TWI427861B - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector having conductive terminals for simultaneously transmitting signals.

For a prior art related to the present invention, please refer to the Republic of China New Patent No. M365582, which issued on September 21, 2009, which discloses an electrical connector, the electrical connector including a first terminal set, the first The terminal group includes five conductive terminals, which are respectively a first pair of differential signal terminals for transmitting differential signals, a second pair of differential signal terminals for receiving differential signals, and a grounding between the first and second pairs of differential signal terminals for grounding The fifth terminal. The five conductive terminals each include an intermediate portion extending in the front-rear direction, a vertical portion perpendicular to the intermediate portion, and an inclined portion connecting the corresponding intermediate portion and the vertical portion, and the five conductive terminals are curved outwardly and outwardly. In a linear arrangement, if the arrangement is performed, the overall length of the conductive terminals located in the inner layer is smaller than the overall length of the conductive terminals located on the outer layer, in particular, the overall length of the same pair of differential signal terminals is inconsistent. When the differential signal is transmitted, the positive and negative signals are respectively The distances of the internal transmission of the corresponding conductive terminals in the same pair of differential signal terminals are not equal, which is easy to generate the asynchronousness and deviation during the transmission of the positive and negative signals, which affects the signal transmission quality.

Therefore, it is necessary to modify the conventional electrical connector to overcome the above drawbacks.

In view of the above, this creation aims to provide an improved signal transmission product. Quality electrical connector.

In order to achieve the above object, the present invention adopts the following technical solution: an electrical connector includes an insulative housing, a conductive terminal mounted on the insulative housing, and a shielding housing covering the outer side of the insulative housing, the conductive terminal including the first terminal group The first terminal group is provided with a contact portion arranged in a row in the up and down direction, a vertical portion extending in the up and down direction, and an intermediate portion extending between the contact portion and the vertical portion in the front-rear direction, the first portion A terminal set includes a pair of differential signal terminals formed by the first terminal and the second terminal, wherein an overall length of the first terminal is equal to an overall length of the second terminal.

Compared with the prior art, the overall length of the first terminal is equal to the overall length of the second terminal, and during the signal transmission, the signal transmitted by the first terminal can be transmitted within the distance between the first terminal and the signal transmitted by the second terminal. The distances transmitted inside the second terminal are equal. If the arrangement ensures the synchronization of the signal transmission between the first terminal and the second terminal, the signal transmission deviation is not easy to occur, and if the arrangement is simple, the structure is simple, and the signal transmission quality is improved.

The first figure is a perspective view of the first embodiment of the creative electrical connector.

The second figure is a partial perspective assembled view of the first embodiment of the creative electrical connector.

The third figure is an exploded perspective view of the first embodiment of the creative electrical connector.

The fourth figure is a bottom view of the first terminal group and the first insulating block of the first embodiment of the present invention.

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

The sixth figure is a perspective assembled view of the second embodiment of the creative electrical connector.

The seventh figure is an exploded perspective view of the second embodiment of the creative electrical connector.

The eighth figure is a bottom view of the first terminal group and the first insulating block of the second embodiment of the present invention.

The ninth drawing is a perspective view of the first terminal set of the second embodiment of the present invention.

Please refer to the first to fifth figures, which are the electrical connector 100 of the first embodiment of the present invention. The electrical connector 100 is a USB 3.0 socket connector for mounting from top to bottom on a motherboard (not shown) for plugging a docking plug (not shown) from front to back. The electrical connector 100 includes an insulative housing 1 , a plurality of conductive terminals mounted in the insulative housing 1 , a shielding housing 4 shielded from the outside of the insulative housing 1 , and a rear cover 5 for closing the shielding housing 4 .

Referring to the first to fourth figures, the insulative housing 1 includes a first insulating block 11 and a second insulating block 12 mounted on the first insulating block 11. The first insulating block 11 includes a base portion 111 having a substantially rectangular parallelepiped shape and a flat tongue portion 112 extending forward from the front end of the base portion 111. The base portion 111 is provided with a bottom surface 1111 facing the female circuit board and a terminal hole 1112 extending through the bottom surface 1111 for receiving the conductive terminal. The tongue portion 112 includes a first side surface 1120 and a second side surface 1123 respectively located on the left and right sides, and a fifth rectangular first terminal slot 1121 and a fourth elongated second terminal slot 1122 recessed inwardly from the first side surface 1120. . The first terminal slot 1121 is closer to the free end of the front end of the tongue portion 112 than the second terminal slot 1122. The first terminal slots 1121 are arranged in the same column from top to bottom, and the second terminal slots 1122 extend in the front-rear direction and are arranged from top to bottom. The cloth is on the same vertical plane. The second insulating block 12 is substantially rectangular and has a rectangular plate shape and is mounted on the side of the base portion 111. The second insulating block 12 and the base portion 111 are used for clamping and mounting the conductive terminals.

Referring to the second to fifth figures, the conductive terminal includes a first terminal group 2 and a second terminal group 3. The second terminal group 3 is for electrically contacting a USB 2.0 docking plug (not shown), and the first terminal group 2 and the second terminal group 3 are used for electrically contacting the USB 3.0 docking plug (not shown). ). The first terminal group 2 is embedded in the first insulating block 11 and includes a first pair of differential signal terminals 23 for transmitting differential signals in pairs, and a second pair of differential signal terminals 24 for transmitting differential signals in pairs. And a fifth terminal 25 for grounding between the first pair of differential signal terminals 23 and the second pair of differential signal terminals 24. The first pair of differential signal terminals 23 includes a first terminal 231 for transmitting a negative signal and a second terminal 232 for transmitting a positive signal. The second pair of differential signal terminals 24 includes a third terminal 241 for transmitting a negative signal and a fourth terminal 242 for transmitting a positive signal. The first to fifth terminals 231, 232, 241, 242, and 25 each include an intermediate portion 21 extending from the front-rear direction and extending from the front end of the intermediate portion 21 for receiving and exposing to the first terminal slot 1121. The flat contact portion 210, the vertical portion 22 extending vertically downward from the rear end of the intermediate portion 21, and the solder portion 220 extending further downward from the end of the vertical portion 22 and passing through the terminal hole 1112. The five contact portions 210 are arranged in the same column from top to bottom, and the intermediate portions 21 of the first, second, fifth, third, and fourth terminals 231, 232, 25, 241, and 242 are in order from top to bottom. Arranged and distributed in the same vertical plane, the first terminal 231 and the vertical portion 22 of the second end 232 are staggered with each other, and the third terminal 241 and the vertical portion 22 of the fourth end 242 are staggered with each other, that is, The vertical portions 22 of the third, fourth, fifth, first, and second terminals 241, 242, 25, 231, and 232 are arranged in order from the front to the rear and are distributed in the vertical planes which are parallel to each other. Middle of the first terminal 231 The portion 21 is located above the intermediate portion 21 of the second terminal 232, and the vertical portion 22 of the first terminal 231 is located in front of the vertical portion 22 of the second terminal 232. The length of the first terminal 231 in the front-rear direction is smaller than the length in the front-rear direction of the second terminal 232, and the length of the upper and lower directions of the first terminal 231 is greater than the length of the upper and lower ends of the second terminal 232. For example, the overall length of the first terminal 231 is equal to the overall length of the second terminal 232. Since the first pair of differential signal terminals 23 are paired for transmitting positive and negative signals, during signal transmission, the signal is The paths of the first terminal 231 and the second terminal 232 are equal, and the first terminal 231 and the second terminal 232 are prevented from being transmitted when the signal is received at different times to generate a signal deviation, thereby improving the transmission quality of the signal. Similarly, in the second pair of differential signal terminals 24, the intermediate portion 21 of the third terminal 241 is located above the intermediate portion 21 of the fourth terminal 242, and the vertical portion 22 of the third terminal 241 is located at the The front portion of the vertical portion 22 of the four terminals 242. That is, the length of the intermediate portion 21 of the third terminal 241 is smaller than the length of the intermediate portion 21 of the fourth terminal 242, and the length of the vertical portion 22 of the third terminal 241 is greater than the length of the vertical portion 22 of the fourth terminal 242. The overall length of the third terminal 241 is equal to the overall length of the fourth terminal 242, so as to avoid signal deviation when the second pair of differential signal terminals 24 transmit the differential signal. An "L"-shaped offset portion 211 bent outward is further disposed between the intermediate portion 21 of the second and fourth terminals 232, 242 and the vertical portion 22, and the offset portion 211 includes The intermediate portion 21 is vertically bent to the left or to the right to offset the vertical portion 22 from the short portion of the adjacent conductive terminal (not labeled) and further vertically bent from the short portion to a length greater than the short portion and connected backwards vertically The portion 22 is located in the same vertical plane (not numbered) as the vertical portion 22. The short portion and the long portion are perpendicular to each other to form an offset portion having a cross section of "L" shape. The short portions of the offset portion 211 are located in front of all the vertical portions 22. By means of the arrangement, the mutually staggered vertical portions 22 can be offset from each other in the left-right direction by the vertical portions 22 of the adjacent conductive terminals, so that the adjacent vertical portions 22 It is located on different vertical planes in the left-right direction to prevent adjacent conductive terminals in the first terminal group 2 from overlapping each other in the left-right direction, thereby affecting signal transmission. In other embodiments, the offset portion 211 may be disposed on any one of the first, second, third, fourth, and fifth terminals 231, 232, 241, 242, 25 or the plurality of intermediate portions 21; Or any one of the first, second, third, fourth, and fifth terminals 231, 232, 241, 242, 25 or the plurality of vertical portions 22. By arranging, all the intermediate portions 21 are located on the same vertical plane extending in the front-rear direction by the position of the offset portion 211, and the plurality of vertical portions 22 are located in the front-rear direction and are sequentially arranged in the left-right direction. Different vertical planes are opened; similarly, in other embodiments, the intermediate portion 21 can be located on the same vertical plane extending in the front-rear direction by the positional change of the offset portion 211, and the vertical portion 22 is located. The different vertical planes extending in the front-rear direction and sequentially arranged in the left-right direction; or the positional change of the offset portion 211 may cause the intermediate portion 21 to be extended in the front-rear direction and sequentially arranged in the left-right direction. The different vertical faces, and the vertical portions 22 are also located on different vertical faces extending in the front-rear direction and sequentially arranged in the left-right direction. By arranging, it is possible to achieve no overlapping interference between the conductive terminals of the first terminal group 2.

The second terminal group 3 is sandwiched between the base portion 111 and the second insulating block 12, and each of the conductive terminals of the second terminal group 3 includes a cantilever portion 31 and a self-cantilever portion received in the second terminal slot 122. The protrusion 32 is extended toward the protrusion 32, and the contact portion 32 is located behind the contact portion 210 of the first terminal group 2. The contact portions 210, 32 of the first and second terminal groups 2, 3 are located on the same side of the tongue portion 112 for electrically contacting the USB 3.0 docking plug.

Referring to the first to second figures, the shielding shell 4 is wrapped on the outer side of the insulative housing 1 for fixing the first and second insulating blocks 11 and 12 together. Covering the rear side of the shielding case 4, if it is arranged, the shielding case 4 and the back cover 5 can jointly achieve a good masking effect of the electrical connector 100.

Referring to Figures 7 through 9, the electrical connector 100' of the second embodiment of the present invention is shown. The electrical connector 100 of the first embodiment has substantially the same structure as the electrical connector 100 ′ of the second embodiment, and the difference is that the first pair of differential signal terminals 23 of the electrical connector 100 in the first embodiment The overall length is different from the overall length of the second pair of differential signal terminals 24, that is, since the first pair of differential signal terminals 23 are arranged on the outer layer of the second pair of differential signal terminals 24, the first and second terminals 231, 232 The overall length is greater than the overall length of the third and fourth terminals 241, 242. The vertical portions 22' of the first, second, fifth, third, and fourth terminals 231', 232', 25', 241', 242' of the second embodiment electrical connector 100' are sequentially staggered. The overall length of the first pair of differential signal terminals 23' is the same as the overall length of the second pair of differential signal terminals 24' and the overall length of the fifth terminal 25', and if the arrangement is performed, all signals are transmitted during the signal transmission. The distances traveled in the corresponding conductive terminals are equal, which further ensures the synchronization of the signal transmission and improves the signal transmission quality. In the second embodiment, the lengths of the intermediate portions 21' of the first, second, fifth, third, and fourth terminals 231', 232', 25', 241', 242' are sequentially increased, and The lengths of the vertical portions 22' of the second, fifth, third, and fourth terminals 231', 232', 25', 241', 242' are sequentially decreased. Moreover, the intermediate portions 21' of the first, second, fifth, third, and fourth terminals 231', 232', 25', 241', 242' are arranged in order from top to bottom, and the first and second The vertical portions 22' of the fifth, third, and fourth terminals 231', 232', 25', 241', 242' are arranged in order from the front to the rear. The intermediate portion 21' of the second, fifth, third, and fourth terminals 232', 25', 241', 242' and the vertical portion 22' are each bent to be offset from one side. a portion 211', and the first portion of the offset portion 211' sequentially grows and lies The first, second, fifth, third, and fourth terminals 231', 232', 25', 241' may be arranged in the same vertical plane as the front-rear direction, as shown in the eighth figure. The vertical portions 22' of the 242' are arranged in a stepwise manner in the left-right direction and are located in five different vertical planes, and corresponding to the terminal holes 1112 for receiving the soldering portions 220' are also on the bottom surface 1111 of the base portion 111'. It is distributed in a stepped shape. By arranging, the vertical portions 22 ′ of the first, second, fifth, third, and fourth terminals 231 ′, 232 ′, 25 ′, 241 ′, 242 ′ can be prevented from overlapping each other in the left and right direction. Interference has occurred. The left and right widths of the base portion 111' of the second embodiment are greater than the left and right widths of the base portion 111 of the first embodiment, so that the arrangement base portion 111' can be used to accommodate five vertical portions 22' located in different vertical planes.

In summary, the present electrical connector 100, 100' allows the soldering portions 220, 220' of the same pair of differential signal terminals to exchange front and rear positions, so that the overall length of the same pair of differential signal terminals is equal, and the positive and negative signal transmission is ensured. Synchronization improves the quality of signal transmission.

In summary, the creation meets the requirements of the invention patent, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those who are familiar with the skill of the present invention are equivalent to the equivalent modifications or changes made by the spirit of the present creation. It should be covered by the following patent application.

21‧‧‧Intermediate

210‧‧‧Contacts

211‧‧‧Offset

22‧‧‧ vertical

220‧‧‧Weld Department

23‧‧‧First pair of differential signal terminals

231‧‧‧First terminal

232‧‧‧second terminal

24‧‧‧Second pair of differential signal terminals

241‧‧‧ third terminal

242‧‧‧fourth terminal

25‧‧‧ fifth terminal

Claims (9)

An electrical connector includes: an insulative housing; a conductive terminal, the conductive terminal is mounted on the insulative housing, the conductive terminal includes a first terminal set, and the first terminal set is provided with a row of contacts arranged in an up and down direction And a vertical portion extending in the up-and-down direction and an intermediate portion extending between the contact portion and the vertical portion in the front-rear direction, the first terminal group including the first terminal and the second terminal forming a pair of differential signals a terminal, wherein an overall length of the first terminal is equal to an overall length of the second terminal, an intermediate portion of the first terminal is located above a middle portion of the second terminal, and a vertical portion of the first terminal is located at a second portion a front portion of the vertical portion of the terminal; and a shielding case, the shielding case covering the outside of the insulating body. The electrical connector of claim 1, wherein the intermediate portion of the first terminal group is on the same vertical plane, and the vertical portion of the first terminal group is located in a vertical direction that is arranged in the left-right direction. Straight face. The electrical connector of claim 1, wherein the first terminal group is provided with an offset portion connecting the vertical portion and the intermediate portion such that the vertical portion is located on a different vertical plane, the offset portion It is "L" type. The electrical connector of claim 3, wherein the offset portion comprises a first bent portion bent from one side to the other side and bent backward from the first bent portion and connected to the vertical portion a second bent portion, the first bent portion being located in front of all the vertical portions. The electrical connector of claim 1, wherein the first terminal group is further The other pair of differential signal terminals are composed of a third terminal and a fourth terminal, and the first, second, third, and fourth terminals have the same overall length. The electrical connector of claim 5, wherein the conductive terminals are arranged in order from the top to the bottom as intermediate portions of the first, second, third, and fourth terminals, the first terminal group being from the front The vertical portions of the first, second, third, and fourth terminals are sequentially arranged rearward. The electrical connector of claim 1, wherein the first terminal group further comprises another pair of differential signal terminals composed of a third terminal and a fourth terminal, the first terminal group being from top to bottom The first terminal group is sequentially arranged as an intermediate portion of the first, second, third, and fourth terminals, and the first terminal group is sequentially arranged from the front to the rear as the vertical portions of the third, fourth, first, and second terminals. The electrical connector of claim 6 or 7, wherein the first terminal set further comprises a fifth terminal between the two pairs of differential signal terminals, the vertical portion of the fifth terminal The vertical portions of the two pairs of differential signal terminals are separated from the front and rear sides, and the middle portion of the fifth terminal is separated from the upper and lower sides by the middle portion of the two pairs of differential signal terminals. The electrical connector of claim 1, wherein the insulative housing comprises a tongue plate, the conductive terminal further comprising a second terminal group, the contact portion of the first terminal group being flat and exposed to the tongue One side of the board, the second terminal group is provided with a protruding contact portion mounted on the same side of the tongue plate as the contact portion of the first terminal group, and the protruding contact portion of the second terminal group is located at the first terminal Behind the group contacts, the electrical connector is a USB 3.0 socket connector.