TWM472346U - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector for transmitting high frequency signals.

With the development of society, higher-speed signal transmission has become a trend, and electrical connectors for transmitting higher-rate signals are also under development. However, there are some problems such as signal interference during the transmission of the electrical signal, which will affect the high frequency performance of the electrical connector.

Therefore, it is necessary to design an improved electrical connector to solve the above problems.

The purpose of the present invention is to provide an electrical connector that is advantageous for improving high frequency performance.

The object of the present invention is achieved by the following technical solutions: an electrical connector comprising an insulative housing, a first terminal set fixed to the insulative housing, and a shielding member, the insulative housing comprising a base and a tongue extending forwardly. The tongue plate has opposite first and second surfaces, the first terminal set is exposed to the first surface, the shielding member is disposed on the tongue and located between the first surface and the second surface, the first terminal The group includes a grounding terminal provided with a contact portion that protrudes toward the shielding member and contacts the shielding member.

Compared with the prior art, the ground terminal of the first terminal group of the present invention is provided with an orientation The shielding member protrudes and contacts the contact portion of the shielding member, so that the grounding terminal and the shielding member can be electrically connected, thereby reducing signal interference between the signal terminals, thereby improving the high frequency performance of the electrical connector.

100‧‧‧Electrical connector

1‧‧‧Insulating body

11‧‧‧ base

110‧‧‧ front end

12‧‧ ‧ tongue

121‧‧‧ first surface

122‧‧‧ second surface

123‧‧‧Connecting slot

13‧‧‧ docking board

14‧‧‧Assembled frame

2‧‧‧First terminal group

20‧‧‧First terminal

21‧‧‧ Grounding terminal

211‧‧‧Contacts

212‧‧‧Docking Department

213‧‧‧Limited

22‧‧‧First insulator

221‧‧‧blocking

222‧‧‧Matement Department

23‧‧‧Differential signal terminal

3‧‧‧Second terminal group

31‧‧‧second terminal

32‧‧‧Second insulator

321‧‧‧Detention Department

4‧‧‧Shields

41‧‧‧ Main body

410‧‧‧Let the slot

5‧‧‧Metal housing

The first figure is a perspective view of the novel electrical connector; the second figure is a partially exploded view of the metal housing of the electrical connector separated from the insulating body; the third figure is the electrical connector of the first figure Partial exploded view; the fourth figure is a partial exploded view of the first terminal set, the second terminal set, the butt plate and the shield of the electrical connector shown in the third figure; the fifth figure is along the VV shown in the first figure. A cross-sectional view of the line; and a sixth view is a perspective view of the first terminal of the novel electrical connector mating with the shield.

The specific embodiment of the novel electrical connector will be described in detail below with reference to the drawings.

Referring to the first to third and fifth figures, the electrical connector 100 includes an insulative housing 1 , a first terminal set 2 and a second terminal set 3 held by the insulative housing 1 , and is disposed on the insulative housing 1 . The shielding member 4 and the metal casing 5 disposed outside the insulating body 1. The insulative housing 1 includes a base portion 11 and a tongue plate 12 extending forwardly. The tongue plate 12 has opposite first and second surfaces 121 and 122. The first terminal group 2 is exposed to the first surface 121, and the second terminal group 3 is exposed. On the second surface 122, the shielding member 4 is disposed on the tongue plate and located between the first surface 121 and the second surface 122 The first terminal group 2 includes a ground terminal 21 provided with a contact portion 211 protruding toward the shielding member 4 and contacting the shielding member 4. The specific structure of the electrical connector 100 will be further described below.

Referring to the third to sixth figures, the electrical connector 100 further includes a docking plate 13 and an assembly frame 14. The first terminal group 2 includes a first terminal 20 and a first insulator 22 that holds the first terminal 20 . The first insulator 22 is provided with a blocking portion 221 and a matching portion 222 protruding from both sides of the blocking portion 221 . The first terminal 20 is integrally formed on the first insulator 22 and includes the grounding terminal 21 and the plurality of pairs of differential signal terminals 23, wherein the two pairs of differential signal terminals 23 are adjacently disposed, and the grounding terminal 21 is located in the two adjacent pairs. Between the differential signal terminals 23. The contact portion 211 is formed by the ground terminal 21 being bent toward the shield 4, and the contact between the contact portion 211 and the shield 4 can be made reliable. The first terminal group 2 is arranged in the longitudinal direction of the first surface 121 of the tongue plate 12, the front end of the grounding terminal 21 forms a free end, and the abutting portion 212 of the grounding terminal 21 is formed between the contact portion 211 and the free end, and the contact portion 211 is The width in the longitudinal direction is the same as the width of the abutting portion 212 of the ground terminal 21 in the longitudinal direction. The free end of the ground terminal 21 forms a limiting portion 213. The abutting portion 212 is located in front of the contact portion 211, and the grounding terminal 21 further has a solder tail extending behind the contact portion 211 and extending out of the insulative housing 1.

The second terminal group 3 includes a second terminal 31 and a second insulator 32 holding the second terminal 31. The two sides of the second insulator 32 extend upwardly with a fastening portion 321 . The shielding member 4 includes a main body portion 41 and a welded portion extending downward from the rear end of the main body portion 41. The shielding member 4 is integrally formed on the butting plate 13. The first terminal group 2 is assembled to the butting plate 13 opposite to the second terminal group 3, and then assembled to the assembly frame 14 together with the butting plate 13 to form the insulating body 1. The front end of the docking plate 13 passes through the assembly frame 14 and Located in front of the assembly frame 14 to form the tongue plate 12, the second terminal group 3 is exposed to the second surface 122 of the tongue plate 12, and the contact portion 211 of the ground terminal 21 is located in the base portion 11 of the insulative housing 1 without protruding The front end face 110 of the base 11 is extended. The second insulator 32 is fastened to the mating plate 13 by the two sides of the mating plate 13 . The blocking portion 221 of the first insulator 2 is located behind the mating plate 13 and is fastened by the engaging portion 222 for assembly. Block 14 is positioned to position the first insulator 22. The metal casing 5 is assembled to the outside of the insulative housing 1.

The main body portion 41 of the shielding member 4 is disposed between the first surface 121 and the second surface 122. The insulating body 1 is provided with a communication groove 123 in the base portion 11. The contact portion 211 passes through the communication groove 123 and shields The body portion 41 of the member 4 is in contact. The limiting portion 213 of the grounding terminal 21 is fastened to the front end of the tongue plate 12 to prevent the front end of the grounding terminal 21 from being upturned. The front end of the main body portion 41 is provided with a receiving groove 410 corresponding to the limiting portion 213. The limiting portion 213 can be prevented from contacting the shielding member 4, thereby preventing the electrical connector from being short-circuited. In the electrical connector 100 of the present invention, the contact portion 211 is disposed on the grounding terminal 21 to contact the shielding member 4, so that the main body portion 41 of the shielding member 4 has a complete planar shape and a large planar area, and the grounding terminal 21 is in contact with the shielding member 4. In order to achieve electrical connection, signal interference between the differential signal terminals 23 in the first terminal group 2 can be reduced, and at the same time, the first terminal 20 of the first terminal group 2 and the second terminal 31 of the second terminal group 3 can be reduced. The signal interference between the two is beneficial to the high frequency signal transmission between the electrical connector 100 and the external device, thereby facilitating the improvement of the high frequency performance of the electrical connector 100.

The technical content and technical features of the present invention have been disclosed above, and those skilled in the art can still make various substitutions and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this new model should not be limited to real The disclosure of the present invention, including various alternatives and modifications, without departing from the invention, is covered by the appended claims.

110‧‧‧ front end

121‧‧‧ first surface

122‧‧‧ second surface

123‧‧‧Connecting slot

13‧‧‧ docking board

2‧‧‧First terminal group

21‧‧‧ Grounding terminal

211‧‧‧Contacts

212‧‧‧Docking Department

213‧‧‧Limited

221‧‧‧blocking

3‧‧‧Second terminal group

41‧‧‧ Main body

Claims (10)

An electrical connector includes an insulative housing, a first terminal set retained on the insulative housing, and a shield, the insulative housing including a base and a forwardly extending tongue, the tongue having a first surface and a first oppositely disposed a second surface, the first terminal group is exposed to the first surface, the shielding member is disposed on the tongue plate and located between the first surface and the second surface, wherein the first terminal group comprises a grounding terminal, and the grounding terminal is disposed There is a contact portion that protrudes toward the shielding member and contacts the shielding member. The electrical connector of claim 1, wherein the contact portion is formed by bending the grounding terminal toward the shielding member, the insulating body is provided with a communication slot, and the contact portion passes through the The communication groove is in contact with the shield. The electrical connector of claim 1, wherein the first terminal group is arranged in a longitudinal direction on a first surface of the tongue plate, and a front end of the ground terminal forms a free end, the contact An abutting portion of the grounding terminal is formed between the portion and the free end, and the width of the contact portion in the longitudinal direction is the same as the width of the abutting portion of the grounding terminal in the longitudinal direction. The electrical connector of claim 1, wherein the contact portion of the ground terminal is located in a base portion of the insulative housing and does not protrude from a front end surface of the base portion. The electrical connector according to any one of claims 1 to 4, wherein the shielding member comprises a flat body portion and a welded portion extending from the insulating body, the body portion being disposed on the tongue plate And located between the first surface and the second surface, the contact portion is in contact with the body portion of the shield. The electrical connector of claim 5, wherein the free end of the grounding terminal forms a limiting portion for holding the tongue plate, and the front end of the main body portion is provided with a corresponding limiting portion Bit slot. The electrical connector of claim 6, wherein the electrical connector further comprises a docking plate, a second terminal set and an assembly frame, the first terminal set and the second terminal set being oppositely assembled to be docked The board is further assembled to the assembly frame along with the mating board to form the insulative housing. The front end of the mating board passes through the assembly frame and is located in front of the assembly frame to form the tongue plate, and the second terminal set is exposed to the tongue plate. The second surface. The electrical connector of claim 7, wherein the first terminal set includes a first terminal and a first insulator holding the first terminal, and the first insulator is disposed at a rear of the docking plate a blocking portion and a fitting portion protruding from both sides of the blocking portion, the engaging portion being fastened to the assembly frame to position the first insulator. The electrical connector of claim 8, wherein the second terminal set includes a second terminal and a second insulator holding the second terminal, and the second insulator is provided with the butt joint The holding part of the board. The electrical connector of claim 1, wherein the grounding terminal comprises an abutting portion located in front of the contact portion and a solder tail extending behind the contact portion and extending out of the insulating body, the first The terminal group further includes two pairs of differential signal terminals, the two pairs of differential signal terminals are disposed adjacent to each other, and the ground terminals are located between two pairs of differential signal terminals disposed adjacent to each other.