CN203225366U - Electric connector - Google Patents

Abstract

An electrical connector, which includes: an insulating body and several butt terminals, the front end of the insulating body has three RJ45 ports stacked up and down, the rear end of the insulating body has a socket cavity, and the several butt terminals include plug-in To the three groups of terminals in the three RJ45 ports, the three groups of terminals can be electrically connected to an external circuit board, wherein the first and second groups of terminals are electrically connected to the external circuit board through the built-in circuit board module, and the third group The terminals are directly connected to an external circuit board, and the third group of terminals is located on the lower side of the first and second groups of terminals. The utility model discloses a solution to a three-layer RJ45.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to a stacked RJ45 electric connector. the

【Background technique】

In router applications, some special occasions require more ports. However, due to the limitation of the horizontal space of the system, it cannot be extended horizontally. Therefore, in the case of highly satisfying requirements, the industry needs 3XN modular connectors (modular jack) to increase the number of ports. US Patent No. 5,531,612 published on July 2, 1996 discloses a 1XN modular jack and a 2XN modular jack. However, you cannot directly add 1XN modular jacks and 2XN modular jacks to get 3XN modular jacks. In particular, in some occasions, it is necessary to set up and down stacked ports as different types of RJ45 ports, for example, as a port without a passive module (passive) and a port with an integrated with transformer (integrated with transformer), how to achieve this The arrangement of the terminals in these ports and the layout of the terminal holes on the external circuit board are urgent problems to be solved. the

【Content of utility model】

The technical problem to be solved by the utility model is: the terminal arrangement of the 3XN type modular jack (modular jack). the

In order to solve the above problems, the utility model provides an electrical connector, which includes: an insulating body and a number of butt terminals, the front end of the insulating body has three RJ45 ports stacked up and down, and the rear end of the insulating body has a plug cavity, the plurality of docking terminals include three groups of terminals inserted into three RJ45 ports, the three groups of terminals can be electrically connected to an external circuit board, wherein the first and second groups of terminals are electrically connected through the built-in circuit board module connected to an external circuit board, the third group of terminals is directly connected to the external circuit board, the third group of terminals is located on the lower side of the first and second groups of terminals. the

Further, the built-in circuit board module includes two vertical circuit boards, the first and second groups of terminals are respectively connected to the two vertical circuit boards, and the electrical connector also includes two vertical circuit boards installed on the two vertical circuit boards. The mounting terminals at the lower end of the vertical circuit board, the first and second groups of terminals are electrically connected to the mounting terminals, and the third group of terminals is located on the front side of the vertical circuit board. the

Further, the three RJ45 ports include an upper port, a middle port and a lower port, the first, second and third groups of terminals are respectively inserted into the upper port, the middle port and the lower port, each group of terminals has a The free ends of the first group of terminals face up, the free ends of the second group of terminals face down, and the free ends of the third group of terminals face down. the

Further, the built-in circuit board module further includes a transformer and a common-mode suppressor installed on each vertical circuit board, and the first and second groups of terminals are electrically connected to the installation terminals through the transformer and the common-mode suppressor. the

Further, the built-in circuit board module has a vertical circuit board facing three RJ45 ports, the first and second groups of terminals are connected to the front side of the vertical circuit board, and the electrical connector also has a The mounting terminals on the rear side of the vertical circuit board, and the third group of terminals are located on the front side of the vertical circuit board. the

Further, the three RJ45 ports include an upper port, a middle port and a lower port, the first, second and third groups of terminals are respectively inserted into the upper port, the middle port and the lower port, each group of terminals has a The free ends of the first group of terminals face up, the free ends of the second group of terminals face up, and the free ends of the third group of terminals face down. the

Further, the built-in circuit board module further includes a transformer and a common-mode suppressor installed on the rear side of the vertical circuit board, and the first and second groups of terminals are electrically connected to the installation terminals through the transformer and the common-mode suppressor. the

Further, the rear side of the vertical circuit board has two rows of conductive sheets arranged in the up and down direction, the wire ends of the transformer and the common mode suppressor are respectively welded on the two rows of conductive sheets, and the vertical circuit board is also A positioning hole is provided on the lower side of the conductive sheet, and the insulating body has a positioning column matched with the positioning hole. the

Further, the electrical connector also has an indicating device for indicating the first port and the second port, and the indicating device is a light pipe or an LED lamp. the

Further, the bottom of the front end of the insulating body has a sinking part protruding downward, and the sinking part is used for mounting on an external circuit board in a sinking manner. the

Compared with the prior art, the utility model proposes a solution to the terminal arrangement of the 3XN type electrical connector. the

【Description of drawings】

Fig. 1 is a perspective view of the first embodiment of the utility model. the

FIG. 2 is an exploded view of the electrical connector shown in FIG. 1 . the

FIG. 3 is an exploded view from another perspective of the electrical connector shown in FIG. 2 . the

FIG. 4 is an exploded view of the terminal module and the external circuit board shown in FIG. 2 . the

Fig. 5 is a perspective view of the second embodiment of the utility model. the

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

FIG. 7 is an exploded view of the terminal module and the external circuit board shown in FIG. 6 . the

FIG. 8 is an exploded view from another perspective of the terminal module and the external circuit board shown in FIG. 7 . the

【Description of main component symbols】

Insulation Body 1, 1' Storage Chamber 221

Electrical connector 100, 100’ mating terminal block 23

RJ45 port 11, 11’ insulation block 230

Upper port 111, 111’ The first group of terminals 231, 231’

Middle port 112, 112’ Free end 2311, 2321, 2311’, 2321’, 251, 251’

Lower port 113, 113’ soldering feet 2313, 2411

Receptacle 12, 12’ The second group of terminals 232, 232’

Terminal slot 13 Install terminal block 24, 24’

Bottom 14 Insulator 240, 240’

Sinking part 141, 141’ Installation terminal 241, 241’

Positioning column 142, 142’ The third group of terminals 25, 25’

Terminal module 2, 2’ Mounting feet 252, 252’, 2412

Sinking tank 20, 20’ indicating device 3, 3’

External circuit board 200, 200’ LED lights 31, 31’

Vertical circuit board 21, 21’ Light guide 32

Transformer 211, 211' Shielded shell 4, 4'

Common mode suppressor 212, 212' Front shielding shell 41, 41'

Conductive sheet 213' Rear shielding shell 42, 42'

Positioning hole 214’, 26, 26’ terminal hole 50, 60

The following specific embodiments will further illustrate the utility model in conjunction with the above-mentioned accompanying drawings. the

【Detailed ways】

As shown in Fig. 1 to Fig. 4, the first embodiment of the present utility model. An electrical connector 100 is used to be installed on an external circuit board 200 . The electrical connector 100 includes: an insulating body 1 , a terminal module 2 , an indicating device 3 and a shielding case 4 . the

The front end of the insulative body 1 has three RJ45 ports 11 stacked up and down, and the rear end of the insulative body 1 has a socket cavity 12 , and the socket cavity 12 communicates with the three RJ45 ports 11 through three rows of terminal slots 13 up and down. The bottom 14 of the front end of the insulating body 1 has a sinking plate portion 141 protruding downward and a positioning post 142 positioned at the rear side of the sinking plate portion 141. In the positioning hole 26 , the sinker part 141 can be installed in the sinker groove 20 in a sinker-type manner, and the positioning post 142 can be installed in the positioning hole 26 . the

The terminal module 2 includes a built-in circuit board module and a third group of terminals 25 . The built-in circuit board module includes two vertical circuit boards 21, an intermediate support 22, a docking terminal block 23 and an installation terminal block 24. The two vertical circuit boards 21 are arranged in parallel on the left and right, and the intermediate support 22 is located Between the boards 21 , the docking terminal block 23 is installed on the middle bracket 22 and welded on the vertical circuit board 21 , and the installation 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 installed on the side surface of each vertical circuit board 21 facing the middle bracket 22, and the two sides of the middle bracket 22 are respectively provided with accommodating cavities 221, and the transformers 211 and common-mode suppressors The device 212 can be accommodated 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 and second groups of terminals 231, 232 and the insulating block 230 are formed by insert molding (insert molding). The two sets of terminals 231 and 232 are electrically connected to the external circuit board 200 through the built-in circuit board module. The first and second groups of terminals 231, 232 both include obliquely extending free ends 2311, 2321 located in the RJ45 port 11, embedded parts embedded in the insulating block 230, and soldering feet connected to the vertical circuit board 2313. The installation terminal block 24 has an insulator 240 and an installation terminal 241 fixed on the insulator 240 , and the installation terminal 241 has a welding foot 2411 and an installation foot 2412 . The soldering feet 2411 are mounted on the bottom of the vertical circuit board 21, and the mounting feet 2412 are used to electrically connect to the external circuit board 200. The first and second groups of terminals 231 and 232 are electrically connected to the mounting terminal 241 after being filtered by the transformer 211 and the common mode suppressor 212 on the vertical circuit board 21 . the

The third group of terminals 25 has a free end 251 located in the RJ45 port 11 and a mounting foot 252 for being directly installed on the external circuit board 200. The free end 251 of the third group of terminals 25 extends obliquely downward, and the third group of terminals 25 The mounting feet 252 are divided into two columns, front and back. 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 groups of terminals 231, 232, and 25 are respectively inserted into the upper, middle, and lower ports 111, 112 from back to front. , 113. The free ends 2311 of the first group of terminals 231 face up (Tail Up), the free ends 2321 of the second group of terminals 232 face down (Tail Down), and the free ends 251 of the third group of terminals 25 face down (Tail Down), so set It is convenient to insert and pull out the modular plugs, and the mutual interference is small. The third group of terminals 25 is located on the front side of the vertical circuit board 21 and on the lower side of the first and second groups of terminals 231, 232. By such arrangement, the external circuit board 200 can be matched with the third group of terminals 25. The terminal hole 50 is located at the front side of the terminal hole 60 that is matched with the first and second groups of terminals 231 and 232 . The rear side of the external circuit board 200 often needs to be provided with power supply components or other electronic components, and the third group of terminals 25 is installed on the front side of the external circuit board 200 to avoid the interference of the third group of terminals 25 by the power supply components or electronic components (Layout Hi-POT ), and save space on the rear side for installing more electronic components. the

The indicating device 3 is used to indicate the communication status of the upper port 111 and the middle port 112 , and the indicating device 3 is realized by a patch LED lamp 31 and a light guide 32 . The shielding case 4 includes a front shielding case 41 and a rear shielding case 42 . the

As shown in Fig. 5 to Fig. 8, the second embodiment of the present utility model. The electrical connector 100' is used to be installed on an external circuit board 200', and the electrical connector 100' includes: an insulating body 1', a terminal module 2', an indicating device 3' and a shielding case 4'. the

The front end of the insulating body 1' has three RJ45 ports 11' stacked up and down, and the rear end of the insulating body 1' has an insertion cavity 12', which communicates with the three RJ45 ports 11' through three rows of terminal slots up and down. The bottom of the front end of the insulating body 1' has a downwardly protruding sinking part 141' and a positioning column 142' located on the rear side of the sinking part 141'. The positioning hole 26' on the rear side of the groove 20', the sinking plate portion 141' can be installed in the sinking plate groove 20' in a sinking plate type, and the positioning column 142' can be installed in the positioning hole 26'. the

The terminal module 2' includes a built-in circuit board module and a third group of terminals 25'. The built-in circuit board module has a vertical circuit board 21' facing three RJ45 ports 11', the front surface of the vertical circuit board 21' is welded with a first group of terminals 231', a second group of terminals 232' A transformer 211' and a common-mode suppressor 212' are installed on the rear surface of the vertical circuit board 21', and a terminal block 24' is installed under the transformer 211' and the common-mode suppressor 212'. The installation terminal block 24' has an insulator 240' and an installation terminal 241' held on the insulator 240'. The first and second groups of terminals 231' and 232' pass through the transformer 211', the common mode suppressor 212' and the installation terminal 241' It is electrically connected to the external circuit board 200'. The third group of terminals 25' is located on the front side of the vertical circuit board 21' and is 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 wire ends (not shown) of the transformer 211' and the common mode suppressor 212' are welded to the two rows respectively. On the conductive sheet 213'. The vertical circuit board 21' is also provided with a positioning hole 214' located on the side of the conductive sheet 213', and the insulator 240' has a positioning post (not shown) matching the positioning hole 214'. the

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 groups of terminals 231', 232' and 25' are respectively inserted into the upper, middle and lower ports 111', 112', 113'. Each group of terminals 231', 232', 25' has free ends located in the upper, middle and lower ports 111', 112', 113', and the free ends 2311' of the first group of terminals 231' face upward (Tail Up ), the free ends 2321' of the second group of terminals 232' face up (Tail Up), and the free ends 251' of the third group of terminals 25' face down (Tail Down). The third group of terminals 25' also has mounting feet 252' for electrically connecting to an external circuit board 200'. the

The indicating device 3' is used to indicate the communication situation of the upper port 111' and the middle port 112', and the indicating device 3' is a perforated welding type LED lamp 31'. The shielding shell 4' includes a front shielding shell 41' and a rear shielding shell 42'. the

Compared with the first embodiment, the second embodiment has fewer elements and lower cost. the

Claims (10)

1. electric connector, it comprises: an insulating body and some butt joint terminals, it is characterized in that: the front end of described insulating body has three RJ45 ports of stacked on top, the rear end of described insulating body has slotting chamber, described some butt joint terminals comprise three groups of terminals that are inserted in three RJ45 ports, these three groups of terminals can be electrically connected to a external circuit board, wherein first, second group of terminal is electrically connected to the external circuit board by the internal circuit board module, the 3rd group of terminal is connected directly to the external circuit board, and described the 3rd group of terminal is positioned at first, the downside of second group of terminal.

2. electric connector as claimed in claim 1, it is characterized in that: described internal circuit board module comprises two vertical circuit boards, described first, second group terminal is connected to respectively on two vertical circuit boards, described electric connector also comprises the mounting terminal that is installed in two vertical circuit board lower ends, first, second group terminal is electrically connected at mounting terminal, and described the 3rd group of terminal is positioned at the front side of vertical circuit board.

3. electric connector as claimed in claim 2, it is characterized in that: described three RJ45 ports comprise upper port, middle port and lower port, first, second and third group of terminal is inserted in upper port, middle port and lower port respectively, all has the free end that is positioned at each port in every group of terminal, first group of terminal free ends up, second group of terminal free ends down, the 3rd group of terminal free ends is down.

4. electric connector as claimed in claim 2, it is characterized in that: described internal circuit board module also comprises transformer and the common mode inhibition device that is installed on each vertical circuit board, and first, second group terminal is electrically connected to mounting terminal by transformer and common mode inhibition device.

5. electric connector as claimed in claim 1, it is characterized in that: described internal circuit board module has a vertical circuit board that faces three RJ45 ports, first, second group terminal is connected in the leading flank of vertical circuit board, this electric connector also has the mounting terminal that is installed on vertical circuit board trailing flank, and described the 3rd group of terminal is positioned at the front side of vertical circuit board.

6. electric connector as claimed in claim 5, it is characterized in that: described three RJ45 ports comprise upper port, middle port and lower port, first, second and third group of terminal is inserted in upper port, middle port and lower port respectively, all has the free end that is positioned at each port in every group of terminal, first group of terminal free ends up, second group of terminal free ends up, the 3rd group of terminal free ends is down.

7. electric connector as claimed in claim 5, it is characterized in that: described internal circuit board module also comprises transformer and the common mode inhibition device that is installed on the vertical circuit board trailing flank, and first, second group terminal is electrically connected to mounting terminal by transformer and common mode inhibition device.

8. electric connector as claimed in claim 7, it is characterized in that: have two row's conducting strips of arranging along the vertical direction on the trailing flank of described vertical circuit board, the end of a thread of described transformer and common mode inhibition device is welded in respectively on two row's conducting strips, described vertical circuit board also is provided with the location hole that is positioned at the conducting strip downside, and described insulating body has the reference column that cooperates with location hole.

9. as claim 3 or 6 described electric connectors, it is characterized in that: described electric connector also has the indicating device that is used to indicate first, second port, and this indicating device is light pipe or LED lamp.

10. electric connector as claimed in claim 1 is characterized in that: the bottom of the front end of described insulating body has a heavy board that protrudes downwards, and this heavy board is used for heavy board-like the external circuit board that is installed on.

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