TW202021210A - Integrally formed connector ground structure shields signal interference among metal pins - Google Patents

Abstract

An integrally formed connector ground structure comprises a housing, a seat body disposed inside the housing, wherein the seat body is disposed with a connection plate, and a terminal set disposed to the connection plate and having a plurality of first terminals, a plurality of second terminals and ground sheets having sheet bodies; the terminal set connected to the connection board, the first extension portion extended by the firs terminal sets and the third extension portion extended by the ground sheet respectively extended to a top surface of the connection plate, the second extension portion extended by the second terminal set and the fourth extension portion extended by the ground sheet respectively extended to a bottom surface of the connection plate, the third extension portions arranged at intervals among the first extension portion, the fourth extension portions arranged at intervals among the second extension portion. Accordingly, a signal shielding isolation structure having horizontal, horizontal and diagonal directions is between the first extension portion and the second extension portion at the same time.

Description

Integral connector ground structure

The invention relates to a grounding structure of a connector, in particular to an integrated connector grounding structure which can shield signal interference between metal pins.

With the improvement of the working clock of various electronic products, many connectors have higher requirements on anti-noise, anti-attenuation and anti-interference in the high-frequency state. Therefore, many manufacturers have improved the connectors in response to these requirements Structure.

Please refer to FIG. 1 to FIG. 3, the conventional connector 1 has a housing 11 with a first seat body 12 in which the terminal group 15 and the second seat body 13 are connected The bottom of the first base 12 is connected to the front end of the first base 12 with the third base 14; the terminal group 15 has an upper terminal 151 and a lower terminal 152, and a conductive sheet 153 is provided between the upper terminal 151 and the lower terminal 152 , The top and bottom of the conductive sheet 153 respectively extend the upper elastic sheet 154 and the lower elastic sheet 155, the upper elastic sheet 154 is attached to the upper terminal 151, the lower elastic sheet 155 is attached to the lower terminal 152, and the ground signal is connected together using the upper elastic sheet 154 and the lower elastic sheet 155 Conducted to the outside of the connector 1.

Such as Continental Patent Gazette, Bulletin No. CN204243365U "Electrical Connector", used to be fixed on a circuit board and can be mated with a mating connector, which includes a terminal block and the upper and lower rows of the terminal block are conductive Terminals, each of the conductive terminals includes a contact portion for docking with a mating connector, the conductive terminal includes a ground terminal, the front end of each ground terminal is a free end of the contact portion, and the rear end is a soldering foot, For the welding leg of the ground terminal It is inserted and fixed on the circuit board and forms an electrical connection with the ground terminal provided on the circuit board. The free ends of the contact portions of the ground terminals corresponding to the upper and lower rows are electrically connected to each other The ground terminals in the upper row are electrically connected in parallel with the ground terminals in the corresponding row in the lower row. Such setting can improve the resonance point of the frequency domain parameter of the connector and improve the crosstalk of the differential signal terminal beside the ground terminal.

Such as the Republic of China Patent Gazette, Bulletin No. M507603 "Connector Structure", has an insulating shell, a large number of terminals, has a metal gasket, an insulating film and a shielding shell, the shielding shell surrounds the insulating shell in vitro. The insulating shell has a pair of connecting grooves and a plurality of accommodating grooves. The insulating shell butting groove can accommodate the insertion and matching of the paired connectors. Each of the terminals is accommodated in each of the insulating housing accommodating grooves. Each metal gasket not only maintains an electrical connection with the shielding shell, but at least part of the material of each metal gasket extends into the butting groove of the insulating shell, and each terminal and the adjacent metal gasket are respectively With equal potential. .

Such as the Republic of China Patent Gazette, Bulletin No. I639280 "Electrical Connector Combination and Electrical Connector", including the first connector and the second connector, the first connector includes: the first contact; the second contact ; A plate-shaped ground plate, which is arranged between the first contact and the second contact; and the first housing, which holds the first contact, the second contact, and the ground plate; the second connector includes: the third The contact is connected to the first contact; the fourth contact is connected to the second contact; the grounding metal part is arranged at both ends of the contact arrangement direction of the third contact and the fourth contact, and is in contact with the ground plate And the second housing, which holds the third contact, the fourth contact, and the ground metal parts; and the ground plate has protrusions on both sides of the contact arrangement direction that are in contact with the ground metal parts.

The technical features of the above-mentioned patents are all based on the grounding plate inherent in the connector, and protruding metal points such as protruding bumps and short pieces are provided around the grounding plate. In order to conduct the ground signal and interference signal in the terminal to the outside, however, the above contact surface is actively small, and in fact cannot completely cover the entire terminal. Only the contacted part has the function of pouring out noise and shielding the interference signal. It cannot completely shield and isolate the signal of the entire terminal.

For example, the Republic of China Patent Gazette, Bulletin No. M564268 No. "Electrical Connector", the grounding terminal can be fixed to the front and back conductive terminals only by twice embedding the insulator, and the manufacturing process of the electrical connector can be simplified The structure, and the insulator can provide a limit to the front and back conductive terminals, and avoid the front and back conductive terminals from being lifted or separated from the insulator, so as to improve the structural strength of the electrical connector and increase the service life of the original electrical connector Insulator. In addition, this creation also provides the insulator with an integrally formed grounding body, and the grounding body and the grounding terminal in the insulator are overlapped to form a ground loop to improve the electrical characteristics of the electrical connector, and increase the strength and durability of the electrical connector However, the embedded design of this patent is the structure of the trench. The trench is provided on the surface of the insulator to allow the terminals to be nested between the trenches. Although the shielding effect between the terminals can be improved, such practices are actually It will increase the volume of the insulator, compress the space inside the connector, and also increase the manufacturing cost and complexity.

Such as the Republic of China Patent Gazette, Bulletin No. I639281 "Electrical Connector", the main structure includes a connector body; a first transmission conductor group and a second transmission conductor group provided in the connector body; at least one An isolation element between the first transmission conductor group and the second transmission conductor group; a first detection partition and a second detection partition respectively provided on both sides of the isolation element; and a plurality of formed in the isolation The supporting portion on the element is electrically connected to the first power transmission conductor of the first transmission conductor group and the second power transmission conductor of the second transmission conductor group. With the above structure, the detection terminal is integrated on the first detection partition and the second detection partition of the isolation element, so as to achieve the purpose of reducing the structure volume; the isolation element of this patent is for the first transmission conductor group, the second The arrangement of the transmission conductor group can prevent the signal interference between the first transmission conductor group and the second transmission conductor group, but it cannot be done between the terminals of the first transmission conductor group or the second transmission conductor group Signal shielding and isolation to the horizontal direction, only vertical signal isolation, in fact, when the first transmission conductor group or the second transmission conductor group transmits the signal, the distance between the two adjacent terminals is the shortest, which will cause interference This is the most direct, but this patent cannot solve the problem of signal interference between two adjacent terminals.

In view of the above-mentioned shortcomings in practice, the inventors studied and improved the aforementioned shortcomings, and finally the present invention came into being.

The main purpose of the present invention is to provide an integrated connector grounding structure that can shield signal interference between metal pins.

In order to achieve the above objectives and effects, the technical means adopted by the present invention include: a housing, a base and a terminal group, the housing has an accommodating space inside, the accommodating space accommodates the seat body, and the seat body extends a connection Board, the terminal group is connected in the connecting board; the terminal group includes a plurality of first terminals, one end of each of the first terminals is respectively extended with a first extension portion, and the other end is bent and extended with a first guide portion; a plurality of second terminals , One end of each of the second terminals is extended with a second extension portion, and the other end is bent and extended with a second guide portion; and a grounding plate is provided on the connection plate and interposed between the first terminals and the second terminals Between the terminals, the grounding sheet has a piece, and a plurality of third extensions and a plurality of fourth extensions extend from the bottom and bottom of the piece, respectively, the third extensions, the fourth extensions and the sheet There is a height difference between them, and the third extension portions and the fourth extension portions are arranged in a misaligned manner, and a third guide portion is bent and extended on one side of the sheet body.

The terminal group is connected to the aforementioned connection board, the first extensions of the first terminal groups and the third extensions of the grounding tabs respectively extend to the top surface of the connecting board, and the second extensions of the second terminal groups and the grounding tabs The fourth extensions extend to the bottom surface of the connecting plate, and the third extensions are arranged between the first extensions, and the fourth extensions are arranged between the second extensions; Therefore, the third extension portion is used to achieve lateral signal shielding isolation between the first extensions, and the fourth extension portion is used to achieve lateral signal shielding isolation between the second extensions. The third extension part and the fourth extension part are used to achieve longitudinal signal shielding isolation between the second extension parts, and therefore, the first extension part and the second extension part have a lateral direction, a lateral direction and a diagonal direction at the same time Signal shielding isolation structure.

According to the above structure, a cover plate is provided at the bottom of the connecting plate to cover the terminal set.

According to the above structure, wherein there is a height difference between the first terminals and the first extensions, and there is a height difference between the second terminals and the second extensions, then the body of the grounding plate is interposed between the Between the first extension and the second extension, and the third extension and the fourth extension extend from the sheet and are interposed between the first extension and the second extension, respectively between.

According to the above structure, wherein the base body and the connecting plate are an integrally formed structure.

According to the above structure, wherein the third extensions extend from the top surface of the sheet adjacent to both edges, the first terminals and the first extensions cover the top surface of the sheet and are interposed between the third extensions And, the fourth extensions extend from the bottom surface of the sheet adjacent to two edges, the second terminals and the second extensions cover the bottom surface of the sheet of the grounding plate and intersect the fourth extensions between.

According to the above structure, wherein the seat body includes a connecting seat, the connecting seat extends the aforementioned connecting The connecting plate is provided with a terminal group and covered with a cover plate. The first guide part, the second guide part and the third guide part of the terminal group are fixed together by a positioning seat, and the positioning seat is connected to the connecting seat The bottom, and, a set of sockets is sleeved on the connection socket and receives the connection plate.

According to the above structure, the connector may be a DisplayPort (DP) connector, an HDMI connector, a USB2.0 connector, a USB3.0 connector, or a USB higher version connector.

In order to obtain a more specific understanding of the above-mentioned objects, effects and features of the present invention, the description according to the drawings is as follows:

1‧‧‧Connector

11‧‧‧Housing

12‧‧‧The first body

13‧‧‧Second body

14‧‧‧The third body

15‧‧‧Terminal group

151‧‧‧Upper terminal

152‧‧‧Lower terminal

153‧‧‧Conducting sheet

154‧‧‧Upper shrapnel

155‧‧‧under shrapnel

2‧‧‧Connector

21‧‧‧Housing

211‧‧‧accommodation space

22‧‧‧Body

221‧‧‧Connecting seat

222‧‧‧Positioning seat

223‧‧‧socket

23‧‧‧Connecting board

231‧‧‧cover

24‧‧‧Terminal group

25‧‧‧ First terminal

251‧‧‧First extension

252‧‧‧The first guide

26‧‧‧Second terminal

261‧‧‧Second Extension

262‧‧‧Second Leading Department

27‧‧‧Ground

271‧‧‧piece

272‧‧‧The third extension

273‧‧‧The fourth extension

274‧‧‧The third guide

Figure 1 is a perspective exploded view of a conventional connector.

Figure 2 is a perspective view of a conventional connector terminal group.

Fig. 3 is an exploded perspective view of Fig. 2.

Figure 4 is a perspective view of a preferred embodiment of the present invention.

Figure 5 is an exploded perspective view of a preferred embodiment of the present invention.

Fig. 6 is a perspective view of a terminal group according to a preferred embodiment of the present invention.

Fig. 7 is an exploded perspective view of a terminal group according to a preferred embodiment of the present invention.

Figure 8 is a front view of the terminal group of the preferred embodiment of the present invention.

FIG. 9 is a side view of the terminal group of the preferred embodiment of the present invention.

Fig. 10 is an exploded perspective view of still another preferred embodiment of the present invention.

FIG. 11 is a perspective view of a terminal group according to still another preferred embodiment of the present invention.

FIG. 12 is an exploded perspective view of a terminal group according to still another preferred embodiment of the present invention.

Fig. 13 is an exploded perspective view of yet another preferred embodiment of the present invention.

FIG. 14 is a perspective view of a terminal group according to still another preferred embodiment of the present invention.

Fig. 15 is an exploded perspective view of a terminal group according to still another preferred embodiment of the present invention.

It should be clarified first that the connector mentioned in the present invention may be a DisplayPort (DP) connector, an HDMI connector, a USB2.0 connector, a USB3.0 connector or a USB higher version connector, etc., in this implementation In the example, the DP connector is used as an illustration. Please refer to FIGS. 1 to 9. It can be seen that the structure of the present invention mainly includes: a housing 21 with an accommodating space 211 inside; a body 22 housed in the foregoing Inside the housing 21, it is provided with a connecting plate 23, the connecting plate 23 extends to the outside of the seat body 22, the bottom of the connecting plate 23 is provided with a cover plate 231; a terminal group 24, connected in the aforementioned connecting plate 23, which includes: plural The first terminal 25, one end of each of the first terminals 25 is respectively extended with a first extension portion 251, and the other end is bent and extended with a first guide portion 252; a plurality of second terminals 26, one end of the second terminals 26 are respectively extended There is a second extension portion 261, and the other end is bent and extended with a second guide portion 262; a grounding plate 27 is provided on the connection plate 23 and interposed between the first terminals 25 and the second terminals 26, The grounding sheet 27 has a piece 271, and a plurality of third extensions 272 and a plurality of fourth extensions 273 extend from the bottom and bottom of the piece 271, respectively, the third extensions 272 and the fourth extensions 273 There is a height difference with the sheet body 271, and the third extension portions 272 and the fourth extension portions 273 are misaligned, and a third guide portion 274 is bent and extended on one side of the sheet body 271; The terminal group 24 is connected to the aforementioned connection plate 23, and the first terminal 25 group 24 The first extension portion 251 and the third extension portion 272 of the ground plate 27 respectively extend to the top surface of the connecting plate 23, and the second extension of the second terminals 26 group 24 and the fourth extension portion 273 of the ground plate 27 respectively extend To the bottom surface of the connecting plate 23, and the third extension portions 272 are arranged between the first extension portions 251, and the fourth extension portions 273 are arranged between the second extension portions 261; The third extension 272 is used to achieve horizontal signal shielding isolation between the first extensions 251, and the fourth extension 273 is used to achieve lateral signal shielding isolation between the second extensions 261. The third extension portion 272 and the fourth extension portion 273 are used to achieve longitudinal signal shielding and isolation between the second extension portions 261. Therefore, the first extension portion 251 and the second extension portion 261 also have a lateral direction 3. Signal shielding isolation structure in horizontal and diagonal directions.

As shown in FIGS. 10 to 12 of the month, the feature of this embodiment compared to the foregoing embodiments is that the base 22 and the connecting plate 23 are of an integrated structure, and the first terminals 25 and the first There is a difference in height between the extensions 251, and there is a difference in height between the second terminals 26 and the second extensions 261, then the body 271 of the grounding plate 27 is interposed between the first extensions 251 and the first Between the two extensions 261, and the third extensions 272 and the fourth extensions 273 extend from the sheet body 271 and are respectively interposed between the first extensions 251 and the second extensions 261, The structure of this embodiment may be an HDMI connector.

As shown in FIGS. 13 to 15 of the month, the feature of this embodiment compared to the previous embodiment is that the seat body 22 includes a connecting seat 221, the connecting seat 221 extends the connecting plate 23, and the connecting plate 23 is provided with terminals The group 24 is covered with a cover plate 231. The first guide portion 252, the second guide portion 262 and the third guide portion 274 of the terminal group 24 are fixed together by a positioning seat 222, and the positioning seat 222 is connected to the connecting seat At the bottom of 221, a set of connecting seats 223 is sleeved on the connecting seat 221 and receives the connecting plate 23; The first terminal 25, the first extension portions 251 cover the top surface of the sheet body 271 and are interposed between the third extension portions 272, and the fourth extension portions 273 are adjacent to two edges from the bottom surface of the sheet body 271 Extension, the second terminals 26 and the second extension portions 261 cover the bottom surface of the sheet body 271 of the grounding plate 27 and are interposed between the fourth extension portions 273; the structure of this embodiment may be a USB connector , Including USB2.0, USB3.0 transmission specification connectors.

Based on the above, the integrated connector grounding structure of the present invention is indeed a novel and progressive invention, and an application for an invention patent is filed according to law; but the above description is only for the description of the preferred embodiments of the present invention Any changes, modifications, changes or equivalent substitutions that extend according to the technical means and scope of the present invention should also fall within the scope of the patent application of the present invention.

24‧‧‧Terminal group

25‧‧‧ First terminal

251‧‧‧First extension

252‧‧‧The first guide

26‧‧‧Second terminal

261‧‧‧Second Extension

262‧‧‧Second Leading Department

27‧‧‧Ground

271‧‧‧piece

272‧‧‧The third extension

273‧‧‧The fourth extension

274‧‧‧The third guide

Claims (7)

An integrally formed connector grounding structure, which at least includes: a housing with an accommodating space inside; a body housed inside the housing, which is provided with a connecting plate and a terminal group connected in the connecting plate , Which includes: a plurality of first terminals, one end of each of the first terminals is extended with a first extension portion, and the other end is bent and extended with a first guide portion; a plurality of second terminals, one end of the second terminals are respectively extended There is a second extension part, and the other end is bent and extended with a second guide part; a grounding piece is provided on the connection plate and interposed between the first terminals and the second terminals, the grounding piece has a piece The bottom surface and the bottom surface of the sheet body respectively extend a plurality of third extension portions and a plurality of fourth extension portions, the third extension portions, the fourth extension portions and the sheet body have a height difference, and the first The third extension part and the fourth extension parts are arranged in a misaligned manner, and a third guide part is bent and extended on one side of the sheet body; the terminal group is connected to the foregoing connection plate, and the first terminal group An extension portion and a third extension portion of the ground plate respectively extend to the top surface of the connection plate, a second extension of the second terminal group and a fourth extension portion of the ground plate extend to the bottom surface of the connection plate, and the first The three extensions are arranged at intervals between the first extensions, and the fourth extensions are arranged at intervals between the second extensions; thereby, the third extensions are used to achieve a lateral extension between the first extensions Signal shielding isolation, the fourth extension is used to achieve horizontal signal shielding isolation between the second extensions, and the third extension and the fourth extension are used between the first extension and the second extension Longitudinal signal shielding and isolation, therefore, there are both horizontal and horizontal directions between the first extensions and the second extensions Signal shielding and isolating structure in the diagonal and diagonal directions. The one-piece connector grounding structure as described in item 1 of the patent application scope, wherein a cover plate is provided at the bottom of the connecting plate to cover the terminal set. A one-piece molded connector ground structure as described in item 1 of the patent application scope, wherein the first terminals and the first extensions have a height difference, and the second terminals and the second extensions If there is a height difference between them, the body of the grounding plate is interposed between the first extensions and the second extensions, and the third extensions and the fourth extensions extend from the body Between the first extension and the second extension respectively. The one-piece connector grounding structure as described in item 1 of the patent application scope, wherein the seat body and the connecting plate are an integrally formed structure. A one-piece molded connector ground structure as described in item 1 of the patent application scope, wherein the third extensions extend from the top surface of the sheet adjacent to two edges, and the first terminals and the first extensions are covered in The top surface of the chip is interposed between the third extensions, and the fourth extensions extend from the bottom of the chip adjacent to the two edges, and the second terminals and the second extensions cover the ground The bottom surface of the sheet body of the sheet is between the fourth extensions. A one-piece molded connector grounding structure as described in item 1 of the patent application scope, wherein the base body includes a connecting base, the connecting base extends the aforementioned connecting plate, and the terminal set is provided on the connecting plate and covered with a cover plate The first guide part, the second guide part and the third guide part are fixed together by a positioning seat, the positioning seat is connected to the bottom of the connecting seat, and a set of connecting seat is sleeved on the connecting seat and receives the connecting board. One-piece connector ground structure as described in item 1 of the patent application scope, wherein the connector may be a DisplayPort (DP) connector, an HDMI connector, a USB2.0 connector, a USB3.0 Connector or USB later connector. .

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