CN111781686A - QSFP-DD optical module shell structure - Google Patents

Abstract

The application provides a QSFP-DD optical module shell structure, includes: the optical module comprises a bottom shell, an upper shell, an unlocking part and an adapter, wherein the bottom shell and the upper shell are assembled to form an optical module cavity for accommodating the fixed adapter and the photoelectric part, and the unlocking part can be slidably mounted on the optical module and can unlock the optical module and withdraw from the host device when the unlocking part is pulled. Based on the QSFP-DD optical module provided by the application, under the condition of smaller occupied space, the adapter 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, stable and smooth; the bottom shell, the upper shell, the unlocking part and the adapter are convenient and quick to mount and dismount, and can be repeatedly used, so that the cost is saved.

Description

QSFP-DD optical module shell structure

Technical Field

The invention relates to the technical field of optical communication, in particular to a QSFP-DD 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 in a small package with high integration. For example, QSFP (Small Form-factor Pluggable optical module), QSFP +, CFP/CFP2/CFP4, QSFP28, QSFP-DD and the like are all optical modules with Small-sized Pluggable high-density interfaces, at present, a QSFP28 optical module has four electrical channels, the operating rate of each channel is 10Gbps or 25Gbps, 40G and 100G ethernet applications are supported, the number of the channels of a brand-new product fp-DD (Pluggable dual density) optical module is increased to eight, the operating rate of each channel is up to 25Gbps through NRZ modulation or the operating rate of each channel is up to 50 ps through PAM4 modulation, and thus 200Gbps or 400 gbbps is supported. The QSFP-DD optical module can meet or exceed the requirements of high-speed enterprise, telecommunication and data network equipment on the density of Ethernet, optical fiber channels and InfiniBand ports, thereby meeting the continuously improved requirements on 200Gbps and 400Gbps network solutions. Therefore, a QSFP-DD optical module shell structure is needed, so that optoelectronic devices, functional circuit boards, optical connectors and the like of an optical module are stably installed in a cavity of the optical module, and the optical module is combined with optical fiber communication equipment for use; the optical module is smoothly unlocked and withdrawn from the host device by pulling the unlocking component in the optical module.

Disclosure of Invention

The embodiment of the invention aims to provide a QSFP-DD optical module shell structure, which enables an optoelectronic device, a functional circuit board, an optical connector and the like in an optical module to be stably fixed in an optical module cavity, and enables the optical module to be smoothly unlocked and withdrawn from a host device by pulling an unlocking component in the optical module.

In order to achieve the above object, an embodiment of the present invention provides a QSFP-DD optical module housing structure, including: a bottom shell, an upper shell, an unlocking part and an adapter, wherein an optical module cavity formed by assembling the bottom shell and the upper shell is used for accommodating the adapter and the photoelectric part, the unlocking part can be slidably arranged on the optical module and can unlock the optical module and withdraw from the host device when the unlocking part is pulled,

the optical module unlocking device comprises a bottom shell, a locking mechanism, a sliding groove, a spring groove and a containing groove, wherein two symmetrical first containing spaces are arranged on two side faces of one end of the bottom shell, the first containing spaces are provided with the locking surface, the sliding groove, the spring groove and the containing groove, the locking surface is used for being matched with an elastic sheet lock catch on a metal cage in a host device to lock the optical module, the sliding groove is used for providing a sliding route of the unlocking mechanism, the spring groove is used for containing a reset spring to provide reset force of the unlocking mechanism, and an opening of the containing groove is; the bottom shell is further provided with a stop surface, a guide groove and a part of mounting grooves, the stop surface is a vertical surface arranged at one end of the bottom shell, is matched with a stop sheet in the metal cage and is used for positioning the depth of the optical module inserted into the metal cage, an opening of the guide groove is formed in the stop surface and is matched with the guide sheet on the metal cage to guide the optical module to be inserted into the metal cage, and the part of mounting grooves are formed in the other end of the bottom shell and are used for mounting the adapter;

the upper shell is provided with symmetrical second accommodating spaces on two side faces of one end, the second accommodating spaces are matched with the first accommodating spaces to form two symmetrical accommodating spaces, the accommodating spaces accommodate the unlocking parts, the unlocking parts slide in the accommodating spaces to unlock the optical module, the second accommodating spaces are provided with a limit groove and a spring cover, the limit groove limits the stroke of the unlocking parts, the spring cover and the spring groove are matched to encapsulate the reset spring, one end of the upper shell is also provided with a partial mounting groove, and the partial mounting groove of the bottom shell is matched with the partial mounting groove of the upper 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 cross beam and two sliding rods, the sliding rods are symmetrically arranged on two sides of the cross beam and are provided with unlocking wedges, sliding blocks, spring blocks, stroke limiting blocks and handle blocks, the unlocking wedges are accommodated in the accommodating grooves, when unlocking, the locking mechanism slides outwards to jack up the elastic sheet lock catch on the locking surface to unlock the optical module, the sliding block is accommodated in the sliding groove and slides in the sliding groove during unlocking to provide a sliding route for the sliding rod, the spring block is accommodated in the spring groove and abuts against one end of the reset spring, the stroke limiting block is accommodated in the stroke limiting groove, the sliding stroke of the sliding rod is limited under the stroke limitation of the stroke limiting groove during unlocking, and the handle block is provided with a through hole and is processed into a whole with the handle; 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 and the handle block are processed into a whole, 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 and provides 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 and an MPO optical Fiber jumper port, the optical connector port is provided with a spring plate hook and a stop block, the spring plate hook is matched with the stop block and is used for locking and locking an optical connector in the photoelectric part, the MPO optical Fiber jumper port is provided with a spring arm hook, and the spring arm hook is used for locking or unlocking an MPO (Multi-Fiber Push On) optical Fiber jumper connector.

In the QSFP-DD optical module housing structure, the main body of the sliding rod is in a flat strip shape, and the unlocking wedge is arranged on an end face of one end of the main body and corresponds to the accommodating groove; the handle block is arranged on the end face of 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 QSFP-DD optical module housing structure, the bottom shell is further provided with a positioning column, a lower positioning surface, a bottom shell label groove and an identification protrusion, the positioning column is matched with a positioning groove in a functional circuit board of the photoelectric part to clamp and position the functional circuit board, and the bottom shell label groove is symmetrically arranged on two side surfaces of the bottom shell and used for adhering a label description; 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; the upper shell is further provided with an upper positioning face and an upper shell label groove, the upper positioning face is matched with the lower positioning face in the bottom shell to be clamped and fixed with the functional circuit board, and the upper shell label groove is a groove formed in the outer surface of the upper shell and used for adhering label instructions.

The QSFP-DD optical module shell structure further comprises a protective cover and a dustproof plug, wherein the dustproof plug is arranged at the position of the optoelectronic device pasted in the functional circuit board and used for protecting the optoelectronic device, and the dustproof plug is inserted in an MPO optical fiber jumper port of the adapter and used for protecting the optical joint when the optical module is in a non-working state.

Based on the QSFP-DD optical module shell structure provided by the application, the adapter and the photoelectric part can be stably installed in the optical module cavity under the condition of smaller occupied space; the unlocking part can enable the optical module to be locked and unlocked in the host device simply, stably and smoothly; the bottom shell, the upper shell, the unlocking part, the adapter and the reset spring are convenient and quick to mount and dismount, and can be repeatedly used, so that the cost is saved.

Drawings

FIG. 1 is an exploded view of a QSFP-DD optical module housing structure according to an embodiment of the present invention;

FIG. 2 is an exploded view of a QSFP-DD optical module housing structure according to an embodiment of the present invention;

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

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

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

FIG. 6 is a fourth schematic assembly diagram (with the upper casing removed) of an embodiment of a QSFP-DD optical module housing structure according to the present application;

FIG. 7 is a first schematic diagram of a bottom case of a QSFP-DD optical module housing structure according to the present application;

FIG. 8 is a second schematic diagram of a bottom shell of a QSFP-DD optical module housing structure according to the present application;

FIG. 9 is a first schematic diagram of an upper case of a QSFP-DD optical module case structure according to the present application;

FIG. 10 is a second schematic diagram of an upper case of a QSFP-DD optical module case structure according to the present application;

FIG. 11 is a schematic diagram of an unlocking portion of a QSFP-DD optical module housing structure according to the present application;

FIG. 12 is a schematic view of an unlocking lever of a QSFP-DD optical module housing structure according to the present application;

FIG. 13 is a schematic diagram of a handle of a QSFP-DD optical module housing structure according to the present application;

FIG. 14 is a schematic diagram of an adapter of a QSFP-DD optical module housing structure according to the present application;

FIG. 15 is a first schematic diagram of an optoelectronic part housed and fixed inside a QSFP-DD optical module housing structure according to the present application;

FIG. 16 is a second schematic diagram of the optical and electrical parts housed and fixed inside the casing structure of the QSFP-DD optical module according to the present application (equipped with an adapter);

fig. 17 is a first schematic diagram of a metal cage in a host device to which a QSFP-DD optical module housing structure embodiment of the present application is mated; (with radiating fin)

Fig. 18 is a schematic diagram of a metal cage matched with a QSFP-DD optical module housing structure embodiment of the present application:

FIG. 19 is a third schematic diagram (including electrical connectors) of a metal cage matched with an embodiment of a QSFP-DD optical module housing structure according to the present application

FIG. 20 is a cross-sectional view of an electrical connector in a metal cage mated with an embodiment of a QSFP-DD optical module housing structure according to the present application;

FIG. 21 is a first schematic diagram of an MPO optical fiber jumper connector to which an embodiment of a QSFP-DD optical module housing structure of the present application is mated;

fig. 22 is a second schematic diagram (inside the mortise lock adapter) of an MPO optical fiber jumper connector mated with an embodiment of the QSFP-DD optical module housing structure of the present application.

The reference numerals are explained below:

100 bottom shell

110 first accommodation space 111 locking surface 112 sliding groove 113 spring groove 114 accommodating groove 120 stop surface

130 guide groove 140 partial mounting groove 150 bottom positioning surface 170 bottom shell label groove 180 identification projection of positioning column 160

200 upper case

210 second accommodation space 211 distance limiting groove 212 spring cover 220 part mounting groove 230 upper positioning surface

240 upper case label slot

300 unlocking part

310 unlocking rod 311 sliding rod 311-1 unlocking wedge 311-2 sliding block 311-3 spring block 311-4 stroke limiting block

311-5 handle block 312 beam 320 handle 321 handle arm 322 handle 323 handle protrusion 324LOGO protrusion

400 adapter

410 optical connector port 411 spring plate hook 412 dog 420MPO optical fiber jumper port 421 spring arm hook

500 photoelectric part

510 functional circuit board 511 positioning slot 512 golden finger 513 golden finger 520 optoelectronic device 530 optical ribbon fiber

540 optical connector 541 stop surface 542 hook surface

600 reset spring

700 screw

800 dustproof plug 810 protective cover

900 metal cage 910 spring catch 920 stop plate 930 guide plate 940 heat sink 950 press lock

1000 electric connector 1001 electric connection spring sheet 1002 electric connection spring sheet

1100MPO optical fiber jumper connector 1110 clamping surface 1120 locking ring

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 QSFP-DD optical module housing structure of the present application, fig. 3 and 4 are assembled effect views of an embodiment of a QSFP-DD optical module housing structure of the present application, fig. 5 is an unlocked state schematic diagram of an embodiment of a QSFP-DD optical module housing structure of the present application, fig. 6 is a schematic diagram of a QSFP-DD optical module housing structure of the present application with an upper housing removed, fig. 7 to 14 are schematic diagrams of components in an embodiment of a QSFP-DD optical module housing structure of the present application, fig. 15 and 16 are schematic diagrams of a functional circuit board, an optoelectronic device, an optical fiber ribbon, an optical connector and an adapter which need to be installed and fixed inside an embodiment of a QSFP-DD optical module housing structure of the present application, fig. 17 and 18 are schematic diagrams of a metal cage which is matched with an embodiment of a QSFP-DD optical module housing structure of the present application, fig. 19 is a schematic diagram of an electrical connector mated with an embodiment of a QSFP-DD optical module housing structure of the present application in a metal cage, fig. 20 is a cross-sectional view of an electrical connector 1000, fig. 21 is a schematic diagram of an MPO optical fiber jumper connector 1100 mated with an embodiment of a QSFP-DD optical module housing structure of the present application, and fig. 22 is a schematic diagram of an MPO optical fiber jumper connector 1100 plugged into an adapter 400. As shown in the above figures, the QSFP-DD optical module housing structure mainly includes a bottom shell 100, an upper shell 200, an unlocking portion 300, and an adapter 400.

As shown in fig. 1 and 2, the bottom case 100 and the top case 200 are assembled by using screws 700 to form a cavity for accommodating the optical module adapter 400 and the optoelectronic component 500.

Referring to fig. 7 and 8, the bottom chassis 100 is provided with a first accommodating space 110 corresponding to the sliding rod 311 on two side surfaces of one end, the first accommodating space 110 has a locking surface 111, a sliding groove 112, a spring groove 113 and an accommodating groove 114, the locking surface 111 cooperates with a spring lock 910 on the metal cage 900 to lock the optical module, the sliding groove 112 provides a sliding path of the sliding rod 311, the spring groove 113 is used for accommodating a return spring 600 to provide a return force of the sliding rod 311, and the accommodating groove 114 is used for accommodating an unlocking wedge 311-1; bottom shell 100 is further provided with a stop surface 120, a guide groove 130 and a part of mounting grooves 140, stop surface 120 is a vertical surface arranged at one end of bottom shell 100, when an optical module is inserted into metal cage 900, stop surface 120 abuts against stop sheet 920 on metal cage 900, the optical module stops being inserted continuously, at this time, golden fingers 512 and 513 of functional circuit board 510 respectively contact with electric connection spring sheets 1002 and 1001 in electric connector 1000 to transmit electric signals, guide groove 130 is matched with guide sheet 930 on metal cage 900 to ensure good contact between golden fingers 512 and 513 and electric connection spring sheets 1002 and 1001, and the golden fingers do not deviate, and part of mounting grooves 140 are arranged at the other end of bottom shell 100 and used for mounting adapter 400.

Referring to fig. 9, the upper case 200 is provided with a second accommodating space 210 corresponding to the first accommodating space 110 at two side surfaces of one end, the accommodating space formed by the first accommodating space 110 and the second accommodating space 210 accommodates the sliding rod 311, the sliding rod 311 slides in the accommodating space to unlock the optical module, the second accommodating space 210 is provided with a limit slot 211 and a spring cover 212, the limit slot 211 cooperates with a limit block 311-4 on the sliding rod 311 to limit the stroke of the sliding rod 311, a cavity formed by the spring cover 212 cooperating with the spring groove 113 encloses the return spring 600, one end of the upper case 200 is further provided with a partial mounting groove 220, and the partial mounting groove 220 cooperates with the partial mounting groove 140 to form a complete mounting groove for accommodating and fixing the adapter 400.

Referring to fig. 11 to 13, 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 cross beam 312 and two sliding rods 311, the two sliding rods 311 are symmetrically arranged on two sides of the cross beam 312, the sliding rods 311 are provided with 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, the unlocking wedge 311-1 is accommodated in the accommodating slot 114, and slides outwards to jack up a spring lock 910 locked on the locking surface 111 during unlocking movement; the sliding block 311-2 is accommodated in the sliding groove 112, and slides in the sliding groove 112 during unlocking movement, so as to provide a sliding path for the sliding rod 311; the spring block 311-3 is accommodated in the spring slot 113 and abuts against one end of the return spring 600, the spring block 311-3 is driven by the sliding rod 311 to compress the return spring 600 during unlocking movement, and after unlocking is completed, the spring block 311-3 is pushed by the return spring 600 to reset, and the corresponding spring block 311-3 also drives the unlocking rod 310 to reset; the stroke limiting block 311-4 is accommodated in the stroke limiting groove 211 to limit the sliding stroke of the sliding rod 311; the handle block 311-5 has a through hole; the handle 320 is made of rubber materials and is provided with a handheld surface 322 and two pull arms 321, one end of each pull arm 321 and the handle block 311-5 are processed into a whole, the material of the handle 320 is poured into a through hole in the handle block 311-5, when the handle 320 is pulled outwards, the handle 320 is firmly connected with the handle block 311-5 into a whole and is not easy to separate, and therefore the unlocking rod 310 and the handle 320 form an integral part to form the unlocking part 300; the handheld face 322 sets up at the other end of single arm-drag 321, provides outside pulling force to the pulling is separated lock portion 300 and is carried out the optical module unblock, and is equipped with handheld protruding 323 and the protruding 324 of LOGO, and handheld protruding 323 increases the friction of finger and handheld face 322, is difficult to skid when pulling handle 320, and the LOGO trade mark of the protruding 324 sign company of LOGO.

Referring to fig. 14, the adapter 400 is accommodated in a complete installation slot formed by matching a part of the installation slot 140 and a part of the installation slot 220, and is provided with an optical connector port 410, a spring plate hook 411, a stopper 412, an MPO optical fiber jumper port 420 and a spring arm hook 421, the optical connector port 410 is used for locking the optical connector 540, because the spring plate hook 411 has elasticity, after the optical connector 540 is smoothly inserted into the optical connector port 410, the spring plate hook 411 returns to an original state, the spring plate hook 411 locks a hook surface 542 of the optical connector 540, the stopper 412 of the adapter 400 blocks a stopper surface 541 of the optical connector 540, so that the optical connector 540 is locked to the optical connector port 410 of the adapter 400, the MPO optical fiber jumper port 420 is used for plugging or locking the MPO optical fiber jumper connector 1100, the spring arm hook 421 is used for locking or unlocking the MPO optical fiber jumper connector 1100, the MPO optical fiber jumper connector 1100 is inserted into the MPO optical fiber jumper, after the lock ring 1120 rebounds on the elastic arm hook 421, the MPO optical fiber jumper connector 1100 is locked in the adapter 400, and optical signal transmission is performed on the optical connector 540.

Referring to fig. 15 and 16 in combination, the optoelectronic component 500 is mounted and fixed in an optical module cavity formed by the upper case 100 and the bottom case 200 in a mounting and matching manner, and includes a functional circuit board 510, an optoelectronic device 520, an optical fiber ribbon 530, and an optical connector 540, where the functional circuit board 510 is provided with gold fingers 512 and 513.

As shown in fig. 11 and 12, the main body of the sliding rod 311 is a flat strip, and the unlocking wedge 311-1 is disposed on an end surface of the main body and accommodated in the accommodating groove 114; the handle block 311-5 is arranged on the end surface of the other end of the main body and is integrated with the pull arm 321; the sliding block 311-2 is arranged at the lower side of the main body, is accommodated in the sliding groove 112, and slides in the sliding groove 112 when unlocked; the stroke limiting block 311-4 is arranged on the upper side of the main body and is accommodated in the stroke limiting groove 211; the spring block 311-3 is disposed inside the main body, is received in the spring groove 113, and abuts against an end surface of the return spring 600.

As shown in fig. 7 to 10 and 15, the bottom case 100 further includes a positioning column 150, a lower positioning surface 160, a bottom case label slot 170, and an identification protrusion 180, the functional circuit board 510 includes a positioning slot 511, the positioning column 150 is engaged with the positioning slot 510 for fixing the functional circuit board 510, the bottom case label slot 170 is symmetrically disposed on two side surfaces of the bottom case 100 for adhering a label description, the identification protrusion 180 is disposed on an inner bottom surface of a cavity of the bottom case 100 for identifying a production date and a company LOGO of the optical module, the upper case 200 further includes an upper positioning surface 230 and an upper case label slot 240, the upper positioning surface 230 and the lower positioning surface 160 are engaged with the functional circuit board 510, and the upper case label slot 240 is a groove disposed on an outer surface of the upper case 200 for adhering a label description.

With reference to fig. 3 to fig. 20, the following describes the process of locking and unlocking the QSFP-DD optical module housing structure according to the present invention. Inserting the QSFP-DD optical module into the metal cage 900 of the host device shown in fig. 18, sliding the QSFP-DD optical module in the metal cage 900 under the matching of the guide groove 130 and the guide piece 930, stopping the sliding of the QSFP-DD optical module in the metal cage 900 when the stop surface 120 abuts against the stop piece 920, at this time, the golden fingers 512 and 513 respectively contact with the electric connection spring plates 1002 and 1001, the spring plate lock catches 910 lock catches on the locking surface 111, the optical module is locked in the metal cage 900, the functional circuit board 510 is electrically connected with a circuit board in the host device to perform electric signal transmission, and then inserting and locking the MPO optical fiber jumper connector 1100 into the MPO optical fiber jumper port 420, so that the QSFP-DD optical module enters a working state. The heat generated by the QSFP-DD optical module in the working process is dissipated out through the radiator 940 locked on the metal cage 900 by the press lock 950, so that the optical module is protected from normal working.

When the QSFP-DD optical module is to stop working, the lock ring 1120 is pulled by hand, after the lock ring 1120 is separated from the elastic arm hook 421 by overcoming the elastic force, the elastic arm hook 421 is also separated from the card fine dried surface 1110 under the action of tensile force, and at the moment, the MPO optical fiber jumper connector 1100 is smoothly unlocked and exits from the MPO optical fiber jumper port 420; then pull the handle 320 hard, pull the unlocking part 300, the unlocking part 300 compresses the return spring 600 to slide outward, drive the unlocking wedge 311-1 to slide outward, jack up the spring lock 910 locked on the locking surface 111 to separate from the locking surface 111, and further unlock the optical module, 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, at this time, pull the unlocking part 300 outward, the stroke limiting block 311-4 will drive the whole optical module to be pulled out from the metal cage 900 smoothly, and separate from the working state.

After the optical module is unlocked and pulled out of the metal cage 900, the external force applied to the handle 320 disappears, the return spring 600 compressed in the spring groove 133 starts to release the restoring elastic force due to the external force, and the spring block 311-3 is pushed to slide backwards, so that the unlocking part 300 is pushed to reset.

As shown in fig. 1 and fig. 15, a QSFP-DD optical module housing structure according to the present application is further provided with a dust plug 800 and a protective cover 810, where the dust plug 800 is inserted into the optical fiber jumper port 420 of the adapter 400 to protect the optical connector 540 when the optical module is in a non-operating state, and the protective cover 810 is attached to the position of the optoelectronic device 520 to protect the optoelectronic device 520.

The foregoing is considered as illustrative and exemplary only and is not intended to be limiting of the invention, and 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 metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.

Claims (4)

1. A QSFP-DD optical module housing structure, comprising: a bottom shell, an upper shell, an unlocking part and an adapter, wherein the bottom shell and the upper shell are assembled to form an optical module cavity for accommodating the adapter and the photoelectric part, the unlocking part can be slidably arranged on the optical module and can unlock the optical module and withdraw from the host device when the unlocking part is pulled,

the optical module unlocking device comprises a bottom shell, a locking mechanism, a sliding groove, a spring groove and a containing groove, wherein two symmetrical first containing spaces are arranged on two side faces of one end of the bottom shell, the first containing spaces are provided with the locking surface, the sliding groove, the spring groove and the containing groove, the locking surface is used for being matched with an elastic sheet lock catch on a metal cage in a host device to lock the optical module, the sliding groove is used for providing a sliding route of the unlocking mechanism, the spring groove is used for containing a reset spring to provide reset force of the unlocking mechanism, and an opening of the containing groove is; the bottom shell is further provided with a stop surface, a guide groove and a part of mounting grooves, the stop surface is a vertical surface arranged at one end of the bottom shell, is matched with a stop sheet in the metal cage and is used for positioning the depth of the optical module inserted into the metal cage, an opening of the guide groove is formed in the stop surface and is matched with the guide sheet on the metal cage to guide the optical module to be inserted into the metal cage, and the part of mounting grooves are formed in the other end of the bottom shell and are used for mounting the adapter;

the upper shell is provided with symmetrical second accommodating spaces on two side faces of one end, the second accommodating spaces are matched with the first accommodating spaces to form two symmetrical accommodating spaces, the accommodating spaces accommodate the unlocking parts, the unlocking parts slide in the accommodating spaces to unlock the optical module, the second accommodating spaces are provided with a limit groove and a spring cover, the limit groove limits the stroke of the unlocking parts, the spring cover and the spring groove are matched to encapsulate the reset spring, one end of the upper shell is also provided with a partial mounting groove, and the partial mounting groove of the bottom shell is matched with the partial mounting groove of the upper 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 cross beam and two sliding rods, the sliding rods are symmetrically arranged on two sides of the cross beam and are provided with unlocking wedges, sliding blocks, spring blocks, stroke limiting blocks and handle blocks, the unlocking wedges are accommodated in the accommodating grooves, when unlocking, the locking mechanism slides outwards to jack up the elastic sheet lock catch on the locking surface to unlock the optical module, the sliding block is accommodated in the sliding groove and slides in the sliding groove during unlocking to provide a sliding route for the sliding rod, the spring block is accommodated in the spring groove and abuts against one end of the reset spring, the stroke limiting block is accommodated in the stroke limiting groove, the sliding stroke of the sliding rod is limited under the stroke limitation of the stroke limiting groove during unlocking, and the handle block is provided with a through hole and is processed into a whole with the handle; 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 and the handle block are processed into a whole, 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 and provides 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 and an MPO optical fiber jumper wire port, the optical connector port is provided with an elastic plate hook and a stop block, the elastic plate hook is matched with the stop block and is used for locking and fixing an optical connector in the photoelectric part, the MPO optical fiber jumper wire port is provided with an elastic arm hook, and the elastic arm hook is used for locking or unlocking the MPO optical fiber jumper wire connector.

2. The QSFP-DD optical module housing structure of claim 1, wherein the slide bar has a flat bar-shaped main body, and the unlocking wedge is disposed on an end face of the main body, corresponding to the receiving groove; the handle block is arranged on the end face of 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.

3. The QSFP-DD optical module housing structure of claim 1,

the bottom shell is also provided with a positioning column, a lower positioning surface, a bottom shell label groove and an identification bulge, the positioning column is matched with a positioning groove in a functional circuit board of the photoelectric part to clamp and position the functional circuit board, and the bottom shell label groove is symmetrically arranged on two side surfaces of the bottom shell and used for adhering a label description; 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;

the upper shell is further provided with an upper positioning face and an upper shell label groove, the upper positioning face is matched with the lower positioning face in the bottom shell to be clamped and fixed with the functional circuit board, and the upper shell label groove is a groove formed in the outer surface of the upper shell and used for adhering label instructions.

4. The QSFP-DD optical module housing structure of claim 1, wherein the QSFP-DD optical module housing structure further comprises a shield and a dust plug, the dust plug is inserted into an MPO optical fiber jumper port of the adaptor to protect the optical connector when the optical module is in a non-operating state, and the passport is attached to a position of the optoelectronic device adhered to the functional circuit board to protect the optoelectronic device.

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