CN212321913U - High-speed optical module shell structure - Google Patents

Abstract

The application discloses high-speed optical module shell structure includes: the optical module comprises a bottom shell, an upper shell, an unlocking part, an adapter and a coaxial device, wherein the bottom shell and the upper shell are assembled to form an optical module cavity for accommodating the adapter, the coaxial device and the photoelectric part, the unlocking part can be slidably mounted on the optical module and can unlock the optical module and withdraw from a host device when the unlocking part is pulled, the adapter is fixedly mounted in the optical module cavity and used for fixedly inserting an optical connector and an MPO optical fiber jumper connector, and the coaxial device is inserted in the optical connector and used for coaxially aligning the optical connector and the MPO optical fiber jumper connector. According to the high-speed optical module shell structure, the adapter, the coaxial device and the photoelectric part can be stably installed in the cavity of the optical module; the unlocking part can enable the optical module to be locked and unlocked smoothly in the host device; the bottom shell, the upper shell, the unlocking part and the adapter are convenient to mount and dismount, and the optical connector and the MPO optical fiber jumper connector are well coaxially aligned by the coaxial connector.

Description

High-speed optical module shell structure

Technical Field

The application relates to the technical field of optical communication, in particular to a high-speed optical module shell structure.

Background

The steady development of the global telecommunication industry and the steady growth of broadband users lay a solid foundation for the development of the optical communication industry. With the continuous improvement of the global bandwidth demand and the expansion of the application fields of data centers and security monitoring optical communication industries, the optical fiber broadband access has become the mainstream communication mode. Under the promotion of popularization of terminals such as smart phones and the like and applications such as video and cloud computing, telecom operators continuously invest in building and upgrading mobile broadband networks and optical fiber broadband networks, and the investment scale of optical communication equipment is further enlarged.

The rapid development of the optical communication industry drives the updating of the optical module. Under the market competition environment where optical communication is increasingly intense at present, the demand of communication equipment for reducing the size of the equipment and increasing the interface density is also increasing. To meet this demand, optical modules are also being developed toward small packages with high integration and high speed. Such as XFP, QSFP (Small Form-factor Pluggable optical module), QSFP +, CFP/CFP2/CFP4, QSFP28, etc., are all Small-sized Pluggable high-density interface, high-speed optical modules, where QSFP28 is suitable for a 4 × 25GE access port, provides four high-band interconnection channels, and the highest transmission rate of each channel can achieve 40 Gbps. The QSFP28 optical module can be directly upgraded to 100G from 25G without passing through 40G, so that the wiring system of the data center is greatly simplified, the cost and the cable density of the wiring system are reduced, and a more cost-effective solution is provided for enterprise upgrading and Ethernet connection. Therefore, a high-speed optical module shell structure is needed, which enables an optoelectronic device, a functional circuit board, an optical connector and the like of an optical module to be stably fixed in a cavity of the optical module, enables the optical module to be used in combination with optical fiber communication equipment, converts an optical signal of the optical fiber communication equipment into an electrical signal through the optoelectronic device, transmits the electrical signal to the functional circuit board, communicates the electrical signal received by the functional circuit board with a circuit board in a host device, and otherwise transmits the electrical signal of the circuit board in the host device to the functional circuit board in the optical module, and converts the electrical signal into an optical signal through the optoelectronic device and transmits the optical signal to the optical; the optical module is stably locked in the host device through the unlocking component in the optical module shell structure, the optical module is smoothly unlocked and withdrawn from the host device through the unlocking component, and the optical connector in the optical module is coaxially aligned with an MPO (Multi-Fiber Push On) optical Fiber jumper connector through a coaxial device in the optical module shell structure, so that optical signals are well transmitted.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims at providing a high-rate optical module shell structure, make the photoelectronic device of optical module, functional circuit board and optical joint etc. stabilize in the cavity of optical module, through the unblock part among the optical module shell structure, make the firm lock of optical module in the host computer device, and make the optical module unblock and withdraw from the host computer device through the unblock part, and make optical joint and the coaxial alignment of MPO optical fiber jumper connection ware in the optical module through the coaxial ware, make the good transmission of light signal.

In order to achieve the above object, an embodiment of the present invention provides a high-speed optical module housing structure, including: the optical module comprises a bottom shell, an upper shell, an unlocking part, an adapter and a coaxial device, wherein the bottom shell and the upper shell are assembled to form an optical module cavity for accommodating the adapter, the coaxial device and the photoelectric part, the unlocking part can be slidably arranged on the optical module and can unlock the optical module and withdraw from a host device when the unlocking part is pulled, the adapter is fixedly arranged in the optical module cavity and is used for inserting and fixing an optical connector and inserting and locking an MPO optical fiber jumper connector, the coaxial device is inserted in the optical connector and is used for coaxially aligning the optical connector and the MPO optical fiber jumper connector,

the bottom shell is provided with a heat conduction platform inside the shell, a heat dissipation surface on the bottom surface outside the shell, a first accommodating space corresponding to the unlocking part on one side surface of the shell, the heat conduction platform conducts heat generated in the work of the photoelectric part to the heat dissipation surface, the heat is dissipated to the air through a radiator tightly attached to the heat dissipation surface, the first accommodating space is provided with a locking surface, a sliding groove, a spring groove and an accommodating groove, the locking surface is used for being matched with a spring plate lock catch on a metal cage in a host device to lock the optical module in the metal cage, the sliding groove is used for providing a sliding route of the unlocking part, the spring groove is used for accommodating a reset spring to provide reset force of the unlocking part, an opening of the accommodating groove is arranged on the locking surface, the bottom shell is further provided with a stop block and a part of installing grooves, and the stop block is used for clamping the coaxial device, the part mounting groove is used for mounting the adapter;

the side face of one end of the upper shell is provided with a second accommodating space corresponding to the first accommodating space, the accommodating space formed by matching the first accommodating space with the second accommodating space accommodates the unlocking part, the unlocking part slides in the accommodating space to unlock the optical module, the second accommodating space is provided with a stroke limiting groove for limiting the stroke of the unlocking part, one end of the upper shell is also provided with a partial mounting groove, and the partial mounting groove of the upper shell is matched with the partial mounting groove of the bottom shell to form a complete mounting groove for accommodating and fixing the adapter;

the unlocking part is provided with an unlocking rod and a handle, the unlocking rod is made of metal materials and is provided with a left sliding rod, a right sliding rod and a connecting cross beam, the left sliding rod and the right sliding rod are symmetrically arranged at two sides of the connecting cross beam, an unlocking wedge, a sliding block, a spring block, a stroke limiting block and a handle block are symmetrically arranged on the left sliding rod and the right sliding rod, the unlocking wedge is accommodated in the accommodating groove and slides outwards to jack the elastic sheet lock catch when unlocking, the sliding block is accommodated in the sliding groove and slides in the sliding groove when unlocking, a sliding route is provided for the unlocking part, the spring block is accommodated in the spring groove and is abutted against one end of the reset spring, the stroke limiting block is accommodated in the stroke limiting groove and is matched with the stroke limiting groove to limit the sliding stroke of the unlocking part when unlocking is carried out, and the handle block is provided with a through hole, the handle is made of rubber materials and is provided with a handheld surface and two symmetrical pull arms, one end of each pull arm is integrally processed with the handle block, so that the unlocking rod and the handle form an integral component to form the unlocking part, the handheld surface is arranged at the other end of each pull arm to provide external tension to pull the unlocking part to unlock the optical module, and the handheld surface is provided with a handheld protrusion and an LOGO protrusion;

the adapter is accommodated in the complete mounting groove and is provided with an optical connector port, an MPO optical fiber jumper port and an elastic arm hook, the optical connector port is used for being plugged with the optical connector, the MPO optical fiber jumper port is used for being plugged with the MPO optical fiber jumper connector, and the elastic arm hook is used for locking the MPO optical fiber jumper connector in the adapter;

the coaxial device is provided with a base and a positioning pin, the base is provided with a mounting hole, a stop block surface and an optical connector surface, the positioning pin is clamped in the mounting hole and inserted into the optical connector, and the MPO optical fiber jumper connector is inserted into the positioning hole of the MPO optical fiber jumper connector when inserted into the adapter, so that the optical connector and the MPO optical fiber jumper connector are well aligned to carry out optical signal transmission, the stop block surface abuts against the stop block, and the optical connector surface abuts against the optical connector base of the optical connector.

In the high-speed optical module housing structure, the first accommodating spaces are symmetrically arranged on two side surfaces of the bottom shell at one end, correspondingly, the second accommodating spaces are also symmetrically arranged on two side surfaces of the upper shell at one end, and the first accommodating spaces and the second accommodating spaces are matched to form symmetrical accommodating spaces for accommodating the left slide bar and the right slide bar.

In the housing structure of the high-speed optical module, the main bodies of the left sliding rod and the right sliding rod are in a flat strip shape; the unlocking wedge body is arranged on the end face of one end of the main body and corresponds to the containing groove; the handle block is arranged at the other end of the main body and corresponds to the pull arm; the sliding block is arranged on the lower side of the main body and corresponds to the sliding groove; the stroke limiting block is arranged on the upper side of the main body and corresponds to the stroke limiting groove; the spring block is arranged on the inner side of the main body and corresponds to the spring groove.

In the housing structure of the high-speed optical module, the bottom shell is further provided with a positioning column, a lower positioning surface, a bottom shell label slot and an identification bulge, and the positioning column and the lower positioning surface are arranged in a cavity of the bottom shell and used for clamping and fixing the functional circuit board; the bottom shell label grooves are symmetrically arranged on two side surfaces of the bottom shell and used for sticking label descriptions; the identification bulge is arranged on the inner bottom surface of the cavity of the bottom shell and used for identifying and explaining the production date of the optical module and the LOGO of a company.

In the housing structure of the high-speed optical module, the upper housing is further provided with an upper positioning surface and a label slot, and the upper positioning surface is matched with the lower positioning surface in the bottom housing to clamp and fix the functional circuit board; the label slot is a groove arranged on the outer surface of the upper shell and used for sticking label instructions.

According to the high-speed optical module shell structure, the adapter, the coaxial device and the photoelectric part can be stably installed in the cavity of the optical module; the unlocking part can enable the locking and unlocking actions of the optical module in the host device to be simple and smooth; the bottom shell, the upper shell, the unlocking part and the adapter are convenient to mount and dismount, and the optical connector and the MPO optical fiber jumper connector are well coaxially aligned by the coaxial connector.

Drawings

Fig. 1 is an exploded view of a high-speed optical module housing structure according to an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of a housing structure of a high-speed optical module according to the present application;

FIG. 3 is a first assembly diagram of an embodiment of a high-speed optical module housing structure according to the present application;

FIG. 4 is a second assembly diagram of an embodiment of a high-speed optical module housing structure according to the present application;

fig. 5 is a third assembly diagram (an unlocked state) of the high-speed optical module housing structure according to the embodiment of the present application;

fig. 6 is a first schematic diagram of a bottom shell of a high-speed optical module housing structure according to the present application;

fig. 7 is a second schematic diagram of a bottom case of a high-speed optical module housing structure according to the present application;

fig. 8 is a first schematic view of an upper case of a high-speed optical module case structure according to the present application;

fig. 9 is a second schematic diagram of an upper case of the high-speed optical module case structure according to the present application;

fig. 10 is a schematic diagram of an unlocking portion of a housing structure of a high-speed optical module according to the present application;

FIG. 11 is a schematic diagram of an unlocking lever in an unlocking portion of a high-speed optical module housing structure according to the present application;

fig. 12 is a schematic diagram of a pull handle in an unlocking portion of a high-speed optical module housing structure according to the present application;

fig. 13 is a first schematic diagram of an adapter according to an embodiment of a high-speed optical module housing structure of the present application;

fig. 14 is a second schematic diagram of an adapter according to an embodiment of a high-speed optical module housing structure of the present application;

fig. 15 is a schematic diagram of a coaxial connector of a high-speed optical module housing structure according to the present application;

fig. 16 is a schematic diagram illustrating an assembly of a coaxial connector and an optical connector of a high-speed optical module housing structure according to the present application;

fig. 17 is a first schematic diagram of an optoelectronic portion of a high-speed optical module according to an embodiment of a housing structure of the high-speed optical module;

fig. 18 is a schematic diagram of a photoelectric unit of a high-speed optical module according to an embodiment of a housing structure of the high-speed optical module (with an adapter);

FIG. 19 is a schematic view of the optical connector of a high-speed optical module housing structure of the present application connected to an MPO fiber jumper connector with the coax in place (with the adapter removed);

fig. 20 is a schematic diagram of a metal cage in a host device, which is matched with an embodiment of a high-speed optical module housing structure according to the present application.

The reference numerals are explained below:

100 bottom shell

110 heat conduction stage 120 bottom shell label slot with first accommodation space 121, locking surface 122, sliding slot 123, spring slot 124, partial accommodating slot 130, stopper 150, heat dissipation surface 161, positioning column 162, mounting surface 171 of identification protrusion 172

200 upper case

210 second accommodation space 211 distance limiting groove 220 part mounting groove 230 upper positioning surface 240 label groove

300 unlocking part

310 unlocking rod 311, left sliding rod 312, right sliding rod 313, crossbeam 311-1 unlocking wedge 311-2 sliding block 311-3 spring block 311-4 stroke limiting block 311-5 handle block 320, handle 321, handle arm 322, handle surface 323 LOGO protrusion 324 and handle protrusion 324

400 adapter 410 optical connector port 420 MPO optical fiber jumper port 421 spring arm hook

500 coaxial device 510 seat 511 mounting hole 512 stop surface 513 optical joint surface 520 coaxial needle

600 photoelectric part

610 optoelectronic device 620 function circuit board 621 positioning slot 630 optical connector 631 optical connector base 640 optical ribbon fiber

710 dust plug 720 return spring 730 screw

810 metal cage 811 spring lock 812 heat sink 813 lock

900 MPO optical fiber jumper connector

Detailed Description

Specific embodiments of the present application will be described in detail below. It should be noted that the embodiments described herein are only for illustration and are not intended to limit the present application.

Fig. 1 and 2 are exploded views of an embodiment of a high-speed optical module housing structure of the present application, fig. 3 and 4 are assembled effect views of an embodiment of a high-speed optical module housing structure of the present application, fig. 5 is an unlocked state schematic view of an embodiment of a high-speed optical module housing structure of the present application, fig. 6 to 15 are schematic views of components in an embodiment of a high-speed optical module housing structure of the present application, fig. 16 is an assembly schematic view of a coax and an optical connector of a high-speed optical module housing structure of the present application, fig. 17 and 18 are assembled schematic views of a functional circuit board 620, an optoelectronic device 610, an optical connector 630 and an adapter 400 of a high-speed optical module of an embodiment of a high-speed optical module housing of the present application, and fig. 19 is an assembly schematic view of an MPO optical fiber jumper connector 900 and an optical connector 630 which are used in cooperation with a high-speed optical, fig. 20 is a schematic diagram of a metal cage 810 used in conjunction with an embodiment of a high-speed optical module housing structure according to the present invention. As shown in the above figures, the optical module housing structure mainly includes a bottom case 100, an upper case 200, an unlocking portion 300, an adapter 400, and a coaxial connector 500.

As shown in fig. 1 and 2, the bottom housing 100 and the top housing 200 are assembled by screws 730 to form a cavity for accommodating the optoelectronic device 610, the functional circuit board 620, the optical connector 630, the adapter 400 and the coaxial connector 500 of the optical module.

Referring to fig. 6 and 7, the bottom case 100 is provided with a heat conducting platform 110 inside the casing, a heat dissipating surface 150 on the bottom surface outside the casing, a first accommodating space 120 corresponding to the unlocking portion 300 on one side surface of the casing, the heat conducting platform 110 conducts heat generated by the photoelectric portion 600 during operation to the heat dissipating surface 150, and the heat is dissipated to the air through a heat sink 812 closely attached to the heat dissipating surface 150, the first accommodating space 120 has a locking surface 121, a sliding groove 122, a spring groove 123 and an accommodating groove 124, the locking surface 121 is used for cooperating with a spring catch 811 on a metal cage 810 in the host device to lock the optical module in the metal cage 810, the sliding groove 122 is used for providing a sliding path of the unlocking portion 300, the spring groove 123 is used for accommodating a return spring 720 to provide a return force of the unlocking portion 300, an opening of the locking groove 124 is provided on the locking surface 121, the bottom case 100 is further provided with a stopper 140 and a part of the mounting groove 130, stop block 140 is used for clamping coaxial connector 500, and part of mounting groove 130 is used for mounting adapter 400.

Referring to fig. 8, the upper case 200 is provided with a second accommodating space 210 corresponding to the first accommodating space 120 at two side surfaces of one end, the accommodating space formed by the first accommodating space 120 and the second accommodating space 210 in a matching manner accommodates the unlocking rod 310, the unlocking rod 310 slides in the accommodating space to unlock the optical module, the second accommodating space 210 is provided with a stroke limiting groove 211 for limiting the stroke of the unlocking rod 310, the upper case 200 is further provided with a partial mounting groove 220 at one end, and the partial mounting groove 120 and the partial mounting groove 220 are matched to form a complete mounting groove for accommodating the fixing adapter 400.

Referring to fig. 10 to 12, the unlocking part 300 is provided with an unlocking rod 310 and a handle 320, the unlocking rod 310 is made of metal material and is provided with a left sliding rod 311, a right sliding rod 312 and a connecting beam 313, the connecting beam 313 connects the left sliding rod 311 and the right sliding rod 312 into a whole to form the unlocking rod 310, an unlocking wedge 311-1, a sliding block 311-2, a spring block 311-3, a stroke limiting block 311-4 and a handle block 311-5 are symmetrically arranged on the left sliding rod 311 and the right sliding rod 312, the unlocking wedge 311-1 is accommodated in the accommodating groove 124, and slides outwards to jack up a spring sheet lock 811 locked on the locking surface 121 during unlocking; the slider 311-2 is accommodated in the chute 122, slides in the chute 122 during unlocking, and provides a sliding path for the unlocking part 300; the spring block 311-3 is accommodated in the spring slot 123 and abuts against one end of the return spring 720, and the spring block 311-3 is driven by the unlocking part 300 to compress the return spring 720 during unlocking; the stroke limiting block 311-4 is accommodated in the stroke limiting groove 211 to limit the sliding stroke of the unlocking part 300; the handle block 311-5 is provided with a through hole and is processed with the handle 320 into a whole; the handle 320 is made of rubber materials and is provided with a pull arm 321 and a hand-held surface 322, one end of the pull arm 321 and the handle block 311-5 are processed into a whole, the rubber materials of the handle 320 are poured into the outer surface of the handle block 311-5 and the through hole on the handle block 311-5, the pull arm 321 and the handle block 311-5 can be firmly integrated into a whole, and the unlocking rod 310 and the handle 320 form an integrated part to form the unlocking part 300; the handheld surface 322 is arranged at the other end of the pull arm 321, provides external tension for the unlocking part 300 to pull the unlocking part 300 to unlock the optical module, is provided with a handheld protrusion 324 and a LOGO protrusion 323, the handheld protrusion 324 provides friction resistance to prevent slipping when fingers pull the handheld surface 322, and the LOGO protrusion 323 is used for marking a trademark of the optical module.

Referring to fig. 13 and 14, the adapter 400 is accommodated and fixed in a complete installation slot formed by assembling a part of the installation slot 130 and a part of the installation slot 220, and is provided with an optical connector port 410, a fiber jumper port 420 and a latch arm hook 421, wherein the optical connector port 410 is used for plugging an optical connector 630, the fiber jumper port 420 is used for plugging an MPO fiber jumper connector 900, and the latch arm hook 421 is used for locking or unlocking the MPO fiber jumper connector 900.

Referring to fig. 15, 16 and 19, the coaxial connector 500 includes a holder 510 and a positioning pin 520, the holder 510 includes a mounting hole 511, a stopper surface 512 and an optical connector surface 513, the positioning pin 520 is clamped in the mounting hole 511 and inserted through the optical connector 630, when the MPO optical fiber jumper connector 900 is inserted into the adapter 400, the positioning pin is inserted into the positioning hole of the MPO optical fiber jumper connector 900, so that the optical connector 630 and the MPO optical fiber jumper connector 900 are aligned well for optical signal transmission, the stopper surface 512 abuts against the stopper 140, and the optical connector surface 513 abuts against the optical connector holder 631 of the optical connector 630, so that the coaxial connector 500, the optical connector 630 and the adapter 400 are together fixed in the optical module cavity.

As shown in fig. 6 to 9, the first accommodating spaces 120 formed on two sides of one end of the bottom case 100 are symmetrical, and correspondingly, the second accommodating spaces 210 formed on two sides of one end of the upper case 200 are also symmetrical, and the first accommodating spaces 120 and the second accommodating spaces 210 cooperate to form symmetrical accommodating spaces for accommodating the left sliding rod 311 and the right sliding rod 312.

As shown in fig. 10 to 12, the main bodies of the left sliding rod 311 and the right sliding rod 312 are flat strips, and the unlocking wedge 311-1 is disposed on an end surface of one end of the main body, corresponding to the accommodating groove 124; the handle block 311-5 is arranged on the end surface of the other end of the main body and is processed into a whole with the pull arm 321; the sliding block 311-2 is arranged at the lower side of the main body and corresponds to the sliding groove 122; the spring block 311-3 is disposed at the inner side of the body corresponding to the spring groove 123, and the stroke limiting block 311-4 is disposed at the upper side of the body corresponding to the stroke limiting groove 211.

Referring to fig. 6, the bottom case 100 is provided with a positioning post 161, a lower positioning surface 162, a label slot 172 and an identification protrusion 171, wherein the positioning post 161 cooperates with a positioning slot 621 of the functional circuit board 620 to position the functional circuit board 620; the label slots 172 are symmetrically arranged on two side surfaces of the bottom case 100 and used for sticking label descriptions; the mark protrusion 171 is disposed on the inner bottom surface of the cavity of the bottom case 100 for explaining the date of manufacture and LOGO (pattern) of the optical module.

Referring to fig. 8 and 9, the upper case 200 has an upper positioning surface 230 and a label slot 240, and the upper positioning surface 230 and the lower positioning surface 162 cooperate to fix the functional circuit board 620; the label slot 240 is a groove provided on the outer surface of the upper case 200 for attaching a label guide.

As shown in fig. 20, the heat sink 812 is fastened to the metal cage 810 by the latch 813, and is tightly attached to the heat dissipation surface 150 in the bottom chassis 100, so that heat generated during the operation of the optical module is conducted to the heat sink 812 and dissipated to the air, thereby protecting the optical module from normal operation.

With reference to fig. 3 and fig. 20, the following describes the operation, unlocking and recovering processes of an embodiment of the high-speed optical module housing structure according to the present invention. The high-speed optical module is inserted into the metal cage 810 shown in fig. 20, and the locking surface 121 on the side surface of the bottom case 100 is locked by the elastic sheet lock 811 on the metal cage 810, so that the high-speed optical module is locked in the metal cage 810, at this time, the functional circuit board 620 is connected with the host device, and then the MPO optical fiber jumper connector 900 is inserted and locked in the adapter 400 to be butted with the optical connector 630, so that the high-speed optical module starts to work.

When the high-speed and high-speed optical module needs to work, a pulling force is applied to the handheld surface 322 to pull the unlocking part 300, the unlocking part 300 compresses the reset spring 720 to slide outwards, the unlocking wedge 311-1 is driven to slide outwards, the unlocking wedge 311-1 jacks up the elastic sheet lock catch 811 locked on the locking surface 121 to separate from the locking surface 121, so that the optical module is unlocked, meanwhile, the stroke limiting block 311-4 slides to one end of the stroke limiting groove 211 in the stroke limiting groove 211 and stops sliding, the unlocking part 300 stops sliding relative to the optical module, the unlocking part 300 is pulled outwards at the moment, the optical module drives the whole optical module to exit the metal cage 810, and therefore the actions of unlocking the optical module and exiting the metal cage 810 are completed.

After the optical module is unlocked and pulled out of the metal cage 810, the external force applied to the handheld surface 322 disappears, the restoring spring 720 in the compressed state in the spring groove 123 starts to release the restoring elastic force due to the external force, and the pushing spring block 311-3 slides backwards to reset by pushing the unlocking part 300.

As shown in fig. 1, 17 and 18, the high-speed optical module housing structure according to the present application is applied to a high-speed optical module, which further includes a dust plug 710 and an optoelectronic unit 600, where the optoelectronic unit 600 includes: the optoelectronic device 610, the functional circuit board 620, the optical connector 630 and the optical ribbon fiber 640, wherein the functional circuit board 620 is provided with a positioning groove 621, and the positioning groove 621 is matched with the positioning column 161 to position the functional circuit board 620 in the optical module cavity; the optoelectronic device 610 is coupled and packaged on the optical device of the functional circuit board 620, and is used for converting an optical signal and an electrical signal; the optical connector 630 is inserted into and fixed to the optical connector port 410 of the adapter 400, and performs optical signal transmission with the MPO optical fiber jumper connector 900; the optical ribbon fiber 640 connects the optoelectronic device 610 and the optical connector 630 for optical signal transmission, and the dust plug 710 is inserted into the MPO optical fiber jumper port 420 of the adapter 400 in the non-operating state, so as to protect the optical connector 630 in the non-operating state of the optical module.

The present invention has been described in terms of the preferred embodiment, and not as a limitation, it is to be understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present application may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (5)

1. A high-rate optical module housing structure, comprising: the optical module comprises a bottom shell, an upper shell, an unlocking part, an adapter and a coaxial device, wherein the bottom shell and the upper shell are assembled to form an optical module cavity for accommodating the adapter, the coaxial device and the photoelectric part, the unlocking part can be slidably arranged on the optical module and can unlock the optical module and withdraw from a host device when the unlocking part is pulled, the adapter is fixedly arranged in the optical module cavity and is used for inserting and fixing an optical connector and inserting and locking an MPO optical fiber jumper connector, the coaxial device is inserted in the optical connector and is used for coaxially aligning the optical connector and the MPO optical fiber jumper connector, and the optical module is characterized in that,

the bottom shell is provided with a heat conduction platform inside the shell, a heat dissipation surface on the bottom surface outside the shell, a first accommodating space corresponding to the unlocking part on one side surface of the shell, the heat conduction platform conducts heat generated in the work of the photoelectric part to the heat dissipation surface, the heat is dissipated to the air through a radiator tightly attached to the heat dissipation surface, the first accommodating space is provided with a locking surface, a sliding groove, a spring groove and an accommodating groove, the locking surface is used for being matched with a spring plate lock catch on a metal cage in a host device to lock the optical module in the metal cage, the sliding groove is used for providing a sliding route of the unlocking part, the spring groove is used for accommodating a reset spring to provide reset force of the unlocking part, an opening of the accommodating groove is arranged on the locking surface, the bottom shell is further provided with a stop block and a part of installing grooves, and the stop block is used for clamping the coaxial device, the part mounting groove is used for mounting the adapter;

the side face of one end of the upper shell is provided with a second accommodating space corresponding to the first accommodating space, the accommodating space formed by matching the first accommodating space with the second accommodating space accommodates the unlocking part, the unlocking part slides in the accommodating space to unlock the optical module, the second accommodating space is provided with a stroke limiting groove for limiting the stroke of the unlocking part, one end of the upper shell is also provided with a partial mounting groove, and the partial mounting groove of the upper shell is matched with the partial mounting groove of the bottom shell to form a complete mounting groove for accommodating and fixing the adapter;

the unlocking part is provided with an unlocking rod and a handle, the unlocking rod is made of metal materials and is provided with a left sliding rod, a right sliding rod and a connecting cross beam, the left sliding rod and the right sliding rod are symmetrically arranged at two sides of the connecting cross beam, an unlocking wedge, a sliding block, a spring block, a stroke limiting block and a handle block are symmetrically arranged on the left sliding rod and the right sliding rod, the unlocking wedge is accommodated in the accommodating groove and slides outwards to jack the elastic sheet lock catch when unlocking, the sliding block is accommodated in the sliding groove and slides in the sliding groove when unlocking, a sliding route is provided for the unlocking part, the spring block is accommodated in the spring groove and is abutted against one end of the reset spring, the stroke limiting block is accommodated in the stroke limiting groove and is matched with the stroke limiting groove to limit the sliding stroke of the unlocking part when unlocking is carried out, and the handle block is provided with a through hole, the handle is made of rubber materials and is provided with a handheld surface and two symmetrical pull arms, one end of each pull arm is integrally processed with the handle block, so that the unlocking rod and the handle form an integral component to form the unlocking part, the handheld surface is arranged at the other end of each pull arm to provide external tension to pull the unlocking part to unlock the optical module, and the handheld surface is provided with a handheld protrusion and an LOGO protrusion;

the adapter is accommodated in the complete mounting groove and is provided with an optical connector port, an MPO optical fiber jumper port and an elastic arm hook, the optical connector port is used for being plugged with the optical connector, the MPO optical fiber jumper port is used for being plugged with the MPO optical fiber jumper connector, and the elastic arm hook is used for locking the MPO optical fiber jumper connector in the adapter;

the coaxial device is provided with a base and a positioning pin, the base is provided with a mounting hole, a stop block surface and an optical connector surface, the positioning pin is clamped in the mounting hole and inserted into the optical connector, and the MPO optical fiber jumper connector is inserted into the positioning hole of the MPO optical fiber jumper connector when inserted into the adapter, so that the optical connector and the MPO optical fiber jumper connector are well aligned to carry out optical signal transmission, the stop block surface abuts against the stop block, and the optical connector surface abuts against the optical connector base of the optical connector.

2. The housing structure of a high-speed optical module according to claim 1, wherein the bottom shell has the first receiving space symmetrically disposed on two sides of one end, and correspondingly, the top shell has the second receiving space symmetrically disposed on two sides of one end, and the first receiving space and the second receiving space cooperate to form a symmetrical receiving space for receiving the left sliding rod and the right sliding rod.

3. The housing structure of a high-speed optical module according to claim 1, wherein the bodies of the left and right sliding rods are flat strips; the unlocking wedge body is arranged on the end face of one end of the main body and corresponds to the containing groove; the handle block is arranged at the other end of the main body and corresponds to the pull arm; the sliding block is arranged on the lower side of the main body and corresponds to the sliding groove; the stroke limiting block is arranged on the upper side of the main body and corresponds to the stroke limiting groove; the spring block is arranged on the inner side of the main body and corresponds to the spring groove.

4. The housing structure of a high-speed optical module according to claim 1, wherein the bottom housing further has a positioning post, a lower positioning surface, a bottom housing label slot and an identification protrusion, and the positioning post and the lower positioning surface are disposed in the cavity of the bottom housing for fixing the functional circuit board; the bottom shell label grooves are symmetrically arranged on two side surfaces of the bottom shell and used for sticking label descriptions; the identification bulge is arranged on the inner bottom surface of the cavity of the bottom shell and used for identifying and explaining the production date of the optical module and the LOGO of a company.

5. The housing structure of a high-speed optical module according to claim 1, wherein the upper housing further has an upper positioning surface and a label slot, and the upper positioning surface cooperates with a lower positioning surface in the bottom housing to press and fix the functional circuit board; the label slot is a groove arranged on the outer surface of the upper shell and used for sticking label instructions.

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