TWM597522U - Electrical connector - Google Patents

Abstract

The present application discloses an electrical connector. The electrical connector may include: a housing; and a plurality of transmission pieces, the plurality of transmission pieces are stacked in a row and inserted in the casing, at least one of the plurality of transmission pieces transmits The sheet includes a plurality of ground terminals and a plurality of differential signal terminal pairs, wherein the housing includes: an insulating portion; and a conductive portion fixed to the insulating portion, and the conductive portion partially surrounds the ground terminal for interfacing with the connector The area where the grounding terminals cooperate with each other. With such an arrangement, the conductive portion can be used to provide a better shielding effect at a position where the ground terminal of the electrical connector and the ground terminal of the mating connector are electrically connected.

Description

Electrical connector

The invention relates to an electrical connector.

The existing electrical connector includes multiple transmission sheets and a single integrated insulating housing. When the electrical connector is connected to the mating connector, the mating section of the ground terminal of the electrical connector is electrically connected to the ground terminal of the mating connector. However, at locations where the ground terminal of the electrical connector is electrically connected to the ground terminal of the mating connector, poor shielding and impedance performance may occur.

In view of this, the present invention provides an electrical connector to overcome the above drawbacks, thereby improving the overall shielding effect of the electrical connector.

The present invention provides an electrical connector. The electrical connector may include: a housing; and a plurality of transmission pieces, the plurality of transmission pieces are arranged in a row in a stack and inserted into the casing, a plurality of the transmission At least one of the transmission pieces in the sheet includes a plurality of ground terminals and a plurality of differential signal terminal pairs, wherein the housing includes: an insulating portion; and a conductive portion fixed to the insulating portion, and the conductive portion is partially The area surrounding the ground terminal for cooperating with the ground terminal of the mating connector. With such an arrangement, the conductive portion can be used to provide a better shielding effect at a position where the ground terminal of the electrical connector and the ground terminal of the mating connector are electrically connected.

Further, the conductive part may electrically connect a plurality of the transmission sheets. With this arrangement, the overall common ground effect of the electrical connector can be improved and crosstalk can be reduced.

Further, the conductive portion may have a thickness in the plugging direction, wherein the conductive portion has a plurality of first openings and a plurality of second openings penetrating the conductive portion in the plugging direction, so The arrangement of the first opening and the second opening corresponds to the arrangement of at least one of the ground terminal and the differential signal terminal pair of the transmission, such that one of the ground terminals passes through the corresponding one of the first One opening, and one pair of the differential signal terminals passes through the corresponding one of the second openings. Further, the ground terminal and the differential signal terminal pair may form a gap with the inner walls of the corresponding first and second openings. With such an arrangement, the conductive portion is connected between the ground terminal of the electrical connector and the mating connector The ground terminal is connected with a certain gap at the position where the ground terminal is electrically connected, thereby generating a good shielding effect.

Further, the ground terminal of the transmission sheet may include a mating section, a tail section, and an intermediate section connected to the mating section and the tail section, the mating section is used for connecting with the mating connector The mating section of the ground terminal is electrically connected to form a first connection point, and the first connection point is adjacent to the first opening.

Further, the conductive portion may be used to electrically connect with the mating section of the ground terminal of the butt connector to form a second connection point, the second connection point is located in the first opening, wherein, the The position of the second connection point is closer to the middle section of the ground terminal relative to the position of the first connection point.

Further, at least one of the plurality of transmission sheets includes an insulating frame and a shield provided on one side of the insulating frame, wherein the conductive portion is electrically connected to one end of the shield to form at least one The third connection point.

Further, at least one of the plurality of transmission sheets may include an insulating frame and a shield provided on one side of the insulating frame, wherein one end of the shield is provided with a plurality of fingers, the The conductive portion is electrically connected to at least one of the fingers to form at least one third connection point.

Further, at least one first end of the finger may be connected to the end of the shield, and at least one second end of the finger opposite to the first end is electrically connected to the Fit segment.

Further, at least one first end of the finger may be connected to the end of the shield, and at least one second end of the finger opposite the first end overlaps the The inner wall of the corresponding first opening of the conductive portion.

With this arrangement, the electrical connection between the ground terminal of the transmission piece, the corresponding ground terminal of the butt connector and the conductive portion of the housing is grounded together, thereby generating a more efficient shielding effect.

Further, the conductive part may be fixed to the insulating part by injection molding or assembly.

Further, the conductive portion may have a thickness in the insertion direction, wherein the conductive portion has a plurality of openings penetrating the conductive portion in the insertion direction, and the arrangement of the plurality of openings corresponds to In the arrangement manner of the ground terminal and the differential signal terminal pair of at least one of the transmission plates, such that one ground terminal and one differential signal terminal pair pass through the corresponding one of the openings.

100‧‧‧Electrical connector

100’‧‧‧ Butt connector

1‧‧‧Housing

11‧‧‧Dock

111‧‧‧ Butt terminal hole

112‧‧‧Insulation Department

113‧‧‧Conducting Department

1131‧‧‧First opening

1132‧‧‧Second opening

12‧‧‧Locating plate

2‧‧‧Transfer

21‧‧‧Insulation frame

20‧‧‧Shield

201‧‧‧End

22‧‧‧Ground terminal

22’‧‧‧Ground terminal

221‧‧‧ coordination section

221’‧‧‧ coordination section

222‧‧‧End

223‧‧‧Middle section

23‧‧‧Differential signal terminal pair

24‧‧‧ Finger

241‧‧‧ first end

242‧‧‧Second end

A1‧‧‧First connection point

A2‧‧‧Second connection point

A3‧‧‧The third connection point

D‧‧‧thickness

H‧‧‧ Height direction

S‧‧‧plug direction

W‧‧‧Width

FIG. 1 is a schematic perspective view of an electrical connector according to the present invention;

2 is an exploded schematic view of the electrical connector of FIG. 1;

3 is a schematic plan view of a transmission sheet of the electrical connector in FIG. 2.

4 is a schematic perspective view of the housing of the electrical connector according to the present invention;

5 is a schematic front view of the housing of the electrical connector according to the present invention in FIG. 4, which schematically shows a pair of ground terminals and differential signal terminals inserted in the housing;

6 is a schematic perspective view of the conductive portion of the housing of the electrical connector according to the present invention;

7 is a partial cross-sectional perspective view of the electrical connector according to the first embodiment of the present invention, which shows the connection manner of the ground terminal of the electrical connector and the ground terminal of the mating connector;

8 is another partial cross-sectional perspective view of the electrical connector according to the first embodiment of the present invention to show how the ground terminal, conductive portion and shielding sheet of the electrical connector are connected; and

9 is a partial cross-sectional perspective view of an electrical connector according to a second embodiment of the present invention, which shows how the ground terminal of the electrical connector is connected to the ground terminal of the mating connector.

The technical solutions in the embodiments of the present application will be described in detail below in conjunction with the drawings in the embodiments of the present application. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other if there is no conflict.

As shown in FIG. 1, the present invention discloses an electrical connector 100 which is, for example, a high-speed (high-frequency) connector applied to a server or a switch, but the present invention is not limited thereto. Among them, the electrical connector 100 can be used to detachably (in a plugging direction S) plug-in connector (see FIG. 7 to FIG. 9 for details). To facilitate the description of the present invention, the electrical connector 100 defines a width direction W and a height direction H perpendicular to the insertion direction S, and the width direction W and the height direction H are perpendicular to each other.

As shown in FIGS. 1 and 2, the electrical connector 100 includes a housing 1 and a plurality of transmission sheets 2 inserted in the above-mentioned casing 1, and the plurality of transmission sheets 2 are arranged in a stack in the width direction W in the present invention In a row, at least one of the plurality of transmission slices 2 includes a plurality of ground terminals 22 and a plurality of differential signal terminal pairs 23. Further, as shown in FIG. 3, any ground terminal 22 of the plurality of ground terminals 22 includes a mating section 221, a tail section 222, and an intermediate section 223 connected to the mating section 221 and the tail section 222. The middle section 223 is placed in the insulating frame 21 of the transmission sheet 2, and the mating section 221 and the tail section 222 respectively extend from both ends of the middle section 223 to the outside of the insulating frame 21 in different directions.

As shown in FIGS. 1 and 2, the housing 1 includes a plug portion 11 that is substantially rectangular parallelepiped, and two positioning plates that extend from the top and bottom ends of the plug portion 11 along the plug-in direction S, respectively. 12. Wherein, the insertion portion 11 is formed with a plurality of through rows of docking terminal holes 111 formed on the front surface thereof, and any row of the above rows of docking terminal holes 111 corresponds to one transmission sheet 2 in position, that is, each row is docked The arrangement direction of the terminal holes 111 is parallel to the height direction H. As shown in FIG. 2, the plurality of transmission pieces 2 are inserted into the insertion portion 11 of the above-mentioned casing 1 and snap-fitted to the two positioning plates 12 of the casing 1.

As shown in FIG. 4, the housing 1 further includes an insulating portion 112 and a conductive portion 113, the conductive portion 113 is fixed to the insulating portion 112, and the conductive portion 113 partially surrounds the ground terminal 22 for interfacing with the connector 100' The area where the ground terminals 22' fit each other (as shown in FIGS. 4 to 6), and the conductive portion 113 can be further used for electrical connection with the ground terminal 22' of the butt connector 100' (as shown in FIGS. 7 to 9). In addition, as can be seen with reference to FIGS. 1 to 6, the conductive portion 113 electrically connects the plurality of transmission sheets 2 together, so that the plurality of transmission sheets 2 are connected in series to ground.

As shown in FIGS. 7 and 9, the conductive portion 113 has a thickness D in the insertion direction S. In addition, as shown in FIG. 6, the conductive portion 113 has a plurality of first openings 1131 and a plurality of second openings 1132 penetrating the conductive portion 113 in the insertion direction S. The arrangement of the first openings 1131 and the second openings 1132 corresponds to In the arrangement of the ground terminal 22 and the differential signal terminal pair 23 of at least one transmission sheet 2 as shown in FIG. 5, one ground terminal 22 passes through the corresponding first opening 1131 and one differential signal terminal pair 23 passes through the corresponding A second opening 1132, wherein the ground terminal 22 may form a gap with the inner wall of the first opening 1131 and the differential signal terminal pair 23 may form a gap with the inner wall of the second opening 1132. In addition, according to an embodiment not shown in the drawings, one ground terminal 22 and one differential signal terminal pair 23 may share an opening, that is, the conductive portion 113 has a portion penetrating the conductive portion 113 in the insertion direction S A plurality of openings, the arrangement of these openings corresponds to the arrangement of the ground terminal 22 and the differential signal terminal pair 23 of at least one transmission sheet 2 as shown in FIG. 5, such that one ground terminal 22 and one differential signal terminal pair 23 are worn together Through an opening. However, the present invention is not limited to this. For example, the ground terminal 22 may be in contact with the corresponding first opening 11, but does not affect the engagement of the ground terminal 22 with the ground terminal 22' of the mating connector 100'.

Specifically, as shown in FIGS. 7 to 9, the mating section 221 of the ground terminal 22 is used to electrically connect with the mating section 221' of the ground terminal 22' of the butt connector 100' to form a first connection point A1, The first connection point A1 is adjacent to the first opening 1131. Preferably, the first connection point A1 may be located within the range of the thickness D of the conductive portion 113, thereby increasing the connection stability of the mating section 221 and the mating section 221'. In addition, the conductive portion 113 is used to electrically connect with the mating section 221 ′ of the ground terminal 22 ′ of the butt connector 100 ′ to form a second connection point A2. The second connection point A2 is located in the first opening 1131, that is, located in the conductive portion 113 Within the range of the thickness D, the conductive part 113, the ground terminal 22', and the ground terminal 22 are connected in series and grounded in series. In addition, the position of the second connection point A2 is closer to the middle section 223 of the ground terminal 22 relative to the position of the first connection point A1.

Referring to FIGS. 3 and 7 together, as shown in FIG. 3, the transmission sheet 2 includes an insulating frame 21 and a shield 20 provided on one side of the insulating frame 21. As shown in FIG. 7, the conductive portion 113 is electrically connected to one end 201 of the shield 20 to form at least one third connection point A3, thereby further enhancing the series connection of the conductive portion 113, the ground terminal 22 ′, and the ground terminal 22 via the shield sheet 20 Common ground.

3, 7 and 8, the shield 20 includes a plurality of fingers 24 disposed at the end 201 of the shield sheet 20, the conductive portion 113 and at least one finger 24 at at least one third connection point A3 Electrical connection. In addition, the first end 241 of the at least one finger 24 is connected to the end 201 of the shield 20, and the other end of the at least one finger 24, that is, the second end 242 opposite to the first end 241, is electrically connected to the mating section 221. The first end 241 of the at least one finger 24 is used to be electrically connected to the conductive portion 113 at the third connection point A3, and the second end 242 is electrically connected to the ground terminal 22 to further promote series connection and common grounding.

FIG. 9 shows the arrangement of the fingers 24 in the electrical connector according to another embodiment of the invention. The first end 241 of the at least one finger 24 is connected to the end 201 of the shield 20, and the second end 242 of the at least one finger 24 opposite the first end 241 overlaps the corresponding first end of the conductive portion 113 An inner wall of an opening 1131, thereby enhancing the electrical connection between the shielding sheet 20 and the conductive portion 113.

In addition, the conductive portion 113 can be fixed to the insulating portion 112 by injection molding or assembly; in this embodiment, the conductive portion 113 is a conductive layer plated with insulating plastic (for example: copper, gold, nickel, etc. conductive materials), However, the invention is not limited thereto. For example, the conductive portion 113 may be formed by insulating plastic mixed with conductive metal particles, or formed by a single conductive material.

The above are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of this application shall be included in the scope of protection of this application.

112‧‧‧Insulation Department

113‧‧‧Conducting Department

100’‧‧‧ Butt connector

2‧‧‧Transfer

201‧‧‧End

22‧‧‧Ground terminal

22’‧‧‧Ground terminal

221‧‧‧ coordination section

221’‧‧‧ coordination section

24‧‧‧ Finger

241‧‧‧ first end

242‧‧‧Second end

A1‧‧‧First connection point

A2‧‧‧Second connection point

A3‧‧‧The third connection point

D‧‧‧thickness

S‧‧‧plug direction

Claims (11)

An electrical connector (100), including: A housing (1); and A plurality of transmission pieces (2) are arranged in a row in a stack and inserted into the casing (1), at least one transmission piece (2) of the transmission pieces (2) includes a plurality of ground terminals (22) and a plurality of Differential signal terminal pairs (23), Wherein, the housing (1) includes: An insulating section (112); and A conductive portion (113) is fixed to the insulating portion (112), and the conductive portion (113) partially surrounds a plurality of ground terminals (22') of the grounding terminal for interfacing with the connector (100') Interoperable areas. The electrical connector (100) according to claim 1, wherein the conductive portion (113) electrically connects the transmission plates (2). The electrical connector (100) according to claim 1, wherein the conductive portion (113) has a thickness (D) in a plugging direction (S), wherein the conductive portion (113) has a thickness in the plugging direction (S) a plurality of first openings (1131) and a plurality of second openings (1132) penetrating through the conductive portion (113), the arrangement of the first openings (1131) and the second openings (1132) The arrangement of the ground terminals (22) and the differential signal terminal pairs (23) corresponding to the at least one transmission plate (2) is such that one of the ground terminals (22) passes through the first An opening (1131) has a corresponding first opening, and a differential signal terminal pair of the differential signal terminal pairs (23) passes through a corresponding second opening of the second openings (1132). The electrical connector (100) according to claim 3, wherein the at least one transmission slice (2) Each ground terminal of the equal ground terminal (22) includes a mating section (221), a tail section (222), and an intermediate section (223) connected to the mating section (221) and the tail section (222), The mating sections (221) of the at least one transmission sheet (2) are used to electrically connect the mating sections (221') of the grounding terminals (22') of the mating connector (100') to form a plurality of A first connection point (A1), each first connection point of the first connection points (A1) is adjacent to a corresponding one of the first openings (1131). The electrical connector (100) according to claim 4, wherein the conductive portion (113) is used to mate with the mating sections (221') of the ground terminals (22') of the mating connector (100') The electrical connection forms a plurality of second connection points (A2), the second connection points (A2) are located in the first openings (1131), wherein in each first opening (1131), the second connection The position of the point (A2) is closer to the middle section (223) of the ground terminal (22) relative to the position of the first connection point (A1). The electrical connector (100) according to claim 1, wherein the at least one transmission piece (2) of the transmission pieces (2) includes an insulating frame (21) and a side disposed on the insulating frame (21) A shield (20), wherein the conductive portion (113) is electrically connected to one end (201) of the shield (20) to form at least one third connection point (A3). The electrical connector (100) according to claim 4, wherein the at least one transmission piece (2) of the transmission pieces (2) includes an insulating frame (21) and a side disposed on the insulating frame (21) A shield (20), wherein one end (201) of the shield (20) is provided with a plurality of fingers (24), the conductive portion (113) and at least one finger of the fingers (24) The portion (24) is electrically connected to form at least one third connection point (A3). The electrical connector (100) according to claim 7, wherein a first part of the at least one finger (24) One end (241) is connected to the end (201) of the shield (20), and a second end (242) of the at least one finger (24) opposite to the first end (241) is electrically connected to One of the matching sections (221). The electrical connector (100) according to claim 7, wherein a first end (241) of the at least one finger (24) is connected to the end (201) of the shield (20), and the at least A second end (242) of the finger portion (24) opposite to the first end (241) overlaps a corresponding one of the first openings (1131) of the conductive portion (113) An inner wall of (1131). The electrical connector (100) according to claim 1, wherein the conductive portion (113) is fixed to the insulating portion (112) by injection molding or assembly. The electrical connector (100) according to claim 1, wherein the conductive portion (113) has a thickness (D) in a plugging direction (S), wherein the conductive portion (113) has a A plurality of openings penetrating the conductive portion (113) in the direction (S), and the arrangement of the openings corresponds to the ground terminals (22) and the differential signal terminal pairs (23) of the at least one transmission sheet (2) ) Is arranged such that one of the ground terminals (22) and one of the differential signal terminal pairs (23) pass through a corresponding one of the openings.

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