CN204243400U - Rj45 electric connector - Google Patents
Rj45 electric connector Download PDFInfo
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- CN204243400U CN204243400U CN201420706056.4U CN201420706056U CN204243400U CN 204243400 U CN204243400 U CN 204243400U CN 201420706056 U CN201420706056 U CN 201420706056U CN 204243400 U CN204243400 U CN 204243400U
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- electric connector
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Abstract
A kind of RJ45 electric connector, it comprises eight docking terminals, described eight butt attached bags draw together the first docking terminal that transversely direction is arranged in order, second docking terminal, 3rd docking terminal, 4th docking terminal, 5th docking terminal, 6th docking terminal, 7th docking terminal and the 8th docking terminal, described first docking terminal, second docking terminal, 3rd docking terminal, 6th docking terminal, 4th docking terminal, 5th docking terminal, and the 7th docks terminal, 8th docking terminal is respectively used to transmission a pair Difference signal pair, the extension that each docking terminal has leading section and extends back from leading section, the extension that wherein said 4th extension and the 5th docking terminal docks terminal is mutually arranged in a crossed manner, the extension that described 3rd extension and the 6th docking terminal docks terminal is mutually arranged in a crossed manner.Above-mentioned setting, makes the crosstalk reduction between two pairs of Difference signal pair terminals, can meet the requirement of the express network signal of transmission 40Gbps.
Description
Technical field
The utility model relates to a kind of RJ45 electric connector of high speed data transfer, particularly relates to the layout of docking terminal in a kind of RJ45 electric connector to adapt to high speed data transfer.
Background technology
Along with the development of technology and the growth of application demand, the transmission speed of Ethernet progressively expands to 100Mbps, 1Gbps, 10Gbps from initial 10Mbps.
The transmission speed of follow-on Ethernet will reach 40Gbps, the network signal of high-speed transfer like this, traditional RJ45 electric connector cannot meet, due to the raising of transmission speed, the electromagnetic interference of the docking terminal in RJ45 electric connector can be suitable large, to such an extent as to test specification requirement cannot be met with traditional RJ45 electric connector transmission.
Eight docking terminals that tradition is arranged are arranged in a row, and middle four terminals are divided into two pairs of differential signal channel, and crosstalk between passage (crosstalk) is large especially, cannot meet the specification requirement of 40Gbps network transfer speeds.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of RJ45 electric connector, and the crosstalk between docking terminal is little, to meet high-speed transfer.
In order to solve the problems of the technologies described above, the technical solution of the utility model is:
A kind of RJ45 electric connector, it comprises eight docking terminals, described eight butt attached bags draw together the first docking terminal that transversely direction is arranged in order, second docking terminal, 3rd docking terminal, 4th docking terminal, 5th docking terminal, 6th docking terminal, 7th docking terminal and the 8th docking terminal, described first docking terminal and the second docking terminal, 3rd docking terminal and the 6th docking terminal, 4th docking terminal and the 5th docking terminal, and the 7th docking terminal and the 8th docking terminal be respectively used to transmission a pair Difference signal pair, the extension that each docking terminal has leading section and extends back from leading section, the extension that wherein said 4th extension and the 5th docking terminal docks terminal is mutually arranged in a crossed manner, the extension that described 3rd extension and the 6th docking terminal docks terminal is mutually arranged in a crossed manner.
Compared with prior art, the utility model intersects by the 4th docking terminal and the 5th is docked terminal, and the 3rd docking terminal and the 6th is docked terminal and intersects, make the crosstalk reduction between these two pairs of Difference signal pair terminals, the requirement of the express network signal transmitting 40Gbps can be met.
Accompanying drawing explanation
Fig. 1 is the utility model RJ45 electric connector stereogram.
Fig. 2 is the exploded view of the electric connector of RJ45 shown in Fig. 1.
Fig. 3 is another visual angle exploded view of the electric connector of RJ45 shown in Fig. 2.
Fig. 4 is the further angle exploded view of the electric connector of RJ45 shown in Fig. 2.
Fig. 5 is another visual angle exploded view of the electric connector of RJ45 shown in Fig. 4.
Fig. 6 is the schematic diagram of the terminal of docking shown in Fig. 4.
Fig. 7 is another visual angle schematic diagram of the terminal of docking shown in Fig. 6.
[main element symbol description]
| Insulating body | 1 | To socket | 10 |
| RJ45 electric connector | 100 | Antetheca | 11 |
| Rear wall | 12 | Jube groove | 121 |
| Jube arm | 122 | Guid arm | 123 |
| Roof | 13 | Support slot | 131 |
| Diapire | 14 | Sidewall | 15 |
| Terminal module | 2 | Docking terminal | 21 |
| First docking terminal | 211 | Second docking terminal | 212 |
| 3rd docking terminal | 213 | 4th docking terminal | 214 |
| 5th docking terminal | 215 | 6th docking terminal | 216 |
| 7th docking terminal | 217 | 8th docking terminal | 218 |
| Magnetic coil | 22 | Magnetic core | 221 |
| Insulating carrier | 23 | Host cavity | 230 |
| Front bulkhead | 231 | Accepting groove | 2310 |
| Side wall | 232 | Aft bulkhead | 233 |
| Holding slot | 2331 | Top end wall | 234 |
| Pin terminal | 24 | Holding parts | 241 |
| Line portion | 242 | Weld part | 243 |
| Sub-circuit board | 25 | Upper side | 251 |
| Downside | 252 | First row welding groove | 253 |
| Second row welding groove | 254 | Centre cap terminal | 26 |
| Metal screen case | 3 | Leading section | 50 |
| Contact site | 501 | Bending portion | 502 |
| The back of the body meets portion | 503 | Horizontal part | 504 |
| Extension | 60 | 3rd extension | 603 |
| 3rd turning part | 6031 | 3rd transverse part | 6032 |
| 3rd longitudinal part | 6033 | 4th extension | 604 |
| 5th extension | 605 | 6th extension | 606 |
| 6th bend | 6061 | Vertical portion | 6062 |
| 6th turning part | 6063 | 6th transverse part | 6064 |
| 6th longitudinal part | 6065 | Installation portion | 70 |
Following embodiment will further illustrate the utility model in conjunction with above-mentioned accompanying drawing.
Embodiment
As shown in Figures 1 to 7, for meeting a kind of RJ45 electric connector 100 of the present utility model, it can sink and board-likely be mounted on the external circuit board (not shown), for the network signal between relaying transport RJ45 connector connector (crystal head, not shown) and the external circuit board.RJ45 electric connector 100 of the present utility model is for transmitting the express network signal of 40Gbps.
The metal screen case 3 that RJ45 electric connector 100 comprises insulating body 1, is installed on the terminal module 2 of insulating body 1 rear end and is coated on outside insulating body 1 and terminal module 2.
Insulating body 1 is roughly square, and comprises antetheca 11, rear wall 12, roof 13, diapire 14 and two side 15.Insulating body 1 be provided with for RJ45 connector connector (butt connector) insert along the longitudinal direction coordinate to socket 10.Described socket 10 to be recessed to form backward from antetheca 11, and to be made around by antetheca 11, rear wall 12, roof 13, diapire 14 and two side 15.The centre position, front end of roof 13 be provided with run through roof 13 downwards and with the support slot 131 through to socket 10, wherein support slot 131 is for being clasped with the buckle afterbody of RJ45 connector connector.Described rear wall 12 is provided with a transversely arranged row from the recessed forward jube groove 121 of rear wall 12 and the jube arm 122 between adjacent two jube grooves.Described jube groove 121 is communicated with in the longitudinal direction with to socket 10.Described insulating body 1 also comprises a pair guid arm 123 extended back respectively from its rear wall 12 lower left corner and the lower right corner, and described guid arm 123 slips into installation for guide end submodule group 2, the setting party of guid arm 123 the installation of terminal module 2.
Terminal module 2 comprise for and RJ45 connector connector coordinate eight docking terminals 21, for being mounted to row's pin terminal 24 of the external circuit board, that the magnetic coil 22(be electrically connected between docking terminal 21 and pin terminal 24 connects enamelled wire is not shown), centre cap terminal 26 and the insulating carrier 23 for fixing docking terminal 21 and pin terminal 24.Described terminal module 2 also comprises the sub-circuit board 25 being arranged on and being connected on the downside of insulating carrier 23 and with docking terminal 21, and described sub-circuit board 25 is horizontally disposed with and the upper side 251 be provided with near insulating carrier 23 and the downside 252 that arrange contrary to upper side 251.Described downside 252 is provided with some capacitors of being electrically connected with centre cap terminal 26 and resistor (not shown), to form Bob Smith circuit.Described sub-circuit board 25 be provided with some run through sub-circuit board 25 front end along the vertical direction first row welding groove 253 and second row welding groove 254 after being positioned at first row welding groove 253.Described docking terminal 21 one end plugs and is connected to first row welding groove 253 or second row welding groove 254, and described docking terminal 21 other end passes jube groove 121 and extends in socket 10.
Insulating carrier 23 has front bulkhead 231, aft bulkhead 233 and the top end wall 234 be connected between front bulkhead 231 and aft bulkhead 233 and both sides end wall 232.Described front bulkhead 231, aft bulkhead 233, top end wall 234 and both sides end wall 232 surround one to the host cavity 230 of under shed, described docking terminal 21 is fixed on front bulkhead 231, described pin terminal 24 is fixed on aft bulkhead 233, and described magnetic coil 22 is contained in host cavity 230.Described magnetic coil 22 is between docking terminal 21 and pin terminal 24.
As shown in Figure 6 and Figure 7, eight docking terminals 21 comprise and to be laterally arranged in order and the first docking terminal 211, second being installed on sub-circuit board 25 front end docks terminal 212, the 3rd docking terminal 213, the 4th docking terminal 214, the 5th docking terminal 215, the 6th docking terminal 216, the 7th docking terminal 217 and the 8th docking terminal 218.First docking terminal 211, second docks terminal 212,3rd docking terminal 213, the 6th docking terminal 216,4th docking terminal 214, the 5th docking terminal 215, and the 7th docks terminal 217, the 8th docking terminal 218 is respectively used to transmission a pair Difference signal pair.
The extension 60 that each docking terminal 21 has leading section 50, extend back from leading section 50 and the installation portion 70 bending backward downward-extension along extension 60.The 5th extension 605 that 4th the 4th extension 604 and the 5th docking terminal 214 docks terminal 215 is mutually arranged in a crossed manner, and the 6th extension 606 that the described 3rd the 3rd extension 603 and the 6th docking terminal 213 docks terminal 216 is mutually arranged in a crossed manner.Crosstalk (crosstalk) in RJ45 connector between the 3rd docking terminal 213, the 4th docking terminal 214, the 5th docking terminal 215 and the 6th docking terminal 216 is the strongest, intersect by the 4th docking terminal 214 is docked terminal 215 with the 5th, and the 3rd docking terminal 213 is docked terminal 216 with the 6th and intersects, make the crosstalk reduction between these two pairs of Difference signal pair terminals, to meet the requirement of the express network signal of transmission 40Gbps.
4th extension 604 of the 4th docking terminal 214 is positioned at the below of the 5th extension 605 of the 5th docking terminal 215.The installation portion 70 of the first docking terminal 211, second docking terminal 212, the 7th docking terminal 217, the 8th docking terminal 218 lines up first row in a lateral direction, and is welded in first row welding groove 253.The installation portion 70 of the 3rd docking terminal 213, the 4th docking terminal 214, the 5th docking terminal 215, the 6th docking terminal 216 lines up second row in a lateral direction, and is welded in second row welding groove 254.
The leading section 50 of each docking terminal 21 comprises bending portion 502, from bending portion 502 forward with the contact site 501 of downward-sloping extension, to meet portion 503 from bending portion 502 backward with the back of the body of downward-extension and overlap from the projection of leading section 50 transversely on direction that the back of the body connects portion 503 horizontal part 504, the eight docking terminal 21 of horizontal-extending backward.
3rd extension 603 of the 3rd docking terminal 213 comprise from its horizontal part backward and be bent downwardly extension the 3rd turning part 6031, from the 3rd transverse part 6032 of the 3rd turning part 6031 horizontal expansion, the 3rd longitudinal part 6033 that extends back from the 3rd transverse part 6032.6th extension 606 of described 6th docking terminal 216 comprise backward bending extend the 6th bend 6061, from the vertical portion 6062 that the 6th bend 6061 upwards extends, from vertical portion 6062 backward bending extend the 6th turning part 6063, from the 6th transverse part 6064 of the 6th turning part 6063 horizontal expansion, the 6th longitudinal part 6065 that extends back from the 6th transverse part 6064.Described 6th transverse part 6064 is positioned on the upside of the rear of described 3rd transverse part 6032.
As shown in Figure 4, bottom the front bulkhead 231 of described insulating carrier 23, be provided with eight accepting grooves 2310 to open front, dock the installation of terminals 21 for eight and fix.
As shown in Figures 3 to 5, each pin terminal 24 has the holding parts 241 be fixed on insulating carrier 23 aft bulkhead 233, extends forward backward downward-extension exceed the line portion 242 of insulating carrier 23 aft bulkhead 233 and extend rearward beyond the weld part 243 of aft bulkhead 233 from holding parts 241 bottom holding parts 241.Described weld part 243 extends back and exceeds aft bulkhead 233, described weld part 243 for surface soldered (SMT) to the external circuit board.The bottom of described aft bulkhead 233 is provided with the holding slot 2331 under shed, and pin terminal 24 inserts from holding slot 2331 and is retained on aft bulkhead 233.Holding slot 2331 runs through the aft bulkhead 233 of insulating carrier 23 along the longitudinal direction, arranges the reason line operation being convenient to enamelled wire the end of a thread like this.
Magnetic coil 22 comprises transformer coil and common mode inhibition device coil, the enamelled wire (not shown) that each coil comprises magnetic core 221 and is wrapped on magnetic core 221, and the centre cap of transformer coil is intertwined and connected to centre cap terminal 26.Enamelled wire has the first end the end of a thread (not shown) being connected to docking terminal 21 and the second rear line head (not shown) being connected to pin terminal 24, and described first end the end of a thread and the second rear line head are two free terminals of enamelled wire.Described first end the end of a thread is wound in the installation portion 70 of docking terminal 21, and described second rear line head is wound in the line portion 242 of pin terminal 24.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, done all conversion, all drop in protection range of the present utility model.
Claims (10)
1. a RJ45 electric connector, it comprises eight docking terminals, described eight butt attached bags draw together the first docking terminal that transversely direction is arranged in order, second docking terminal, 3rd docking terminal, 4th docking terminal, 5th docking terminal, 6th docking terminal, 7th docking terminal and the 8th docking terminal, described first docking terminal and the second docking terminal, 3rd docking terminal and the 6th docking terminal, 4th docking terminal and the 5th docking terminal, and the 7th docking terminal and the 8th docking terminal be respectively used to transmission a pair Difference signal pair, the extension that each docking terminal has leading section and extends back from leading section, it is characterized in that: the extension that the described 4th extension and the 5th docking terminal docks terminal is mutually arranged in a crossed manner, the extension that described 3rd extension and the 6th docking terminal docks terminal is mutually arranged in a crossed manner.
2. RJ45 electric connector as claimed in claim 1, it is characterized in that: the extending part of described 3rd docking terminal is in the below of the extension of the 4th docking terminal, the 5th docking terminal, and the extending part of described 6th docking terminal is in the top of the extension of the 4th docking terminal, the 5th docking terminal.
3. RJ45 electric connector as claimed in claim 2, is characterized in that: the extending part of described 4th docking terminal is in the below of the extension of the 5th docking terminal.
4. RJ45 electric connector as claimed in claim 1, it is characterized in that: each docking terminal is also provided with the installation portion bending backward downward-extension along extension, the installation portion of described first docking terminal, the second docking terminal, the 7th docking terminal, the 8th docking terminal lines up first row in a lateral direction, the installation portion of described 3rd docking terminal, the 4th docking terminal, the 5th docking terminal, the 6th docking terminal lines up second row in a lateral direction, and described second row is positioned at the rear of first row.
5. RJ45 electric connector as claimed in claim 1, it is characterized in that: the leading section of each docking terminal comprises bending portion, from bending portion forward with the contact site of downward-sloping extension, to meet portion backward with the back of the body of downward-extension from bending portion and the horizontal part of horizontal-extending backward from the back of the body portion of connecing, the projection transversely on direction of the leading section of eight butt overlaps.
6. RJ45 electric connector as claimed in claim 5, is characterized in that: the extension of described 3rd docking terminal comprise from its horizontal part backward and be bent downwardly extension the 3rd turning part, from the 3rd transverse part of the 3rd turning part horizontal expansion and the 3rd longitudinal part that extends back from the 3rd transverse part.
7. RJ45 electric connector as claimed in claim 6, it is characterized in that: the extension of described 6th docking terminal comprise from its horizontal part backward and be bent upwards extension the 6th bending turn of bilge, from the vertical portion that the 6th bend upwards extends, from vertical portion upwards and backward bending extend the 6th turning part, from the 6th transverse part of the 6th turning part horizontal expansion and the 6th longitudinal part that extends back from the 6th transverse part, described 6th transverse part is positioned on the upside of the rear of described 3rd transverse part.
8. RJ45 electric connector as claimed in claim 1, it is characterized in that: described electric connector also comprises and is arranged on the insulating carrier on rear side of insulating body, the magnetic coil be contained in insulating carrier, is installed on pin terminal in insulating carrier and the sub-circuit board that is positioned at below insulating carrier, the installation portion of described eight docking terminals is installed on sub-circuit board, described magnetic coil comprises magnetic core and is wrapped in enamelled wire magnetically, one and butt end sub-connection of described enamelled wire, the other end of described enamelled wire is connected with pin terminal.
9. RJ45 electric connector as claimed in claim 8, it is characterized in that: described insulating carrier comprises the front bulkhead, aft bulkhead, top end wall and the both sides end wall that surround a host cavity, described host cavity is opening down, described magnetic coil is contained in host cavity, described front bulkhead is provided with to be installed and fixing accepting groove for docking terminal, and described aft bulkhead is provided with to be installed and fixing holding slot for pin terminal.
10. RJ45 electric connector as claimed in claim 8, is characterized in that: described electric connector also comprise be coated on insulating body and and insulating carrier outside shield shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706056.4U CN204243400U (en) | 2014-11-21 | 2014-11-21 | Rj45 electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706056.4U CN204243400U (en) | 2014-11-21 | 2014-11-21 | Rj45 electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204243400U true CN204243400U (en) | 2015-04-01 |
Family
ID=52772849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420706056.4U Active CN204243400U (en) | 2014-11-21 | 2014-11-21 | Rj45 electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204243400U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390180A (en) * | 2018-04-19 | 2018-08-10 | 南京普天天纪楼宇智能有限公司 | The coil spring steric structure of unit for electrical property parameters is balanced in RJ45 jack modules |
| CN113381244A (en) * | 2020-02-25 | 2021-09-10 | 杭州海康威视数字技术股份有限公司 | Net gape female terminal |
| US11811176B2 (en) | 2020-10-26 | 2023-11-07 | Foxconn (Kunshan) Computer Connector Co., Ltd. | Electrical connector and circuit board used in the connector |
-
2014
- 2014-11-21 CN CN201420706056.4U patent/CN204243400U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390180A (en) * | 2018-04-19 | 2018-08-10 | 南京普天天纪楼宇智能有限公司 | The coil spring steric structure of unit for electrical property parameters is balanced in RJ45 jack modules |
| CN113381244A (en) * | 2020-02-25 | 2021-09-10 | 杭州海康威视数字技术股份有限公司 | Net gape female terminal |
| US11811176B2 (en) | 2020-10-26 | 2023-11-07 | Foxconn (Kunshan) Computer Connector Co., Ltd. | Electrical connector and circuit board used in the connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |