Optical fiber distribution tray and optical fiber distribution frame

Abstract

The utility model discloses an optical fiber distribution tray and an optical fiber distribution frame, and relates to the technical field of optical fiber communication, the optical fiber distribution tray comprises a tray body, an optical fiber adapter clamping seat, a rear protective cover and a front protective cover, the optical fiber adapter clamping base is arranged in the containing groove and divides the containing groove into an optical fiber storage groove and a wiring groove, a wire inlet and a wire outlet are formed in the side wall of the wiring groove, the rear protective cover covers a groove opening of the optical fiber storage groove and is detachably connected with the tray body, and the rear protective cover is configured to allow light to penetrate through. The front protective cover covers the notch of the wiring duct and is hinged to the tray body. The front protective cover is configured to rotate relative to the tray body so as to shield or expose the notch of the wiring duct. The wiring condition of optical fibers under the front protective cover and the rear protective cover can be conveniently and quickly observed, and the optical fiber connector under the front protective cover can be quickly adjusted to realize wiring adjustment operation.

Description

Technical Field

[0001] This utility model relates to the field of optical fiber communication technology, and in particular to an optical fiber distribution tray and an optical fiber distribution frame. Background Technology

[0002] In fiber optic communication systems, fiber optic distribution frames play a crucial role. They are primarily responsible for the termination and distribution of optical cables. Fiber optic distribution frames can efficiently complete the connection, distribution, and scheduling of fiber optic lines, ensuring smooth communication.

[0003] In related technologies, a fiber optic distribution frame includes a frame and a fiber optic distribution tray slidably disposed within the frame. The fiber optic distribution tray includes a tray body and fiber optic adapters, fiber optic connectors, and patch cords disposed on the tray body for implementing the wiring function. Under normal operating conditions, the fiber optic distribution tray is located within the frame. When wiring is required, the fiber optic distribution tray can be pulled out from the frame for wiring operations.

[0004] To protect the patch cords, connectors, adapters, and incoming and outgoing optical fibers on the tray body, a protective cover is installed on the tray body. The protective cover is usually snapped onto the tray body or connected by fasteners. The protective cover is not only complicated to remove, but also obstructs the view, making it impossible to directly observe the optical fiber connections inside the cover. Therefore, it is necessary to open the protective cover to observe and then perform wiring operations, which is very inconvenient and inefficient. Utility Model Content

[0005] The main purpose of this utility model is to propose a fiber optic distribution tray and fiber optic distribution frame, which aims to solve the problems of inconvenient and inefficient operation of fiber optic distribution trays with protective covers.

[0006] To achieve the above objectives, the fiber optic distribution tray proposed in this utility model includes a tray body, a fiber optic adapter holder, a rear protective cover, and a front protective cover. The tray body has a receiving groove, the fiber optic adapter holder is disposed in the receiving groove and divides the receiving groove into a fiber storage groove and a distribution groove. The side wall of the distribution groove is provided with an inlet and an outlet. The rear protective cover is disposed on the opening of the fiber storage groove and is detachably connected to the tray body. The rear protective cover is configured to allow light to pass through. The front protective cover is disposed on the opening of the distribution groove and is hinged to the tray body. The front protective cover is configured to rotate relative to the tray body to cover or expose the opening of the distribution groove.

[0007] In one embodiment, the rear protective cover is a light-transmitting structure, or the rear protective cover has a light-transmitting portion.

[0008] In one embodiment, the inner wall of the fiber storage tank is provided with a plurality of second fiber pressing plates, and a second fiber bundle space is formed between the second fiber pressing plates and the inner bottom wall of the fiber storage tank.

[0009] In one embodiment, the periphery of the opening of the fiber storage tank is provided with a plurality of limiting protrusions, and a limiting space is formed between the limiting protrusions and the second fiber pressing plate. The rear protective cover is configured to slide into the limiting space along the direction from the wiring trough to the fiber storage tank.

[0010] In one embodiment, the bottom wall of the fiber storage tank is provided with a positioning protrusion, and the side of the rear protective cover facing the bottom wall of the fiber storage tank is provided with a positioning hole, and the positioning protrusion engages with the inner wall of the positioning hole.

[0011] In one embodiment, the outer side wall of the tray body near the wiring groove is provided with a hinge shaft, and the inner side wall of the front protective cover is provided with an elastic bushing with a shaft hole. The inner wall of the shaft hole is provided with a clearance slot that penetrates the bushing. The clearance slot is used to allow the hinge shaft to be engaged in the shaft hole, and the hinge shaft is hinged to the inner wall of the shaft hole.

[0012] In one embodiment, the inner bottom wall of the fiber storage tank is provided with a fiber winding disc, and a first fiber pressing plate is provided at one end of the fiber winding disc away from the inner bottom wall of the fiber storage tank. A first fiber bundle space is formed between the first fiber pressing plate and the inner bottom wall of the fiber storage tank.

[0013] In one embodiment, the front protective cover is provided with an identification section for identifying the optical fiber information in the wiring trough.

[0014] In one embodiment, the fiber optic adapter socket is provided with an adapter mounting hole that connects the fiber storage slot and the wiring slot.

[0015] This utility model also proposes a fiber optic distribution frame, which includes a frame and a fiber optic distribution tray as described in any of the above embodiments, wherein the fiber optic distribution tray is disposed in the frame.

[0016] The fiber optic distribution tray proposed in this utility model includes a tray body, a fiber optic adapter holder, a rear protective cover, and a front protective cover. The tray body has a receiving groove, the fiber optic adapter holder is disposed in the receiving groove and divides the receiving groove into a fiber storage groove and a distribution groove. The side wall of the distribution groove is provided with an inlet and an outlet. The rear protective cover is disposed on the opening of the fiber storage groove and is detachably connected to the tray body. The rear protective cover is configured to allow light to pass through. The front protective cover is disposed on the opening of the distribution groove and is hinged to the tray body. The front protective cover is configured to rotate relative to the tray body to cover or expose the opening of the distribution groove. This invention features a front and rear protective cover on the tray body. The front protective cover is rotatable relative to the tray body, and the rear protective cover is transparent. Compared to related technologies where the protective cover is snapped to the tray body or connected by fasteners, the rotatable opening of the front protective cover in this invention is convenient and quick, facilitating observation and wiring operations. Furthermore, this invention allows for direct observation of the fiber optic wiring under the rear protective cover without opening it. Therefore, it enables convenient and quick observation of the fiber optic wiring under both the front and rear protective covers, and allows for rapid adjustment of the fiber optic connectors under the front protective cover to achieve wiring adjustments. This solves the problems of inconvenience and low efficiency in wiring operations with fiber optic wiring trays featuring protective covers. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 A schematic diagram of a structural embodiment of the fiber optic distribution tray provided by this utility model;

[0019] Figure 2 for Figure 1 Exploded view of a fiber optic distribution tray;

[0020] Figure 3 for Figure 2 Schematic diagram of the scope of the fiber optic storage trough and wiring trough;

[0021] Figure 4 for Figure 1 A schematic diagram of the structure of the fiber optic distribution tray after concealing the front and rear protective covers;

[0022] Figure 5 for Figure 2 Schematic diagram of the front protective cover;

[0023] Figure 6 for Figure 2 A schematic diagram of the structure of the fiber optic distribution tray after concealing the front and rear protective covers;

[0024] Figure 7 for Figure 6 A magnified view of a portion of point A in the middle.

[0025] Explanation of icon numbers:

[0026] 100. Fiber optic distribution tray;

[0027] 1. Tray body; 1a. Receiving groove; 1b. Fiber storage groove; 1c. Wiring groove; 1c1. Cable inlet; 1c2. Cable outlet; 11. Hinge shaft; 12. Fiber winding tray; 121. First fiber pressing plate; 12a. First fiber bundle space; 13. Second fiber pressing plate; 13a. Second fiber bundle space; 14. Limiting protrusion; 15. Positioning clip protrusion;

[0028] 2. Fiber optic adapter socket; 2a. Adapter mounting hole;

[0029] 3. Rear protective cover; 3a. Positioning clip hole;

[0030] 4. Front protective cover; 41. Marking part; 42. Elastic bushing; 42a. Shaft hole; 42b. Alignment seam.

[0031] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0032] 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 scope of protection of the present utility model.

[0033] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0034] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0035] This utility model proposes an optical fiber distribution tray 100.

[0036] Please see Figures 1 to 3 In one embodiment of the present invention, the fiber optic distribution tray 100 proposed by the present invention includes a tray body 1, a fiber optic adapter holder 2, a rear protective cover 3, and a front protective cover 4. A receiving groove 1a is formed on the tray body 1. The fiber optic adapter holder 2 is disposed in the receiving groove 1a and divides the receiving groove 1a into a fiber storage groove 1b and a distribution groove 1c. The side wall of the distribution groove 1c is provided with an inlet 1c1 and an outlet 1c2. The rear protective cover 3 is disposed on the opening of the fiber storage groove 1b and is detachably connected to the tray body 1. The rear protective cover 3 is configured to allow light to pass through. The front protective cover 4 is disposed on the opening of the distribution groove 1c and is hinged to the tray body 1. The front protective cover 4 is configured to be rotatable relative to the tray body 1 to cover or expose the opening of the distribution groove 1c.

[0037] In this embodiment, the tray body 1 is the basic structure of the entire fiber optic distribution tray 100, and a receiving groove 1a is formed on it for installing and accommodating optical fibers, patch cords, and other components. The tray body 1 can be made of metal or alloy materials to ensure high strength and stability, and can withstand various external forces and the weight of optical fibers and other components that may occur during fiber optic distribution, ensuring that the structure of the tray body 1 is not damaged, thereby ensuring the normal operation of fiber optic distribution. The shape and size of the receiving groove 1a are designed according to the layout of the fiber optic adapter holder 2, the fiber storage groove 1b, and the distribution groove 1c to achieve reasonable space allocation and component installation.

[0038] The fiber optic adapter holder 2 is located within the receiving slot 1a. Its function is to secure the fiber optic adapter, ensuring its stable installation on the tray body 1 and providing a reliable interface for fiber optic connections. The fiber optic adapter holder 2 is structurally designed to match the shape of the fiber optic adapter, fitting tightly with it through upward-opening slots or horizontally extending locking holes to ensure the adapter remains securely in place. Simultaneously, the fiber optic adapter holder 2 divides the receiving slot 1a into a fiber storage slot 1b and a wiring slot 1c. This division clearly defines the functional areas of the fiber optic wiring tray 100. The fiber storage slot 1b is used for storing and organizing jumpers, preventing them from becoming messy or tangled. The wiring slot 1c is used for fiber optic wiring operations. Externally connected fibers and their connectors are located within the wiring slot 1c. The connectors on these fibers are plugged into the fiber optic adapter end closest to the wiring slot 1c. Adjustments can be made by unplugging the connector from the wiring slot 1c and adjusting it, thus improving the efficiency and neatness of fiber optic wiring.

[0039] The side wall of the cable tray 1c is provided with an inlet 1c1 and an outlet 1c2. The inlet 1c1 and outlet 1c2 can be positioned at opposite ends of the cable tray 1c to avoid fiber optic congestion. The inlet 1c1 is used for fiber optic entry into the cable tray 1c, and the outlet 1c2 is used for fiber optic exit from the cable tray 1c. This design allows for smooth entry and exit of the fiber optic cable tray 1c, facilitating fiber optic connection and cabling. The shape and size of the inlet 1c1 and outlet 1c2 are designed according to the diameter and number of fiber optic cables to ensure smooth passage without damage. Understandably, from... Figure 2 As you can see, there is an opening on each of the left and right sides of the wiring duct 1c. In actual use, it can be used flexibly, so that either one of the two openings can be used as the inlet 1c1 and the other as the outlet 1c2.

[0040] The rear protective cover 3 is installed over the opening of the fiber storage tank 1b and is detachably connected to the tray body 1. Its function is to protect the optical fibers within the fiber storage tank 1b from external damage and interference, and to prevent the jumpers within the fiber storage tank 1b from rubbing or hooking against the top cover of the upper tray or patch panel during tray removal, thus preventing damage. The rear protective cover 3 is configured to allow light to pass through, allowing personnel to directly observe the fiber storage status within the fiber storage tank 1b without opening the cover, promptly detecting any abnormalities and improving the safety and reliability of the fiber optic cabling. The detachable connection between the rear protective cover 3 and the tray body 1 can be achieved through snap-fit ​​connections, screws or other fasteners, or a sliding connection via a groove on the tray body 1 that matches the rear protective cover 3. This connection method facilitates the installation and removal of the rear protective cover 3, making it convenient for maintenance and replacement of the optical fibers within the fiber storage tank 1b.

[0041] A front protective cover 4 is installed over the opening of the cable tray 1c and hinged to the tray body 1. Its function is to protect the fiber optic connectors and connected optical fibers within the cable tray 1c, while also facilitating cabling operations. The front protective cover 4 is configured to rotate relative to the tray body 1. Rotating the front protective cover 4 allows the opening of the cable tray 1c to be either covered or exposed. When cabling operations are required, the front protective cover 4 is rotated to the open position, exposing the opening of the cable tray 1c, allowing personnel to observe and adjust the fiber optic connections and wiring. After the cabling operation is completed, the front protective cover 4 is rotated to the closed position, covering the opening of the cable tray 1c and protecting the optical fibers and connectors within. This design ensures the safety of the optical fibers within the cable tray 1c while improving the convenience of cabling operations, significantly increasing the efficiency of fiber optic cabling.

[0042] In summary, this utility model, by providing a front protective cover 4 and a rear protective cover 3 on the tray body 1, and by configuring the front protective cover 4 to be rotatable relative to the tray body 1 and the rear protective cover 3 to be transparent, offers a more convenient and quick way to open the front protective cover 4 compared to the related technologies where the protective cover is snapped to the tray body 1 or connected by fasteners. This facilitates observation and wiring operations. Furthermore, this utility model allows for direct observation of the fiber optic wiring under the rear protective cover 3 without opening it. Therefore, it enables convenient and quick observation of the fiber optic wiring under the front and rear protective covers 4 and 3, and allows for rapid adjustment of the fiber optic connectors under the front protective cover 4 to achieve wiring adjustment operations. This improves the efficiency and convenience of fiber optic wiring and solves the problems of inconvenient and inefficient wiring operations in fiber optic wiring trays 100 with protective covers.

[0043] Furthermore, in one embodiment of this utility model, the rear protective cover 3 is a light-transmitting structure, or the rear protective cover 3 is provided with a light-transmitting part.

[0044] In this embodiment, the rear protective cover 3 is an important component of the fiber optic distribution tray 100. Its main function is to protect the optical fibers in the fiber storage tank 1b and facilitate observation of the optical fiber storage status within the tank 1b. This embodiment provides two schemes to achieve light transmission in the rear protective cover 3.

[0045] In the first scheme, the rear protective cover 3 is a light-transmitting structure, made entirely of a light-transmitting material such as transparent plastic or glass. It is important to note that lightweight, transparent plastic is preferred. If glass is used, the edges must be passivated to prevent scratching the optical fibers, and the glass must be explosion-proof to prevent breakage and damage to the fibers. This use of transparent materials allows personnel to clearly observe the storage status of the optical fibers in the fiber storage tank 1b without opening the protective cover, including the quantity, color, and connection position to the adapter. The use of transparent materials not only improves the convenience of fiber optic cabling but also facilitates the timely detection of fiber optic abnormalities, such as fiber breaks or tangles, enabling prompt action to prevent fiber damage from affecting the communication system.

[0046] In the second design, the rear protective cover 3 has a light-transmitting section. The main body of the rear protective cover 3 can be made of an opaque material, while the light-transmitting section is located at a specific position. The shape and size of the light-transmitting section can be designed according to actual needs, for example, it can be rectangular, circular, or other irregular shapes. The light-transmitting section can be made of a different material than the main body of the rear protective cover 3, such as embedding a transparent plastic or glass light-transmitting section into an opaque plastic rear protective cover 3. This design retains the protective performance of the main body of the rear protective cover 3 while allowing direct observation of the optical fibers inside the fiber storage tank 1b through the light-transmitting section. The light-transmitting section can be positioned above the fiber storage tank 1b so that staff can easily observe the storage status of the optical fibers.

[0047] In this embodiment, the light-transmitting design of the rear protective cover 3 does not affect its detachable connection with the tray body 1. When it is necessary to replace the jumpers in the fiber storage slot 1b, the rear protective cover 3 can still be opened. The detachable connection between the rear cover and the tray body 1 can be achieved by means of snap-fit ​​connection, screws or other fasteners, or by setting a sliding groove on the tray body 1. This ensures that the light-transmitting structure or light-transmitting part can be stably combined with the tray body 1, ensuring the sturdiness and reliability of the rear protective cover 3 during use, and allowing it to be removed when needed. At the same time, the light-transmitting design of the rear protective cover 3 complements the rotatable design of the front protective cover 4, together providing a more convenient operating experience and better protection for the fiber optic distribution tray 100.

[0048] Further, please refer to Figure 4 , Figure 6 and Figure 7 In one embodiment of the present invention, the inner sidewall of the fiber storage tank 1b is provided with a plurality of second fiber pressing plates 13, and a second fiber bundle space 13a is formed between the second fiber pressing plates 13 and the inner bottom wall of the fiber storage tank 1b.

[0049] In this embodiment, the second fiber clamping plate 13 is an important component within the fiber storage tank 1b. The second fiber clamping plate 13 forms a stable second fiber bundle space 13a with the inner bottom wall of the fiber storage tank 1b. Its main function is to constrain the optical fibers, preventing them from protruding from the fiber storage tank 1b due to their own elasticity and thus avoiding damage. When there are many optical fibers, the second fiber clamping plate 13 can press the fibers tightly against the inner bottom wall of the fiber storage tank 1b to prevent them from scattering. The specific structure of the second fiber clamping plate 13 is a thin plate with a certain degree of elasticity, which can be made of metal or plastic materials. This material choice ensures that the second fiber clamping plate 13 has sufficient strength to fix the optical fibers while also possessing a certain degree of elasticity, allowing it to accommodate optical fibers of different diameters and quantities. The shape and size of the second fiber clamping plate 13 are designed according to the shape of the fiber storage tank 1b and the optical fiber storage requirements to ensure that it can effectively fix the optical fibers. The connection between the second fiber clamping plate 13 and the inner wall of the fiber storage tank 1b can be a fixed connection or a detachable connection. If a fixed connection is used, the second fiber pressing plate 13 can be fixed to the inner wall of the fiber storage tank 1b by welding, bonding, or other methods, or the second fiber pressing plate 13 can be made into an integral structure with the tray body 1. This connection method provides structural stability and is suitable for long-term use. If a detachable connection is used, the second fiber pressing plate 13 can be connected to the inner wall of the fiber storage tank 1b by clips, screws, or other methods. This connection method facilitates the installation and replacement of the second fiber pressing plate 13 and is suitable for scenarios that require frequent adjustments to the fiber storage method.

[0050] Further, please refer to Figure 2 , Figure 4 and Figure 7 In one embodiment of the present invention, a plurality of limiting protrusions 14 are provided around the opening of the fiber storage tank 1b, and a limiting space is formed between the limiting protrusions 14 and the second fiber pressing plate 13. The rear protective cover 3 is configured to slide into the limiting space along the direction from the wiring trough 1c to the fiber storage tank 1b.

[0051] In this embodiment, multiple limiting protrusions 14 are provided around the opening of the fiber storage tank 1b, forming a stable limiting space with the second fiber pressing plate 13. The shape and size of these limiting protrusions 14 are designed according to the shape and size of the rear protective cover 3, and can adopt rectangular or circular protrusion structures. The number and distribution of the limiting protrusions 14 are reasonably arranged according to the size and shape of the fiber storage tank 1b to ensure that the rear protective cover 3 can be stably installed at the opening of the fiber storage tank 1b. In this embodiment, the second fiber pressing plate 13 not only serves to press the fiber, but also supports the rear protective cover 3 after it is limited. A limiting space is formed between the limiting protrusions 14 and the second fiber pressing plate 13, which is the key area for the sliding installation of the rear protective cover 3. By reasonably designing the position and shape of the limiting protrusions 14 and the second fiber pressing plate 13, it can be ensured that the rear protective cover 3 can slide smoothly into the limiting space and remain stable after installation. For example, the limiting protrusion 14 can be positioned higher than the opening of the fiber storage tank 1b, so that the fiber space portion is higher than the fiber storage tank 1b, allowing the rear protective cover 3 to easily slide into the limiting space. For another example, please refer to... Figure 1 and Figure 4 This design allows the limiting protrusion 14 to be positioned on the inner wall near the opening of the fiber storage tank 1b, and to maintain a certain distance between the limiting protrusion 14 and the adapter holder. This allows the rear protective cover 3 to slide into the limiting space at a small angle to the horizontal direction. When fully slid in place, the rear protective cover 3 is horizontal, parallel to the bottom wall of the fiber storage tank 1b. This arrangement reduces the overall height of the tray and prevents the limiting protrusion 14 from being higher than the opening of the fiber storage tank 1b, which could easily rub against the top plate of the upper tray or patch panel, affecting the tray's pull-out mechanism. This arrangement of the limiting protrusion 14 allows the rear cover to be slidably and detachably connected to the tray body 1, facilitating the installation and removal of the rear protective cover 3 and preventing it from shifting or falling off during use. This sliding design makes the installation and removal of the rear protective cover 3 very convenient; simply sliding it along a predetermined direction is sufficient. Simultaneously, the sliding installation method reduces wear and tear on components during installation (e.g., stripped screws or threaded holes, broken clips), improving the service life of the components. Meanwhile, the second fiber pressing plate 13 also serves as a fiber pressing plate and a support for limiting the rear sliding cover, thus realizing the multi-functionality of the component, reducing the number of components, and saving production costs.

[0052] Further, please refer to Figure 1 , Figure 2 , Figure 6 and Figure 7 In one embodiment of this utility model, the bottom wall of the fiber storage tank 1b is provided with a positioning protrusion 15, and the side of the rear protective cover 3 facing the bottom wall of the fiber storage tank 1b is provided with a positioning hole 3a, and the positioning protrusion 15 is engaged with the inner wall of the positioning hole 3a.

[0053] In this embodiment, since the rear protective cover 3 is slidably mounted, a positioning protrusion 15 and a positioning hole 3a are provided so that after the rear protective cover 3 slides into the limiting space, it can be fixed to the opening of the fiber storage tank 1b through the snap-fit ​​relationship between the positioning protrusion 15 and the positioning hole 3a. Specifically, the bottom wall of the fiber storage tank 1b is provided with a positioning protrusion 15. Optionally, the positioning protrusion 15 can be directly mounted on the bottom wall of the fiber storage tank 1b or... Figure 7 The fiber winding disc 12 shown is mounted on the bottom wall of the fiber storage tank 1b. Thus, the fiber winding disc 12 serves both as a fiber winding mechanism and as a positioning device for the rear protective cover 3, achieving multi-functionality, reducing the number of components, and saving production costs. The shape and size of the positioning protrusion 15 are designed according to the shape and size of the positioning hole 3a, and can be a circular or rectangular protrusion. The height and width of the positioning protrusion 15 are sufficient to form a stable engagement with the positioning hole 3a. The number and distribution of the positioning protrusions 15 are rationally arranged according to the size and shape of the fiber storage tank 1b to ensure that the rear protective cover 3 can be stably installed at the opening of the fiber storage tank 1b. A positioning hole 3a is provided on the side of the rear protective cover 3 facing the bottom wall of the fiber storage tank 1b. The shape and size of the positioning hole 3a match the positioning protrusion 15. The depth and diameter of the positioning hole 3a are sufficient to allow the positioning protrusion 15 to extend into it and ensure the stability of the engagement. The number and distribution of the positioning holes 3a correspond to the positioning protrusions 15 to ensure that the rear protective cover 3 can be accurately installed in the slot of the fiber storage tank 1b. When the rear protective cover 3 is fully slid into the limiting space, it just covers the upper part of the jumper fiber in the fiber storage tank 1b. At this time, under the action of gravity, the positioning protrusions 15 are engaged in the positioning holes 3a, preventing the rear protective cover 3 from sliding again, thus ensuring the stability of the rear protective cover 3 after installation. When it is necessary to remove the rear protective cover 3, since the height of the limiting space is slightly higher than the rear protective cover 3, the positioning protrusions 15 can be disengaged from the positioning holes 3a by lifting the rear protective cover 3. At this time, the rear protective cover 3 returns to its sliding state, and can then be slid to be removed. This design not only facilitates the installation and removal of the rear protective cover 3, but also effectively prevents the rear protective cover 3 from shifting or falling off during use, improving the reliability and safety of the fiber optic distribution tray 100.

[0054] Further, please refer to Figure 2 , Figure 5 and Figure 6 In one embodiment of the present invention, a hinge shaft 11 is provided on the outer side wall of the tray body 1 near the wiring groove 1c, and an elastic bushing 42 with a shaft hole 42a is provided on the inner side wall of the front protective cover 4. An obstruction slot 42b is provided on the inner wall of the shaft hole 42a, which penetrates the bushing. The obstruction slot 42b is used to allow the hinge shaft 11 to be inserted into the shaft hole 42a, and the hinge shaft 11 is hinged to the inner wall of the shaft hole 42a.

[0055] In this embodiment, a hinge shaft 11 is provided on the outer side wall of the end of the tray body 1 near the wiring trough 1c. Specifically, the hinge shaft 11 in this embodiment does not protrude from the tray body 1, but is formed inside the tray body 1. A notch is provided on the outer side wall of the end near the wiring trough 1c. The hinge shaft 11 connects to the opposite side walls of the notch. The notch is used to provide clearance space for the installation of the bushing. This design makes the front protective cover 4 and the tray body 1 structurally compact and tightly connected, avoiding large gaps that could allow dust and other substances to easily enter the wiring trough 1c. The number and distribution of the hinge shafts 11 are reasonably arranged according to the structure of the tray body 1 and the installation requirements of the front protective cover 4 to ensure that the front protective cover 4 can be stably installed on the tray body 1. This embodiment does not impose any limitations on this.

[0056] The front protective cover 4 is L-shaped and covers the opening of the wiring trough 1c and the side of the tray body 1 away from the fiber storage trough 1b, thus protecting both the wiring trough 1c and the hinge shaft 11 within the front protective cover 4. The inner wall of the front protective cover 4 is provided with an elastic bushing 42 having a shaft hole 42a. The elastic bushing 42 is typically made of a plastic, metal, or alloy with a certain degree of elasticity, ensuring that it has sufficient strength to secure the hinge shaft 11 while also providing sufficient elasticity to easily engage the hinge shaft 11 into the shaft hole 42a. The shape and size of the elastic bushing 42 are designed according to the shape and size of the hinge shaft 11 to ensure effective engagement. The inner wall of the shaft hole 42a has a through-hole slit 42b, the shape and size of which are designed according to the shape and size of the hinge shaft 11. The function of the through-hole slit 42b is to provide a channel for the hinge shaft 11 to smoothly engage into the shaft hole 42a. The width of the clearance slot 42b is smaller than that of the hinge shaft 11. After the bearing seat undergoes elastic deformation, the width of the clearance slot 42b increases, allowing the hinge shaft 11 to engage with the shaft hole 42a. After the hinge shaft 11 engages with the shaft hole 42a, the elastic deformation of the bearing seat recovers. When the hinge shaft 11 rotates relative to the bearing seat without external force, the width of the clearance slot 42b, being smaller than that of the hinge shaft 11, ensures that after the hinge shaft 11 engages with the shaft hole 42a, it remains stably confined within the shaft hole 42a without disengaging. This facilitates the detachment of the front protective cover 4 from the tray body 1, reducing installation difficulty and improving assembly efficiency.

[0057] Further, please refer to Figure 4 , Figure 6 and Figure 7 In one embodiment of the present invention, the inner bottom wall of the fiber storage tank 1b is provided with a fiber winding disc 12, and the end of the fiber winding disc 12 away from the inner bottom wall of the fiber storage tank 1b is provided with a first fiber pressing plate 121, and a first fiber bundle space 12a is formed between the first fiber pressing plate 121 and the inner bottom wall of the fiber storage tank 1b.

[0058] In this embodiment, a fiber winding disc 12 is provided on the inner bottom wall of the fiber storage tank 1b. The shape and size of the fiber winding disc 12 are designed according to the size of the fiber storage tank 1b and the fiber storage requirements. The fiber winding disc 12 has a cylindrical structure, which provides an orderly winding path for the fiber, preventing the fiber from becoming tangled and twisted during storage. The surface of the fiber winding disc 12 can be designed to be smooth to reduce friction on the fiber during winding and protect the fiber from damage. A first fiber pressing plate 121 is provided at one end of the inner bottom wall of the fiber winding disc 12 away from the fiber storage tank 1b. The first fiber pressing plate 121 is designed as a thin plate with a certain degree of elasticity and can be made of metal or plastic. This material choice allows the first fiber pressing plate 121 to have sufficient strength to fix the fiber while also having a certain degree of elasticity to accommodate fibers of different diameters and quantities. The shape and size of the first fiber pressing plate 121 are designed according to the shape of the fiber winding disc 12 and the fiber storage requirements to ensure that it can effectively fix the fiber. The connection between the first fiber pressing plate 121 and the fiber winding disc 12 can be a fixed connection or a detachable connection. If a fixed connection is used, the first fiber clamping plate 121 can be fixed to the outer wall of the fiber winding tray 12 by welding, bonding, or other methods, or the first fiber clamping plate 121 can be set as an integral structure with the fiber winding tray 12. This connection method is structurally stable and suitable for long-term use. If a detachable connection is used, the first fiber clamping plate 121 can be connected to the outer wall of the fiber winding tray 12 by clips, screws, or other methods. This connection method facilitates the installation and replacement of the first fiber clamping plate 121 and is suitable for scenarios that require frequent adjustments to the fiber storage method. A first fiber bundle space 12a is formed between the first fiber clamping plate 121 and the inner bottom wall of the fiber storage tank 1b. Its main function is to constrain the optical fiber and prevent it from being exposed outside the fiber storage tank 1b due to its own elasticity, thus preventing damage. When there are many optical fibers, the first fiber clamping plate 121 can press the optical fibers tightly against the inner bottom wall of the fiber storage tank 1b to prevent them from scattering.

[0059] Further, please refer to Figure 2 In one embodiment of this utility model, the front protective cover 4 is provided with an identification part 41 for identifying the optical fiber information in the wiring trough 1c.

[0060] In this embodiment, the identification part 41 is a label used to record the fiber optic connection status under the front protective cover 4. The label is pasted on the top surface of the front protective cover 4 for convenient subsequent maintenance and recording. Especially when multiple fiber optic distribution trays 100 are used in stacked manner, there are also fiber optic connections between the upper and lower trays. In this case, the lower fiber optic distribution tray 100 can be completely pulled out, and the upper tray can be partially pulled out, so the identification part 41 of the lower tray will not be obstructed. It is very convenient that the entire distribution tray does not need to be removed for maintenance and recording. In conjunction with the rear protective cover 3 in the above embodiment having a light-transmitting structure or having a light-transmitting part, it is possible to conveniently and quickly grasp the fiber optic connection status under the front protective cover 4 and the rear protective cover 3, so as to adjust the fiber optic connector under the front protective cover 4 to realize the adjustment of the distribution operation, thereby improving the efficiency and convenience of fiber optic distribution.

[0061] Further, please refer to Figure 2 and Figure 6 In one embodiment of this utility model, the fiber optic adapter holder 2 is provided with an adapter mounting hole 2a that connects the fiber storage groove 1b and the wiring groove 1c.

[0062] In this embodiment, the fiber optic adapter holder 2 is a key component of the fiber optic distribution tray 100. Its main function is to fix the fiber optic adapter and provide a reliable interface for fiber optic connections. The adapter mounting hole 2a is an important structure on the fiber optic adapter holder 2. Its shape and size are designed according to the specifications of the fiber optic adapter, typically a circular or rectangular hole. Multiple adapter mounting holes 2a can be provided to improve compatibility with fiber optic adapters. The number and distribution of the adapter mounting holes 2a are rationally arranged according to the design requirements of the fiber optic distribution tray 100 to meet the connection needs of different numbers of fibers. The adapter mounting hole 2a connects the fiber storage tank 1b and the distribution tray 1c. This design allows patch cords to connect from the fiber storage tank 1b to the fiber in the distribution tray 1c via fiber optic connectors and adapters, thus achieving optical signal transmission. The inner wall of the adapter mounting hole 2a has a slot for fixing the fiber optic adapter, ensuring that the adapter will not loosen or fall off after installation. This fixing method not only improves the stability of the fiber optic connection but also facilitates the installation and replacement of the adapter.

[0063] This utility model also proposes a fiber optic distribution frame, which includes a frame and a fiber optic distribution tray 100 as described in any of the above embodiments, with the fiber optic distribution tray 100 disposed within the frame. The specific structure of the fiber optic distribution tray 100 is as described in the above embodiments. Since this fiber optic distribution frame adopts all the technical solutions of all the above embodiments, it possesses at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be elaborated further here. The frame is generally box-shaped, with an opening at the front end for the fiber optic distribution tray 100 to enter the support. A guide groove is provided inside the frame, and guide rails are provided on both sides of the tray. The guide rails are slidably connected to the guide groove, realizing the slidable connection between the fiber optic distribution tray 100 and the frame. Multiple layers of fiber optic distribution trays 100 can be arranged within the frame. The slidable connection and stacking arrangement of the frame and the fiber optic distribution tray 100 can refer to mature existing technical solutions, which will not be elaborated further in this embodiment.

[0064] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. An optical fiber distribution tray, comprising: The fiber optic distribution tray includes: The tray body (1) has a receiving groove (1a) formed thereon; Fiber optic adapter holder (2) is provided in the receiving groove (1a) and the receiving groove (1a) is divided into a fiber storage groove (1b) and a wiring groove (1c). The side wall of the wiring groove (1c) is provided with an inlet (1c1) and an outlet (1c2). A rear protective cover (3) is provided over the opening of the fiber storage tank (1b) and is detachably connected to the tray body (1). The rear protective cover (3) is configured to allow light to pass through. A front protective cover (4) is provided over the opening of the wiring trough (1c) and hinged to the tray body (1). The front protective cover (4) is configured to rotate relative to the tray body (1) to cover or expose the opening of the wiring trough (1c).

2. The fiber optic distribution tray of claim 1, wherein, The rear protective cover (3) has a light-transmitting structure; Alternatively, the rear protective cover (3) may have a light-transmitting section.

3. The fiber optic distribution tray of claim 1, wherein, The inner wall of the fiber storage tank (1b) is provided with a plurality of second fiber pressing plates (13), and a second fiber bundle space (13a) is formed between the second fiber pressing plates (13) and the inner bottom wall of the fiber storage tank (1b).

4. The fiber optic distribution tray of claim 3, wherein, The periphery of the opening of the fiber storage tank (1b) is provided with a plurality of limiting protrusions (14), and a limiting space is formed between the limiting protrusions (14) and the second fiber pressing plate (13). The rear protective cover (3) is configured to slide into the limiting space along the direction from the wiring groove (1c) to the fiber storage tank (1b).

5. The fiber optic distribution tray of claim 4, wherein, The bottom wall of the fiber storage tank (1b) is provided with a positioning protrusion (15), and the rear protective cover (3) is provided with a positioning hole (3a) on the side facing the bottom wall of the fiber storage tank (1b). The positioning protrusion (15) is engaged with the inner wall of the positioning hole (3a).

6. The fiber optic distribution tray of claim 1, wherein, The outer side wall of the tray body (1) near the end of the wiring trough (1c) is provided with a hinge shaft (11); The inner wall of the front protective cover (4) is provided with an elastic bushing (42) having a shaft hole (42a). The inner wall of the shaft hole (42a) is provided with a clearance slot (42b) that penetrates the bushing. The clearance slot (42b) is used to allow the hinge shaft (11) to be inserted into the shaft hole (42a). The hinge shaft (11) is hinged to the inner wall of the shaft hole (42a).

7. The fiber optic distribution tray of claim 1, wherein, The inner bottom wall of the fiber storage tank (1b) is provided with a fiber winding disc (12), and a first fiber pressing plate (121) is provided at one end of the fiber winding disc (12) away from the inner bottom wall of the fiber storage tank (1b). A first fiber bundle space (12a) is formed between the first fiber pressing plate (121) and the inner bottom wall of the fiber storage tank (1b).

8. The fiber optic distribution tray of claim 1, wherein, The front protective cover (4) is provided with an identification part (41) for identifying the optical fiber information in the wiring trough (1c).

9. The fiber optic distribution tray of claim 1, wherein, The fiber optic adapter holder (2) is provided with an adapter mounting hole (2a) that connects the fiber storage slot (1b) and the wiring slot (1c).

10. An optical fiber distribution frame, characterized by, The optical fiber distribution frame includes a frame body and the optical fiber distribution tray as claimed in any one of claims 1 to 9, which is arranged in the frame body.

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