CN215681014U - Board-to-board bridging connector and connector assembly - Google Patents

Abstract

The application discloses a board-to-board bridging connector and a connector assembly, wherein the board-to-board bridging connector comprises an insulating body, a plurality of signal terminals and a metal shell, the insulating body is provided with a first surface, a second surface and a side surface, the first surface and the second surface are opposite, the side surface is positioned between the first surface and the second surface, and the first surface and the second surface are positioned in a first direction; the signal terminals are arranged on the insulating body at intervals along a second direction orthogonal to the first direction and exposed from the first surface; the metal shell is arranged on one side of the insulating body, the metal shell is positioned on one side of the second surface and the side surface of the insulating body, the plurality of metal shells are provided with a plurality of grounding pieces, and the plurality of grounding pieces are positioned on one side of the side surface of the insulating body in a third direction orthogonal to the first direction and the second direction.

Description

Board-to-board bridging connector and connector assembly

Technical Field

The application relates to the technical field of connectors, in particular to a board-to-board bridging connector and a connector assembly.

Background

The present board-to-board connector generally includes two connectors and a connecting circuit board, the connecting circuit board is connected with the two connectors, and the connecting circuit board can be a flexible board and a rigid board. When the board-to-board connector is used, the terminals of the two connectors of the board-to-board connector are respectively contacted with or welded with the contact pads of the two circuit boards, and the board-to-board connector is respectively locked with the two circuit boards through screws. However, the existing board-to-board connector is not specially provided with a grounding piece to connect with the two circuit boards for grounding, which also means that the board-to-board connector is easily subjected to electromagnetic interference in the signal transmission process, thereby affecting the signal transmission performance of the board-to-board connector.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a board to board bridging connector and connector assembly, and solves the problem that the signal transmission performance of the existing board to board connector is poor.

In order to solve the technical problem, the present application is implemented as follows:

in one embodiment, there is provided a board-to-board bridging connector including: the insulating body is provided with a first surface, a second surface and a side surface, wherein the first surface and the second surface are opposite to each other, and the side surface is positioned between the first surface and the second surface; a plurality of signal terminals disposed at intervals in a second direction orthogonal to the first direction on the insulating body and exposed from the first surface; and the metal shell is arranged on one side of the insulating body, is positioned on one side of the second surface and the side surface of the insulating body, and is provided with a plurality of grounding pieces, and the grounding pieces are positioned on one side of the side surface of the insulating body in a third direction orthogonal to the first direction and the second direction.

In another embodiment, a connector assembly is provided, comprising: the board-to-board bridging connector of the above embodiment; the mother circuit board is provided with a plurality of first signal contact pads and first grounding contact pads, the plurality of first signal contact pads are arranged at intervals along the second direction, and the first grounding contact pads are arranged on one sides of the plurality of first signal contact pads; the sub circuit board is provided with a plurality of second signal contact pads and second grounding contact pads, the plurality of second signal contact pads are arranged at intervals along a second direction, and the second grounding contact pads are arranged on one sides of the plurality of second signal contact pads; when the board-to-board bridging connectors are arranged on the mother circuit board and the daughter circuit board, the plurality of signal terminals are respectively in contact connection with the plurality of first signal contact pads and the plurality of second signal contact pads, and the plurality of grounding pieces are respectively in contact connection with the first grounding contact pads and the second grounding contact pads.

In yet another embodiment, there is provided a connector assembly comprising: the two-board-to-board bridging connector of the above embodiment; the mother circuit board is provided with a plurality of first signal contact pads and first ground contact pads on two opposite surfaces in a first direction respectively, the first signal contact pads are arranged at intervals in a second direction, and the first ground contact pads are arranged on one sides of the first signal contact pads; the sub circuit board is provided with a plurality of second signal contact pads and second grounding contact pads on two opposite surfaces in the first direction respectively, the plurality of second signal contact pads are arranged at intervals in the second direction, and the second grounding contact pads are arranged on one sides of the plurality of second signal contact pads; when the two-board-to-board bridging connectors are respectively arranged on one sides of two opposite surfaces of the mother circuit board and the daughter circuit board in the first direction, the plurality of signal terminals are respectively in contact connection with the plurality of first signal contact pads and the plurality of second signal contact pads, and the plurality of grounding pieces are respectively in contact connection with the first grounding contact pads and the second grounding contact pads.

In the embodiment of the application, the plurality of grounding pieces are arranged on the two opposite sides of the metal shell, so that when the board-to-board bridging connector is connected with the mother circuit board and the daughter circuit board, the plurality of grounding pieces and the first grounding contact pad of the mother circuit board and the second grounding contact pad of the daughter circuit board electromagnetically shield the plurality of signal terminals, thereby preventing the board-to-board bridging connector from being subjected to electromagnetic interference during signal transmission, and effectively improving the signal transmission performance of the board-to-board bridging connector. The utility model provides a plurality of signal terminals are connected with a plurality of first signal contact pads of mother circuit board and a plurality of second signal contact pad contact of daughter circuit board, effectively avoid producing rosin joint or soldering tin uneven distribution scheduling problem because of the welding, avoid influencing the signal transmission performance of board to board bridging connector.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a perspective view of a board-to-board bridging connector of a first embodiment of the present application;

fig. 2 is another perspective view of a board-to-board bridging connector of the first embodiment of the present application;

FIG. 3 is an exploded view of a board-to-board bridge connector of the first embodiment of the present application;

FIG. 4 is a cross-sectional view taken along line A-A' of FIG. 1;

FIG. 5 is a perspective view of a connector assembly of a second embodiment of the present application;

FIG. 6 is an exploded view of a connector assembly of a second embodiment of the present application;

FIG. 7 is a cross-sectional view taken along line B-B' of FIG. 5;

FIG. 8 is a perspective view of a connector assembly of a third embodiment of the present application;

FIG. 9 is an exploded view of a connector assembly of a third embodiment of the present application; and

fig. 10 is a sectional view taken along line C-C' of fig. 8.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, 2, 3 and 4, a first embodiment of a board-to-board bridge connector according to the present application is shown in a perspective view, an exploded view and a cross-sectional view taken along line a-a' in fig. 1; as shown in the figure, the board-to-board bridge connector 1 includes an insulating body 10, a plurality of signal terminals 11 and a metal housing 12, the insulating body 10 has a first surface 10a and a second surface 10b opposite to each other and a side surface 10c located between the first surface 10a and the second surface 10b, and the first surface 10a and the second surface 10b are located in a first direction Z. The signal terminals 11 are disposed at intervals along the second direction X on the insulating body 10 and exposed from the first surface 10 a. The metal shell 12 is disposed on one side of the insulating body 10, and the metal shell 12 is disposed on one side of the second surface 10b and the side surface 10c of the insulating body 10.

The first surface 10a of the insulating body 10 of the embodiment has a plurality of first grooves 101 and a plurality of second grooves 102, the plurality of first grooves 101 and the plurality of second grooves 102 are respectively disposed on the first surface 10a at intervals along the second direction X, the plurality of first grooves 101 are arranged at one side of the plurality of second grooves 102, and the plurality of first grooves 101 respectively correspond to the plurality of second grooves 102 one to one. The plurality of signal terminals 11 respectively have a signal connection portion 111, a first signal contact end portion 112 and a second signal contact end portion 113, the first signal contact end portion 112 and the second signal contact end portion 113 are disposed at two sides of the signal connection portion 111, the signal connection portions 111 of the plurality of signal terminals 11 are respectively disposed in the insulating body 10 between the plurality of first grooves 101 and the plurality of second grooves 102, the first signal contact end portions 112 of the plurality of signal terminals 11 are respectively disposed in the plurality of first grooves 101, and the second signal contact end portions 113 of the plurality of signal terminals 11 are respectively disposed in the plurality of second grooves 102. The first signal contact ends 112 and the second signal contact ends 113 of the plurality of signal terminals 11 of the present embodiment extend along the third direction Y orthogonal to the first direction Z and the second direction X, the first signal contact ends 112 and the second signal contact ends 113 of the plurality of signal terminals 11 are substantially parallel to the horizontal direction, the first signal contact ends 112 of the plurality of signal terminals 11 respectively have first signal contact protrusions 1121, the second signal contact ends 113 of the plurality of signal terminals 11 respectively have second signal contact protrusions 1131, and the first signal contact protrusions 1121 and the second signal contact protrusions 1131 of the plurality of signal terminals 11 protrude along the first direction Z and in a direction away from the insulating body 10.

The metal shell 12 of the present embodiment has a top plate 121, a plurality of side plates 122 and a plurality of grounding members 123, wherein the plurality of side plates 122 are disposed at intervals along a periphery of the top plate 121, the plurality of grounding members 123 are disposed on two opposite sides of the top plate 121 in the third direction Y, and the plurality of grounding members 123 are disposed between the two adjacent side plates 122. When the metal shell 12 is assembled on the insulating body 10, the top plate 121 is disposed on one side of the second surface 10b of the insulating body 10, the plurality of side plates 122 are disposed on one side of the side surface 10c of the insulating body 10, the plurality of grounding pieces 123 are disposed on one side of the side surface 10c of the insulating body 10 in the third direction Y, and one ends of the plurality of grounding pieces 123 far away from the top plate 121 protrude from the first surface 10a of the insulating body 10. Specifically, the plurality of grounding members 123 include a grounding elastic arm 1231 and a grounding contact protrusion 1232, one end of the grounding elastic arm 1231 is connected to the top plate 121, the grounding contact protrusion 1232 is provided at one end of the grounding elastic arm 1231 away from the top plate 121 and connected thereto, and the grounding contact protrusion 1232 protrudes from the first surface 10a of the insulating body 10.

Referring to fig. 5, 6 and 7, a connector assembly according to a second embodiment of the present application is shown in a perspective view, an exploded view and a cross-sectional view taken along line B-B' of fig. 5; as shown in the drawings, the connector assembly 2 of the present embodiment includes a board-to-board bridging connector 1, a mother circuit board 21 and a daughter circuit board 22, where the board-to-board bridging connector 1 uses the board-to-board bridging connector of the first embodiment, the mother circuit board 21 has a plurality of first signal contact pads 211 and first ground contact pads 212, the plurality of first signal contact pads 211 are disposed at intervals along the second direction X, the first ground contact pads 212 are disposed at one side of the plurality of first signal contact pads 211, in the present embodiment, the first ground contact pads 212 are C-shaped, and the first ground contact pads 212 are disposed around the plurality of first signal contact pads 211. The daughter circuit board 22 has a plurality of second signal contact pads 221 and second ground contact pads 222, the plurality of second signal contact pads 221 are disposed at intervals along the second direction X, the second ground contact pads 222 are disposed at one side of the plurality of second signal contact pads 221, in this embodiment, the second ground contact pads 222 are C-shaped, and the second ground contact pads 222 are disposed around the plurality of second signal contact pads 221. In the present embodiment, the thicknesses of the mother circuit board 21 and the daughter circuit board 22 in the first direction Z are the same, the mother circuit board 21 and the daughter circuit board 22 are located on the same horizontal plane, the surface of the mother circuit board 21 having the plurality of first signal contact pads 211 and the first ground contact pads 212 is located on the same horizontal plane as the surface of the daughter circuit board 22 having the plurality of second signal contact pads 221 and the second ground contact pads 222. When the board-to-board bridge connector 1 is disposed on the mother circuit board 21 and the daughter circuit board 22, the first signal contact protrusions 1121 of the signal terminals 11 of the board-to-board bridge connector 1 are respectively connected to the first signal contact pads 211 in a contact manner, the second signal contact protrusions 1131 of the signal terminals 11 of the board-to-board bridge connector 1 are respectively connected to the second signal contact pads 221 in a contact manner, and the ground contact protrusions 1232 of the ground members 123 of the board-to-board bridge connector 1 are respectively connected to the first ground contact pad 212 and the second ground contact pad 222 in a contact manner.

The signal terminals 11 of the present embodiment are formed by a bending process, the signal terminals 11 have good elasticity, and the signal terminals 11 do not need to be soldered to the first signal contact pads 211 of the mother board 21 and the second signal contact pads 221 of the daughter board 22, and the first signal contact protrusions 1121 and the second signal contact protrusions 1131 of the signal terminals 11 can be respectively connected to the first signal contact pads 211 of the mother board 21 and the second signal contact pads 221 of the daughter board 22. When the board-to-board bridge connector 1 is excessively pressed, the signal terminals 11 have good elasticity, so that the signal terminals 11 are prevented from excessively pressing the mother circuit board 21 and the daughter circuit board 22 to damage the mother circuit board 21 and the daughter circuit board 22.

In addition, the metal shell 12 of the present embodiment is in contact connection with the first ground contact pad 212 of the mother circuit board 21 and the second ground contact pad 222 of the daughter circuit board 22 through the plurality of ground members 123, so as to electromagnetically shield the plurality of signal terminals 11 located among the metal shell 12, the mother circuit board 21 and the daughter circuit board 22, and the plurality of first signal contact pads 211 and the plurality of second signal contact pads 221 connected to the plurality of signal terminals 11, thereby avoiding the problem of electromagnetic interference occurring during signal transmission of the plurality of signal terminals 11, the plurality of first signal contact pads 211 and the plurality of second signal contact pads 221 which are in contact connection.

As shown in fig. 2, 3 and 5, the board-to-board bridge connector 1 of the present embodiment further includes a plurality of power terminals 13, the plurality of power terminals 13 are disposed on the insulating body 10 and exposed from the first surface 10a, and the plurality of power terminals 13 are located at two ends or/and a middle portion of the insulating body 10. In this embodiment, the first surface 10a of the insulating body 10 further has a plurality of third grooves 103, and the plurality of power terminals 13 are respectively disposed in the plurality of third grooves 103. The power terminals 13 of the present embodiment respectively have a power connection portion 131 and a plurality of power contact end portions 132, the power contact end portions 132 are respectively disposed at two ends of the power connection portion 131, and the power contact end portions 132 extend along the third direction Y. The plurality of power source contact ends 132 respectively have power source contact protrusions 1321, and the power source contact protrusions 1321 extend along the first direction Z and protrude from the first surface 10a of the insulating body 10, so that the board-to-board bridge connector 1 is suitable for high power requirements. The mother board 21 has a plurality of first power contact pads 213, the daughter board 22 has a plurality of second power contact pads 223, and when the board-to-board bridging connector 1 is disposed on the mother board 21 and the daughter board 22, the power contact protrusions 1321 of the plurality of power terminals 13 are respectively in contact connection with the plurality of first power contact pads 213 of the mother board 21 and the plurality of second power contact pads 223 of the daughter board 22.

The housing 10 of the present embodiment has four first fixing holes 104, and the four first fixing holes 104 are located at four corners of the housing 10. The metal shell 12 has four second fixing through holes 124, and the four second fixing through holes 124 respectively correspond to the four first fixing through holes 104, so the four second fixing through holes 124 are located at four corners of the metal shell 12. The two ends of the mother circuit board 21 respectively have a third fixing through hole 214, and the two third fixing through holes 214 correspond to the first fixing through hole 104 and the second fixing through hole 124 at the two ends of the insulating body 10. The two ends of the sub-circuit board 22 respectively have a fourth fixing through hole 224, and the two fourth fixing through holes 224 correspond to the first fixing through hole 104 and the second fixing through hole 124 at the two ends of the insulating body 10. Since the board-to-board bridge connector 1 of the present embodiment is fixed to the mother board 21 and the daughter board 22 by locking, the signal terminals 11 of the present embodiment do not need to be soldered to the mother board 21 and the daughter board 22, so as to avoid the problem of insufficient soldering or uneven soldering caused by soldering from affecting the overall signal transmission performance.

The connector assembly 2 of the present embodiment further includes four locking members 23, two of the four locking members 23 respectively pass through the corresponding second fixing through hole 124, the corresponding first fixing through hole 104 and the corresponding third fixing through hole 214 to fix the insulating body 10, the metal shell 12 and the mother circuit board 21, and the other two of the four locking members 23 respectively pass through the corresponding second fixing through hole 124, the corresponding first fixing through hole 104 and the corresponding fourth fixing through hole 224 to fix the insulating body 10, the metal shell 12 and the daughter circuit board 22. The locking member 23 of the present embodiment is composed of a screw and a nut. The four locking members 23 of the present embodiment may be made of an insulating material (e.g., plastic) or a conductive material (e.g., metal), if the four locking members 23 are made of a conductive material, the third fixing through hole 214 of the mother circuit board 21 of the present embodiment penetrates through the first ground contact pad 212, the fourth fixing through hole 224 of the daughter circuit board 22 penetrates through the second ground contact pad 222, two of the four locking members 23 are connected to the metal shell 12 and the first ground contact pad 212 of the mother circuit board 21, and the other two of the four locking members 23 are connected to the metal shell 12 and the second ground contact pad 222 of the daughter circuit board 22, so as to achieve the grounding effect, thereby increasing the electromagnetic shielding effect of the board-to-board bridge connector 1, and improving the signal transmission performance of the board-to-board bridge connector 1.

The first surface 10a of the insulation body 10 of the present embodiment further has two positioning pillars 105 and a first side 10d and a second side 10e opposite to each other in the third direction Y, the two positioning pillars 105 are located at two ends of the insulation body 10, the two positioning pillars 105 are respectively close to the first side 10d and the second side 10e, in other words, the two positioning pillars 105 are disposed diagonally. One end of the mother circuit board 21 has a first positioning hole 215, and one end of the daughter circuit board 22 away from the first positioning hole 215 has a second positioning hole 225. When the board-to-board bridging connector 1 is disposed on the mother circuit board 21 and the daughter circuit board 22, the two positioning posts 105 respectively pass through the first positioning holes 215 of the mother circuit board 21 and the second positioning holes 225 of the daughter circuit board 22 to pre-position the positions of the board-to-board bridging connector 1 on the mother circuit board 21 and the daughter circuit board 22, so as to ensure that the plurality of signal terminals 11 and the plurality of grounding members 123 can be accurately in contact connection with the plurality of first signal contact pads 211 and the first grounding contact pads 212 of the mother circuit board 21 and the plurality of second signal contact pads 221 and the second grounding contact pads 222 of the daughter circuit board 22, thereby facilitating the subsequent fixing operation.

The first side 10d and the second side 10e of the insulating body 10 of the embodiment further have a plurality of pillars 106 respectively, the pillars 106 are disposed at intervals along the second direction X and extend along the third direction Y, and the pillars 106 are connected to the side plates 122 respectively. The side plates 122 respectively have a recess 1221 and a retaining post 1222, the retaining post 1222 is located in the recess 1221 and extends along the first direction Z. The posts 106 further have retaining holes 1061, when the insulating housing 10 is assembled to the metal housing 12, the posts 106 are disposed in the notches 1221 of the side plates 122, and the retaining posts 1222 of the side plates 122 pass through the retaining holes 1061 of the posts 106, so as to increase the stable connection between the insulating housing 10 and the metal housing 12.

The first side 10d and the second side 10e of the insulation body 10 of the embodiment further have ribs 107, respectively, and the ribs 107 extend along the third direction Y. The metal shell 12 further has protrusions 125 on two opposite sides in the third direction Y, and the protrusions 125 extend along the third direction Y and cover the second surface 10b and the side surfaces 10c of the corresponding protruding ribs 107, so as to increase the structural strength of the insulating body 10 and the metal shell 12.

Referring to fig. 8, 9 and 10, a third embodiment of the connector assembly of the present application is shown in perspective view, exploded view and cross-sectional view taken along line C-C' of fig. 8; as shown in the drawings, the connector assembly 2 of the present embodiment includes a two-board-to-board bridging connector 1, a mother circuit board 21 and a daughter circuit board 22, the two-board-to-board bridging connector 1 uses the board-to-board bridging connector of the first embodiment, the mother circuit board 21 has a plurality of first signal contact pads 211 and first ground contact pads 212 on two opposite surfaces in the first direction Z, the plurality of first signal contact pads 211 are disposed at intervals along the second direction X, the first ground contact pads 212 are disposed on one sides of the plurality of first signal contact pads 211, in the present embodiment, the first ground contact pads 212 are C-shaped, and the first ground contact pads 212 are disposed around the plurality of first signal contact pads 211. The two opposite surfaces of the daughter circuit board 22 in the first direction Z respectively have a plurality of second signal contact pads 221 and a second ground contact pad 222, the plurality of second signal contact pads 221 are disposed at intervals along the second direction X, and the second ground contact pad 222 is disposed at one side of the plurality of second signal contact pads 221. When the two-board-to-board bridge connector 1 is disposed on one side of the two opposite surfaces of the mother circuit board 21 and the daughter circuit board 22 in the first direction Z, the first signal contact protrusions 1121 of the signal terminals 11 of the two-board-to-board bridge connector 1 are respectively connected to the first signal contact pads 211 in a contact manner, the second signal contact protrusions 1131 of the signal terminals 11 of the two-board-to-board bridge connector 1 are respectively connected to the second signal contact pads 221 in a contact manner, and the ground contact protrusions 1232 of the ground members 123 of the two-board-to-board bridge connector 1 are respectively connected to the first ground contact pad 212 and the second ground contact pad 222 in a contact manner.

If there is a high power requirement, the mother circuit board 21 has a plurality of first power contact pads 213 on two opposite surfaces thereof in the first direction Z, the daughter circuit board 22 has a plurality of second power contact pads 223 on two opposite surfaces thereof in the first direction Z, and the power contact protrusions 1321 of the power terminals 13 of the two-board-to-board bridge connector 1 are respectively in contact connection with the plurality of first power contact pads 213 of the mother circuit board 21 and the plurality of second power contact pads 223 of the daughter circuit board 22.

To sum up, by providing a plurality of grounding members at two opposite sides of the metal shell, when the board-to-board bridging connector is connected to the mother circuit board and the daughter circuit board, the plurality of grounding members and the first grounding contact pad of the mother circuit board and the second grounding contact pad of the daughter circuit board, so that the plurality of metal shells, the mother circuit board and the daughter circuit board perform electromagnetic shielding on the plurality of signal terminals, thereby preventing the board-to-board bridging connector from being subjected to electromagnetic interference during signal transmission, and effectively improving the signal transmission performance of the board-to-board bridging connector.

In addition, a plurality of signal terminals of this application are connected with a plurality of first signal contact pads of mother circuit board and a plurality of second signal contact pads contact of daughter circuit board, effectively avoid producing the insufficient solder or the uneven scheduling problem of soldering tin distribution not distributing because of the welding, avoid influencing the signal transmission performance of board to board bridging connector.

Furthermore, a plurality of signal terminals of this application form through bending technology, and extend along the horizontal direction, so a plurality of signal terminals of this application have good elasticity, can ensure a plurality of signal terminals can with a plurality of first signal contact pads of mother circuit board and a plurality of second signal contact pads of daughter circuit board contact between, also can avoid a plurality of signal terminals to extrude mother circuit board and daughter circuit board and lead to mother circuit board and daughter circuit board to damage.

Claims (14)

1. A board-to-board bridging connector, comprising:

the insulating body is provided with a first surface, a second surface and a side surface, wherein the first surface and the second surface are opposite to each other, the side surface is positioned between the first surface and the second surface, and the first surface and the second surface are positioned in a first direction;

a plurality of signal terminals disposed at intervals in a second direction orthogonal to the first direction on the insulating body and exposed from the first surface; and

the metal shell is arranged on one side of the insulating body and is positioned on one side of the second surface and the side surface of the insulating body, and the metal shell is provided with a plurality of grounding pieces which are positioned on one side of the side surface of the insulating body in a third direction orthogonal to the first direction and the second direction.

2. The board-to-board bridge connector according to claim 1, wherein the plurality of signal terminals respectively have signal connection portions, first signal contact end portions and second signal contact end portions, the first signal contact end portions and the second signal contact end portions being disposed at both sides of the signal connection portions, the first signal contact end portions and the second signal contact end portions extending in the third direction, the first signal contact end portions having first signal contact protrusions, the second signal contact end portions having second signal contact protrusions, the first signal contact protrusions and the second signal contact end portions protruding in the first direction.

3. The board-to-board bridge connector of claim 2, wherein the first surface of the dielectric body has a plurality of first grooves and a plurality of second grooves, the first grooves and the second grooves are respectively arranged on the first surface at intervals along the second direction, the plurality of first grooves are arranged at one side of the plurality of second grooves, the plurality of first grooves respectively correspond to the plurality of second grooves, the signal connecting parts of the signal terminals are arranged on the insulating body between the first grooves and the second grooves, the first signal contact end portions and the second signal contact end portions of the plurality of signal terminals are respectively located in the plurality of first grooves and the plurality of second grooves, the first signal contact protrusions and the second signal contact protrusions of the plurality of signal terminals protrude in a direction away from the insulating body.

4. The board-to-board bridge connector according to claim 2, wherein the metal housing further has a top board and a plurality of side boards, the side boards are spaced along a periphery of the top board, the grounding members are disposed on two opposite sides of the top board in the third direction, the grounding members are disposed between two adjacent side boards, the top board is disposed on one side of the second surface of the insulative housing, and the side boards are disposed on one side of the side surface of the insulative housing.

5. The board-to-board bridge connector of claim 4, wherein the plurality of grounding members have a grounding spring arm and a grounding contact protrusion, one end of the grounding spring arm is connected to the top board, the grounding contact protrusion is disposed at one end of the grounding spring arm away from the top board and connected to the grounding spring arm, and the grounding contact protrusion protrudes from the first surface of the insulating body.

6. A connector assembly, comprising:

the board-to-board bridging connector of claim 1;

a mother circuit board having a plurality of first signal contact pads and first ground contact pads, the plurality of first signal contact pads being disposed at intervals along the second direction, the first ground contact pads being disposed at one side of the plurality of first signal contact pads; and

a sub circuit board having a plurality of second signal contact pads and a second ground contact pad, the plurality of second signal contact pads being disposed at intervals along the second direction, the second ground contact pad being disposed at one side of the plurality of second signal contact pads;

when the board-to-board bridging connectors are disposed on the mother circuit board and the daughter circuit board, the plurality of signal terminals are respectively in contact connection with the plurality of first signal contact pads and the plurality of second signal contact pads, and the plurality of grounding elements are respectively in contact connection with the first grounding contact pads and the second grounding contact pads.

7. The connector assembly of claim 6, wherein the thickness of the mother circuit board and the daughter circuit board in the first direction are the same, and a surface of the mother circuit board having the first plurality of signal contact pads and the first ground contact pads is at the same level as a surface of the daughter circuit board having the second plurality of signal contact pads and the second ground contact pads.

8. The connector assembly of claim 6, wherein the board-to-board bridging connector further comprises a plurality of power terminals disposed on the insulative housing and exposed from the first surface, the plurality of power terminals being located at two ends or/and a middle portion of the insulative housing, the mother circuit board further having a plurality of first power contact pads, the daughter circuit board further having a plurality of second power contact pads, the plurality of power terminals being in contact connection with the plurality of first power contact pads and the plurality of second power contact pads, respectively.

9. The connector assembly of claim 8, wherein the plurality of power terminals each have a power connection portion and a plurality of power contact end portions, the plurality of power contact end portions being respectively disposed at both ends of the power connection portion, the plurality of power contact end portions extending in the third direction, the plurality of power contact end portions each having a power contact protrusion, the power contact protrusion protruding in the first direction.

10. The connector assembly of claim 9, wherein the first surface of the insulative body further has a plurality of third recesses in which the plurality of power terminals are respectively disposed, the power contact protrusions of the plurality of power terminals protruding from the first surface of the insulative body.

11. The connector assembly of claim 6, wherein the first surface of the housing further comprises two positioning posts, the housing has a first side and a second side opposite to each other in the third direction, the two positioning posts are located at two ends of the housing, the two positioning posts are respectively close to the first side and the second side, and the two positioning posts are arranged diagonally; one end of the mother circuit board is provided with a first positioning hole, one end of the daughter circuit board, which is far away from the first positioning hole, is provided with a second positioning hole, and the two positioning columns are respectively arranged in the first positioning hole and the second positioning hole.

12. The connector assembly of claim 6, wherein the housing has first and second opposing sides in the third direction, the first and second sides of the housing further having a plurality of posts spaced apart along the second direction and extending along the third direction; the metal shell is further provided with a top plate and a plurality of side plates, the side plates are arranged at intervals along the periphery of the top plate, and the cylinders are connected with the side plates respectively.

13. The connector assembly of claim 12, wherein the plurality of posts further have respective retention apertures, the plurality of side plates have respective notches and retention posts located in the notches and extending in the first direction, the plurality of posts are located in the notches of the plurality of side plates, the retention posts of the plurality of side plates pass through the retention apertures of the plurality of posts, respectively.

14. A connector assembly, comprising:

a two board-to-board bridging connector of claim 1;

the mother circuit board is provided with a plurality of first signal contact pads and first ground contact pads on two opposite surfaces in the first direction respectively, the plurality of first signal contact pads are arranged at intervals along the second direction, and the first ground contact pads are arranged on one sides of the plurality of first signal contact pads; and

the daughter circuit board is provided with a plurality of second signal contact pads and second ground contact pads on two opposite surfaces in the first direction respectively, the plurality of second signal contact pads are arranged at intervals along the second direction, and the second ground contact pads are arranged on one sides of the plurality of second signal contact pads;

when the two board-to-board bridging connectors are respectively disposed on one side of two opposite surfaces of the mother circuit board and the daughter circuit board in the first direction, the plurality of signal terminals are respectively in contact connection with the plurality of first signal contact pads and the plurality of second signal contact pads, and the plurality of grounding members are respectively in contact connection with the first grounding contact pads and the second grounding contact pads.

Images