CN212083741U

CN212083741U - QSFP28 optical module

Info

Publication number: CN212083741U
Application number: CN202020964195.2U
Authority: CN
Inventors: 路绪刚
Original assignee: HEBEI HYMAX OPTOELECTRONIC Inc
Current assignee: HEBEI HYMAX OPTOELECTRONIC Inc
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-12-04
Anticipated expiration: 2030-05-28

Abstract

The application discloses QSFP28 optical module includes: the photoelectric part, the adapter, the drain pan, the epitheca and the unlocking part, the drain pan forms the cavity with the epitheca assembly and is used for holding fixed photoelectric part and adapter, photoelectric part is used for optical signal and electric signal interconversion, the adapter is used for inserting solid optical splice and plug-in lock MPO optic fibre jumper connection ware, the unlocking part can install on the optical module slidably to can make the optical module unblock and withdraw from the host computer device when pulling the unlocking part. According to the QSFP28 optical module, under the condition that the occupied space is smaller, the photoelectric part and the adapter can be stably installed in the cavity of the optical module; the unlocking part can enable the optical module to be locked and unlocked in the host device simply, stably and smoothly; the photoelectric part, the bottom shell, the upper shell, the unlocking part and the adapter are convenient and quick to mount and dismount, and the bottom shell, the upper shell, the unlocking part and the adapter can be reused, so that cost is saved.

Description

QSFP28 optical module

Technical Field

The application relates to the technical field of optical communication, in particular to a QSFP28 optical module.

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. Such as XFP, QSFP (Small Form-factor Pluggable optical module), QSFP +, CFP/CFP2/CFP4, QSFP28, etc. are all optical modules with Small-sized Pluggable high-density interfaces, where QSFP28 is suitable for 4 × 25GE access ports, provides four high-band interconnection channels, and each channel has the highest transmission rate and 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 QSFP28 optical module is needed, wherein a photoelectronic device, a functional circuit, an optical connector and the like of the optical module are firmly fixed in a cavity of the optical module, the optical module is combined with optical fiber communication equipment for use, an optical signal of the optical fiber communication equipment is converted into an electric signal through the photoelectronic device, the electric signal is transmitted to a functional circuit board, the electric signal received by the functional circuit board is communicated with a circuit board in a host device, otherwise, the electric signal of the circuit board in the host device is transmitted to the functional circuit board in the optical module, and the electric signal is converted into an optical signal through the photoelectronic device and transmitted to remote optical fiber communication equipment; the optical module is stably locked in the host device through the unlocking component in the optical module, and the optical module is smoothly unlocked and withdrawn from the host device through the unlocking component.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims at providing a QSFP28 optical module, make the photoelectronic device of optical module, function circuit board and optical joint etc. stabilize in the cavity of optical module, photoelectronic device couples in the optical device in the function circuit board, change the signal of telecommunication of function circuit board into the light signal and pass through optical ribbon fiber transmission to optical joint, or change the light signal that optical joint received into signal of telecommunication transmission in function circuit board, the unblock part through the optical module, make the firm lock of optical module in the host computer device, and make the optical module unblock and withdraw from in the host computer device through the unblock part.

In order to achieve the above object, an embodiment of the present invention provides a QSFP28 optical module, including: the photoelectric part, the adapter, the drain pan, the epitheca and the unblock portion, the drain pan forms the cavity with the epitheca assembly and is used for holding fixed photoelectric part and adapter, photoelectric part is used for optical signal and electric signal interconversion, the adapter is used for inserting solid optical splice and mortise lock MPO (Multi-Fiber Push On) optic fibre jumper connector, the unblock portion can be installed On the optical module slidably to can make the optical module unblock and withdraw from the host computer device when pulling the unblock portion.

The photoelectric part is provided with a functional circuit board, a photoelectric device, an optical connector, an optical ribbon fiber and a passport prevention port, the photoelectric device is coupled to the optical device of the functional circuit board to form a photoelectric conversion body, an electric signal of the functional circuit board is converted into an optical signal and transmitted to the optical connector through the optical ribbon fiber, or the optical signal received by the optical connector is converted into an electric signal and transmitted to the functional circuit board, and the passport prevention port is fixedly bonded to the functional circuit board and used for protecting the photoelectric device;

the adapter is provided with an optical connector port, an MPO optical fiber jumper port and a spring arm hook and is used for plugging the optical connector and plugging the MPO optical fiber jumper connector, after the MPO optical fiber jumper connector is inserted into the MPO optical fiber jumper port, the spring arm hook is hooked on a hook on the MPO optical fiber jumper connector, after a lock ring on the MPO optical fiber jumper connector rebounds on the spring arm hook, the MPO optical fiber jumper connector is locked and fixed in the adapter, and the MPO optical fiber jumper connector is in butt joint with the optical connector to transmit optical signals;

the bottom shell is provided with a first accommodating space corresponding to the unlocking part on one side face, a limiting face on the other end, the first accommodating space is provided with a locking face, a sliding groove, a spring groove and an accommodating groove, the locking face is used for being matched with a spring piece 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 formed in the locking face, the limiting face abuts against a limiting plate in the metal cage to prevent the optical module from being excessively inserted into the metal cage, the bottom shell is further provided with a blocking piece and a part of installing grooves, the blocking piece is matched with an optical connector port to clamp the optical connector, and the part of installing grooves is used for installing 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 limit 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, the sliding block slides outwards during unlocking to jack up a spring sheet lock catch in a metal cage, the sliding block is accommodated in the sliding groove and slides in the sliding groove during unlocking to provide a sliding route for the unlocking part, the spring block is accommodated in the spring groove and is abutted against one end of a reset spring, the limit block is accommodated in the limit groove and is matched with the limit groove to limit the sliding stroke of the unlocking part during unlocking, 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 and the corresponding handle block are processed into a whole, 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 and provides external tension to pull the unlocking part to unlock the optical module, and the handheld protrusion and the LOGO protrusion are arranged.

In the QSFP28 optical module, the two side surfaces of the bottom shell at one end are symmetrically provided with the first accommodating space, correspondingly, the two side surfaces of the upper shell at one end are also symmetrically provided with the second accommodating space, and the first accommodating space and the second accommodating space are matched to form a symmetrical accommodating space for accommodating the left slide bar and the right slide bar.

In the QSFP28 optical module, the main bodies of the left slide bar and the right slide bar are flat strip-shaped; 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 QSFP28 optical module, the bottom chassis is further provided with a positioning column, a lower positioning surface, a bottom chassis label slot and an identification protrusion, and the positioning column and the lower positioning surface are arranged in a cavity of the bottom chassis and used for clamping and fixing a 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 QSFP28 optical module, the upper case 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 case 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 QSFP28 optical module, under the condition that the occupied space is smaller, the photoelectric part and the adapter can be stably installed in the cavity of the optical module; the unlocking part can enable the optical module to be locked and unlocked in the host device simply, stably and smoothly; the photoelectric part, the bottom shell, the upper shell, the unlocking part and the adapter are convenient and quick to mount and dismount, and the bottom shell, the upper shell, the unlocking part and the adapter can be reused, so that cost is saved.

Drawings

FIG. 1 is an exploded view of an embodiment of a QSFP28 optical module according to the present invention;

FIG. 2 is an exploded view of an embodiment of a QSFP28 optical module according to the present invention;

FIG. 3 is a first assembly diagram of an embodiment of a QSFP28 optical module according to the present application;

fig. 4 is an assembly diagram of an embodiment of a QSFP28 optical module according to the present application:

FIG. 5 is a third assembly diagram (unlocked state) of an embodiment of a QSFP28 optical module according to the present application;

FIG. 6 is an assembled view (with the upper shell removed) of an embodiment of a QSFP28 optical module of the present application;

FIG. 7 is a schematic bottom view of a QSFP28 optical module according to the present invention;

FIG. 8 is a first schematic diagram of an upper housing of a QSFP28 optical module according to the present invention;

FIG. 9 is a second schematic diagram of the upper case of a QSFP28 optical module according to the present invention;

FIG. 10 is a schematic diagram of an unlocking portion of a QSFP28 optical module according to the present application;

FIG. 11 is a schematic view of an unlatching lever in an unlatching portion of a QSFP28 optical module of the present application;

FIG. 12 is a schematic view of a pull tab in an unlocking portion of a QSFP28 optical module of the present application;

FIG. 13 is a first schematic diagram of an adapter of an embodiment of a QSFP28 optical module according to the present application;

FIG. 14 is a second schematic diagram of an adapter of an embodiment of a QSFP28 optical module according to the present application;

FIG. 15 is a first optical-electrical component schematic diagram of an embodiment of a QSFP28 optical module according to the present application;

FIG. 16 is a second optical-electrical component schematic diagram (with an adapter) of an embodiment of a QSFP28 optical module according to the present application;

FIG. 17 is a first schematic diagram of a metal cage in a host device mated with an embodiment of a QSFP28 optical module according to the present application;

FIG. 18 is a second schematic diagram of a metal cage in a host device mated with an embodiment of a QSFP28 optical module according to the present application;

FIG. 19 is a third schematic diagram of a metal cage in a host device mated with an embodiment of a QSFP28 optical module according to the present application;

FIG. 20 is a first schematic diagram of an MPO fiber jumper connector mated with an embodiment of a QSFP28 optical module of the present application (with the locking ring in a compressed state);

fig. 21 is a second schematic diagram (mortise lock adapter) of an MPO fiber jumper connector mated with an embodiment of a QSFP28 optical module according to the present application.

The reference numerals are explained below:

100 bottom shell

110 first receiving space 111, locking surface 112, sliding groove 113, spring groove 114, receiving groove 120, part of mounting groove 130, stopper 140, positioning surface 160, bottom cover label groove 170, mark protrusion 180, and position limiting surface

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, beam 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 surface 323, handle protrusion 324LOGO protrusion

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

500 return spring

600 screw

700 dust plug

800 photoelectric part

810 optoelectronic device 820 function circuit board 821 locating slot 830 optical connector 831 block surface 840 optical ribbon fiber 850 protective cover

900 metal cage 910 spring plate lock 920 limit plate 930 card frame 940 radiator 950 electric connector

1010 card fine dried surface 1020 lock ring of 1000MPO 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 fig. 2 are exploded views of structure diagrams of an embodiment of a QSFP28 optical module of the present application, fig. 3 and fig. 4 are assembled effect diagrams of an embodiment of a QSFP28 optical module of the present application, fig. 5 is an unlocked state schematic diagram of an embodiment of a QSFP28 optical module of the present application, fig. 6 is an assembled schematic diagram of an embodiment of a QSFP28 optical module of the present application after an upper shell 200 is removed, fig. 7 to fig. 16 are schematic diagrams of components of an embodiment of a QSFP28 optical module of the present application, fig. 17 to fig. 19 are schematic diagrams of a metal cage 900 matched with an embodiment of a QSFP28 optical module of the present application, and fig. 20 and fig. 21 are schematic diagrams of an optical fiber jumper connector 1000 matched with an embodiment of a QSFP28 optical module of the present application. As shown in the above figures, the optical module mainly includes an optical electrical unit 800, an adapter 400, a bottom case 100, an upper case 200, and an unlocking unit 300, where the bottom case 100 and the upper case 200 are assembled by screws 600 to form a cavity for accommodating and fixing the optical electrical unit 800 and the adapter 400, the optical electrical unit 800 is used for interconversion between optical signals and electrical signals, the adapter 400 is used for plugging and fixing an optical connector 830 and a plug-in lock MPO optical fiber jumper connector 1000, and the unlocking unit 300 is slidably mounted on the optical module and can unlock the optical module and withdraw from the host device when the unlocking unit 300 is pulled.

Referring to fig. 15 and 16, the optoelectronic component 800 includes a functional circuit board 820, an optoelectronic device 810, an optical connector 830, an optical fiber ribbon 840 and a protection cover 850, the optoelectronic device 810 is coupled to the optical device of the functional circuit board 820 to form an optoelectronic converter for converting an electrical signal of the functional circuit board 820 into an optical signal and transmitting the optical signal to the optical connector 830 through the optical fiber ribbon 840, or converting an optical signal received by the optical connector 830 into an electrical signal and transmitting the electrical signal to the functional circuit board 820, the optical connector 830 is inserted and fixed in the optical connector port 410 of the adapter 400, the optical connector 830 includes a blocking surface 831, the blocking surface 831 is blocked by the blocking block 130, the optical connector 830 is fixed in the optical connector port 410, the anti-passport 850 is adhesively fixed to the functional circuit board 820 for protecting the optoelectronic device 810, the anti-dust plug 700 is inserted into the MPO optical fiber jumper port 420 of the adapter 400 in a non-, for protecting the optical connector 830 when the optical module is not in operation.

Referring to fig. 13, 14, 16, 20, and 21, the adapter 400 includes an optical connector port 410, an MPO optical fiber jumper port 420, and a latch hook 421, the adapter 400 is used to plug an optical connector 830 and a latch MPO optical fiber jumper connector 1000, after the MPO optical fiber jumper connector 1000 is inserted into the MPO optical fiber jumper port 420, the latch hook 421 is hooked on a hook surface 1010 on the MPO optical fiber jumper connector 1000, after the lock ring 1020 is rebounded on the latch hook 421, the MPO optical fiber jumper connector 1000 is locked in the adapter 400, and optical signal transmission is performed on the optical connector 830.

Referring to fig. 3 and 7, the bottom chassis 100 is provided with a first receiving space 110 corresponding to the left sliding rod 311 and the right sliding rod 312 on two side surfaces of one end, and a limiting surface 180 on the other end, the first receiving space 110 has a locking surface 111, a sliding groove 112, a spring groove 113 and a receiving groove 114, the locking surface 111 cooperates with a spring catch 910 on the metal cage 900 to lock the optical module, the sliding groove 112 provides a sliding path of the unlocking part 300, the spring groove 113 is used to receive a return spring 500 to provide a return force of the unlocking part 300, the receiving groove 114 is used to receive an unlocking wedge 311-1, the limiting surface 180 abuts against a limiting plate 920 in the metal cage 900 to prevent the optical module from being excessively inserted into the metal cage 900, the bottom chassis 100 is further provided with a portion of mounting grooves 120 and a portion of stoppers 130, a portion of the mounting grooves 120 is used to mount the adapter 400, and the stoppers.

Referring to fig. 8, 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 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 fixed 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 114, and slides outwards to jack up a spring sheet lock 910 locked on the locking surface 111 during unlocking; the slide block 311-2 is accommodated in the slide groove 112, slides in the slide groove 112 during unlocking, and provides a sliding path for the unlocking part 300; the spring block 311-3 is accommodated in the spring slot 113 and abuts against one end of the return spring 500, and the spring block 311-3 is driven by the unlocking part 300 to compress the return spring 500 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, and is provided with the handheld protrusion 323 and the LOGO protrusion 324, the handheld protrusion 323 provides friction resistance to prevent slipping when fingers pull the handheld surface 322, and the LOGO protrusion 324 is used for marking a trademark of the optical module.

As shown in fig. 7 to 9, the first accommodating spaces 110 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 110 and the second accommodating spaces 210 cooperate to form symmetrical accommodating spaces for accommodating the left sliding bar 311 and the right sliding bar 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 114; 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 slide block 311-2 is arranged at the lower side of the main body and corresponds to the sliding groove 112; the spring block 311-3 is disposed at the inner side of the body corresponding to the spring groove 113, 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. 7, the bottom case 100 is provided with a positioning column 140, a lower positioning surface 150, a label slot 160 and an identification protrusion 170, wherein the positioning column 140 and the lower positioning surface 150 are used for fixing the functional circuit board 820; the label slots 160 are symmetrically arranged on two side surfaces of the bottom case 100 and used for sticking label descriptions; the mark protrusion 170 is disposed on the inner bottom surface of the cavity of the bottom case 100, and is used 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 150 cooperate with each other to fix the functional circuit board 820; the label slot 240 is a groove provided on the outer surface of the upper case 200 for attaching a label guide.

With reference to fig. 3 and 21, a process of locking a metal cage 900 of a host device, locking an MPO optical fiber jumper connector 1000 to an adapter 400, unlocking and withdrawing the MPO optical fiber jumper connector 1000 from the adapter 400, and unlocking and withdrawing the QSFP28 optical module from the metal cage 900 according to an embodiment of the present invention will be described below. The QSFP28 optical module is pushed and inserted into a metal cage 900 of a host device, when a limiting surface 180 abuts against a limiting plate 920, the QSFP28 optical module stops in the metal cage, a golden finger of a functional circuit board 820 is inserted into an electric connector 950 and performs electric signal transmission with the host device, at the moment, a spring lock 910 is locked on a locking surface 111, a QSFP28 optical module is locked in the metal cage 900 in the host device, an MPO optical fiber jumper connector 1000 is inserted into an MPO optical fiber jumper port 420 of an adapter 400, a spring arm hook 421 is locked in a locking surface 1010, a spring lock ring 1020 is rebounded on the spring arm hook 421, the MPO optical fiber jumper connector 1000 is locked in the adapter 400, and optical signal transmission with remote equipment is performed by butting an optical fiber head 830.

When the QSFP28 optical module is to be stopped from working and quitting the metal cage 900, the hand-pulling lock ring 1020 overcomes the elastic force in the lock ring 1020 to separate the lock ring 1020 from the elastic arm hook 421, at the moment, under the action of outward pulling force, the elastic arm hook 421 is separated from the card-hanging surface 1010, and the MPO optical fiber jumper connector 1000 is unlocked and quitted from the adapter 400; the unlocking part 300 is pulled by applying a pulling force on the handheld surface 322, the unlocking part 300 compresses the return spring 500 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 910 locked on the locking surface 111 to separate from the locking surface 111, 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 relative sliding with the optical module, at the moment, the unlocking part 300 is pulled outwards, the optical module 300 drives the whole optical module to exit the metal cage 900, and therefore the optical module is unlocked and exits the metal cage 900.

After the optical module is unlocked and pulled out of the metal cage 900, the external force applied to the handheld surface 322 disappears, the restoring spring 500 in the compressed state in the spring groove 133 starts to release the restoring elastic force due to the external force, and the pushing spring block 311-3 slides backward to reset by pushing the unlocking part 300.

As shown in fig. 17, a heat sink 940 is mounted on the upper surface of the metal cage 900, the heat sink 940 is locked on the metal cage 900 by the locking frame 930, the surface of the heat sink 940 is in contact with one surface of the QSFP28 optical module, heat generated by the QSFP28 optical module during operation is transferred to the heat sink 940 and is dissipated to the air by the heat sink 940, so that the normal operation of the QSFP28 optical module is protected.

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

1. A QSFP28 optical module comprising: the photoelectric part, the adapter, the bottom shell, the upper shell and the unlocking part are assembled to form a cavity for accommodating and fixing the photoelectric part and the adapter, the photoelectric part is used for converting optical signals and electric signals, the adapter is used for inserting and fixing an optical connector and an inserting and locking MPO optical fiber jumper connector, 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,

2. The QSFP28 optical module according to claim 1, wherein the bottom shell is symmetrically provided with the first receiving spaces at two sides of one end, and correspondingly, the upper shell is also symmetrically provided with the second receiving spaces at two sides of one end, and the first receiving spaces and the second receiving spaces cooperate to form symmetrical receiving spaces for receiving the left sliding rod and the right sliding rod.

3. The QSFP28 light module of claim 1, wherein the bodies of said left and right slide bars are flat bar-shaped; 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 QSFP28 optical module according to claim 1, wherein the bottom shell is further provided with a positioning column, a lower positioning surface, a bottom shell label slot and an identification protrusion, the positioning column and the lower positioning surface are arranged in a cavity of the bottom shell 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.

5. The QSFP28 optical module according to claim 1, wherein the upper shell is further provided with an upper positioning surface and a label slot, and the upper positioning surface is matched with a lower positioning surface in the bottom shell to clamp and press 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.