Quick locking anti-falling fiber connector buckle structure

CN224907077UActive Publication Date: 2026-10-27ZHENJIANG AOBO COMM EQUIP CO LTD
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Patent Information

Application Number
CN202522674527.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-17
Publication Date
2026-10-27
Estimated Expiration
2035-12-17

AI Technical Summary

Technical Problem

[0004]为了克服上述的技术问题,本实用新型的目的在于提供一种快速锁紧防脱落的光纤连接器卡扣结构,以解决上述背景技术中提出的现有的光纤连接器往往不具有可以防脱落结构,无法对光纤接头的位置进行锁定的问题

Benefits of technology

1、该一种快速锁紧防脱落的光纤连接器卡扣结构设置有防脱落结构,当光纤接头插入光纤连接器时,防脱落结构的卡爪接触到接头外壳,在锁紧结构的套环处于后方(解锁)位置时,支撑板及卡爪在扭簧的作用下保持向外张开的姿态,不妨碍插入,插入到位后,推动套环向前滑动,套环的内壁向前移动并挤压支撑板,迫使支撑板克服扭簧的扭力,带动卡爪向中间收拢并压紧在光纤接头的外壳上,形成牢固的锁死状态,其前端钩状结构自动卡住光纤接头的外壳,实现防脱落,需要拔出时,将套环向后滑动,使压缩弹簧并向内收缩,从而使卡扣脱离插孔,解除对套环的锁定后,套环内壁对支撑板的挤压解除,支撑板和卡爪在扭簧的回复力作用下向外张开,松开对光纤接头的卡紧,此时,即可将光纤接头轻松拔出,显著提升了插拔效率,通过卡爪锁紧与套环推动二次锁死的两级锁定机制,提供了极高的防振动、防意外脱落可靠性,解锁过程需先后拉套环,操作具有明确的顺序和手感,有效防止误操作导致的连接断开。

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Abstract

The utility model relates to optical fiber connector technical field, concretely relates to a kind of quick locking anti-falling optical fiber connector buckle structure, including optical fiber joint, optical fiber connector, anti-falling structure and locking structure, two pivot seat one fixed connection optical fiber connector shell front side, two pivot seat one rotationally connected pivot, pivot's middle rotationally connected pivot seat two, pivot seat two's front side fixed connection support plate, the front end outer wall fixed connection claw of support plate, the inner wall fixed connection two slide rails of the sleeve ring left and right ends, the slide rail slidingly connects sliding block, the left and right ends inner wall of sleeve ring are all set with round hole, the inner wall fixed connection fixed link of round hole, the fixed link slidingly connects buckle. The utility model is provided with anti-falling structure, significantly improves the plug-in efficiency, provides extremely high anti-vibration, anti-accidental falling reliability by the two-stage locking mechanism of claw locking and sleeve ring pushing secondary lock.
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Description

Technical Field

[0001] This utility model belongs to the field of fiber optic connector technology, specifically relating to a quick-locking and anti-dislodgement fiber optic connector snap-fit ​​structure. Background Technology

[0002] A fiber optic connector is a device that allows for a detachable (movable) connection between optical fibers. It precisely aligns the two end faces of the optical fibers to maximize the coupling of the light energy output from the transmitting fiber to the receiving fiber and minimize the impact on the system caused by its intervention in the optical link. These are the basic requirements of a fiber optic connector.

[0003] However, existing fiber optic connectors often lack a structure to prevent them from falling off, making it impossible to lock the position of the fiber optic connector. This causes the fiber optic connector to loosen after prolonged use, reducing connection stability and causing inconvenience during use. Therefore, there is an urgent need for a quick-locking and anti-fall-off fiber optic connector snap-fit ​​structure to solve the above problems. Utility Model Content

[0004] In order to overcome the above-mentioned technical problems, the purpose of this utility model is to provide a fast-locking and anti-dislodgement optical fiber connector buckle structure, so as to solve the problem mentioned in the background art that existing optical fiber connectors often do not have an anti-dislodgement structure and cannot lock the position of the optical fiber connector.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a quick-locking and anti-dislodgement fiber optic connector buckle structure, comprising a fiber optic connector, a fiber optic connector, an anti-dislodgement structure, and a locking structure. The fiber optic connector is inserted into the fiber optic connector. Two insertion holes are provided on both the left and right sides of the fiber optic connector housing. Anti-dislodgement structures are provided on both the left and right ends of the front side of the fiber optic connector. Each anti-dislodgement structure includes two pivot seats, which are fixedly connected to the front side of the fiber optic connector housing. A pivot seat is rotatably connected to the pivot, with a pivot seat rotatably connected to the middle of the pivot. A support plate is fixedly connected to the front side of the pivot seat, and a claw is fixedly connected to the outer wall of the front end of the support plate. The locking structure includes a collar. Two slide rails are fixedly connected to the inner walls of both ends of the collar, and the slide rails are slidably connected to a slider. Circular holes are provided on the inner walls of both ends of the collar, and a fixing rod is fixedly connected to the inner wall of each circular hole. The fixing rod is slidably connected to a buckle, and the buckle engages with the insertion holes.

[0006] Preferably, a limiting plate is fixedly connected to the side of the first rotating shaft seat near the middle, and a limiting plate is fixedly connected to both the upper and lower sides of the second rotating shaft seat.

[0007] Preferably, both the upper and lower ends of the rotating shaft are fitted with torsion springs, one end of the torsion spring abuts against the first limiting plate, and the other end of the torsion spring abuts against the second limiting plate.

[0008] Preferably, a spring is fitted onto the fixing rod, with one end of the spring abutting against the inner wall of the circular hole and the other end of the spring abutting against the buckle.

[0009] Preferably, the outer wall of the buckle is fixedly connected to the limiting plate three, and both the buckle and the limiting plate three are slidably connected to the round hole.

[0010] Preferably, two grooves are provided on both the left and right sides of the fiber optic connector housing, and the slider is fixedly connected in the grooves.

[0011] Preferably, the slider is an inverted trapezoidal slider, the slide rail has a groove corresponding to the slider, and baffles are provided at both the front and rear ends of the slide rail.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. This quick-locking, anti-dislodgement fiber optic connector latching structure is equipped with an anti-dislodgement mechanism. When the fiber optic connector is inserted into the fiber optic connector, the latches of the anti-dislodgement mechanism contact the connector housing. When the locking ring is in the rear (unlocked) position, the support plate and latches remain open outward under the action of the torsion spring, not hindering insertion. After insertion, the ring is pushed forward to slide, and the inner wall of the ring moves forward and presses against the support plate, forcing the support plate to overcome the torsion force of the torsion spring. This causes the latches to retract towards the center and press firmly against the fiber optic connector housing, forming a secure locking state. The hook-like structure at its front end automatically locks the fiber optic connector housing. To prevent detachment, when it is necessary to remove the fiber optic connector, slide the collar backward to compress the spring inward, thereby disengaging the latch from the socket. After the collar is released from its lock, the inner wall of the collar releases pressure on the support plate. The support plate and the claws open outward under the restoring force of the torsion spring, releasing the clamp on the fiber optic connector. At this point, the fiber optic connector can be easily pulled out, significantly improving insertion and removal efficiency. The two-stage locking mechanism of claw locking and collar pushing secondary locking provides extremely high reliability against vibration and accidental detachment. The unlocking process requires pulling the collar sequentially, and the operation has a clear sequence and feel, effectively preventing connection disconnection due to misoperation.

[0013] 2. This quick-locking, anti-dislodgement fiber optic connector buckle structure features a locking mechanism. The locking ring, via its internal slide rail, engages with an inverted trapezoidal slider fixed within a groove on the fiber optic connector housing. This slide rail and slider connection strictly limits the ring to sliding back and forth along the axial direction of the fiber optic connector, preventing rotation or tilting, thus ensuring precise and stable operation. When the ring is pushed to its forward position (locked position), the buckle automatically pops out and engages with the fiber optic connector's socket under the push of a spring. The engagement of the limiting plate and the circular hole prevents the buckle from excessively popping out or completely disengaging, forming a stable self-locking mechanism that reliably holds the ring in the preset locked or unlocked position. The guide design of the slide rail and slider is simple and robust, ensuring smooth and non-jamming movement of the ring and high reliability over long-term use. The self-locking mechanism composed of the buckle and the socket achieves stable ring position maintenance without additional tools or complex operations, demonstrating a clever and effective structure. Attached Figure Description

[0014] Figure 1 This is a front perspective view of the present utility model; Figure 2 This is a schematic diagram of the disassembly of this utility model; Figure 3 This is a schematic diagram of the exploded structure of this utility model; Figure 4 This is a schematic diagram of the explosion-proof structure of the anti-fall-off structure of this utility model; Figure 5 This is an exploded view of the locking structure of this utility model; Figure 6 This is a schematic diagram of the exploded structure of the locking structure of this utility model.

[0015] In the diagram: 1. Fiber optic connector; 2. Fiber optic connector; 21. Groove; 22. Socket; 3. Anti-detachment structure; 31. Rotary shaft seat one; 32. Limiting plate one; 33. Rotary shaft; 34. Torsion spring; 35. Rotary shaft seat two; 36. Limiting plate two; 37. Support plate; 38. Claw; 4. Locking structure; 41. Collar; 42. Slide rail; 43. Slider; 44. Round hole; 45. Fixing rod; 46. Buckle; 47. Limiting plate three; 48. Spring. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1-6 This utility model provides an embodiment of a quick-locking, anti-detachment fiber optic connector snap-fit ​​structure, comprising a fiber optic connector 1, a fiber optic connector 2, an anti-detachment structure 3, and a locking structure 4. The fiber optic connector 1 is inserted into the fiber optic connector 2. Two insertion holes 22 are provided on both the left and right sides of the outer shell of the fiber optic connector 2. Anti-detachment structures 3 are provided on both the left and right ends of the front side of the fiber optic connector 2. The anti-detachment structure 3 includes two rotating shaft seats 31, which are fixedly connected to the front side of the outer shell of the fiber optic connector 2. The two rotating shaft seats 31 rotate... A rotating shaft 33 is connected to a rotating shaft seat 35 in the middle. A support plate 37 is fixedly connected to the front side of the rotating shaft seat 35. A claw 38 is fixedly connected to the outer wall of the front end of the support plate 37. The locking structure 4 includes a collar 41. Two slide rails 42 are fixedly connected to the inner walls of the left and right ends of the collar 41. The slide rails 42 are slidably connected to the slider 43. A round hole 44 is opened on the inner walls of the left and right ends of the collar 41. A fixing rod 45 is fixedly connected to the inner wall of the round hole 44. The fixing rod 45 is slidably connected to the buckle 46. The buckle 46 engages with the insertion hole 22.

[0018] Furthermore, a limiting plate 32 is fixedly connected to the side of the pivot seat 31 near the middle, and a limiting plate 36 is fixedly connected to both the upper and lower sides of the pivot seat 35. These two limiting plates cooperate with each other to provide a stable and precise force fulcrum for the torsion spring 34, thereby ensuring that the opening and closing action of the claw 38 in the anti-detachment structure 3 is both powerful and controllable, and enhancing the mechanical stability of the entire locking process.

[0019] Furthermore, torsion springs 34 are fitted at both the upper and lower ends of the rotating shaft 33. One end of the torsion spring 34 abuts against the first limiting plate 32, and the other end of the torsion spring 34 abuts against the second limiting plate 36. The torsion spring 34 continuously applies an outward opening torque to the support plate 37 through pre-tightening force, so that the pawl 38 can automatically reset and maintain the open posture in the non-locked state, thus preparing for the next insertion and locking action.

[0020] Furthermore, a spring 48 is fitted onto the fixing rod 45. One end of the spring 48 abuts against the inner wall of the round hole 44, and the other end of the spring 48 abuts against the buckle 46. The spring 48 provides the buckle 46 with an automatic reset force, ensuring that when the collar 41 slides to the corresponding position, the buckle 46 can quickly pop out and lock into the insertion hole 22, realizing automatic position locking. At the same time, the fixing rod 45 provides precise guidance for the linear movement of the buckle 46.

[0021] Furthermore, the outer wall of the buckle 46 is fixedly connected to the limiting plate 47. Both the buckle 46 and the limiting plate 47 are slidably connected to the round hole 44. The end face of the limiting plate 47 and the round hole 44 are engaged, which effectively limits the sliding stroke of the buckle 46 on the fixing rod 45, prevents it from over-extending or completely retracting, and ensures that the engagement depth of the buckle 46 and the insertion hole 22 is always stable and reliable.

[0022] Furthermore, two grooves 21 are provided on both the left and right sides of the housing of the fiber optic connector 2. The slider 43 is fixedly connected in the groove 21, and the slider 43 is firmly embedded in the body structure of the fiber optic connector 2, providing a solid foundation for the slide rail 42 of the collar 41, ensuring that the trajectory of the collar 41 is stable when it slides back and forth repeatedly, and that it will not shake or deviate.

[0023] Furthermore, the slider 43 is an inverted trapezoidal slider, and the slide rail 42 has a corresponding groove for the slider 43. Both the front and rear ends of the slide rail 42 are equipped with baffles. The inverted trapezoidal mating structure can effectively prevent the slider 43 from accidentally coming out of the slide rail 42. The baffles at both ends of the slide rail 42 rigidly limit the front and rear sliding stroke of the collar 41 to prevent it from slipping out, thereby improving the overall durability and operation feel of the structure.

[0024] Working principle: During use, when fiber optic connector 1 is inserted into fiber optic connector 2, the claws 38 of the anti-dislodgement structure 3 contact the connector housing. When the collar 41 of the locking structure 4 is in the rear (unlocked) position, the support plate 37 and claws 38 remain open outward under the action of the torsion spring 34, not hindering insertion. After insertion, the collar 41 is pushed forward to slide, and the inner wall of the collar 41 moves forward and squeezes the support plate 37, forcing the support plate 37 to overcome the torque of the torsion spring 34, causing the claws 38 to retract towards the center and press firmly against the housing of fiber optic connector 1, forming a firm locking state. The hook-shaped structure automatically locks the outer shell of the fiber optic connector 1 to prevent it from falling off. When it needs to be pulled out, the collar 41 is slid backward, causing the compression spring 48 to retract inward, thereby disengaging the latch 46 from the socket 22. After the collar 41 is released from its locking position, the pressure of the inner wall of the collar 41 on the support plate 37 is released. Under the restoring force of the torsion spring 34, the support plate 37 and the claw 38 open outward, releasing the locking of the fiber optic connector 1. At this point, the fiber optic connector 1 can be easily pulled out, significantly improving the insertion and removal efficiency. The two-stage locking mechanism, consisting of the locking of the claw 38 and the secondary locking by the push of the collar 41, provides extremely high efficiency. To ensure vibration resistance and prevent accidental detachment, the unlocking process requires pulling the collar 41 sequentially, providing a clear order and tactile feedback, effectively preventing connection disconnection due to misoperation. The collar 41 of the locking structure 4 engages with the inverted trapezoidal slider 43 fixed in the groove 21 of the fiber optic connector 2 housing via its internal slide rail 42. This connection method of the slide rail 42 and slider 43 strictly limits the collar 41 to sliding back and forth along the axis of the fiber optic connector 2, preventing rotation or tilting, ensuring the accuracy and stability of the operation. When the collar 41 is pushed to the front (locked position), the spring 48... Under the push, the buckle 46 automatically pops out and locks into the socket 22 of the fiber optic connector 2. The cooperation between the limiting plate 3 47 and the round hole 44 prevents the buckle 46 from popping out excessively or completely disengaging, forming a stable self-locking mechanism that can reliably hold the collar 41 in the preset locked or unlocked position. The guide design of the slide rail 42 and the slider 43 is simple and robust, ensuring that the collar 41 moves smoothly and without jamming, and has high reliability in long-term use. The self-locking mechanism composed of the buckle 46 and the socket 22 can achieve stable holding of the collar 41 without additional tools or complicated operations. The structure is ingenious and effective.

[0025] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A quick-locking and anti-dislodgement fiber optic connector snap-fit ​​structure, comprising a fiber optic connector (1), a fiber optic connector (2), an anti-dislodgement structure (3), and a locking structure (4), characterized in that: The fiber optic connector (1) is plugged into the fiber optic connector (2). The fiber optic connector (2) has two sockets (22) on both the left and right sides of its outer shell. The fiber optic connector (2) has anti-detachment structures (3) on both the left and right ends of its front side. Each anti-detachment structure (3) includes two pivot seats (31). The two pivot seats (31) are fixedly connected to the front side of the fiber optic connector (2)'s outer shell. The two pivot seats (31) are rotatably connected to a pivot (33). A pivot seat (35) is rotatably connected to the middle of the pivot (33). The pivot seat (35) has... A front-side fixed support plate (37) is fixedly connected to the outer wall of the front end of the support plate (37), and a claw (38) is fixedly connected to the outer wall of the front end of the locking structure (4). The locking structure (4) includes a collar (41), and two slide rails (42) are fixedly connected to the inner walls of the left and right ends of the collar (41). The slide rails (42) are slidably connected to the slider (43). The inner walls of the left and right ends of the collar (41) are provided with round holes (44). The inner walls of the round holes (44) are fixedly connected to the fixing rods (45). The fixing rods (45) are slidably connected to the buckles (46). The buckles (46) engage with the insertion holes (22).

2. The fiber optic connector snap-fit ​​structure for quick locking and preventing detachment according to claim 1, characterized in that: The first rotating shaft seat (31) is fixedly connected to the first limiting plate (32) on the side near the middle, and the second rotating shaft seat (35) is fixedly connected to the second limiting plate (36) on both the upper and lower sides.

3. The quick-locking and anti-dislodgement fiber optic connector snap-fit ​​structure according to claim 1, characterized in that: Both ends of the rotating shaft (33) are fitted with torsion springs (34). One end of the torsion spring (34) abuts against the first limiting plate (32), and the other end of the torsion spring (34) abuts against the second limiting plate (36).

4. The quick-locking and anti-dislodgement fiber optic connector snap-fit ​​structure according to claim 1, characterized in that: A spring (48) is fitted on the fixing rod (45). One end of the spring (48) abuts against the inner wall of the round hole (44), and the other end of the spring (48) abuts against the buckle (46).

5. The fiber optic connector snap-fit ​​structure for quick locking and preventing detachment according to claim 1, characterized in that: The outer wall of the buckle (46) is fixedly connected to the limiting plate three (47), and both the buckle (46) and the limiting plate three (47) are slidably connected to the round hole (44).

6. The fiber optic connector snap-fit ​​structure for quick locking and preventing detachment according to claim 1, characterized in that: The fiber optic connector (2) has two grooves (21) on both the left and right sides of its outer shell, and the slider (43) is fixedly connected in the grooves (21).

7. The fiber optic connector snap-fit ​​structure for quick locking and preventing detachment according to claim 1, characterized in that: The slider (43) is an inverted trapezoidal slider, and the slide rail (42) has a groove corresponding to the slider (43), and baffles are provided at both the front and rear ends of the slide rail (42).