JP2003187925A - Electric connector combination - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric connector combination which can be stably mounted to an electric circuit board, capable of reducing the effect of circuit board against the layout of an inner layer circuit. <P>SOLUTION: The electric connector combination comprises a first connector, a second connector, a first and a second terminal modules capable of inserting RJ-11 type plug connector and RJ-45 type plug connector into the first connector and the second connector respectively, and an insulation main body. The insulation main body has a first part and a second part capable of housing a first housing cavity and a second housing cavity of the terminal modules respectively. An opening for housing a cable combination, connected with an external part, is formed at the back end surface the first part of the insulation main body, and the first terminal module can be electrically connected to the other electronic device by the cables of the cable combination, and the second terminal module is electrically connected to the circuit board by soldering through a soldering part extended from the bottom part of it. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a kind of electrical connector combination, and in particular to a kind of RJ-45 type and RJ-type.
The present invention relates to an electrical connector combination in which 11 type modularized receptacle connectors are installed in parallel.

[0002]

2. Description of the Related Art An electrical connector combination in which RJ-45 type and RJ-11 type modularized receptacle connectors are installed in parallel has already been widely applied to an input / output interface of a notebook PC. The RJ-45
The type receptacle connector is used for transmission of a communication network, whereas the RJ-11 type receptacle connector is used for transmission of a wired telephone network.

Conventionally, the above-mentioned connector combination has been assembled on a printed circuit board by a through-hole soldering method. However, in the through-hole soldering method, if a plurality of through-holes are penetrated through the circuit board and the through-hole area is too large in the circuit board, the layout of the lines on the circuit board is affected and the number of circuit boards increases. , Which can be adversely affected by the development of smaller notebooks. Therefore, in the industry, instead of the traditional method of soldering the combined through hole of the electric connector to the circuit board, by adopting the combination connection method of the cable and these electric connectors, the circuit board is opened when the through hole is opened. It is possible to avoid the influence of defects given to the internal circuit,
The electrical connector, which is connected by a cable connection method, is provided with a convex column conventionally provided on the bottom surface of the insulating body, in combination with a circuit board, or with the protrusions provided on both sides of the insulating body to engage with the airframe. However, the fixing effect is poor and it is inferior to the through-hole soldering method.

[0004]

In order to overcome the above-mentioned problems, it is already known in the industry that the influence of the electric circuit board on the circuit layout should be made as small as possible, and at the same time, the electric connector combination should be stably assembled to the circuit board. It was a problem that engineers had to solve.

It is an object of the present invention to provide a kind of electric connector combination, which can be stably assembled to an electric circuit board, and at the same time, reduce the influence on the layout of the inner layer circuit of the circuit board.

[0006]

The electrical connector combination of the present invention includes a first connector and a second connector, and by installing the electrical connector on an electrical circuit board, an RJ type plug connector can be inserted and at least attached. Insulation body, first, second
Including members such as terminal modules. The insulating body is first
A first and a second accommodating cavity having a portion and a second portion, the first and second accommodating cavities respectively corresponding to the RJ-type plug connector are installed in the first and second portions of the insulating body; , Each of which is housed in the first and second portions of the insulating body, each terminal module includes a plurality of conductive terminals, and each of the conductive terminals extends into the housing cavity and has an abutment plug connector. A first connector of the insulating body and a first terminal module, and a second connector of the second body of the insulating body and a second terminal module. including. The conductive terminal of the first connector is connected to and electrically connected to the cable core wire, and the conductive terminal of the second connector has a welded portion that extends downwardly and is exposed on the bottom surface of the insulating body. , Soldered to a circuit board for electrical connection.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION As shown in FIGS. 1 to 4, an electrical connector combination 1 of the present invention comprises a first connector and a second connector installed in parallel. In the present embodiment, the first connector is an RJ-11 type socket used for transmitting a wired telephone network, and the second connector
The connector is an RJ that is used for transmission on the communication network.
It is a -45 type socket. The electrical connector combination 1 includes an insulating main body 10 including first and second portions installed in parallel, first and second terminal modules 21 and 22 assembled in the insulating main body, and an external connection cable assembly. Thirty
Cable fixing device 31, shield 40, signal indicating device 50, and fixing key 60 for fixing the signal indicating device 50
including. The first connector includes members such as a first portion of the insulating main body 10, a first terminal module 21, a cable fixing device 31, and a shield 40 that covers the peripheral portion of the first portion of the insulating main body 10. The second connector is
The second portion of the insulating main body 10, the second terminal module 22, and a member such as the shield 40 that covers the peripheral portion of the second portion of the insulating main body 10 are included.

The insulating main body 10 is formed into a substantially rectangular parallelepiped, and includes a front end face 101, a rear end face 102, a top portion 103 adjacent to the front end face and the rear end face, a bottom portion 104, and each outer wall 105. In the first and second portions of the insulating body, first and second accommodating cavities 11 opened in the front end face 101,
Since 12 are provided, RJ-11 type and RJ type, respectively
It is possible to accommodate the first and second terminal modules 21 and 22 that are in contact with the −45 type plug connector. The first terminal module 21 can be electrically connected to another electric device by the external connection cable assembly 30, and the second terminal module 22 is soldered onto the printed circuit board.

A plurality of slits 112 are formed in the rear end surface of the first housing cavity 11 of the insulating body 10. Slit 112 located inside the accommodation cavity 11
When the first terminal module 21 is assembled to the insulating main body 10 from the rear end surface 102, the free end portions of the contact portions 213 of the terminals are passed through, and further, their end portions are brought into contact with the top ends of the slits 112, The contact portion 213 can be kept flush with each other, and the slit 112 on the outside of the housing cavity 11 is used for housing the contact portion 215 of the first terminal module 21. The rear end surface 102 of the insulating body 10 has a contact portion 215 of the terminal.
A housing opening 13 capable of housing the external connection cable assembly 30 is installed at a position close to the opening 112, and a pair of vertically extending guide grooves 131 are provided on both sides of the opening 13 and near the slit 112. Is installed and the rear end face 10
A pair of substantially L-shaped recesses 132 are formed in a portion in close contact with 2, and a pair of engagement ports 133 are further recessed inward at the upper part of the recesses 132. The guide groove 131, the recess 132, and the engagement opening 133 are ribs 314 of the cable fixing device 31 of the external connection cable assembly 30, respectively.
, The arm 315 is engaged with the locking end 316 of the arm top end (see FIG. 4). A recessed portion 111 is formed at the bottom of the first housing cavity 11 of the insulating body, and a pair of channels 113 penetrating the rear end surface 102 of the insulating body are installed in the insulating body on both sides of the recessed portion 111, whereby the first terminal module 21 Elongated ridges 21 on both sides of the bottom plate 211
6 can be engaged with each of the channels 113 to fix the first terminal module 21 in the first receiving cavity 11.

When a plurality of slits are similarly installed at the rear end of the second accommodating cavity 12 of the insulating main body and the second terminal module 22 is incorporated into the insulating main body 10 from the bottom, the free end of the terminal contact portion 223 is formed. The contact portion 2 by passing the end portion and abutting the end portion on the top end thereof.
It can be ensured that 23 is flush. A recess 121 for accommodating the second terminal module 22 is also formed in the bottom of the second accommodating cavity 12 of the insulating body, and the extending portions 227 of the second terminal module 22 are accommodated on both sides close to the front end face 101 of the insulating body. A pair of cutouts 123 are recessed,
The bottom plate 2 of the second terminal module is provided on both sides of the recess 121.
Slot 1 for engaging the elongated ridges 226 on both sides of 21
24 are installed. In addition, a pair of through-grooves 14 penetrating the rear end surface 102 of the insulating body is provided in the rear portion of the second accommodation cavity 12.

On both sides of the insulating main body top portion 103 positioned above the second accommodating cavity 12, stepped concave grooves 15 penetrating the front and rear end faces are provided, and are used for accommodating the signal indicating device 50. It is fixed by the fixed key 60. Since the plurality of convex blocks 16 are installed in parallel on each outer wall 105 of the insulating main body, the convex blocks 16 engage with the corresponding fixing openings of the shield 40.
In addition, a plurality of locking holes 17 are provided around the bottom of the insulating main body 104.
Since it is possible to accommodate the partial insertion pin 44 of the shield body by providing a recess, the shield body 40 can tightly cover the outside of the insulating main body 10.

The first terminal module 21 includes a bottom plate 211 and a plurality of conductive terminals 212 insert-molded on the bottom plate 211. Each of the terminals has a contact portion 213 capable of making an electrical contact with the contacted plug connector, and the contact portion 213.
A connecting portion 214 integrally extending from the connecting portion 214 and fixed to the bottom plate 211 made of an insulating material, and an elastic contact portion 215 extending obliquely upward from the connecting portion 214. The contact portion 213 extends obliquely upward from one end of the connection portion 214 and extends at a substantially acute angle with the connection portion 214,
The contact portion 215 extends from the other end of the connection portion 214,
It is bent upward to make an acute angle with the connecting portion 214. Further, a pair of elongated ridges 216 that are locked in the insulating main body 10 are provided at positions where both sides of the bottom plate 211 are close to each other at the rear end portion. The structures of the second terminal module 22 and the first terminal module 21 are substantially the same, and likewise includes a bottom plate 221 and a plurality of conductive terminals 222 insert-molded on the bottom plate 221. Each of the terminals includes a contact part 223, a connection part 224 and a soldering part 225, and the contact part 223 and the connection part 224 are configured the same as the contact part 213 and the connection part 214 of the first terminal module, and , The soldering portion 22 of the second terminal module 22
5 is bent downward from the connection portion 224 and extends a predetermined length for soldering to the circuit board. The extension blocks 227 extend forward in both sides of the front end portion of the bottom plate 221 of the second terminal module 22, and a pair of elongated ridges 226 are provided at the center bottom end portions on both sides of the bottom plate 221. In addition, a pair of locking posts 228 is formed from the rear portion of the bottom plate 221 upward.
And a pair of hooks 229 project outward from the top end of the hook, so that they can be engaged with a member provided in the second accommodating cavity 12 of the insulating body and corresponding to the hook.

The shield 40 is stamped from a metal plate. A side wall 41 of the shield 40 including a corresponding pair of side walls 41, a front surface 42 adjacent the side walls and a top surface 43.
A plurality of insertion pins 44 are extended downward, and the insertion pins 44 of the portion are inserted into the insertion opening corresponding to the circuit board and soldered to thereby connect the electric connector combination 1 and the circuit board. Connection stability can be improved.
Further, the front surface 42 of the shield is provided with insertion ports 45 and 46 corresponding to the first and second accommodating cavities 11 and 12 of the insulating body, and is bent inward in the middle portions on both sides of these insertion ports. By extending the plurality of positioning pieces 47, it is possible to elastically press the contact plug connector when the contact plug connector is inserted, thereby achieving the effect of assisting the positioning.

Still referring to FIGS. 4-6, the external connection cable assembly 30 includes a cable retainer 31 and a cable 32. The cable fixing device 31 has a stepped base 311, and the base 311 is provided on one side facing the contact portion 215 of the conductive terminal of the first terminal module 21.
A plurality of elongated accommodating holes 312 for accommodating the abutting part 215 are provided, and a plurality of accommodating holes 312 are provided on the top surface of the base 311 and further through the front and rear surfaces of the base 311 and communicate with the accommodating holes 312. The through groove 317 is installed. These accommodation holes 3
A plurality of circular through holes 313 that penetrates from the upper side to the lower side and communicates with the accommodation holes 312 are installed on the rear side portion of the base 311 close to 12. The accommodation hole 312 and the through groove 317
The circular through hole 313 also accommodates and positions the cable 32. At the same time, the guide groove 13 corresponding to the insulating body 10 is formed on both sides of the front end of the base 311.
1 is provided with a rib 314, and an arm 315 fixed in the recess 132 of the insulating body is installed on both sides of the rear end of the base 311. By installing the locking end 316 that engages in the engaging opening 133 of the cable fixing device 31, the cable fixing device 31 is fixed and positioned in the insulating main body 10 using the above structure. The cable 32 includes a plurality of lead wires 321. The lead wires 321 are sandwiched so as to be fixed between the cable fixing device 31 and the accommodation opening 13 of the insulating body,
In addition, the end of the lead wire 321 is accommodated in the accommodation hole 312 and the through groove 317 of the cable fixing device 31, and the insulating layer is peeled off to expose the conductive core wire 322. The conductive core wires 322 can be stably electrically connected by being elastically pressed by the contact portion 215 of the conductive terminal into the accommodation hole 312.

When assembling the connector, first of all,
The elongated ridges 2 on both sides of the bottom plate 211 of the terminal module 21
16 is assembled in the insulating main body 10 from the rear to the front while following the direction of the channel 113 corresponding to both sides of the bottom end of the first accommodating cavity 11 of the insulating main body. Since the end of the contact portion 213 of the conductive terminal is electrically connected to the contact plug connector, it is accommodated in the slit 112 inside the rear end of the accommodation cavity, and the contact portion 215 is exposed in the accommodation opening 13. . Then, the second terminal module 22 is
The recess 121 at the bottom of the housing cavity 12 is assembled to the insulating main body 10 from below to above, and the extension blocks 227 on both sides of the front end portion of the bottom plate 221 of the second housing cavity 1 are
The elongated ridges 226 on both sides of the bottom plate 221 are inserted into the notches 123 corresponding to the front end of the second plate 221 to engage with the slots 124 corresponding to the receiving cavities, and the bottom plate 221
The hook portion 229 at the top end of the locking column 228 extending upward from the rear portion is engaged with a member corresponding to the inside of the second accommodating cavity of the insulating main body, so that the second terminal module 22 is disposed inside the insulating main body 10. It is fixed and positioned at. Further, the signal indicating device 50 is assembled in the groove 15 at the top of the insulating body, and the signal indicating device 50 is fixed by the fixing key 60. Finally, the shield 40
Since the insulating main body 10, the signal indicating device 50, and the fixed key 60 are covered on the outside, the electric connector combination 1 can be connected to the fixed connection.

Referring also to FIG. 7, in the contacting process of the external connection cable assembly 30 and the electric connector combination 1, first, a part of the insulating layer of the plurality of lead wires 321 is peeled off and the conductive core wire 322 is removed. Exposing the lead wire 3
21 is exposed at one end of the core wire 322 and the cable fixing device 3
One circular through hole 313 is installed from the upper end, the circular through hole 313 is penetrated downward, folded back in the opposite direction, and installed in the accommodation hole 312. Further, the top end of the core wire 322 is attached to the base 3
It is clamped in the through groove 317 of No. 11. The lead wire 32
The cable fixing device 31 in which 1 is assembled is inserted from the top portion 103 of the insulating body downward along the guide groove 131 to the insulating body. The arm 315 of the cable fixing device 31 is accommodated in the recess 132 in the insulating body, and the engaging end 316 thereof is installed in the insulating body.
, The cable fixing device 31 to which the lead wire 321 is attached is fixedly assembled to the insulating main body 10. Further, as shown in FIG. 8, at this time, the contact portion 215 of the conductive terminal of the first terminal module 21 has the conductive core wire 32.
It comes into contact with 2. Furthermore, since the terminal connection portion 214 is embedded in the bottom plate 211 of the terminal module,
When the terminal contact portion 215 contacts the core wire 322,
Since elastic deformation is caused by the pressing, a larger elastic force is generated. Correspondingly, the core wire is fixedly sandwiched between the contact portion 215 of the terminal and the accommodation hole 312 of the cable fixing device via this elastic force, whereby the conductive terminal 2
Since the 12 and the lead wire can be in constant electric contact with each other, a more excellent conductive function is provided.

As described above, the circuit board and the circuit board are fixedly assembled together by the electric connector combination structure which is connected to the cable or is soldered to the circuit board through the through holes and installed in parallel. Since the influence on the circuit layout of the inner layer is small and the cable combination is incorporated in the accommodation opening since the electric connector is soldered to the circuit board, the high temperature generated during the soldering process does not adversely affect the material. It can be avoided.

The above-described embodiment is merely a better embodiment of the present invention, and any modification or change of details that can be made by those who are familiar with the technology of the present invention based on the present invention can be applied to the present invention. Of the claims.

[Brief description of drawings]

FIG. 1 is a perspective assembly view of an electrical connector combination of the present invention.

FIG. 2 is a perspective exploded view of the electrical connector combination of the present invention.

FIG. 3 is a perspective assembly view of the electrical connector combination of the present invention seen from another angle.

FIG. 4 is a perspective assembly view of an external connection cable assembly of the electrical connector combination of the present invention.

5 is a front view of the external connection cable assembly of FIG.

FIG. 6 is a top view of the external connection cable assembly of FIG.

FIG. 7 is a perspective assembly view showing a state in which the cable connector combination of the present invention and the external connection cable assembly are incorporated.

8 is a cross-sectional view taken along line VIII-VIII shown in FIG.

[Explanation of symbols]

10 Insulation body 11 First storage cavity 12 Second storage cavity 13 accommodation opening 14 through groove 15 groove 16 convex block 17 Lock 21 1st terminal module 30 External connection cable assembly 31 Cable fixing device 32 cables 40 Shield 41 Side wall 42 front surface 43 top 44 Insertion pin 45,46 insertion slot 47 Positioning piece 50 signal indicating device 60 fixed key 101 front end face 102 rear end face 103 top 104 bottom 105 side wall 111, 121 concave 112 slits 113 channels 123 Notch 124 slots 131 Guide groove 132 recess 133 fixed mouth 211,221 Bottom plate 212, 222 Conductive terminal 213, 223 contact part 214, 224 connection 215 Contact part 216, 226 elongated ridges 225 Soldering part 227 Stretch block 228 Locking pillar 229 hook 311 base 312 accommodation hole 313 circular through hole 314 rib 315 arm 316 Engaging end 317 through groove 321 lead wire 322 Conductive core

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Claims (9)

[Claims] 1. An electrical connector combination used for inserting and inserting an RJ type plug connector, which is installed on a circuit board, comprising at least an insulating body and a member such as a first terminal module. The main body has a first portion with an R inside
A first receiving cavity is formed to receive a corresponding J-type plug connector, the first terminal module is received in the first portion of the insulating body, and each terminal module includes a plurality of conductive terminals. Further, each of the conductive terminals is extended into the first accommodating cavity and includes a contact portion capable of being electrically connected to the abutment plug connector, and the conductive terminals are electrically connectable to the cable core wire. The connector includes a connector, at least an insulating body, and a member such as a second terminal module, and the insulating body includes a second portion, and an R inside the second portion.
Forming a second housing cavity for correspondingly housing a J-type plug connector, wherein the second terminal module is housed within the second portion of the insulating body, each terminal module including a plurality of conductive terminals; Further, each of the conductive terminals is extended into the second accommodating cavity, and includes a contact portion that can be electrically connected to the abutment plug connector, and a soldering portion that extends downward from the bottom surface of the insulating body and is exposed. A second connector which is soldered to a circuit board via the soldering portion and is electrically connectable thereto, the electric connector combination. 2. The first connector is an RJ-11 type receptacle connector, and the second connector is an RJ-45.
The electrical connector combination of claim 1, wherein the electrical connector combination is a mold receptacle connector. 3. The first connector and the second connector,
The electrical connector combination according to claim 2, wherein the electrical connector combinations are installed in parallel. 4. The first connector further includes a cable fixing device for fixing a cable core wire, and the first portion of the insulating body is provided with a cable fixing device corresponding to the cable fixing device.
The electrical connector combination according to claim 1, wherein an accommodation opening for accommodating the cable fixing device is provided. 5. A pair of guide grooves are provided at the front end portions on both sides of the accommodation opening, a pair of substantially L-shaped recesses are provided at the rear end portions, and a pair of guide grooves are further provided inwardly of the insulating main body at the upper portion thereof. 5. The electrical connector combination according to claim 4, wherein said fixing port is recessed. 6. The cable fixing device comprises a base,
A pair of ribs capable of accommodating the guide groove is installed at the front end thereof, a pair of arms that can be fixed in the recess are installed at the rear end, and a pair of arms that can be further engaged in the fixing port at the top end of the arm 6. An electrical connector combination as claimed in claim 5, characterized in that the engagement ends of are provided. 7. The first terminal module and the second terminal module each include a bottom plate in which conductive terminals are insert-molded, and both of the conductive terminals of the first terminal module and the conductive terminals of the second terminal module are provided. The electrical connector combination according to claim 1, wherein a connection part formed by insert molding is installed on the bottom plate. 8. The electrical connector according to claim 7, wherein the first terminal module includes an abutting portion that extends obliquely upward from the connecting portion and that can elastically abut the cable core wire. combination. 9. The electrical connector combination according to claim 1, wherein the outside of the insulating body is covered with a shield.