TWI547023B - Conductive Contacts Assembly And Electrical Connector Assembly With The Same - Google Patents

Description

Conductive terminal set and electrical connector combination having the same

The present invention relates to a conductive terminal set, and more particularly to a conductive terminal set having a structure for preventing displacement of a conductive terminal and an electrical connector combination having the conductive terminal set.

With the rapid development of electronic technology, electrical connectors are widely used in electronic products to exchange information, data, and the like with external devices. The electrical connector generally includes an insulative housing, a conductive terminal received in the insulating body, and a housing that covers the outside of the insulative housing. In order to meet the requirements of signal transmission stability, it is necessary to ensure stable connection between the electrical connector and the docking electrical connector, and to prevent the conductive terminal from being displaced, thereby causing poor contact between the conductive terminal of the electrical connector and the conductive terminal of the docking electrical connector. The existing SPF board end connector uses an injection molded holding plate to fix the conductive terminal, but the conductive terminal still horizontally displaces in the holding plate.

In view of this, it is indeed necessary to further improve the existing electrical connector to solve the above problems.

An object of the present invention is to provide a conductive terminal set and an electrical connector assembly having the same, which can prevent horizontal displacement of the conductive terminal in the holding plate, thereby ensuring the conductive terminal and the conductive terminal of the docking electrical connector Make reliable electrical connections.

In order to achieve the above object, the present invention relates to a conductive terminal set, comprising: a plurality of conductive terminals, wherein the conductive terminal comprises a main body portion, an elastic arm formed obliquely from a front end of the main body portion, and a welding formed by bending from a rear end of the main body portion a foot; a holding plate for injection molding to fix the conductive terminal main body portion; wherein the main body portion is provided with at least one protrusion, and the protrusion protrudes from the main body portion toward the adjacent main body portion.

As a further improvement of the present invention, the main body portion is provided with at least one groove, and the groove and the protrusion are located on the same side of the main body portion.

As a further improvement of the present invention, the projections are opposed to the projections of the adjacent main body portions, and the recesses are opposed to the recesses of the adjacent main body portions.

As a further improvement of the present invention, the protrusions are opposed to the grooves of the adjacent body portions, and the grooves are opposed to the protrusions of the adjacent body portions.

As a further improvement of the present invention, the holding plate includes a first holding plate that holds the main body portion and a second holding plate that holds the solder fillet.

As a further improvement of the present invention, the two sides of the first holding plate are provided with inclined guiding faces adjacent to the elastic arms.

In order to achieve the above object, the present invention relates to an electrical connector assembly, comprising: a plurality of stacked electrical connectors, wherein the stacked electrical connector includes an insulative housing and a set of conductive terminals received in the insulative housing, and the conductive terminal group includes a plurality of a conductive terminal and a holding plate for injection molding to fix the conductive terminal, wherein the conductive terminal includes a main body portion, an elastic arm formed obliquely from a front end of the main body portion, and a soldering leg formed by bending from a rear end of the main body portion; and a metal shell The metal casing covers the outer side of the stacked electrical connector; wherein the main body portion is provided with at least one protrusion, and the protrusion protrudes from the main body portion toward the adjacent body portion.

As a further improvement of the present invention, the main body portion is further provided with at least one groove, and the groove and the protrusion are located on the same side of the main body portion.

According to a further improvement of the present invention, the holding plate includes a first holding plate for holding the main body portion and a second holding plate for holding the solder fillet, and the insulating body is provided with a sliding groove for receiving the first holding plate.

As a further improvement of the present invention, the second holding plate is provided with a limiting block and a positioning block. The insulating body is provided with a limiting groove matched with the limiting block and a positioning groove matched with the positioning block.

The conductive terminal of the invention passes through the protrusions and the grooves provided on the conductive terminals, so that the holding plate can hold the conductive terminals more firmly, thereby preventing the horizontal displacement of the conductive terminals in the holding plate, thereby ensuring the conductive terminals and the docking power The conductive terminals of the connector are reliably electrically connected.

1‧‧‧Electrical connector assembly

100‧‧‧Stacked electrical connectors

10‧‧‧Insulated body

11‧‧‧ Main body

111‧‧‧ side wall

112‧‧‧ partition wall

113‧‧‧ top wall

114‧‧‧ containment chamber

115‧‧‧ chute

116‧‧‧ Limit slot

117‧‧‧ positioning slot

118‧‧‧Light pipe storage slot

12‧‧‧Docking Department

121‧‧‧ docking slot

122‧‧‧Electrical terminal receiving slot

123‧‧‧First row of docking

124‧‧‧second row of docking

13‧‧‧First bump

14‧‧‧second bump

141‧‧‧ card slot

20‧‧‧Electrical terminal group

21‧‧‧First conductive terminal set

211‧‧‧Electrical terminals

212‧‧‧Retaining plate

2121‧‧‧First holding plate

2122‧‧‧Second holding plate

2123‧‧‧ Guide surface

2124‧‧‧Limited blocks

2125‧‧‧ Positioning block

213‧‧‧ Main body

2131‧‧‧ bumps

2132‧‧‧ Groove

214‧‧‧Flexible arm

215‧‧‧ solder feet

22‧‧‧Second conductive terminal

221‧‧‧Electrical terminals

222‧‧‧Retaining plate

223‧‧‧ Main body

2231‧‧‧ bumps

2232‧‧‧ Groove

224‧‧‧Flexible arm

225‧‧‧ solder feet

23‧‧‧ Third conductive terminal set

24‧‧‧fourth conductive terminal set

400‧‧‧Metal casing

410‧‧‧Main housing

411‧‧‧ top shell

4111‧‧‧Installation slot

4112‧‧‧ Positioning Department

412‧‧‧ side shell

4121‧‧ ‧ sales

4122‧‧‧Card pieces

4123‧‧‧fixed slot

420‧‧‧ bottom case

421‧‧‧ ‧

422‧‧‧Snap Department

423‧‧‧Perforation

424‧‧‧Perforation

430‧‧‧ rear housing

431‧‧‧First cover

432‧‧‧second cover

433‧‧‧ Third cover

4331‧‧ ‧ sales

434‧‧‧ positioning slot

435‧‧‧ card slot

440‧‧ ‧ partition

441‧‧‧Installation

442‧‧ ‧ sales

443‧‧‧ accommodating space

300‧‧‧Light pipe group

The first figure is a perspective view of the electrical connector assembly of the present invention.

The second figure is a partial exploded view of the electrical connector assembly shown in the first figure.

The third figure is a perspective view of the insulative housing of the electrical connector assembly shown in the first figure.

The fourth figure is a perspective view of another perspective view of the insulative housing of the electrical connector assembly shown in the first figure.

The fifth figure is a perspective view of the conductive terminal set of the electrical connector combination shown in the first figure.

The sixth figure is a perspective view of the first conductive terminal group.

The seventh figure is a schematic diagram of the conductive terminals of the first conductive terminal group.

The eighth figure is a perspective view of the second conductive terminal set.

The ninth diagram is a schematic diagram of the conductive terminals of the second conductive terminal group.

The tenth figure is a perspective view of the metal casing of the electrical connector assembly shown in the first figure.

Figure 11 is a perspective view of the main casing of the metal casing shown in the tenth figure.

Figure 12 is a perspective view of the bottom case of the metal casing shown in the tenth figure.

Figure 13 is a perspective view of the rear housing of the metal casing shown in the tenth figure.

Figure 14 is a perspective view of the partition of the metal casing shown in the tenth figure.

Referring to the first and second figures, the electrical connector assembly 1 of the present invention is an SFP board end electrical connector for soldering to a circuit board (not shown) and to a mating electrical connector (not shown). Show) opposite. The electrical connector assembly 1 includes a plurality of stacked electrical connectors 100, a metal outer casing 400 that is shielded from the outside of the stacked electrical connector 100, and a guide that is interposed between the stacked electrical connector 100 and the metal casing 400. Light pipe group 300.

Referring to the second, third, fourth, and fifth figures, the stacked electrical connector 100 includes an insulative housing 10 and a plurality of conductive terminal sets 20 correspondingly received in the insulative housing 10. The conductive terminal group 20 includes a first conductive terminal group 21, a second conductive terminal group 22, a third conductive terminal group 23, and a fourth conductive terminal group 24 which are arranged in this order from the bottom to the top in the height direction of the insulating body 10. The first conductive terminal group 21, the second conductive terminal group 22, the third conductive terminal group 23, and the fourth conductive terminal group 24 are similar in structure, and the difference between the four is only the first conductive terminal group 21 and the second The heights of the conductive terminal group 22, the third conductive terminal group 23, and the fourth conductive terminal group 24 gradually increase along the height direction of the insulating body 10.

Please refer to the third figure, the fourth figure and the second figure, the foregoing insulating body 10 The main body portion 11 and the abutting portion 12 projecting forward from the front end of the main body portion 11 are included. The main body portion 11 includes two side walls 111, a plurality of partition walls 112 between the two side walls 111, and a top wall 113. The two side walls 111, the plurality of partition walls 112 and the top wall 113 are coextensively formed to correspond to the abutting portion 12. The plurality of receiving cavities 114 accommodate the conductive terminal group 20, and the receiving cavity 114 penetrates the bottom of the insulative housing 10. The side wall 111 and the plurality of partition walls 112 are disposed on opposite sides of the conductive terminal group 20 with a plurality of sliding grooves 115, a limiting groove 116 and a positioning groove 117 which are matched with the conductive terminal group 20 . The plurality of chutes 115 are arranged in this order from top to bottom along the height direction of the insulative housing 10. The plurality of positioning grooves 117 are located at the bottom ends of the side walls 111 and the partition walls 112, and are arranged in order from the front to the rear in the width direction of the insulating body 10. The plurality of limiting slots 116 are located between the sliding slot 115 and the positioning slot 117, and are arranged in order from the front to the rear in the width direction of the insulating body 10. A plurality of light pipe receiving grooves 118 are further disposed on the side wall 111 and the partition wall 112 to receive the rear end of the light guiding tube group 300. The first protrusion 13 and the second protrusion 14 are disposed on the outer side of the sidewall 111. The first protrusion 13 is located at the upper end of the rear side of the sidewall 111, and the second protrusion 14 is located at the sidewall 111. Rear lower end. The second bump 14 is further provided with a holding groove 141 that cooperates with the metal casing 400.

Referring to the second and third figures, the mating portion 12 is formed with a mating slot 121 for receiving a mating electrical connector (not shown). The inner side of the upper and lower sidewalls of the mating slot 121 are respectively provided with a plurality of conductive materials. The conductive terminal receiving groove 122 of the terminal group 20 penetrates the abutting portion 12 and communicates with the receiving cavity 114. In the embodiment, the abutting portion 12 is two rows and four columns in the height direction of the insulative housing 10, and includes a first row of abutting portions 123 on the lower side of the light guiding tube group 300 and the light guiding tube group 300. The second row of docking portions 124 on the upper side. The first conductive terminal group 21 and the second conductive terminal group 22 are accommodated in the foregoing The conductive terminal receiving groove 122 in the row of the abutting portion 123 is bent and extends from the receiving cavity 114 beyond the bottom wall of the insulating body 10. The third conductive terminal group 23 and the fourth conductive terminal group 24 are received in the conductive terminal receiving groove 122 in the second row of butting portions 124, and are bent and extended from the receiving cavity 114 beyond the bottom wall of the insulating body 10.

Referring to the sixth and seventh figures, and in conjunction with the second and fifth figures, the plurality of conductive terminal groups 20 are inserted into the abutting portion 12 from the receiving cavity 114. The first conductive terminal group 21 includes a plurality of conductive terminals 211 and a holding plate 212 that is injection molded to fix the conductive terminals 211. The conductive terminal 211 includes a main body portion 213, an elastic arm 214 extending obliquely from the front end of the main body portion 213, and a solder fillet 215 extending from the rear end of the main body portion 213. The main body portion 213 is provided with a protrusion 2131 protruding toward the adjacent main body portion 213 and a recess 2132 recessed inwardly from the main body portion 213. The protrusion 2131 and the groove 2132 are located on the same side of the main body portion 213. The protrusion 2131 is opposite to the protrusion 2131 of the adjacent body portion 213, and the groove 2132 is opposite to the groove 2132 of the adjacent body portion. Since the main body portion 213 is provided with the protrusion 2131 and the recess 2132, the holding plate 212 can hold the main body portion 213 more firmly, thereby preventing the main body portion 213 from being horizontally displaced in the holding plate 212. A reliable electrical connection between the first conductive terminal set 21 and the conductive terminals of the mating electrical connector is ensured. The elastic arm 214 is received in the conductive terminal receiving groove 122 and partially protrudes into the mating groove 121 so that the conductive terminal 211 is electrically connected to the conductive terminal of the mating electrical connector. The solder fillet 215 extends out of the receiving cavity 114 for soldering to the circuit board.

Referring to the sixth embodiment, the holding plate 212 includes a first holding plate 2121 for holding the main body portion 213 and a second holding plate 2122 for holding the solder fillet 215. The first holding plate 2121 and the second holding plate 2122 are The aforementioned conductive terminal 211 is integrally formed. The aforementioned first holding plate An inclined guiding surface 2123 is disposed on both sides of the 2121 adjacent to the elastic arm 214 to guide the first holding plate 2121 into the sliding groove 115. A limiting block 2124 that cooperates with the limiting slot 116 and a positioning block 2125 that cooperates with the positioning slot 117 are disposed on the two sides of the second holding plate 2122, so as to cooperate with the limiting slot 116 through the limiting block 2124. The positioning block 2125 cooperates with the positioning groove 117 to fix the first conductive terminal group 21 in the insulative housing 10.

Referring to FIG. 8 and FIG. 9 , the second conductive terminal group 22 includes a plurality of conductive terminals 221 and a holding plate 222 that is injection molded to fix the conductive terminals 221 . The conductive terminal 221 includes a main body portion 223, an elastic arm 224 extending obliquely from a front end of the main body portion 223, and a solder tail 225 formed by bending from a rear end of the main body portion 223. The main body portion 223 is provided with a protrusion 2231 protruding toward the adjacent main body portion 223 and a recess 2232 recessed inwardly from the main body portion 223. The protrusion 2231 and the groove 2232 are located on the same side of the main body portion 223. The protrusion 2231 is opposite to the groove 2232 of the adjacent body portion 223, and the groove 2232 is opposite to the protrusion 2231 of the adjacent body portion 223. The main body portion 223 is provided with a protrusion 2231 and a recess 2232, so that the holding plate 222 can hold the main body portion 223 more firmly, thereby preventing the main body portion 223 from being horizontally displaced in the holding plate 222. A reliable electrical connection between the second conductive terminal set 22 and the conductive terminals of the mating electrical connector is ensured. The elastic arm 224 is received in the conductive terminal receiving groove 122 and partially protrudes into the mating groove 121 so that the conductive terminal 221 is electrically connected to the conductive terminal of the mating electrical connector. The solder fillet 225 extends from the receiving cavity 114 for soldering to the circuit board.

Referring to the fifth, sixth, and eighth figures, the holding plate 222 is similar in structure to the holding plate 212. The third conductive terminal group 23 is similar in structure to the first conductive terminal group 21, and the fourth conductive portion is The terminal group 24 is similar in structure to the foregoing second conductive terminal group 22, This will not be repeated here.

Referring to the second and tenth drawings, the metal casing 400 includes a main casing 410 disposed in a U shape, and a bottom casing 420 disposed under the main casing 410 to cooperate with the main casing 410. The housing 430 and the plurality of partitions 440 are disposed behind the main housing 410 to cooperate with the main housing 410.

Referring to FIG. 11 and in conjunction with the tenth embodiment, the main housing 410 includes a top housing 411 and a side housing 412 extending from both sides of the top housing 411. The top case 411 is provided with a plurality of mounting grooves 4111, and a rear end portion thereof is provided with a positioning portion 4112 extending rearward from the top case 411. The bottom end of the side case 412 is provided with a plurality of pins 4121 for soldering to the circuit board, and a rear end of the side case 412 is provided with a holding piece 4122 and a fixing groove 4123. The fixing groove 4123 is matched with the first protrusion 13 , and the bottom side of the side case 412 is inserted into the holding groove 141 , so that the side case 412 is fixed to the insulating body 10 .

Referring to FIG. 12, the bottom case 420 includes a shutter 421 and a buckle portion 422 extending from the two sides of the shutter 421. The buckle portion 422 is connected to the shutter 421. There is a perforation 423 through which the aforementioned pin 4121 passes. A plurality of through holes 424 are also disposed on the shutter 421.

Referring to the thirteenth embodiment, the rear housing 430 includes a first covering body 431 covering the top housing 411, a second covering body 432 covering the side housing 412, and the first cover. The covering body 431 and the third covering body 433 of the second covering body 432 described above. A positioning groove 434 is formed at a position where the first covering body 431 is connected to the third covering body 433, and the second covering body 432 is connected to the third covering body 433. A retaining groove 435 is provided to cooperate with the aforementioned retaining piece 4122 to fix the rear housing 430 to the main housing 410. on. The bottom end of the third covering body 433 is provided with a plurality of pins 4331 for soldering to the circuit board.

Referring to FIG. 14 and the first embodiment, the partition 440 and the main casing 410 and the bottom casing 420 are disposed in a plurality of receiving spaces 443 to receive the front end of the light guiding tube assembly 300. The top end of the partition plate 440 is provided with a mounting piece 441 that cooperates with the aforementioned mounting groove 4111, and a plurality of pins 442 are disposed at the bottom end thereof. The mounting piece 441 is engaged with the mounting groove 4111 to fix the partition plate 440 to the main casing 410. The aforementioned pin 442 passes through the aforementioned through hole 424.

In summary, the conductive terminal set 20 of the electrical connector assembly 1 of the present invention has a protrusion and a groove provided on the conductive terminal, so that the holding plate can hold the conductive terminal more firmly, thereby preventing the conductive terminal from being held. A horizontal displacement occurs in the board to ensure a reliable electrical connection between the conductive terminals and the conductive terminals of the mating electrical connector.

It is to be understood that the equivalents of the invention are intended to be included within the scope of the invention as claimed.

211‧‧‧Electrical terminals

213‧‧‧ Main body

2131‧‧‧ bumps

2132‧‧‧ Groove

214‧‧‧Flexible arm

215‧‧‧ solder feet

Claims (10)

A conductive terminal set includes: a plurality of conductive terminals, wherein the conductive terminal comprises a main body portion, an elastic arm formed obliquely from a front end of the main body portion, and a soldering leg formed by bending from a rear end of the main body portion; and the injection molding is formed to fix the conductive a retaining plate of the terminal body portion; wherein the main body portion is provided with at least one protrusion, and the protrusion protrudes from the main body portion toward the adjacent body portion. The conductive terminal set according to claim 1, wherein the main body portion is provided with at least one groove, and the groove and the protrusion are located on the same side of the main body portion. The conductive terminal set according to claim 2, wherein the protrusions are opposite to the protrusions of the adjacent body portions, and the grooves are opposite to the grooves of the adjacent body portions. The conductive terminal set according to claim 2, wherein the protrusion is opposite to the groove of the adjacent body portion, and the groove is opposite to the protrusion of the adjacent body portion. The conductive terminal set according to claim 1, wherein the holding plate comprises a first holding plate for holding the main body portion and a second holding plate for holding the solder fillet. The conductive terminal set according to claim 5, wherein the first holding plate is provided with an inclined guiding surface adjacent to the elastic arm. An electrical connector assembly includes: a plurality of stacked electrical connectors, the stacked electrical connector includes an insulative housing and a set of conductive terminals received in the insulative housing, the conductive terminal set includes a plurality of conductive terminals and injection molding to fix the foregoing a holding plate of the conductive terminal, the conductive terminal includes a main body portion, an elastic arm formed obliquely from the front end of the main body portion, and bent from a rear end of the main body portion a soldering leg formed by extending; and a metal outer casing covering the outer side of the stacked electrical connector; wherein the main body portion is provided with at least one protrusion, and the protrusion is from the main body portion to the adjacent main body portion Protruding. The electrical connector assembly of claim 7, wherein the body portion is further provided with at least one groove, and the groove and the protrusion are located on the same side of the body portion. The electrical connector assembly of claim 8, wherein the holding plate comprises a first holding plate for holding the main body portion and a second holding plate for holding the soldering leg, wherein the insulating body is provided with the first one. Hold the chute of the board. The electrical connector assembly of claim 9, wherein the second holding plate is provided with a limiting block and a positioning block, and the insulating body is provided with a limiting slot matched with the limiting block and the positioning The positioning groove of the block is matched.