TWI514696B - Electrical connector - Google Patents

Description

Electrical connector

The invention relates to an electrical connector, in particular a terminal arrangement of an electrical connector.

In router applications, more ports are required for some special occasions. However, due to the horizontal space limitation of the system, the router cannot always be horizontally lengthened. Therefore, in the case that the router is highly satisfactory, the industry needs a 3XN modular jack to increase the number of ports. U.S. Patent No. 5,531,612, the entire disclosure of which is incorporated herein by reference. However, it is not possible to directly stack a 1XN type module connector and a 2XN type module connector to obtain a 3XN type module connector. In some cases, the upper and lower stacking ports need to be set to different types of RJ45 ports, such as ports that are not equipped with a transit filter module and ports that have integrated with transformers. How to arrange the terminals in the port and the terminal holes of the external circuit board are urgent problems to be solved in the industry.

The technical problem to be solved by the present invention is that the terminal arrangement of the 3XN type modular jack has better transmission quality and less space.

In order to solve the above problems, the present invention provides an electrical connector including: an insulative housing and a plurality of docking terminals, the front end of the insulative housing has three RJ45 ports stacked one above another, and the rear end of the insulative housing has a cavity , the plurality of docking terminals The device includes three sets of terminals inserted into three RJ45 ports, the three sets of terminals can be electrically connected to an external circuit board, and the first and second sets of terminals are electrically connected to the external circuit board by the built-in circuit board module, The three sets of terminals are directly connected to the external circuit board, and the third set of terminals are located on the lower side of the first and second sets of terminals.

Compared with the prior art, the present invention proposes a preferred technical means for the arrangement of the 3XN type electrical connector terminals. By adopting the terminal arrangement of the invention, the third group of terminals is prevented from being interfered by the power component or the electronic component on the external circuit board, and the occupied space of the external circuit board is reduced.

1, 1'‧‧‧Insulated body

221‧‧‧ containment chamber

100, 100’‧‧‧ electrical connectors

23‧‧‧Docking terminal block

11, 11'‧‧‧RJ45 port

230‧‧‧Insulation block

111, 111’‧‧‧ port

231, 231'‧‧‧First set of terminals

112, 112’‧‧‧ port

2311, 2321, 2311', 2321', 251, 251' ‧ ‧ free end

113, 113’‧‧‧ lower port

2313, 2411‧‧‧ soldering feet

12, 12’‧‧‧

232, 232' ‧ ‧ second set of terminals

13‧‧‧Terminal slot

24, 24'‧‧‧Installation terminal block

14‧‧‧ bottom

240, 240'‧‧‧Insulation

141, 141’‧‧‧Sinking Department

241, 241'‧‧‧ Mounting terminal

142, 142’‧‧‧ positioning column

25, 25'‧‧‧ third set of terminals

2, 2'‧‧‧ terminal module

252, 2412‧‧‧ mounting feet

20, 20’‧‧‧ sinking trough

3, 3'‧‧‧ indicating device

200, 200’‧‧‧ external circuit boards

31, 31'‧‧‧LED lights

21, 21’‧‧‧ vertical boards

32‧‧‧Light pipe

211, 211' ‧ ‧ transformer

4, 4'‧‧‧ mask housing

212, 212'‧‧‧Common mode suppressor

41, 41'‧‧‧ front mask housing

213’‧‧‧Conductor

42, 42'‧‧‧ rear mask housing

214', 26, 26'‧‧‧ positioning holes

50, 60‧‧‧ terminal hole

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

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

The third figure is an exploded view of another view of the electrical connector shown in the second figure.

The fourth figure is an exploded view of the terminal module and the external circuit board shown in the second figure.

The fifth figure is a perspective view of a second embodiment of the present invention.

Figure 6 is an exploded view of the electrical connector shown in Figure 5.

The seventh figure is an exploded view of the terminal module and the external circuit board shown in the sixth figure.

The eighth figure is an exploded view of another perspective view of the terminal module and the external circuit board shown in the seventh figure.

Please refer to the first to fourth figures together, which is a first embodiment of the present invention. An electrical connector 100 is mounted on an external circuit board 200. The electrical connector 100 includes an insulative housing 1, a terminal module 2, a pointing device 3, and a mask housing 4.

The front end of the insulative housing 1 has three RJ45 ports 11 stacked on top of each other, and the insulative body 1 The rear end has a socket 12 that communicates with three RJ45 ports 11 through the upper and lower rows of terminal slots 13. The bottom portion 14 of the front end of the insulative housing 1 has a downwardly projecting plate portion 141 and a positioning post 142 on the rear side of the plate portion 141. The front end of the outer circuit board 200 has a sinker groove 20 and a rear side of the plate sink groove 20. The positioning hole 26 and the plate sinking portion 141 can be installed in the sinking groove 20 in a sinking manner, and the positioning post 142 can be installed in the positioning hole 26 .

The terminal module 2 includes a built-in circuit board module and a third set of terminals 25. The built-in circuit board module includes two vertical circuit boards 21, an intermediate bracket 22, a docking terminal block 23, and a mounting terminal block 24. Two vertical circuit boards 21 are disposed in parallel to each other, and the intermediate bracket 22 is located between the two vertical circuit boards 21. The docking terminal block 23 is mounted to the intermediate bracket 22 and welded to the two vertical circuit boards 21, and the mounting terminal block 24 is connected to the bottom of the two vertical circuit boards 21. Four transformers 211 and four common mode suppressors 212 are mounted on one side surface of each vertical circuit board 21 facing the intermediate bracket 22. The two sides of the intermediate bracket 22 are respectively provided with a receiving cavity 221, a transformer 211 and a common mode suppressor. 212 can be housed in the receiving cavity 221. The docking terminal block 23 has a first group of terminals 231, a second group of terminals 232, and an insulating block 230. The first set of terminals 231, the second set of terminals 232 and the insulating block 230 are integrated by insert molding. The first set of terminals 231 and the second set of terminals 232 are electrically connected to the external circuit board 200 by the built-in circuit board module and the mounting terminal block 24. The first and second sets of terminals 231, 232 each include a free end 2311, 2321 extending obliquely within the RJ45 port 11, an embedded portion embedded in the insulating block 230, and a soldering leg 2313 connected to the vertical circuit board. . The mounting terminal block 24 has an insulating member 240 and a mounting terminal 241 fixed to the insulating member 240. The mounting terminal 241 has soldering legs 2411 mounted to the bottom of the vertical circuit board 21 and mounting legs 2412 for electrical connection to the external circuit board 200. The first and second sets of terminals 231, 232 are electrically connected to the mounting terminal 241 by being filtered by the transformer 211 on the vertical circuit board 21 and the common mode suppressor 212.

The third set of terminals 25 has a free end 251 located within the RJ45 port 11 and a mounting leg 252 for mounting directly to the external circuit board 200. The free end 251 extends obliquely downwardly and rearwardly, and the mounting legs 252 are divided into two columns which extend vertically downwards. The three RJ45 ports 11 include an upper port 111, a middle port 112, and a lower port 113. The first, second, and third sets of terminals 231, 232, and 25 are respectively inserted from the rear to the front at the upper, middle, and lower ports 111, 112. 113. The free end 2311 of the first set of terminals 231 is up (Tail Up), the free end 2321 of the second set of terminals 232 is down (Tail Down), and the free end 251 of the third set of terminals 25 is down (Tail Down). In the case of the arrangement, the insertion and extraction of the modular plugs are less interfering with each other. The third set of terminals 25 are located on the front side of the vertical circuit board 21 and on the lower side of the first and second sets of terminals 231, 232. If arranged, the terminals on the external circuit board 200 that are mated with the third set of terminals 25 can be made. The hole 50 is located on the front side of the terminal hole 60 that mates with the first and second sets of terminals 231, 232. The rear side of the external circuit board 200 often needs to be provided with a power supply component or other electronic components, and the third set of terminals 25 are mounted on the front side of the external circuit board 200 to prevent the third group of terminals 25 from being interfered by the power supply component or the electronic component (Layout Hi-POT). In addition, the rear side of the external circuit board 200 also saves more space for installing more electronic components.

The pointing device 3 is used to indicate the communication status of the upper port 111 and the middle port 112. The pointing device 3 is composed of a combination of the patch LED lamp 31 and the light guide tube 32. The mask housing 4 includes a mask housing 41 and a rear mask housing 42 before mating with each other.

Please refer to the fifth to eighth figures together, which is a second embodiment of the present invention. The electrical connector 100' is for mounting to an external circuit board 200'. The electrical connector 100' includes an insulative housing 1', a terminal module 2', a pointing device 3', and a mask housing 4'.

The front end of the insulative housing 1' has three RJ45 ports 11' stacked one on top of the other, and the rear end of the insulative housing 1' has a socket 12', which is borrowed from three RJ45 ports 11' It is connected by the upper and lower rows of terminal slots. The bottom of the front end of the insulative housing 1' has a downwardly projecting plate portion 141' and a positioning post 142' on the rear side of the plate portion 141'. The front end of the external circuit board 200' has a sinker groove 20' and a sinker plate. The positioning hole 26 ′ on the rear side of the groove 20 ′ can be installed in the sinking groove 20 ′ in a sinking manner, and the positioning post 142 ′ can be installed in the positioning hole 26 ′.

The terminal module 2' includes a built-in circuit board module and a third set of terminals 25'. The built-in circuit board module has a vertical circuit board 21' facing the three RJ45 ports 11'. The front surface of the vertical circuit board 21' is soldered with a first set of terminals 231' and a second set of terminals 232'. The rear surface of the vertical circuit board 21' is mounted with a transformer 211', a common mode suppressor 212', and a transformer 211. 'Installation terminal block 24' on the lower side of the common mode suppressor 212'. The mounting terminal block 24' has an insulating member 240' and a mounting terminal 241' held by the insulating member 240'. The first and second sets of terminals 231', 232' are provided by the transformer 211' and the common mode suppressor 212' and the mounting terminal. The 241' is electrically connected to the external circuit board 200'. The third set of terminals 25' are located on the front side of the vertical circuit board 21' and are directly connected to the external circuit board 200'. The rear side of the vertical circuit board 21' has two rows of conductive sheets 213' arranged in the up and down direction, and the ends of the transformer 211' and the common mode suppressor 212' (not shown) are soldered to the two rows of conductive sheets 213, respectively. 'on. The vertical circuit board 21' is further provided with a positioning hole 214' on the lower side of the conductive piece 213', and the insulating member 240' has a positioning post (not shown) that cooperates with the positioning hole 214'.

The three RJ45 ports 11' include an upper port 111', a middle port 112' and a lower port 113', and the first, second, and third sets of terminals 231', 232', 25' are respectively inserted into the upper, middle, and lower ports. 111', 112', 113'. Each set of terminals 231', 232', 25' has a free end located in the upper, middle and lower ports 111', 112', 113', and the free end 2311' of the first set of terminals 231' faces up (Tail Up ),second The free end 2321' of the set terminal 232' is up (Tail Up) and the free end 251' of the third set of terminals 25' is down (Tail Down). The third set of terminals 25' also has mounting feet for electrical connection to the external circuit board 200'.

The pointing device 3' is used to indicate the communication of the upper port 111' and the middle port 112', which is a perforated solder LED lamp 31'. The mask housing 4' includes a front mask housing 41' and a rear mask housing 42'.

Compared with the first embodiment, the second embodiment has fewer components and is cheaper.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only the 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 should be covered by the following patent application.

1‧‧‧Insulating body

111‧‧‧Upper port

112‧‧‧ middle port

113‧‧‧Lower port

14‧‧‧ bottom

2‧‧‧Terminal module

20‧‧‧ sinking trough

200‧‧‧External circuit board

231‧‧‧First set of terminals

232‧‧‧Second group terminal

25‧‧‧third group terminal

26‧‧‧Positioning holes

3‧‧‧ indicating device

41‧‧‧ front mask housing

42‧‧‧ rear mask housing

Claims (10)

An electrical connector includes: an insulative housing, a plurality of mating terminals, and a built-in circuit board module, wherein the front end of the insulative housing has three RJ45 ports stacked one on top of the other, and the rear end of the insulative housing has a cavity The plurality of docking terminals include three sets of terminals inserted into three RJ45 ports, and the three sets of terminals can be electrically connected to an external circuit board and have a first group of terminals, a second group of terminals, and a third group of terminals. The first and second sets of terminals are electrically connected to the external circuit board by the built-in circuit board module, the third set of terminals are directly connected to the external circuit board, and the third set of terminals are located under the first and second sets of terminals side. The electrical connector of claim 1, wherein the built-in circuit board module comprises two vertical circuit boards, and the electrical connector further comprises a lower end of the two vertical circuit boards. The terminal is mounted, and the first and second sets of terminals are electrically connected to the mounting terminal by two vertical circuit boards, and the third set of terminals are located on the front side of the vertical circuit board. The electrical connector of claim 2, wherein the three RJ45 ports include an upper port, a middle port, and a lower port, and the first, second, and third groups of terminals are respectively inserted into the upper port. , the middle port and the lower port, each set of terminals has a free end in each port, wherein the free end of the first set of terminals faces upward, the free end of the second set of terminals faces downward, and the free end of the third set of terminals under. The electrical connector of claim 2, wherein the built-in circuit board module further comprises a transformer and a common mode suppressor mounted on each vertical circuit board, the first and second groups The terminal is electrically connected to the mounting terminal by a transformer and a common mode suppressor. The electrical connector of claim 1, wherein the built-in circuit board module has a vertical circuit board facing three RJ45 ports, and the first and second sets of terminals are connected to the vertical The front side of the circuit board, the electrical connector also has an ampoule mounted on the rear side of the vertical circuit board A terminal is mounted, the third set of terminals being located on a front side of the vertical circuit board. The electrical connector of claim 5, wherein the three RJ45 ports include an upper port, a middle port, and a lower port, and the first, second, and third groups of terminals are respectively inserted in the upper port. , middle port and lower port, each group has a free end in each port, the free end of the first set of terminals faces upward, the free end of the second set of terminals faces upward, and the free end of the third set of terminals under. The electrical connector of claim 5, wherein the built-in circuit board module further comprises a transformer and a common mode suppressor mounted on a rear side of the vertical circuit board, the first and second groups The terminal is electrically connected to the mounting terminal by a transformer and a common mode suppressor. The electrical connector of claim 7 is characterized in that: the rear side of the vertical circuit board has two rows of conductive sheets arranged in the up and down direction, and the wires of the transformer and the common mode suppressor The heads are respectively soldered to the two rows of conductive sheets. The electrical connector of claim 3 or 6 is improved in that the electrical connector further has indicating means for indicating only the communication status of the upper port and the lower port. The electrical connector of claim 1, wherein the front end of the insulating body has a downwardly projecting plate portion, and the plate portion can be installed in a sinker manner. On the external circuit board.