CN111458812A - High-speed optical module shell structure - Google Patents

Abstract

The present application discloses a high-speed optical module housing structure, comprising: a bottom shell, an upper shell, an unlocking portion, an adapter and a coaxial. The bottom shell and the upper shell are assembled to form an optical module cavity for accommodating the adapter, the coaxial and the coaxial. The optoelectronic part, the unlocking part can be slidably installed on the optical module, and when the unlocking part is pulled, the optical module can be unlocked and withdrawn from the host device, and the adapter is fixedly installed in the optical module cavity, which is used to insert the optical connector and the latch MPO. Optical fiber jumper connector, the coaxial connector is inserted into the optical connector, which is used for the coaxial alignment of the optical connector and the MPO optical fiber jumper connector. The high-speed optical module housing structure provided by the present application can make the adapter, the coaxial and the optoelectronic part stably installed in the cavity of the optical module; the unlocking part can make the optical module lock and unlock in the host device smoothly; The shell, the upper shell, the unlocking part and the adapter are easy to install and disassemble, and the coaxial device makes the optical connector and the MPO fiber jumper connector well coaxially aligned.

Description

A high-speed optical module shell structure

technical field

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

Background technique

The steady development of the global telecommunications industry and the steady growth of broadband users have laid a solid foundation for the development of the optical communication industry. With the continuous improvement of global bandwidth demand and the expansion of application fields of data center, security monitoring and optical communication industry, optical fiber broadband access has become the mainstream communication mode. Driven by the popularity of terminals such as smartphones and applications such as video and cloud computing, telecom operators continue to invest in the construction and upgrade of mobile broadband networks and fiber-optic broadband networks, and the scale of investment in optical communication equipment has also further expanded.

The rapid development of the optical communication industry has also driven the upgrading of optical modules. In today's increasingly fierce market competition environment for optical communications, communication equipment has a higher and higher demand for reducing equipment size and increasing interface density. In order to meet this demand, optical modules are also developing in the direction of small packages with high integration and high speed. Such as XFP, QSFP (QuadSmall Form-factor Pluggable, small pluggable optical module), QSFP+, CFP/CFP2/CFP4, QSFP28, etc. are small size pluggable high-density interface, high-speed optical modules, of which QSFP28 is suitable for 4×25GE access ports, providing four high-band interconnection channels, each channel can achieve a maximum transmission rate of 40Gbps. Using QSFP28 optical modules can directly upgrade from 25G to 100G without going through 40G, which greatly simplifies the cabling system of the data center, reduces the cost of the cabling system and cable density, and provides a more cost-effective solution for enterprise upgrades and Ethernet connections. Program. Therefore, a high-speed optical module housing structure is required, so that the optoelectronic devices, functional circuit boards and optical connectors of the optical module are stabilized in the cavity of the optical module, so that the optical module can be used in combination with the optical fiber communication equipment, and the optical fiber communication can be transmitted through the optoelectronic device. The optical signal of the device is converted into an electrical signal, and the electrical signal is transmitted to the functional circuit board, and then the electrical signal received by the functional circuit board is communicated with the circuit board in the host device. The functional circuit board in the optical module converts the electrical signal into an optical signal and transmits it to the optical fiber communication device through the optoelectronic device; through the unlocking part in the optical module shell structure, the optical module is stably locked in the host device, and the unlocking part makes the optical module firmly locked in the host device. The optical module is smoothly unlocked and withdrawn from the host device, and the optical connector in the optical module is coaxially aligned with the MPO (Multi-Fiber PushOn) fiber jumper connector through the coaxial device in the optical module housing structure, so that the optical signal is good. transmission.

SUMMARY OF THE INVENTION

The embodiment of the present invention aims to provide a high-speed optical module housing structure, so that the optoelectronic devices, functional circuit boards and optical connectors of the optical module are stabilized in the cavity of the optical module. The optical module is firmly locked in the host device, and the optical module is unlocked and withdrawn from the host device through the unlocking component, and the optical connector in the optical module is coaxially aligned with the MPO fiber jumper connector through the coaxial device. Make the optical signal well transmitted.

In order to achieve the above purpose, the embodiments of the present invention provide a high-speed optical module housing structure, including: a bottom shell, an upper shell, an unlocking part, an adapter and a coaxial device, and the bottom shell and the upper shell are assembled to form an optical module cavity. To accommodate the adapter, the coaxial and the optoelectronic part, the unlocking part can be slidably installed on the optical module, and when the unlocking part is pulled, the optical module can be unlocked and withdrawn from the host device, and the adapter is fixedly installed in the optical module cavity for Plug-in optical connector and mortise-lock MPO optical fiber jumper connector, the coaxial connector is inserted into the optical connector, which is used for the coaxial alignment of the optical connector and the MPO optical fiber jumper connector.

The bottom case is provided with a heat-conducting table inside the case, a heat-dissipating surface is provided on the outer bottom surface of the case, and a first accommodating space corresponding to the unlocking portion is provided on one side of the case, the heat-conducting table The heat generated during the operation of the optoelectronic part is conducted to the heat dissipation surface, and then the heat is dissipated into the air through the heat sink close to the heat dissipation surface. The first accommodating space has a locking surface, a chute, a spring groove and a The locking surface is used to lock the optical module in the metal cage by cooperating with the spring clip lock on the metal cage in the host device, and the sliding groove is used to provide the sliding route of the unlocking part, so The spring groove is used for accommodating the return spring to provide the restoring force of the unlocking part, the opening of the accommodating groove is arranged on the locking surface, and the bottom case is further provided with a stop block and a part of the installation groove, the stop block for clamping the coaxial, and the part of the installation groove is used for installing the adapter;

The upper shell is provided with a second accommodating space corresponding to the first accommodating space on one side of one end, and the accommodating space formed by the cooperation of the first accommodating space and 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 has a limit groove to limit the stroke of the unlocking part, and the upper shell is also provided with a partial installation at one end a groove, a part of the installation groove of the upper shell cooperates with a part of the installation groove of the bottom shell to form a complete installation groove for accommodating and fixing the adapter;

The unlocking part is composed of an unlocking rod and a handle. The unlocking rod is made of metal material, and is provided with a left sliding rod, a right sliding rod and a connecting beam, and the left sliding rod and the right sliding rod are symmetrically arranged on the On both sides of the connecting beam, an unlocking wedge, a sliding block, a spring block, a stroke limit block and a handle block are symmetrically arranged on the left sliding rod and the right sliding rod, and the unlocking wedge is accommodated in the In the accommodating groove, the shrapnel lock is pushed up by sliding outwards when unlocking, the sliding block is accommodated in the sliding groove, and slides in the sliding groove when unlocking, providing a sliding route for the unlocking part, The spring block is accommodated in the spring groove and abuts against one end of the return spring, the travel limit block is accommodated in the travel limit groove, and cooperates with the travel limit groove to limit the unlocking when unlocking The handle block is provided with a through hole and is processed into one piece with the handle. The handle is made of rubber material and has a hand-held surface and two symmetrical pulling arms. One end is processed into one piece with the handle block, so that the unlocking lever and the handle form an integral part to become the unlocking part, and the grip surface is arranged on the other end of the pull arm to provide external pulling force to pull the The unlocking part unlocks the optical module, and is provided with a hand-held protrusion and a LOGO protrusion;

The adapter is accommodated in the complete installation slot, and is provided with an optical connector port, an MPO fiber jumper port and a spring arm hook. The optical connector port is used for inserting the optical connector, and the MPO fiber jumper port is used. For inserting the MPO optical fiber jumper connector, the elastic arm hook is used to lock the MPO optical fiber jumper connector in the adapter;

The coaxial device is provided with a seat and a positioning pin, the seat is provided with a mounting hole, a block surface and an optical connector surface, and the positioning pin is clamped in the mounting hole and inserted through the optical fiber head , when the MPO fiber jumper connector is inserted into the adapter, it is inserted into the positioning hole of the MPO fiber jumper connector, so that the optical fiber head and the MPO fiber jumper connector are well aligned for optical signal transmission. , the block surface abuts against the block, and the optical connector surface abuts against the optical connector seat of the optical connector.

In the above-mentioned housing structure of a high-speed optical module, the bottom case is symmetrically provided with the first accommodating space on two sides of one end, and correspondingly, the upper case is also symmetrically provided with two sides of one end. The second accommodating space, the first accommodating space and the second accommodating space cooperate to form a symmetrical accommodating space for accommodating the left sliding rod and the right sliding rod.

In the above-mentioned housing structure of a high-speed optical module, the main bodies of the left sliding rod and the right sliding rod are in the shape of flat strips; the unlocking wedge is arranged on one end face of the main body, corresponding to the accommodating groove; The handle block is arranged on the other end of the main body, corresponding to the pulling arm; the sliding block is arranged on the lower side of the main body, corresponding to the chute; the travel limit block is arranged on the main body The upper side of the body corresponds to the stroke limit groove; the spring block is arranged on the inner side of the main body and corresponds to the spring groove.

In the above-mentioned high-speed optical module shell structure, the bottom shell is further provided with a positioning column, a lower positioning surface, a bottom shell label groove and a logo protrusion, and the positioning column and the lower positioning surface are arranged in the cavity of the bottom shell. Inside the body, it is used to fasten the functional circuit board; the label grooves of the bottom case are symmetrically arranged on both sides of the bottom case and are used for sticking label instructions; the logo protrusions are arranged on the bottom surface of the cavity of the bottom case , used to identify the production date and company LOGO of the optical module.

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

The high-speed optical module housing structure provided by the present application can make the adapter, the coaxial and the optoelectronic part stably installed in the cavity of the optical module; the unlocking part can make the locking and unlocking of the optical module in the host device simple and smooth ; The installation and disassembly of the bottom shell, the upper shell, the unlocking part and the adapter are convenient, and the coaxial device makes the optical connector and the MPO fiber jumper connector well coaxially aligned.

Description of drawings

1 is an exploded view 1 of an embodiment of a high-speed optical module housing structure of the application;

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

FIG. 3 is an assembly diagram 1 of an embodiment of a housing structure of a high-speed optical module according to the present application;

FIG. 4 is an assembly diagram 2 of an embodiment of a housing structure of a high-speed optical module according to the present application;

FIG. 5 is an assembly diagram 3 (unlocked state) of an embodiment of the housing structure of a high-speed optical module according to the present application;

FIG. 6 is a schematic diagram 1 of a bottom case of a high-speed optical module housing structure of the application;

7 is a second schematic diagram of a bottom case of a high-speed optical module shell structure of the application;

FIG. 8 is a schematic diagram 1 of an upper casing of a high-rate optical module casing structure according to the present application;

9 is a second schematic diagram of an upper casing of a high-rate optical module casing structure according to the present application;

10 is a schematic diagram of an unlocking portion of a high-rate optical module housing structure of the application;

11 is a schematic diagram of an unlocking lever in an unlocking portion of a high-rate optical module housing structure of the application;

12 is a schematic diagram of a handle in an unlocking portion of a high-rate optical module housing structure of the application;

13 is a schematic diagram 1 of an adapter according to an embodiment of a housing structure of a high-speed optical module according to the present application;

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

15 is a schematic diagram of a coaxial device of a high-speed optical module housing structure of the application;

16 is a schematic diagram of the assembly of a coaxial and an optical connector of a high-speed optical module housing structure of the application;

17 is a schematic diagram 1 of an optoelectronic part of a high-speed optical module according to a high-speed optical module housing structure embodiment of the present application;

FIG. 18 is a second schematic diagram (with an adapter) of the optoelectronic part of a high-speed optical module according to an embodiment of the housing structure of a high-speed optical module of the present application;

19 is a schematic diagram of the connection between an optical connector of a high-speed optical module housing structure and an MPO optical fiber jumper connector under the docking of a coaxial device (remove the adapter);

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

The reference numerals are explained as follows:

100 bottom case

110 heat conduction table 120 first accommodating space 121 locking surface 122 sliding groove 123 spring groove 124 accommodating groove

130 Partial installation groove 140 Block 150 Heat dissipation surface 161 Positioning post 162 Mounting surface 171 Logo protrusion

172 bottom shell label slot

200 upper shell

210 Second accommodating space 211 Limit slot 220 Partial installation slot 230 Upper positioning surface 240 Label slot

300 Unlock Department

310 Unlocking rod 311 Left sliding rod 312 Right sliding rod 313 Connecting beam 311-1 Unlocking wedge 311-2 Slider

311-3 Spring block 311-4 Limit block 311-5 Handle block 320 Handle 321 Pull arm 322 Hand surface

323LOGO protrusion 324Handhold protrusion

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

500 coaxial 510 seat 511 mounting hole 512 block surface 513 optical connector surface 520 coaxial needle

600 Optoelectronics Department

610 optoelectronic device 620 functional circuit board 621 positioning slot 630 optical connector 631 optical connector seat

640 Optical Ribbon Fiber

710 dust plug 720 return spring 730 screw

810 metal cage 811 shrapnel lock 812 radiator 813 lock

900MPO Fiber Patch Cord Connector

Detailed ways

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

1 and FIG. 2 are exploded views of an embodiment of the housing structure of a high-speed optical module according to the present application. A schematic diagram of an unlocked state of an embodiment of a housing structure of a high-speed optical module of the application, FIGS. 6 to 15 are schematic diagrams of various components in an embodiment of a housing structure of a high-speed optical module of the application, and FIG. 16 is a high-speed optical module of the application. Figure 17 and Figure 18 are the functional circuit board 620, the optoelectronic device 610, the optical connector 630 and the adapter of the high-speed optical module in an embodiment of the high-speed optical module housing of the application. 400 assembly schematic diagram, FIG. 19 is a schematic diagram of coaxial docking between the MPO fiber jumper connector 900 and the optical connector 630 used for a high-speed optical module of the present application, and FIG. 20 is a high-speed optical module shell structure of the present application. Schematic diagram of an embodiment of a metal cage 810 fitted. As shown in the above figures, the housing structure of the optical module mainly includes a bottom case 100 , an upper case 200 , an unlocking portion 300 , an adapter 400 and a coaxial device 500 .

As shown in FIG. 1 and FIG. 2 , the bottom case 100 and the upper case 200 are assembled with 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 device of the optical module. 500.

Referring to FIG. 6 and FIG. 7 , the bottom case 100 is provided with a heat conduction table 110 inside the case, a heat dissipation surface 150 is provided on the outer bottom surface of the case, and a first container corresponding to the unlocking portion 300 is provided on one end side of the case. The heat-conducting stage 110 conducts the heat generated by the photoelectric part 600 during operation to the heat-dissipating surface 150, and then dissipates the heat into the air through the heat sink 812 closely attached to the heat-dissipating surface 150. The first receiving space 120 has a lock The surface 121, the chute 122, the spring slot 123 and the accommodating slot 124. The locking surface 121 is used for locking the optical module in the metal cage 810 in cooperation with the shrapnel lock 811 on the metal cage 810 in the host device. The chute 122 is used for In order to provide the sliding route of the unlocking portion 300, the spring groove 123 is used to accommodate the return spring 720 to provide the restoring force of the unlocking portion 300. The opening of the accommodating groove 124 is provided on the locking surface 121, and the bottom case 100 is further provided with a stopper 140 and a portion. The installation groove 130 and the stop block 140 are used for clamping the coaxial coaxial 500 , and part of the installation groove 130 is used for installing the adapter 400 .

Referring to FIG. 8 , the upper shell 200 is provided with a second accommodating space 210 corresponding to the first accommodating space 120 at one end and two sides thereof. The space accommodates the unlocking lever 310, the unlocking lever 310 slides in the accommodating space to unlock the optical module, the second accommodating space 210 has a limit groove 211, which limits the stroke of the unlocking lever 310, and the upper shell 200 is also provided with a partial installation at one end The groove 220 , a complete installation groove formed by a part of the installation groove 120 and a part of the installation groove 220 is used for accommodating the fixed adapter 400 .

10 to 12 , the unlocking portion 300 is composed of two parts: 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 slide bar 311 and the right slide bar 312 into a whole as the unlock bar 310, and the left slide bar 311 and the right slide bar 312 are symmetrically provided with unlocking wedges 311-1, sliders 311-2, springs The block 311-3, the limit block 311-4 and the handle block 311-5, the unlocking wedge 311-1 is accommodated in the accommodating groove 124, and when unlocking, it slides outward to push up the shrapnel lock on the locking surface 121. 811; the slider 311-2 is accommodated in the chute 122, and slides in the chute 122 when unlocking, providing a sliding route for the unlocking part 300; the spring block 311-3 is accommodated in the spring slot 123, and is connected with the return spring 720 When unlocking, the spring block 311-3 compresses the return spring 720 driven by the unlocking part 300; 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 has a through hole and is processed into one piece with the handle 320; the handle 320 is made of rubber material and is provided with a pull arm 321 and a handle surface 322, one end of the pull arm 321 is processed into one with the handle block 311-5, the handle block 311 The rubber material of the handle 320 is poured on the outer surface of the -5 and the through hole on the handle block 311-5, so that the pull arm 321 and the handle block 311-5 can be firmly integrated, so that the unlocking lever 310 and the handle 320 can be firmly integrated. An integral part is formed to become the unlocking part 300; the hand-held surface 322 is arranged on the other end of the pulling arm 321 to provide external pulling force for the unlocking part 300 to pull the unlocking part 300 to unlock the optical module, and a hand-held protrusion 324 and a LOGO protrusion are provided. 323. The hand-held protrusions 324 provide frictional resistance to prevent slippage when the fingers pull the hand-held surface 322. The LOGO protrusions 323 are used to identify the trademark of the optical module.

13 and 14, the adapter 400 is accommodated and fixed in the complete installation groove formed by the assembly of part of the installation groove 130 and part of the installation groove 220, and is provided with an optical connector port 410, an optical fiber jumper port 420 and an elastic arm hook 421 , the optical connector port 410 is used for inserting the optical connector 630 , the optical fiber jumper port 420 is used for inserting the MPO optical fiber jumper connector 900 , and the elastic arm hook 421 is used for locking or unlocking the MPO optical fiber jumper connector 900 .

15, 16 and 19, the coaxial 500 is provided with a seat 510 and a positioning pin 520, the seat 510 is provided with a mounting hole 511, a stopper surface 512 and an optical connector surface 513, and the positioning pin 520 is clamped It is fixed in the installation hole 511 and inserted through the optical fiber head 630. When the MPO optical fiber jumper connector 900 is inserted into the adapter 400, it is inserted into the positioning hole of the MPO optical fiber jumper connector 900, so that the optical fiber head 630 is connected with the MPO optical fiber jumper. The optical connector 900 is well aligned for optical signal transmission, the stopper surface 512 is in contact with the stopper 140, and the optical connector surface 513 is in contact with the optical connector seat 631 of the optical connector 630. So far, the coaxial device 500, the optical connector 630 and the adapter 400 are together Stable in the optical module cavity.

Continuing from FIGS. 6 to 9 , the first accommodating spaces 120 provided on two sides of one end of the bottom case 100 are symmetrical, and correspondingly, the second accommodating spaces 120 provided on the two sides of one end of the upper case 200 are symmetrical 210 is also symmetrical, the first accommodating space 120 and the second accommodating space 210 cooperate to form a symmetrical accommodating space for accommodating the left sliding rod 311 and the right sliding rod 312 .

10 to 12, the main bodies of the left slide bar 311 and the right slide bar 312 are in the shape of flat strips, and the unlocking wedge 311-1 is provided on one end face of the main body, corresponding to the accommodating groove 124; the handle block 311-5 is provided On the other end face of the main body, it is integrated with the pull arm 321; the slider 311-2 is arranged on the lower side of the main body, corresponding to the chute 122; the spring block 311-3 is arranged on the inner side of the main body, corresponding to the spring slot 123 , the stroke limit block 311 - 4 is arranged on the upper side of the main body and corresponds to the stroke limit groove 211 .

Referring again to FIG. 6 , the bottom case 100 is provided with a positioning column 161 , a lower positioning surface 162 , a label groove 172 and a marking protrusion 171 , and the positioning column 161 cooperates with the positioning groove 621 in the functional circuit board 620 to locate the functional circuit board. 620; the label grooves 172 are symmetrically arranged on both sides of the bottom case 100 for sticking label descriptions; the logo protrusion 171 is arranged on the bottom surface of the cavity of the bottom case 100 to indicate the production date of the optical module and the company LOGO (pattern) .

8 and FIG. 9, the upper casing 200 is provided with an upper positioning surface 230 and a label slot 240. The upper positioning surface 230 and the lower positioning surface 162 cooperate to press and fix the functional circuit board 620; the label slot 240 is provided on the upper The grooves on the outer surface of the shell 200 are used for sticking label instructions.

As shown in FIG. 20 , the heat sink 812 is fastened on the metal cage 810 by the latch 813, and is closely attached to the heat dissipation surface 150 of the bottom case 100, so as to conduct the heat generated during the operation of the optical module to the heat sink 812 and dissipate it. to the air to protect the optical module from working properly.

With reference to FIG. 3 and FIG. 20 , the working, unlocking, and restoring processes of a high-rate optical module housing structure embodiment of the present application will be described below. Insert the high-speed optical module into the metal cage 810 shown in FIG. 20 , and lock the locking surface 121 on the side of the bottom case 100 through the shrapnel lock 811 on the metal cage 810 , thereby locking the high-speed optical module in the metal cage 810 At this time, the functional circuit board 620 is connected to the host device, and then the MPO fiber jumper connector 900 is inserted and locked in the adapter 400 to dock the optical connector 630, and the high-speed optical module starts to work.

When the high-speed optical module is required to operate, a pulling force is applied on the hand-held surface 322 to pull the unlocking part 300, the unlocking part 300 compresses the return spring 720 and slides outward, and drives the unlocking wedge 311-1 to also slide outward, and the unlocking wedge 311- 1. Lift up the shrapnel lock 811 locked on the locking surface 121 and disengage the locking surface 121, thereby unlocking the optical module. At the same time, the travel limiting block 311-4 also slides in the travel limiting groove 211 to one end of the travel limiting groove 211 And stop sliding, and then the unlocking part 300 stops sliding relative to the optical module. At this time, the unlocking part 300 is pulled outward, and the unlocking part 300 drives the entire optical module to exit the metal cage 810. At this point, the optical module is unlocked and exited from the metal cage. 810 action.

After the optical module is unlocked and pulled out of the metal cage 810, the external force exerted on the handle surface 322 disappears, and the return spring 720, which is in a compressed state in the spring groove 123 due to the external force, begins to release the restoring elastic force, and pushes the spring block 311-3 toward After sliding, the unlocking part 300 is pushed back to reset.

As shown in FIG. 1 , FIG. 17 and FIG. 18 , a high-speed optical module housing structure of the present application is applied to a high-speed optical module, and a high-speed optical module also has a dust plug 710 and an optoelectronic part 600 . The part 600 includes: an optoelectronic device 610, a functional circuit board 620, an optical connector 630, and an optical ribbon fiber 640. The functional circuit board 620 is provided with a positioning slot 621, and the positioning slot 621 cooperates with the positioning post 161, so that the functional circuit board 620 is positioned in the optical fiber. Inside the module cavity; the optoelectronic device 610 is coupled and encapsulated on the optical device of the functional circuit board 620 for the conversion of optical signal and electrical signal; the optical connector 630 is inserted and fixed on the optical connector port 410 of the adapter 400, and is connected with the MPO fiber jumper The optical 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 fiber jumper port 420 of the adapter 400 in the non-working state. It is used to protect the optical connector 630 when the optical module is not working.

The above descriptions are only preferred embodiments of the invention, and are not intended to limit the invention, and it should be understood that the terms used are descriptive and exemplary, rather than restrictive. Since the application may be embodied in many forms without departing from the spirit or essence of the application, it should be understood that the above-described embodiments are not limited to any of the foregoing details, but are to be broadly within the spirit and scope defined by the appended claims Therefore, all changes and modifications that come within the scope of the claims or their equivalents should be covered by the appended claims.

Claims (5)

1. A shell structure of a high-speed optical module, comprising: a bottom shell, an upper shell, an unlocking part, an adapter and a coaxial, the bottom shell and the upper shell are assembled to form an optical module cavity for accommodating the adapter, the coaxial and the optoelectronic part , the unlocking part can be slidably installed on the optical module, and when the unlocking part is pulled, the optical module can be unlocked and withdrawn from the host device, and the adapter is fixedly installed in the optical module cavity, used for inserting and fixing optical connectors and locking MPO fiber jumpers Line connector, the coaxial device is inserted into the optical connector, and is used for the coaxial alignment of the optical connector and the MPO fiber jumper connector, and is characterized in that: The bottom case is provided with a heat-conducting table inside the case, a heat-dissipating surface is provided on the outer bottom surface of the case, and a first accommodating space corresponding to the unlocking portion is provided on one side of the case, the heat-conducting table The heat generated during the operation of the optoelectronic part is conducted to the heat dissipation surface, and then the heat is dissipated into the air through the heat sink close to the heat dissipation surface. The first accommodating space has a locking surface, a chute, a spring groove and a The locking surface is used to lock the optical module in the metal cage by cooperating with the spring clip lock on the metal cage in the host device, and the sliding groove is used to provide the sliding route of the unlocking part, so The spring groove is used for accommodating the return spring to provide the restoring force of the unlocking part, the opening of the accommodating groove is arranged on the locking surface, and the bottom case is further provided with a stop block and a part of the installation groove, the stop block for clamping the coaxial, and the part of the installation groove is used for installing the adapter; The upper shell is provided with a second accommodating space corresponding to the first accommodating space on one side of one end, and the accommodating space formed by the cooperation of the first accommodating space and 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 has a limit groove to limit the stroke of the unlocking part, and the upper shell is also provided with a partial installation at one end a groove, a part of the installation groove of the upper shell cooperates with a part of the installation groove of the bottom shell to form a complete installation groove for accommodating and fixing the adapter; The unlocking part is composed of an unlocking rod and a handle. The unlocking rod is made of metal material, and is provided with a left sliding rod, a right sliding rod and a connecting beam, and the left sliding rod and the right sliding rod are symmetrically arranged on the On both sides of the connecting beam, an unlocking wedge, a sliding block, a spring block, a stroke limit block and a handle block are symmetrically arranged on the left sliding rod and the right sliding rod, and the unlocking wedge is accommodated in the In the accommodating groove, the shrapnel lock is pushed up by sliding outwards when unlocking, the sliding block is accommodated in the sliding groove, and slides in the sliding groove when unlocking, providing a sliding route for the unlocking part, The spring block is accommodated in the spring groove and abuts against one end of the return spring, the travel limit block is accommodated in the travel limit groove, and cooperates with the travel limit groove to limit the unlocking when unlocking The handle block is provided with a through hole and is processed into one piece with the handle. The handle is made of rubber material and has a hand-held surface and two symmetrical pulling arms. One end is processed into one piece with the handle block, so that the unlocking lever and the handle form an integral part to become the unlocking part, and the grip surface is arranged on the other end of the pull arm to provide external pulling force to pull the The unlocking part unlocks the optical module, and is provided with a hand-held protrusion and a LOGO protrusion; The adapter is accommodated in the complete installation slot, and is provided with an optical connector port, an MPO fiber jumper port and a spring arm hook. The optical connector port is used for inserting the optical connector, and the MPO fiber jumper port is used. For inserting the MPO optical fiber jumper connector, the elastic arm hook is used to lock the MPO optical fiber jumper connector in the adapter; The coaxial device is provided with a seat and a positioning pin, the seat is provided with a mounting hole, a block surface and an optical connector surface, and the positioning pin is clamped in the mounting hole and inserted through the optical fiber head , when the MPO fiber jumper connector is inserted into the adapter, it is inserted into the positioning hole of the MPO fiber jumper connector, so that the optical fiber head and the MPO fiber jumper connector are well aligned for optical signal transmission. , the block surface abuts against the block, and the optical connector surface abuts against the optical connector seat of the optical connector. 2 . The housing structure of a high-speed optical module according to claim 1 , wherein the bottom case is symmetrically provided with the first accommodating space on two sides of one end, and correspondingly, the upper The second accommodating space is also symmetrically arranged on two sides of one end of the shell, and the first accommodating space cooperates with the second accommodating space to form a symmetrical accommodating space for accommodating the left slide bar and the second accommodating space. Right slider. 3 . The housing structure of a high-speed optical module according to claim 1 , wherein the main bodies of the left sliding rod and the right sliding rod are in the shape of flat bars; the unlocking wedge is arranged on the main body. 4 . One end face of the main body corresponds to the accommodating groove; the handle block is arranged on the other end of the main body, corresponding to the pulling arm; the sliding block is arranged on the lower side of the main body, corresponding to the chute ; the stroke limiting block is arranged on the upper side of the main body, corresponding to the stroke limiting groove; the spring block is arranged on the inner side of the main body, corresponding to the spring groove. 4 . The housing structure of a high-speed optical module according to claim 1 , wherein the bottom case is further provided with a positioning column, a lower positioning surface, a label groove and a marking protrusion of the bottom shell, and the positioning column and The lower positioning surface is arranged in the cavity of the bottom case, and is used for clamping the functional circuit board; the label groove of the bottom case is symmetrically arranged on both sides of the bottom case, and is used for sticking label instructions; the identification protrusion It is arranged on the inner bottom surface of the cavity of the bottom case, and is used to identify the production date and company LOGO of the optical module. 5 . The housing structure of a high-speed optical module according to claim 1 , wherein the upper housing is further provided with an upper positioning surface and a label slot, and the upper positioning surface is arranged with a lower positioning surface in the bottom housing. 6 . The function circuit board is fixed by pressing and pressing on the surface; the label groove is a groove provided on the outer surface of the upper shell, which is used for sticking label instructions.

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