TWI419422B - Connector - Google Patents

Description

Connector

The present invention relates to a connector, and more particularly to a built-in circuit board structure of a pluggable connector.

The prior art relating to the present invention can be found in U.S. Patent No. 6,142,802, issued on Nov. 7, 2000. This patent discloses an electrical connector having a plurality of first conductive sheets and a plurality of second conductive sheet sub-boards. The docking connector that interfaces with the electrical connector has a plurality of first terminals and second terminals. When the docking connector is docked with the electrical connector, the first terminal of the docking connector is electrically connected to the first conductive strip of the sub-board to transmit the differential signal, the power signal, and the ground. The second terminal is electrically connected to the second conductive strip of the sub-board to transmit the power signal and the ground.

However, the number of terminals in the electrical connector thus arranged is small, so that only a small amount of signals can be transmitted.

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

In view of the above, it is an object of the present invention to provide a connector that can transmit a plurality of signals.

In order to achieve the foregoing object, the present invention provides a connector that can be mated with a mating connector, the connector including a housing, and a built-in circuit board housed in the housing and having first and second surfaces, the built-in circuit board The first surface of the first conductive sheet includes a plurality of upper grounding strips and a plurality of upper differential signal sheets, and the second surface of the internal circuit board is provided with a second row of conductive sheets. The second row of conductive sheets includes a plurality of lower grounding strips and a plurality of pairs of lower differential signal sheets, wherein the second surface of the built-in circuit board is further provided with a plurality of pairs of lower and lower frequencies aligned with the plurality of pairs of differential signal sheets along the mating direction Signal chip.

Compared with the prior art, the present invention has the following beneficial effects: the present invention can configure a plurality of pairs of differential signal slices and control signal slices without increasing the size of the built-in circuit board, and a grounding strip is disposed between each pair of signal slices. . In this way, multiple pairs of differential signals and control signals can be transmitted and a ground signal can be transmitted between each pair of differential signals.

As shown in the first to fifth figures, the connector 100 in accordance with the present invention allows the cable assembly 700 to be soldered thereto. The connector 100 can interface with the mating connector 800 soldered to the mother board 900.

The cable assembly 700 includes a plurality of cables 71 and a fixing member 72 that fixes the plurality of cables 71. The docking connector 800 includes a first shielding cover 851, a second shielding cover 852, and a docking connector module. An opening 8511 is provided at the bottom of the first shielding cover 851. A spring piece 8513 is disposed at one end of the first shielding cover 851 away from the opening 8511. The elastic piece 8513 is provided with a locking groove 8512. The mating connector module soldered to the mother board 900 can be loaded into the first shield cover 851 from the opening 8511. The second shielding cover 852 is sleeved on the connector 100 for enhancing the anti-electromagnetic interference effect.

Referring to the second and third figures, the connector 100 includes a lower casing 11, an upper casing 12, a built-in circuit board 2 housed in the lower casing 11, a linkage body 31 mounted on the lower casing 11, and a drawstring. 32. A fastening body 6 and a pair of bolts 4 that cooperate with the interlocking body 31.

The lower housing 11 is provided with a rectangular receiving cavity 111 at the front end, an annular receiving groove 112 behind the receiving cavity 111, and an annular opening 113 behind the receiving groove 112. A pair of lower screw holes 114 extending up and down are disposed on both sides of the opening 113. A pair of protrusions 115 projecting outward are provided on both sides of the rear portion of the lower casing 11.

A pair of upper screw holes 121 are provided in the upper casing 12.

In conjunction with the sixth and seventh figures, the built-in circuit board 2 has a mating end 20 and first and second surfaces 21, 22 provided with a plurality of conductive sheets.

The interlocking body 31 is provided with a pair of rotating arms 311 and a connecting arm 312 that connects the pair of rotating arms 311. Each of the rotating arms 311 includes a snap hole 314 provided at the end portion and a pivot hole 313 at a middle portion of the rotating arm 311.

The latch body 6 includes a plate-shaped latching portion 62, a latching bolt 61 attached to the latching portion 62, and a spring 63. The catching portion 62 is provided with a fitting groove 64.

Referring to the first to fifth figures, when the connector 100 is assembled, the plurality of cables 71 of the cable assembly 700 are soldered to the plurality of conductive sheets of the first and second surfaces 21, 22 of the built-in circuit board 2. The built-in circuit board 2 is housed in the housing cavity 111 of the lower casing 11, so that the butted end 20 of the built-in circuit board 2 is close to the front end of the lower casing 11. The cable assembly 700 is inserted into the accommodating groove 112 through the opening 113. The upper casing 12 is fastened to the lower casing 11. The bolt 4 is sequentially passed through the upper screw hole 121 and the lower screw hole 114 so that the upper casing 12 is held on the lower casing 11. The draw tape 32 is sleeved on the connecting arm 312 of the linking body 31. The pivot hole 313 of the interlocking body 31 is engaged with the protruding portion 115 of the lower casing 11. The latching portion 62 is disposed under the lower casing 11 and the latching bolt 61 passes through the latching hole 314 and is fixed to the latching portion 62.

When the connector 100 is docked with the docking connector 800, the second shielding cover 852 is sleeved on the connector 100, and the connector 100 is inserted into the first shielding cover 851 to interface with the docking connector module.

The connector 100 can be in a locked or unlocked position when docked with the docking connector 800. When the connector 100 is in the locking position, the locking portion 116 of the lower housing 11 contacts the engaging groove 64 of the latching body 6 and is embedded in the locking groove 8512 of the first shielding cover 851. At this time, the spring 63 abuts against the lock portion 116. When the draw tape 32 is pulled back, the catching portion 62 moves forward. The spring 63 is compressed. The latching portion 62 lifts the elastic piece 8513 to disengage the locking portion 116 from the locking groove 8512 of the elastic piece 8513. The connector 100 is in the released position so that it can be pulled out from the docking connector 800. The spring 63 resets the latching body 6. The draw tape 32, the interlocking body 31, and the retaining body 6 constitute an exit mechanism.

6 to 8 show the electrical connection of the connector 100 of the first embodiment of the present invention and the docking module of the docking connector 800. Referring to the sixth and seventh figures, the first surface 21 of the built-in circuit board 2 of the connector 100 in the first embodiment is provided with five grounding strips 211 and four pairs of differential signal sheets 212 arranged in a row near the mating end 20. And a plurality of cable soldering pieces 213 arranged in a row away from the butting end 20. The cable 71 is soldered to the cable lug 213. Each pair of differential signal chips 212 is located between two adjacent ground plates 211. The plurality of grounding strips 211 and the plurality of pairs of differential signal strips 212 are arranged in a row. The length of the grounding lug 211 in the mating direction is longer than the corresponding length of the differential signal sheet 212. The grounding piece 211 is closer to the butting end 20 than the differential signal piece 212.

The second surface 22 of the built-in circuit board 2 is provided with five grounding strips 221 close to the mating end 20, four pairs of control signal sheets 223, four pairs of differential signal sheets 222, and a plurality of cable lugs 224 arranged in a row away from the butting end 20. . The cable 71 is soldered to the cable lug 224. A pair of control signal sheets 223 and a pair of differential signal sheets 222 are aligned in the mating direction and are located between adjacent two ground strips 221. The control signal piece 223 is closer to the butt end 20 than the differential signal piece 222. The length of the grounding piece 221 in the mating direction is longer than the corresponding length of the control signal piece 223 or the differential signal piece 222. The front end of the grounding piece 221 is closer to the butting end 20 than the front end of the control signal piece 223. The control signal slice 223 can also be set as other low frequency signal slices as needed.

The grounding piece 211 of the first surface 21 and the grounding piece 221 of the second surface 22 partially overlap in the up and down direction. The differential signal piece 212 of the first surface 21 and the differential signal piece 222 of the second surface 22 partially overlap in the up and down direction.

Referring to the eighth embodiment, the docking connector module of the docking connector 800 in the first embodiment includes an insulative housing 80 and a plurality of terminal modules. The plurality of terminal modules include a plurality of first terminal modules 81 and a plurality of pairs of second terminal modules 82. Each of the first terminal modules 81 includes a first upper terminal 811 and a first lower contact terminal 812.

Each of the second terminal modules 82 includes a second upper terminal 821, a second lower contact terminal 822, and a second lower conductive terminal 823.

When the connector 100 is docked with the mating connector 800, the first upper terminal 811 of the first terminal module 81 is in contact with the grounding strip 211 on the first surface 21 of the built-in circuit board 2 to transmit a ground signal. The first lower contact terminal 812 is in contact with the grounding strip 221 on the second surface 22 of the built-in circuit board 2 to transmit a ground signal. Two of the two adjacent second terminal modules 82 are in contact with the differential signal sheet 212 on the first surface 21 of the built-in circuit board 2 to transmit a differential signal. The two second lower contact terminals 822 are in contact with the differential signal sheet 222 of the second surface 22 to transmit a differential signal. The two second lower conductive terminals 823 are in contact with the two control signal sheets 223 to transmit control signals. The control signal slice 223 can also be set as other low frequency signal slices.

The built-in circuit board 2 can be configured with a plurality of pairs of differential signal chips and control signal chips without increasing the size, and a grounding strip is disposed between each pair of signal sheets. In this way, multiple pairs of differential signals and control signals can be transmitted and a ground signal can be transmitted between each pair of differential signals.

Referring to the ninth and tenth drawings, the first surface 21 of the built-in circuit board 2' in the second embodiment is the same as that shown in the sixth figure, and the second surface 22' is provided in the structure shown in the ninth figure. As shown in the ninth figure, the second surface 22' of the built-in circuit board 2' is provided with a second row of conductive sheets 228' and a third row of conductive sheets 227'. The third row of conductive sheets 227' is closer to the butt end 20' than the second row of conductive sheets 228'. The third row of conductive sheets 227' includes a plurality of control signal sheets 223', a plurality of power supply sheets 225', and a grounding strip 226'. The control signal piece 223', the power supply piece 225', and the grounding piece 226' are all low frequency signal pieces. The second row of conductive strips 228' includes a plurality of ground straps 221' and a plurality of pairs of differential signal patches 222'. Each pair of differential signal pieces 222' is located between adjacent ground plates 221'.

The docking connector 800' in the second embodiment shown in the tenth embodiment includes an insulative housing 80' and a second terminal module 82'. The second terminal module 82' has the same structure as the second terminal module 82 in the first embodiment shown in the eighth embodiment, and includes a second upper terminal 821', a second lower contact terminal 822', and a second lower portion. Conductive terminal 823'. Referring to the tenth diagram, the first terminal module 81' in the second embodiment includes a first upper terminal 811', a first lower contact terminal 812', and a first lower conductive terminal 813'.

When the built-in circuit board 2' is inserted into the insulative housing 80', the conductive sheets on the first surface 21 of the built-in circuit board 2' are in contact with and electrically connected to the first upper terminal 811' or the second upper terminal 821'. The third row of conductive sheets 227' on the second surface 22' of the built-in circuit board 2' is in contact with and electrically connected to the first lower conductive terminal 813' or the second lower conductive terminal 823'. The second row of conductive sheets 228' on the second surface 22' of the built-in circuit board 2' is in contact with and electrically connected to the first lower contact terminal 812' or the second lower contact terminal 822'.

In the second embodiment, the grounding strip 221' on the second surface 22' of the built-in circuit board 2' is disposed shorter than the grounding strip 221 in the first embodiment, so that the control signal sheet 223' is added in front of the grounding strip 221'. . Meanwhile, in the second embodiment, the first lower conductive terminal 813' is brought into contact with the control signal piece 223' and turned on. Thus, the same size of the built-in circuit board 2' can be used to transmit more differential signals and control signals.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application 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 skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

100‧‧‧Connector

11‧‧‧ Lower case

111‧‧‧ containment chamber

112‧‧‧ accommodating slots

113‧‧‧ openings

114‧‧‧Under the screw hole

115‧‧‧Protruding

116‧‧‧Locking

12‧‧‧Upper casing

121‧‧‧Upper hole

2‧‧‧ Built-in board

20‧‧‧ docking end

21‧‧‧ first surface

211‧‧‧ Grounding piece

212‧‧‧Differential signal piece

213‧‧‧Cable soldering piece

22‧‧‧ second surface

221‧‧‧ Grounding piece

222‧‧‧Differential signal piece

223‧‧‧Control signal piece

224‧‧‧Wire soldering piece

31‧‧‧Continuous body

311‧‧‧Rotating arm

312‧‧‧Connecting arm

313‧‧‧ pivot hole

314‧‧‧Snap hole

32‧‧‧ Pulling

4‧‧‧ bolt

6‧‧‧Detained body

61‧‧‧holding bolts

62‧‧‧Detention Department

63‧‧‧ Spring

64‧‧‧With slot

700‧‧‧ cable combination

71‧‧‧ Cable

72‧‧‧Fixed parts

800‧‧‧Docking connector

80‧‧‧Insulated body

81‧‧‧First terminal module

811‧‧‧first upper terminal

812‧‧‧First contact terminal

82‧‧‧Second terminal module

821‧‧‧Second upper terminal

822‧‧‧Second lower contact terminal

823‧‧‧Second lower conductive terminal

851‧‧‧First cover body

8511‧‧‧ openings

8512‧‧‧Locking slot

8513‧‧‧Shrap

852‧‧‧Second shade cover

900‧‧‧Female circuit board

2'‧‧‧ Built-in board

20’‧‧‧ docking end

22'‧‧‧ second surface

221’‧‧‧ Grounding piece

222’‧‧‧Differential signal piece

223’‧‧‧Control signal

224’‧‧‧Cable soldering piece

225’‧‧‧Power film

226’‧‧‧ Grounding piece

227’‧‧‧ Third row of conductive sheets

228’‧‧‧Second row of conductive sheets

800'‧‧‧Docking Connector

80’‧‧‧Insulated body

81'‧‧‧First Terminal Module

811’‧‧‧first upper terminal

812'‧‧‧First contact terminal

813'‧‧‧First lower conductive terminal

82'‧‧‧Second terminal module

821’‧‧‧Second upper terminal

822’‧‧‧Second lower contact terminal

823’‧‧‧Second lower conductive terminal

The first figure is a combination diagram of a connector and a cable combination, a mating connector, and a mother board of the first embodiment of the present invention.

The second figure is another combination of the connector and cable combination, the docking connector and the mother board shown in the first figure.

The third figure is an exploded view of the connector and cable combination and the docking connector shown in the first figure.

The fourth figure is an exploded view of the connector and cable combination and the other angle of the docking connector shown in the third figure.

The fifth figure is a partial assembly diagram of the built-in circuit board and the cable combination installed in the lower casing.

The sixth picture is a view of the first surface of the built-in circuit board.

The seventh picture is a view of the second surface of the built-in circuit board.

The eighth figure is a view of the docking connector module of the docking connector of the first embodiment.

The ninth drawing is a view of the second surface of the built-in circuit board of the second embodiment.

The tenth view is a view of the docking connector module of the docking connector of the second embodiment.

2‧‧‧ Built-in board

20‧‧‧ docking end

22‧‧‧ second surface

221‧‧‧ Grounding piece

222‧‧‧Differential signal piece

223‧‧‧Control signal piece

224‧‧‧Wire soldering piece

Claims (10)

A connector that interfaces with a docking connector, including:
a housing; and a built-in circuit board having a first surface and a second surface; the first surface of the built-in circuit board is provided with a first row of conductive sheets, and the first row of conductive sheets includes a plurality of grounding strips And a plurality of pairs of upper differential signal sheets, the second surface of the built-in circuit board is provided with a second row of conductive sheets, and the second row of conductive sheets includes a plurality of lower grounding strips and a plurality of pairs of lower differential signal sheets, the built-in circuit board The second surface is further provided with a plurality of pairs of lower low frequency signal slices aligned with the plurality of pairs of lower differential signal slices along the mating direction. The connector of claim 1, wherein the second surface of the built-in circuit board is provided with a plurality of lower low frequency signal slices aligned with the plurality of grounding strips in the mating direction, and the lower low frequency signal of the second surface The sheets constitute a third row of conductive sheets. The connector of claim 2, wherein the built-in circuit board has a mating end that interfaces with the mating connector, the third row of conductive sheets being closer to the mating end than the second row of conductive sheets. The connector of claim 3, wherein the lower low frequency signal piece is a control signal piece for transmitting a control signal or a power supply piece for transmitting a power supply signal or a grounding piece for transmitting a ground signal. The connector of claim 3, wherein each of the second row of conductive sheets is aligned with a corresponding lower low frequency signal sheet of the third row of conductive sheets in a mating direction, the second Each of the conductive sheets in the row of conductive sheets partially overlaps with each of the first row of conductive sheets of the first surface. The connector of claim 3, wherein the connector is connectable with a cable, and the first and second surfaces of the built-in circuit board are respectively provided away from the butt end for soldering with the cable. Multiple cable lugs. The connector of claim 6, wherein the housing includes a lower housing and an upper housing that is fastened to the lower housing, and the lower housing is provided with a receiving cavity for receiving the built-in circuit board. The accommodating groove of the cable combination is accommodated. The connector of claim 7, wherein the lower casing is provided with a locking portion, and the docking connector comprises a shielding cover body and a mating connector module, wherein the shielding cover body has a lock The elastic piece of the fixing groove is embedded in the locking groove when the connector is in the locking position. The connector of claim 8, wherein the connector further comprises an ejecting mechanism, the ejecting mechanism comprising a drawstring, a latching body, and a linking body mounted between the strap and the latching body, The linkage body is pulled to pull the belt to drive the buckle body to move, and the elastic body of the cover body to shield the cover body releases the locking portion from the locking groove. The connector of claim 9, wherein the linkage body is provided with a pair of rotating arms and a connecting arm between the pair of rotating arms, wherein each of the rotating arms is provided with a pivot hole, and the end is provided with a card. a buckle hole, the lower casing is provided with a protruding portion that cooperates with the pivot hole, and the buckle body includes a fastening bolt that passes through the buckle hole and a spring that resets the exit mechanism.