CN210779303U

CN210779303U - Connector assembly

Info

Publication number: CN210779303U
Application number: CN201922231456.XU
Authority: CN
Inventors: 林成旻; 杨蕙瑄; 吕友谦
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-06-16
Anticipated expiration: 2029-12-12

Abstract

A connector assembly includes a receptacle connector, a shielding housing and a heat sink. The shielding shell covers the socket connector, the shielding shell is provided with a top wall and two side walls, and the side walls are provided with openings. The heat sink is provided with a buckle, the heat sink is assembled on the top wall of the shielding shell through the buckle, and the buckle is integrally provided with a shielding sheet for covering the opening of the side wall.

Description

Connector assembly

Technical Field

The present invention relates to a connector assembly, and more particularly to a connector assembly having a shield shell.

Background

Chinese patent publication No. CN103928796A (corresponding to U.S. patent publication No. US2014/0196943a1) discloses a receptacle assembly having a shroud including a plurality of walls including at least two opposing side walls and at least one top wall connected between the side walls. And the mask body includes a plurality of openings formed on one of the top wall and the side wall, the openings being covered by mask elements of similar shape, and the area of the mask elements being larger than the area of the openings. The shield member is bonded to the shield body around a periphery of the opening to provide a barrier to electromagnetic interference that leaks from the shield body. However, the disclosed shield element is a separate component that needs to be individually mounted on each opening, increasing assembly time and procedure.

SUMMERY OF THE UTILITY MODEL

It is therefore an object of the present invention to provide a connector assembly that overcomes at least one of the disadvantages of the prior art.

Thus, the connector assembly of the present invention, in some embodiments, includes a receptacle connector, a shielding shell, and a heat sink. The shielding shell covers the socket connector, the shielding shell is provided with a top wall and two side walls, and the side walls are provided with openings. The heat sink is provided with a buckle, the heat sink is assembled on the top wall of the shielding shell through the buckle, and the buckle is integrally provided with a shielding sheet for covering the opening of the side wall.

In some embodiments, the buckle has two side plate portions fastened to the two side walls, and the shielding sheet integrally extends from the side plate portions.

In some embodiments, the two side walls have the openings, and the buckle has two shielding sheets integrally extending from the two side plate portions respectively and covering the openings of the two side walls respectively.

In some embodiments, the openings are located at the front section of the shielding shell, and each opening is configured with an inward extending elastic sheet extending towards the inside of the shielding shell.

In some embodiments, the shielding shell includes an upper shell and a lower shell, the upper shell and the two side walls are formed by the upper shell and the two side walls, the shielding shell defines an upper receiving cavity and a lower receiving cavity, the side walls have a plurality of openings corresponding to the upper receiving cavity and the lower receiving cavity, respectively, the shielding plate of the buckle covers the opening corresponding to the upper receiving cavity, and the lower shell integrally has a shielding plate for covering the opening corresponding to the lower receiving cavity.

The utility model provides a buckle has the shielding piece integratively, and the shielding piece can be used for hiding the opening on the lateral wall of shielding shell after the buckle equipment, increases the shielding effect to electromagnetic interference, and the shielding piece need not additionally separately assemble, has reduced equipment time and procedure. Furthermore, in the structure in which the interior of the shielding shell is divided into the upper receiving cavity and the lower receiving cavity, the shielding sheet integrated with the buckle is used for covering the opening corresponding to the upper receiving cavity, and the lower shell is also integrally provided with the shielding sheet, and the shielding sheet can be used for covering the opening corresponding to the lower receiving cavity after the lower shell is assembled, so as to increase the shielding effect against electromagnetic interference.

Drawings

Other features and advantages of the present invention will become apparent from the following detailed description of the preferred embodiments with reference to the accompanying drawings, in which:

fig. 1 is a perspective view of an embodiment of the connector assembly of the present invention disposed on a circuit board and covered by a front panel of a housing, and also showing a pluggable module for mating with the embodiment;

FIG. 2 is a cross-sectional view of FIG. 1 with the front panel and pluggable module omitted;

fig. 3 is a perspective view of the embodiment, in which the receptacle connector of the embodiment is omitted;

FIG. 4 is a partial perspective view of FIG. 3 from another perspective;

FIG. 5 is an exploded perspective view of FIG. 3;

FIG. 6 is an exploded bottom perspective view of the heat sink of this embodiment illustrating the thermally conductive interface material disposed on the thermal coupling portion of the heat sink;

fig. 7 is an exploded perspective view of the heat sink of the embodiment, as viewed from the top;

fig. 8 is a sectional view of the embodiment, illustrating a shielding sheet of the buckle of the heat sink of the embodiment;

fig. 9 is a partially enlarged sectional view based on fig. 8, illustrating a shielding sheet of the buckle of the heat sink according to the embodiment;

FIG. 10 is an exploded perspective view of the inner spacer assembly of this embodiment; and

fig. 11 is an exploded perspective view of fig. 10 from another perspective.

The reference numbers are as follows:

100 connector assembly

1 socket connector

11 casing

111 upper butt-joint slot

112 lower butt joint slot

12 terminal

2 Shielding case

21 upper shell

211 ceiling of

212 side wall

212a opening

212b inwardly extending spring plate

212c cramp

213 inserting sheet

214 flap for fixation

215 pin

216 upper stop part

22 lower shell

221 bottom wall

221a conductive pad

222 first side plate

223 second side plate

224 jack

225 fixing hole

226 shield plate

23 rear cover

231 rear wall

24 accommodation space

241 front end socket

242 window

243 bottom opening

244 upper containing cavity

245 lower accommodating cavity

25 inner spacer assembly

251 interval shell

251a bottom fenestration

251b lower stop portion

252 inner heat sink

252a heat sink

252b biasing spring

252c substrate

252d Heat sink fins

252e thermal coupling

252f thermally conductive interface material

253 ground connection member

26 ground connection member

261 elastic finger

3 radiator

31 base plate

311 thermal coupling part

312 thermally conductive interface material

32 heat dissipation fin

33 fastener

331 press part

332 side plate part

332a buttonhole

333 shielding sheet

200 circuit board

300 front panel

400 pluggable module

401 casing

401a plug part

401b locking groove

401c contraposition structure

402 plug-in circuit board

403 cable

D1 front-back direction

D2 vertical direction

D3 left and right direction

Detailed Description

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

Referring to fig. 1 and 2, an embodiment of the connector assembly 100 of the present invention is suitable for being disposed on a circuit board 200 and covered by a housing (not shown), the housing has a front panel 300 disposed at the front end of the connector assembly 100 and for the front end of the connector assembly 100 to protrude, and the connector assembly 100 is suitable for being plugged with a pluggable module 400. The connector assembly 100 includes a receptacle connector 1, a shielding housing 2 and a heat sink 3.

Referring to fig. 1 to 5, the receptacle connector 1 is disposed on the circuit board 200. The shielding shell 2 is disposed on the circuit board 200 covering the receptacle connector 1 and extends along a front-rear direction D1. The shielding shell 2 includes an upper shell 21 and a lower shell 22 assembled to each other along a vertical direction D2, the upper shell 21 has a top wall 211, two side walls 212 extending downward from two side edges of the top wall 211 in a horizontal direction D3, two insertion pieces 213 formed at front sections of the two side walls 212 and extending downward, a plurality of fixing flaps 214 formed at bottom edges of the two side walls 212, and a plurality of pins 215 extending downward from bottom edges of the side walls 212 and penetrating through the lower shell 22 to be fixed on the circuit board 200, and the pins 215 may also be electrically connected to a ground line (not shown) on the circuit board 200. The lower shell 22 has a bottom wall 221 spaced from the top wall 211 along the up-down direction D2 and located in front of the receptacle connector 1, two first side plates 222 extending upward from front sections of left and right side edges of the bottom wall 221, two second side plates 223 extending upward from rear sections of the left and right side edges of the bottom wall 221 and covering outer sides of bottoms of the two side walls 212, two insertion holes 224 formed at top ends of the two first side plates 222 and respectively engaged with the two insertion pieces 213, and a plurality of fixing through holes 225 formed at junctions of the two second side plates 223 and the bottom wall 221 and respectively engaged with the plurality of fixing flaps 214, wherein the plurality of fixing flaps 214 are bent inward after passing through the plurality of fixing through holes 225. The upper case 21 and the lower case 22 are assembled and coupled to each other by the engagement of the insertion pieces 213 and the fixing flaps 214 of the upper case 21 and the insertion holes 224 and the fixing perforations 225 of the lower case 22. In addition, in the present embodiment, a conductive pad 221a is disposed between the rear section of the bottom wall 221 of the lower shell 22 and the circuit board 200, and the conductive pad 221a may be a conductive cloth and is connected between the shielding shell 2 and a ground line (not shown) of the circuit board 200 to increase the grounding effect. In addition, a rear cover 23 is further provided at the rear end of the upper shell 21 of the shielding shell 2, and the rear cover 23 has a rear wall 231 connected to the rear edges of the top wall 211 and the two side walls 212.

The top wall 211, the two side walls 212, the bottom wall 221 and the rear wall 231 of the shielding housing together define a receiving space 24, the receiving space 24 has a front end socket 241 facing forward, a window 242 formed on the top wall 211, and a bottom opening 243 located behind the bottom wall 221, and the receptacle connector 1 is covered by the shielding housing 2 through the bottom opening 243. In the present embodiment, an inner spacer 25 is disposed between the two sidewalls 212 of the shielding shell 2, and the inner spacer 25 divides the receiving space 24 of the shielding shell into an upper receiving cavity 244 and a lower receiving cavity 245 for the pluggable module 400 to be inserted through the front socket 241. The socket connector 1 has a housing 11 disposed on the circuit board 200, and a plurality of terminals 12. The housing 11 has an upper mating slot 111 and a lower mating slot 112 corresponding to the upper receiving cavity 244 and the lower receiving cavity 245, respectively, for mating with the pluggable module 400, and a plurality of terminals 12 are respectively disposed in the upper mating slot 111 and the lower mating slot 112 and electrically connected to the circuit board 200. The side wall 212 has a plurality of openings 212a corresponding to the upper receiving cavity 244 and the lower receiving cavity 245, specifically, in the embodiment, one opening 212a is formed on each of the two side walls 212 corresponding to the upper receiving cavity 244, and one opening 212a is formed on each of the two side walls 212 corresponding to the lower receiving cavity 245, but the number of the openings is not limited thereto. The openings 212a are located at the front section of the shielding shell 2, each opening 212a is configured with an inward extending elastic piece 212b extending toward the inside of the shielding shell 2 and obliquely rearward, and the inward extending elastic pieces 212b at the openings 212a are used for generating a locking effect with the pluggable module 400 inserted into the upper receiving cavity 244 or the lower receiving cavity 245. In detail, the pluggable module 400 has a housing 401, a plug circuit board 402, and a cable 403, the housing 401 has a plug portion 401a for being inserted into the upper receiving cavity 244 or the lower receiving cavity 245, the plug circuit board 402 is disposed at the front end of the plug portion 401a in a manner protruding out of the plug portion 401a and is for being inserted into the upper docking slot 111 or the lower docking slot 112, and the cable 403 is connected to the rear end of the housing 401 and is electrically connected to the plug circuit board 402. The left and right sides of the insertion part 401a of the casing 401 are provided with locking grooves 401b correspondingly matched with the inward extending elastic pieces 212 b. In addition, an alignment structure 401c is further formed at the top of the front end of the insertion portion 401a of the housing 401, the upper shell 21 of the shielding shell 2 further has an upper blocking portion 216 extending downward into the upper receiving cavity 244 from the rear end of the window 242 of the top wall 211, the inner spacer 25 has a lower blocking portion 251b extending downward into the lower receiving cavity 245, and the upper blocking portion 216 or the lower blocking portion 251b is used to block the alignment structure 401c to limit the insertion position of the pluggable module 400.

In addition, a plurality of grounding members 26 are disposed at the front end socket 241 of the shielding shell 2, the grounding member 26 has a plurality of elastic fingers 261 extending from the front end socket 241 toward the rear and distributed at the outer side of the shielding shell 2 and the inner side of the shielding shell 2, the elastic fingers 261 at the outer side of the shielding shell 2 are used for contacting the front panel 300, and the elastic fingers 261 at the inner side of the shielding shell 2 are used for contacting the pluggable module 400.

Referring to fig. 2, 3 and 5 to 7, the heat sink 3 is assembled on the top wall 211 of the shielding shell 2. The heat sink 3 includes a substrate 31 disposed on the top wall 211, a plurality of heat dissipation fins 32 extending along the front-back direction D1 and disposed on the top surface of the substrate 31 in a side-by-side buckling manner along the left-right direction D3, and two buckles 33 pressing against the substrate 31 from above the substrate 31 and buckled to the sidewall 212 of the shielding shell 2, in this embodiment, the plurality of heat dissipation fins 32 may be disposed on the substrate 31 in a welding manner avoiding the two buckles 33, for example. The substrate 31 has a thermal coupling portion 311 extending downward and penetrating through the window 242 into the upper receiving cavity 244, the thermal coupling portion 311 is used for contacting the pluggable module 400 (see fig. 1) inserted into the upper receiving cavity 244 to enhance the heat dissipation of the heat sink 3, and in the present embodiment, a thermal interface material 312 is disposed on a bottom surface of the thermal coupling portion 311 for contacting the pluggable module 400, and the thermal interface material 312 may be, for example, a thermal gasket or a thermal gasket containing a phase change material. The two fasteners 33 are arranged along the front-back direction D1, and the heat sink 3 is assembled to the top wall 211 of the shielding housing 2 through the two fasteners 33. Each buckle 33 has a pressing portion 331 extending along the left-right direction D3 and elastically pressing against the substrate 31, and two side plate portions 332 extending downward from the left and right ends of the pressing portion 331 and respectively fastened to the two side walls 212 of the shielding shell 2. The pressing portion 331 elastically presses against the substrate 31 so that the thermal coupling portion 311 extends into the upper receiving cavity 244 through the window 242 and elastically contacts the pluggable module 400. Each side wall 212 is formed with a plurality of fastening pieces 212c, and each side plate portion 332 is formed with a fastening hole 332a corresponding to the fastening piece 212 c. The two buckles 33 located at the front further have two shielding sheets 333 respectively extending integrally from the two side plate portions 332 and respectively covering the openings 212a of the side walls 212 corresponding to the upper receiving cavity 244. The shielding effect against electromagnetic interference can be increased by the two shielding plates 333, and the shielding plates 333 do not need to be separately assembled, thereby reducing the assembling time and procedure. Referring to fig. 8 and 9, in detail, in the embodiment, the two shielding plates 333 are gradually slightly outwardly expanded downward in the left-right direction D3, thereby facilitating the assembly of the buckle 33. In other embodiments, the two buckles 33 may be integrated into one body instead of being multiple pieces, and this embodiment should not be construed as a limitation. In addition, in the present embodiment, the lower shell 22 further has two shielding sheets 226 integrally extending upward from the two second side plates 223 and covering the opening 212a corresponding to the lower receiving cavity 245, so as to further increase the shielding effect against electromagnetic interference, and the shielding sheets 226 also do not need to be separately assembled, thereby reducing the assembling time and procedure.

Referring to fig. 3 and 10 to 11, in the present embodiment, the inner spacer assembly 25 has a spacer shell 251 disposed between the two sidewalls 212, an inner heat sink 252 disposed in the spacer shell 251, and a grounding element 253 disposed at the front end of the spacer shell 251. The partition casing 251 has a bottom opening window 251a located at the bottom and facing the lower receiving chamber 245, and the lower stopping portion 251b formed at the rear end of the bottom opening window 251 a. The inner heat sink 252 has a heat sink 252a disposed in the spacer casing 251, and a biasing elastic element 252b disposed in the spacer casing 251 and sandwiched between the top of the heat sink 252a and the spacer casing 251. The heat sink 252a has a substrate 252c and a plurality of heat dissipation fins 252D extending upward from the substrate 252c and arranged side by side along the left-right direction D3. The substrate 252c has a thermal coupling portion 252e extending downward and through the bottom opening 251a into the lower receiving cavity 245 for contacting the pluggable module 400 (see fig. 1), and the bottom of the thermal coupling portion 252e is also provided with a thermal interface material 252f for contacting the pluggable module 400. The biasing elastic element 252b is compressively sandwiched between the heat dissipation fins 252d of the heat dissipation member 252a and the spacer casing 251, so that the thermal coupling portion 252e extends into the lower receiving cavity 245 through the bottom window 251a and elastically contacts with the pluggable module 400.

In summary, the shielding shell 2 has many small holes for ventilation and heat dissipation besides the opening 212a formed by the inward extending elastic pieces 212b, and the small holes are small in size and densely arranged in a matrix, so that the shielding shell can shield electromagnetic interference; however, the size of the opening 212a formed by the inward extending elastic piece 212b is larger, so that the buckle 33 of the present invention integrally has the shielding piece 333, the shielding piece 333 can be used to cover the opening 212a formed by the inward extending elastic piece 212b on the sidewall 212 of the shielding shell 2 after the buckle 33 is assembled, thereby increasing the shielding effect against the electromagnetic interference, and the shielding piece 333 does not need to be separately assembled additionally, thereby reducing the assembling time and procedure. More specifically, in the structure that the interior of the shielding shell 2 is divided into the upper receiving cavity 244 and the lower receiving cavity 245, in addition to the integrated shielding sheet 333 of the buckle 33 for covering the opening 212a corresponding to the upper receiving cavity 244 and formed by the inner elastic sheet 212b, the lower shell 22 also has the shielding sheet 226 integrally, and after the lower shell 22 is assembled, the shielding sheet 226 thereof can be used for covering the opening 212a corresponding to the lower receiving cavity 245 and formed by the inner elastic sheet 212b, so as to increase the shielding effect against electromagnetic interference.

However, the above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.

Claims

1. A connector assembly, comprising:

a socket connector;

a shielding shell covering the socket connector, the shielding shell having a top wall and two side walls, the side walls having openings; and

the heat sink is provided with a buckle, the heat sink is assembled on the top wall of the shielding shell through the buckle, and the buckle is integrally provided with a shielding sheet for covering the opening of the side wall.

2. The connector assembly of claim 1, wherein the buckle has two side plate portions fastened to the two side walls, and the shield piece integrally extends from the side plate portions.

3. The connector assembly of claim 2, wherein the two side walls have the openings, and the buckle has two shielding plates integrally extending from the two side plate portions and covering the openings of the two side walls.

4. The connector assembly of claim 3, wherein the openings are located at a front section of the shielding shell, and each opening is configured with an inwardly extending spring tab extending into the shielding shell.

5. The connector assembly according to any one of claims 1 to 4, wherein the shielding shell includes an upper shell defining the top wall and the two side walls, and a lower shell defining an upper receiving cavity and a lower receiving cavity, the side walls having a plurality of openings corresponding to the upper receiving cavity and the lower receiving cavity, respectively, the shielding plate of the buckle covers the opening corresponding to the upper receiving cavity, and the lower shell integrally has a shielding plate for covering the opening corresponding to the lower receiving cavity.