CN220984889U

CN220984889U - Electric connector

Info

Publication number: CN220984889U
Application number: CN202321636745.8U
Authority: CN
Inventors: 帕特里克·R·卡西亚; 特伦斯·F·李托
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Foxconn Interconnect Technology Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Foxconn Interconnect Technology Ltd
Priority date: 2023-05-04
Filing date: 2023-06-27
Publication date: 2024-05-17
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses an electric connector, which comprises an insulating body and a terminal module, wherein the insulating body comprises an accommodating space and a butt joint groove, the terminal module comprises an upper terminal and a lower terminal, the upper terminal and the lower terminal respectively comprise a contact part, a tail part and a main body part, the tail parts are arranged at intervals with the contact parts, the main body parts are connected with the contact parts and the tail parts, the main body parts of the upper terminal and the lower terminal comprise a first parallel part extending from the rear end of the contact part, a deflection part deviating from the rear end of the first parallel part to a far direction and a second parallel part extending from the tail end of the deflection part, the distance between the first parallel parts of the upper terminal and the lower terminal is larger than or equal to the distance between the contact parts, and the distance between the second parallel parts of the upper terminal and the lower terminal is larger than the distance between the first parallel parts. The electric connector has better electric performance, thereby being beneficial to the transmission of high-speed signals.

Description

Electric connector

[ Field of technology ]

The present utility model relates to an electrical connector, and more particularly, to a high frequency and high speed electrical connector for use in a communication system.

[ Background Art ]

Referring to U.S. patent No. 10651618, which is issued to month 5 and 12 of 2020, an electrical connector is disclosed. The electric connector comprises an insulating body and a terminal module accommodated in the insulating body, wherein the terminal module comprises an upper terminal and a lower terminal which is opposite to the upper terminal to form a matching area, and the upper terminal and the lower terminal are deflected away from each other only once, so that the space of the rear end parts of the upper terminal and the lower terminal is not further enlarged, and therefore, when the transmission speed of the electric connector is further improved, the crosstalk between the upper terminal and the lower terminal becomes serious, the speed improvement obstacle is caused, or when the density of a transmission channel is improved by further increasing the inner upper terminal and the inner lower terminal in the nearby area, the interference or the crosstalk between the inner upper terminal and the inner lower terminal becomes serious, the high-speed transmission performance of the connector after the channel is increased is influenced, and therefore, an improved electric connector is needed to overcome the defects in the prior art.

[ utility model ]

The main object of the present utility model is to provide an electrical connector with improved high-speed transmission performance.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an electric connector, its can cooperate with the butt joint connector, its include the insulator body and accept in terminal module in the insulator body, the insulator body include accept space and with accept the butt joint groove of space intercommunication, butt joint connector accessible the butt joint groove inserts in the accept space with terminal module cooperation, the terminal module includes upper terminal and with the lower terminal that upper terminal set up relatively, upper terminal with lower terminal all include can with butt joint connector complex contact portion, with contact interval setting's afterbody, and connect contact portion with the main part of afterbody, the main part of upper terminal and lower terminal includes from the first parallel portion that extends of contact portion rear end, from the rear end of first parallel portion to the offset portion that keeps away from the direction, and from the second parallel portion that extends of offset portion, the interval between upper terminal and the first parallel portion of lower terminal is greater than or equal to the interval between the contact portion, the interval between the second parallel portion between upper terminal and the lower terminal is greater than the interval between the parallel portion.

Compared with the prior art, the utility model has the advantages that: the upper terminal and the lower terminal of the electric connector are deflected away from each other twice, so that the distance between the upper terminal and the lower terminal is further, the crosstalk during higher-speed transmission can be reduced, or when a terminal lifting transmission channel is further increased between the upper terminal and the lower terminal, and enough space is reserved between the increased terminals and the upper terminal and between the increased terminals so as to realize high-speed transmission.

[ Description of the drawings ]

Fig. 1 is a perspective view of an electrical connector consistent with the present utility model.

Fig. 2 is a perspective view of another view of the electrical connector shown in fig. 1.

Fig. 3 is a perspective view of another view of the electrical connector shown in fig. 1.

Fig. 4 is a cross-sectional view taken along the direction A-A in fig. 1.

Fig. 5 is a side view of the upper, lower, inner upper and inner lower terminals of the electrical connector shown in fig. 1.

Fig. 6 is an exploded view of the electrical connector shown in fig. 1.

Fig. 7 is an exploded view of the electrical connector of fig. 6 from another perspective.

Fig. 8 is an exploded view of a terminal module of the electrical connector shown in fig. 1.

Fig. 9 is a further exploded view of the terminal module of fig. 8 with the retention tab removed.

Fig. 10 is a further exploded view of the terminal module of fig. 8 from another perspective with the retention tab removed.

Fig. 11 is a top view of the upper terminals of the terminal module of the electrical connector shown in fig. 1.

Fig. 12 is a rear view of the upper terminals of the terminal module of the electrical connector shown in fig. 11.

[ Main reference numerals Specification ]

Insulating housing 10 of electrical connector 100

Body 110 housing space 101

Docking slot 102 mounting port 103

Top wall 111 and bottom wall 112

Side wall 113 upper cover 120

Upper terminal 21 of terminal module 20

Lower terminal 22 contact portion 210

Tail 211 body 212

First parallel portion 2120 deflects portion 2121

Second parallel portion 2122 inclined portion 2123

Upper terminal 23 in upright portion 2124

Inner contact portion 230 of inner lower terminal 24

Inner tail 231 inner body 232

Inner deflecting portion 2321 of first inner parallel portion 2320

Inner inclined portion 2323 of second inner parallel portion 2322

Inner vertical 2324 differential signal terminal pair 201

Front insulator 203 of ground terminal 202

Rear insulator 204 conductive member 205

The utility model will be further described in the following detailed description in conjunction with the above-described figures.

[ Detailed description ] of the invention

As shown in fig. 1-12, an electrical connector 100 consistent with the present utility model is shown. The electrical connector 100 is configured to be inserted into a mating board (not shown) of the mating connector (not shown) along an insertion direction. The electrical connector 100 includes an insulative housing 10 and a terminal module 20 mounted within the insulative housing 10.

As shown in fig. 1 to 3, the insulating housing 10 includes a body 110 and an upper cover 120 engaged with the body 110. The body 110 is provided with a housing space 101, a mating groove 102 for inserting a mating plate of the mating connector from front to back into the housing space 101 to be matched with the terminal module 20, a mounting opening 103 communicated with the housing space 101 for mounting the terminal module 20 to the housing space 101 from back to front, a top wall 111 arranged on the upper side of the mating groove 102, a bottom wall 112 arranged on the lower side of the mating groove 102, and two side walls 113 connecting the top wall 111 and the bottom wall 112. The side walls 113 extend rearward beyond the bottom wall 112.

As shown in fig. 4 to 10, the terminal module 20 includes an upper terminal 21 and a lower terminal 22 disposed opposite to the upper terminal 21. The upper terminal 21 and the lower terminal 22 each include a contact portion 210 that is mateable with the mating connector, a tail portion 211 that is spaced apart from the contact portion 210, and a body portion 212 that connects the contact portion 210 and the tail portion 211. The main body 212 of the upper and lower terminals 21 and 22 includes a first parallel portion 2120 extending from the rear end of the contact portion 210, a deflection portion 2121 deflected away from the rear end of the first parallel portion 2120, and a second parallel portion 2122 extending from the distal end of the deflection portion 2121. A distance D1 between the first parallel portions 2120 of the upper and lower terminals 21 and 22 is larger than a distance D2 between the contact portions 210, and a distance D3 between the second parallel portions 2122 of the upper and lower terminals 21 and 22 is larger than the distance D1 between the first parallel portions 2120. Further, the main body 212 of the upper terminal 21 includes an inclined portion 2123 extending obliquely downward from the end of the second parallel portion 2122 and a vertical portion 2124 extending downward from the end of the inclined portion 2123. The lower terminal 22 includes a vertical portion 2124 extending downward from the end of the second parallel portion 2122.

As shown in fig. 4 to 10, further, the terminal module 20 further includes an inner upper terminal 23 and an inner lower terminal 24 disposed between the upper terminal 21 and the lower terminal 22. The inner upper terminal 23 is disposed opposite to the inner lower terminal 24, and the inner upper terminal 23 and the inner lower terminal 24 each include an inner contact portion 230 disposed at a rear side of the contact portion 210 to mate with the mating connector, an inner tail portion 231 disposed at a distance from the inner contact portion 230, and an inner body portion 232 connecting the inner contact portion 230 and the inner tail portion 231. The inner body portions 232 of the inner upper terminal 23 and the inner lower terminal 24 each include a first inner parallel portion 2320 extending from a rear end of the inner contact portion 230, and a distance D4 between the inner upper terminal 23 and the first inner parallel portion 2320 of the inner lower terminal 24 is greater than or equal to a distance D5 between the inner upper terminal 23 and the inner contact portion 230 of the inner lower terminal 24 at any one place. The inner lower terminal 24 includes an inner deflecting portion 2321 deflecting from the end of the first inner parallel portion 2320 toward the inner upper terminal 23, and a second inner parallel portion 2322 extending continuously from the end of the inner deflecting portion 2321 and parallel to the first inner parallel portion 2320 of the inner upper terminal 23, and the inner lower terminal 24 includes an inner vertical portion 2324 bending downward from the second inner parallel portion 2322. The inner upper terminal 23 includes an inner inclined portion 2323 extending obliquely downward from an end of the first inner parallel portion 2320. The inclined portion 2123 is parallel to the inner inclined portion 2323, and a distance D6 between the inclined portion 2123 and the inner inclined portion 2323 is greater than a distance D7 between the second parallel portion 2122 of the upper terminal 23 and the first inner parallel portion 2320 of the inner upper terminal 23. The inner upper terminal 23 includes an inner vertical portion 2324 extending downward from the end of the inner inclined portion 2323. The vertical portion 2124 of the upper terminal 23 is flush with the upper ends of the inner vertical portions 2324 of the inner upper terminal 23 and the inner lower terminal 24. The adjacent vertical portions 2124 are equal to the inner vertical portion 2324, the inner vertical portion 2324 is equal to the inner vertical portion 2324, and the distance L between the inner vertical portion 2324 and the vertical portion 2124.

As shown in fig. 4 to 12, further, the upper terminal 21, the lower terminal 22, the inner upper terminal 23 and the inner lower terminal 24 each include a plurality of differential signal terminal pairs 201 and ground terminals 202 disposed on both sides of each differential signal terminal pair 201. The terminal module 20 includes front insulators 203 formed on the upper terminal 21, the lower terminal 22, the inner upper terminal 23, and the inner lower terminal 24, respectively. The front insulator 203 of the upper and lower terminals 21 and 22 is provided with a recess 2030 for receiving the inner contact 230 of the inner upper and lower terminals 23 and 24. The terminal module 20 includes rear insulators 204 formed on the vertical portions 2124 of the upper and lower terminals 21, 2122 of the lower terminal 21, and the inner vertical portions 2324 of the inner upper and lower terminals 23 and 24, respectively. The terminal module 20 includes a plurality of conductive members 205, each conductive member 205 is disposed on a corresponding one of the front insulating member 203 and the rear insulating member 204, and the conductive members 205 are electrically connected to the ground terminals 202 on both sides of the differential signal terminal pair 201, but are not electrically connected to the differential signal terminal pair 201. In this embodiment, the conductive members 205 are disposed on all the front insulating member 203 and the rear insulating member 204. The conductive member 205 may be made of a conductor of a metal material or an electrically lossy material.

The upper and lower terminals 21 and 22 of the electrical connector 100 of the present utility model are offset away from each other twice, so that the distance between the upper and lower terminals 21 and 22 is further, and crosstalk during higher speed transmission can be reduced, or when a terminal lifting transmission channel is further added between the upper and lower terminals 21 and 22, a sufficient space is provided between the added terminals to realize high speed transmission. The electric connector shown in the utility model accords with a transmission interface of a QSFP DD, and defines 8 transmitting channels and 8 receiving channels, and the signal transmission rate of each channel can reach 112Gbps. Of course, the transmission rate of the present utility model is not limited to 112Gbps, and may be applicable to transmission of signals at higher or lower rates. The present utility model may also be applied to electrical connectors such as SFP-DD, SFP, QSFP, OSPF, OSFP XD, and the like.

The foregoing is only some, but not all, embodiments of the present utility model, and any equivalent modifications of the technical solution of the present utility model will be covered by the claims of the present utility model by a person of ordinary skill in the art from reading the present specification.

Claims

1. The utility model provides an electric connector, its can cooperate with butt joint connector, its include the insulator and accept in terminal module in the insulator, the insulator include accept space and with the butt joint groove of accepting space intercommunication, butt joint connector accessible the butt joint groove inserts in the accept space with terminal module cooperation, terminal module include last terminal and with the lower terminal of last terminal relative setting, go up the terminal with lower terminal all include can with butt joint connector complex contact, with the afterbody of contact interval setting, and connect contact with the main part of afterbody, its characterized in that: the main body portion of the upper terminal and the lower terminal comprises a first parallel portion extending from the rear end of the contact portion, a deflection portion deviating from the rear end of the first parallel portion in a distance direction, and a second parallel portion extending from the tail end of the deflection portion, the distance between the first parallel portions of the upper terminal and the lower terminal is larger than or equal to the distance between the contact portions, and the distance between the second parallel portions of the upper terminal and the lower terminal is larger than the distance between the first parallel portions.

2. The electrical connector of claim 1, wherein: the terminal module further comprises an inner upper terminal and an inner lower terminal which are arranged between the upper terminal and the lower terminal, the inner upper terminal and the inner lower terminal are oppositely arranged, and the inner upper terminal and the inner lower terminal respectively comprise an inner contact part arranged at the rear side of the contact part so as to be matched with the butt connector.

3. The electrical connector of claim 2, wherein: the inner upper terminal and the inner lower terminal each comprise a first inner parallel portion extending from the rear end of the inner contact portion, and the distance between the inner upper terminal and the first inner parallel portion of the inner lower terminal is greater than or equal to the distance between any one of the inner contact portions of the inner upper terminal and the inner lower terminal.

4. The electrical connector of claim 3, wherein: the main body portion of the upper terminal includes an inclined portion extending obliquely downward from a distal end of the second parallel portion, the inner upper terminal includes an inner inclined portion extending obliquely downward from a distal end of the first inner parallel portion, the inclined portion is parallel to the inner inclined portion, and a distance between the inclined portion and the inner inclined portion is greater than a distance between the second parallel portion of the upper terminal and the first inner parallel portion of the inner upper terminal.

5. The electrical connector of claim 4, wherein: the main body portion of the upper terminal includes a vertical portion extending downward from the end of the inclined portion, the inner upper terminal includes an inner vertical portion extending downward from the end of the inner inclined portion, and the vertical portion of the upper terminal is flush with the upper end of the inner vertical portion of the inner upper terminal.

6. The electrical connector of claim 5, wherein: the inner lower terminal comprises an inner deflection part deflected from the tail end of the first inner parallel part to the inner upper terminal, and a second inner parallel part continuously extending from the tail end of the inner deflection part and parallel to the first inner parallel part of the inner upper terminal, the inner lower terminal comprises an inner vertical part bent downwards from the second inner parallel part, the upper end of the inner vertical part of the inner lower terminal is flush with the vertical part of the upper terminal and the upper end of the inner vertical part of the inner upper terminal, the lower terminal comprises a vertical part extending downwards from the tail end of the second parallel part, and the distances between the adjacent vertical parts and the inner vertical part, the inner vertical part and the inner vertical part are equal.

7. The electrical connector of claim 2, wherein: the terminal module comprises a front insulating piece which is respectively molded on the upper terminal and the lower terminal, and the front insulating piece is provided with a groove for accommodating the inner contact parts of the inner upper terminal and the inner lower terminal.

8. The electrical connector of claim 7, wherein: the terminal module comprises a vertical part of the upper terminal, a second parallel part of the lower terminal, an inner upper terminal and a rear insulating part on the inner vertical part of the inner lower terminal.

9. The electrical connector of claim 8, wherein: the upper terminal, the lower terminal, the inner upper terminal and the inner lower terminal all comprise differential signal terminal pairs and grounding terminals arranged on two sides of the differential signal terminal pairs.

10. The electrical connector of claim 9, wherein: the terminal module comprises a plurality of conductive pieces, each conductive piece is arranged on one of the corresponding front insulating piece and rear insulating piece, and the conductive pieces are electrically connected with the grounding terminals on two sides of the differential signal terminal pair.