TWI768539B - connector assembly - Google Patents

Abstract

A connector assembly includes a guide shield, a shield fence and a heat sink. The guide shield has at least one accommodating space and a wall constituting the accommodating space, and the wall is formed with a window communicating with the accommodating space. The shielding fence is arranged on the wall of the guiding shielding cover by a fixed structure, and the shielding fence has a frame body and an opening surrounded and defined by the frame body and corresponding to the window. The radiator has a surface disposed on the wall, and a thermal coupling part protrudingly disposed on the surface, the thermal coupling part enters the accommodating space through the opening of the shielding fence and the window, and the The frame of the shielding enclosure is located between the wall of the guide shield and the surface of the heat sink, and is thermally coupled with the heat sink around the window of the wall of the guide shield around the department.

Description

connector assembly

The present invention relates to a connector assembly, in particular to a connector assembly with a heat sink.

Chinese Invention Patent Publication No. CN103022820 B discloses a connector assembly in which an electromagnetic interference gasket is disposed between the retainer and the heat sink. The EMI gasket is mechanically connected to the heat sink by an interference fit and/or a snap fit. However, in this connector assembly, the EMI gasket is fixed on the heat sink and moves with the heat sink, so when the heat sink is lifted by the plug-in module, the There will still be a large gap between the heat sink and the opening of the cage.

Accordingly, it is an object of the present invention to provide a connector assembly that improves at least one of the disadvantages of the prior art.

Thus, in some embodiments, the connector assembly of the present invention includes a guide shield, a shield fence and a heat sink. The guide shield has at least one accommodating space, a socket connected to the accommodating space and located at the front end, and a wall constituting the accommodating space, the wall forming a window communicating with the accommodating space. The shielding fence is arranged on the wall of the guiding shield through a fixed structure, so The shielding fence has a frame body, and an opening surrounded and defined by the frame body and corresponding to the window. The radiator has a surface disposed on the wall, and a thermal coupling part protrudingly disposed on the surface, the thermal coupling part enters the accommodating space through the opening of the shielding fence and the window and can be opposed to each other The frame body of the shielding fence is located between the wall of the guiding shielding cover and the surface of the radiator, and surrounds the guiding shielding cover. The wall around the window is around the thermally coupled portion of the heat sink.

In some embodiments, the frame body of the shielding fence has a front frame, a rear frame and two side frames, and the fixing structure includes a plurality of snap-on structures.

In some embodiments, the snap-fit structure includes a snap-fit piece integrally formed on the guide shield and located beside the window, and two side frames formed on the frame body of the shield fence and connected to the shielding enclosure. The buckling piece corresponds to a buckling convex portion that is buckled, the buckling piece has a buckling hole, and the buckling convex portion has a buckling convex block that is used for buckling the buckling hole of the buckling piece .

In some embodiments, the buckle piece further has side bars located on both sides of the buckle hole, and the buckle protrusion further has limit protrusions located on both sides of the buckle protrusion, A limit groove for accommodating the side strip is formed between the buckle protrusion and the limit protrusion.

In some embodiments, the frame body of the shielding fence has a front frame, a rear frame and two side frames, and the heat sink further has a concave formed on the surface and jointly defining the thermal coupling portion and the surface. The shielding part of the ditch, the groove accommodates the two side frames and the rear frame of the shielding fence, and the shielding part is formed with an opening through which the buckle convex part passes.

In some embodiments, the securing structure includes an adhesive material, the shielding fence The wall of the guide shield is fixed by the adhesive material.

In some embodiments, the heat sink further has a shielding portion formed on the surface and defining a groove together with the thermal coupling portion and the surface, and the groove accommodates the front frame of the shielding fence , at least one of the rear frame and the two side frames.

In some implementations, the snap-fit structures are staggered from each other front and rear.

In some embodiments, a receptacle connector covered by the guiding shield, and a pressing elastic member for assembling the heat sink to the wall of the guiding shield are also included.

In some embodiments, the pressing elastic member is an elastic fastener, the pressing elastic member has an elastic pressing portion that is elastically pressed against the heat sink, and extends from the elastic pressing portion and assembled to the assembly part of the guide shield.

The present invention can shield the gap between the wall of the guide shield and the surface of the radiator by the shield fence provided on the wall of the guide shield and having the opening corresponding to the window. , and even when the thermal coupling part of the heat sink together with the whole heat sink is pushed away from the guide shield, it can still be shielded around the window of the guide shield to enhance the electromagnetic shielding effect.

100: Connector Assembly

1: Guide shield

11: Top Wall

12: Bottom wall

13: Sidewall

131: Buckle block

14: Back Wall

15: pin

16: Accommodating space

161: Socket

162: Window

163: Bottom opening

17: Grounding

171: Elastic Fingers

18: Dividing Wall

181: Assemble the extension

181a: Assembly Tabs

2: socket connector

21: seat body

211: plug-in slot

22: Terminals

3: Screening Fences

31: Frame

311: Front Frame

312: Rear frame

313: Side Frame

32: Opening

4: Radiator

41: Substrate

411: Bottom

412: Top surface

42: cooling fins

43: Thermal coupling part

44: Thermal pad

45: Positioning groove

46: Shading

461: Opening

47: Groove

5: Pressure elastic parts

51: Elastic pressing part

511: Assembly hole

52: Assembly Department

521: button hole

6: Fixed structure

61: Snap-on structure

611: Buckle

611a: Snap holes

611b: Side strips

612: Buckle protrusion

612a: Buckle bump

612b: Limit bump

612c: Limit groove

62: Adhesive material

200: Pluggable modules

201: Shell

201a: Connector

202: Plugboard

202a: Contact fingers

203: Cable

D1: Front and rear direction

D2: up and down direction

D3: left and right direction

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG. 1 is a perspective exploded view of a first embodiment of the connector assembly of the present invention and a pluggable module : Fig. 2 is a perspective view of the first embodiment, the receptacle connector of the first embodiment is omitted; Fig. 3 is an exploded perspective view of Fig. 2; A perspective view of a shielding fence; Fig. 5 is an exploded perspective view of Fig. 4; Fig. 6 is an exploded perspective view of the radiator and the shielding fence of the first embodiment; Fig. 7 is a cross-sectional view taken from Fig. 2 Fig. 8 is a sectional view of another perspective taken by Fig. 2; Fig. 9 is a sectional view similar to Fig. 7, in which the pluggable module is inserted into the guiding shield of the first embodiment; Fig. 10 is a perspective view of a second embodiment of the connector assembly of the present invention; FIG. 11 is an exploded perspective view of FIG. 10 ; FIG. 12 is an exploded perspective view of the heat sink and shielding fence of the second embodiment; FIG. 13 is an exploded perspective view of a third embodiment of the connector assembly of the present invention; and FIG. 14 is an exploded perspective view of the guide shield and shield fence of the third embodiment.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are designated by the same reference numerals.

Referring to FIGS. 1 to 5 , a first embodiment of the connector assembly 100 of the present invention is suitable for being plugged with a pluggable module 200 . The pluggable module 200 includes a casing 201 and a plug-in board 202 to and a cable 203, the housing 201 includes a plug portion 201a, the plug board 202 protrudes from the plug portion 201a and is disposed on the plug portion 201a, and the plug board 202 has a plurality of contact fingers 202a, the cable 203 is provided in the housing 201 and is mechanically and electrically connected to the plug board 202. The connector assembly 100 includes a guiding shield 1 , a socket connector 2 , a shielding fence 3 , a heat sink 4 , and two pressing elastic members 5 . It should be noted that, the number of the guiding shield 1, the shielding fence 3, the socket connector 2, the heat sink 4 and the pressing elastic member 5 can be adjusted according to requirements and A stacked or combined configuration is possible, and is not limited to the number in this first embodiment.

For example, the guide shield 1 is made of metal material, and the guide shield 1 can be constructed by punching and bending a metal plate through a die. The guide shield 1 extends along a front-rear direction D1 (the direction indicated by the arrow is the front, and the reverse direction is the rear) and has a top wall 11 and the top wall 11 along an up-down direction D2 (the direction indicated by the arrow is upward, A bottom wall 12 opposite to each other at intervals along a left-right direction D3 (the direction indicated by the arrow is right, and the reverse direction is left) is opposite to each other at intervals and is respectively connected to both sides of the top wall 11 and the bottom wall 12 two side walls 13, a rear wall 14 located at the rear end and connected to the top wall 11 and the rear edge of the side walls 13, and extending downward from the side walls 13 and suitable for fixing a circuit board (not shown in the figure) ) (not shown) and/or a plurality of pins 15 connected to ground traces. In addition, the guide shield 1 also has an accommodating space 16 which is defined by the top wall 11 , the bottom wall 12 , the two side walls 13 and the rear wall 14 and is located inside. a socket 161 for accommodating the space 16 and for inserting the pluggable module 200, a window 162 formed on the top wall 11 and extending backward from the front section of the top wall 11 and communicating with the accommodating space 16, and A bottom opening 163 located behind the bottom wall 12 and communicated with the accommodating space 16 .

The socket connector 2 is covered with the guide shield 1 through the bottom opening 163, So that the socket connector 2 is arranged in the rear section of the accommodating space 16 . In addition, the socket connector 2 is mechanically and electrically disposed on the circuit board. The socket connector 2 has an insulating base 21 and a plurality of terminals 22. The base 21 has a plug slot 211 facing forward. , the terminals 22 are arranged in the socket 211 and their tails (not shown) are electrically and mechanically connected to the circuit board. After the pluggable module 200 enters the guide shield 1 from the socket 161 , the plug board 202 of the pluggable module 200 protruding from the plug portion 201 a can be inserted into the socket connector 2 the plug-in slot 211, so that the contact fingers 202a of the plug-in board 202 contact the terminals 22 in the plug-in groove 211 of the socket connector 2, so that the pluggable module 200 and the connector assembly 100 are connected to each other. The socket connectors 2 are butted against each other. In addition, the socket 161 of the guide shield 1 is provided with a plurality of grounding members 17 , and the ground members 17 have a rearward extension from the socket 161 and are distributed on the outside of the guide shield 1 and the guide shield A plurality of elastic fingers 171 on the inner side of the cover 1, among the elastic fingers 171 located on the outer side of the guiding shield 1, are used for connecting with the periphery of a mounting hole (not shown) of a casing (not shown). The elastic fingers 171 located inside the guide shield 1 are used for contacting with the pluggable module 200 .

The shielding fence 3 is set on the top wall 11 of the guiding shield 1 through a fixing structure 6, and the material of the shielding fence 3 is a material capable of shielding or absorbing electromagnetic, for example, a metal material ( For example, a solid metal frame, a wire mesh, a metal spring, or a conductive material such as a conductive elastic gasket, a conductive rubber (rubber), or a conductive foam (foam). The shielding fence 3 has a frame body 31 and an opening 32 surrounded by the frame body 31 and corresponding to the window 162 . In the first embodiment, the frame body 31 has a front frame 311 located at the front, a rear frame 312 located at the rear, and is connected to The two side frames 313 are arranged at intervals between the front frame 311 and the rear frame 312 and along the left-right direction D3. The securing structure 6 includes a plurality of snap-on structures 61 . Each buckling structure 61 includes a plurality of buckling pieces 611 formed at the junction of the top wall 11 and the two side walls 13 of the guiding shield 1 and located beside the window 162 , and a plurality of buckling pieces 611 extending outwardly formed on the The two side frames 313 of the frame body 31 of the shielding fence 3 are respectively corresponding to the plurality of buckle protrusions 612 buckled with the buckle pieces 611 . In the first embodiment, the buckling pieces 611 are formed to extend vertically upward along the up-down direction D2, and the buckling protrusions 612 are formed to extend laterally along the left-right direction D3, but not in this way for restrictions. Each buckling piece 611 has a buckling hole 611 a , and each buckling protrusion 612 has a buckling protrusion 612 a for buckling the corresponding buckling hole 611 a of the buckling piece 611 . The shielding fence 3 can be fixedly installed on the guide shield 1 by the buckle holes 611a of the buckle pieces 611 and the buckle protrusions 612a of the buckle protrusions 612. The top wall 11 . In detail, each buckling piece 611 further has two side bars 611b located on both sides of the buckling hole 611a, and each buckling protrusion 612 also has two side bars 611b located on both sides of the buckling protrusion 612a There are limit bumps 612b, two limit grooves 612c are formed between the buckle bumps 612a and the limit bumps 612b for respectively accommodating the side bars 611b, thereby strengthening the buckle pieces The buckling strength between the 611 and the buckling bumps 612a. In addition, in the first embodiment, the snap-on structures 61 on the two side frames 313 can be staggered from each other along the front-rear direction D1, for example, so that the guiding shield 1 and the shielding enclosure can be The assembly between the fences 3 is more stable, and when a plurality of connector assemblies 100 are closely juxtaposed, it can prevent the snap-fit structures 61 of different connector assemblies 100 from interfering with each other.

It should be noted that, for example, the fixing structure 6 may further include an adhesive material 62 (see FIG. 6 ), and the bottom of the shielding fence 3 is fixed to the top of the guiding shield 1 through the adhesive material 62 wall 11. In a variant embodiment, the fixing structure 6 may also only include the adhesive material 62 . The adhesive material 62 can be, for example, an adhesive, double-sided tape or other adhesive materials 62 .

Referring to FIGS. 2 to 3 and 6 to 8 , the heat sink 4 has a base plate 41 formed with a bottom surface 411 and a top surface 412 , which are fastened to each other side by side along the left-right direction D3 and disposed on the top of the base plate 41 . A plurality of heat dissipation fins 42 on the surface 412, and a thermal coupling portion 43 disposed on the bottom surface 411 of the substrate 41 protruding downward, the heat dissipation fins 42 can be disposed on the substrate 41 by welding, for example. The top surface 412, but not limited thereto. The bottom surface 411 of the base plate 41 is disposed on the top wall 11 of the guide shield 1 , the thermal coupling portion 43 enters the accommodating space 16 through the window 162 on the top wall 11 , and the entire heat sink 4 is thermally coupled with the heat sink 4 . 43 is movable relative to the guide shield 1 . It should be noted that although the shielding fence 3 and the radiator 4 are mounted on the top wall 11 in the first embodiment, in other embodiments, the shielding fence 3 and the radiator 4 are also It can be installed on the bottom wall 12 where the window 162 is formed, or the two shielding fences 3 and the two radiators 4 are respectively installed on the top wall 11 and the bottom wall 12 where the window 162 is formed. In addition, although in the first embodiment, the thermal coupling portion 43 is directly and integrally formed on the substrate 41 to move with the substrate 41 , in other embodiments, the thermal coupling portion 43 can also be opposite to the substrate 41 . An independent component that is movably assembled to the base plate 41 on the base plate 41 , or an independent component that is fixedly assembled to the base plate 41 and moves together with the base plate 41 . In addition, in the first embodiment, the thermal coupling portion 43 is provided with a thermal pad 44, which can sufficiently fill the seams or gaps of the contact surfaces to reduce the thermal contact resistance between the contact surfaces. The thermal pad 44 For example, it can be a thermal interface material, and its material can be selected from a combination of materials such as high thermal conductivity, high flexibility, compressibility, insulation, wear resistance, etc., and for example Can be a substrate and a phase change material change material), for example, it can be a structure of two or more layers, and the outer substrate can be a material with thermal conductivity, lubricity, wear resistance, and tear resistance (such as Teflon), The inner layer material is a phase change material. In addition, the thermal pad 44 can also have an electromagnetic wave shielding function (EMI Shielding) by changing the combination of materials.

Referring to FIG. 2 , FIG. 3 , FIG. 7 and FIG. 8 , the pressing elastic members 5 are elastic fasteners in the first embodiment and are used to assemble the heat sink 4 to the top wall of the guide shield 1 11. Each pressing elastic member 5 has an elastic pressing portion 51 that elastically presses against the heat dissipation fins 42 of the heat sink 4 from above, and extends downward from the left and right ends of the elastic pressing portion 51 and assembled to the two assembly portions 52 of the two side walls 13 of the guide shield 1 respectively. In detail, each side wall 13 located on both sides of the guide shield 1 is formed with two buckling blocks 131 , and each assembly portion 52 is formed with a corresponding buckling block 131 of the corresponding side wall 13 . Button hole 521. In addition, the heat sink 4 also has two positioning grooves 45 formed on the heat dissipation fins 42 and used for mutual positioning with the elastic pressing portions 51 of the two pressing elastic members 5 . It should be noted that, although the number of the elastic pressing parts 51 and the assembling parts 52 of the pressing elastic member 5 is one pair in the first embodiment, in other embodiments, the elastic pressing parts 51 and 52 The number of the parts 51 and the assembling parts 52 can also be adjusted to any number according to the needs. In addition, the pressing elastic member 5 can also be replaced with other elastic members for pressing the heat sink 4 instead of the elastic fastener. The type of the pressing elastic member 5 is not limited to the first embodiment.

Referring to FIGS. 1 , 7 and 9 , when the pluggable module 200 enters the guide shield 1 and is mated with the receptacle connector 2 of the connector assembly 100 , the shell of the pluggable module 200 The top surface 412 of the plug portion 201a of the body 201 will be in contact with the thermal coupling portion 43 of the heat sink 4, and the heat of the heat sink 4 The coupling portion 43 is pushed upward together with the entire radiator 4 (see FIG. 9 ). Further, the downward pressing reaction force exerted by the pressing elastic member 5 on the radiator 4 will cause the heat dissipation to be dissipated. The thermal coupling portion 43 of the heat sink 4 is tightly abutted against the plug-in portion 201a of the casing 201 of the pluggable module 200, thereby maintaining the contact relationship between the pluggable module 200 and the heat sink 4, so as to Ensure thermal performance.

The frame body 31 of the shielding fence 3 is located between the top wall 11 of the guide shield 1 and the bottom surface 411 of the radiator 4 , and surrounds the top wall 11 of the guide shield 1 . Around the window 162 and around the thermal coupling portion 43 of the heat sink 4 . The top wall 11 of the guide shield 1 and the heat sink 4 can be shielded by the shield fence 3 provided on the top wall 11 of the guide shield 1 and having the opening 32 corresponding to the window 162 The gap between the bottom surfaces 411 of the radiator 4 can still be shielded around the window 162 of the guide shield 1 even when the thermal coupling portion 43 of the radiator 4 together with the entire radiator 4 is pushed upward. Enhanced electromagnetic shielding effect.

In the first embodiment, the heat sink 4 further has a shielding portion 46 formed on the bottom surface 411 of the substrate 41 and defining a groove 47 together with the thermal coupling portion 43 and the bottom surface 411 . The shielding portion 46 Located on the left and right sides and the rear side of the thermal coupling portion 43 , so that the groove 47 is generally U-shaped and accommodates the two side frames 313 and the rear frame 312 of the shielding fence 3 , and the shielding portion 46 is formed with The plurality of openings 461 for the buckle protrusions 612 to pass through to be buckled with the corresponding buckle pieces 611 . Preferably, as shown in FIG. 9 , even when the thermal coupling portion 43 of the heat sink 4 and the entire heat sink 4 are pushed upward by the pluggable module 200 , the shielding fence 3 is still partially located in the recess. in groove 47. The shielding fence 3 can be covered by the shielding portion 46 and the groove 47 , which can enhance the shielding effect and beautify the appearance of the connector assembly 100 .

10 to 12, a second embodiment of the connector assembly 100 of the present invention and the first embodiment The difference of one embodiment is that the shielding portion 46 of the heat sink 4 in the second embodiment is only located on the rear side of the thermal coupling portion 43 , so that the groove 47 is substantially in-line and accommodates the shielding This rear frame 312 of the fence 3 . It should be noted that, in other embodiments, the shielding portion 46 of the heat sink 4 may also be located on at least any side of the thermal coupling portion 43 , so that the groove 47 accommodates the front portion of the shielding fence 3 At least one of the frame 311 , the rear frame 312 and the two side frames 313 .

In addition, the number of the pressing elastic member 5 in the second embodiment is one, and the pressing elastic member 5 has two elastic pressing members that are elastically pressed against the top surface 412 of the base plate 41 of the heat sink 4 from above. The abutting portion 51, and the two assembling portions 52 connected between the two elastic pressing portions 51 and respectively assembled to the two side walls 13 of the guide shield 1, each assembling portion 52 is formed with a corresponding side wall 13 The buckle block 131 corresponds to the two buckle holes 521 to be buckled. In addition, the heat dissipation fins 42 of the heat sink 4 are integrally formed to extend from the top surface 412 of the substrate 41 in the second embodiment.

Referring to FIGS. 13 to 14 , the difference between the third embodiment of the connector assembly 100 of the present invention and the first embodiment is that the guide shield 1 of the third embodiment also has two side walls 13 located between the two side walls 13 . A partition wall 18 is spaced apart from the two side walls 13 , the guide shield 1 has the top wall 11 , the bottom wall 12 , the two side walls 13 , the rear wall 14 and the partition wall 18 . Two accommodating spaces 16 are defined, two sockets 161 corresponding to the two accommodating spaces 16 , and two windows 162 formed on the top wall 11 and correspondingly communicating with the two accommodating spaces 16 . The number of shielding fences 3 and radiators 4 in the third embodiment is two, respectively. The two shielding fences 3 are respectively arranged on the top wall 11 of the guiding shield 1 through two fixing structures 6 , and the two heat dissipation The thermal coupling portion 43 of the device 4 enters the two accommodating spaces 16 through the two windows 162 on the top wall 11 respectively. Moreover, due to the snap-fit structures located on the left and right sides of each fixing structure 6 61 are displaced from each other along the front-rear direction D1, so that the snap-on structures 61 of the two fixing structures 6 can be prevented from interfering with each other.

In addition, the elastic pressing portion 51 of each pressing elastic member 5 of the third embodiment spans across the two radiators 4 and presses against the two radiators 4 , and the partition wall 18 is formed to protrude upwardly. The two assembly extension portions 181 of the top wall 11 have an assembly protrusion 181 a formed at the top of each assembly extension portion 181 , and the elastic pressing portion 51 of each pressing elastic member 5 is formed with a corresponding assembly protrusion 181 a An assembly hole 511 is buckled, thereby enhancing the supporting force provided by the guide shield 1 to the middle of the elastic pressing portions 51 of the two pressing elastic members 5 .

In summary, the present invention can shield the top wall 11 of the guide shield 1 and the bottom surface 411 of the radiator 4 by the shield fence 3 disposed on the top wall 11 of the guide shield 1 Even when the thermal coupling portion 43 of the heat sink 4 is pushed upward together with the entire heat sink 4, it can still be shielded around the window 162 of the guide shield 1 to enhance the electromagnetic shielding effect. .

However, the above are only examples of the present invention, and should not limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the application for patent of the present invention and the content of the patent specification are still within the scope of the present invention. within the scope of the invention patent.

100・・・ Connector Assemblies 1・・・・ Guide shield 11······· Top Wall 12・・・ Bottom wall 13・・・Sidewall 131・・・ Buckle block 14・・・ Rear wall 15・・・Pin 16・・・Accommodating space 161・・・Socket 162・・・Window 163・・・ Bottom opening 17······· Grounding parts 171••• Elastic finger 3································································· 31・・・ Frame 311･･･Front frame 312・・・ Rear frame 313・・・Side frame 32················································································ 4・・・ Radiator 41・・・ Substrate 411・・・ Bottom surface 412... top surface 42・・・ Cooling fins 45・・・Locating groove 46・・・Shading part 461・・・ Opening 5························································································· 51······· Elastic pressing part 52・・・ Assembly Department 521・・・Buttonhole 6・・・・Fixed structure 61······· Snap-on construction 611・・・ Buckle 611a···· Button hole 612・・・ Snap-on protrusion 612a･･･････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････････ 612a Snap-on bump D1... Front-to-rear direction D2.....Up and down direction D3... Left and right directions

Claims (8)

A connector assembly, comprising: a guide shield, having at least one accommodating space, a socket connected to the accommodating space and located at the front end, and a wall constituting the accommodating space, the wall is formed with a connection communicating with the accommodating space A window of the space; a shielding fence, which is arranged on the wall of the guide shield through a fixed structure, the shielding fence has a frame, and an opening defined by the frame and corresponding to the window to dissipate heat. The device has a surface disposed on the wall, and a thermal coupling part protrudingly disposed on the surface, the thermal coupling part enters the accommodating space through the opening of the shielding fence and the window and can be relatively The guide shield moves, and the frame of the shield fence is located between the wall of the guide shield and the surface of the radiator, and surrounds the wall of the guide shield The surrounding of the window and the thermal coupling part of the radiator, wherein the frame body of the shielding fence has a front frame, a rear frame and two side frames, and the fixing structure includes a plurality of snap-on structures, so The snap-fit structure includes a snap-fit piece integrally formed on the guide shield and located beside the window, and two side frames formed on the frame body of the shielding fence and correspondingly snapped with the snap-fit piece The buckling convex portion of the buckling piece has a buckling hole, and the buckling convex portion has a buckling convex block for buckling the buckling hole of the buckling piece. The connector assembly according to claim 1, wherein the buckling piece further has side bars located on both sides of the buckling hole, and the buckling protrusion further has side bars located on both sides of the buckling protrusion There is a limit groove for accommodating the side bar between the buckle protrusion and the limit protrusion. The connector assembly of any one of claim 1 to claim 2, wherein the heat sink further has a shielding portion formed on the face and defining a groove together with the thermal coupling portion and the face, the The groove accommodates the two side frames and the rear frame of the shielding fence, and the shielding portion is formed with an opening through which the buckle convex portion passes. The connector assembly of claim 1, wherein the securing structure includes an adhesive material by which the shielding fence is secured to the wall of the guide shield. The connector assembly of any one of claim 1 or claim 4, wherein the heat sink further has a shielding portion formed on the face and defining a groove together with the thermal coupling portion and the face, the The groove accommodates at least one of the front frame, the rear frame and the side frames of the shielding fence. The connector assembly of any one of claims 1 to 2, wherein the snap-fit formations are staggered from one another in front of the other. The connector assembly of claim 1, further comprising a receptacle connector covered by the guide shield, and a pressing elastic member for assembling the heat sink to the wall of the guide shield . The connector assembly according to claim 7, wherein the pressing elastic member is an elastic fastener, the pressing elastic member has an elastic pressing portion that is elastically pressed against the heat sink, and is formed from the The elastic pressing portion extends out and is assembled to the assembling portion of the guide shield.

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