Optical module

Abstract

The application discloses an optical module, and belongs to the technical field of optical communication. The optical module comprises a circuit board, an optical assembly, a base, a pressing member and a locking mechanism. The optical assembly is arranged on the circuit board and electrically connected to the circuit board, and is used for emitting and / or receiving an optical signal; the base is arranged on the circuit board and comprises a supporting portion, which is used for supporting an external fiber connector so that the fiber connector is optically coupled to the optical assembly above the optical assembly; the pressing member is used for pressing the fiber connector to fix the fiber connector on the base, and one side of the pressing member is rotationally connected to the supporting portion; and the locking mechanism is used for locking the pressing member on the base, wherein the pressing member and the locking mechanism are separate structures. The optical module has a reliable fixing structure, can be disassembled and assembled with the fiber connector for multiple times, is not prone to deformation, has stable locking force, and prolongs the service life of the optical module.

Description

Technical Field

[0001] This application relates to the field of optical communication technology, and in particular to an optical module. Background Technology

[0002] Optical communication technology is the core support for modern information transmission. As the core component of photoelectric conversion in optical communication systems, the performance of optical modules directly determines the signal transmission rate, stability, and reliability. Co-packaged optics (CPO) technology, as an emerging optoelectronic integration solution, packages the optical engine and electrical switching chip together on the same substrate to achieve higher transmission rates and lower power consumption. In the CPO structure, the optical engine transmits optical signals through optical components and external fiber optic connectors (such as MT connectors). To ensure the stability of optical path alignment and signal transmission quality, a reliable fixing structure must be established between the optical components and the external fiber optic connectors.

[0003] In related technologies, the fixing of optical components and fiber optic connectors mainly relies on sheet metal fastening structures, which achieve locking and unlocking through the elastic deformation of the sheet metal itself. However, after repeated disassembly and reassembly, the sheet metal material is prone to fatigue damage and permanent deformation. This can lead to a decrease in locking force, or even failure to achieve effective locking, causing loosening of the optical path connection, affecting the stability of optical signal transmission, and increasing the failure rate of the optical module. Utility Model Content

[0004] This application provides an optical module with a reliable fixing structure, which allows for multiple disassembly and installation of fiber optic connectors, is not easily deformed, has a stable locking force, and extends the service life of the optical module.

[0005] To achieve the above objectives, an optical module is provided, comprising: Circuit board; An optical component is disposed on and electrically connected to the circuit board, and the optical component is used to emit and / or receive optical signals; A base is disposed on the circuit board. The base includes a support portion for supporting an external fiber optic connector, so that the fiber optic connector is optically coupled to the optical component above the optical component. A pressing member, used to press the fiber optic connector to fix the fiber optic connector to the base, one side of the pressing member being rotatably connected to the support portion; and A locking mechanism is provided for locking the pressing member to the base, wherein the pressing member and the locking mechanism are separate structures.

[0006] Optionally, the pressing component includes a pressure plate and a first rotating shaft, wherein the pressure plate is rotatably connected to the support portion via the first rotating shaft.

[0007] Optionally, the pressing member further includes a first elastic member, which is disposed at the first pivot and abuts against the support portion. The first elastic member is used to drive the pressing member to rotate away from the optical fiber connector.

[0008] Optionally, the first elastic element is a torsion spring, which includes a main body, a first torsion arm, and a second torsion arm. One end of the first torsion arm and one end of the second torsion arm are respectively connected to the main body. The main body is sleeved on the first rotating shaft, and the first torsion arm and the second torsion arm respectively abut against the support and the pressure plate. The support portion is provided with a limiting groove, and at least a portion of the first torsion arm is located within the limiting groove.

[0009] Optionally, the locking mechanism includes a latch, a second rotating shaft, and a second elastic element. The latch has a first end and a second end, and the second rotating shaft is disposed between the first end and the second end of the latch. The latch is rotatably connected to the pressing member through the second rotating shaft. The two ends of the second elastic element are respectively connected to the latch and the pressing member. The second elastic element is used to drive the latch to engage with the base to lock the pressing member.

[0010] Optionally, a protrusion is provided at the first end near the buckle, and a groove is provided on the side of the pressing member facing away from the fiber optic connector; or a groove is provided at the first end near the buckle, and a protrusion is provided on the side of the pressing member facing away from the fiber optic connector. One end of the second elastic element is sleeved on the protrusion, and the other end of the second elastic element is disposed in the groove. The second elastic element is used to drive the second end of the buckle to fasten with the base.

[0011] Optionally, a first snap-fit ​​portion is provided near the second end of the buckle, and a second snap-fit ​​portion is provided on the support portion. The buckle and the base are snapped together through the first snap-fit ​​portion and the second snap-fit ​​portion.

[0012] Optionally, the locking mechanism includes a connecting rod and a locking part connected to each other. The locking part is connected to one end of the connecting rod and is connected to the base through the connecting rod. The locking part can rotate relative to the base about the axis of the connecting rod. The locking part has unequal dimensions in at least two directions on a cross section perpendicular to the connecting rod. The pressing member is provided with a first through hole at the position opposite to the locking part. The diameter of the first through hole is adapted to the size of the locking part, so that the locking part can pass through the first through hole when rotated to at least a first direction, and cannot pass through the first through hole when rotated to a second direction. The first direction and the second direction intersect.

[0013] Optionally, the base is provided with a threaded hole, the connecting rod is provided with threads, and the connecting rod is connected to the base by threads; or, The locking mechanism further includes a stop portion connected to one end of the connecting rod facing away from the locking portion; the base is provided with a second through hole, and in a cross-section perpendicular to the second through hole, the size of the stop portion is larger than the diameter of the second through hole, and the connecting rod passes through the second through hole.

[0014] Optionally, the base has a receiving cavity on the side facing away from the pressing member, the receiving cavity is connected to the second through hole, the stop is disposed in the receiving cavity, and the depth of the receiving cavity is greater than or equal to the depth of the stop in the thickness direction of the optical module.

[0015] Optionally, a buffer pad is provided on the side of the pressing member facing the fiber optic connector, and the pressing member is pressed onto the fiber optic connector through the buffer pad.

[0016] Optionally, the base is provided with a first positioning part on the side facing the optical fiber connector, and the optical fiber connector is provided with a second positioning part corresponding to the first positioning part, and the first positioning part and the second positioning part are mutually inserted and engaged. One of the first positioning part and the second positioning part is a positioning hole, and the other is a positioning post.

[0017] Optionally, the base further includes a flat plate portion disposed on the circuit board, the flat plate portion having a cutout portion, and the optical component being located in the cutout portion; The support portion is disposed on the side of the flat plate facing away from the circuit board. The support portion includes a first support portion and a second support portion disposed opposite to each other, as well as a third support portion and a fourth support portion disposed opposite to each other. The first support portion, the second support portion, the third support portion, and the fourth support portion surround the hollow portion. The fiber optic connector is disposed between the first support portion and the second support portion, and is located on the third support portion and the fourth support portion. One side of the pressing member is rotatably connected to the first support portion, and the opposite side is locked to the second support portion through the locking mechanism.

[0018] In the optical module of this application embodiment, a detachable and fixed external fiber optic connector is achieved through the cooperation of a separately designed pressing component and a locking mechanism. The locking mechanism in this application utilizes a mechanical structure to lock and unlock, avoiding fatigue damage caused by repeated material deformation. It allows for repeated disassembly and installation of the fiber optic connector, is not easily deformed, and has a stable locking force. This not only extends the service life of the optical module but also ensures the stability of the fiber optic connector's position, thereby improving the stability of optical path alignment and signal transmission quality.

[0019] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0022] Figure 1 This is a three-dimensional structural schematic diagram of one embodiment of the optical module of this application; Figure 2 yes Figure 1 An exploded view of the optical module shown. Figure 3 yes Figure 1 A schematic diagram of the exploded structure of the optical module shown from another perspective; Figure 4 This is a three-dimensional structural schematic diagram of another embodiment of the optical module of this application; Figure 5 yes Figure 4 The diagram shows the exploded structure of the optical module. Figure 6 This is a three-dimensional structural schematic diagram of another embodiment of the optical module of this application; Figure 7 yes Figure 6 The diagram shows the exploded structure of the optical module. Figure 8 This is a schematic diagram of the planar structure of another embodiment of the optical module of this application; Figure 9 It is along Figure 8 A cross-sectional view of line AA in the middle.

[0023] Explanation of reference numerals in the attached figures: 100. Optical module; 1. Circuit board; 2. Optical component; 21. Optoelectronic chip; 22. Lens array; 3. Fiber optic connector; 31. Second positioning part; 4. Base; 41. Second snap-fit ​​part; 42. Second through hole; 43. Accommodating cavity; 44. First positioning part; 45. Support part; 451. First support part; 4511. Limiting groove; 452. Second support part; 453. Third support part; 454. Fourth support part; 46. Flat plate part; 461. Hollowed-out part; 5. Pressing Components; 51. Pressure plate; 52. First rotating shaft; 53. First elastic element; 531. Main body; 532. First torsion arm; 533. Second torsion arm; 54. Groove; 55. First through hole; 56. Buffer pad; 6. Locking mechanism; 61. Buckle; 611. First end; 6111. Protrusion; 612. Second end; 6121. First snap-fit ​​part; 62. Second elastic element; 63. Second rotating shaft; 64. Connecting rod; 65. Locking part; 66. Stop part; 7. Fiber optic array. Detailed Implementation

[0024] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application. In addition, it should be understood that the specific embodiments described herein are only for illustration and explanation of this application and are not intended to limit this application. In this application, unless otherwise stated, directional terms such as "up," "down," "left," and "right" generally refer to up, down, left, and right in the actual use or working state of the device, specifically the drawing directions in the accompanying drawings.

[0025] In this application, unless otherwise expressly specified and limited, the terms "connected," "linked," "stacked," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two elements or the interaction between two elements. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0026] This application provides an optical module, which will be described in detail below. It should be noted that the order of description of the following embodiments is not intended to limit the preferred order of the embodiments of this application. Furthermore, the descriptions of each embodiment have their own emphasis; parts not described in detail in a certain embodiment can be referred to in the relevant descriptions of other embodiments.

[0027] Reference Figure 1 and Figure 2 One embodiment of this application provides an optical module 100, including a circuit board 1, an optical component 2, a base 4, a pressing component 5, and a locking mechanism 6.

[0028] Specifically, refer to Figure 1 and Figure 2 In this circuit board 1, the optical module 100 serves as the basic carrier for mounting various functional components. The circuit board 1 is, for example, a rigid printed circuit board (PCB), on which circuits are provided to enable electrical signal transmission between the components.

[0029] Reference Figure 2 Optical component 2 is disposed on and electrically connected to circuit board 1. Optical component 2 is used to emit and / or receive optical signals and to convert between electrical and optical signals. As an example, optical component 2 may include a photoelectric chip 21 and a lens array 22. The photoelectric chip 21 may be electrically connected to circuit board 1, and the lens array 22 may be disposed on the side of the photoelectric chip 21 facing away from circuit board 1 for optical coupling between optical component 2 and external fiber optic connector 3. The photoelectric chip 21 may be a photonic integrated chip, such as a silicon photonic chip, or a laser chip and / or a photodetector chip.

[0030] Reference Figure 2 The fiber optic connector 3 is optically connected to the optical component 2, and the fiber optic array 7 enables the connection between the internal and external optical paths of the optical module 100 to transmit optical signals. The fiber optic connector 3 can be disposed on the side of the lens array 22 facing away from the optoelectronic chip 21. As an example, the fiber optic connector 3 can be an MT-type connector with the fiber optic array 7 fixed to it. In this embodiment, the fiber optic connector 3 is provided with a reflective surface, which is used to reflect the optical signal output from the fiber optic array 7 into the optical component 2, and / or reflect the optical signal output from the optical component 2 into each fiber of the fiber optic array 7.

[0031] Reference Figure 2 The base 4 can be mounted on the circuit board 1, and the base 4 and the circuit board 1 can be connected by adhesive or screws. In this embodiment, the base 4 includes a support part 45, which supports the external fiber optic connector 3 so that the fiber optic connector 3 is above the optical component 2 and optically coupled to the optical component 2, providing stable support and mounting reference for the fiber optic connector 3.

[0032] Reference Figure 1 and Figure 2 The pressing component 5 is used to press the fiber optic connector 3 to fix the fiber optic connector 3 onto the base 4. One side of the pressing component 5 can be rotatably connected to the support part 45. By rotating the pressing component 5, the pressing component 5 can press and release the fiber optic connector 3.

[0033] Reference Figure 1and Figure 2 The locking mechanism 6 is used to lock the pressing part 5 to the base 4. The pressing part 5 and the locking mechanism 6 are separate structures, that is, the locking mechanism 6 is independent of the pressing part 5.

[0034] In some embodiments, refer to Figure 1 and Figure 2 The base 4 may also include a flat plate 46. The flat plate 46 may be disposed on the circuit board 1, and the flat plate 46 has a cutout 461 in which the optical component 2 is located. As an example, the flat plate 46 and the support 45 may be an integrally formed structure. The base 4 may be made of a high-strength thermally conductive material, which can ensure that the support 45 has sufficient support strength while also serving a heat dissipation function.

[0035] A support portion 45 is disposed on the side of the flat plate portion 46 facing away from the circuit board 1. In this embodiment, the support portion 45 may include a first support portion 451 and a second support portion 452 disposed opposite to each other, as well as a third support portion 453 and a fourth support portion 454 disposed opposite to each other. The first support portion 451, the second support portion 452, the third support portion 453, and the fourth support portion 454 surround the cutout portion 461. The fiber optic connector 3 may be disposed between the first support portion 451 and the second support portion 452, and located on the third support portion 453 and the fourth support portion 454. One side of the pressing member 5 may be rotatably connected to the first support portion 451, and the opposite side may be locked to the second support portion 452 by means of a locking mechanism 6.

[0036] In this application, the pressing component 5 is pressed onto the fiber optic connector 3 to fix the fiber optic connector 3 to the base 4. One side of the pressing component 5 is rotatably connected to the support part 45. The locking mechanism 6 is used to lock the pressing component 5 to the base 4, and the pressing component 5 and the locking mechanism 6 are separate structures. Compared with the integrally formed sheet metal fastening structure on the pressing component 5, the locking mechanism 6 in this application does not use its own elastic deformation to achieve locking and unlocking, avoiding fatigue damage caused by repeated deformation of the material. The optical module 100 of this application achieves detachable fixing of the external fiber optic connector 3 through the cooperation of the separately designed pressing component 5 and the locking mechanism 6. The locking mechanism 6 uses a mechanical structure to achieve locking and unlocking, and can maintain a stable locking force after multiple disassembly and installation of the fiber optic connector 3, and is not easily deformed. This not only extends the service life of the optical module 100, but also ensures the stability of the position of the fiber optic connector 3, thereby improving the stability of optical path alignment and signal transmission quality. In addition, in the prior art, the sheet metal fastening structure is close to the optical fiber, which can easily lead to damage to the optical fiber during disassembly and installation. However, the locking structure in this application is far away from the optical fiber array 7, which reduces the risk of damage to the optical fiber array 7.

[0037] In some embodiments, refer to Figure 1 and Figure 2 The pressing component 5 may include a pressure plate 51 and a first rotating shaft 52. The pressure plate 51 is rotatably connected to the support portion 45 via the first rotating shaft 52. In this embodiment, the pressure plate 51 is rotatably connected to the first support portion 451 via the first rotating shaft 52.

[0038] The pressure plate 51 can be in the form of a flat plate. The pressure plate 51 can be made of metal, alloy, or engineering plastic.

[0039] In some embodiments, refer to Figure 1 and Figure 2 The pressing member 5 may further include a first elastic member 53. The first elastic member 53 is disposed at the first rotating shaft 52 and abuts against the support portion 45. The first elastic member 53 is used to drive the pressing member 5 to rotate away from the fiber optic connector 3. In this embodiment, the first elastic member 53 is disposed at the first rotating shaft 52 and abuts against the first support portion 451.

[0040] As an example, refer to Figure 1 and Figure 2 The first elastic element 53 can be a torsion spring, etc. The first elastic element 53 may include a main body 531, a first torsion arm 532, and a second torsion arm 533. One end of the first torsion arm 532 and one end of the second torsion arm 533 are respectively connected to the main body 531. The main body 531 of the first elastic element 53 can be sleeved on the first rotating shaft 52, and the first torsion arm 532 and the second torsion arm 533 can respectively abut against the first support part 451 and the pressure plate 51. When the locking mechanism 6 is locked, the first torsion arm 532 and the second torsion arm 533 can be deformed by being pressed against the first support part 451 and the pressure plate 51, respectively. When the locking mechanism 6 is unlocked, the first torsion arm 532 and the second torsion arm 533 reset and drive the pressure plate 51 to spring upward, realizing the rapid release of the fiber optic connector 3 without manually prying open the pressure plate 51, thus improving operational convenience.

[0041] Reference Figure 1 and Figure 2 A limiting groove 4511 is provided on the first support portion 451, and at least a portion of the first torsion arm 532 is located within the limiting groove 4511. The limiting groove 4511 can limit the position of the first torsion arm 532, thereby limiting the position of the first elastic member 53 and preventing the first elastic member 53 from moving axially along the first rotating shaft 52.

[0042] In some embodiments, refer to Figure 1The pressure plate 51 of the pressing component 5, facing the fiber optic connector 3, may be provided with a buffer pad 56. The pressing component 5 is pressed onto the fiber optic connector 3 through the buffer pad 56. The buffer pad 56 is made of materials such as silicone, foam, or rubber, which have good elasticity and wear resistance. The buffer pad 56 can buffer the impact of the pressure plate 51 on the fiber optic connector 3, avoiding damage to the fiber optic connector 3 due to rigid contact. The buffer pad 56 can also increase the friction between the pressure plate 51 and the fiber optic connector 3, preventing displacement of the fiber optic connector 3 during the pressing process. During the pressing process of the pressure plate 51 onto the fiber optic connector 3, the buffer pad 56 can undergo elastic deformation to fill the gap between the pressure plate 51 and the fiber optic connector 3, transferring the pressing force of the pressure plate 51 to the fiber optic connector 3, thereby improving the positional stability of the fiber optic connector 3.

[0043] In some embodiments, please refer to Figure 3 A first positioning part 44 may be provided on the side of the base 4 facing the fiber optic connector 3. The fiber optic connector 3 is provided with a second positioning part 31 corresponding to the first positioning part 44. The first positioning part 44 and the second positioning part 31 can be plugged into each other. One of the first positioning part 44 and the second positioning part 31 is a positioning hole, and the other is a positioning post. The cooperation of the first positioning part 44 and the second positioning part 31 can realize the precise positioning of the fiber optic connector 3 on the base 4, ensure the optical path alignment accuracy between the fiber optic connector 3 and the optical component 2, and avoid optical signal attenuation due to positional deviation. At the same time, the first positioning part 44 and the second positioning part 31 can also limit the horizontal displacement of the fiber optic connector 3, improving the fixation stability.

[0044] The number of first positioning parts 44 and second positioning parts 31 can be one or more. The number of first positioning parts 44 and second positioning parts 31 is the same, and each first positioning part 44 and second positioning part 31 is provided in a one-to-one correspondence. The first positioning part 44 can be provided on the third support part 453 and / or the fourth support part 454, or it can be provided on the flat plate part 46. In this embodiment, the first positioning part 44 is provided on the fourth support part 454, and the number of both first positioning parts 44 and second positioning parts 31 is two.

[0045] In one embodiment, reference is made to Figure 1 and Figure 2The locking mechanism 6 is located at the end of the pressure plate 51 away from the first rotating shaft 52. The locking mechanism 6 may include a latch 61, a second rotating shaft 63, and a second elastic member 62. The latch 61 has a first end 611 and a second end 612. The second rotating shaft 63 may be located between the first end 611 and the second end 612 of the latch 61. The latch 61 can be rotatably connected to the pressing member 5 via the second rotating shaft 63, that is, the latch 61 can be rotatably connected to the pressure plate 51 via the second rotating shaft 63. The second elastic member 62 is located between the latch 61 and the pressure plate 51, and both ends of the second elastic member 62 can be connected to the latch 61 and the pressure plate 51 of the pressing member 5, respectively. The second elastic member 62 is used to drive the latch 61 to engage with the base 4 to lock the pressing member 5, thereby ensuring that the latch 61 and the base 4 are tightly engaged.

[0046] In some embodiments, please refer to Figure 4 and Figure 5 A protrusion 6111 may be provided at the first end 611 near the latch 61, and the protrusion 6111 may be provided on the side of the latch 61 facing the pressure plate 51. A groove 54 may be provided on the side of the pressing member 5 facing away from the fiber optic connector 3, that is, a groove 54 may be provided on the side of the pressure plate 51 facing the latch 61. One end of the second elastic member 62 may be sleeved on the protrusion 6111, and the other end of the second elastic member 62 may be provided in the groove 54. The second elastic member 62 is used to drive the second end 612 of the latch 61 to fasten with the base 4. As an example, the second elastic member 62 may be a compression spring. The elastic force of the second elastic member 62 can ensure that the second end 612 of the latch 61 is tightly locked with the base 4, and avoid the locking loosened due to external forces such as vibration. In some other embodiments, a groove 54 may also be provided at the first end 611 near the latch 61, and a protrusion 6111 may be provided on the side of the pressing member 5 facing away from the fiber optic connector 3.

[0047] In some embodiments, refer to Figure 2 and Figure 5 A first locking part 6121 can be provided at the second end 612 near the buckle 61, and a second locking part 41 can be provided on the support part 45. The buckle 61 and the base 4 can be connected by the first locking part 6121 and the second locking part 41. The cooperation of the first locking part 6121 and the second locking part 41 can realize quick locking and unlocking.

[0048] One of the first latching portion 6121 and the second latching portion 41 is a latching slot, and the other is a latching block. In this embodiment, referring to... Figure 2 and Figure 5 The first latching part 6121 is a latching block, and the second latching part 41 is a latching groove. The second latching part 41 is disposed on the second support part 452, and the latching rod 61 and the second support part 452 can be connected by latching the first latching part 6121 and the second latching part 41.

[0049] As an example, a locking process for an optical module 100: Place the fiber optic connector 3 on the support part 45 of the base 4, align and insert the second positioning part 31 on the fiber optic connector 3 with the first positioning part 44 on the fourth support part 454, so as to achieve horizontal positioning of the fiber optic connector 3 and ensure that its optical interface is accurately connected with the optical interface of the optical component 2.

[0050] The pressure plate 51 of the pressing component 5 is pressed down, and the pressure plate 51 rotates around the first pivot 52 toward the fiber optic connector 3, while compressing the first elastic element 53. As the pressure plate 51 rotates, the buffer pad 56 gradually contacts the upper surface of the fiber optic connector 3 and applies uniform pressure to it.

[0051] When the first locking part 6121 approaches the position of the second locking part 41, the external force of pressing the clamping member 5 pushes the first locking part 6121 into the second locking part 41. The elastic force of the second elastic member 62 drives the latch 61 to be stably locked in the second locking part 41, completing the locking action.

[0052] Unlocking process of an optical module 100: Press down on the first end 611 of the latch 61 to overcome the elastic force of the second elastic element 62, causing the latch 61 to rotate around the second pivot 63 in a direction away from the second locking part 41, so that the first locking part 6121 disengages from the second locking part 41 and the lock is released.

[0053] After the lock is released, the elastic restoring force of the first elastic element 53 drives the pressure plate 51 to rotate around the first rotating shaft 52 in a direction away from the fiber optic connector 3, thereby automatically opening the pressing part 5 and separating the buffer pad 56 from the fiber optic connector 3.

[0054] The locking and unlocking processes described above can be operated entirely with one hand, which is convenient, quick, and facilitates automated unlocking.

[0055] Reference Figure 6 and Figure 7 Another embodiment of the optical module 100 is provided, which is consistent with... Figure 1-5 The difference between this embodiment and the previous one is that the locking mechanism 6 employs a different structure. Specifically, in this embodiment, the locking mechanism 6 includes a connecting rod 64 and a locking part 65 connected to each other, with the locking part 65 connected to one end of the connecting rod 64. The locking part 65 is rotatably connected to the base 4 via the connecting rod 64 and can rotate relative to the base 4 about the axis of the connecting rod 64. The locking part 65 has unequal dimensions in at least two directions on a cross-section perpendicular to the connecting rod 64.

[0056] Reference Figure 6 and Figure 7The pressure plate 51 of the pressing member 5, positioned opposite the locking part 65, may have a first through hole 55. The first through hole 55 may be located at the end of the pressure plate 51 furthest from the first rotating shaft 52. The diameter of the first through hole 55 is adapted to the size of the locking part 65, allowing the locking part 65 to pass through the first through hole 55 at least when rotated to a first direction, but preventing it from passing through when rotated to a second direction, where the first and second directions intersect. The cross-section of the locking part 65 may be elliptical, racetrack-shaped, rectangular, etc. The shape of the first through hole 55 may match the shape of the cross-section of the locking part 65, and may be elliptical, racetrack-shaped, rectangular, etc.

[0057] The locking part 65 can rotate and switch between a first posture and a second posture via the connecting rod 64, wherein the locking part 65 in the first posture and the locking part 65 in the second posture are in different directions. For example, when the locking part 65 is rotated to the first direction, the locking part 65 is in the first posture and can pass through the first through hole 55. When the locking part 65 is rotated to the second direction, the locking part 65 is in the second posture and cannot pass through the first through hole 55. As an example, during the locking process, the locking part 65 is rotated to the first direction, pushing the pressure plate 51 to rotate and approach the base 4 until the locking part 65 completely passes through the first through hole 55 and the pressure plate 51 is pressed against the fiber optic connector 3. Then, the locking part 65 is rotated to the second direction to press the pressure plate 51 onto the support part 45 through the locking part 65, thus completing the locking.

[0058] Reference Figure 6 and Figure 7 In this embodiment, the locking mechanism 6 may further include a stop 66, which may be connected to the end of the connecting rod 64 facing away from the locking part 65. The base 4 may be provided with a second through hole 42. Please refer to the following: Figure 9 In a cross-section perpendicular to the second through hole 42, the size of the stop portion 66 is larger than the diameter of the second through hole 42, and the connecting rod 64 passes through the second through hole 42. The stop portion 66 can prevent the connecting rod 64 from disengaging from the second through hole 42. The stop portion 66 cooperates with the locking portion 65 to lock the pressure plate 51.

[0059] As an example, the stop portion 66 is cylindrical in shape, the connecting rod 64 is cylindrical in shape, and the outer diameter of the stop portion 66 is larger than the diameter of the second through hole 42. The second through hole 42 can be provided in the support portion 45 or the flat plate portion 46. In this embodiment, the second through hole 42 is provided in the second support portion 452.

[0060] In some embodiments, refer to Figure 8 and Figure 9A receiving cavity 43 may be provided on the side of the base 4 facing away from the pressing member 5. The receiving cavity 43 communicates with the second through hole 42, and the stop part 66 is disposed in the receiving cavity 43. In the thickness direction of the optical module 100, the depth of the receiving cavity 43 is greater than or equal to the depth of the stop part 66. This can prevent the stop part 66 from protruding from the lower surface of the base 4, thereby preventing the stop part 66 from interfering with the circuit board 1 or other components, and ensuring the compactness of the internal structure of the optical module 100.

[0061] In some other embodiments, the connecting rod 64 can be connected to the base 4 via threads. Specifically, the base 4 may have a threaded hole (not shown), which may be located in the first support portion 451. The connecting rod 64 may have threads (not shown). The connecting rod 64 and the base 4 can be connected via threads. The threaded connection allows for height adjustment of the connecting rod 64, thereby adjusting the pressure of the locking portion 65 on the pressure plate 51 of the pressing member 5, ensuring that the pressing force of the pressure plate 51 on the fiber optic connector 3 is moderate, avoiding excessive pressure that could damage the fiber optic connector 3 or insufficient pressure that could result in insecure fixing.

[0062] The threaded hole can be provided in the support portion 45 or the flat portion 46. In this embodiment, the threaded hole is provided in the second support portion 452, and the connecting rod 64 is connected to the second support portion 452 by threads. The thickness of the second support portion 452 is greater than the thickness of the flat portion 46, which not only ensures that the connecting rod 64 has a larger height adjustment range, but also improves the connection strength.

[0063] As an example, the locking process of an optical module 100 in this embodiment is as follows: Place the fiber optic connector 3 on the support part 45 of the base 4, align and insert the second positioning part 31 on the fiber optic connector 3 with the first positioning part 44 on the fourth support part 454, so as to achieve horizontal positioning of the fiber optic connector 3 and ensure that its optical interface is accurately connected with the optical interface of the optical component 2.

[0064] Rotate the locking part 65 to the first direction and press down on the pressure plate 51 of the pressing part 5. The pressure plate 51 rotates around the first pivot 52 toward the fiber optic connector 3, while compressing the first elastic member 53. As the pressure plate 51 rotates, the first through hole 55 of the pressure plate 51 passes through the locking part 65, and the buffer pad 56 gradually contacts the upper surface of the fiber optic connector 3 and generates uniform pressure on it.

[0065] After the locking part 65 has completely passed through the first through hole 55, rotate the locking part 65 to the second direction to lock the pressure plate 51 onto the base 4.

[0066] The unlocking process of an optical module 100 in this embodiment: Rotate the locking part 65 to the first direction, at which point the locking part 65 can pass through the first through hole 55 and the lock is released.

[0067] After the lock is released, the elastic restoring force of the first elastic element 53 drives the pressure plate 51 to rotate around the first rotating shaft 52 in a direction away from the fiber optic connector 3, thereby automatically opening the pressing part 5 and separating the buffer pad 56 from the fiber optic connector 3.

[0068] The locking and unlocking processes described above can be operated entirely with one hand, which is convenient, quick, and facilitates automated unlocking.

[0069] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0070] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0071] The embodiments, implementation methods, and related technical features of this application can be combined and substituted for each other without conflict.

[0072] The above are merely preferred embodiments of this application and are not intended to limit this application in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the technical solution of this application shall still fall within the scope of the technical solution of this application.

Claims

1. An optical module, characterized in that, include: Circuit board; An optical component is disposed on and electrically connected to the circuit board, and the optical component is used to emit and / or receive optical signals; A base is disposed on the circuit board. The base includes a support portion for supporting an external fiber optic connector, so that the fiber optic connector is optically coupled to the optical component above the optical component. A pressing component is used to press the fiber optic connector to fix the fiber optic connector to the base, and one side of the pressing component is rotatably connected to the support portion. as well as A locking mechanism is provided for locking the pressing member to the base, wherein the pressing member and the locking mechanism are separate structures.

2. The optical module according to claim 1, characterized in that, The pressing component includes a pressure plate and a first rotating shaft, and the pressure plate is rotatably connected to the support portion via the first rotating shaft.

3. The optical module according to claim 2, characterized in that, The pressing component further includes a first elastic element, which is located at the first pivot and abuts against the support portion. The first elastic element is used to drive the pressing component to rotate away from the optical fiber connector.

4. The optical module according to claim 3, characterized in that, The first elastic element is a torsion spring, which includes a main body, a first torsion arm and a second torsion arm. One end of the first torsion arm and one end of the second torsion arm are respectively connected to the main body. The main body is sleeved on the first rotating shaft, and the first torsion arm and the second torsion arm respectively abut against the support and the pressure plate. The support portion is provided with a limiting groove, and at least a portion of the first torsion arm is located within the limiting groove.

5. The optical module according to claim 1, characterized in that, The locking mechanism includes a latch, a second rotating shaft, and a second elastic element. The latch has a first end and a second end. The second rotating shaft is disposed between the first end and the second end of the latch. The latch is rotatably connected to the pressing member through the second rotating shaft. The two ends of the second elastic element are respectively connected to the latch and the pressing member. The second elastic element is used to drive the latch to engage with the base to lock the pressing member.

6. The optical module according to claim 5, characterized in that, A protrusion is provided at the first end near the buckle, and a groove is provided on the side of the pressing member facing away from the fiber optic connector; or a groove is provided at the first end near the buckle, and a protrusion is provided on the side of the pressing member facing away from the fiber optic connector. One end of the second elastic element is sleeved on the protrusion, and the other end of the second elastic element is disposed in the groove. The second elastic element is used to drive the second end of the buckle to fasten with the base.

7. The optical module according to claim 6, characterized in that, A first snap-fit ​​portion is provided at the second end near the buckle, and a second snap-fit ​​portion is provided on the support portion. The buckle and the base are snapped together by the first snap-fit ​​portion and the second snap-fit ​​portion.

8. The optical module according to claim 1, characterized in that, The locking mechanism includes a connecting rod and a locking part connected to each other. The locking part is connected to one end of the connecting rod and is connected to the base through the connecting rod. The locking part can rotate relative to the base about the axis of the connecting rod. The locking part has unequal dimensions in at least two directions on a cross section perpendicular to the connecting rod. The pressing member is provided with a first through hole at the position opposite to the locking part. The diameter of the first through hole is adapted to the size of the locking part, so that the locking part can pass through the first through hole when rotated to at least a first direction, and cannot pass through the first through hole when rotated to a second direction. The first direction and the second direction intersect.

9. The optical module according to claim 8, characterized in that, The base has a threaded hole, and the connecting rod has threads; the connecting rod is connected to the base via threads. Alternatively... The locking mechanism further includes a stop portion connected to one end of the connecting rod facing away from the locking portion; the base is provided with a second through hole, and in a cross-section perpendicular to the second through hole, the size of the stop portion is larger than the diameter of the second through hole, and the connecting rod passes through the second through hole.

10. The optical module according to claim 9, characterized in that, The base has a receiving cavity on the side facing away from the pressing member. The receiving cavity communicates with the second through hole. The stop part is located in the receiving cavity. In the thickness direction of the optical module, the depth of the receiving cavity is greater than or equal to the depth of the stop part.

11. The optical module according to claim 1, characterized in that, The side of the pressing member facing the fiber optic connector is provided with a buffer pad, and the pressing member is pressed onto the fiber optic connector through the buffer pad.

12. The optical module according to claim 1, characterized in that, The base has a first positioning part on the side facing the optical fiber connector, and the optical fiber connector has a second positioning part corresponding to the first positioning part. The first positioning part and the second positioning part are inserted into each other. One of the first positioning part and the second positioning part is a positioning hole, and the other is a positioning post.

13. The optical module according to claim 1, characterized in that, The base also includes a flat plate portion, which is disposed on the circuit board. The flat plate portion has a cutout portion, and the optical component is located in the cutout portion. The support portion is disposed on the side of the flat plate portion facing away from the circuit board. The support portion includes a first support portion and a second support portion disposed opposite to each other, as well as a third support portion and a fourth support portion disposed opposite to each other. The first support portion, the second support portion, the third support portion and the fourth support portion surround the hollow portion. The fiber optic connector is disposed between the first support portion and the second support portion, and is located on the third support portion and the fourth support portion; one side of the pressing member is rotatably connected to the first support portion, and the opposite side is locked to the second support portion through the locking mechanism.

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