TWI509905B - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector having a terminal module structure.

The Chinese Patent No. CN101248559, published on Aug. 20, 2008, discloses an electrical connector comprising a body, a terminal module disposed on the body, and a circuit board, the terminal module including a plurality of docking terminals and a holding butt terminal The positioning block is provided with a holding portion that can cooperate with the circuit board and extends downward. The Chinese Utility Model Patent No. CN201708315, published on Jan. 12, 2011, discloses an electrical connector which can be surface-welded to a circuit board, the electrical connector comprising an insulative body and a terminal module housed in the insulating body The terminal module includes a terminal and a positioning component for holding the terminal, the positioning component is provided with a positioning block, and the positioning block is provided with a holding portion extending downward to position the terminal module on the circuit board. In the prior art, the positioning block is only provided with one holding portion, which is easy to cause the positioning structure accommodated in the electrical connector to be unstable and easy to cause shaking.

In view of the above problems, it is necessary to improve the prior art to overcome the above drawbacks.

The technical problem to be solved by the present invention is to provide an electrical connector with a more stable positioning structure.

In order to solve the above technical problem, the present invention can adopt the following technical solution: an electrical connection a connector that can be mated with a mating connector, the electrical connector including an insulative housing, a terminal module disposed at a rear end of the insulative housing, the terminal module including an insulating member, a built-in circuit board disposed on the insulating member, and mounting a positioning component on the insulating member, the positioning component includes a plurality of docking terminals and a positioning block holding the docking terminal, the docking terminal includes an abutting portion mated with the mating connector, and a soldering portion surface solderable to the built-in circuit board Connecting a connecting portion of the abutting portion and the welding portion, the positioning block is provided with a main body portion and a first holding portion extending downward from the main body portion, and a second holding portion extending forward from the main body portion, the first holding portion The portion cooperates with the built-in circuit board to position the positioning assembly on the built-in circuit board, and the second holding portion cooperates with the insulative housing to connect the positioning assembly to the insulative housing.

Compared with the prior art, the positioning block of the electrical connector of the present invention comprises a first holding portion that cooperates with the built-in circuit board and a second holding portion that cooperates with the insulating body, so that the positioning effect of the positioning assembly is more stable.

The specific implementation is as follows: the first holding portion extends from both ends of the main body portion, and the built-in circuit board has a notch that can cooperate with the first holding portion on both sides of the front edge thereof.

The insulating body is provided with an abutting surface, a rear wall opposite to the abutting surface, and a side wall connecting the abutting surface and the rear wall, wherein the second holding portion extends from both ends of the main body portion, and the rear wall is provided with the receiving body The abutment groove of the second holding portion.

The insulating body and the insulating member are in a snap fit.

The insulating member is provided with a receiving groove, and the rear wall of the insulating body is provided with a boss that is snap-fitted with the receiving groove.

The insulative housing further includes a self-docking surface recessed for insertion into the docking connector The receiving cavity and the plurality of guiding slots for receiving the mating terminal, the abutting portion of the mating terminal extends through the guiding slot into the receiving cavity of the insulating body.

The docking terminal further includes a first extending portion that is bent upwardly along the welded portion, a second extending portion that extends beyond the main body portion of the positioning block and further bent forward, and the second extending portion is bent and coupled with the mating connector The mating abutting portion includes a first extending portion and a second extending portion.

The built-in circuit board is provided with a plurality of conductive sheets on a front edge thereof, and the soldering portion of the mating terminal and the conductive sheet are subjected to the aforementioned surface soldering.

The electrical connector further includes a plurality of light-emitting devices, the light-emitting device is provided with an indicator light and a conductive pin for connecting the indicator light, and the side wall of the insulating body is provided with a groove for receiving the indicator light and a channel for receiving the conductive pin.

The electrical connector further includes a mask housing covering the insulative housing and the terminal module, the mask housing including a front housing and a rear housing that cooperate with each other.

100‧‧‧Electrical connector

1‧‧‧Insulating body

11‧‧‧ docking

110‧‧‧ containment chamber

111‧‧‧ docking socket

12‧‧‧Upper wall

13‧‧‧ Back wall

131‧‧‧Abutment slot

133‧‧‧Boss

135‧‧‧ Guide slot

16‧‧‧ side wall

161‧‧‧ Groove

163‧‧‧ channel

2‧‧‧Terminal module

21‧‧‧Insulation

211‧‧‧ lower surface

2111‧‧‧Installation column

212‧‧‧ Built-in board

2121‧‧‧Electronic components

2123‧‧‧Electrical hole

2125‧‧‧Electrical sheet

213‧‧‧ Assembly surface

2131‧‧‧ accommodating slots

214‧‧‧Transfer terminal

215‧‧ ‧ notch

23‧‧‧ Positioning components

230‧‧‧Docking terminal

231‧‧‧Docking Department

233‧‧‧Weld Department

235‧‧‧Connecting Department

2351‧‧‧First Extension

2353‧‧‧Second extension

240‧‧‧ Positioning block

241‧‧‧ Main body

243‧‧‧First Holding Department

245‧‧‧Second holding unit

3‧‧‧ indicating device

31‧‧‧ indicator lights

33‧‧‧Electrical pins

4‧‧‧mask housing

41‧‧‧ front housing

43‧‧‧ Rear housing

5‧‧‧External circuit board

The first figure is a perspective view of an electrical connector in accordance with the present invention assembled to an external circuit board.

The second figure is a partially exploded view of another perspective view of the electrical connector shown in the first figure.

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

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

Referring to the first to fourth figures, in an electrical connector 100 in accordance with the present invention, the electrical connector 100 can be mounted to an external circuit board 5 and can be mated with a mating connector (not shown). The device 100 includes an insulating body 1 and a finger housed in the insulating body 1 The display device 3 includes a terminal module 2 disposed at the rear end of the insulative housing 1 and a mask case 4 covering the insulative housing 1 and the terminal module 2 .

The terminal module 2 includes an insulating member 21, a built-in circuit board 212 disposed on the insulating member 21, and a positioning assembly 23 mounted on the insulating member 21. The positioning component 23 includes a plurality of docking terminals 230 and a positioning block 240 for holding the docking terminals 230. In the present embodiment, the mating terminal 230 and the positioning block 240 are integrally formed, thereby reducing the processing steps of the product. Of course, in other embodiments, the mating terminal 230 can also be assembled in the positioning block 240. The positioning block 240 is provided with a main body portion 241, a first holding portion 243 extending downward from the main body portion 241, and a second holding portion 245 extending forward from the main body portion 241. In this embodiment, the Each of the holding portion 243 and the second holding portion 245 extends from both ends of the main body portion 241. The first holding portion 243 cooperates with the built-in circuit board 212 to position the positioning component 23 on the built-in circuit board 212. The second holding portion 245 cooperates with the insulative housing 1 to connect the positioning assembly 23 to the insulative housing 1. .

The docking terminal 230 includes an abutting portion 231 that mates with the mating connector, a soldering portion 233 that can be surface-welded to the built-in circuit board 212, and a connecting portion 235 that connects the mating portion 231 and the soldering portion 233. The docking terminal 230 further includes a first extending portion 2351 extending upwardly along the soldering portion 233, a second extending portion 2353 extending beyond the main body portion 241 of the positioning block 240 and extending forwardly, and a second extending portion 2353. The aforementioned abutting portion 231 is bent and mated with the mating connector, and the connecting portion 235 includes a first extending portion 2351 and a second extending portion 2353. In the embodiment, the positioning block 240 is disposed on the first extension portion 2351.

The insulative housing 1 includes an abutting surface 11 , a rear wall 13 opposite to the mating surface 11 , and an upper wall 12 and a bottom wall extending rearward from the upper and lower sides of the mating surface 11 and connecting the abutting surface 11 and the rear wall 13 (not labeled ), extending from the right and left sides of the butt joint 11 and connecting and docking The side walls 16 of the face 11 and the rear wall 13. The abutting surface 11 is recessed inwardly with a receiving cavity 110 for the mating connector to be inserted. The receiving cavity 110 penetrates the mating surface 11 and forms a mating socket 111 on the mating surface 11 . The rear wall 13 is provided with an abutting groove 131 engageable with the second retaining portion 245 and a boss 133 located below the abutting groove 131. In the embodiment, the rear wall 13 is further provided with a plurality of guiding grooves 135 for receiving the mating terminal 230. Of course, in other modes, the guiding grooves 135 may also be disposed on other walls of the insulative housing 1.

The insulating member 21 is provided with a lower surface 211 and an assembly surface 213 assembled with the insulative housing 1. The lower surface 211 is downwardly convexly provided with a plurality of mounting posts 2111 mountable to the external circuit board 5, the assembly surface 213 A receiving groove 2131 is defined in the recess, and the boss 133 is snap-fitted into the receiving groove 2131.

The built-in circuit board 212 has a notch 215 engaged with the first holding portion 243 on both sides of the front edge thereof, and the positioning component 23 can be positioned on the built-in circuit board 212 to ensure the mating terminal 230 and the built-in circuit board 212. Accuracy when performing surface welding.

The built-in circuit board 212 further includes a plurality of electronic components 2121, conductive holes 2123, and a conductive sheet 2125 surface-welded to the soldering portion 233 of the mating terminal 230, and the conductive sheet 2125 may be disposed to a front edge of the built-in circuit board 212. The insulating member 21 further includes a plurality of switching terminals 214 extending from the lower surface 211, and the switching terminals 214 are electrically conductively coupled to the conductive holes 2123.

The indicating device 3 is configured to display an operating state of the device, and includes an indicator light 31 and a conductive pin 33 connecting the indicator light 31. The side wall 16 of the insulative housing 1 is provided with a recess 161 for receiving the indicator light 31 and a channel 163 for receiving the conductive pin 33.

The mask housing 4 is formed by stamping and bending a metal sheet, and includes a front housing 41 that cooperates with each other. And the rear case 43.

Referring to the third and fourth figures, when the electrical connector is installed, the first holding portion 243 of the positioning block 240 is first mounted on the recess 215 of the built-in circuit board 212 that can be engaged with the first holding portion 243, and then The surface of the soldering portion 233 of the mating terminal 230 is soldered to the internal circuit board 212. The terminal module 2 is assembled to the insulative housing 1 . The second holding portion 245 of the positioning block 240 is received in the abutting slot 131 of the insulative housing 1 . The cradle 133 is received in the accommodating slot 2131 of the terminal module 2, and the mating terminal 230 is received in the guiding slot 135 and the mating portion 231 extends into the receiving cavity 110. The conductive pin 33 is received in the groove 163 in the recess 161 of the side wall 16 of the main body. Finally, the front case 41 and the rear case 43 of the mask case 4 are assembled outside the insulative housing 1 and the terminal module 2. The mask effect has been achieved. In the present invention, the positioning assembly 23 has a first holding portion 243 that cooperates with the built-in circuit board 212 and a second holding portion 245 that cooperates with the insulative housing 1 to connect the positioning assembly 23 to the insulative housing 1, ensuring the positioning assembly 23 It can be positioned more stably in the electrical connector 100, and facilitates the soldering of the mating terminal 230 to the surface of the built-in circuit board 212, and is suitable for mass production.

The figure shows an RJ45 electrical connector that can be mated with a mating connector. However, the present invention is not limited to RJ45 electrical connectors, but should be understood to include all other types of electrical connectors that cooperate with the insulating members based on the present invention. The present embodiment is a preferred embodiment of the present invention. Of course, other embodiments of the present invention may be employed, and details are not described herein again.

100‧‧‧Electrical connector

1‧‧‧Insulating body

11‧‧‧ docking

110‧‧‧ containment chamber

12‧‧‧Upper wall

163‧‧‧ channel

2‧‧‧Terminal module

21‧‧‧Insulation

211‧‧‧ lower surface

213‧‧‧ Assembly surface

2131‧‧‧ accommodating slots

214‧‧‧Transfer terminal

215‧‧ ‧ notch

23‧‧‧ Positioning components

230‧‧‧Docking terminal

231‧‧‧Docking Department

2351‧‧‧First Extension

2353‧‧‧Second extension

243‧‧‧First Holding Department

245‧‧‧Second holding unit

3‧‧‧ indicating device

31‧‧‧ indicator lights

33‧‧‧Electrical pins

41‧‧‧ front housing

43‧‧‧ Rear housing

Claims (10)

An electrical connector that can be mated with a mating connector, the electrical connector comprising: an insulative housing; a terminal module, the terminal module being disposed at a rear end of the insulative housing, the terminal module comprising: an insulating member; a built-in circuit board, the built-in circuit board is disposed on the insulating member; the positioning component is mounted on the insulating component, the positioning component includes a plurality of docking terminals and a positioning block for holding the docking terminal, and the docking terminal comprises a mating portion mated with the mating connector, a soldering portion solderable to the built-in circuit board, and a connecting portion connecting the mating portion and the soldering portion; wherein the positioning block is provided with a main body portion and a first extending downward from the main body portion a holding portion, a second holding portion extending forward from the main body portion, the first holding portion cooperates with the built-in circuit board to position the positioning assembly on the built-in circuit board, and the second holding portion cooperates with the insulating body to The positioning component is connected to the insulative body. The electrical connector of claim 1, wherein the first retaining portion extends from both ends of the main body portion, and the built-in circuit board is openable on the two sides of the front edge thereof The matching recess. The electrical connector of claim 1, wherein the insulative housing is provided with an abutting surface, a rear wall opposite to the abutting surface, and a side wall connecting the abutting surface and the rear wall, wherein the second holding portion is from the main body portion The two ends extend out, and the rear wall is provided with an abutting groove for receiving the second holding portion. The electrical connector of claim 3, wherein the insulating body and the insulating member are snap-fitted. The electrical connector of claim 3, wherein the insulating member is provided with a receiving groove. The rear wall of the insulative housing is provided with a boss that is snap-fitted with the receiving groove. The electrical connector of claim 1, wherein the insulative housing further comprises a receiving cavity for inserting the mating connector from the butting face and a plurality of guiding slots for receiving the mating terminal, and the docking of the mating terminal The portion extends through the guiding groove into the receiving cavity of the insulating body. The electrical connector of claim 1, wherein the butt terminal further comprises a first extension extending upwardly along the weld portion, and a second extension extending beyond the body portion of the positioning block further forwardly And the aforementioned abutting portion bent by the second extending portion and mated with the mating connector, the connecting portion including the first extending portion and the second extending portion. The electrical connector of claim 1, wherein the built-in circuit board is provided with a plurality of conductive sheets at a front edge thereof, and the soldering portion of the mating terminal and the conductive sheet are subjected to the surface soldering. The electrical connector of claim 3, wherein the electrical connector further comprises a plurality of light-emitting devices, the light-emitting device is provided with an indicator light and a conductive pin connecting the indicator light, and the side wall of the insulating body is provided A groove for accommodating the indicator light and a channel for receiving the conductive pin. The electrical connector of claim 1, wherein the electrical connector is further provided with a mask housing covering the insulative housing and the terminal module, the mask housing including the front of the mating Housing and rear housing.