TWI578643B - Electrical connector and assembly thereof - Google Patents

Description

Electrical connector and combination thereof

The present invention relates to an electrical connector and combinations thereof, and more particularly to an electrical connector having a good anti-EMI effect and combinations thereof.

With the development of technology, electrical connectors for transmitting high-frequency signals and having anti-EMI effects have become very popular. One of the electrical connectors includes a casing formed of a plastic material and two terminal modules disposed in the casing. And mask sheets. The housing is directly injection molded on the terminal module to form an abutting portion, and the abutting portion has opposite abutting faces, and each of the terminal modules includes a conductive terminal whose contact portion is exposed to the mating surface and an insulating block that is formed on the conductive terminal. The mask sheet is disposed between the two terminal modules and is spaced apart by the insulating block without contacting the conductive terminals, so that the arrangement of the mask sheet effectively prevents electromagnetic interference of the conductive terminals. However, with the development of high-frequency transmission, signal interference between terminals has become increasingly serious.

Therefore, it is indeed necessary to provide an improved electrical connector to overcome the above drawbacks.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide an electrical connector that is structurally stable and has a good electromagnetic shielding effect.

The object of the present invention is achieved by the following technical solution: an electrical connector includes an insulative housing, the insulative housing includes opposite upper and lower sidewalls, and end walls connecting the ends of the upper and lower sidewalls. Said upper and lower side walls and both end walls a terminal assembly is formed in the insulating body, the terminal assembly is disposed up and down and received in the upper and lower sidewalls; and a shielding shell covers the insulating body; The terminal assembly includes a signal terminal group and a ground terminal group, and the ground terminal group includes a first contact portion and a second contact portion that protrude into the mating cavity and are arranged in front and rear.

The object of the present invention is achieved by the following technical solution 2: an electrical connector assembly comprising a socket connector, the socket connector comprising an insulative housing, a terminal assembly disposed in the insulative housing, and a covering of the insulative housing The shielding body includes an upper side wall, a lower side wall, and two end walls connecting the two ends of the upper and lower side walls. The upper and lower side walls and the two end walls are collectively formed to form a docking cavity, and the terminal The component is disposed above and received in the upper and lower sidewalls; and a plug connector is mated with the socket connector, the plug connector is provided with a mating tongue that cooperates with the docking cavity, and the docking tongue includes a mating surface of the upper and lower butt joints, a mating terminal partially exposed on the upper and lower mating surfaces, and a masking member disposed on a rear side of the exposed portion of the mating terminal; wherein the terminal assembly includes a signal terminal group and a ground terminal group, and the ground terminal group includes a first contact portion and a second contact portion projecting into the mating cavity and arranged in front and rear, the second contact portion when the plug connector is mated with the socket connector The shroud member is electrically connected to the plug connector.

Compared with the prior art, the present invention has the following effects: the grounding terminal of the electrical connector of the present invention is provided with a second contact portion, and when the docking connector is docked, the second contact portion contacts the masking member or the shell of the mating connector The body can enhance the signal masking effect on the electrical connector.

100‧‧‧Electrical connector

1‧‧‧Insulating body

11‧‧‧ upper side wall

12‧‧‧lower side wall

13‧‧‧ both ends

14‧‧‧back side wall

101‧‧‧ docking chamber

2‧‧‧Metal housing

3‧‧‧Terminal components

30‧‧‧Electrical terminals

31‧‧‧First Terminal Module

32‧‧‧Second terminal module

33‧‧‧ Third module

301‧‧‧First grounding terminal

302‧‧‧Second ground terminal

303‧‧‧Differential signal terminal

304‧‧‧Connecting Department

310‧‧‧First insulation block

320‧‧‧Second insulation block

331‧‧‧ Third insulating block

332‧‧‧Shields

333‧‧‧ Grounding piece

3010‧‧‧First contact

3020‧‧‧Second contact

3030‧‧‧ Third contact

3101‧‧‧First mating department

3201‧‧‧Second mating

3320‧‧‧Horizontal shelter

3325‧‧‧ soldering piece

3330‧‧‧ Main body

3331‧‧‧Welding Department

3332‧‧‧Connecting arm

4‧‧‧ mask piece

200‧‧‧Dock connector

201‧‧‧ docking terminal

202‧‧‧Mask pieces

210‧‧‧Connecting tongue

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

The second figure is a partially exploded view of the electrical connector shown in the first figure.

The third figure is a partially exploded view of the other angle of the electrical connector shown in the first figure.

The fourth figure is a partially exploded view of the terminal assembly of the electrical connector shown in the second figure.

The fifth figure is an exploded view of the third module of the terminal assembly shown in the fourth figure.

Figure 6 is a perspective view of the mating connector of the electrical connector shown in the first figure.

Figure 7 is a cross-sectional view of the electrical connector of the present invention and its docking electrical connector.

Referring to the first to third embodiments, an embodiment of the present invention discloses an electrical connector 100 for mounting on a casing of an electronic device and including an insulative housing 1. The metal case 2 covered on the outer side of the insulative housing 1 and the terminal assembly 3 assembled to the insulative housing 1. The insulative housing 1 includes an upper side wall 11 , a lower side wall 12 , and two end walls 13 connected to both ends of the upper and lower side walls, and the upper side wall 11 , the lower side wall 12 , and the two end walls 13 are formed together for forming The docking cavity 101 to which the connector is docked.

Please refer to the fourth to sixth figures. In the embodiment, the terminal assembly 3 is assembled on the rear sidewall 14 of the insulative housing 1 and includes a first terminal module 31 and a second terminal disposed separately from each other. The module 32 and the third module 33 are located between the first and second terminal modules. The first terminal module 31 includes a row of conductive terminals 30 and a first insulating block 310 that is injection molded on the conductive terminals 30. The second terminal module 32 includes a row of conductive terminals 30 and a second injection molded on the conductive terminals 30. The insulating block 320 is insulated to better secure the conductive terminals 30 together. The first insulating block 310 and the second insulating block 320 are further provided with first mating portions 3101 and second mating portions 3201, and the first terminal module 31 and the second terminal module 32 passes through the first mating portion 3101 and The mutual engagement of the second mating portions 3201 clamps the third module 33.

Functionally, the terminal assembly 3 can be divided into a signal terminal group and a ground terminal group, and the signal terminal group and the ground terminal group each include a plurality of differential signal terminals 303 and a plurality of ground terminals, and the differential signal terminals 303 and The ground terminals are spaced apart. In this embodiment, the ground terminal includes a first ground terminal 301 along with the differential signal terminal 303 and a second ground disposed above the first ground terminal 301 and extending to the front of the first ground terminal 301. Terminal 302. Each of the first and second grounding terminals 301 and 302 includes a main body portion and a first contact portion 3010 and a second contact portion 3020 extending from the main body portion and protruding into the mating cavity 101. The two contact portions 3020 are located at the front end of the first contact portion 3010. The differential signal terminal 303 also includes a main body portion and a third contact portion 3030 extending from the main body portion and protruding into the mating cavity 101. The height of the first contact portion 3010 protruding into the docking cavity 101 The height of the third contact portion 3020 protruding into the docking cavity 101 is greater than the height of the second contact portion 3020 protruding into the docking cavity 101 and the first contact portion 3010 protruding into the docking cavity 101. Highly consistent. The upper and lower side walls 11 and 12 are provided with a plurality of receiving slots for receiving the terminal assembly 3. Preferably, in the embodiment, the first grounding terminal 301 and the second grounding terminal 302 are received in the same receiving slot.

It should be noted that in other embodiments, the grounding terminal may be different from the foregoing technical solution of dividing the grounding terminal into the first and second grounding terminals, and the grounding terminal may further extend and protrude on the single body portion. The first and second contact portions in the mating cavity 101 are completed to complete the above technical solution.

Referring to the fourth to fifth embodiments, the third module 33 includes a third insulating block 331 , a shielding member 332 holding the third insulating block 331 , and two groundings assembled on the outer sides of the third insulating block 331 . Sheet 333. The two grounding pieces 333 include a vertically long body portion 3330 A plurality of connecting arms 3332 extending forward from the main body portion 3330 and a welded portion 3331 extending and extending on both sides of the main body portion 3330. The main body portion 3330 is attached to both outer sides of the third insulating block 331, and the soldering portion 3331 is soldered to the horizontal shielding portion 3320 of the shielding member 332 by soldering or spot welding to fix the grounding piece 333, and the number The connecting arm 3332 is configured to overlap the main body portion of the first grounding terminal 301 to form a complete grounding terminal, that is, the main body portion of the first grounding terminal 301 is further electrically connected to the shielding member 332 through the grounding piece 333 connection.

The rear sides of the main body portions of the two rows of second ground terminals 302 of the electrical connector 100 are respectively connected to each other, and two connecting portions 304 are formed, and the two connecting portions 304 are respectively attached to the outer surfaces of the upper sidewall 11 and the lower sidewall 12. . After the electrical connector 100 is assembled, the two connecting portions 304 are further connected to the metal casing 2; the electrical connector 100 is further provided with a masking piece 4, which is assembled on the insulating body 1 and the metal. The rear end of the casing 2, and the mask sheet 4 is in contact with the metal casing 2 and the welding piece 3325 of the shield member 332, thereby forming a better masking effect.

The grounding terminal of the electrical connector of the present invention is provided with a second contact portion. When the docking connector is docked with the mating connector, the second contact portion contacts the masking member or the housing of the mating connector, thereby eliminating static electricity and further improving the electric power. The electrical performance of the connector 100, while the second ground terminal is disposed between the differential signal terminals, can enhance the signal masking effect on the electrical connector.

Referring to the sixth to seventh embodiments, the present invention also discloses a mating connector 200 that is inserted into the electrical connector 100. The docking connector 200 is provided with a mating tongue 210 that cooperates with the mating cavity 101. The mating tongue 210 includes a top and bottom abutting surface, a mating terminal 201 partially exposed to the upper and lower mating surfaces, and a mask member 202 disposed on the rear side of the bare portion of the mating terminal 201. When the electrical connector 100 and the docking connector 200 When the docking is completed, the first contact portion 3010 and the third contact portion 3030 are electrically connected to the mating terminal 201 of the mating connector 200, and the second contact portion 3020 and the mating connector 200 are covered. The member 202 is electrically connected to enhance the signal masking effect on the electrical connector.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or changes in accordance with the spirit of the present invention. It is covered by the following patent application.

200‧‧‧Dock connector

201‧‧‧ docking terminal

202‧‧‧Mask pieces

100‧‧‧Electrical connector

301‧‧‧First grounding terminal

302‧‧‧Second ground terminal

304‧‧‧Connecting Department

333‧‧‧ Grounding piece

3010‧‧‧First contact

3020‧‧‧Second contact

4‧‧‧ mask piece

Claims (10)

An electrical connector includes: an upper body, a lower side wall, and two end walls connecting the two ends of the upper and lower side walls, wherein the upper and lower side walls and the two end walls are jointly formed to form a pair a terminal assembly is disposed in the insulating body, the terminal assembly is disposed up and down and received in the upper and lower sidewalls; and a shielding shell covers the insulating body; wherein the terminal assembly The signal terminal group and the ground terminal group include a first contact portion and a second contact portion protruding forwardly into the mating cavity, and the second contact portion of the ground terminal group is located at the first contact The front end of the department. The electrical connector of claim 1, wherein the signal terminal group is provided with a third contact portion protruding into the mating cavity, and the first contact portion and the signal terminal group of the ground terminal group The third contact is flush. The electrical connector of claim 2, wherein the signal terminal group and the ground terminal group each include a body portion that is retained in the insulating body and extends from the body portion and protrudes into the pair a height of the first contact portion protruding into the mating cavity is greater than a height of the second contact portion protruding into the mating cavity, and the height of the third contact portion protruding into the mating cavity is The height of the first contact portion protruding into the docking cavity is uniform. The electrical connector of claim 3, wherein the grounding terminal group comprises a plurality of spaced apart grounding terminals, the grounding terminal comprising a first grounding terminal provided with the first contact portion and a mounting base The second grounding terminal of the second contact portion is provided with a plurality of receiving slots for receiving the terminal assembly, and the first and second grounding terminals are collectively received in the same receiving slot. The electrical connector of claim 4, wherein the body portion of the second ground terminal is coupled to the shield housing. The electrical connector of claim 3, wherein the ground terminal group includes a plurality of spaced apart ground terminals, the first contact portion and the second contact portion being from a body portion of the same ground terminal Extending forwardly and projecting into the docking cavity. The electrical connector of any one of the preceding claims, wherein the upper and lower sidewalls of the insulative housing are further provided with a shielding member, and the first contact portion is grounded. The terminal further includes a main body portion and a connecting portion connected to the main body portion, the connecting portion being electrically connected to the shielding member. An electrical connector assembly includes: a socket connector, an insulative housing, a terminal assembly disposed in the insulative housing, and a shielding housing covering the insulative housing, the insulative housing includes opposite upper sidewalls, a lower side wall and two end walls connecting the two ends of the upper and lower side walls, wherein the upper and lower side walls and the two end walls are circumferentially disposed to form a mating cavity, and the terminal assembly is disposed up and down and received in the upper and lower side walls; and the plug The connector is matched with the socket connector, and the plug connector is provided with a mating tongue that cooperates with the mating cavity, and the mating tongue includes an upper and lower abutting surface, a mating terminal partially exposed on the upper and lower mating surfaces, and a mask member on a rear side of the exposed portion of the butt terminal; wherein the terminal assembly includes a signal terminal group and a ground terminal group, the ground terminal group includes a first contact portion protruding into the docking chamber and arranged in front and rear a second contact portion, when the plug connector is mated with the socket connector, the first contact portion is electrically connected to a mating terminal of the plug connector, and the second contact portion The shroud member is electrically connected to the plug connector. The electrical connector assembly of claim 8, wherein the signal terminal set includes a third contact portion protruding into the mating cavity, and the first contact portion and the signal terminal of the ground terminal group The third contact portion of the group is flush, when the plug connector is docked with the socket connector The first contact portion and the third contact portion are electrically connected to the mating terminal of the plug connector. The electrical connector assembly of claim 9, wherein the ground terminal group of the receptacle connector includes a first ground terminal provided with the first contact portion and the second contact is provided The second grounding terminal of the portion is further provided with a main body portion and a connecting portion connected to the main body portion, and the connecting portion is electrically connected to the shielding case.