CN212647092U

CN212647092U - Optical module

Info

Publication number: CN212647092U
Application number: CN202021807789.9U
Authority: CN
Inventors: 叶书华; 司宝峰
Original assignee: Hisense Broadband Multimedia Technology Co Ltd
Current assignee: Hisense Broadband Multimedia Technology Co Ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-03-02
Anticipated expiration: 2030-08-26

Abstract

The application provides an optical module, includes: a lower housing; a circuit board disposed on the lower case; the light emission secondary module is connected with the circuit board and used for outputting signal light; the optical receiving sub-module is connected with the circuit board and used for receiving signal light from the outside of the optical module; the first optical fiber is used for transmitting the signal light output by the light emission submodule; the second optical fiber is used for transmitting the signal light from the outside of the optical module to the optical receive sub-module; the first optical fiber adapter is connected with one end of the first optical fiber, and the other end of the first optical fiber adapter is used for connecting an external optical fiber; one end of the second optical fiber adapter is connected with the other end of the second optical fiber, and the other end of the second optical fiber adapter is used for connecting an external optical fiber; the fine support of dish sets up on the bottom surface of casing down and is located between optic fibre adapter and the circuit board tip, including support base and the fine buckle of dish of setting on support base, the fine buckle of dish is used for coiling first optic fibre and second optic fibre. The optical fiber storage rack is convenient to store optical fibers regularly, and the optical fibers are effectively prevented from being accumulated on optical port accessories of the optical module.

Description

Optical module

Technical Field

The application relates to the technical field of optical fiber communication, in particular to an optical module.

Background

The optical communication technology can be applied to novel services and application modes such as cloud computing, mobile internet, video and the like. The optical module realizes the function of photoelectric conversion in the technical field of optical communication, is one of key devices in optical communication equipment, and the intensity of an optical signal input into an external optical fiber by the optical module directly influences the quality of optical fiber communication.

At present, with the continuous improvement of the transmission rate of an optical module, the number of transmission channels in the optical module is continuously increased, for example, the optical module includes two sets of optical transmit sub-modules and two sets of optical receive sub-modules, so that the occupied volumes of the optical transmit sub-modules and the optical receive sub-modules in the optical module are continuously increased. Therefore, when the overall volume of the optical module is limited, the space left in other functional components is relatively reduced. Therefore, how to implement the functions of each component in a decreasing space is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides an optical module, makes things convenient for inside optic fibre to accomodate fixedly, guarantees that optic fibre is neat.

The application provides an optical module, includes:

a lower housing;

a circuit board disposed on the lower case;

the light emission secondary module is connected with the circuit board and used for outputting signal light;

the optical receiving sub-module is connected with the circuit board and used for receiving signal light from the outside of the optical module;

one end of the first optical fiber is connected with the optical transmitter sub-module and is used for transmitting the signal light output by the optical transmitter sub-module;

one end of the second optical fiber is connected with the optical receiving submodule and is used for transmitting the signal light from the outside of the optical module to the optical receiving submodule;

the first optical fiber adapter is connected with the other end of the first optical fiber at one end, and the other end of the first optical fiber adapter is used for connecting an external optical fiber;

one end of the second optical fiber adapter is connected with the other end of the second optical fiber, and the other end of the second optical fiber adapter is used for connecting an external optical fiber;

the fiber coiling bracket is arranged on the bottom surface of the lower shell and is positioned between the optical fiber adapter and the end part of the circuit board;

the coiling fiber support comprises a support base and a coiling fiber buckle arranged on the support base, and the coiling fiber buckle is used for coiling the first optical fiber and the second optical fiber.

The optical module comprises a light emission submodule and a light receiving submodule; the optical transceiver comprises a light emission secondary module, a light receiving secondary module, a first optical fiber adapter, a second optical fiber adapter, a first optical fiber, a second optical fiber, a first optical fiber, a second optical fiber, a third optical fiber, a fourth optical fiber, a fifth optical fiber, a sixth optical fiber, a fifth optical fiber, a sixth optical fiber, a. Because the optical module is relatively small in size, the distance between the fixing positions of the light emission secondary module and the first optical fiber adapter and the distance between the fixing positions of the light receiving secondary module and the second optical fiber adapter are relatively short, if the light emission secondary module and the first optical fiber adapter are connected in a straight line through the first optical fiber and the light receiving secondary module and the second optical fiber adapter are connected in a straight line through the second optical fiber, the assembly of structural components such as the light emission secondary module, the light receiving secondary module, the first optical fiber adapter and the second optical fiber adapter is inconvenient.

To facilitate assembly of the tosa, the first fiber adapter, the second fiber adapter, and other such structures, the length of the first fiber is generally greater than the distance between the tosa and the first fiber adapter, and the length of the second fiber is generally greater than the distance between the tosa and the second fiber adapter. However, in use, it is found that the relatively long first optical fiber and the relatively long second optical fiber are stacked near the optical port of the optical module after the optical transmit-sub-module, the optical receive-sub-module, the first optical fiber adapter, the second optical fiber adapter and other structural components are completed, which is inconvenient for installing the housing on the optical module; meanwhile, the first optical fiber and the second optical fiber are easily damaged in the process of assembling the upper shell of the optical module, and when the optical fibers are stacked near the optical port, the optical fibers are stacked in a small space to be bent, so that the bending radius is smaller than the minimum bending radius required by the optical fibers, and further the optical loss is caused to influence the performance of an optical module product. Therefore, the optical module provided by the present application further includes a fiber coiling holder, which is disposed on the bottom surface of the lower housing and between the optical fiber adapter and the optical sub-module, and is used for coiling the first optical fiber and the second optical fiber.

Specifically, the fine support of dish includes support base and the fine buckle of dish, and the support base is used for the fixed mounting of the fine support of dish and makes things convenient for the fine buckle setting of dish, and the fine buckle of dish is used for coiling optic fibre. Therefore, the first optical fiber and the second optical fiber are wound on the coiled fiber support, and therefore the optical fibers are regularly stored, the optical fibers are effectively prevented from being accumulated near an optical port of the optical module, the optical module upper shell is convenient to install, the first optical fiber and the second optical fiber are prevented from being damaged in the assembly process of the optical module upper shell, optical loss caused by the fact that the bending radius is smaller than the minimum bending radius required by the optical fibers due to the fact that the optical fibers are accumulated in a small space and are bent is avoided, and the performance of an optical module product is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic diagram of a connection relationship of an optical communication terminal;

FIG. 2 is a schematic diagram of an optical network unit;

fig. 3 is a schematic structural diagram of an optical module according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of an exploded structure of an optical module according to an embodiment of the present application;

fig. 5 is a schematic diagram of an internal mechanism of an optical module according to an embodiment of the present disclosure;

fig. 6 is a schematic view of an assembly structure of a circuit board and a fiber coiling holder according to an embodiment of the present disclosure;

fig. 7 is an exploded schematic view of a circuit board and a fiber tray according to an embodiment of the present disclosure;

fig. 8 is a perspective view of a fiber coiling holder provided in an embodiment of the present application;

FIG. 9 is a diagram of a fiber coiling holder according to an embodiment of the present application;

FIG. 10 is a first cross-sectional view of a fiber coiling holder according to an embodiment of the present disclosure;

fig. 11 is a second cross-sectional view of a fiber coiling holder provided in the embodiment of the present application;

fig. 12 is a schematic structural diagram of an unlocking component according to an embodiment of the present application;

FIG. 13 is a side view of an unlocking member provided in accordance with an embodiment of the present application;

FIG. 14 is a top view of an unlocking member provided in accordance with an embodiment of the present application;

fig. 15 is an exploded view of another optical module provided in the embodiments of the present application;

fig. 16 is a schematic structural diagram of a lower housing according to an embodiment of the present application;

fig. 17 is a schematic structural diagram of an optical module with an unlocking component removed according to an embodiment of the present disclosure;

fig. 18 is an assembly cross-sectional view of an upper housing and a lower housing of an optical module according to an embodiment of the present disclosure;

fig. 19 is an exploded schematic view of an upper housing and a lower housing of an optical module according to an embodiment of the present disclosure;

fig. 20 is a schematic structural diagram of a first gasket according to an embodiment of the present disclosure.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

In the following, some embodiments of the present application will be described in detail with reference to the drawings, and features in the following examples and examples may be combined with each other without conflict.

One of the core links of optical fiber communication is the interconversion of optical and electrical signals. The optical fiber communication uses optical signals carrying information to transmit in information transmission equipment such as optical fibers/optical waveguides, and the information transmission with low cost and low loss can be realized by using the passive transmission characteristic of light in the optical fibers/optical waveguides; meanwhile, the information processing device such as a computer uses an electric signal, and in order to establish information connection between the information transmission device such as an optical fiber or an optical waveguide and the information processing device such as a computer, it is necessary to perform interconversion between the electric signal and the optical signal.

The optical module realizes the function of interconversion of optical signals and electrical signals in the technical field of optical fiber communication, and the interconversion of the optical signals and the electrical signals is the core function of the optical module. The optical module is electrically connected with an external upper computer through a golden finger on an internal circuit board of the optical module, and the main electrical connection comprises power supply, I2C signals, data signals, grounding and the like; the optical module realizes optical connection with external optical fibers through an optical interface, the external optical fibers are connected in various ways, and various optical fiber connector types are derived; the method is characterized in that the electric connection is realized by using a golden finger at an electric interface, which becomes the mainstream connection mode of the optical module industry, and on the basis, the definition of pins on the golden finger forms various industry protocols/specifications; the optical connection mode realized by adopting the optical interface and the optical fiber connector becomes the mainstream connection mode of the optical module industry, on the basis, the optical fiber connector also forms various industry standards, such as an LC interface, an SC interface, an MPO interface and the like, the optical interface of the optical module also makes adaptive structural design aiming at the optical fiber connector, and the optical fiber adapters arranged at the optical interface are various.

Fig. 1 is a schematic diagram of connection relationship of an optical communication terminal. As shown in fig. 1, the connection of the optical communication terminal mainly includes the interconnection among the optical network terminal 100, the optical module 200, the optical fiber 101 and the network cable 103;

one end of the optical fiber 101 is connected with a far-end server, one end of the network cable 103 is connected with local information processing equipment, and the connection between the local information processing equipment and the far-end server is completed by the connection between the optical fiber 101 and the network cable 103; and the connection between the optical fiber 101 and the network cable 103 is made by the optical network terminal 100 having the optical module 200.

An optical interface of the optical module 200 is externally accessed to the optical fiber 101, and establishes bidirectional optical signal connection with the optical fiber 101; the electrical interface of the optical module 200 is externally connected to the optical network terminal 100, and establishes a bidirectional electrical signal connection with the optical network terminal 100; bidirectional interconversion of optical signals and electric signals is realized inside the optical module, so that information connection is established between the optical fiber and the optical network terminal; specifically, the optical signal from the optical fiber 101 is converted into an electrical signal by the optical module and then input to the optical network terminal 100, and the electrical signal from the optical network terminal 100 is converted into an optical signal by the optical module and input to the optical fiber 101.

The optical network terminal is provided with an optical module interface 102, which is used for accessing an optical module 200 and establishing bidirectional electric signal connection with the optical module 200; the optical network terminal has a network cable interface 104, which is used for accessing the network cable 103 and establishing a bidirectional electrical signal connection (generally, an electrical signal of an ethernet protocol, which is different from an electrical signal used by an optical module in protocol/type) with the network cable 103; the optical module 200 is connected to the network cable 103 through the optical network terminal 100, specifically, the optical network terminal transmits a signal from the optical module to the network cable and transmits the signal from the network cable to the optical module, and the optical network terminal serves as an upper computer of the optical module to monitor the operation of the optical module. The optical network terminal is an upper computer of the optical module, provides data signals for the optical module and receives the data signals from the optical module, and a bidirectional signal transmission channel is established between the remote server and the local information processing equipment through the optical fiber, the optical module, the optical network terminal and a network cable.

Common local information processing apparatuses include routers, home switches, electronic computers, and the like; common optical network terminals include an optical network unit ONU, an optical line terminal OLT, a data center server, a data center switch, and the like.

Fig. 2 is a schematic diagram of an optical network terminal structure. As shown in fig. 2, the optical network terminal 100 has a circuit board 105, and a cage 106 is disposed on a surface of the circuit board 105; an electrical connector is arranged in the cage 106 and used for accessing an electrical interface (such as a gold finger) of the optical module; the cage 106 is provided with a heat sink 107, and the heat sink 107 has a projection such as a fin that increases a heat radiation area.

The optical module 200 is inserted into an optical network terminal, the electrical interface of the optical module is inserted into the electrical connector inside the cage 106, and the optical interface of the optical module is connected to the optical fiber 101.

The cage 106 is positioned on the circuit board, and the electrical connector on the circuit board is wrapped in the cage, so that the electrical connector is arranged in the cage; the optical module is inserted into the cage, held by the cage, and the heat generated by the optical module is conducted to the cage 106 and then diffused by the heat sink 107 on the cage.

Fig. 3 is a schematic view of an optical module according to an embodiment of the present disclosure, and fig. 4 is a schematic view of an exploded structure of an optical module according to an embodiment of the present disclosure. As shown in fig. 3 and 4, an optical module 200 provided in an embodiment of the present application includes an upper housing 201, a lower housing 202, an unlocking member 500, a circuit board 206, a tosa 207, a tosa 208, an optical fiber adapter 209, and an optical fiber 210.

The upper shell 201 is covered on the lower shell 202 to form a wrapping cavity with two openings; the outer contour of the wrapping cavity is generally a square body, and specifically, the lower shell comprises a main plate and two side plates which are positioned at two sides of the main plate and are perpendicular to the main plate; the upper shell comprises a cover plate, and the cover plate covers two side plates of the upper shell to form a wrapping cavity; the upper shell can also comprise two side walls which are positioned at two sides of the cover plate and are perpendicular to the cover plate, and the two side walls are combined with the two side plates to realize that the upper shell covers the lower shell.

The two openings may be two ends (204, 205) in the same direction, or two openings in different directions; one opening is an electric port 204, and a gold finger of the circuit board extends out of the electric port 204 and is inserted into an upper computer such as an optical network terminal; the other opening is an optical port 205 for external optical fiber access; the photoelectric devices such as the circuit board 206, the transmitter sub-module 207 and the receiver sub-module 208 are positioned in the packaging cavity formed by the upper and lower shells.

The assembly mode of combining the upper shell 201 and the lower shell 202 is adopted, so that the devices such as the light emission sub-module 207, the light receiving sub-module 208, the optical fiber adapter 209, the optical fiber 210 and the like can be conveniently installed in the shells, and the upper shell 201 and the lower shell 202 form an outermost packaging protection shell of the optical module; the upper shell 201 and the lower shell 202 are generally made of metal materials, which is beneficial to realizing electromagnetic shielding and heat dissipation; generally, the housing of the optical module is not made into an integrated component, so that when devices such as a circuit board and the like are assembled, the positioning component, the heat dissipation component and the electromagnetic shielding component cannot be installed, and the production automation is not facilitated.

The unlocking member 500 is located on the outer wall of the package cavity/lower housing 202, and is used to realize the fixed connection between the optical module and the upper computer or release the fixed connection between the optical module and the upper computer.

The unlocking component 500 is provided with a clamping component matched with the upper computer cage; the end of the unlocking component can be pulled to enable the unlocking component to move relatively on the surface of the outer wall; the optical module is inserted into a cage of the upper computer, and the optical module is fixed in the cage of the upper computer by a clamping component of the unlocking component; by pulling the unlocking component, the clamping component of the unlocking component moves along with the unlocking component, so that the connection relation between the clamping component and the upper computer is changed, the clamping relation between the optical module and the upper computer is released, and the optical module can be drawn out from the cage of the upper computer.

The circuit board 206 is provided with circuit traces, electronic components (such as capacitors, resistors, triodes, and MOS transistors), and chips (such as MCU, clock data recovery CDR, power management chip, and data processing chip DSP).

The circuit board 206 connects the electrical devices in the optical module together according to circuit design through circuit wiring to realize electrical functions such as power supply, electrical signal transmission, grounding and the like.

The circuit board is generally a hard circuit board, and the hard circuit board can also realize a bearing effect due to the relatively hard material of the hard circuit board, for example, the hard circuit board can stably bear a chip; when the optical transceiver is positioned on the circuit board, the rigid circuit board can also provide stable bearing; the hard circuit board can also be inserted into an electric connector in the upper computer cage, and specifically, a metal pin/golden finger is formed on the surface of the tail end of one side of the hard circuit board and is used for being connected with the electric connector; these are not easily implemented with flexible circuit boards.

A flexible circuit board is also used in a part of the optical module to supplement a rigid circuit board; the flexible circuit board is generally used in combination with a rigid circuit board, for example, the rigid circuit board may be connected to the optical transceiver device through the flexible circuit board.

The tosa and the rosa may be collectively referred to as an optical subassembly. As shown in fig. 4, the optical module provided in the embodiment of the present application includes an tosa 207 and an rosa 208, and the tosa 207 and the rosa 208 are electrically connected to a circuit board 206. Optionally, the tosa 207 and the rosa 208 are located at an end of the circuit board 206, and the tosa 207 and the rosa 208 are physically separated from the circuit board 206. The tosa 207 and the rosa 208 may be connected to a circuit board through a flexible circuit board, respectively.

In the optical module provided by the embodiment of the application, the optical fiber adapters 209 and the optical fibers 210 are included, for convenience of description, the optical fibers 210 used for connecting with the light-emitting sub-module 207 are referred to as first optical fibers, the optical fibers 210 connected with the light-receiving sub-module 208 are referred to as second optical fibers, the optical fiber adapters 209 connected with the first optical fibers are referred to as first optical fiber adapters, and the optical fiber adapters 209 connected with the second optical fibers are referred to as second optical fiber adapters. The number of the first optical fiber, the second optical fiber, the first optical fiber adapter and the second optical fiber adapter is more than one, and the specific number needs to combine the number of the optical transmit sub-module 207 and the number of the optical receive sub-module 208. Typically, an optical transmit sub-assembly 207 corresponds to a first optical fiber and a first fiber optic adapter, and an optical receive sub-assembly 208 corresponds to a second optical fiber and a second fiber optic adapter.

As shown in fig. 4, the optical module provided in this embodiment includes two tosas 207 and two tosas 208, so the optical module includes 4 optical fiber adapters 209 and 4 optical fibers 210, two first optical fibers and two first optical fiber adapters correspond to the two tosas 207, and two second optical fibers and two second optical fiber adapters correspond to the two tosas 208.

One end of the first optical fiber adapter is connected with the light emission submodule 207 through a first optical fiber, and the other end of the first optical fiber adapter is connected with an external optical fiber, so that signal light generated by the light emission submodule is output to the external optical fiber through the first optical fiber; one end of the second optical fiber adapter is connected with the light receiving sub-module 208 through a second optical fiber, and the other end of the second optical fiber adapter is connected with an external optical fiber, so that signal light from the outside of the optical module is transmitted to the second optical fiber through the external optical fiber and is transmitted to the light receiving sub-module 208 through the second optical fiber.

To facilitate assembly of the tosa 207, the tosa 208, the first fiber optic adapter, the second fiber optic adapter, etc., the first fiber optic is configured to have a length greater than the distance between the tosa 207 and the first fiber optic adapter and the distance between the tosa 208 and the second fiber optic adapter. Meanwhile, in order to prevent the first optical fiber and the second optical fiber from being accumulated near the optical port 205 of the optical module 200 and interfering with the installation of the upper housing 201, the optical module according to the embodiment of the present application further includes a fiber coiling bracket, which is disposed on the lower housing 202 and around which the first optical fiber and the second optical fiber, which are relatively long, are coiled. The first optical fiber and the second optical fiber which are relatively too long are coiled by the fiber coiling bracket, so that the optical fibers can be regularly accommodated, the optical fibers are effectively prevented from being accumulated near an optical port of the optical module, the mounting of an upper shell of the optical module is facilitated, and the first optical fiber and the second optical fiber are prevented from being damaged in the assembling process of the upper shell of the optical module; meanwhile, the first optical fiber and the second optical fiber are prevented from being accumulated in a small space to generate bending, the optical loss caused by the fact that the bending radius is smaller than the minimum bending radius required by the optical fibers is avoided, and the performance of an optical module product is guaranteed.

Fig. 5 is a schematic view of an internal structure of an optical module according to an embodiment of the present application. As shown in fig. 5, a fiber tray 300 is disposed on the bottom surface of the lower housing 202 and between the fiber optic adapter 209 and the optical sub-assembly (between the fiber optic adapter 209 and the end of the circuit board 206 near the optical port), and the optical fiber 210 is coiled on the fiber tray 300. The fiber tray 300 enables the fiber 210 to be received and secured between the fiber optic adapter 209 and the optical sub-assembly. The coiled fiber support 300 may be fixed to the bottom surface of the lower case 202 by screws.

Fig. 6 is an exploded schematic view of a lower housing and a fiber coiling holder according to an embodiment of the present disclosure. As shown in fig. 6, the fiber coiling holder 300 provided in the embodiment of the present application includes a holder base 310 and a plurality of fiber coiling buckles, the fiber coiling buckles are disposed on the holder base 310, the holder base 310 is used for the fiber coiling holder 300 and the lower housing 202, and the fiber coiling buckles are used for winding and supporting the optical fiber 210. Optionally, the bracket base 310 is a circular disc or an elliptical disc-shaped structure, 4 disc fiber buckles are arranged on the bracket base 310, and the 4 disc fiber buckles are uniformly distributed on the bracket base 310. The fiber coiling holder 300 may be an injection molded plastic part.

As shown in fig. 6, the fiber coiling holder 300 provided in the embodiment of the present application further includes a holder pillar 320, one end of the holder pillar 320 is connected to the holder base 310, and the other end of the holder pillar exceeds the top surface of the holder base 310. The bracket column 320 is provided with a mounting hole 321, the corresponding lower shell 202 is provided with a mounting column 400, the fiber coiling bracket 300 is sleeved on the mounting column 400 through the mounting hole 321, and the mounting hole 321 is connected with the mounting column 400 in a matching manner to fix the fiber coiling bracket 300 on the lower shell 202. In order to more conveniently realize the fixed connection of the fiber coiling bracket 300 on the lower shell 202, the inner diameter of the mounting hole 321 is slightly smaller than the outer diameter of the mounting column 400, and the mounting hole 321 and the mounting column 400 are in interference fit to realize the fixation of the fiber coiling bracket 300 on the lower shell 202.

Further, the mounting post 400 is provided with a limiting rib 401, and the corresponding support post 320 is provided with a limiting groove 322, wherein the limiting groove 322 is communicated with the mounting hole 321. When the fiber coiling bracket 300 is assembled and connected with the lower shell 202, the limiting rib 401 is correspondingly matched and connected with the limiting groove 322. In the present application, the limiting ribs 401 appear in pairs, for example, two limiting ribs 401 are arranged on the mounting column 400, and the two limiting ribs 401 are arranged on the mounting column 400 in a centrosymmetric manner. Correspondingly, the two limiting grooves 322 on the support post 320 are also formed in pairs, for example, two limiting grooves 322 are formed on the support post 320, and the two limiting grooves 322 are arranged on the support post 320 in a central symmetry manner. The limiting ribs 401 on the mounting posts 400 and the limiting grooves 322 on the bracket posts 320 help to realize the positioning fixation of the fiber coiling bracket 300 on the lower shell 202, and can ensure the stability of the relative position of the fiber coiling bracket 300 and the lower shell 202 in the use of the optical module.

Fig. 7 is a first cross-sectional view of a fiber coiling holder 300 according to an embodiment of the present disclosure, and fig. 8 is a second cross-sectional view of the fiber coiling holder 300 according to an embodiment of the present disclosure. As shown in fig. 7 and 8, the optical fiber clip on the optical fiber coiling holder 300 provided by the embodiment of the present application includes a plurality of first optical fiber coiling clips 330. The first fiber coil clasp 330 includes a first supporting portion 331 and a first shielding member 332, wherein one end of the first supporting portion 331 is connected to the bracket base 310, and the other end of the first supporting portion 331 is connected to the first shielding member 332. Optionally, the height extending direction of the first supporting portion 331 is perpendicular to the plane of the bottom surface of the bracket base 310, and the straight line of the length extending direction of the first shielding member 332 is perpendicular to the straight line of the height extending direction of the bracket post 320. Furthermore, in the use of the fiber coiling bracket 300, the first shielding member 332 and the first supporting portion 331 cooperate to limit the position of the optical fiber, so as to fix the relative position of the optical fiber in the coiling of the fiber coiling bracket 300.

Further, as shown in fig. 7 and 8, the first shielding member 332 protrudes to both sides of the first supporting portion 331 along a connection portion with the first supporting portion 331, and the first shielding member 332 and the first supporting portion 331 enable the first fiber clasp 330 to form a "T" shape. Specifically, one side of the first supporting portion 331 and the holder post 320 form a second space for winding and receiving the optical fiber, and the other side of the first supporting portion 331 is also used for winding the optical fiber. In use, the first supporting portion 331 blocks the limiting optical fiber in a direction parallel to the bottom surface of the lower housing, and the first shielding member 332 blocks the phase optical fiber in a direction perpendicular to the bottom surface of the lower housing.

As shown in fig. 7, the support post 320 further includes a plurality of fifth shielding portions 323, the fifth shielding portions 323 are disposed on an outer edge of the support post 320, one end of the fifth shielding portions 323 is connected to an outer edge surface of the support post 320, the fifth shielding portions 323 protrude from the outer edge of the support post 320 to the first supporting portion 331, and a straight line of the protruding extending direction of the fifth shielding portions 323 intersects or is collinear with a straight line of the first shielding member 332. In this embodiment, a second gap is formed between the fifth shielding portion 323 and the first shielding member 332, the width of the second gap is smaller than that of the second interval, and then the first supporting portion 331, the first shielding member 332, the fifth shielding portion 323, and the bracket column 320 form a relatively closed optical fiber accommodating space, the optical fiber coiled in the coiled fiber bracket 300 enters the optical fiber accommodating space through the second gap, and the first shielding member 332 and the fifth shielding portion 323 effectively prevent the optical fiber entering the optical fiber accommodating space from separating from the optical fiber accommodating space, thereby effectively improving the limiting and fixing of the optical fiber.

Further, the support post 320 further comprises a reinforcing rib 324, one end of the reinforcing rib 324 is connected with the fifth shielding portion 323 in a supporting manner, and the reinforcing rib 324 is used for reinforcing the firmness of the connection between the fifth shielding portion 323 and the support post 320.

As shown in fig. 7 and 8, the optical fiber coiling clip on the optical fiber coiling bracket 300 provided by the embodiment of the present application includes a second optical fiber coiling clip 340. The second coiling block 340 includes a second supporting portion 341, a third supporting portion 342, a first shielding portion 343, and a second shielding portion 344. One end of the second supporting portion 341 is connected to the holder base 310, the other end of the second supporting portion 341 is connected to the first shielding portion 343 in a supporting manner, and the second supporting portion 341 and the first shielding portion 343 form a structure in a shape of "7"; one end of the third supporting portion 342 is connected to the bracket base 310, the other end of the third supporting portion 342 is connected to the second shielding portion 344 in a supporting manner, and the third supporting portion 342 and the second shielding portion 344 form a structure with a reverse "7" shape. Optionally, the length extension direction of the second support portion 341 is parallel to the length extension direction of the third support portion 342; for example, the straight line of the second supporting portion 341 and the straight line of the third supporting portion 342 are perpendicular to the plane of the bottom surface of the bracket base 310; a first interval is formed between the second supporting portion 341 and the third supporting portion 342. The edge of the first shielding portion 343 and the edge of the second shielding portion 344 form a first gap, the width of the first gap is smaller than the width of the first interval, and then a relatively closed fiber accommodating space is formed between the first shielding portion 343 and the second shielding portion 344 of the second supporting portion 341, the third supporting portion 342, the optical fiber coiled by the fiber coiling bracket 300 enters the fiber accommodating space through the first gap, the first shielding portion 343 and the second shielding portion 344 effectively prevent the optical fiber entering the fiber accommodating space from being separated from the fiber accommodating space, and further the second supporting portion 341, the third supporting portion 342, the first shielding portion 343 and the second shielding portion 344 cooperate to limit and fix the optical fiber coiled by the fiber coiling bracket 300, thereby effectively improving the limit and fixation of the optical fiber.

In the embodiment of the present application, optionally, the coiled fiber holder 300 includes a plurality of first coiled fiber buckles 330 or a plurality of second coiled fiber buckles 340. Such as: the fiber coiling bracket 300 comprises 4 first fiber coiling buckles 330 which are uniformly arranged; the fiber coiling bracket 300 comprises 4 second fiber coiling buckles 340 which are uniformly distributed. Preferably, the coiled fiber bracket 300 includes a plurality of first coiled fiber buckles 330 and a plurality of second coiled fiber buckles 340, and the first coiled fiber buckles 330 and the second coiled fiber buckles 340 are alternately arranged on the bracket base 310. As shown in fig. 6 to 8, the fiber coiling holder 300 includes 2 first fiber coiling buckles 330 and 2 second fiber coiling buckles 340, and the 2 first fiber coiling buckles 330 and the 2 second fiber coiling buckles 340 are alternately and uniformly arranged on the holder base 310.

In the embodiment of the present application, 2 first optical fiber clips 330 are located on the same diameter of the bracket base 310, that is, the 2 first optical fiber clips 330 are disposed on the bracket base 310 with the center of the bottom surface of the bracket base 310 as the symmetry center; the 2 second fiber coiling buckles 340 are located on the same diameter of the bracket base 310, that is, the 2 second fiber coiling buckles 340 are arranged on the bracket base 310 with the center of the bottom surface of the bracket base 310 as the symmetry center. And the first coiled fiber clamp 330 and the second coiled fiber clamp 340 are arranged on the bracket base 310 in a spaced manner. Optionally, a connection line of the 2 second fiber coiling buckles 340 is perpendicular to a connection line of the 2 second fiber coiling buckles 340.

Fig. 9 is a use state diagram of a fiber coiling holder provided in an embodiment of the present application, fig. 10 is a first sectional view of the fiber coiling holder provided in the embodiment of the present application, and fig. 11 is a second sectional view of the fiber coiling holder provided in the embodiment of the present application. Fig. 9 to 11 illustrate a state in which an optical fiber is accommodated in a fiber winding of a fiber winding holder 300 according to an embodiment of the present disclosure.

As shown in fig. 9-11, the fiber coiling holder 300 is fixed to the mounting post 400 of the lower housing 202 by the holder post 320. Specifically, the method comprises the following steps: the connecting line of the two first optical fiber coil fasteners 330 is perpendicular to the length extension direction of the optical module; the connecting line of the two second coiled fiber buckles 340 is parallel to the length extending direction of the optical module. The first supporting portion 331 is used for limiting the coiled fiber in the left-right direction, the first shielding member 332, the first shielding portion 343, the second shielding portion 344, and the fifth shielding portion 323 are used for limiting the coiled fiber in the up-down direction, and the second supporting portion 341 and the third supporting portion 342 are used for limiting the coiled fiber in the front-back direction. The left-right direction refers to the width direction of the optical module, the up-down direction refers to the height direction of the optical module, and the front-back direction refers to the length direction of the optical module.

Further, the first optical fiber clip 330 is close to the side plate of the lower housing 202 but spaced apart from the side plate of the lower housing 202, and the space is used for accommodating and fixing the optical fiber. For example, the first supporting portion 331 forms a third space with the side plate of the lower case 202, and the first shielding member 332 shields the third space. Further, as shown in fig. 9 and 10, the optical fibers 210-1 and 210-2 shuttle between the optical fiber accommodating space formed between the first optical fiber coil 330 and the holder post 320, the gap formed between the first optical fiber coil 330 and the lower housing 202, and the optical fiber accommodating space formed between the second optical fiber coil 340, so as to accommodate the optical fibers 210-1 and 210-2. Each optical fiber is coordinated and selected according to the position of the corresponding adapter and the optical sub-module, so that an optical fiber accommodating space is formed between the first optical fiber buckle 330 and the support column 320, a gap is formed between the first optical fiber buckle 330 and the lower shell 202, and an optical fiber accommodating space is formed between the second optical fiber buckle 340, which is beneficial to ensuring that the radius of each bending part of each optical fiber is not less than 5mm when each optical fiber is accommodated, and the service performance of each optical fiber is ensured. Such as: the optical fiber 210-1 is received and fixed through the optical fiber receiving space formed between the right first disc fiber clamp 330 and the bracket column 320, the optical fiber receiving space formed between the second disc fiber clamp 340, and the gap formed between the left first disc fiber clamp 330 and the lower housing 202; the optical fiber 210-1 is received and fixed through the optical fiber receiving space formed between the left first optical fiber coil 330 and the bracket column 320, the optical fiber receiving space formed between the second optical fiber coil 340, and the gap formed between the right first optical fiber coil 330 and the lower housing 202.

In the embodiment of the present application, the fiber receiving space formed between the first fiber tray 330 and the bracket column 320, the gap formed between the first fiber tray 330 and the lower housing 202, and the fiber receiving space formed between the second fiber tray 340 are cooperatively selected according to the positions of the optical fiber 210 and the optical sub-module and the corresponding adapters of the optical fibers, so as to avoid the bending radius of the optical fibers in the optical fibers 210 from being too small.

As shown in fig. 10 and 11, the top end of the mounting post 400 is further provided with an upper shell mounting hole 402, and the upper shell mounting hole 402 is used for fixedly connecting the lower shell 202 and the upper shell of the optical module. For example, the upper housing and the upper housing mounting holes 402 are screwed to fixedly couple the lower housing 202 to the upper housing.

Fig. 12 is a schematic structural diagram of an unlocking component according to an embodiment of the present application. As shown in fig. 12, the unlocking member 500 provided in the embodiment of the present application includes a handle 510, an unlocking device 520, a bridge 523, and a spring hook. The unlocking device 520 is connected with the lower shell, a locking hook is arranged at one end of the unlocking device 520, and the locking hook is used for achieving mechanical connection of the optical module and the cage and achieving locking of the optical module and the cage. The other end of the unlocker 520 is connected to the handle 510 via a bridge 523, and the handle 510 facilitates pulling of the unlocker 520.

Corresponding to the spring hook, a spring groove is formed in the top of the light opening of the lower shell 202, a spring is arranged in the spring groove, and the spring hook is clamped on the spring in the corresponding spring groove. The spring hook is arranged below the bridging piece 523, wherein one end of the spring hook is connected with the bridging piece 523, the other end of the spring hook is clamped on the spring, and the spring hook is used for extruding the spring. In the mechanical connection and disconnection process of the locking hook and the cage, the unlocking device 520 moves to enable the spring hook to extrude the spring, and after the locking hook and the mechanical connection and disconnection of the cage, the spring returns to enable the lower shell to move towards the pulling direction of the handle, so that the unlocking component 500 resets on the lower shell.

Fig. 13 is a side view of an unlocking member provided in an embodiment of the present application, and fig. 14 is a top view of an unlocking member provided in an embodiment of the present application. As shown in fig. 12 to 14, the unlocking part 520 includes a first unlocking part 521 and a second unlocking part 522, and a bridge 523 connects the first unlocking part 521 and the second unlocking part 522.

The first unlocking part 521 is provided on and movable on a side wall of one side of the lower case, and the second unlocking part 522 is connected to and movable on a side wall of the other side of the lower case. For convenience of description, a sidewall of one side of the lower case is referred to as a first sidewall, and a sidewall of the other side of the lower case is referred to as a second sidewall, the first sidewall being opposite to the second sidewall, and further the first unlocking part 521 is disposed on a surface of the first sidewall and is movable on the first sidewall, and the second unlocking part 522 is disposed on a surface of the second sidewall and is movable on the second sidewall. For example, when the handle 510 is pulled, the handle 510 moves the first unlocking portion 521 on the first sidewall and the second unlocking portion 522 on the second sidewall via the bridge 523. One end of the first unlocking part 521 or one end of the second unlocking part 522 is provided with a locking hook, and the locking hook is used for locking the unlocking device and the cage, so that the optical module and the cage are locked.

Optionally, one end of the first unlocking portion 521 is provided with a first locking hook 524, and the first locking hook 524 is used for locking the first unlocking portion 521 and the cage; one end of the second unlocking part 522 is also provided with a second locking hook 525, and the second locking hook 525 is used for locking the second unlocking part 522 with the cage. Therefore, the first locking hook 524 on the first unlocking part 521 is combined with the second locking hook 525 on the second unlocking part 522 to lock the optical module and the cage, so that the locking firmness of the optical module and the cage is ensured, and meanwhile, in the process of unlocking the optical module and the cage, the stress of the unlocking component 500 is balanced, so that the service life of the unlocking component 500 is conveniently ensured.

The other end of the first unlocking portion 521 and the other end of the second unlocking portion 522 are connected to a bridge 523. For example, the other end of the first unlocking part 521 is connected to one end of the bridge 523, and the other end of the second unlocking part 522 is connected to the other end of the bridge 523. Further, the bridge 523 is disposed at the top of the light opening of the lower housing, covers the spring slot, and encapsulates the spring in the spring slot, thereby effectively preventing the spring from being ejected from the top of the spring slot. Usually, after the assembly of the unlocking component is completed, the spring is extruded by the spring clamping hook, so that the spring is in a compressed state, and the responsiveness of the spring is ensured.

When the unlocking member 500 is used, the handle 510 is pulled, the handle 510 drives the unlocking device 520 to move through the bridging piece 523, and the unlocking device 520 moves to separate the mechanical connection between the first locking hook 524 of the first unlocking part 521 and the second locking hook 525 of the second unlocking part 522 and the cage, so as to unlock the optical module and the cage; and in the mechanical connection and disconnection process of the locking hook and the cage, the unlocking device 520 moves to enable the spring hook to extrude the spring, and after the locking hook and the mechanical connection and disconnection of the cage, the spring returns to enable the lower shell to move towards the pulling direction of the handle, so that the unlocking part is reset on the lower shell.

In the embodiment of the present application, the handle 510 may be an injection molded part, the unlocking device 520 may be a sheet metal part, and the bridge 523 may be integrally formed with the first unlocking part 521 and the second unlocking part 522. To facilitate the connection of the handle 510 to the bridge 523 and to ensure the firmness of the connection between the handle 510 and the bridge 523, the handle 510 further includes a connecting portion 511. Fig. 15 is an exploded view of another optical module according to an embodiment of the present application. As shown in fig. 12-15, a connection 511 is located at one end of the handle 510, the connection 511 connecting to a bridge 523. For example, the bridge 523 is injection molded around the connection portion 511, so as to further ensure the firmness of the connection between the unlocking device 520 and the bridge 523.

In the embodiment of the present application, as shown in fig. 14 and 15, the spring hook includes a first spring hook 531 and a second spring hook 532, so as to ensure the uniformity of the force applied to the unlocking device 520. In order to meet the strength requirement of the first spring hook 531 and the second spring hook 532, the first spring hook 531 and the second spring hook 532 are connected to the unlocking device 520, and are made of metal plate together with the unlocking device 520. For example, the first spring hook 531 and the second spring hook 532 are connected to the bridge member 523, the connection portion 511 wraps the connection portions of the first spring hook 531 and the second spring hook 532 with the bridge member 523, and the connection portions of the first spring hook 531 and the second spring hook 532 with the bridge member 523 are embedded in the connection portion 511.

In order to facilitate the movement of the unlocking member 520 on the outer wall of the lower case and to secure the connection between the unlocking member 520 and the side wall of the lower case, as shown in fig. 12 and 13, the first unlocking part 521 is provided with a first through hole 526 and a first guide groove 527. The first through hole 526 is adjacent to the first locking catch 524, and the first guide groove 527 is adjacent to the bridge 523. Alternatively, the first guide groove 527 is disposed on the end surface of the other end of the first unlocking portion 521, the depth of the first guide groove 527 extends toward the first locking hook 524, and the opening of the first guide groove 527 is located on the end surface of the other end of the first unlocking portion 521.

Alternatively, as shown in fig. 12 and 13, the second unlocking portion 522 is provided with a second through hole 528 and a second guide groove 529. The second through hole 528 is adjacent to the second locking catch 525, and the second guide groove 529 is adjacent to the bridge 523. Alternatively, a second guide groove 529 is provided on the end surface of the other end of the second unlocking portion 522, the depth of the second guide groove 529 extends toward the second locking hook 525, and the opening of the second guide groove 529 is located on the end surface of the other end of the second unlocking portion 522.

Correspondingly, the outer wall of the lower shell is provided with a limiting column and a guide column. Fig. 16 is a schematic structural diagram of a lower housing according to an embodiment of the present application. As shown in fig. 15 and 16, the sidewall (first sidewall) of one side of the lower casing 202 provided in the embodiment of the present application is provided with a first stopper post 2024 and a first guide post 2023, and the first stopper post 2024 and the first guide post 2023 may be formed by sinking the surface of the sidewall of the lower casing 202. In addition, a second limiting column and a second guiding column (which are shielded by the side wall on the other side of the lower housing 202) are arranged on the side wall (the second side wall) on the other side of the lower housing 202 provided in the embodiment of the present application.

When the unlocking member 500 is assembled to the lower housing 202, the first through hole 526 is sleeved on the first position-limiting post 2024, the first guide post 2023 is inserted into the first guide groove 527 along the opening of the first guide groove 527, the second through hole 528 is sleeved on the second position-limiting post, and the second guide post is inserted into the second guide groove 529 along the opening of the second guide groove 529, so that the first unlocking portion 521 and the second unlocking portion 522 are connected to the corresponding side walls of the lower housing 202. The dragging handle 510, the movable direction of the first limit post 2024 relative to the first through hole 526 is parallel to the movable direction of the first guide post 2023 relative to the first guide groove 527; the movable direction of the second restraint post relative to the second through hole 528 is parallel to the movable direction of the second guide post relative to the second guide groove 529.

When the optical module is required to be unlocked from the cage, the handle 510 is dragged, the handle 510 drives the unlocking device 520 through the bridge 523, so that the first unlocking part 521 moves along the extending direction of the first limiting column 2024 and the first guide column 2023, and the second unlocking part 522 moves along the extending direction of the second limiting column and the second guide column, thereby ensuring that the first unlocking part 521 is always connected with the first side wall of the lower housing and the second unlocking part 522 is always connected with the second side wall in the process of unlocking the optical module from the cage, and simultaneously ensuring that the unlocking part is reset on the lower housing.

As shown in fig. 15 and 16, the lower case 202 includes a bottom surface, a first sidewall provided at one side in a length direction of the bottom surface, a second sidewall provided at the other side in the length direction of the bottom surface, and an upper cover 2020 provided at one end of the bottom surface to be connected to the first sidewall and the second sidewall. A first spring groove 2021 and a second spring groove 2022 are provided on the top surface of the upper cover plate 2020. The first spring pocket 2021 is used for accommodating the first spring 211, and the second spring pocket 2022 is used for accommodating the second spring 212. The first spring hook 531 serves to compress the first spring 211, and the second spring hook 532 serves to compress the second spring 212.

As shown in fig. 15 and 16, the first spring pocket 2021 includes a bottom surface 221, a first side surface 222, and a second side surface 223. The bottom surface 221 extends along the length direction of the optical module, the first side surface 222 is arranged on one side of the bottom surface 221 in the length direction, the second side surface 223 is arranged on the other side of the bottom surface 221 in the length direction, and the bottom surface 221, the first side surface 222 and the second side surface 223 form notches on the end surface of the upper cover 2020, so that the first spring 211 is convenient to mount.

Correspondingly, the second spring groove 2022 may also include a bottom surface, a first side surface and a second side surface, the first side surface is disposed on one side of the bottom surface in the length direction, the second side surface is disposed on the other side of the bottom surface in the length direction, and the bottom surface, the first side surface and the second side surface form a notch on the end surface of the upper cover 2020, which facilitates the installation of the second spring 212.

In the embodiment of the present application, in order to cooperate with the unlocking device 520, a locking slot is disposed on the sidewall of the lower housing 202. For example, a first locking slot 241 is disposed on a first side wall of the lower housing 202, and the first locking slot 241 is used for limiting the first unlocking portion 521; a second locking clamping groove (shielded and not shown) is formed in a second side wall of the lower housing 202, and the second locking clamping groove is used for limiting the second unlocking part 522. Optionally, the first locking slot 241 is disposed at a position corresponding to the first locking hook 524, and an end of the first locking hook 524 is clamped in the first locking slot 241; the setting position of second locking draw-in groove is corresponding with second locking trip 525, and the tip card of second locking trip 525 establishes in the second locking draw-in groove. The first and

second locking notches

241 and 241 may be formed by sinking an outer surface of a sidewall of the lower case 202.

Fig. 17 is a schematic structural diagram of an optical module with an unlocking component removed according to an embodiment of the present application. As shown in fig. 17, an end surface of the upper case 201 contacts an end surface of the upper cover 2020, and the end surface of the upper case 201 may seal notches formed in the end surface of the upper cover 2020 by the first spring groove 2021 and the second spring groove 2022.

In the present implementation, the fiber optic adapter is secured to the lower housing 202. To facilitate the fixing of the optical fiber adapter, as shown in fig. 16 and 17, a first supporting bench 2025 and a second supporting bench 2027 are further disposed on the inner cavity side of the lower housing 202, and a first locking groove 2026 is disposed between the first supporting bench 2025 and the second supporting bench 2027. The first 2025 and second 2027 support platforms support the adapter 209, and the first groove 2026 is used to fix the adapter 209 when the housing 201 of the gasket 600 is assembled to the lower housing 202, the gasket 600 disposed in the first groove 2026 is pressed.

Fig. 18 is an assembly cross-sectional view of an upper shell and a lower shell of an optical module according to an embodiment of the present application, and fig. 19 is an exploded schematic view of the upper shell and the lower shell of the optical module according to the embodiment of the present application. With reference to fig. 18 and 19, the gasket 600 is disposed above the optical fiber adapter 209, the upper housing 201 presses the gasket 600 to press the gasket 600 against the optical fiber adapter 209, and then the optical fiber adapter is fixed by the upper housing 201, the lower housing 202 and the gasket 600, which facilitates the fixing of the optical fiber adapter, and the installation is simple and convenient.

In the present embodiment, the fiber optic adapter 209 includes an adapter body 2091 and a protrusion 2092. The protrusion 2092 is located on a surface of the adapter body 2091, the protrusion 2092 forming a protrusion with respect to the adapter body 2091. Projection 2092 includes a side wall, a first side surface, and a second side surface.

The first and second supporting

stages

2025 and 2027 may be formed by upwardly protruding inner surfaces of the lower case 202. The first supporting table 2025 and the second supporting table 2027 respectively include a plurality of arc surfaces 271, and the arc surfaces 271 facilitate the supporting table 2027 to support the protrusion 2092.

The first supporting table 2025 and the second supporting table 2027 further include a plurality of supporting planes 272, a portion of the supporting planes 272 are located at the end of the supporting table 2027, and the portion of the supporting planes 272 connect the adjacent circular arc surfaces 271. The support surface 272 supports the bottom surface of the spacer 600 for compressing the spacer 600 to secure the fiber optic adapter 209. Further, the first supporting table 2025 and the second supporting table 2027 further include a plurality of blocking protrusions 273, and the blocking protrusions 273 are disposed on one side of the supporting plane 272 and connect the arc surface 271 with the supporting plane 272.

The gasket 600 may be made of rubber or the like. The upper shell 201 and the lower shell 202 are combined to extrude the gasket 600 to enable the gasket to extrude the optical fiber adapter 209, so that the gasket 600 can play a role in sealing the periphery of the optical fiber adapter 209, and further the EMC performance of the optical module is improved conveniently. In order to facilitate the gasket 600 to press and fix the fiber adapter 209, a second locking groove 2011, a structure of the second locking groove 2011 and a first locking groove 2026 forming the reference lower housing 202 are provided on the upper housing 201. In the present embodiment, the gasket 600 includes a first gasket 610 and a second gasket 620. The first spacer 610 is disposed below the fiber optic adapter 209 and the second spacer 620 is disposed above the fiber optic adapter 209, wherein the below of the fiber optic adapter 209 is closer to the bottom surface of the lower housing 202. First shim 610 is disposed within first card slot 2026 and second shim 620 is disposed within second card slot 2011.

Fig. 20 is a schematic structural diagram of a first gasket according to an embodiment of the present disclosure. As shown in fig. 20, the first spacer 610 provided in this embodiment of the application includes a spacer body 611, the spacer body 611 includes a first supporting surface 612 and a second supporting surface 613, a step surface 614 is disposed between the first supporting surface 612 and the second supporting surface 613, the first supporting surface 612 is used for supporting a side surface of the distributor main body 2091, and the second supporting surface 613 is used for supporting a side wall of the protrusion 2092. Preferably, the first supporting surface 612 and the second supporting surface 613 are curved surfaces with undulation. The bottom surface of the gasket body 611 contacts the bottom surface of the first locking groove 2026.

In this embodiment, the second gasket 620 may have the same structure as the first gasket 610, and the second gasket 620 includes a gasket body, the gasket body includes a first supporting surface and a second supporting surface, a step surface is disposed between the first supporting surface and the second supporting surface, the first supporting surface is used to contact the side surface of the distributor main body 2091, and the second supporting surface is used to contact the side wall of the protrusion 2092. The bottom surface of the pad body contacts the bottom surface of the second catching groove 2011.

After the upper housing 201 and the lower housing 202 are assembled and connected, the upper housing 201 extrudes the second gasket 620 to enable the second gasket 620 to deform, the lower housing 202 extrudes the first gasket 610 to enable the first gasket 610 to deform, the deformed first gasket 610 and the deformed second gasket 620 extrude the optical fiber adapter 209, and meanwhile, the bosses which are matched with the first supporting table 2025, the second supporting table 2027 and the upper housing 201 to form the second clamping groove 2011 achieve the effect of fixing the optical fiber adapter 209.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A light module, comprising:

a lower housing;

a circuit board disposed on the lower case;

2. The optical module of claim 1, wherein the fiber coil clip comprises a plurality of first fiber coil clips, and the first fiber coil clips comprise a first supporting portion and a first shielding member; one end of the first supporting part is connected with the bracket base, the other end of the first supporting part is connected with the first shielding part, and the first shielding part protrudes towards two sides of the first supporting part along the first supporting part.

3. The optical module according to claim 1 or 2, wherein the fiber coiling buckle further comprises a plurality of second fiber coiling buckles, and each second fiber coiling buckle comprises a second supporting part, a third supporting part, a first shielding part and a second shielding part;

one end of the second supporting part and one end of the third supporting part are respectively connected with the bracket base, the length extending direction of the second supporting part is parallel to that of the third supporting part, and a first interval is formed between the second supporting part and the third supporting part;

the other end of the second supporting part is connected with the first shielding part, the other end of the third supporting part is connected with the second shielding part, the first shielding part and the second shielding part protrude in opposite directions, and a first gap is formed between the edge of the first shielding part and the edge of the second shielding part.

4. The optical module according to claim 2, wherein a mounting post is disposed on a bottom surface of the lower housing, a bracket post is disposed on the bracket base, a bracket mounting hole is disposed on the bracket post, and the mounting post is connected to the bracket mounting hole in a matching manner so that the mounting post is connected to the bracket post in a supporting manner; a second space is formed between the support column and the first support part.

5. The optical module according to claim 4, wherein a fifth shielding portion is disposed on an outer edge of the bracket post, the fifth shielding portion protrudes from the outer edge of the bracket post toward the first supporting portion, and a second gap is formed between the fifth shielding portion and the first shielding member.

6. The optical module of claim 2, wherein the fiber coil clip further comprises a plurality of second fiber coil clips, and the first fiber coil clip and the second fiber coil clip are alternately disposed on the bracket base.

7. The optical module according to claim 4, wherein the optical fiber coiling buckles comprise two first optical fiber coiling buckles, the two first optical fiber coiling buckles are symmetrically arranged on the bracket base, and a connecting line of the two first optical fiber coiling buckles is perpendicular to a length extending direction of the optical module;

the optical module is characterized in that the optical fiber coiling buckles comprise two second optical fiber coiling buckles, the two second optical fiber coiling buckles are symmetrically arranged on the bracket base, and the connecting line of the two second optical fiber coiling buckles is parallel to the length extending direction of the optical module.

8. The optical module according to claim 4, wherein a limiting groove is formed in the bracket post, the limiting groove communicates with the bracket mounting hole, a limiting rib is formed in the mounting post, and the limiting groove is connected with the limiting rib in a matching manner.

9. The optical module according to claim 5, wherein a rib is disposed on an outer edge of the bracket post, and the rib supports and connects one end of the fifth shielding portion.

10. The optical module according to claim 4, wherein top ends of the mounting posts are provided with upper housing mounting holes for fixedly connecting the lower housing and an upper housing of the optical module.