TWM474279U - Electrical connector - Google Patents

Abstract

An electrical connector comprises an insulative housing, a plurality of contacts received in the insulative housing and a metal shell enclosing the insulative housing. The shell includes a top wall, a bottom wall, a left wall, a right wall and a rear wall covering a rear of the insulative housing. The rear wall has at least a mounting tail extending downwardly therefrom. The left and right walls each have a retaining tail extending downwardly. As a result, the mounting tails and the retaining tails all extending downwardly and vertical. When the insulative housing is not assembled into the shell, the mounting tails and retaining tails are put into the gold plated poll at a same time. The electrical connector would be manufactured easily.

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector having a metal outer casing.

As a standard input/output interface, the Universal Serial Bus (USB) interface has been widely used in many electronic devices. In 1994, seven world-renowned computer and communication companies, including Intel, Compaq, Digital, IBM, Microsoft, NEC, and Northern Telecom, jointly established the USB Association (USB-IF) to initially establish a USB interface specification. So far, the USB Association has released versions 1.0, 1.1 and 2.0.

The above USB 1.0, 1.1, and 2.0 versions support the following three transmission rates: (1), low-speed mode transmission rate of 1.5 megabits per second, mostly for keyboards and mice; (2), full-speed mode transmission rate of 12 megabits (3), high-speed mode transmission rate is 480 megabits per second.

However, even with USB 2.0, the transfer rate is no longer sufficient. At the end of 2008, the USB Association released the 3.0 standard USB standard, and the USB 3.0 transfer rate can reach 5Gbps.

With the further development of the electronics industry, consumers now have a higher demand for large-capacity data transfer rates, and need to further increase the transfer rate based on the USB 3.0 standard, and the electrical connectors in the new specifications can also be compatible with previous USB devices ( Also known as: backward compatibility).

An electrical connector disclosed in Taiwan Patent No. M306726, published on Feb. 21, 2007, which includes an insulative body, a plurality of conductive terminals disposed on the insulative body, and a cover a shielding shell outside the insulating body. The insulative housing includes a main body portion, a tongue plate extending forward from the main body portion, and a positioning seat mounted on the rear end of the main body portion. The conductive terminal includes a holding portion that is retained on the main body portion, and extends from the holding portion to the tongue plate. The contact portion and the rear end of the self-retaining portion extend vertically downwardly from the extending portion of the positioning seat and the extending portion of the positioning seat downwardly extending from the extending portion, the shielding housing including the top wall and the top portion a cover wall opposite to the bottom wall, connecting the two side walls of the top wall and the bottom wall, and extending downward from the rear end of the top wall, and a cover space surrounded by the top wall, the bottom wall and the two side walls, the shielding shell The front end of the side wall is provided with a holding leg extending vertically downward, and the rear cover is provided with mounting legs extending vertically downwards for connecting with the circuit board to form a ground loop. The back cover is located on the same horizontal plane as the top wall of the shielding shell when the insulating body is not installed, that is, the mounting leg and the top wall are on the same horizontal plane, and the insulating body is installed in the receiving space from the back to the front. After the inner cover, the rear cover is bent downward to cover the rear end of the positioning base of the insulative housing. When the transmission rate of the connector is the same as the USB 3.0 signal transmission rate, a crosstalk signal is generated between the terminals through the mounting foot. Export, so as not to affect the transmission rate of the connector or cause signal interference between the terminals. However, when the transmission rate of the connector is increased to twice the transmission rate of the USB 3.0 signal, a large amount of crosstalk signals generated by the conductive terminals are accumulated in the gap between the back cover and the positioning seat, generating a large amount of radiation, and the holding legs are mounted. The foot cannot be grounded in time to affect the transmission rate of the electrical connector. In order to improve the grounding effect of the holding leg and the mounting foot, the outer casing of the connector needs to be nickel-plated before the holding leg and the mounting foot. Gold plating treatment, when the holding foot is gold-plated, the shielding shell of the connector is placed vertically into the gold-plated pool, and then the connector is vertically turned over when the mounting foot is gold-plated, so that the mounting feet are vertical Down into the gold-plated pool, it is impossible to simultaneously plate the holding feet and the mounting feet, which complicates the manufacturing process.

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

The purpose of this creation is to provide an electrical connector that is easy to manufacture.

In order to achieve the above object, the present invention includes: an insulative housing; a conductive terminal that is retained in the insulating body; and a shielding housing that is wrapped around the insulating body, the shielding housing including a top wall and a bottom wall a left and right side wall connecting the top wall and the bottom wall, and an end wall for covering the rear end of the insulating body, the rear end wall being provided with two mounting legs extending vertically downward, the rear end wall being from the left One of the right side walls is bent and extended to the other side.

Compared with the prior art, before the assembly of the shielding shell of the present electrical connector to the insulative housing, the holding leg and the mounting leg extend vertically downward, and the electroplating can be performed simultaneously, which simplifies the manufacturing process and improves the production efficiency.

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

The second figure is another perspective view of the present electrical connector.

The third figure is a perspective view of the present electrical connector.

The fourth figure is an exploded perspective view of the present electrical connector.

The fifth figure is an exploded perspective view of another perspective of the present electrical connector.

The sixth figure is a perspective exploded view of another perspective of the present electrical connector.

Referring to the first to fourth figures, the present electrical connector 100 is a socket connector that can be soldered to the circuit board 200 and is provided with a USB 2.0 A type mating plug (not shown) and a USB 3.0 type A mating plug. The connector (not shown) includes an insulative housing 1 , a positioning seat 2 mounted on the insulative housing 2 , a plurality of conductive terminals 3 disposed on the insulative housing 1 , and a shielding housing 4 covering the insulative housing 1 .

As shown in the third to sixth figures, the insulative housing 1 includes a main body portion 11 and a tongue plate 12 extending horizontally forward from the main body portion 11. The main body portion 11 has a substantially rectangular parallelepiped shape, and includes a front end surface 1101 of the connecting tongue 12, a rear end surface 1102 opposite to the front end surface 1101, two side end surfaces 1103 between the front end surface 1101 and the rear end surface 1102, and a bottom portion of the main body portion 11. The bottom end face 1104. The main body portion 11 is recessed from the bottom end surface 1104 with a recessed groove 111. The recessed groove 111 extends through the front end surface 1101 and the rear end surface 1102. The recessed groove 111 is provided with a top surface extending downwardly from the top surface into the recessed groove. One of the pair 111 holds the post 1112. The main body portion 11 is provided with a mounting space 112 recessed from the rear and the front, and a plurality of retaining grooves 113 extending through the main body portion 11 and communicating with the mounting space 112. The tongue plate 12 is flat and includes an upper surface 121. And the opposite surface 122. The lower surface 122 is recessed with four elongated first terminal slots 1221 and five rectangular second terminal slots 1222 located in front of the first terminal slot 1221, the first terminal slot 1221 and the main body portion. The holding groove 113 of the 111 is penetrated back and forth.

Referring to the third to sixth figures, the positioning base 2 includes a base portion 21 for receiving in the installation space 112 of the main body portion 11 and a support portion 22 extending forward from the bottom end of the base portion 21. A plurality of first terminal receiving grooves 211 are formed at the rear end of the supporting portion 22 , and a pair of through holes 212 are vertically penetrated in front of the first terminal receiving groove 211 . The base portion 21 is provided with a plurality of second terminal receiving grooves 214 extending through the upper and lower ends. The front end surface of the base portion 21 is provided with a plurality of protruding ribs 215 protruding forwardly, and the first terminal receiving groove 211 and the protruding rib 215 The front and rear correspond to each other. The supporting portion 22 is received in the recessed groove 111 of the main body portion 11 and extends forwardly from the recessed groove 111. The holding post 1112 of the main body portion 11 is received in the through hole 212 of the supporting portion 22 . .

Referring to the third to sixth figures, the conductive terminal 3 includes four first terminals 31 arranged side by side and five second terminals 32 arranged side by side and embedded in the insulative housing 1. The first terminal 31 is a power terminal, a negative signal terminal (D-), a positive signal terminal (D+), and a ground terminal (GND) from left to right, and each of the first terminals 31 is supported by the main body. The first retaining portion 313 in the retaining groove 113 of the portion 11 extends forwardly from the first retaining portion 313 into the first extending portion 312 of the first terminal slot 1221 of the tongue plate 12, from the front end of the first extending portion 312 a protrusion-shaped first contact portion 311 extending from the front and extending downward from the rear end of the first holding portion 313 and extending downward from the first holding portion 314 The first welded portion 315. The first holding portion 314 is received in the first terminal receiving groove 211 of the positioning base 2, and the first welding portion 315 extends downwardly from the positioning seat 2, and the rib of the positioning seat 2 The 215 is forwardly abutted against the first latching portion 314 of the first terminal 31. The width of the first soldering portion 315 in the left-right direction is narrower than the width of the first latching portion 314 in the left-right direction. The vertical center lines of the first soldering portion 315 of the signal terminal (D-) and the positive signal terminal (D+) are respectively offset to the outside.

The second terminal 32 includes two pairs of differential signal terminals S1 and S2 and a ground terminal G between the two pairs of differential signal terminals S1 and S2. The two pairs of differential signal terminals S1 and S2 are used for transmitting high-speed signals. Each of the second terminals 32 includes a second retaining portion (not shown) embedded in the main body portion 11 and a second extending portion extending forward from the second retaining portion into the tongue plate 12 (not shown) a second-shaped second contact portion 321 extending from the second extending portion into the second terminal slot 1222 of the tongue plate 12, and vertically extending from the rear end of the second holding portion to the positioning seat 2 The second holding portion 324 in the two-terminal receiving groove 214 and the second welding portion 325 extending downward from the second holding portion 324, the second welding portion 325 is wider in the left-right direction. The width of the second holding portion 324 in the left-right direction is narrow, and the vertical center line of the second soldering portion 325 of the differential signal terminal of the ground terminal of the second terminal 32 is closer to each of the pair of differential signal terminals S1 and S2. Deviate to the inside.

The second terminal 32 is located on the outer layer of the first terminal 31 along the extending direction of the tongue 12, that is, the second terminal 32 is wrapped on the outer side of the first terminal 31, and the extension of the first terminal 31 is located in the second The latching portion of the first terminal 31 is located on the lower side of the latching portion of the second terminal 32. The first terminal 31 is used for docking with a USB 2.0 Type A plug, and the second terminal 32 is used together with the first terminal 31 for docking a USB 3.0 Type A plug or a USB 3.0 Type A plug, but the transmission speed is faster. The plug is plugged in.

Referring to the first and fifth figures, the shielding shell 4 includes a top wall 41, a bottom wall 42, and left and right side walls 43, 44 connecting the top wall 41 and the bottom wall 42 and covering the insulating body. After the rear end end wall 45, the top wall 41 and the left and right side walls 43, 44 extend rearward beyond the bottom wall 42, and the top wall 41 and the bottom wall 42 are coextensive with the left and right side walls 43, 44. The above-mentioned plug connector 101 for docking the docking plug is formed. The rear end wall 45 is bent from the rear end of the left side wall 43 to the right side wall 44 and extends to cover the rear end of the insertion port 101. The left and right side walls 43 and 44 extend rearward beyond the rear end of the bottom wall 42. A retaining leg 46 extending downwardly beyond the bottom wall 42 for mounting to the circuit board 200, the rear end wall 45 being disposed away from the right side edge of the left side wall 43 and bent forwardly against the outside of the right side wall 44 a mounting portion 452, the top end of the rear end wall 45 is provided with a pressing portion 453 extending vertically forward against the top wall 41, the top wall 41, the bottom wall 42 and the left and right side walls 43, 44 Each of the plurality of elastic pieces 47 projecting into the insertion interface 101 is further provided, and the top wall 41 is further provided with a pressing arm 48 between the pair of elastic pieces 47 and opposite to the extending direction of the elastic piece 47. The elastic piece 47 on the top wall 41 and the bottom wall 42 is provided with a protruding strip 471 extending to the insertion interface 101. The first and second contact portions 311 and 321 of the conductive terminal 3 are exposed to the Plug in the interface 101. The rear end wall 45 is provided with a pair of mounting legs 451 extending vertically downwardly for soldering to the circuit board 200 for achieving a grounding function. The pair of mounting legs 451 are vertically centered along the rear end wall 45. Symmetrically, the mounting leg 451 is located directly behind the pair of differential signal terminals of the second terminal 32 in the front-rear direction, and one of the mounting pins 451 and the differential signal terminal pair S1 and S2 is adjacent to the ground terminal G. Aligning in the front-rear direction makes the distance between the differential signal terminal pair S1 and S2 to the mounting leg 451 the shortest, and the radiation and crosstalk signals generated by the high-speed transmission of the differential signal terminal can be led out through the mounting leg 451 in time. Before the insulative housing 1 is installed in the shielding housing 4, the rear end wall 45 and the left side wall 43 are in the same vertical plane, and the holding leg 46 and the mounting leg 451 are located at the bottom. Below the wall 42, the shielding shell 4 is entirely immersed in the nickel plating bath, so that the shielding shell 4 is entirely nickel-plated to enhance the overall masking effect of the shielding shell 4, and then the shielding shell 4 is vertical. Put it into the gold-plated pool, and hold the holding leg 46 and the mounting leg 451 at the same time to enhance the conductivity of the holding leg 46 and the mounting leg 451, and then install the assembled insulating body 1 into the plug connector 101 of the shielding case 4, and finally The rear end wall 45 is vertically bent in the direction of the right side wall 44 to cover the rear end of the insulative housing 1.

The rear end wall 45 of the shielding case 4 of the present invention is extended from the left side wall 43 to the right side wall 44. When the insulating body 1 is not loaded into the shielding case 4, the holding leg 46 and the mounting leg 451 are The holding leg 46 and the mounting leg 451 both extend vertically downwards. In this way, the holding leg 46 and the mounting leg 451 can be placed in the gold plating bath at the same time, thereby simplifying the manufacturing process and improving the production efficiency.

In summary, this creation has indeed met the requirements of the new patent, and filed a patent application in accordance with the law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereby. Equivalent modifications or variations made by those of ordinary skill in the art in the spirit of the present invention are still covered by the appended claims.

100‧‧‧Electrical connector

1‧‧‧Insulating body

101‧‧‧ Plug interface

11‧‧‧ Main body

1101‧‧‧ front end

1102‧‧‧ rear end face

1103‧‧‧ side end face

1104‧‧‧ bottom end

111‧‧‧Recessed trough

1112‧‧‧Card column

112‧‧‧Installation space

113‧‧‧ holding slot

12‧‧ ‧ tongue

121‧‧‧ upper surface

122‧‧‧ lower surface

1221‧‧‧First terminal slot

1222‧‧‧Second terminal slot

2‧‧‧ Positioning Block

21‧‧‧ base

211‧‧‧First terminal receiving slot

212‧‧‧through hole

214‧‧‧Second terminal receiving slot

215‧‧‧ ribs

22‧‧‧Support

3‧‧‧Electrical terminals

31‧‧‧First terminal

311‧‧‧First contact

312‧‧‧First Extension

313‧‧‧First Holding Department

314‧‧‧First Card Holder

315‧‧‧First Welding Department

32‧‧‧second terminal

321‧‧‧Second contact

324‧‧‧Second Card Holder

325‧‧‧Second welding department

4‧‧‧Shaded housing

41‧‧‧ top wall

42‧‧‧ bottom wall

Left 43‧‧ side wall

44‧‧‧ right wall

45‧‧‧ rear end wall

451‧‧‧Installation feet

452‧‧‧Installation Department

453‧‧‧Resistance Department

46‧‧‧holding feet

47‧‧‧Shrap

471‧‧ ‧ ribs

48‧‧‧Resisting arm

200‧‧‧ boards

S1, S2‧‧‧Differential signal terminals

G‧‧‧ Grounding terminal

100‧‧‧Electrical connector

1‧‧‧Insulating body

1104‧‧‧ bottom end

111‧‧‧ Main body

1112‧‧‧Card column

113‧‧‧ holding slot

122‧‧‧ lower surface

1221‧‧‧First terminal slot

1222‧‧‧Second terminal slot

2‧‧‧ Positioning Block

21‧‧‧ base

211‧‧‧First terminal receiving slot

212‧‧‧through hole

214‧‧‧Second terminal receiving slot

22‧‧‧Support

31‧‧‧First terminal

311‧‧‧First contact

312‧‧‧First Extension

313‧‧‧First Holding Department

314‧‧‧First Card Holder

315‧‧‧First Welding Department

321‧‧‧Second contact

325‧‧‧Second welding department

4‧‧‧Shaded housing

41‧‧‧ top wall

42‧‧‧ bottom wall

43‧‧‧ left wall

44‧‧‧ right wall

45‧‧‧ rear end wall

451‧‧‧Installation feet

452‧‧‧Installation Department

46‧‧‧holding feet

Claims (10)

An electrical connector comprising:
Insulating body
The conductive terminal is fixed in the insulating body; and the shielding shell is covered on the outside of the insulating body, the shielding shell includes a top wall, a bottom wall, left and right side walls connecting the top wall and the bottom wall, and is used for wrapping The rear end wall of the rear end of the insulating body is covered, and the rear end wall is provided with two mounting legs extending vertically downward, and the rear end wall is bent from one of the left and right side walls to extend to the other. The electrical connector of claim 1, wherein the mounting feet are gold plated. The electrical connector of claim 1, wherein the left and right side walls are provided with holding legs extending downward beyond the bottom wall, and the holding legs are surface-plated. The electrical connector of claim 3, wherein the top wall and the left and right side walls extend rearward beyond the bottom wall, and the holding legs extend rearward from the left and right side walls beyond the bottom wall portion Extendingly, the shielding shell is entirely nickel plated. The electrical connector of claim 2, wherein the pair of mounting feet are symmetrically disposed along a vertical centerline of the rear end wall of the shielding housing. The electrical connector of claim 5, wherein the conductive terminal comprises two pairs of differential signal terminals and a ground terminal between the two pairs of differential signal terminals, the mounting feet being located after the pair of differential signal terminals The two differential signal terminals of the two pairs of differential signal terminal pairs adjacent to the ground terminal are respectively aligned with the two mounting legs in the front-rear direction. The electrical connector of claim 1, wherein the conductive terminal comprises a plurality of first and second terminals, and the first terminal comprises a power terminal, a negative signal terminal, a positive signal terminal and a ground terminal, and second The terminal includes the two pairs of differential signal terminals and a ground terminal located between the differential signal terminals, the first terminal is a USB 2.0 A type socket connector terminal for connecting the USB 2.0 A type butt plug, the first and second terminals Together form a USB 3.0 Type A receptacle connector terminal for connection to a USB 3.0 Type A mating plug. The electrical connector of claim 7, comprising: a positioning seat mounted on the insulative housing, the positioning base comprising a base and a support extending forward from the bottom end of the base, the first terminal comprising a first holding portion of the insulating body and a first holding portion vertically extending from the first holding portion and supported by the support portion of the positioning seat, the front end surface of the base portion is forwardly abutted against the first portion a plurality of ribs on the holding portion. The electrical connector of claim 8, wherein the insulative housing comprises a main body portion and a tongue plate extending forward from the main body portion, the bottom end of the main body portion is provided with an upward recess extending and extending through the main body a recessed groove, wherein the recessed groove is provided with a pair of latching grooves extending from the top surface to the recessed slot, and the support portion of the positioning seat is partially received in the recessed slot and extends forwardly from the recessed slot The support portion is provided with a through hole that cooperates with the holding post. The electrical connector of claim 7, wherein the first terminal is mounted to the insulative housing from the rear to the front, and the second terminal is integrally formed with the insulative housing.