Connector assembly

Abstract

A connector assembly includes a metal shielding housing and a heat sink. The metal shielding shell comprises a first shell part, a second shell part and a containing groove. The first shell part comprises a first accommodating cavity; the first accommodating cavity is configured to accommodate a first butting connector; the second shell part comprises a second containing cavity, and the second containing cavity is configured to contain a second butt joint connector. The first housing portion and the second housing portion are configured to be mounted on a circuit board in a third direction, the third direction being perpendicular to the circuit board. The heat dissipation plate is inserted into the containing groove in the third direction. The heat dissipation plate is configured to at least exchange heat with the first butt joint connector and the second butt joint connector so as to dissipate heat of the first butt joint connector and the second butt joint connector.

Description

Background Art

[0002] In related art, a connector assembly generally includes an electrical connector for mounting on a circuit board and a metal shielding housing mounted on the circuit board and surrounding the periphery of the electrical connector. The electrical connector is provided with an insulating body and a plurality of conductive terminals. The insulating body is provided with a docking slot, and the conductive terminals include elastic contact portions protruding into the docking slot. The metal shielding housing includes a receiving space communicating with the docking slot. When a docking connector is inserted, the docking connector is received in the receiving space, and a tongue plate of the docking connector is inserted into the docking slot, so that a conductive sheet on the tongue plate contacts the elastic contact portion, thereby realizing electrical conduction.

[0003] However, with the continuous improvement of the signal transmission requirements of electrical connectors, the density of the conductive terminals is also increasing continuously, which also puts forward higher requirements for heat dissipation. Summary of the Invention

[0004] The purpose of the present invention is to provide a connector assembly with better heat dissipation effect.

[0005] To achieve the above purpose, the present invention adopts the following technical scheme: A connector assembly, which includes:

[0006] A metal shielding housing, the metal shielding housing includes a first housing portion, a second housing portion, and a receiving groove located between the first housing portion and the second housing portion along a first direction; wherein the first housing portion includes a first wall portion, a first side wall portion connected to the first wall portion, a second side wall portion connected to the first wall portion, and a first receiving cavity at least surrounded by the first wall portion, the first side wall portion, and the second side wall portion, the first receiving cavity is configured to receive a first docking connector, and the first side wall portion and the second side wall portion are spaced apart along a second direction; the second housing portion includes a second wall portion, a third side wall portion connected to the second wall portion, a fourth side wall portion connected to the second wall portion, and a second receiving cavity at least surrounded by the second wall portion, the third side wall portion, and the fourth side wall portion, the second receiving cavity is configured to receive a second docking connector, and the third side wall portion and the fourth side wall portion are spaced apart along the second direction; the first receiving cavity is provided with a first opening opening towards the receiving groove, the second receiving cavity is provided with a second opening opening towards the receiving groove, and the first opening and the second opening are arranged opposite to each other; the first housing portion and the second housing portion are configured to be mounted on a circuit board along a third direction, the third direction is perpendicular to the circuit board; the first direction, the second direction, and the third direction are perpendicular to each other pairwise; and

[0007] A heat dissipation plate, which is inserted into the accommodation groove along the third direction. The heat dissipation plate includes a first side surface and a second side surface opposite to the first side surface, wherein at least a part of the first side surface is exposed to the first opening, and at least a part of the second side surface is exposed to the second opening; the heat dissipation plate is configured to perform heat exchange with at least the first docking connector and the second docking connector to dissipate heat from the first docking connector and the second docking connector.

[0008] As a further improved technical solution of the present invention, the accommodation groove includes a first accommodation groove and a second accommodation groove communicating with the first accommodation groove, wherein the first accommodation groove is located at the bottom of the second accommodation groove, and the heat dissipation plate is inserted into the first accommodation groove;

[0009] The connector assembly further includes a support block inserted into the second accommodation groove and in contact with the heat dissipation plate.

[0010] As a further improved technical solution of the present invention, the support block is provided with a positioning groove, and the first housing part and / or the second housing part is provided with a positioning tab that is snapped into the positioning groove along the third direction.

[0011] As a further improved technical solution of the present invention, the positioning groove includes a first positioning groove, a second positioning groove, a third positioning groove, and a fourth positioning groove, and the first positioning groove, the second positioning groove, the third positioning groove, and the fourth positioning groove all penetrate through the support block along the third direction; the first positioning groove and the second positioning groove are located on one side of the support block along the first direction, and the third positioning groove and the fourth positioning groove are located on the other side of the support block along the first direction;

[0012] The first housing part includes a first positioning tab bent from the first side wall part and a second positioning tab bent from the second side wall part; the second housing part includes a third positioning tab bent from the third side wall part and a fourth positioning tab bent from the fourth side wall part; the bending directions of the first positioning tab and the second positioning tab are the same or opposite; the bending directions of the third positioning tab and the fourth positioning tab are the same or opposite;

[0013] The positioning tabs include the first positioning tab, the second positioning tab, the third positioning tab, and the fourth positioning tab, wherein the first positioning tab is snapped into the first positioning groove, the second positioning tab is snapped into the second positioning groove, the third positioning tab is snapped into the third positioning groove, and the fourth positioning tab is snapped into the fourth positioning groove.

[0014] As a further improved technical solution of the present invention, the connector assembly also includes a grounding plate installed on the support block, and the grounding plate includes a first abutment spring sheet protruding into the first receiving cavity and a second abutment spring sheet protruding into the second receiving cavity, the first abutment spring sheet is configured to abut with the first docking connector, and the second abutment spring sheet is configured to abut with the second docking connector.

[0015] As a further improved technical solution of the present invention, the first housing portion includes a first abutting piece fixed to the first side wall portion and the second side wall portion, and the first abutting piece is provided with a first abutting protrusion protruding into the second accommodating groove;

[0016] The second housing portion includes a second abutting piece fixed to the third side wall portion and the fourth side wall portion, and the second abutting piece is provided with a second abutting protrusion protruding into the second accommodating groove;

[0017] The first abutting protrusion and the second abutting protrusion are configured to limit the heat dissipation plate to prevent the heat dissipation plate from escaping from the first accommodating groove.

[0018] As a further improved technical solution of the present invention, the first shell portion includes a plurality of first grounding spring plates, the second shell portion includes a plurality of second grounding spring plates, and the plurality of first grounding spring plates and the plurality of second grounding spring plates are both configured to contact the grounding path of the circuit board.

[0019] As a further improved technical solution of the present invention, the first side wall portion and the third side wall portion are aligned along the first direction, and the second side wall portion and the fourth side wall portion are aligned along the first direction;

[0020] The first shell portion includes a first elastic sheet fixed on the first wall portion, a second elastic sheet fixed on the first side wall portion, and a third elastic sheet fixed on the second side wall portion; a portion of the first elastic sheet extends into the first receiving cavity, and another portion of the first elastic sheet is located outside the first receiving cavity; a portion of the second elastic sheet extends into the first receiving cavity, and another portion of the second elastic sheet is located outside the first receiving cavity; a portion of the third elastic sheet extends into the first receiving cavity, and another portion of the third elastic sheet is located outside the first receiving cavity; the first elastic sheet, the second elastic sheet, and the third elastic sheet extending into the first receiving cavity are configured to abut against the first docking connector;

[0021] The second housing part includes a fourth elastic piece fixed on the second wall part, a fifth elastic piece fixed on the third side wall part, and a sixth elastic piece fixed on the fourth side wall part; a part of the fourth elastic piece extends into the second receiving cavity, and another part of the fourth elastic piece is located outside the second receiving cavity; a part of the fifth elastic piece extends into the second receiving cavity, and another part of the fifth elastic piece is located outside the second receiving cavity; a part of the sixth elastic piece extends into the second receiving cavity, and another part of the sixth elastic piece is located outside the second receiving cavity; the fourth elastic piece, the fifth elastic piece, and the sixth elastic piece extending into the second receiving cavity are configured to abut against the second docking connector.

[0022] As a further improved technical solution of the present invention, the first housing part includes a first mounting tab integrally bent from the second side wall part, and the first mounting tab is provided with a first mounting hole penetrating the first mounting tab along the third direction;

[0023] The circuit board is provided with a first through hole corresponding to the first mounting hole along the third direction;

[0024] The connector assembly includes a first fastener passing through the first through hole and the first mounting hole to fix the first mounting tab on the circuit board.

[0025] As a further improved technical solution of the present invention, the heat dissipation plate is a liquid cooling plate, which includes a coolant inlet, a coolant outlet, and an internal flow channel connecting the coolant inlet and the coolant outlet.

[0026] As a further improved technical solution of the present invention, there are several first housing parts arranged along the second direction, and several first receiving cavities are arranged at intervals along the second direction;

[0027] There are several second housing parts arranged along the second direction, and several second receiving cavities are arranged at intervals along the second direction;

[0028] Several of the first receiving cavities and several of the second receiving cavities are all communicated with the accommodating groove.

[0029] As a further improved technical solution of the present invention, there are several metal shielding housings arranged at intervals along the second direction; each metal shielding housing is provided with the accommodating groove;

[0030] The heat dissipation plate is of an integral structure and is inserted into the accommodating grooves of several of the metal shielding housings.

[0031] As a further improved technical solution of the present invention, the heat dissipation plate includes positioning convex columns, the circuit board is provided with positioning holes, and the positioning convex columns are configured to be inserted into the positioning holes.

[0032] As a further improved technical solution of the present invention, the heat dissipation plate includes mounting protrusions, and the mounting protrusions are provided with second mounting holes;

[0033] The circuit board is provided with second through holes corresponding to the second mounting holes along the third direction;

[0034] The connector assembly includes a second fastener passing through the second through hole and screwed into the second mounting hole to fix the mounting protrusion to the circuit board.

[0035] Compared with the prior art, the metal shielding housing of the present invention is provided with a first receiving cavity, a second receiving cavity, and a receiving groove located between the first receiving cavity and the second receiving cavity. By providing a heat dissipation plate inserted into the receiving groove along the third direction perpendicular to the circuit board, the heat dissipation plate can dissipate heat from the first docking connector inserted into the first receiving cavity and the second docking connector inserted into the second receiving cavity, thereby improving the heat dissipation effect. At the same time, the heat generated on the circuit board can form an upward heat flow and be dissipated to a certain extent through the heat dissipation plate.

[0036] The present invention also discloses the following technical solution: A connector assembly, which includes:

[0037] A metal shielding housing, the metal shielding housing includes a receiving cavity configured to receive a docking connector along the third direction; the metal shielding housing is configured to be mounted on the circuit board along the third direction, and the third direction is perpendicular to the circuit board; and

[0038] A liquid cooling plate, at least a part of the side surface of the liquid cooling plate is exposed to the receiving cavity, and the side surface is configured to be at least in contact with the docking connector to dissipate heat from the docking connector through the liquid cooling plate.

[0039] As a further improved technical solution of the present invention, the metal shielding housing includes a first housing part, a second housing part, and a receiving groove located between the first housing part and the second housing part along the first direction; the first housing part and the second housing part are configured to be mounted on the circuit board along the third direction; wherein the first housing part includes a first receiving cavity configured to receive a first docking connector, and the second housing part includes a second receiving cavity configured to receive a second docking connector;

[0040] The receiving cavity includes the first receiving cavity and the second receiving cavity;

[0041] The liquid cooling plate is inserted into the accommodation groove along the third direction; the side surface includes a first side surface at least partially exposed to the first accommodation cavity and a second side surface at least partially exposed to the second accommodation cavity; the first side surface is configured to contact the first docking connector to dissipate heat from the first docking connector; the second side surface is configured to contact the second docking connector to dissipate heat from the second docking connector.

[0042] As a further improved technical solution of the present invention, the accommodation groove includes a first accommodation groove and a second accommodation groove communicating with the first accommodation groove, wherein the first accommodation groove is located at the bottom of the second accommodation groove, and the liquid cooling plate is inserted into the first accommodation groove;

[0043] The connector assembly further includes a support block inserted into the second accommodation groove and in contact with the liquid cooling plate.

[0044] As a further improved technical solution of the present invention, the connector assembly further includes a grounding plate mounted on the support block. The grounding plate includes a contact elastic piece protruding into the accommodation cavity, and the contact elastic piece is configured to abut against the docking connector.

[0045] As a further improved technical solution of the present invention, the liquid cooling plate includes positioning convex columns, and the circuit board is provided with positioning holes. The positioning convex columns are configured to be inserted into the positioning holes.

[0046] As a further improved technical solution of the present invention, the liquid cooling plate includes mounting protrusions, and the mounting protrusions are provided with second mounting holes;

[0047] The circuit board is provided with second through holes corresponding to the second mounting holes along the third direction;

[0048] The connector assembly includes a second fastener passing through the second through hole and screwed into the second mounting hole to fix the mounting protrusion to the circuit board.

[0049] Compared with the prior art, the metal shielding housing of the present invention is mounted on the circuit board along the third direction perpendicular to the circuit board. The liquid cooling plate can perform heat exchange with the docking connector, thereby improving the heat dissipation effect. At the same time, the heat generated on the circuit board can form an upward heat flow and be dissipated to a certain extent through the liquid cooling plate. Description of the Drawings

[0050] Figure 1 is a perspective schematic diagram of the connector assembly of the present invention in one embodiment;

[0051] Figure 2 is Figure 1Partial exploded perspective view, with one grounding tab separated out;

[0052] Figure 3 is Figure 2 A partial enlarged view of the circled part B in

[0053] Figure 4 is Figure 2 A further exploded perspective view, with several grounding tabs and several support blocks separated out;

[0054] Figure 5 is Figure 4 A partial enlarged view of the circled part C in

[0055] Figure 6 is Figure 4 A perspective schematic view of a group of grounding tabs and a support block in

[0056] Figure 7 is Figure 4 A partial exploded perspective view from another angle;

[0057] Figure 8 is Figure 4 A further exploded perspective view;

[0058] Figure 9 is Figure 8 A partial enlarged view of the circled part D in

[0059] Figure 10 is Figure 8 A partial enlarged view of the circled part E in

[0060] Figure 11 is Figure 8 A partial exploded perspective view from another angle;

[0061] Figure 12 is Figure 11 A partial enlarged view of the circled part F in

[0062] Figure 13 An exploded perspective view of several metal shielding cases, a heat sink, several grounding tabs and several support blocks of the present invention;

[0063] Figure 14 is Figure 13 An exploded perspective view from another angle;

[0064] Figure 15 is Figure 13 A perspective schematic view of a first abutting piece and a second abutting piece in

[0065] Figure 16 is along Figure 1 A sectional schematic view along the G-G line in Detailed Embodiments

[0066] The following will describe in detail the exemplary specific embodiments of the present invention with reference to the accompanying drawings. If there are several specific embodiments, the features in these embodiments can be combined with each other without conflict. When the description involves the accompanying drawings, unless otherwise specified, the same numbers in different drawings represent the same or similar elements. The content described in the following exemplary specific embodiments does not represent all embodiments consistent with the present invention; on the contrary, they are only examples of devices, products, and / or methods consistent with some aspects of the present invention recorded in the claims of the present invention.

[0067] The terms used in the present invention are only for the purpose of describing specific embodiments and are not intended to limit the protection scope of the present invention. The singular forms of "a", "the", or "said" used in the specification and claims of the present invention are also intended to include the plural forms unless the context clearly indicates otherwise.

[0068] It should be understood that the terms such as "first", "second", and similar words used in the specification and claims of the present invention do not represent any order, quantity, or importance, but are only used to distinguish the named features. Similarly, words such as "a" or "one" do not represent a quantity limitation, but indicate the existence of at least one. Unless otherwise indicated, the words such as "front", "rear", "upper", "lower", etc. used in the present invention are only for convenience of description and are not limited to a specific position or a spatial orientation. The expression "comprising" or "including" is an open-ended expression, meaning that the elements appearing before "comprising" or "including" cover the elements appearing after "comprising" or "including" and their equivalents, which does not exclude that the elements appearing before "comprising" or "including" may also include other elements. If "several" appears in the present invention, it means two or more.

[0069] Please refer to Figures 1 to 16 As shown, the present invention discloses a connector assembly, which includes a circuit board 200 and a connector component 100 mounted on the circuit board.

[0070] Please combine Figure 8 and Figure 10As shown, the circuit board 200 includes a first surface 201 (such as an upper surface), a second surface 202 opposite to the first surface 201 (such as a lower surface), a plurality of conductive sheets 203 exposed on the first surface 201, a ground path 204 located at the periphery of the plurality of conductive sheets 203 and exposed on the first surface 201, positioning holes 205 penetrating through the first surface 201 and the second surface 202, a first through hole 206 penetrating through the first surface 201 and the second surface 202, and a second through hole 207 penetrating through the first surface 201 and the second surface 202.

[0071] In the illustrated embodiment of the present invention, the circuit board 200 includes four mounting areas. Only one of the mounting areas will be described as an example below.

[0072] The plurality of conductive sheets 203 located in this mounting area are divided into four groups. Each group of conductive sheets 203 includes a plurality of first conductive sheets 2031 and a plurality of second conductive sheets 2032. The plurality of first conductive sheets 2031 are arranged in two rows, and the plurality of second conductive sheets 2032 are also arranged in two rows.

[0073] Please refer to Figure 4 As shown, in the illustrated embodiment of the present invention, the connector assembly 100 includes four metal shielding housings 1 and are respectively installed in the four mounting areas of the circuit board 200. The structures of the four metal shielding housings 1 are similar. Only one of the metal shielding housings 1 will be described in detail as an example below.

[0074] Please refer to Figure 3 , Figure 5 , Figure 13 and Figure 14 As shown, the metal shielding housing 1 includes at least one first housing portion 10, at least one second housing portion 20, and a receiving groove 30 located between the first housing portion 10 and the second housing portion 20 along a first direction A1 - A1 (such as a left - right direction). In the illustrated embodiment of the present invention, the receiving groove 30 includes a first receiving groove 301 and a second receiving groove 302 communicating with the first receiving groove 301, wherein the first receiving groove 301 is located at the bottom of the second receiving groove 302.

[0075] The first housing portion 10 includes a first wall portion 11, a first side wall portion 12 connected to the first wall portion 11, a second side wall portion 13 connected to the first wall portion 12, and a first receiving cavity 110 at least surrounded by the first wall portion 11, the first side wall portion 12, and the second side wall portion 13. The first receiving cavity 110 is configured to receive a first docking connector (such as an OSFP plug connector, not shown). The first side wall portion 12 and the second side wall portion 13 are arranged at intervals along a second direction A2-A2 (such as the front-back direction). In the illustrated embodiment of the present invention, the first receiving cavity 110 is generally U-shaped, and the first receiving cavity 110 is provided with a first opening 1101 that opens to the receiving groove 30.

[0076] Similarly, the second housing portion 20 includes a second wall portion 21, a third side wall portion 22 connected to the second wall portion 21, a fourth side wall portion 23 connected to the second wall portion 21, and a second receiving cavity 210 at least surrounded by the second wall portion 21, the third side wall portion 22, and the fourth side wall portion 23. The second receiving cavity 210 is configured to receive a second docking connector (such as an OSFP plug connector, not shown). The third side wall portion 22 and the fourth side wall portion 23 are arranged at intervals along the second direction A2-A2. In the illustrated embodiment of the present invention, the second receiving cavity 210 is generally U-shaped, and the second receiving cavity 210 is provided with a second opening 2101 that opens to the receiving groove 30. The first opening 1101 and the second opening 2101 are arranged facing each other, that is, the first opening 1101 opens to the second opening 2101, and the second opening 2101 opens to the first opening 1101.

[0077] Those skilled in the art can understand that the connector assembly 100 further includes a first socket connector (such as an OSFP socket connector, not shown) and a second socket connector (such as an OSFP socket connector, not shown) mounted on the circuit board 200.

[0078] The first socket connector includes a first insulating body and a plurality of first conductive terminals fixed within the first insulating body. The first insulating body is provided with a first docking slot that penetrates upward through the first insulating body, and the first docking slot communicates upward with the first receiving cavity 110. The first docking slot is used to receive the first tongue plate of the first docking connector. The plurality of first conductive terminals protrude into the first docking slot to contact the first gold fingers on the first tongue plate. The plurality of first conductive terminals are electrically connected (such as welded) to the plurality of first conductive sheets 2031. The first socket connector is received at the bottom of the first receiving cavity 110. The first housing portion 10 surrounds the first socket connector on all sides, but the first housing portion 10 is not fixed to the first insulating body. In other words, the first socket connector and the first housing portion 10 are respectively mounted on the circuit board 200, and the first housing portion 10 surrounds the first socket connector to achieve a better shielding effect.

[0079] The second socket connector includes a second insulating body and a plurality of second conductive terminals fixed within the second insulating body. The second insulating body is provided with a second docking slot that penetrates upward through the second insulating body, and the second docking slot communicates upward with the second receiving cavity 210. The second docking slot is used to receive the second tongue plate of the second docking connector. The plurality of second conductive terminals protrude into the second docking slot to contact the second gold fingers on the second tongue plate. The plurality of second conductive terminals are electrically connected (such as welded) to the plurality of second conductive sheets 2032. The second socket connector is received at the bottom of the second receiving cavity 210. The second housing portion 20 surrounds the second socket connector on all sides, but the second housing portion 20 is not fixed to the second insulating body. In other words, the second socket connector and the second housing portion 20 are respectively mounted on the circuit board 200, and the second housing portion 20 surrounds the first socket connector to achieve a better shielding effect.

[0080] The first housing portion 10 and the second housing portion 20 are configured to be mounted on the circuit board 200 along a third direction A3-A3 (such as the vertical direction), and the third direction A3-A3 is perpendicular to the circuit board 200. In the illustrated embodiment of the present invention, the first direction A1-A1, the second direction A2-A2, and the third direction A3-A3 are perpendicular to each other pairwise.

[0081] Those skilled in the art can understand that in the illustrated embodiment of the present invention, the height of the metal shielding housing 1 along the third direction A3-A3 is greater than the width of the metal shielding housing 1 along the first direction A1-A1, and is also greater than the length of the metal shielding housing 1 along the second direction A2-A2.

[0082] In the illustrated embodiment of the present invention, there are a plurality of the first housing portions 10 arranged along the second direction A2-A2, and a plurality of the first receiving cavities 110 arranged at intervals along the second direction A2-A2. Similarly, there are a plurality of the second housing portions 20 arranged along the second direction A2-A2, and a plurality of the second receiving cavities 210 arranged at intervals along the second direction A2-A2. A plurality of the first receiving cavities 110 and a plurality of the second receiving cavities 210 are all communicated with the receiving groove 30.

[0083] Please refer to Figure 5 As shown, in the illustrated embodiment of the present invention, the first housing portion 10 includes a first positioning tab 121 bent from the first side wall portion 12 and a second positioning tab 131 bent from the second side wall portion 13. The second housing portion 20 includes a third positioning tab 221 bent from the third side wall portion 22 and a fourth positioning tab 231 bent from the fourth side wall portion 23. The bending directions of the first positioning tab 121 and the second positioning tab 131 are the same or opposite; the bending directions of the third positioning tab 221 and the fourth positioning tab 231 are the same or opposite. In the illustrated embodiment of the present invention, the bending directions of the first positioning tab 121 and the second positioning tab 131 are opposite; the bending directions of the third positioning tab 221 and the fourth positioning tab 231 are the same.

[0084] Please refer to Figure 5 and Figure 15 As shown, in the illustrated embodiment of the present invention, the first housing portion 10 includes a first abutting piece 14 fixed to the first side wall portion 12 and the second side wall portion 13, and the first abutting piece 14 is provided with a first abutting tab 141 protruding into the second accommodating groove 302. In an embodiment of the present invention, the first abutting tab 141 is integrally stamped from the first abutting piece 14.

[0085] Similarly, the second housing portion 20 includes a second abutting piece 24 fixed to the third side wall portion 22 and the fourth side wall portion 23, and the second abutting piece 24 is provided with a second abutting tab 241 protruding into the second accommodating groove 302. In an embodiment of the present invention, the second abutting tab 241 is integrally stamped from the second abutting piece 24.

[0086] Please refer to Figure 5 As shown, the first housing portion 10 further includes a first elastic piece 51 fixed to the first wall portion 11, a second elastic piece 52 fixed to the first side wall portion 12, and a third elastic piece 53 fixed to the second side wall portion 13. A part of the first elastic piece 51 extends into the first receiving cavity 110, and another part of the first elastic piece 51 is located outside the first receiving cavity 110; a part of the second elastic piece 52 extends into the first receiving cavity 110, and another part of the second elastic piece 52 is located outside the first receiving cavity 110; a part of the third elastic piece 53 extends into the first receiving cavity 110, and another part of the third elastic piece 53 is located outside the first receiving cavity 110; the first elastic piece 51, the second elastic piece 52, and the third elastic piece 53 extending into the first receiving cavity 110 are all configured to abut against the first docking connector to achieve grounding and provide a holding force. In addition, the first elastic piece 51, the second elastic piece 52, and the third elastic piece 53 located outside the first receiving cavity 110 are all configured to abut against a mounting plate (not shown) to achieve grounding.

[0087] The second housing portion 20 includes a fourth elastic piece 54 fixed to the second wall portion 21, a fifth elastic piece 55 fixed to the third side wall portion 22, and a sixth elastic piece 56 fixed to the fourth side wall portion 23; a part of the fourth elastic piece 54 extends into the second receiving cavity 210, and another part of the fourth elastic piece 54 is located outside the second receiving cavity 210; a part of the fifth elastic piece 55 extends into the second receiving cavity 210, and another part of the fifth elastic piece 55 is located outside the second receiving cavity 210; a part of the sixth elastic piece 56 extends into the second receiving cavity 210, and another part of the sixth elastic piece 56 is located outside the second receiving cavity 210; the fourth elastic piece 54, the fifth elastic piece 55, and the sixth elastic piece 56 extending into the second receiving cavity 210 are all configured to abut against the second docking connector to achieve grounding and provide a holding force. In addition, the fourth elastic piece 54, the fifth elastic piece 55, and the sixth elastic piece 56 located outside the second receiving cavity 210 are all configured to abut against the mounting plate to achieve grounding.

[0088] In the illustrated embodiment of the present invention, the connector assembly 100 includes a heat dissipation plate 4, a plurality of support blocks 6 stacked on the heat dissipation plate 4, and a plurality of grounding sheets 7 mounted on the plurality of support blocks 6.

[0089] The heat dissipation plate 4 is inserted into the first accommodation groove 301 from top to bottom along the third direction A3-A3, and the support blocks 6 are inserted into the second accommodation groove 302 from top to bottom along the third direction A3-A3.

[0090] Those skilled in the art can understand that in the illustrated embodiment of the present invention, the height of the heat dissipation plate 4 along the third direction A3-A3 is greater than the width of the heat dissipation plate 4 along the first direction A1-A1, and is also greater than the length of the heat dissipation plate 4 along the second direction A2-A2.

[0091] During the insertion process of the heat dissipation plate 4, under the guidance of the first abutting tab 141 and the second abutting tab 241, the heat dissipation plate 4 first abuts against the first abutting tab 141 and the second abutting tab 241, causing the first abutting tab 141 and the second abutting tab 241 to deform outward; when the heat dissipation plate 4 passes through the first abutting tab 141 and the second abutting tab 241, the heat dissipation plate 4 is completely located in the first accommodating groove 301. At this time, the first abutting tab 141 and the second abutting tab 241 return to their positions before deformation, and the lower end surfaces of the first abutting tab 141 and the second abutting tab 241 can restrict the upward movement of the heat dissipation plate 4 to prevent the heat dissipation plate 4 from disengaging from the first accommodating groove 301 upward.

[0092] In the illustrated embodiment of the present invention, the thickness of the support block 6 along the first direction A1-A1 is less than the thickness of the heat dissipation plate 4 along the first direction A1-A1. Therefore, after the support block 6 is inserted into the second accommodating groove 302, the support block 6 does not abut against the first abutting tab 141 and the second abutting tab 241, or the support block 6 cannot abut the first abutting tab 141 and the second abutting tab 241 outward to such an extent that the heat dissipation plate 4 can disengage from the first abutting tab 141 and the second abutting tab 241 upward.

[0093] Please combine Figure 5 、 Figure 13 and Figure 14As shown, in the illustrated embodiment of the present invention, the heat dissipation plate 4 includes a top surface 40, a first side surface 41, and a second side surface 42 opposite to the first side surface 41. The first side surface 41 is at least partially exposed to the first opening 1101, and the second side surface 42 is at least partially exposed to the second opening 2101. The heat dissipation plate 4 is configured to perform heat exchange with at least the first docking connector and the second docking connector to dissipate heat from the first docking connector and the second docking connector. In one embodiment of the present invention, the heat dissipation plate 4 is a liquid cooling plate, which includes a coolant inlet (not shown), a coolant outlet (not shown), and an internal flow channel (not shown) connecting the coolant inlet and the coolant outlet. A liquid (such as water) can be injected into the coolant inlet, and the liquid flows in the internal flow channel and exchanges heat with other components (such as the first docking connector and the second docking connector), and then flows out from the coolant outlet.

[0094] In addition, the support block 6 is provided with a positioning groove, and the first housing portion 10 and / or the second housing portion 20 is provided with a positioning tab that is snapped into the positioning groove along the third direction A3 - A3.

[0095] Please refer to Figure 6 As shown, in the illustrated embodiment of the present invention, the positioning groove includes a first positioning groove 61, a second positioning groove 62, a third positioning groove 63, and a fourth positioning groove 64. The first positioning groove 61, the second positioning groove 62, the third positioning groove 63, and the fourth positioning groove 64 all penetrate the support block 6 along the third direction A3 - A3. The first positioning groove 61 and the second positioning groove 62 are located on one side of the support block 6 along the first direction A1 - A1, and the third positioning groove 63 and the fourth positioning groove 64 are located on the other side of the support block 6 along the first direction A1 - A1.

[0096] In the illustrated embodiment of the present invention, the positioning tabs include the first positioning tab 121, the second positioning tab 131, the third positioning tab 221, and the fourth positioning tab 231. The first positioning tab 121 is snapped into the first positioning groove 61, the second positioning tab 131 is snapped into the second positioning groove 62, the third positioning tab 221 is snapped into the third positioning groove 63, and the fourth positioning tab 231 is snapped into the fourth positioning groove 64.

[0097] Please refer to Figure 5 and Figure 6As shown, each grounding piece 7 includes a first abutting elastic piece 71 protruding into the first receiving cavity 110, a second abutting elastic piece 72 protruding into the second receiving cavity 210, and a connecting piece 73 connecting the first abutting elastic piece 71 and the second abutting elastic piece 72. The first abutting elastic piece 71 is configured to abut against the first docking connector, the second abutting elastic piece 72 is configured to abut against the second docking connector, and the connecting piece 73 abuts against the top surface 60 of the support block 6.

[0098] Please refer to Figure 6 As shown, in the illustrated embodiment of the present invention, the connecting piece 73 is provided with a first slot 731 corresponding to the first positioning groove 61, a second slot 732 corresponding to the second positioning groove 62, a third slot 733 corresponding to the third positioning groove 63, and a fourth slot 734 corresponding to the fourth positioning groove 64. After the first positioning tab 121 is clamped into the first positioning groove 61, it is further clamped into the first slot 731; after the second positioning tab 131 is clamped into the second positioning groove 62, it is further clamped into the second slot 732; after the third positioning tab 221 is clamped into the third positioning groove 63, it is further clamped into the third slot 733; after the fourth positioning tab 231 is clamped into the fourth positioning groove 64, it is further clamped into the fourth slot 734.

[0099] Please refer to Figure 8 and Figure 9 As shown, in the illustrated embodiment of the present invention, the first housing portion 10 includes a plurality of first grounding elastic pieces 15, and the second housing portion 20 includes a plurality of second grounding elastic pieces 25. The plurality of first grounding elastic pieces 15 and the plurality of second grounding elastic pieces 25 are both configured to contact the grounding path 204 of the circuit board 200 to achieve a grounding and shielding effect.

[0100] In the illustrated embodiment of the present invention, the plurality of first grounding elastic pieces 15 are respectively fixed to the bottom of the first wall portion 11, the bottom of the first side wall portion 12, and the bottom of the second side wall portion 13. The first grounding elastic piece 15 is provided with a first main body portion 151 welded and fixed to the first wall portion 11, the first side wall portion 12, and the second side wall portion 13, and a first elastic contact portion 152 extending outward from the first main body portion 151. The first main body portion 151 is provided with a first through hole 1511. The first elastic contact portion 152 is arc-shaped and contacts the grounding path 204 of the circuit board 200 to achieve a better grounding and shielding effect.

[0101] Similarly, in the illustrated embodiment of the present invention, the plurality of second grounding elastic pieces 25 are respectively fixed to the bottom of the second wall portion 21, the bottom of the third side wall portion 22, and the bottom of the fourth side wall portion 23. The second grounding elastic piece 25 is provided with a second main body portion 251 welded and fixed to the second wall portion 21, the third side wall portion 22, and the fourth side wall portion 23, and a second elastic contact portion 252 extending outward from the second main body portion 151. The second main body portion 251 is provided with a second through hole 2511. The second elastic contact portion 252 is arc-shaped and contacts the grounding path 204 of the circuit board 200 to achieve better grounding and shielding effects.

[0102] Those skilled in the art can understand that in the illustrated embodiment of the present invention, the plurality of first grounding elastic pieces 15 and the first housing portion 10 are of a split structure, and the plurality of second grounding elastic pieces 25 and the second housing portion 20 are of a split structure. Of course, in other embodiments, the plurality of first grounding elastic pieces 15 can also be integrally formed with the first wall portion 11, the first side wall portion 12, and the second side wall portion 13 respectively; the plurality of second grounding elastic pieces 25 can also be integrally formed with the second wall portion 21, the third side wall portion 22, and the fourth side wall portion 23 respectively.

[0103] Please refer to Figure 9 As shown, in the illustrated embodiment of the present invention, the first housing portion 10 includes a first mounting tab 16 integrally bent from the second side wall portion 13. The first mounting tab 16 is provided with a first mounting hole 160 penetrating through the first mounting tab 16 along the third direction A3-A3. Specifically, the first mounting tab 16 includes a bottom plate 161 horizontally protruding outward from the bottom of the first side wall portion 12, a vertical plate 162 vertically bent upward from the bottom plate 161, a top plate 163 horizontally bent from the top of the vertical plate 162 toward the first side wall portion 12, and a fixing plate 164 vertically bent upward from the top plate 163. The first mounting hole 160 penetrates through the top plate 163 and the bottom plate 161. The fixing plate 164 is attached to and fixed to the first side wall portion 12.

[0104] Please refer to Figure 8 and Figure 9 As shown, the first through hole 206 of the circuit board 200 corresponds to the first mounting hole 160 along the third direction A3-A3. The connector assembly 100 includes a first fastener 171 (such as a screw) passing through the first through hole 206 and the first mounting hole 160 to fix the first mounting tab 16 to the circuit board 200.

[0105] In the illustrated embodiment of the present invention, there are several (e.g., four) metal shielding cases 1 which are arranged at intervals along the second direction A2-A2; each metal shielding case 1 includes four first receiving cavities 110 and four second receiving cavities 210; each metal shielding case 1 is provided with the receiving groove 30. The heat dissipation plate 4 is of an integral structure and is inserted into the receiving grooves 30 of several metal shielding cases 1.

[0106] In the illustrated embodiment of the present invention, the first side wall portion 12 and the third side wall portion 22 are arranged in alignment along the first direction A1-A1, and the second side wall portion 13 and the fourth side wall portion 23 are arranged in alignment along the first direction A1-A1; the four first receiving cavities 110 and the four second receiving cavities 210 of each metal shielding case 1 are arranged in a 2*4 matrix.

[0107] In addition, please refer to Figures 10 to 14 As shown, the heat dissipation plate 4 further includes positioning studs 43 which are configured to be inserted into the positioning holes 205 of the circuit board 200. In addition, in order to improve the reliability of the installation of the connector assembly 100 on the circuit board 200, the heat dissipation plate 4 further includes mounting protrusions 44, and the mounting protrusions 44 are provided with second mounting holes 441. The connector assembly 100 includes second fasteners 172 (such as screws) which pass through the second through holes 207 of the circuit board 200 and are screwed into the second mounting holes 441 to fix the mounting protrusions 44 to the circuit board 200.

[0108] By providing the first fastener 171 and the second fastener 172 and mounting and fixing the connector assembly 100 on the circuit board 200, even if the heights of the metal shielding case 1 and the heat dissipation plate 4 along the third direction A3-A3 are both greater than their respective corresponding lengths and widths, the metal shielding case 1 and the heat dissipation plate 4 can be reliably fixed, thereby preventing the metal shielding case 1 and the heat dissipation plate 4 from tilting due to external forces (such as a thrust force in the horizontal plane).

[0109] Compared with the prior art, the metal shielding housing 1 of the present invention is provided with the first receiving cavity 110, the second receiving cavity 210, and the receiving groove 30 located between the first receiving cavity 110 and the second receiving cavity 210; by providing the heat dissipation plate 4 inserted into the receiving groove 30 along the third direction A3-A3 perpendicular to the circuit board 200, the heat dissipation plate 4 can dissipate heat from the first docking connector inserted into the first receiving cavity 110 and the second docking connector inserted into the second receiving cavity 210, thereby improving the heat dissipation effect. At the same time, the heat generated on the circuit board 200 can form an upward heat flow and dissipate heat to a certain extent through the heat dissipation plate 4.

[0110] The above embodiments are only used to illustrate the present invention and do not limit the technical solutions described in the present invention. The understanding of the present invention should be based on those skilled in the art of the relevant technical field. Although this specification has described the present invention in detail with reference to the above embodiments, those of ordinary skill in the art should understand that those skilled in the relevant technical field can still modify the present invention or make equivalent substitutions, and all technical solutions and their improvements that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. A connector assembly (100), characterized in that, Comprising: A metal shielding housing (1), the metal shielding housing (1) comprising a first housing portion (10), a second housing portion (20), and a receiving groove (30) located between the first housing portion (10) and the second housing portion (20) along a first direction (A1 - A1); wherein the first housing portion (10) includes a first wall portion (11), a first side wall portion (12) connected to the first wall portion (11), a second side wall portion (13) connected to the first wall portion (11), and a first receiving cavity (110) at least surrounded by the first wall portion (11), the first side wall portion (12), and the second side wall portion (13), the first receiving cavity (110) being configured to receive a first docking connector, the first side wall portion (12) and the second side wall portion (13) being spaced apart along a second direction (A2 - A2); the second housing portion (20) includes a second wall portion (21), a third side wall portion (22) connected to the second wall portion (21), a fourth side wall portion (23) connected to the second wall portion (21), and a second receiving cavity (210) at least surrounded by the second wall portion (21), the third side wall portion (22), and the fourth side wall portion (23), the second receiving cavity (210) being configured to receive a second docking connector, the third side wall portion (22) and the fourth side wall portion (23) being spaced apart along the second direction (A2 - A2); the first receiving cavity (110) is provided with a first opening (1101) opening towards the receiving groove (30), the second receiving cavity (210) is provided with a second opening (2101) opening towards the receiving groove (30), the first opening (1101) and the second opening (2101) being arranged facing each other; the first housing portion (10) and the second housing portion (20) are configured to be mounted on a circuit board (200) along a third direction (A3 - A3), the third direction (A3 - A3) being perpendicular to the circuit board (200); the first direction (A1 - A1), the second direction (A2 - A2), and the third direction (A3 - A3) are perpendicular to each other pairwise; And A heat dissipation plate (4), the heat dissipation plate (4) being inserted into the receiving groove (30) along the third direction (A3 - A3), the heat dissipation plate (4) including a first side surface (41) and a second side surface (42) opposite to the first side surface (41), wherein the first side surface (41) is at least partially exposed to the first opening (1101), and the second side surface (42) is at least partially exposed to the second opening (2101); The heat dissipation plate (4) is configured to perform heat exchange with at least the first docking connector and the second docking connector to dissipate heat from the first docking connector and the second docking connector.

2. The connector assembly (100) according to claim 1, characterized in that: The accommodating groove (30) includes a first accommodating groove (301) and a second accommodating groove (302) communicating with the first accommodating groove (301), wherein the first accommodating groove (301) is located at the bottom of the second accommodating groove (302), and the heat dissipation plate (4) is inserted into the first accommodating groove (301). The connector assembly (100) further includes a support block (6) inserted into the second accommodating groove (302) and in contact with the heat dissipation plate (4).

3. The connector assembly (100) according to claim 2, characterized in that: The support block (6) is provided with a positioning groove, and the first housing part (10) and / or the second housing part (20) is provided with a positioning tab that is snapped into the positioning groove along the third direction (A3 - A3).

4. The connector assembly (100) according to claim 3, characterized in that: The positioning groove includes a first positioning groove (61), a second positioning groove (62), a third positioning groove (63), and a fourth positioning groove (64). The first positioning groove (61), the second positioning groove (62), the third positioning groove (63), and the fourth positioning groove (64) all penetrate the support block (6) along the third direction (A3 - A3). The first positioning groove (61) and the second positioning groove (62) are located on one side of the support block (6) along the first direction (A1 - A1), and the third positioning groove (63) and the fourth positioning groove (64) are located on the other side of the support block (6) along the first direction (A1 - A1). The first housing part (10) includes a first positioning tab (121) bent from the first side wall part (12) and a second positioning tab (131) bent from the second side wall part (13). The second housing part (20) includes a third positioning tab (221) bent from the third side wall part (22) and a fourth positioning tab (231) bent from the fourth side wall part (23). The bending directions of the first positioning tab (121) and the second positioning tab (131) are the same or opposite. The bending directions of the third positioning tab (221) and the fourth positioning tab (231) are the same or opposite. The positioning tabs include the first positioning tab (121), the second positioning tab (131), the third positioning tab (221), and the fourth positioning tab (231), wherein the first positioning tab (121) is snapped into the first positioning groove (61), the second positioning tab (131) is snapped into the second positioning groove (62), the third positioning tab (221) is snapped into the third positioning groove (63), and the fourth positioning tab (231) is snapped into the fourth positioning groove (64).

5. The connector assembly (100) according to claim 2, characterized in that: The connector assembly (100) further comprises a grounding plate (7) mounted on the support block (6), the grounding plate (7) comprising a first abutting spring sheet (71) protruding into the first receiving cavity (110) and a second abutting spring sheet (72) protruding into the second receiving cavity (210), the first abutting spring sheet (71) being configured to abut against the first docking connector, and the second abutting spring sheet (72) being configured to abut against the second docking connector.

6. The connector assembly (100) according to claim 2, wherein: The first housing portion (10) comprises a first abutting piece (14) fixed to the first side wall portion (12) and the second side wall portion (13), the first abutting piece (14) being provided with a first abutting protrusion (141) protruding into the second accommodating groove (302); The second housing portion (20) comprises a second abutting piece (24) fixed to the third side wall portion (22) and the fourth side wall portion (23), and the second abutting piece (24) is provided with a second abutting protrusion (241) protruding into the second accommodating groove (302); The first abutting protrusion (141) and the second abutting protrusion (241) are configured to restrict the heat dissipation plate (4) to prevent the heat dissipation plate (4) from escaping from the first accommodating groove (301).

7. The connector assembly (100) according to claim 1, characterized in that: The first shell portion (10) includes a plurality of first grounding spring sheets (15), and the second shell portion (20) includes a plurality of second grounding spring sheets (25). The plurality of first grounding spring sheets (15) and the plurality of second grounding spring sheets (25) are both configured to contact the grounding path (204) of the circuit board (200).

8. The connector assembly (100) according to claim 1, characterized in that: The first side wall portion (12) and the third side wall portion (22) are aligned along the first direction (A1-A1), and the second side wall portion (13) and the fourth side wall portion (23) are aligned along the first direction (A1-A1); The first shell portion (10) comprises a first elastic sheet (51) fixed on the first wall portion (11), a second elastic sheet (52) fixed on the first side wall portion (12), and a third elastic sheet (53) fixed on the second side wall portion (13); a portion of the first elastic sheet (51) extends into the first receiving cavity (110), and another portion of the first elastic sheet (51) is located outside the first receiving cavity (110); a portion of the second elastic sheet (52) extends into the first receiving cavity (110), and another portion of the second elastic sheet (52) is located outside the first receiving cavity (110); a portion of the third elastic sheet (53) extends into the first receiving cavity (110), and another portion of the third elastic sheet (53) is located outside the first receiving cavity (110); the first elastic sheet (51), the second elastic sheet (52) and the third elastic sheet (53) extending into the first receiving cavity (110) are configured to abut against the first docking connector; The second housing part (20) includes a fourth elastic piece (54) fixed to the second wall part (21), a fifth elastic piece (55) fixed to the third side wall part (22), and a sixth elastic piece (56) fixed to the fourth side wall part (23); a part of the fourth elastic piece (54) extends into the second receiving cavity (210), and another part of the fourth elastic piece (54) is located outside the second receiving cavity (210); a part of the fifth elastic piece (55) extends into the second receiving cavity (210), and another part of the fifth elastic piece (55) is located outside the second receiving cavity (210); a part of the sixth elastic piece (56) extends into the second receiving cavity (210), and another part of the sixth elastic piece (56) is located outside the second receiving cavity (210); the fourth elastic piece (54), the fifth elastic piece (55), and the sixth elastic piece (56) extending into the second receiving cavity (210) are configured to abut against the second docking connector.

9. The connector assembly (100) according to claim 1, characterized in that: The first housing part (10) includes a first mounting tab (16) integrally bent from the second side wall part (13), and the first mounting tab (16) is provided with a first mounting hole (160) penetrating the first mounting tab (16) along the third direction (A3 - A3). The circuit board (200) is provided with a first through hole (206) corresponding to the first mounting hole (160) along the third direction (A3 - A3). The connector assembly (100) includes a first fastener (171) passing through the first through hole (206) and the first mounting hole (160) to fix the first mounting tab (16) to the circuit board (200).

10. The connector assembly (100) according to claim 1, wherein: The heat dissipation plate (4) is a liquid cooling plate, which includes a coolant inlet, a coolant outlet, and an internal flow channel connecting the coolant inlet and the coolant outlet.

11. The connector assembly (100) according to claim 1, characterized in that: There are a plurality of the first housing parts (10) arranged along the second direction (A2 - A2), and a plurality of the first receiving cavities (110) are arranged at intervals along the second direction (A2 - A2). There are a plurality of the second housing parts (20) arranged along the second direction (A2 - A2), and a plurality of the second receiving cavities (210) are arranged at intervals along the second direction (A2 - A2). A plurality of the first receiving cavities (110) and a plurality of the second receiving cavities (210) are all communicated with the receiving groove (30).

12. The connector assembly (100) according to claim 11, wherein: There are a plurality of the metal shielding housings (1) arranged at intervals along the second direction (A2 - A2); each metal shielding housing (1) is provided with the receiving groove (30). The heat dissipation plate (4) is of an integral structure and is inserted into a plurality of the receiving grooves (30) of a plurality of the metal shielding housings (1).

13. The connector assembly (100) according to any one of claims 1 to 12, characterized in that: The heat dissipation plate (4) includes positioning convex columns (43), the circuit board (200) is provided with positioning holes (205), and the positioning convex columns (43) are configured to be inserted into the positioning holes (205).

14. The connector assembly (100) according to any one of claims 1 to 12, characterized in that: The heat dissipation plate (4) includes a mounting protrusion (44), and the mounting protrusion (44) is provided with a second mounting hole (441); The circuit board (200) is provided with a second through hole (207) corresponding to the second mounting hole (441) along the third direction (A3 - A3); The connector assembly (100) includes a second fastener (172) passing through the second through hole (207) and screwed into the second mounting hole (441) to fix the mounting protrusion (44) to the circuit board (200).

15. A connector assembly (100), characterized in that, Comprising: A metal shielding housing (1), the metal shielding housing (1) includes a receiving cavity configured to receive a docking connector along the third direction (A3 - A3); The metal shielding housing (1) is configured to be mounted on the circuit board (200) along the third direction (A3 - A3), and the third direction (A3 - A3) is perpendicular to the circuit board (200); And A liquid cooling plate, the liquid cooling plate includes a side surface at least partially exposed in the receiving cavity, and the side surface is configured to at least contact the docking connector to dissipate heat from the docking connector through the liquid cooling plate.

16. The connector assembly (100) as claimed in claim 15, characterized in that: The metal shielding housing (1) includes a first housing portion (10), a second housing portion (20), and a receiving groove (30) located between the first housing portion (10) and the second housing portion (20) along the first direction (A1 - A1); the first housing portion (10) and the second housing portion (20) are configured to be mounted on the circuit board (200) along the third direction (A3 - A3); wherein the first housing portion (10) includes a first receiving cavity (110) configured to receive a first docking connector, and the second housing portion (20) includes a second receiving cavity (210) configured to receive a second docking connector; The receiving cavity includes the first receiving cavity (110) and the second receiving cavity (210); The liquid cooling plate is inserted into the receiving groove (30) along the third direction (A3 - A3); the side surface includes a first side surface (41) at least partially exposed in the first receiving cavity (110) and a second side surface (42) at least partially exposed in the second receiving cavity (210); the first side surface (41) is configured to contact the first docking connector to dissipate heat from the first docking connector; the second side surface (42) is configured to contact the second docking connector to dissipate heat from the second docking connector.

17. The connector assembly (100) according to claim 15, characterized in that: The receiving groove (30) includes a first accommodating groove (301) and a second accommodating groove (302) communicating with the first accommodating groove (301), wherein the first accommodating groove (301) is located at the bottom of the second accommodating groove (302), and the liquid cooling plate is inserted into the first accommodating groove (301); The connector assembly (100) further includes a support block (6) inserted into the second accommodating groove (302) and in contact with the liquid cooling plate.

18. The connector assembly (100) according to claim 17, wherein: The connector assembly (100) further includes a grounding plate (7) mounted on the support block (6). The grounding plate (7) includes a contact elastic piece protruding into the receiving cavity, and the contact elastic piece is configured to abut against the docking connector.

19. The connector assembly (100) according to any one of claims 15 to 18, characterized in that: The liquid cooling plate includes positioning convex columns (43), and the circuit board (200) is provided with positioning holes (205). The positioning convex columns (43) are configured to be inserted into the positioning holes (205).

20. The connector assembly (100) according to any one of claims 15 to 18, characterized in that: The liquid cooling plate includes mounting protrusions (44), and the mounting protrusions (44) are provided with second mounting holes (441); The circuit board (200) is provided with second through holes (207) corresponding to the second mounting holes (441) along the third direction (A3-A3); The connector assembly (100) includes second fasteners (172) passing through the second through holes (207) and screwed into the second mounting holes (441) to fix the mounting protrusions (44) to the circuit board (200).

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