WO2021253773A1

WO2021253773A1 - Optical module

Info

Publication number: WO2021253773A1
Application number: PCT/CN2020/137752
Authority: WO
Inventors: 叶书华; 司宝峰
Original assignee: 青岛海信宽带多媒体技术有限公司
Priority date: 2020-06-16
Filing date: 2020-12-18
Publication date: 2021-12-23

Abstract

An optical module, comprising an upper shell (201); a lower shell (202) connected to the upper shell (201) in a covering mode and comprising a bottom surface, and a first side wall and a second side wall provided on both sides of the bottom surface, wherein a baffle (2028) is further provided at one end of the bottom surface and connected to the first side wall and the second side wall, a plurality of adapter through holes (2025) are formed in the baffle (2028), a support platform (2027) is further provided on the lower shell (202), and the support platform (2027) is provided on one side of the baffle (2028); a plurality of optical fiber adapters (209) provided in the corresponding adapter through holes (2025) and supported by the support platform (2027); and a gasket provided above the optical fiber adapter (209). The upper shell (201) extrudes the gasket so that the optical fiber adapter (209) is fixed on the lower shell (202). According to the optical module, the optical fiber adapter (209) is fixed by means of the upper shell (201), the lower shell (202) and the gasket, and it is convenient to fix the optical fiber adapter (209).

Description

An optical module

This disclosure requires that it be submitted to the Chinese Patent Office on June 16, 2020, the application number is 202021111369.7, the patent name is "a kind of optical module", and it is submitted to the China Patent Office on June 16, 2020, the application number is 202021112884.7, and the patent name is "A kind of optical module", submitted to the Chinese Patent Office on June 16, 2020, the application number is 202010550444.8, the patent name is "a kind of optical module", submitted to the China Patent Office on June 16, 2020, the application number is 202010549620.6 The patent name is "a kind of optical module", the entire content of which is incorporated in this disclosure by reference.

Technical field

The present disclosure relates to the field of optical communication technology, and in particular to an optical module.

Background technique

In cloud computing, mobile Internet, video and other new business and application modes, optical communication technology will be used. The optical module realizes the function of photoelectric conversion in the field of optical communication technology and is one of the key components in optical communication equipment. The intensity of the optical signal input from the optical module to the external optical fiber directly affects the quality of optical fiber communication.

At present, as the transmission rate of optical modules continues to increase, the transmission channels in optical modules continue to increase. For example, the optical module includes two sets of optical emission sub-modules and two sets of optical receiving sub-modules. The volume occupied by the receiving sub-module in the optical module continues to increase. Therefore, when the overall volume of the optical module is limited, the space reserved for other functional components will be relatively reduced. Therefore, how to realize the functions of various components in the increasingly reduced space is a technical problem to be solved urgently by those skilled in the art.

Summary of the invention

In a first aspect, an optical module provided by the present disclosure includes: an upper housing; a lower housing, which is connected to the upper housing and includes a bottom surface, and first and second side walls provided on both sides of the bottom surface, One end of the bottom surface is also provided with an upper cover plate, the upper cover plate connects the first side wall and the second side wall, the top surface of the upper cover plate is provided with a spring groove, and a spring is arranged in the spring groove; the unlocking part is connected to the side of the lower housing Wall; wherein the unlocking component includes: an unlocking device, including a first unlocking part and a second unlocking part, the first unlocking part is connected to the first side wall, the second unlocking part is connected to the second side wall, one end of the first unlocking part and the first One ends of the two unlocking parts are respectively provided with a locking hook; a bridge piece, which connects the other end of the first unlocking part and the other end of the second unlocking part; a handle, which connects the bridge piece; a spring hook, one end is arranged below the bridge piece The connecting bridge piece and the other end are clamped on the spring.

In a second aspect, an optical module provided by the present disclosure includes: a circuit board; an optical emission sub-module connected to the circuit board for outputting signal light; an optical receiving sub-module connected to the circuit board for receiving Signal light outside the optical module; a first optical fiber, one end connected to the light emitting sub-module, used to transmit the signal light output by the light emitting sub-module; a second optical fiber, one end connected to the light receiving sub-module, used to The signal light from the outside of the optical module is transmitted to the light receiving sub-module; the first optical fiber adapter, one end is connected to the other end of the first optical fiber, and the other end is used to connect the external optical fiber; the second optical fiber adapter, one end is connected to the first optical fiber The other end of the two optical fibers is used to connect an external optical fiber; the coiled fiber holder is arranged on the circuit board and is used to coil the first optical fiber and the second optical fiber; wherein, the side of the circuit board A first positioning port and a second positioning port are provided on the upper side; a first fixing buckle and a second fixing buckle are provided on the fiber coil support corresponding to the first positioning port and the second positioning port, and the first A fixed buckle fits and connects to the first positioning opening, and the second fixed buckle fits and connects to the second positioning opening.

In a third aspect, an optical module provided by the present disclosure includes: an upper housing; a lower housing, which is connected to the upper housing and includes a bottom surface; Two side walls, one end of the bottom surface is also provided with a baffle, the baffle connects the first side wall and the second side wall, a number of adapter through holes are provided on the baffle, and the lower housing It also includes a supporting table, the supporting table is arranged on one side of the baffle; a number of optical fiber adapters are arranged in the corresponding through holes of the adapter and supported by the supporting table; and the spacer is arranged on the optical fiber Above the adapter, the upper casing squeezes the gasket to fix the optical fiber adapter on the lower casing.

In a fourth aspect, an optical module provided by the present disclosure includes: an upper housing; a lower housing, including a bottom plate, a first side plate, a second side plate, an upper cover plate, and a baffle; the first side plate and The second side plates are respectively bent relative to the bottom plate; one end of the first side plate is connected to the bottom plate, and the other end is connected to the upper cover plate; one end of the second side plate is connected to the bottom plate Connected, the other end is connected to the upper cover plate; the upper cover plate covers a part of the bottom plate; the upper shell is closed on the first side plate and the second side plate, covering all Another partial area of the bottom plate; one end of the baffle is connected to the inner wall of the first side plate, and the other end is connected to the inner wall of the second side plate; the baffle is provided with a through hole; a support platform is provided On the surface of the bottom plate, the lower part of the fiber optic adapter is arranged on the supporting table and extends into the through hole; The fiber optic adapter.

Description of the drawings

In order to explain the technical solutions of the present disclosure more clearly, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, for those of ordinary skill in the art, without creative labor, Other drawings can be obtained from these drawings.

Figure 1 is a schematic diagram of the connection relationship of an optical communication terminal;

Figure 2 is a schematic diagram of the structure of an optical network unit;

FIG. 3 is a schematic structural diagram of an optical module provided by an embodiment of the disclosure;

4 is a schematic diagram of an exploded structure of an optical module provided by an embodiment of the disclosure;

5 is a schematic diagram of the internal mechanism of an optical module provided by an embodiment of the disclosure;

FIG. 6 is a schematic diagram of an assembly structure of a circuit board and a fiber support provided by an embodiment of the disclosure;

7 is a schematic diagram of an exploded structure of a circuit board and a fiber support provided by an embodiment of the disclosure;

FIG. 8 is a perspective view of a coiled fiber support provided by an embodiment of the disclosure;

FIG. 9 is a schematic diagram of the internal mechanism of another optical module provided by an embodiment of the present disclosure;

FIG. 10 is a schematic diagram of an assembly structure of a circuit board and a fiber support provided by an embodiment of the disclosure; FIG.

FIG. 11 is a cross-sectional view of another circuit board and fiber support provided by an embodiment of the disclosure;

FIG. 12 is a schematic diagram of an exploded structure of another circuit board and a fiber support provided by an embodiment of the present disclosure;

FIG. 13 is a perspective view 1 of another coiled fiber support provided by an embodiment of the disclosure; FIG.

FIG. 14 is a second perspective view of another fiber support bracket provided by an embodiment of the present disclosure;

15 is a schematic structural diagram of an unlocking component provided by an embodiment of the disclosure;

Figure 16 is a side view of an unlocking component provided by an embodiment of the disclosure;

Figure 17 is a top view of an unlocking component provided by an embodiment of the disclosure;

FIG. 18 is an exploded view of another optical module provided by an embodiment of the disclosure;

FIG. 19 is a schematic structural diagram of a lower housing provided by an embodiment of the disclosure;

FIG. 20 is a schematic structural diagram of an optical module with an unlocking component removed according to an embodiment of the disclosure; FIG.

FIG. 21 is an exploded schematic diagram of an upper housing and a lower housing of an optical module provided by an embodiment of the present disclosure;

22 is a schematic diagram of a partial structure of a lower housing provided by an embodiment of the present disclosure;

FIG. 23 is a partial exploded schematic diagram of a lower housing provided by an embodiment of the present disclosure;

24 is a cross-sectional view of an upper housing and a lower housing provided by an embodiment of the disclosure;

FIG. 25 is an exploded cross-sectional view of an upper casing and a lower casing provided by an embodiment of the disclosure.

detailed description

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present disclosure.

One of the core links of optical fiber communication is the mutual conversion of optical and electrical signals. Optical fiber communication uses information-carrying optical signals to be transmitted in optical fibers/optical waveguides and other information transmission equipment, and the passive transmission characteristics of light in optical fibers/optical waveguides can achieve low-cost and low-loss information transmission; and computers and other information processing equipment Electrical signals are used. In order to establish an information connection between information transmission equipment such as optical fibers/optical waveguides and information processing equipment such as computers, it is necessary to realize mutual conversion between electrical signals and optical signals.

The optical module realizes the above-mentioned mutual conversion function of optical and electrical signals in the field of optical fiber communication technology, and the mutual conversion of optical signals and electrical signals is the core function of the optical module. The optical module realizes the electrical connection with the external host computer through the golden fingers on the internal circuit board. The main electrical connections include power supply, I2C signal, data signal and grounding, etc.; the optical module realizes the optical connection with the external optical fiber through the optical interface , There are many ways to connect external optical fibers, and a variety of optical fiber connector types are derived; the use of golden fingers to realize electrical connections at electrical interfaces has become the mainstream connection method in the optical module industry. The definition of the pin has formed a variety of industry protocols/standards; the optical connection method realized by the optical interface and the optical fiber connector has become the mainstream connection method in the optical module industry. Based on this, the optical fiber connector has also formed a variety of industry standards. Such as LC interface, SC interface, MPO interface, etc., the optical interface of the optical module is also designed for the adaptable structure of the optical fiber connector. Therefore, the optical fiber adapter set at the optical interface has many types.

Figure 1 is a schematic diagram of the connection relationship of an optical communication terminal. As shown in FIG. 1, the connection of the optical communication terminal mainly includes the interconnection between 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 to the remote server, and one end of the network cable 103 is connected to the local information processing equipment. The connection between the local information processing equipment and the remote server is completed by the connection of the optical fiber 101 and the network cable 103; and the connection between the optical fiber 101 and the network cable 103 is The optical network terminal 100 with the optical module 200 is completed.

The optical interface of the optical module 200 is externally connected to the optical fiber 101 to establish a 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 to establish a bidirectional electrical signal connection with the optical network terminal 100; The optical module realizes the two-way mutual conversion of optical signals and electrical signals, thereby realizing the establishment of an information connection between the optical fiber and the optical network terminal; in an embodiment of the present disclosure, the optical signal from the optical fiber 101 is converted into electrical by the optical module After the signal is input into the optical network terminal 100, the electrical signal from the optical network terminal 100 is converted into an optical signal by the optical module and input into the optical fiber 101.

The optical network terminal has an optical module interface 102, which is used to connect to the optical module 200 and establish a two-way electrical signal connection with the optical module 200; the optical network terminal has a network cable interface 104, which is used to connect to the network cable 103 and establish a two-way electrical connection with the network cable 103 Signal connection (generally an electrical signal of the Ethernet protocol, which belongs to a different protocol/type from the electrical signal used by the optical module); the connection between the optical module 200 and the network cable 103 is established through the optical network terminal 100, in a certain implementation of the present disclosure In the example, the optical network terminal transmits the signal from the optical module to the network cable, and transmits the signal from the network cable to the optical module. The optical network terminal acts as the upper computer of the optical module to monitor the operation of the optical module. The optical network terminal is the host computer of the optical module, which provides data signals to the optical module and receives data signals from the optical module. So far, the remote server is connected to the local information processing equipment through optical fibers, optical modules, optical network terminals and network cables. Establish a two-way signal transmission channel.

Common local information processing equipment includes routers, home switches, electronic computers, etc.; common optical network terminals include optical network units ONUs, optical line terminals OLT, data center servers, data center switches, and so on.

Figure 2 is a schematic diagram of the optical network terminal structure. As shown in Figure 2, the optical network terminal 100 has a circuit board 105, and a cage 106 is provided on the surface of the circuit board 105; an electrical connector is provided inside the cage 106 for accessing the electrical interface of the optical module (such as a golden finger). Etc.); A radiator 107 is provided on the cage 106, and the radiator 107 has protrusions such as fins to increase the heat dissipation area.

The optical module 200 is inserted into the 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 located on the circuit board and wraps the electrical connector on the circuit board in the cage, so that the electrical connector is arranged inside the cage; the optical module is inserted into the cage, and the optical module is fixed by the cage, and the heat generated by the optical module is conducted to the cage 106, and then diffuse through the radiator 107 on the cage.

FIG. 3 is a schematic structural diagram of an optical module provided by an embodiment of the present disclosure, and FIG. 4 is a schematic diagram of an exploded structure of an optical module provided by an embodiment of the disclosure. As shown in Figures 3 and 4, the optical module 200 provided by the embodiment of the present disclosure includes an upper housing 201, a lower housing 202, an unlocking component 203, a circuit board 206, a light emitting sub-module 207, a light receiving sub-module 208, and an optical fiber Adapter 209 and 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 generally presents a square shape. In an embodiment of the present disclosure, the lower shell includes a main board and Two side plates located on both sides of the main board and perpendicular to the main board; the upper casing includes a cover plate, which covers the two side plates of the upper casing to form a wrapping cavity; the upper casing may also include On both sides of the cover plate, the two side walls perpendicular to the cover plate are combined by the two side walls and the two side plates to realize that the upper shell is covered on the lower shell.

The two openings can be two openings (204, 205) in the same direction, or two openings in different directions; one of the openings is the electrical port 204, and the gold finger of the circuit board protrudes from the electrical port 204 , Inserted into a host computer such as an optical network terminal; the other opening is an optical port 205 for external optical fiber access; photoelectric devices such as the circuit board 300, the optical transmitting sub-module 400 and the optical receiving sub-module 500 are located in the upper and lower shells. The package cavity.

The upper housing 201 and the lower housing 202 are combined to facilitate the installation of the light emitting sub-module 207, the light receiving sub-module 208, the optical fiber adapter 209, and the optical fiber 210 into the housing. The casing 202 forms the outermost encapsulation and protection casing of the optical module; the upper casing 201 and the lower casing 202 are generally made of metal materials, which is conducive to electromagnetic shielding and heat dissipation; generally, the casing of the optical module is not made into an integral part. In this way, when assembling circuit boards and other devices, positioning components, heat dissipation and electromagnetic shielding components cannot be installed, which is also not conducive to production automation.

The unlocking component 203 is located on the outer wall of the wrapping cavity/lower casing 202, and is used to realize the fixed connection between the optical module and the upper computer, or to release the fixed connection between the optical module and the upper computer.

The unlocking part 203 has an engaging part that matches the cage of the host computer; pulling the end of the unlocking part can make the unlocking part move relative to the surface of the outer wall; the optical module is inserted into the cage of the host computer, and the optical module is held by the engaging part of the unlocking part. Fixed in the cage of the host computer; by pulling the unlocking part, the locking part of the unlocking part moves accordingly, and then the connection relationship between the locking part and the host computer is changed to release the optical module and the host computer. The optical module is withdrawn from the cage of the host computer.

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

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

The circuit board is generally a rigid circuit board. Due to its relatively hard material, the rigid circuit board can also realize the carrying function. For example, the rigid circuit board can carry the chip smoothly; when the optical transceiver is on the circuit board, the rigid circuit board can also provide Stable bearing; the rigid circuit board can also be inserted into the electrical connector in the upper computer cage. In an embodiment of the present disclosure, a metal pin/gold finger is formed on the end surface of one side of the rigid circuit board for communication with Electrical connector connection; these are inconvenient for flexible circuit boards.

Some optical modules also use flexible circuit boards as a supplement to rigid circuit boards; flexible circuit boards are generally used in conjunction with rigid circuit boards, for example, flexible circuit boards can be used for connection between rigid circuit boards and optical transceivers.

The optical transmitting sub-module and the optical receiving sub-module can be collectively referred to as the optical sub-module. As shown in FIG. 4, the optical module provided by the embodiment of the present disclosure includes a light emitting sub-module 207 and a light receiving sub-module 208, and the light emitting sub-module 207 and the light receiving sub-module 208 are electrically connected to the circuit board 206. In an embodiment of the present disclosure, the light emitting sub-module 207 and the light receiving sub-module 208 are located at the end of the circuit board 206, and the light emitting sub-module 207 and the light receiving sub-module 208 are physically separated from the circuit board 206. The light emitting sub-module 207 and the light receiving sub-module 208 may be connected to the circuit board through a flexible circuit board, respectively.

The optical module provided by the embodiment of the present disclosure includes several optical fiber adapters 209 and several optical fibers 210. For ease of description, the optical fiber 210 used to connect with the optical transmitting sub-module 207 is referred to as the first optical fiber. The optical fiber 210 connected to the module 208 is referred to as the second optical fiber, the optical fiber adapter 209 connected to the first optical fiber is referred to as the first optical fiber adapter, and the optical fiber adapter 209 connected to the second optical fiber is referred to as the second optical fiber adapter. 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 be combined with the number of the optical transmitting sub-module 207 and the optical receiving sub-module 208. Generally, one light transmitting sub-module 207 corresponds to one first optical fiber and one first optical fiber adapter, and one light receiving sub-module 208 corresponds to one second optical fiber and one second optical fiber adapter.

As shown in FIG. 4, the optical module provided in this embodiment includes two optical transmitting sub-modules 207 and two optical receiving sub-modules 208. Therefore, the optical module includes four optical fiber adapters 209 and four optical fibers 210. One optical fiber and two first optical fiber adapters are corresponding to two light emitting sub-modules 207, and two second optical fibers and two second optical fiber adapters are corresponding to two light receiving sub-modules 208.

One end of the first optical fiber adapter is connected to the light emission sub-module 207 through the first optical fiber, and the other end is connected to the external optical fiber, and the signal light generated by the light emission sub-module is output to the external optical fiber through the first optical fiber; one end of the second optical fiber adapter passes through the second optical fiber. The optical fiber is connected to the optical receiving sub-module 208, and the other end is connected to an external optical fiber, and the 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 optical receiving sub-module 208 through the second optical fiber.

In order to facilitate the assembly of structural components such as the light emitting sub-module 207, the light receiving sub-module 208, the first optical fiber adapter, and the second optical fiber adapter, in the embodiments of the present disclosure, the length of the first optical fiber is greater than that of the optical transmitting sub-module 207 and the first optical fiber adapter. The distance between the fixed position of the optical fiber adapter and the length of the second optical fiber is greater than the distance between the light receiving submodule 208 and the fixed position of the second optical fiber adapter. At the same time, in order to prevent the first optical fiber and the second optical fiber from accumulating near the optical port 205 of the optical module 200 and obstructing the installation of the upper housing 201, in the embodiment of the present disclosure, a coiled fiber bracket is provided on the circuit board 206, and a relatively long first optical fiber is installed. An optical fiber and a second optical fiber are coiled on the coiled fiber support. The coiled fiber holder coils the relatively long first optical fiber and the second optical fiber, which can realize the regular storage of the optical fiber and effectively avoid the accumulation of the optical fiber near the optical port of the optical module, thereby facilitating the installation of the upper housing of the optical module and preventing the optical module The upper housing assembly process damages the first optical fiber and the second optical fiber; at the same time, it prevents bending due to the accumulation of the first optical fiber and the second optical fiber in a small space, avoids the optical loss caused by the bending radius less than the minimum bending radius required by the optical fiber, and ensures the optical module Product performance.

FIG. 5 is a schematic diagram of the internal structure of an optical module provided by an embodiment of the disclosure. As shown in FIG. 5, the coil fiber support 300 is disposed on the circuit board 206, and the optical fiber 210 is coiled on the coil fiber support 300. The fiber holder 300 realizes the storage and fixation of the optical fiber 210. In an embodiment of the present disclosure, in order to prevent the setting of the coil support 300 from affecting other devices on the circuit board 206, the bottom of the coil support 300 contacts the circuit board 206 with a small area, and the coil support 300 coils the optical fiber 210 Suspended above the circuit board 206.

FIG. 6 is a schematic diagram of an assembly structure of a circuit board and a fiber support provided by an embodiment of the disclosure. As shown in FIG. 6, the coiled fiber support 300 provided by the embodiment of the present disclosure includes a support body 301. Wherein, the bracket body 301 is suspended above the circuit board 206, and the bracket body 301 includes a coiled side surface 3011, and the coiled side surface 3011 is used for coiling the optical fiber 210. In an embodiment of the present disclosure, the winding side surface 3011 is perpendicular to the plane where the circuit board 206 is located. In the embodiment of the present disclosure, the bracket body 301 may have a U-shaped structure.

In an embodiment of the present disclosure, in order to facilitate the suspension and fixation of the bracket body 301 above the circuit board 206, a support column is provided on the coiled fiber bracket 300, one end of the support column is connected to the bracket body 301, and the other end is connected to the circuit board. 206, such as connecting the circuit board 206 by screw support.

In addition, in the embodiment of the present disclosure, in order to facilitate the suspension and fixation of the bracket body 301 to the top of the circuit board 206, a fixed buckle is provided on the coiled fiber bracket 300, and one end of the fixed buckle is connected to the bracket body 301, and is clamped by the fixed buckle. The circuit board 306 suspends the bracket body 301 above the circuit board 206. FIG. 6 shows that the fiber coil support 300 is suspended and fixed to the upper side of the circuit board 206 by a fixing clip. As shown in FIG. 6, a first fixing buckle 302 and a second fixing buckle 303 are provided on the fiber coil support 300 provided by the embodiment of the present disclosure. In an embodiment of the present disclosure, the first fixed buckle 302 and the second fixed buckle 303 are symmetrically arranged on the bracket body 301 of the coiled fiber bracket 300.

FIG. 7 is a schematic diagram of an exploded structure of a circuit board and a fiber support provided by an embodiment of the disclosure. As shown in FIG. 7, a first positioning opening 2061 is provided on the circuit board 206 corresponding to the first fixing buckle 302, and a second positioning opening 2062 is provided on the circuit board 206 corresponding to the second fixing buckle 303. The first positioning opening 2061 and the second positioning opening 2062 are arranged on opposite sides of the circuit board 206. The first positioning opening 2061 and the second positioning opening 2062 are formed by recessing the sides of the circuit board 206 in the axial direction of the circuit board 206. The first fixing buckle 302 is matched with the first positioning opening 2061, and the second fixing buckle 303 is matched with the second positioning opening 2062, and thereby fix the fiber support 300 on the circuit board 206. In an embodiment of the present disclosure, the first positioning opening 2061 and the second positioning opening 2062 are symmetrically arranged on both sides of the circuit board 206.

FIG. 8 is a perspective view of a coiled fiber support provided by an embodiment of the disclosure. As shown in FIGS. 7-8, the ends of the first fixed buckle 302 and the second fixed buckle 303 are hook-shaped. After the fiber support 300 and the circuit board 206 are assembled, the first fixing buckle 302 is clamped in the first positioning opening 2061, the second fixing buckle 303 is clamped in the second positioning opening 2062, and the first positioning opening 2061 It can be used to limit the position of the first fixed buckle 302, and the second positioning opening 2062 can be used to limit the position of the second fixed buckle 303, so that the first fixed buckle 302 is restricted in the first positioning opening 2061, and the second fixed buckle The buckle 303 is confined in the second positioning opening 2062, and the first fixed buckle 302 and the second fixed buckle 303 are combined to realize the upper and lower limit, left and right limit, and front and rear limit of the fiber support 300 relative to the circuit board 206. The fiber support 300 is fixed on the circuit board 206. Therefore, the first fixing buckle 302 cooperates with the first positioning opening 2061, and the second fixing buckle 303 cooperates with the second positioning opening 2062 to realize the fixing of the fiber support 300 on the circuit board 206, which can achieve the fixed position of the fiber support 300. The firmness of the fixing on the circuit board 206 can reduce the area occupied by the fixed fiber support 300 on the circuit board 206, and at the same time can reduce the complexity of the fiber support 300.

In an embodiment of the present disclosure, the first fixing buckle 302 includes a connecting portion, a clamping portion, and a positioning portion. The side surface of the connecting portion is connected to the coiled side surface 3011, one end of the clamping portion is connected to the connecting portion and the other end is connected to the positioning portion, and the clamping portion is arranged below the connecting portion. When the first fixing buckle 302 is connected to the first positioning opening 2061, the connecting portion and the positioning portion of the first fixing buckle 302 restrict the clamping portion of the first fixing buckle 302 to the first positioning opening 2061; The first positioning opening 2061 restricts the first fixing buckle 302 in the front and rear (length) direction of the circuit board 206; On the other side, the positioning of the first fixing buckle 302 in the up and down (thickness) direction of the circuit board 206 is realized.

In an embodiment of the present disclosure, the second fixing buckle 303 includes a connecting part, a clamping part and a positioning part. The side surface of the connecting portion is connected to the coiled side surface 3011, one end of the clamping portion is connected to the connecting portion and the other end is connected to the positioning portion, and the clamping portion is arranged below the connecting portion. When the second fixing buckle 303 is connected to the second positioning opening 2062, the connecting portion and the positioning portion of the second fixing buckle 303 restrict the clamping portion of the second fixing buckle 303 to the second positioning opening 2062; The second positioning opening 2062 restricts the second fixing buckle 303 in the front and rear direction of the circuit board 206; the lower end surface of the connecting portion abuts against one surface of the circuit board 206, and the upper end surface of the positioning portion abuts against the other surface of the circuit board 206, The positioning of the second fixing buckle 303 in the up and down direction of the circuit board 206 is realized.

At the same time, the clamping portion of the first fixed buckle 302 is combined with the clamping portion of the second fixed buckle 303 to realize the limitation of the first fixed buckle 302 and the second fixed buckle 303 in the left-right (width) direction of the circuit board 206 Bit. Therefore, the cooperation of the first fixing buckle 302 and the first positioning opening 2061 and the cooperation of the second fixing buckle 303 and the second positioning opening 2062 can realize the up-down, left-right, and front-rear directions of the circuit board 206. Limiting is to realize the suspension and fixation of the coil support 300 on the circuit board 206. In addition, the upper end surface of the connecting portion of the first fixed buckle 302 and the second fixed buckle 303 can be used to support the optical fiber.

The fiber support 300 provided by the embodiment of the present disclosure further includes a plurality of second claws 305. The second claw 305 is provided on the bracket body 301 and used for supporting and positioning the optical fiber. In an embodiment of the present disclosure, the second claw 305 is connected to the lower end of the bracket body 301 or the lower part of the coiled side surface 3011. As shown in FIG. 8, the second claw 305 is connected to the bottom of the coiled side surface 3011. In an embodiment of the present disclosure, a number of second claws 305 are provided at the end of the fiber optic support 300 away from the fiber optic adapter; for example, two or three second claws 305 are provided. As shown in FIG. 8, two second claws 305 are symmetrically provided on the end of the coiled fiber support 300 away from the fiber optic adapter, and the two second claws 305 are respectively connected to the bottom of the coiled side surface 3011.

In the embodiment of the present disclosure, the second pawl 305 includes a first support portion 3051 and a second support portion 3052. One end of the first support portion 351 is connected to the bottom of the winding side surface 3011, and the first support portion 3051 is connected to the second support portion 3052. . For example, the other side or top surface of the first supporting portion 3051 is close to the outside and connected to one end of the second supporting portion 3052. The first support portion 351 includes a first support surface, the first support surface is connected to the coiled side surface 3011, the second support portion 3052 includes a second support surface, the second support surface is connected to the first support surface, and the first support portion 3051 supports the first support The surface and the second supporting surface of the second supporting portion 3052 form a supporting angle structure. For example, the first supporting surface of the first supporting portion 3051 is perpendicular to the winding side surface 3011, the second supporting surface of the second supporting portion 3052 is parallel to the winding side surface 3011, the first supporting surface of the first supporting portion 3051 and the second supporting portion 3052 The second supporting surface forms a right-angled supporting angle structure. The first support portion 3051 supports the optical fiber in a direction parallel to the winding side surface 3011 and perpendicular to the end surface of the holder body 301 through the first support surface, and restricts the optical fiber in the direction perpendicular to the end surface of the winding side surface 3011 to prevent the optical fiber from falling off the winding side surface 3011; The supporting portion 3052 supports the optical fiber in the direction perpendicular to the winding side surface 3011 through the second support surface, and limits the optical fiber in the direction perpendicular to the winding side surface 3011 to avoid loosening of the optical fiber on the winding side surface 3011 and help to neatly coil the optical fiber on the winding side surface 3011 superior.

The fiber support 300 provided by the embodiment of the present disclosure further includes a plurality of first baffles 304. The first baffle 304 is arranged on the support body 301 and is used for limiting the position of the optical fiber coiled on the coiling side surface 3011. In an embodiment of the present disclosure, the second pawl 305 is connected to the upper end of the bracket body 301 or the upper part of the coiled side surface 3011, etc. As shown in FIG. 8, one end of the first baffle 304 is connected to the winding side surface 3011, and the first baffle 304 is disposed on the upper part of the winding side surface 3011. The first baffle 304 extends in a direction perpendicular to the winding side surface 3011, which can avoid winding The optical fiber of the coiled side surface 3011 falls off from the upper part of the coiled side surface 3011. In an embodiment of the present disclosure, the firmness of the optical fiber to the coiled fiber holder 300 is ensured. The first baffle 304 and the second claw 305 are alternately arranged, which can not only realize the fixation of the optical fiber, but also facilitate the coiling of the optical fiber to the coiling side 3011.

In an embodiment of the present disclosure, a number of first baffles 304 are provided on the upper part of the winding side 3011; for example, two, three, etc. first baffles 304 are provided. As shown in FIG. 8, five first baffles 304 are evenly arranged around the upper part of the side surface 3011. The top surface of the first baffle 304 is flush with the top surface of the bracket body 301, which can avoid the influence of the setting of the first baffle 304 on the thickness of the fiber coil bracket 300 as much as possible.

FIG. 9 is a schematic diagram of the internal structure of another optical module provided by an embodiment of the disclosure. As shown in FIG. 9, the coil support 300 is arranged on the circuit board 206, and the optical fiber 210 is coiled on the coil support 300. Similar to that shown in FIG. 5, in this embodiment, the arrangement of the fiber support 300 is prevented from affecting other devices on the circuit board 206. The bottom of the fiber support 300 contacts the circuit board 206 with a small area. The coil is suspended above the circuit board 206.

FIG. 10 is a schematic diagram of another assembly structure of a circuit board and a fiber support provided by an embodiment of the present disclosure. As shown in FIG. 10, similar to that shown in FIG. 6, the coil fiber support 300 provided by the embodiment of the present disclosure includes a support body 301. Wherein, the bracket body 301 is suspended above the circuit board 206, and the bracket body 301 includes a coiled side surface 3011, and the coiled side surface 3011 is used for coiling the optical fiber 210. In an embodiment of the present disclosure, the winding side surface 3011 is perpendicular to the plane where the circuit board 206 is located.

As shown in FIG. 10, the fiber coil support 300 provided by the embodiment of the present disclosure further includes a support base plate 307, and the support base plate 307 is connected to the support body 301. The bracket bottom plate 307 is combined with the bracket body 301 to increase the supporting strength of the coiled fiber bracket 300. In an embodiment of the present disclosure, the top surface of the bracket bottom plate 307 is flush with the top surface of the bracket body 301. In an embodiment of this disclosure, a number of through holes 3071 are provided on the bottom plate 307 of the bracket. For example, a through hole 3071 is provided at the corresponding bracket bottom plate 307 corresponding to a component with a relatively high height on the circuit board 206; or a through hole 3071 is provided at a corresponding bracket bottom plate 307 corresponding to a component on the circuit board 206 that generates more heat. 3071. The through hole 3071 facilitates the extension of the heat-conducting column, thereby preventing the installation of the fiber support 300 from hindering the heat dissipation of the components on the circuit board 206.

The fiber coil support 300 provided by the embodiment of the present disclosure further includes a support column or a fixing buckle, and the support body 301 is suspended and fixed to the upper side of the circuit board 206 through the support column or the fixing buckle. In an embodiment of the present disclosure, the supporting column or the fixing buckle is arranged on the bracket body 301, for example, the supporting column or the fixing buckle is arranged on the lower portion of the bracket body 301 or the winding side 3011. The number of support columns or fixed buckles can be selected according to needs.

FIG. 11 is a cross-sectional view of another circuit board and a fiber support provided by an embodiment of the disclosure, and FIG. 12 is an exploded structure diagram of another circuit board and a fiber support provided by an embodiment of the disclosure. As shown in FIG. 11, the fiber coil support 300 provided by the embodiment of the present disclosure is provided with two fixed buckles, and the two fixed buckles include a first fixed buckle 302 and a second fixed buckle 303. In an embodiment of the present disclosure, the first fixed buckle 302 and the second fixed buckle 303 are symmetrically arranged on the bracket body 301 of the coiled fiber bracket 300.

As shown in Figures 11 and 12, a first positioning opening 2061 is provided at a position corresponding to the first fixing buckle 302 on the circuit board 206, and a second positioning opening 2062 is provided at a position corresponding to the second fixing buckle 303 on the circuit board 206 . The first positioning opening 2061 and the second positioning opening 2062 are arranged on opposite sides of the circuit board 206, and the first positioning opening 2061 and the second positioning opening 2062 are formed by recessing the sides of the circuit board 206 in the axial direction of the circuit board 206. The first fixing buckle 302 is matched with the first positioning opening 2061, and the second fixing buckle 303 is matched with the second positioning opening 2062, and thereby fix the fiber support 300 on the circuit board 206. In an embodiment of the present disclosure, the first positioning opening 2061 and the second positioning opening 2062 are symmetrically arranged on both sides of the circuit board 206.

After the fiber support 300 and the circuit board 206 are assembled, the first fixing buckle 302 is clamped in the first positioning opening 2061, and the second fixing buckle 303 is clamped in the second positioning opening 2062, so that the first fixing buckle The buckle 302 is restricted in the first positioning opening 2061, and the second fixing buckle 303 is restricted in the second positioning opening 2062. The first positioning opening 2061 can be used for the limit of the first fixing buckle 302 and the second positioning opening 2062. It can be used to limit the position of the second fixed buckle 303, so that the first fixed buckle 302 is restricted in the first positioning opening 2061, and the second fixed buckle 303 is restricted in the second positioning opening 2062, combined with the first fixed buckle The buckle 302 and the second fixing buckle 303 realize the upper and lower limits, the left and right limits, and the front and rear limits of the fiber support 300 relative to the circuit board 206, thereby realizing the fixing of the fiber support 300 on the circuit board 206 provided by the embodiment of the present disclosure .

As shown in FIGS. 11 and 12, the first fixed buckle 302 and the second fixed buckle 303 both include a connecting portion 3021, a clamping portion 3022 and a positioning portion 3023. The side surface of the connecting portion 3021 is connected to the winding side surface 3011, one end of the clamping portion 3022 is connected to the connecting portion 3021, and the other end is connected to the positioning portion 3023, and the clamping portion 3022 is disposed below the connecting portion 3021. When the first fixing buckle 302 is connected to the first positioning opening 2061, the connecting portion and the positioning portion of the first fixing buckle 302 restrict the clamping portion 3022 of the first fixing buckle 302 in the first positioning opening 2061 , The first positioning opening 2061 restricts the first fixed buckle 302 in the front and rear direction of the circuit board 206; The upper end surface of the positioning portion 3023 abuts against the other surface of the circuit board 206 to realize the limit of the first fixing buckle 302 in the up-down direction of the circuit board 206. When the second fixing buckle 303 is connected to the second positioning opening 2062, the connecting portion and the positioning portion of the second fixing buckle 303 restrict the clamping portion 3022 of the second fixing buckle 303 in the second positioning opening 2062 , The second positioning opening 2062 restricts the second fixing buckle 303 in the front and rear direction of the circuit board 206; The upper end surface of the positioning portion 3023 abuts against the other surface of the circuit board 206 to realize the limit of the second fixing buckle 303 in the up-down direction of the circuit board 206.

The clamping portion of the first fixed buckle 302 is combined with the clamping portion of the second fixed buckle 303 to realize the limitation of the first fixed buckle 302 and the second fixed buckle 303 in the left-right (width) direction of the circuit board 206. Therefore, the cooperation of the first fixing buckle 302 and the first positioning opening 2061 and the cooperation of the second fixing buckle 303 and the second positioning opening 2062 can realize the up-down, left-right, and front-rear directions of the circuit board 206. Limiting is to realize the suspension and fixation of the coil support 300 on the circuit board 206. In addition, the upper end surface of the connecting portion of the first fixed buckle 302 and the second fixed buckle 303 can be used to support the optical fiber.

FIG. 13 is a perspective view 1 of another fiber optic stent provided by an embodiment of the present disclosure, and FIG. 14 is a perspective view 2 of another fiber optic stent provided by an embodiment of the disclosure. As shown in FIGS. 13 and 14, the fiber coil support 300 provided by the embodiment of the present disclosure further includes a plurality of second claws 305. The second claw 305 is provided on the bracket body 301 and used for supporting and positioning the optical fiber. In an embodiment of the present disclosure, the second claw 305 is connected to the lower end of the bracket body 301 or the lower part of the coiled side surface 3011. As shown in FIGS. 13 and 14, the second claw 305 is connected to the bottom of the coiled side surface 3011. In an embodiment of the present disclosure, a number of second claws 305 are provided at the end of the fiber optic support 300 away from the fiber optic adapter; for example, two or three second claws 305 are provided. As shown in Figs. 13 and 14, two second claws 305 are symmetrically provided at one end of the fiber coil support 300 away from the fiber optic adapter.

As shown in FIG. 13, the second claw 305 includes a first support portion 3051 and a second support portion 3052. One end of the first support portion 351 is connected to the bottom of the coiled side surface 3011, and the first support portion 3051 is connected to the second support portion 3052. . For example, the other side of the first support portion 3051 is connected to one end of the second support portion 3052. The first support portion 351 includes a first support surface, the first support surface is connected to the coiled side surface 3011, the second support portion 3052 includes a second support surface, the second support surface is connected to the first support surface, and the first support portion 3051 supports the first support The surface and the second supporting surface of the second supporting portion 3052 form a supporting angle structure. For example, the first supporting surface of the first supporting portion 3051 is perpendicular to the winding side surface 3011, the second supporting surface of the second supporting portion 3052 is parallel to the winding side surface 3011, the first supporting surface of the first supporting portion 3051 and the second supporting portion 3052 The second supporting surface forms a right-angled supporting angle structure. The first supporting portion 3051 supports the optical fiber in a direction parallel to the winding side surface 3011 and perpendicular to the end surface of the holder body 301 through the first supporting surface, and limits the optical fiber in the direction perpendicular to the end surface of the winding side surface 3011 to prevent the optical fiber from falling off the winding side surface 3011; The supporting portion 3052 supports the optical fiber in the direction perpendicular to the winding side surface 3011 through the second supporting surface, and limits the optical fiber in the direction perpendicular to the winding side surface 3011 to avoid loosening of the optical fiber on the winding side surface 3011 and help to neatly coil the optical fiber on the winding side surface 3011 superior

As shown in FIG. 14, the coil fiber support 300 provided in the embodiment of the application further includes a plurality of first claws 306. The first claw 305 is arranged on the support body 301 and is used to limit the position of the optical fiber coiled on the coiling side surface 3011. The first pawl 306 is connected to the upper part of the coiled side surface 3011. In an embodiment of the present disclosure, a number of first claws 306, such as two, three, etc., are provided on the end of the fiber optic support 300 away from the fiber optic adapter. As shown in FIG. 14, two first claws 306 are symmetrically provided at one end of the coiled fiber support 300 away from the fiber optic adapter, and the two first claws 306 are respectively connected to the upper part of the coiled side surface 3011.

As shown in FIG. 14, in the embodiment of the present disclosure, the first pawl 306 includes a first shielding portion 3061 and a second shielding portion 3062. One end of the first shielding portion 3061 is connected to the winding side surface 3011, and the second shielding portion 3062 is connected to the other end of the first shielding portion 3061. The first shielding portion 3061 includes a first shielding surface, and the second shielding portion 3062 includes a second shielding surface. One end of the first shielding surface is connected to the coiled side surface 3011 and the other end is connected to the second shielding surface. The first shielding surface of the first shielding portion 3061 and the second shielding surface of the second shielding portion 3062 form a shielding angle. For example, the first shielding surface of the first shielding portion 3061 is perpendicular to the winding side surface 3011, and the first shielding surface of the first shielding portion 3061 and the second shielding surface of the second shielding portion 3062 form a right-angle shielding angle. The second shielding surface of the second shielding portion 3062 is parallel to the winding side surface 3011. The first shielding portion 3061 shields the optical fiber in a direction parallel to the winding side surface 3011 and perpendicular to the end surface of the bracket body 301 through the first shielding surface, and restricts the optical fiber in the direction perpendicular to the end surface of the winding side surface 3011 to prevent the optical fiber from slipping off the winding side surface 3011; The portion 3062 shields the optical fiber in a direction perpendicular to the coiled side surface 3011 through the second shielding surface, and limits the optical fiber in a direction perpendicular to the coiled side surface 3011 to prevent the optical fiber from loosening from the coiled fiber support 300. As shown in FIGS. 13 and 14, the second claws 305 and the first claws 306 are alternately arranged, which can not only realize the fixation of the optical fiber, but also facilitate the coiling of the optical fiber to the coiling side 3011.

The fiber support 300 provided by the embodiment of the present disclosure further includes a plurality of first baffles 304. The first baffles 304 are respectively arranged on the bracket body 301 and can be used to limit the positions of the optical fibers coiled on the coiling side surface 3011. In an embodiment of the present disclosure, the first baffle 304 is connected to the upper end of the bracket body 301 or the upper part of the coiled side surface 3011, etc. As shown in FIGS. 13 and 14, one end of the first baffle 304 is connected to the winding side surface 3011, and the first baffle 304 is connected to the upper part of the winding side surface 3011.

As shown in FIG. 13 and FIG. 14, the first baffle 304 is evenly arranged on the side of the bracket body 301. The first baffle 304 cooperates with the first claw 306 to shield the optical fiber to prevent the optical fiber from being loosened from the fiber tray 300. The position of the first baffle 304 on the support body 301 is closer to the fiber optic adapter than the first baffle 304 is.

FIG. 15 is a schematic structural diagram of an unlocking component provided by an embodiment of the disclosure. As shown in FIG. 15, the unlocking component 203 provided by the embodiment of the present disclosure includes a handle 2031, an unlocker 2032, a bridge 323 and a spring hook. The unlocker 2032 is connected to the lower housing, and one end of the unlocker 2032 is provided with a locking hook. The locking hook is used to realize the mechanical connection between the optical module and the cage, and realize the locking of the optical module and the cage. The other end of the unlocker 2032 is connected to a handle 2031 through a bridge 323, and the handle 2031 is convenient for pulling the unlocker 2032.

Corresponding to the spring hook, the top position of the light port of the lower shell 202 is provided with a spring groove, the spring groove is provided with a spring, and the spring hook is clamped on the spring in the corresponding spring groove. The spring hook is arranged under the bridge member 323, wherein one end of the spring hook is connected to the bridge member 323, and the other end is clamped on the spring, and the spring hook is used for squeezing the spring. When the mechanical connection between the locking hook and the cage is disengaged, the unlocker 2032 moves to make the spring hook squeeze the spring. When the mechanical connection between the locking hook and the cage is disengaged, the spring returns to move the lower shell in the direction of pulling the handle. , Thereby resetting the unlocking component 203 on the lower housing.

FIG. 16 is a side view of an unlocking component provided by an embodiment of the disclosure, and FIG. 17 is a top view of an unlocking component provided by an embodiment of the disclosure. As shown in FIGS. 15-17, the unlocker 2032 includes a first unlocking portion 321 and a second unlocking portion 322, and a bridge 323 connects the first unlocking portion 321 and the second unlocking portion 322.

The first unlocking portion 321 is disposed on the side wall of one side of the lower casing and can move on the side wall, and the second unlocking portion 322 is connected to the side wall of the other side of the lower casing and can move on the side wall. For ease of description, the side wall on one side of the lower casing is called the first side plate, and the side wall on the other side of the lower casing is called the second side plate. The first side plate is opposite to the second side plate, and the first unlocking The part 321 is disposed on the surface of the first side plate and can move on the first side plate, and the second unlocking part 322 is disposed on the surface of the second side plate and can move on the second side plate. For example, by dragging the handle 2031, the handle 2031 drives the first unlocking portion 321 to move on the first side plate and the second unlocking portion 322 to move on the second side plate through the bridge 323. One end of the first unlocking portion 321 or one end of the second unlocking portion 322 is provided with a locking hook. The locking hook is used to lock the unlocker and the cage, thereby realizing the locking of the optical module and the cage.

In an embodiment of the present disclosure, one end of the first unlocking portion 321 is provided with a first locking hook 324, and the first locking hook 324 is used for locking the first unlocking portion 321 with the cage; the second unlocking portion 322 A second locking hook 325 is also provided at one end of the, and the second locking hook 325 is used to lock the second unlocking portion 322 with the cage. Therefore, the first locking hook 324 on the first unlocking portion 321 and the second locking hook 325 on the second unlocking portion 322 are combined to realize the locking of the optical module and the cage, and ensure that the optical module and the cage are firmly locked. At the same time, in the process of unlocking the optical module and the cage, the force of the unlocking component 203 is balanced, which is convenient to ensure the service life of the unlocking component 203.

The other end of the first unlocking portion 321 and the other end of the second unlocking portion 322 are connected to the bridge 323. For example, the other end of the first unlocking part 321 is connected to one end of the bridge 323, and the other end of the second unlocking part 322 is connected to the other end of the bridge 323. In an embodiment of the present disclosure, the bridge 323 is disposed on the top of the upper light opening of the lower housing, covering the spring groove, and encapsulating the spring in the spring groove, which can effectively prevent the spring from being ejected from the top of the spring groove. Generally, after the unlocking component is assembled, the spring hook squeezes the spring to make the spring in a compressed state and ensure the responsiveness of the spring.

When the unlocking component 203 is in use, pull the handle 2031, the handle 2031 drives the unlocker 2032 to move through the bridge 323, and the unlocker 2032 moves to make the first locking hook 324 of the first unlocking part 321 and the second unlocking part 322 The mechanical connection between the second locking hook 325 and the cage is disengaged, thereby unlocking the optical module and the cage; and when the mechanical connection between the locking hook and the cage is disengaged, the unlocker 2032 moves to make the spring hook squeeze the spring. After the mechanical connection between the locking hook and the cage is disengaged, the spring returns to move the lower shell to the pulling direction of the handle, thereby resetting the unlocking component on the lower shell.

In the embodiment of the present disclosure, the handle 2031 may be an injection molded part, the unlocker 2032 may be a sheet metal part, and the bridge 323 may be integrally formed with the first unlocking portion 321 and the second unlocking portion 322. In order to facilitate the connection between the handle 2031 and the bridge 323 and ensure the firmness of the connection between the handle 2031 and the bridge 323, the handle 2031 further includes a connecting portion 2035. FIG. 18 is an exploded view of another optical module provided by an embodiment of the disclosure. As shown in FIGS. 15-18, the connecting portion 2035 is located at one end of the handle 2031, and the connecting portion 2035 is connected to the bridge 323. For example, the bridging member 323 is injection molded to wrap the connecting portion 2035, and in an embodiment of the present disclosure, the firmness of the connection between the unlocking device 2032 and the bridging member 323 is ensured.

In the embodiment of the present disclosure, as shown in FIGS. 17 and 18, the spring hook includes a first spring hook 2033 and a second spring hook 2034, which is convenient to ensure the uniformity of the force of the unlocker 2032. In order to meet the strength requirements of the first spring hook 2033 and the second spring hook 2034, the first spring hook 2033 and the second spring hook 2034 are connected to the unlocker 2032, and the unlocker 2032 is made of sheet metal material. For example, the first spring hook 2033 and the second spring hook 2034 are connected to the bridge member 323, and the connecting portion 2035 wraps the connection between the first spring hook 2033 and the second spring hook 2034 and the bridge member 323, and then the first spring hook The connection between the hook 2033 and the second spring hook 2034 and the bridge 323 is embedded in the connection portion 2035.

In order to facilitate the movement of the unlocker 2032 on the outer wall of the lower casing and ensure the firmness of the connection between the unlocker 2032 and the side wall of the lower casing, as shown in FIGS. 15 and 16, the first unlocking portion 321 is provided with a first through hole 326 and a first Guide slot 327. The first through hole 326 is close to the first locking hook 324, and the first guide groove 327 is close to the bridge portion 323. In an embodiment of the present disclosure, the first guide groove 327 is provided on the end surface of the other end of the first unlocking portion 321, the depth of the first guide groove 327 extends in the direction of the first locking hook 324, and the first guide groove 327 The opening of is located on the end surface of the other end of the first unlocking portion 321.

In an embodiment of the present disclosure, as shown in FIGS. 15 and 16, the second unlocking portion 322 is provided with a second through hole 328 and a second guide groove 329. The second through hole 328 is close to the second locking hook 325, and the second guide groove 329 is close to the bridge portion 323. In an embodiment of the present disclosure, the second guide groove 329 is provided on the end surface of the other end of the second unlocking portion 322, the depth of the second guide groove 329 extends in the direction of the second locking hook 325, and the second guide groove 329 The opening of is located on the end surface of the other end of the second unlocking portion 322.

Correspondingly, a limit post and a guide post are arranged on the outer wall of the lower shell. FIG. 19 is a schematic structural diagram of a lower housing provided by an embodiment of the disclosure. As shown in Figures 18 and 19, the side wall (first side plate) on one side of the lower housing 202 provided by the embodiment of the present disclosure is provided with a first limiting post 2024 and a first guiding post 2023. The first limiting post 2024 and the first guide post 2023 may be formed by sinking the side wall surface of the lower housing 202. In addition, in the embodiment of the present disclosure, a second limiting column and a second guide column are provided on the side wall (second side plate) on the other side of the lower housing 202 (which is blocked by the side wall on the other side of the lower housing 202). ).

When the unlocking component 203 is assembled to the lower housing 202, the first through hole 326 is sleeved on the first limiting post 2024, and the first guide post 2023 is penetrated in the first guide groove along the opening of the first guide groove 327 In 327, the second through hole 328 is sleeved on the second limiting post, and the second guide post is inserted in the second guide groove 329 along the opening of the second guide groove 329, thereby enabling the first unlocking portion 321 and the second unlocking The portion 322 is connected to the corresponding side wall of the lower housing 202. Drag the handle 2031, the movable direction of the first limiting post 2024 relative to the first through hole 326 is parallel to the movable direction of the first guiding post 2023 relative to the first guiding slot 327; the second limiting post is relative to the second through hole 328 The movable direction of is parallel to the movable direction of the second guide post relative to the second guide groove 329.

When the optical module needs to be unlocked from the cage, drag the handle 2031, and the handle 2031 drives the unlocker 2032 through the bridge 323 so that the first unlocking portion 321 moves along the extension direction of the first limit post 2024 and the first guide post 2023. The second unlocking portion 322 moves along the extension direction of the second limiting post and the second guide post, thereby ensuring that the first unlocking portion 321 is always connected to the first side plate and the second unlocking of the lower housing during the process of unlocking the optical module from the cage. The portion 322 is always connected to the second side plate, and at the same time, it can ensure that the unlocking component is reset on the lower housing.

As shown in Figures 18 and 19, the lower housing 202 includes a bottom plate, a first side plate, a second side plate, and an upper cover plate 2020. The first side plate is disposed on one side of the length of the bottom plate, and the second side plate is disposed on the bottom plate. On the other side of the length direction, the upper cover plate 2020 is arranged at one end of the bottom plate and is connected to the first side plate and the second side plate. A first spring groove 2021 and a second spring groove 2022 are provided on the top surface of the upper cover 2020. A first spring 211 is provided in the first spring groove 2021, and a second spring 212 is provided in the second spring groove 2022. The first spring hook 2033 presses the first spring 211, and the second spring hook 2034 presses the second spring 212.

As shown in FIGS. 18 and 19, the first spring groove 2021 includes a bottom plate 221, a first side surface 222 and a second side surface 223. The bottom plate 221 extends along the length direction of the optical module, the first side surface 222 is arranged on one side of the length direction of the bottom plate 221, the second side surface 223 is arranged on the other side of the length direction of the bottom plate 221, the bottom plate 221, the first side surface 222 and the second side surface 223 forms a gap on the end surface of the upper cover 2020 to facilitate the installation of the first spring 211.

Correspondingly, the second spring groove 2022 may also include a bottom plate, a first side surface, and a second side surface. The side surface and the second side surface form a gap on the end surface of the upper cover plate 2020 to facilitate the installation of the second spring 212.

FIG. 20 is a schematic structural diagram of an optical module with an unlocking component removed according to an embodiment of the disclosure. As shown in FIG. 20, the end surface of the upper casing 201 contacts the end surface of the upper cover plate 2020, and the end surface of the upper casing 201 can seal the gap formed on the end surface of the upper cover plate 2020 by the first spring groove 2021 and the second spring groove 2022 .

In the embodiment of the present disclosure, in order to cooperate with the use of the unlocker 203, a locking slot is provided on the side wall of the lower housing 202. For example, a first locking groove 241 is provided on the first side plate of the lower housing 202, and the first locking groove 241 is used for limiting the position of the first unlocking portion 321; the second side plate of the lower housing 202 is provided The second locking slot (which is blocked but not marked), the second locking slot is used for limiting the position of the second unlocking portion 322. In an embodiment of the present disclosure, the location of the first locking hook 241 corresponds to the first locking hook 324, and the end of the first locking hook 324 is locked in the first locking hook 324 241; the setting position of the second locking groove corresponds to the second locking hook 325, and the end of the second locking hook 325 is locked in the second locking groove. The first locking groove 241 and the second locking groove may be formed by sinking the outer surface of the side wall of the lower housing 202.

In the implementation of the present disclosure, the fiber optic adapter is fixed on the lower housing 202. The upper cover plate covers a part of the bottom plate, and the upper shell covers the first side plate and the second side plate to cover another part of the bottom plate.

In order to facilitate the fixation of the fiber optic adapter, as shown in Figures 19 and 20, the lower housing 202 also includes a baffle 2028. The baffle 2028 is provided with a number of adapter through holes 2025. The adapter through holes 2025 communicate the optical port 205 and the lower housing 202. The lumen. Among them, the baffle 2028 connects the first side plate and the second side plate, one end of the baffle is connected to the inner wall of the first side plate, and the other end is connected to the inner wall of the second side plate; and the baffle 2028 is located under the upper cover 2020 , Connect the upper cover 2020. The baffle 2028 includes a first end surface 281, one side of the first end surface 281 (the side away from the light port) is the inner cavity of the lower housing 202, and the adapter through hole 2025 penetrates the first end surface 281. A supporting table 2027 is provided on one side of the first end surface 281, and the supporting table 2027 is located at one end of the adapter through hole 2025. The adapter through hole 2025 is used to pass through the fiber optic adapter 209. One end of the fiber optic adapter 209 passes through the adapter through hole 2025 in the optical port 205 and the other end in the inner cavity of the lower housing. The support table 2027 is used to support the other end of the fiber optic adapter.

FIG. 21 is an exploded schematic diagram of an upper housing and a lower housing of an optical module provided by an embodiment of the disclosure. With reference to FIGS. 20 and 21, the engaging portion 400 is used to be disposed above the fiber optic adapter 209, and the upper housing 201 presses the engaging portion 400 so that the engaging portion 400 squeezes the fiber optic adapter 209 to fix the fiber optic adapter 209. The number of the adapter through holes 2025 is determined according to the fiber optic adapter 209. For example, if the number of the fiber optic adapter 209 is four, four adapter through holes 2025 are provided. The optical module provided by the embodiment of the present disclosure realizes the fixation of the fiber optic adapter through the upper housing 201, the lower housing 202, and the clamping part 400, which facilitates the fixation of the fiber optic adapter, and is simple and convenient to install.

The engaging portion 400 can be made of materials such as rubber. The upper housing and the lower housing 202 are combined to press the engaging portion 400 to press the fiber adapter 209 so that the engaging portion 400 can seal around the fiber adapter 209, thereby facilitating the improvement of the EMC performance of the optical module.

FIG. 22 is a schematic diagram of a partial structure of a lower housing provided by an embodiment of the disclosure. As shown in FIG. 22, the supporting stand 2027 supports the fiber optic adapter 209, and the engaging portion 400 is provided above the fiber optic adapter. The inner side of the side wall of the lower housing 202 is provided with a card slot 2026, and the side of the engaging portion 400 is provided in the card slot 2026. The card slot 2026 facilitates the accurate assembly of the engaging portion 400. For example, the inner side of the first side plate and the second side plate are respectively provided with a card slot 2026, one end of the engaging part 400 is locked in the card slot 2026 on the first side plate, and the other end of the engaging part 400 is locked in the first side panel. Inside the card slot 2026 on the two side panels.

FIG. 23 is a partial exploded schematic diagram of a lower housing provided by an embodiment of the disclosure. As shown in FIG. 23, the optical fiber adapter 209 includes an adapter main body 2091 and a protrusion 2092. The protrusion 2092 is located on the surface of the adapter main body 2091, and the protrusion 2092 forms a protrusion opposite to the adapter main body 2091. The protrusion 2092 includes a side wall, a first side surface, and a second side surface. When the fiber optic adapter 209 is assembled, the first side surface of the protrusion 2092 will be close to the first end surface 281.

As shown in FIG. 23, the supporting table 2027 is located at the end of the adapter through hole 2025, and the supporting table 2027 may be formed by the inner surface of the lower housing 202 protruding upward. The supporting table 2027 includes a plurality of arc surfaces 271, the arc surfaces support the adapter main body, and the protrusions are arranged between the arc surfaces and the baffle.

The support platform 2027 also includes a plurality of support planes 272, part of the support plane 272 is located at the end of the support platform 2027, and the part of the support plane 272 connects the adjacent arc surfaces 271. The supporting plane 272 supports the bottom plate of the engaging portion 400 and is used for squeezing the engaging portion 400 to fix the optical fiber adapter 209. In an embodiment of the present disclosure, the supporting platform 2027 further includes a plurality of blocking protrusions 273, the blocking protrusions 273 are arranged on one side of the supporting plane 272 and connect the circular arc surface 271 and the supporting plane 272. The blocking protrusion 273 forms a blocking groove with the first surface, and the bottom of the engaging portion 400 is disposed in the blocking groove.

As shown in FIG. 23, the engaging portion 400 provided by the embodiment of the present disclosure includes a engaging portion body 401, a plurality of openings 402 are provided on the engaging portion body 401, and an opening spacing portion 403 is provided between adjacent openings 402. The apertured spacer 403 is clamped between the adjacent optical fiber adapters 209, the bottom of the apertured spacer 403 is located in the blocking groove, and the side of the apertured spacer 403 contacts the side of the protrusion 2092, thereby opening the spacer 403 and the barrier The projection fits the projection 2092 to be squeezed and fixed in the blocking groove.

In an embodiment of the present disclosure, the side of the engaging portion body 401 is further provided with an engaging groove 404, and the engaging groove 404 makes the thickness of the top of the engaging portion body 401 greater than the thickness of the bottom of the engaging portion body 401, namely The thickness of the engaging portion body 401 is greater than the thickness of the opening and spacing portion 403, which facilitates the upper housing to squeeze the engaging portion 400 and improve the firmness of the fixation of the optical fiber adapter 209. One surface of the engaging groove 404 is in contact with the side wall of the protrusion 2092, and the other surface of the engaging groove 404 is in contact with the other side of the protrusion 2092.

24 is a cross-sectional view of an upper casing and a lower casing provided by an embodiment of the present disclosure, and FIG. 25 is an exploded cross-sectional view of an upper casing and a lower casing provided by an embodiment of the disclosure. As shown in FIGS. 24-25, the adapter body 2091 is bounded by a protrusion 2092. The front end of the protrusion 2092 penetrates through the adapter through hole 2025, and the rear end of the protrusion 2092 and the protrusion 2092 are located in the cavity of the lower housing 202. The first side surface of the protrusion 2092 contacts the first end surface 281, and the side wall and the second side surface of the protrusion 2092 contact the engaging portion 400. The supporting stand 2027 supports the other end of the dispenser main body 2091 and the protrusion 2092. There is a gap between the fiber optic adapter 209, the lower housing 202 and the upper housing 201, and the engaging portion 400 is provided in the gap between the fiber optic adapter 209 and the lower housing 202 and the upper housing 201. The lower housing 202 and the upper housing 201 are The squeeze engagement part 400 fixes the optical fiber adapter 209.

An extrusion boss 2011 is provided on the upper housing 201, and the extrusion boss 2011 is used to squeeze the engaging portion 400 to ensure the pressing effect of the upper housing 201 on the engaging portion 400. In order to improve the extrusion effect of the extrusion boss 2011 on the engaging portion 400, the extrusion platform 2011 includes a first plane 011, and the bottom of the upper housing 201 includes a second plane 012. The first plane 011 and the second plane 012 intersect, the first plane 011 contacts the top surface of the extrusion engaging portion 400, and the second plane 012 contacts the side surface of the extrusion engaging portion 400. The first plane 011 and the second plane 012 co-squeeze the engaging portion 400 so that the engaging portion 400 fixes the optical fiber adapter 209. The first plane 011 and the second plane 012 are combined to make the upper housing 201 press the engaging portion 400 from two directions (parallel to the axial direction of the optical fiber adapter 209 and perpendicular to the axial direction of the optical fiber adapter 209). In the present disclosure In a certain embodiment, the fiber optic adapter 209 is firmly fixed.

The baffle plate is located between the upper cover plate and the bottom plate, and the upper surface of the baffle plate forms a step shape with the upper cover plate; the bottom plate of the upper cover plate covers the upper surface of the baffle plate. 24 and 25, the baffle 2028 further includes a second end surface 282, the second end surface 282 and the first end surface 281 form a step surface 283, the step surface 283 is the upper surface of the baffle, the upper housing 201 also includes an end surface 013, the second plane 012 connects the first plane 011 and the end surface 013. When the upper shell 201 and the lower shell 202 are closed and connected, the end surface 013 is matched with the second end surface 282, and one end of the second plane 012 is matched with the step surface 283, which facilitates the sealing connection between the upper shell 201 and the lower shell 202.

The upper surface 283 of the baffle forms a first-level step surface 2831 and a second-level step surface 2832; the upper shell includes an extrusion boss facing the bottom plate and presses the engaging piece; the bottom plate of the upper shell is covered on the first stage Step surface 2831; the shielding strip 290 is arranged on the second step surface 2832, below the bottom surface of the upper shell; the extrusion boss is located on one side of the baffle. The shielding strip 290 is used to seal the gap between the upper shell and the lower shell to achieve the requirements of electromagnetic shielding. Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure, but not to limit them; although the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions recorded in the foregoing embodiments are modified, or some of the technical features are equivalently replaced; these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present disclosure.

Claims

An optical module, characterized in that it comprises:

Upper shell

The lower casing, which is connected to the upper casing, includes a bottom surface and first and second side walls arranged on both sides of the bottom surface. One end of the bottom surface is also provided with an upper cover plate. The cover plate connects the first side wall and the second side wall, the top surface of the upper cover plate is provided with a spring groove, and a spring is arranged in the spring groove;

An unlocking component connected to the side wall of the lower casing;

Wherein, the unlocking component includes:

The unlocker includes a first unlocking part and a second unlocking part, the first unlocking part is arranged on the surface of the first side wall and slidable on the first side wall, and the second unlocking part is arranged on The surface of the second side wall is slidable on the second side wall, and one end of the first unlocking portion and one end of the second unlocking portion are respectively provided with a locking hook;

A bridge piece, located above the upper cover plate, connecting the other end of the first unlocking portion and the other end of the second unlocking portion;

A handle connected to the bridge piece;

The spring hook is arranged below the bridge member, one end is connected to the bridge member, and the other end is clamped on the spring.
The optical module according to claim 1, wherein the handle further comprises a connecting part, and the connecting part is connected to the bridge member.
The optical module according to claim 1, wherein the spring hook comprises a first spring hook and a second spring hook, and the spring groove comprises a first spring groove and a second spring groove;

A first spring is arranged in the first spring groove, a second spring is arranged in the second spring groove, the first spring hook is configured to squeeze the first spring, and the second spring hook The clamping device squeezes the second spring.
The optical module according to claim 1, wherein a first through hole is provided on the first unlocking portion, and a first limiting post is provided on an outer wall of the lower housing at a position corresponding to the first through hole , The first unlocking portion is sleeved on the first limiting post through the first through hole.
The optical module according to claim 1, wherein a second through hole is provided on the second unlocking portion, and a second limit post is provided on the outer wall of the lower housing at a position corresponding to the second through hole , The second unlocking portion is sleeved on the second limiting post through the second through hole.
The optical module according to claim 1, wherein a first guide groove is provided on the end surface of the other end of the first unlocking part;

A first guide post is provided on the outer wall of the lower housing at a position corresponding to the first guide groove, and the first guide post is inserted into the first guide groove along the opening of the first guide groove.
The optical module according to claim 1, wherein a second guide groove is provided on the end surface of the other end of the second unlocking portion;

A second guide post is arranged on the outer wall of the lower housing at a position corresponding to the second guide groove, and the second guide post is inserted into the second guide groove along the opening of the second guide groove.
The optical module according to claim 2, wherein the spring hook is connected to the connecting portion, and the bridge piece wraps the connection between the spring hook and the connecting portion.
The optical module according to claim 1, wherein the first side wall and the second side wall are respectively provided with locking grooves, and the locking grooves are matched with corresponding locking hooks.
The optical module according to claim 1, wherein the spring groove comprises a bottom surface and a first side surface and a first side surface connected to the bottom surface, and the bottom surface, the first side surface and the second side surface are in A gap is formed on the end surface of the top of the lower casing, and the end surface of the upper casing blocks the gap.
An optical module, characterized in that it comprises:

Circuit board

Optical emission sub-module, connected to the circuit board, for outputting signal light;

Optical receiving sub-module, connected to the circuit board, for receiving signal light from outside the optical module;

The first optical fiber, one end of which is connected to the optical emission sub-module, is used to transmit the signal light output by the optical emission sub-module;

The second optical fiber, one end of which is connected to the light receiving sub-module, is used to transmit signal light from the outside of the optical module to the light receiving sub-module;

A first optical fiber adapter, one end is connected to the other end of the first optical fiber, and the other end is used to connect an external optical fiber;

A second optical fiber adapter, one end is connected to the other end of the second optical fiber, and the other end is used to connect an external optical fiber;

A coiled fiber support, arranged on the circuit board, for coiling the first optical fiber and the second optical fiber;

Wherein, a first positioning port and a second positioning port are provided on the side of the circuit board;

A first fixing buckle and a second fixing buckle are provided on the fiber coil support corresponding to the first positioning opening and the second positioning opening, and the first fixing buckle is connected to the first positioning opening in a mating manner , The second fixing buckle is connected to the second positioning port in a fitting manner.
The optical module according to claim 11, wherein the coiled fiber support includes a support body, the support body includes a coiled side surface, and the coiled side surface is used for coiling the first optical fiber and the second optical fiber.
The optical module according to claim 11, wherein the first fixed buckle connection part, the clamping part and the positioning part; one end of the connection part is connected to the bracket body, and the other end is connected to the clamping part. One end of the clamping part, and the other end of the clamping part is connected to the positioning part; the connecting part and the positioning part clamp the clamping part in the first positioning opening.
The optical module according to claim 12, wherein the disk fiber support further comprises a plurality of first claws, and the first claws comprise a first shielding portion and a second shielding portion;

One end of the first shielding portion is connected to the top of the coiled side surface, and the other end of the first shielding portion is connected to the second shielding portion;

The first shielding portion includes a first shielding surface, and the first shielding surface is connected to the coiled side surface;

The second shielding portion includes a second shielding surface, and the second shielding surface is connected to the first shielding surface.
The optical module according to claim 14, wherein the coil support further comprises a plurality of second claws, and the second claws comprise a first support portion and a second support portion;

One end of the first support portion is connected to the bottom of the coiled side surface, and the other end of the first support portion is connected to the second support portion;

The first supporting portion includes a first supporting surface, and the first supporting surface is connected to the coiled side surface;

The second supporting portion includes a second supporting surface, and the second supporting surface is connected to the first supporting surface.
The optical module according to claim 12, wherein the coiled fiber support further comprises a plurality of first baffles, one end of the first baffle is connected to the coiled side surface, and the top surface of the first baffle It is flush with the top surface of the bracket body.
The optical module according to claim 12, wherein the coiled fiber bracket further comprises a bracket bottom plate, the bracket bottom plate is connected to the bracket body, the bracket bottom plate is provided with a through hole, and the through hole is used for extending Into the thermal column.
The optical module according to claim 15, wherein the first claws and the second claws are alternately arranged on the bracket body; the length of the first support portion is greater than that of the second support The length of the section.
The optical module according to claim 11, wherein the first positioning opening and the second positioning opening are symmetrically arranged on the side of the circuit board, and the first fixing buckle and the second The fixing buckles are symmetrically arranged on the fiber coil support.
The optical module according to claim 11, wherein the light emitting sub-module and the light receiving sub-module are both arranged at one end of the circuit board, and the light emitting sub-module and the light receiving sub-module are The modules are respectively connected to the circuit board through a flexible circuit board.
An optical module, characterized in that it comprises:

Upper shell

The lower housing, which is connected to the upper housing, includes a bottom surface and first and second side walls arranged on both sides of the bottom surface. One end of the bottom surface is also provided with a baffle plate, the baffle plate Connecting the first side wall and the second side wall, the baffle is provided with a plurality of adapter through holes, and the lower shell further includes a support platform, the support platform is provided on a side of the baffle side;

Several optical fiber adapters are arranged in the corresponding through holes of the adapters and supported by the supporting table;

A gasket is arranged above the optical fiber adapter, and the upper housing squeezes the gasket to fix the optical fiber adapter on the lower housing.
The optical module according to claim 21, wherein the optical fiber adapter comprises an adapter body and a protrusion, and the protrusion is provided on the adapter body;

A number of arc surfaces are provided on the support platform, and the arc surfaces support the protrusions.
The optical module according to claim 22, wherein the support plane is further provided on the support table, the support plane is connected to the arc surface, and the support plane supports the bottom surface of the gasket.
The optical module according to claim 23, wherein a plurality of blocking protrusions are further provided on the supporting table, and the blocking protrusions connect the arc surface and the supporting plane, and the blocking protrusions are connected to the supporting plane. The end surface of the adapter through hole forms a blocking groove, and the bottom of the gasket is clamped in the blocking groove.
The optical module according to claim 22, wherein the gasket comprises a gasket body, a plurality of openings are provided on the gasket body, and an opening spacing portion is provided between adjacent openings; The side surface of the opening spacer contacts the side surface of the protrusion.
27. The optical module according to claim 25, wherein the side of the gasket body is provided with an engaging groove, and the engaging groove is connected to the protrusion in a mating manner.
The optical module according to claim 21, wherein the baffle plate comprises a first end surface, the first end surface is in contact with the inner cavity of the lower housing, and the adapter through hole passes through the first end surface ；

The baffle plate further includes a second end surface, and the second end surface and the first end surface form a stepped surface.
The optical module according to claim 27, wherein an extrusion platform is provided on the upper housing, the extrusion platform includes a first flat surface; the bottom of the lower housing includes a second flat surface, and the second flat surface A plane and a second plane extrude the gasket;

The upper housing further includes an end surface, the end surface is matched with the second end surface, and the second plane is matched with the step surface.
The optical module according to claim 21, wherein the inner side of the first side wall or the second side wall is further provided with a card slot, and the side of the gasket is located in the card slot.
An optical module, characterized in that it comprises:

Upper shell

The lower shell includes a bottom plate, a first side plate, a second side plate, an upper cover plate and a baffle;

The first side plate and the second side plate are respectively bent relative to the bottom plate;

One end of the first side plate is connected to the bottom plate, and the other end is connected to the upper cover plate;

One end of the second side plate is connected to the bottom plate, and the other end is connected to the upper cover plate;

The upper cover plate covers a partial area of the bottom plate;

The upper shell is covered on the first side plate and the second side plate, covering another part of the bottom plate;

One end of the baffle is connected to the inner wall of the first side plate, and the other end is connected to the inner wall of the second side plate; the baffle is provided with a through hole;

A support table, set on the surface of the bottom plate,

An optical fiber adapter, the lower part of which is set on the supporting table and extends into the through hole;

The clamping part is arranged on the upper part of the optical fiber adapter, and is press-fitted on the optical fiber adapter by the upper housing.
The optical module according to claim 30, wherein:

The baffle is located between the upper cover plate and the bottom plate, and its upper surface forms a step shape with the upper cover plate;

The bottom plate of the upper cover plate covers the upper surface of the baffle plate.
The optical module according to claim 31, further comprising a shielding strip;

The upper surface of the baffle forms a first step surface and a second step surface;

The upper shell includes an extrusion boss facing the bottom plate and pressing the engaging piece;

The bottom plate of the upper housing is covered on the first stepped surface; the shielding strip is arranged on the second stepped surface, and is located below the bottom surface of the upper housing;

The extrusion boss is located on one side of the baffle.
The optical module according to any one of claims 30-32, wherein the optical fiber adapter comprises an adapter main body and a protrusion, and the protrusion is provided on the adapter main body;

The supporting table is provided with an arc surface, the arc surface supports the adapter main body, and the protrusion is arranged between the arc surface and the baffle.
The optical module according to claim 33, wherein the engaging portion is provided with an engaging groove, and the engaging groove is engaged with the adapter main body.