CN213845629U

CN213845629U - Shell assembly

Info

Publication number: CN213845629U
Application number: CN202022229938.4U
Authority: CN
Inventors: 张建; 王晓东; 许春锋
Original assignee: Jiangsu Fuhao Electronic Technology Co ltd
Current assignee: Jiangsu Fuhao Electronic Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-07-30
Anticipated expiration: 2030-10-09

Abstract

The application discloses casing subassembly, it is used for acceping module subassembly and is used for module subassembly electric connection to mother circuit board, casing subassembly includes metal body, metal body includes anterior, back wall, roof, diapire and lateral wall, the body is equipped with accepts the chamber, it is located between anterior, back wall, roof, diapire and the lateral wall to accept the chamber, the anterior opening that is equipped with, the opening with accept the chamber intercommunication, wherein end foot includes first end, second end and fisheye portion. The provision of the fisheye portion facilitates the mounting of the housing assembly to the mother board, and the soldering step can be omitted, thereby making the manufacture simpler.

Description

Shell assembly

Technical Field

The present application relates to the field of connectors, and more particularly, to a housing assembly.

Background

SFP (Small Form-factor plug modules), i.e. miniaturized, hot-pluggable optical transceiver modules, basically functions to implement photoelectric signal conversion in signal transmission. The SFP plug is one of connectors, and has the characteristics of small size, simple structure, hot plugging and the like, so that the SFP plug has great advantages in the aspects of maintenance and upgrading of a communication system. Many models of optical module products therefore tend to employ SFP plugs. The SFP plug transmits data through photoelectric conversion, and is usually plugged into a transmission port of a switch or a router to realize data transmission with the switch or the router. The SFP plug is required to be provided with a locking structure and an unlocking structure in the use process, so that the SFP plug can be effectively locked on a port of the switch, and when the SFP plug is required to be pulled out, the locking structure is unlocked through the unlocking structure, and the SFP plug can be smoothly separated from the switch.

An SFP housing assembly (SFP Cage) mates with the SFP plug, the prior art housing assembly including terminal pins for connection to the mother circuit board, the terminal pins being secured to the mother circuit board by soldering.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application will solve lies in: a housing assembly is provided that is simple to manufacture.

In order to solve the technical problem, the technical scheme of the application is as follows:

a shell assembly is used for accommodating a module assembly and electrically connecting the module assembly to a mother circuit board, and comprises a metal body, wherein the metal body comprises a front part, a rear wall, a top wall, a bottom wall and a side wall, the body is provided with an accommodating cavity, the accommodating cavity is positioned between the front part, the rear wall, the top wall, the bottom wall and the side wall, the front part is provided with an opening, the opening is communicated with the accommodating cavity, the shell assembly further comprises an end foot part extending downwards from the bottom wall, the end foot part comprises a first end part, a second end part and a fisheye part, the first end part is connected to the bottom wall, the fisheye part is connected between the first end part and the second end part, the second end part is positioned below the fisheye part, the fisheye part comprises a first arc part and a second arc part, and is provided with a fisheye hole positioned between the first arc part and the second arc part, first arc portion and second arc portion arrange along the fore-and-aft direction, in the width direction of end foot portion, the maximum width of first arc portion and second arc portion is greater than the width of first end, the maximum width of first arc portion and second arc portion is greater than the width of second end.

Compared with the prior art, the housing assembly of this application includes the terminal foot portion from diapire downwardly extending, terminal foot portion includes first end, second end and fisheye, and the setting up of fisheye has made things convenient for housing assembly to install to mother circuit board, can omit the welding step to it is simpler to make.

Further, the metal body comprises an upper shell and a lower shell, and the upper shell and the lower shell are fixed together through assembly; the terminal foot part and the lower shell are integrally formed through stamping, or the terminal foot part and the lower shell are assembled and fixed together.

Further, the metal body comprises an upper shell and a lower shell, and the upper shell and the lower shell are fixed together through assembly; the terminal foot part and the upper shell are integrally formed through stamping, or the terminal foot part and the upper shell are assembled and fixed together.

Further, the metal body still includes middle shielding piece, the upper end of middle shielding piece is connected in the roof, the lower part of middle shielding piece is connected in the diapire, middle shielding piece will accept the chamber and divide into first sub-chamber of acceping and the sub-chamber is acceptd to the second.

Further, metal ontology is including being close to anterior elasticity hasp piece, the elasticity hasp piece is located the below of acceping the chamber, the elasticity hasp piece is the cantilever form, the diapire is equipped with the channel of undercut backward, the elasticity hasp piece extends forward from the diapire edge that forms the channel, the channel includes first channel and second channel, first channel and second trench are located the opposite both sides of elasticity hasp piece width direction, the elasticity hasp piece is including the connecting portion of connecting the diapire and connecting in the free end of connecting portion front end, the free end is equipped with the through-hole that runs through along upper and lower direction, the through-hole is used for with butting connector hasp, the free end is the shape of falling V.

Further, the casing assembly still includes the heat dissipation module, the heat dissipation module includes mounting bracket and radiating block, the mounting bracket includes roof and lateral wall, the roof of mounting bracket cover in metal body's roof, the lateral wall of mounting bracket cover in metal body's lateral wall, the roof of mounting bracket is equipped with the radiating groove, the lateral wall of mounting bracket is equipped with first hasp portion, metal body's lateral wall is equipped with second hasp portion, first hasp portion and second hasp portion hasp, the at least partial exposure of radiating block is located the radiating groove.

Furthermore, the first locking part is of a groove structure, the second locking part is of a bump structure, and at least part of the second locking part is accommodated in the first locking part.

Further, the roof of metal body is equipped with the mounting groove, the radiating block is installed in the radiating groove, the radiating block has the part and is located the accepting groove.

Further, the roof of mounting bracket is the frame form, the mounting bracket butt in the radiating block.

Furthermore, middle shielding piece has back-off, lower back-off and back-off, go up the back-off detain hold in the roof of metal body, the back-off detains hold in the diapire of metal body down, back-off detains hold in the back wall of metal body.

Drawings

FIG. 1 is a perspective view of a housing assembly according to an embodiment of the present application.

Fig. 2 is a perspective view of another perspective view of a housing assembly according to an embodiment of the present application.

Fig. 3 is an exploded perspective view of a housing assembly according to an embodiment of the present application.

Fig. 4 is an enlarged schematic view of a circled portion a of the housing assembly shown in fig. 1.

Fig. 5 is an enlarged schematic view of the circled portion B of the housing assembly shown in fig. 2.

Fig. 6 is an exploded perspective view of a housing assembly according to an embodiment of the present application.

FIG. 7 is a schematic perspective cross-sectional view of a housing assembly according to an embodiment of the present application.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the terms "first," "second," and the like as used in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Similarly, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one; "plurality" means two or more than two. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items.

The piping connection assembly according to the exemplary embodiment of the present application will be described in detail below with reference to the accompanying drawings. The features of the following examples and embodiments can be supplemented or combined with each other without conflict.

As shown in fig. 1 to 7, a housing assembly 100 is used for receiving a module assembly and for electrically connecting the module assembly to a mother circuit board.

The housing assembly 100 includes a metal body 10, wherein the metal body 10 includes a front portion 11, a rear wall 12, a top wall 13, a bottom wall 14, and side walls 15. The metal body 10 has a substantially rectangular parallelepiped shape.

The metal body 10 is provided with a receiving cavity 16, wherein the receiving cavity 16 is located between the front portion 11, the rear wall 12, the top wall 13, the bottom wall 14 and the side wall 15. The front portion 11 has an opening 111 communicating with the receiving cavity 16, the rear end of the bottom wall 14 has a through hole 142, the module assembly is received in the receiving cavity 16, the opening of the module assembly is close to the opening 111 of the front portion 11, and the mounting end of the module assembly extends from the receiving cavity 16 to beyond the bottom wall 14 for connecting to the mother circuit board. The opening 111 is used for inserting the plug connector into the receiving cavity 16 to be abutted with the module assembly, so as to realize the electrical connection between the plug connector and the module assembly.

The housing assembly 10 includes a terminal foot 17 extending downwardly from the bottom wall 14, wherein the terminal foot 17 includes a first end 171, a second end 172, and a fisheye 173. The first end 171 is connected to the bottom wall 14, the fisheye 173 is connected between the first end 171 and the second end 172, and the second end 172 is located below the fisheye 173. The fisheye portion 173 includes a first arc portion 174 and a second arc portion 175, and the fisheye portion 173 is provided with a fisheye hole 176 between the first arc portion 174 and the second arc portion 175. In the width direction of the terminal foot portion 17, the maximum width of the first arc-shaped portion 174 and the second arc-shaped portion 175 is larger than the width of the first end portion 171, and the maximum width of the first arc-shaped portion 174 and the second arc-shaped portion 175 is larger than the width of the second end portion 172. The side of the second end portion 172 away from the fisheye portion 173 is provided with a chamfer 177, and the width of the end of the chamfer 177 is smaller than the width of the first end portion 171, so as to facilitate the insertion of the housing assembly 10 into a mother circuit board.

The metal body 10 includes an upper case 18 and a lower case 19, the upper case 18 and the lower case 19 are formed by stamping a metal material tape, and the upper case 18 and the lower case 19 are fixed together by assembling. The terminal portion 17 is integrally formed with the lower case 19 or the upper case 18 by punching, or the terminal portion 17 is assembled with the lower case 19 or the upper case 18 and fixed together. In the embodiment illustrated in fig. 1 and 2, the terminal foot portion 17 is integrally formed with the upper housing 18 by stamping, facilitating manufacture of the housing assembly 10. In the embodiment shown in fig. 3, the terminal pin 17 and the upper housing 18 are assembled and fixed together, and after assembly, the fixing can be achieved by welding, gluing and the like, so that the height of the terminal pin 17 can be conveniently adjusted according to the thickness of different mother circuit boards, and thus different use scenes can be adapted.

The metal body 10 further comprises an intermediate shielding sheet 21, the upper end of the intermediate shielding sheet 21 is connected to the top wall 13, the lower portion of the intermediate shielding sheet 21 is connected to the bottom wall 14, the intermediate shielding sheet 21 divides the accommodating cavity 16 into a first accommodating sub-cavity 161 and a second accommodating sub-cavity 162, and each accommodating sub-cavity can accommodate a corresponding module component. The metal body 10 includes a resilient latch piece 22 near the front portion 11, the resilient latch piece 22 is located below the receiving cavity 16, and the resilient latch piece 22 is cantilevered. The intermediate shielding sheet 21 may shield electromagnetic interference between the first receiving sub-chamber 161 and the second receiving sub-chamber 162. The first receiving sub-cavity 161 and the second receiving sub-cavity 162 may be used to receive and mate with one plug connector, respectively.

The bottom wall 14 is provided with a rearwardly recessed channel 23 and a resilient catch tab 22 extends forwardly from the edge of the bottom wall defining the channel 141. The groove 23 includes a first groove 231 and a second groove 232, and the first groove 231 and the second groove 232 are located on opposite sides of the width direction of the resilient locking piece 22. The elastic latching piece 22 includes a connecting portion 221 connected to the bottom wall 14 and a free end 222 connected to the front end of the connecting portion 221, the free end 222 is provided with a through hole 223 penetrating along the up-down direction, the through hole 223 is used for latching with the butting connector, and the free end 222 is in an inverted V shape. The through hole 223 is in a triangular shape with a wide front end and a small rear end, so that the locking and unlocking of the butting connector are facilitated.

The case assembly 100 further includes a heat dissipation module 30, and the heat dissipation module 30 includes a mounting block 31 and a heat dissipation block 32. The mounting bracket 31 includes a top wall 311 and a side wall 312, and the top wall 311 of the mounting bracket 31 covers the top wall 13 of the metal body 10. The side wall 312 of the mounting bracket 31 covers the side wall 15 of the metal body 10, and the top wall 311 of the mounting bracket 31 is provided with a heat sink 313. The side wall 312 of the mounting bracket 31 is provided with a first locking portion 314, the side wall 15 of the metal body 10 is provided with a second locking portion 151, the first locking portion 314 and the second locking portion 151 are locked, and at least a portion of the heat dissipation block 32 is exposed from the heat dissipation groove 313, so that heat of the module assembly is dissipated. The top wall 13 of the metal body 10 is provided with an installation groove 131, the installation groove 131 and the heat dissipation groove 313 are vertically arranged correspondingly, and the heat dissipation block 32 is installed on the heat dissipation groove 131. The heat slug 32 has a portion located in the mounting groove 131, and the heat slug 32 has a portion located in the receiving groove 16.

The first locking portion 314 is a groove structure, the second locking portion 151 is a bump structure, and at least a portion of the second locking portion 151 is received in the first locking portion 314. In the illustrated embodiment, the first locking portion 314 is a through hole, and the second locking portion 151 is a protrusion. The top wall 13 of the mounting bracket 31 is frame-shaped, and the mounting bracket 31 abuts against the heat dissipating block 32.

The middle shielding plate 21 has an upper reverse 211, a lower reverse 212 and a rear reverse 213, the upper reverse 211 is fastened to the top wall 13 of the metal body 10, the lower reverse 212 is fastened to the bottom wall 14 of the metal body 10, and the rear reverse 213 is fastened to the rear wall 12 of the metal body 10. The upper undercut 211, the lower undercut 212, and the rear undercut 213 may be formed by riveting or may be formed by welding separate members.

The housing assembly 100 includes a dome module 40, wherein the dome module 40 is mounted on the front portion 11 of the metal body 10. The spring module 40 includes a frame body 41 and a plurality of spring assemblies 42 disposed on the frame body 41, and each spring assembly 42 includes an assembly body 421 and an elastic portion 422 extending backward from the assembly body 421. The kit body 421 is fixedly connected to the frame body 41, the elastic portion 422 is wave-shaped, and the elastic portion 422 is provided with a groove 423. The provision of the spring module 40 facilitates the mounting of the housing assembly 100 to the frame of the stand.

The heat sink 32 includes a lower heat sink 321, a middle heat sink 322, and an upper heat sink 333. The lower heat dissipation portions 321 protrude into the corresponding receiving cavities 16, and the lower heat dissipation portions 321 are in the shape of bosses. The middle heat sink member 322 is connected between the lower heat sink member 321 and the upper heat sink member 333, and plays a role of heat transfer. The upper heat dissipating part 333 is provided with a plurality of ribs 334 and grooves 335 between two adjacent ribs 334, and the arrangement of the ribs 334 and the grooves 335 enhances heat exchange with air, thereby enhancing the heat dissipating effect.

Compared with the prior art, the housing assembly 100 of the present application includes the terminal foot portion 17 extending downward from the bottom wall 14, the terminal foot portion 17 includes the first end portion 11, the second end portion 172 and the fisheye portion 173, and the fisheye portion 173 facilitates the mounting of the housing assembly 100 to the mother circuit board, so that the soldering step can be omitted, and the manufacturing is simpler.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and within the scope of the present invention.

Claims

1. A housing assembly for receiving a module assembly and for electrically connecting the module assembly to a mother circuit board, the housing assembly includes a metal body including a front portion, a rear wall, a top wall, a bottom wall, and side walls, the body is provided with an accommodating cavity which is positioned among the front part, the rear wall, the top wall, the bottom wall and the side wall, the front part is provided with an opening which is communicated with the accommodating cavity, characterized in that the housing assembly further comprises a terminal foot extending downwardly from the bottom wall, the terminal foot comprising a first end, a second end and a fisheye, the first end portion is connected to the bottom wall, the fisheye portion is connected between the first end portion and the second end portion, the second end part is positioned below the fisheye part, the fisheye part comprises a first arc-shaped part and a second arc-shaped part, and the fisheye part is provided with a fisheye hole positioned between the first arc-shaped part and the second arc-shaped part; in the width direction of the end foot portion, the maximum width of the first arc-shaped portion and the second arc-shaped portion is larger than the width of the first end portion, and the maximum width of the first arc-shaped portion and the second arc-shaped portion is larger than the width of the second end portion.

2. The housing assembly of claim 1, wherein: the metal body comprises an upper shell and a lower shell, and the upper shell and the lower shell are fixed together through assembly; the terminal foot part and the lower shell are integrally formed through stamping, or the terminal foot part and the lower shell are assembled and fixed together.

3. The housing assembly of claim 1, wherein: the metal body comprises an upper shell and a lower shell, and the upper shell and the lower shell are fixed together through assembly; the terminal foot part and the upper shell are integrally formed through stamping, or the terminal foot part and the upper shell are assembled and fixed together.

4. A housing assembly as claimed in claim 2 or 3, wherein: the metal body still includes middle shielding piece, the upper end of middle shielding piece is connected in the roof, the sub-unit connection of middle shielding piece is in the diapire, middle shielding piece will accept the chamber and divide into first sub-chamber of acceping and the sub-chamber is acceptd to the second.

5. The housing assembly of claim 4, wherein: the metal body is including being close to anterior elasticity hasp piece, the elasticity hasp piece is located the below of acceping the chamber, the elasticity hasp piece is the cantilever form, the diapire is equipped with the channel of undercut backward, the elasticity hasp piece extends forward from the diapire edge that forms the channel, the channel includes first channel and second channel, first channel and second slot are located the opposite both sides of elasticity hasp piece width direction, the elasticity hasp piece is including the connecting portion of connecting the diapire and connecting in the free end of connecting portion front end, the free end is equipped with the through-hole that runs through along upper and lower direction, the through-hole is used for with butt connector hasp, the free end is the shape of falling V.

6. The housing assembly of claim 5, wherein: the casing assembly still includes heat dissipation module, heat dissipation module includes mounting bracket and radiating block, the mounting bracket includes roof and lateral wall, the roof of mounting bracket cover in metal body's roof, the lateral wall of mounting bracket cover in metal body's lateral wall, the roof of mounting bracket is equipped with the radiating groove, the lateral wall of mounting bracket is equipped with first hasp portion, metal body's lateral wall is equipped with second hasp portion, first hasp portion and second hasp portion hasp, the at least partial dew of radiating block is located the radiating groove.

7. The housing assembly of claim 6, wherein: the first locking part is of a groove structure, the second locking part is of a bump structure, and at least part of the second locking part is accommodated in the first locking part.

8. The housing assembly of claim 7, wherein: the roof of metal body is equipped with the mounting groove, the radiating block is installed in the radiating groove, the radiating block has the part and is located the accepting groove.

9. The housing assembly of claim 8, wherein: the roof of mounting bracket is the frame form, the mounting bracket butt in the radiating block.

10. The housing assembly of claim 9, wherein: the middle shielding piece is provided with an upper back-off, a lower back-off and a rear back-off, the upper back-off is buckled on the top wall of the metal body, the lower back-off is buckled on the bottom wall of the metal body, and the rear back-off is buckled on the rear wall of the metal body.