CN111786202A

CN111786202A - Multi-polar substrate electric connector

Info

Publication number: CN111786202A
Application number: CN202010658430.8A
Authority: CN
Inventors: 詹大伟; 刘泽南; 陈勇利
Original assignee: Science and Education City Branch of AAC New Energy Development Changzhou Co Ltd
Current assignee: Science and Education City Branch of AAC New Energy Development Changzhou Co Ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2020-10-16
Also published as: WO2022007014A1

Abstract

The invention provides a multi-polar substrate electrical connector. The multi-polar substrate electric connector comprises a male base connected with a first substrate and a female base connected with a second substrate and used for being connected with the male base, the male base comprises a first insulator, at least two rows of male base terminals fixed on the first insulator and a first metal shell fixed on the first insulator, the female base comprises a second insulator, at least two rows of female base terminals fixed on the second insulator and a second metal shell fixed on the second insulator, the first metal shell is connected with the first substrate in a grounding mode, bayonets are formed in the first metal shell, the female base further comprises a metal isolation plate fixed on the second insulator and located between the female base terminals of adjacent rows, the metal isolation plate is connected with the second substrate in a grounding mode, and the metal isolation plate is provided with a clamping portion used for being clamped with the bayonets. When signals on two sides of the metal isolation plate are transmitted, current formed by coupling of the metal isolation plate can flow into the grounding end of the first substrate, so that the isolation between terminals is improved, and the signal transmission is improved.

Description

Multi-polar substrate electric connector

[ technical field ] A method for producing a semiconductor device

The invention belongs to the technical field of electric connectors, and particularly relates to a multi-polar substrate electric connector.

[ background of the invention ]

Conventional high density, small terminal pitch, low body height, multi-row, multi-pole substrate connector pairs typically consist of a male and female receptacle mating. The male socket consists of an insulating body, at least two rows of a plurality of internal male socket terminals fixed on the insulating body and a metal shell; the female socket consists of an insulating body, at least two rows of a plurality of internal female socket terminals fixed on the insulating body and a metal shell; when the male seat and the female seat are matched, the male seat terminal and the female seat terminal are contacted to realize electric connection, and the metal shells are mutually contacted to realize a certain shielding effect. With the development of the 5G era, the use of the electrical connectors between the substrates is more and more common, and the volume of the corresponding electrical connectors between the substrates becomes smaller and smaller, but it follows that when the electrical connectors transmit multiple radio frequency signals, the internal terminals interfere with each other due to the low isolation between the internal terminals, which affects the transmission effect of the signals.

[ summary of the invention ]

The invention provides a multi-pole substrate electric connector, which can improve the isolation between internal terminals, reduce the mutual interference between the terminals and improve the signal transmission.

The technical scheme of the invention is as follows: a multi-polar substrate electric connector is used for connecting a first substrate and a second substrate, and comprises a male socket connected with the first substrate and a female socket connected with the second substrate and used for being connected with the male socket, wherein the male socket comprises a first insulator, at least two rows of male socket terminals fixed on the first insulator and a first metal shell fixed on the first insulator, the female socket comprises a second insulator, at least two rows of female socket terminals fixed on the second insulator and used for being electrically connected with the male socket terminals and a second metal shell fixed on the second insulator, the first metal shell is connected with the first substrate in a grounding way, bayonets positioned between the male socket terminals in adjacent rows are arranged on the first metal shell, and the female socket further comprises a metal isolating plate fixed on the second insulator and positioned between the female socket terminals in adjacent rows, the metal isolation plate is connected with the second substrate in a grounding mode, and the metal isolation plate is provided with a clamping portion used for being clamped with the bayonet.

Further, the metal separator includes a soldering tab electrically connected to the second substrate and a contact tab extending from a middle portion of the soldering tab away from the second substrate toward a direction away from the soldering tab, and the engaging portion is located on a side of the contact tab away from the second substrate.

Further, the welding piece and the contact piece are integrally formed or separately arranged.

Furthermore, the side of the second insulator, which is far away from the second substrate, is recessed to form a connecting groove, the bottom of the connecting groove is protruded to form a connecting block, the middle part of the contact piece is embedded in the connecting block, and the two ends of the contact piece protrude out of the side wall of the connecting block to form the clamping part.

Furthermore, the side of the first insulator far from the first substrate is recessed to form an embedded groove for accommodating the connecting block, the first metal shell comprises a first shell plate fixed on the first insulator far from the side of the first substrate and a first clamping pin bent and extending from one side of the first shell plate to the embedded groove along the inner wall of the embedded groove, and the bayonet is arranged on the first clamping pin.

Further, the second metal shell comprises a second shell plate fixed on the second insulator and far away from the side of the second substrate, a grounding sheet formed by bending and extending from the outer edge of the second shell plate to the second substrate along the outer wall of the second insulator, and a second clamping leg formed by bending and extending from the inner edge of the second shell plate to the inside of the connecting groove along the groove wall of the connecting groove, wherein one side of the second clamping leg is recessed towards the groove wall of the connecting groove to form a clamping groove; first metal casing still includes certainly the outward flange of first conch board is followed the outer wall of first insulator court the crooked third card foot that extends formation of first base plate, one side of third card foot is towards keeping away from the direction protrusion of first insulator form be used for with the card of draw-in groove joint is protruding.

Further, the first metal shell further comprises a limiting pin formed by bending and extending from the outer edge of the first shell plate along the outer wall of the first insulator towards the first substrate, and the end of the limiting pin bends and extends towards the direction far away from the first insulator.

Further, the surface of the bayonet is plated with a gold layer.

The invention has the beneficial effects that: after connecting public seat and female seat, public seat terminal is connected with female seat terminal one-to-one electricity, the bayonet socket joint of joint portion and first metal casing of metal division board, because first metal casing is connected with first base plate ground connection, the metal division board is connected with second base plate ground connection, and the metal division board is located between the female seat terminal of adjacent row, metal division board is located between the public seat terminal of adjacent row after public seat links to each other with female seat promptly, the electric current that forms in the metal division board coupling during the signal transmission of metal division board both sides can flow in the earthing terminal of first base plate, thereby improve the isolation between the terminal, reduce the mutual interference between the terminal, improve the transmission of signal.

[ description of the drawings ]

FIG. 1 is a schematic view of a multi-polar substrate electrical connector, a first substrate and a second substrate according to the present invention;

FIG. 2 is a cross-sectional view of the multi-polar substrate electrical connector, the first substrate and the second substrate of the present invention, taken along the line A-A in FIG. 1;

FIG. 3 is a schematic perspective exploded view of the multi-polar substrate electrical connector, the first substrate and the second substrate according to the present invention;

FIG. 4 is a schematic perspective exploded view of the multi-polar substrate electrical connector of the present invention;

FIG. 5 is a schematic perspective view of a first insulator in the multi-polar substrate electrical connector according to the present invention;

fig. 6 is a schematic view of the structure of the electrical connector with multi-polar substrate of the present invention in which the metal isolation plate and the first metal shell are mated.

[ detailed description ] embodiments

The invention is further described with reference to the following figures and embodiments.

As shown in fig. 1 to 5, there is provided a multi-polar substrate electrical connector for connecting a first substrate 100 and a second substrate 200, the multi-polar substrate electrical connector comprising a male socket 300 connected to the first substrate 100 and a female socket 400 connected to the second substrate 200 for connecting to the male socket 300, the male socket 300 comprising a first insulator 310, at least two rows of male socket terminals 320 fixed to the first insulator 310 and a first metal shell 330 fixed to the first insulator 310, the female socket 400 comprising a second insulator 410, at least two rows of female socket terminals 420 fixed to the second insulator 410 for electrically connecting to the male socket terminals 320 and a second metal shell 430 fixed to the second insulator 410, the first metal shell 330 being connected to the first substrate 100 in a ground manner, the first metal shell 330 being provided with bayonets 3321 between the male socket terminals 320 of adjacent rows, the female socket 400 further comprising a metal isolation plate 440 fixed to the second insulator 410 and between the female socket terminals 420 of adjacent rows, the metal isolation plate 440 is grounded to the second substrate 200, and the metal isolation plate 440 has a clamping portion 4421 for clamping with the bayonet 3321.

After the male socket 300 and the female socket 400 are connected, the male socket terminals 320 and the female socket terminals 420 are electrically connected in a one-to-one correspondence manner, the clamping portion 4421 of the metal isolation plate 440 is clamped with the clamping opening 3321 of the first metal housing 330, because the first metal housing 330 is connected to the first substrate 100 in a grounding manner, the metal isolation plate 440 is connected to the second substrate 200 in a grounding manner, and the metal isolation plate 440 is located between the female socket terminals 420 in adjacent rows, that is, the metal isolation plate 440 is located between the male socket terminals 320 in adjacent rows after the male socket 300 and the female socket 400 are connected, and when signals on both sides of the metal isolation plate 440 are transmitted, the current formed by coupling of the metal isolation plate 440 can flow into the grounding end of the first substrate 100, so that the isolation degree between the terminals is improved, the mutual interference between the terminals is reduced, and the transmission.

The metal spacer 440 includes a solder piece 441 electrically connected to the second substrate 200 and a contact piece 442 extending from a middle portion of the solder piece 441 away from the second substrate 200 toward a direction away from the solder piece 441, and the engaging portion 4421 is located on a side of the contact piece 442 away from the second substrate 200. In the present embodiment, the welding piece 441 and the contact piece 442 are integrally formed, in some embodiments, the welding piece 441 and the contact piece 442 may be separately disposed, and the welding piece 441 and the contact piece 442 may be made of different metal materials and welded to form the metal isolation plate 440. The metal spacer 440 is electrically connected to the ground terminal of the second substrate 200 by the bonding sheet 441, and the metal spacer 440 is fixed.

The side of the second insulator 410, which is far away from the second substrate 200, is recessed to form a connecting slot 411, the bottom of the connecting slot 411 protrudes to form a connecting block 412, the middle part of the contact 442 is embedded in the connecting block 412, and the two ends of the contact 442 protrude out of the side wall of the connecting block 412 to form a clamping part 4421; the side of the first insulator 310 away from the first substrate 100 is recessed to form a recessed slot 311 for accommodating the connection block 412, the first metal shell 330 includes a first shell 331 fixed to the side of the first insulator 310 away from the first substrate 100 and a first locking pin 332 bent and extending from one side of the first shell 331 along the inner wall of the recessed slot 311 into the recessed slot 311, and the bayonet 3321 is disposed on the first locking pin 332. When the male housing 300 and the female housing 400 are coupled, the connection block 412 is inserted into the insertion groove 311, the side wall portion surrounding the insertion groove 311 is inserted into the connection groove 411, and the clamping portion 4421 is clamped with the bayonet 3321 to electrically connect the metal separation plate 440 and the first metal housing 330. In this embodiment, a gold layer is plated on the surface of the bayonet 3321, so that the electrical connection between the metal isolation plate 440 and the first metal housing 330 is more stable and reliable.

In this embodiment, the male socket terminal 320 and the female socket terminal 420 are both provided with two rows to realize the transmission of two sets of signals, the male socket terminals 320 of each row are arranged at equal intervals, the female socket terminals 420 of each row are arranged at equal intervals, the male socket terminals 320 are fixed on two opposite side walls of the caulking groove 311, the female socket terminals 420 are arranged between the side walls of the connecting block 412 and the connecting groove 411, and the male socket terminals 320 correspond to the female socket terminals 420 one by one. In some embodiments, three, four, five, etc. rows corresponding to one another may be disposed on the male socket terminal 320 and the female socket terminal 420, respectively, to implement transmission of more sets of signals, correspondingly, two, three, four, etc. metal isolation plates 440 are disposed to implement isolation between signals of adjacent sets, and two, three, four, etc. are disposed on the connection block 412 and the caulking groove 311, and in practical cases, the foregoing structures may be disposed according to practical situations, and are not limited herein.

The second metal shell 430 includes a second shell plate fixed to the second insulator 410 on the side far from the second substrate 200, a ground plate 432 formed by bending and extending from the outer edge of the second shell plate to the second substrate 200 along the outer wall of the second insulator 410, and a second clamping leg 433 formed by bending and extending from the inner edge of the second shell plate to the inside of the connecting slot 411 along the slot wall of the connecting slot 411, the ground plate 432 is connected to the ground terminal of the second substrate 200 by welding, and one side of the second clamping leg 433 is recessed toward the slot wall of the connecting slot 411 to form a clamping slot 4331; the first metal housing 330 further includes a third locking leg 333 formed by bending and extending from an outer edge of the first housing plate 331 along an outer wall of the first insulator 310 toward the first substrate 100, and a locking protrusion 3331 for locking with the locking groove 4331 is formed by protruding one side of the third locking leg 333 in a direction away from the first insulator 310. When the male seat 300 is connected with the female seat 400, the convex part 3331 of the third clamping pin 333 is correspondingly clamped in the clamping groove 4331, so that the stable connection between the first metal shell 330 and the second metal shell 430 is realized, the male seat 300 and the female seat 400 are not easy to loosen and are more reliable in connection, the electric connection between the first metal shell 330 and the second metal shell 430 is also realized, the shielding effect on signals can be realized, and the quality of signal transmission is improved.

The first metal shell 330 further includes a limiting leg 334 formed by bending and extending from an outer edge of the first shell 331 toward the first substrate 100 along an outer wall of the first insulator 310, and an end of the limiting leg 334 is bent and extending away from the first insulator 310. When public seat 300 and female seat 400 link to each other, spacing foot 334 can support on the top second insulator 410 to the realization is spacing to public seat 300, makes the cooperation of public seat 300 and female seat 400 more accurate, and can avoid excessively making public seat 300 and female seat 400 extrude each other and warp with strength when connecting, safe and reliable more.

While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.

Claims

1. An electrical connector for a multi-polar substrate for connecting a first substrate to a second substrate, said electrical connector comprising a male housing connected to said first substrate and a female housing connected to said second substrate for connection to said male housing, said male housing comprising a first insulator, at least two rows of male housing terminals fixed to said first insulator and a first metal shell fixed to said first insulator, said female housing comprising a second insulator, at least two rows of female housing terminals fixed to said second insulator for electrical connection to said male housing terminals and a second metal shell fixed to said second insulator, characterized in that said first metal shell is connected to said first substrate to ground, said first metal shell being provided with bayonet openings between said male housing terminals of adjacent rows, said female housing further comprising a metal spacer plate fixed to said second insulator and between said female housing terminals of adjacent rows, the metal isolation plate is connected with the second substrate in a grounding mode, and the metal isolation plate is provided with a clamping portion used for being clamped with the bayonet.

2. The multipole substrate electrical connector according to claim 1, wherein the metal spacer includes a solder piece electrically connected to the second substrate and a contact piece extending from a middle portion of the solder piece on a side away from the second substrate in a direction away from the solder piece, and the catching portion is located on a side of the contact piece on the side away from the second substrate.

3. The multi-polar substrate electrical connector of claim 2, wherein the solder tabs and the contact tabs are integrally formed or provided separately.

4. The multi-pole substrate electrical connector of claim 2, wherein the side of the second insulator away from the second insulator is recessed to form a connecting groove, a connecting block is formed by protruding a groove bottom of the connecting groove, a middle portion of the contact piece is embedded in the connecting block, and both ends of the contact piece protrude from a side wall of the connecting block to form the engaging portion.

5. The multi-pole substrate electrical connector according to claim 4, wherein the side of the first insulator away from the first substrate is recessed to form a groove for accommodating the connection block, the first metal shell includes a first shell fixed to the first insulator on the side away from the first substrate and a first clip extending from the first shell along the inner wall of the groove into the groove, and the clip is opened in the first clip.

6. The multi-pole substrate electrical connector of claim 5, wherein the second metal shell includes a second shell plate fixed to the second insulator on a side away from the second substrate, a ground plate bent and extended from an outer edge of the second shell plate toward the second substrate along an outer wall of the second insulator, and a second locking leg bent and extended from an inner edge of the second shell plate along a groove wall of the connecting groove into the connecting groove, wherein a side of the second locking leg is recessed toward the groove wall of the connecting groove to form a locking groove;

first metal casing still includes certainly the outward flange of first conch board is followed the outer wall of first insulator court the crooked third card foot that extends formation of first base plate, one side of third card foot is towards keeping away from the direction protrusion of first insulator form be used for with the card of draw-in groove joint is protruding.

7. The multi-pole substrate electrical connector of claim 5, wherein the first metal shell further comprises a retention leg formed to extend from an outer edge of the first shell plate along an outer wall of the first insulator in a curved manner toward the first substrate, an end of the retention leg extending in a curved manner away from the first insulator.

8. The multi-pole substrate electrical connector of claim 1, wherein a surface of the bayonet is plated with a gold layer.