Functional module box and optical fiber distribution frame

By designing a functional module box with a detachable cover and guiding structure in the fiber optic patch panel, the problem of friction and entanglement of optical fibers and connectors during the pulling process is solved, thereby reducing the risk of damage and improving the convenience of wiring.

CN223611763UActive Publication Date: 2025-11-28SHENZHEN ADTEK TECH CO LTD
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Patent Information

Application Number
CN202520021078.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-11-28
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

In fiber optic communication systems, during the process of pulling out functional module boxes, the optical fibers and connectors are prone to friction or pulling against the enclosure or upper module boxes, resulting in loose connections or damage.

Method used

A functional module box is designed, including a box body and a cover. The cover covers the opening of the receiving slot and is detachably connected to the box body to prevent the optical fiber and connection structure from contacting the outside. The box body is slidably connected to the optical fiber distribution frame, and a guide rail and a guide structure are provided to guide the sliding and avoid friction and entanglement.

Benefits of technology

It effectively reduces the risk of damage to optical fibers and connectors during the pulling process, improves the flexibility and convenience of wiring operations, and prevents dust from entering and affecting signal quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a functional module box and an optical fiber distribution frame, and relates to the technical field of optical fiber distribution frames, the functional module box provided by the utility model comprises a box body and a cover body, the box body is provided with an accommodating groove, and the accommodating groove comprises a first opening and a second opening which are formed on two opposite inner side walls of the box body; the cover body covers the notch of the accommodating groove and is detachably connected with the box body; and the box body is in sliding connection with the optical fiber distribution frame. By arranging the cover body to cover the optical fiber and the connecting structure in the functional module box, when the functional module box is located in the box body of the optical fiber distribution frame and the functional module box is pulled, the cover body isolates the optical fiber from the connecting structure to prevent the optical fiber from being rubbed or dragged with the box body or the functional module box on the upper layer to cause loose connection and even damage; and the damage risk of the optical fiber and the connection structure in the module box in the pulling process is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of optical fiber distribution frame, especially a functional module box and optical fiber distribution frame. BACKGROUND

[0002] In the optical fiber communication system, the optical fiber distribution frame plays a vital role, which is mainly responsible for the end processing and distribution of the local main cable. The device can efficiently complete the connection, distribution and scheduling of the optical fiber line, and ensure the smoothness of the communication process. In the optical fiber communication room, the functional module box is usually fixed to the optical fiber distribution frame. The functional module box not only has the functions of fixing and protecting the optical cable, but also has the functions of switching and adjusting the optical cable, and has become an indispensable core component in the information room.

[0003] In the related research process, in order to facilitate wiring operation, the functional module box is slidably arranged in the box body of the optical fiber distribution frame, and the functional module box can be pulled out or pushed into the box body. In the pulling process, especially when multiple layers of functional module boxes are arranged, the optical fiber and the connecting structure connected in the functional module box are easy to be rubbed or pulled by the box body or the upper functional module box, so that the connection is loose or even damaged. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a functional module box and optical fiber distribution frame, which aims to reduce the damage risk of the optical fiber or optical fiber connector in the module box during pulling.

[0005] To achieve the above purpose, the functional module box provided by the utility model comprises a box body and a cover body, the box body is formed with a containing groove, the containing groove comprises a first opening and a second opening formed in opposite two inner side walls of the box body, the cover body covers the slot opening of the containing groove and is detachably connected with the box body, and the box body is slidably connected with the optical fiber distribution frame.

[0006] In an embodiment, the cover body is provided with a first positioning part, the box body is provided with a second positioning part matched with the first positioning part, and the first positioning part is connected with the second positioning part.

[0007] In an embodiment, the functional module box further comprises a handle, the handle is connected with the side wall of the box body, and a hook part is formed at one end of the handle away from the box body.

[0008] In an embodiment, the outer side wall of the box body is provided with a guide rail, the guide rail extends to the outer side wall of the handle and is connected with the handle, and the guide rail is slidably connected with the optical fiber distribution frame.

[0009] In an embodiment, the functional module box further comprises a fiber adapter, which is arranged in the accommodating groove; the fiber adapter has a first connecting port and a second connecting port; the first connecting port is exposed outside the box body through the first opening; and the second connecting port is hidden in the accommodating groove and is arranged towards the second opening.

[0010] In an embodiment, the functional module box further comprises a wire arrangement structure, which is arranged in the accommodating groove; the wire arrangement structure comprises two limiting walls, which are arranged at the bottom wall of the accommodating groove and extend along the direction from the first opening to the second opening; a wire arrangement groove is formed between the two limiting walls and communicates with the second opening; an end of the limiting wall away from the second opening is arranged in a curved manner away from the wire arrangement groove, so that the wire arrangement groove gradually expands in a direction away from the second opening; and the wire arrangement structure further comprises a wire pressing plate, which is arranged at the groove opening of the wire arrangement groove and connects the two limiting walls; and the wire pressing plate is provided with a wire passing seam.

[0011] The utility model further provides a fiber distribution frame, which comprises a box body, a tray and the functional module box according to any one of the above embodiments; the opposite two inner side walls of the box body are respectively provided with a third opening and a fourth opening; the tray passes through the third opening and is slidably connected with the inner wall of the box body; the tray is provided with at least two spaced guide walls, which extend along the direction from the third opening to the fourth opening; and the functional module box is arranged between two adjacent guide walls and is slidably connected with the guide walls.

[0012] In an embodiment, an end of the tray away from the box body is provided with a protective cover; a protective groove is formed between the protective cover and the tray; both ends of the protective groove are provided with wire outlets; and the groove opening of the protective groove is arranged towards the functional module box.

[0013] In an embodiment, an end of the guide wall close to the fourth opening is provided with a cantilever limiting buckle; the cantilever limiting buckle abuts against the functional module box and limits the functional module box on the side of the cantilever limiting buckle away from the fourth opening.

[0014] In an embodiment, the guide wall is provided with an elastic rib and a limiting rib; a guide groove is formed between the elastic rib and the limiting rib; a guide rail is arranged on the outer side wall of the box body; the guide rail is accommodated in the guide groove and is slidably connected with the inner wall of the guide groove; a clamping protrusion is formed on the elastic rib; a gap space is formed between the clamping protrusion and the guide wall; a clamping groove is arranged on the guide rail; and under the condition that the guide rail is slid into the guide groove, the clamping protrusion is clamped with the inner wall of the clamping groove.

[0015] The utility model discloses a functional module box includes box body and lid, and the box body forms the containing groove, and the containing groove includes the first opening and the second opening of the formation in the opposite two inner side walls of box body, and the lid covers the notch of containing groove and is detachably connected with the box body, and the box body is slidably connected with the optical fiber distribution frame. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to the structure shown in these drawings.

[0017] Figure 1 The structural schematic diagram of an embodiment of the functional module box provided by the utility model is shown in the figure.

[0018] Figure 2 The structural schematic diagram of another embodiment of the functional module box provided by the utility model is shown in the figure.

[0019] Figure 3 The structural schematic diagram of still another embodiment of the functional module box provided by the utility model is shown in the figure.

[0020] Figure 4 The structural schematic diagram of still another embodiment of the functional module box provided by the utility model is shown in the figure.

[0021] Figure 5 The structural schematic diagram of an embodiment of the optical fiber distribution frame provided by the utility model is shown in the figure.

[0022] Figure 6 The structural schematic diagram of the box body in the figure is shown in the figure. Figure 5 The structural schematic diagram of the box body in the figure is shown in the figure.

[0023] Figure 7 The structural schematic diagram of the box body in the figure is shown in the figure. Figure 5 The structural schematic diagram of the tray in the figure is shown in the figure.

[0024] Figure 8 The structural schematic diagram of the tray in the figure is shown in the figure. Figure 7 The structural schematic diagram of the tray in the figure is shown in the figure.

[0025] Figure 9 The structural schematic diagram of the guiding wall in the figure is shown in the figure. Figure 8 The structural schematic diagram of the guiding wall in the figure is shown in the figure.

[0026] Figure 10 To Figure 9 Structural schematic view of another perspective of the guide wall.

[0027] Explanation of reference numerals:

[0028] 100, functional module box

[0029] 1, box body; 1a, containing groove; 1a1, first opening; 1a2, second opening; 11, guide rail; 11a, clamping groove; 12, second positioning part

[0030] 2, cover body; 21, first positioning part

[0031] 3, handle; 31, hook part

[0032] 4, fiber adapter; 41, first connection port; 42, second connection port

[0033] 5, wire arrangement structure; 5a, wire arrangement groove; 51, limiting wall; 52, wire pressing plate; 52a, wire passing seam

[0034] 1000, fiber distribution frame

[0035] 200, box body; 200a, third opening; 200b, fourth opening

[0036] 300, tray; 310, guide wall; 310a, guide groove; 310b, gap space; 311, elastic rib; 312, clamping convex; 313, limiting rib; 314, cantilever limiting buckle; 320, protection cover; 320a, protection groove; 320b, wire outlet

[0037] The implementation, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0039] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0040] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the same or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0041] The utility model provides a kind of function module box 100.

[0042] Please refer to Figures 1 to 4 In an embodiment of the utility model, the function module box 100 includes box body 1 and cover body 2, box body 1 is formed with containing groove 1a, containing groove 1a includes first opening 1a1 and second opening 1a2 formed in the opposite two inner side walls of box body 1, cover body 2 covers the slot of containing groove 1a and is detachably connected with box body 1;Box body 1 is slidably connected with fiber distribution frame 1000.

[0043] In the embodiment, containing groove 1a is formed on box body 1, containing groove 1a is through groove, the front and rear ends of containing groove 1a are opened to be used for accessing fiber cable, i.e. the front and rear ends of box body 1 are opened, the front end is first opening 1a1, and the rear end is second opening 1a2. Cover body 2 is detachably connected with box body 1, the slot of containing groove 1a is located at the top of box body 1, and cover body 2 is arranged at the slot of containing groove 1a and closes the slot of containing groove 1a. When the function module box 100 is contained in the fiber adapter frame, cover body 2 can be installed on box body 1, at this time, cover body 2 separates the fiber and fiber connector in box body 1 from the external structure, prevents the fiber or fiber connector in the function module box 100 from being rubbed and pulled by the top cover of the upper function module box 100 or fiber distribution frame 1000, causes the connection to be loose or damaged, at the same time, after closing the slot of containing groove 1a, dust can be prevented from entering the function module box 100, dust accumulation can be prevented from affecting the heat dissipation of the function module box 100 and preventing dust from entering the fiber connection to cause signal attenuation. The detachable connection of cover body 2 and box body 1 can be realized by setting the buckles matched with each other on box body 1 and cover body 2, cover body 2 can also be slidably arranged in the sliding groove on the inner side wall of containing groove 1a and close the slot of containing groove 1a, and cover body 2 and box body 1 can also be connected by setting screw.

[0044] The box body 1 is slidably arranged in the box body 200 of the fiber distribution frame 1000, a guide structure for guiding the sliding of the box body 1 is arranged in the box body 200, and corresponding guide structures are arranged on the left and right outer side walls of the box body 1, so as to improve the smoothness of the sliding of the box body 1 in the box body 200 and guide the sliding direction of the box body 1. For example, guide rails 11 can be arranged on the two sides of the box body 1, and a guide groove 310a matched with the guide rails 11 is arranged in the box body 200, and the guide rails 11 are slidably arranged in the guide groove 310a. It can be understood that the positions of the guide rails 11 and the guide groove 310a can be exchanged, that is, the guide groove 310a is arranged on the left and right outer side walls of the box body 1, and the guide rail 11 is arranged in the box body 200, so as to guide the sliding of the box body 1. The guide rail 11 can also be replaced by a sliding block matched with the guide groove 310a. For another example, sleeves can be arranged on the two sides of the box body 1, and sliding rods are arranged on the inner side walls of the box body 1, the sleeves are sleeved on the outer walls of the sliding rods and can slide along the outer walls of the sliding rods. It can be understood that the side walls of the sleeves can be partially hollowed out to facilitate sleeving on the sliding rods.

[0045] Since the wiring operation will cause the functional module box 100 to be subjected to certain external force, in order to prevent the functional module box 100 from moving under force, the functional module box 100 is usually fixedly installed in the box body 200 of the fiber distribution frame 1000, but such fixed arrangement causes the functional module box 100 to be unable to be flexibly taken out of or placed into the box body 200, which greatly reduces the convenience of the wiring operation. In the embodiment, the guide structure is arranged on the functional module box 100, so that the functional module box 100 can be slidably placed into or taken out of the box body 200 of the fiber distribution frame 1000, and the flexibility and convenience of the functional module box 100 during wiring are improved. The cover 2 is arranged on the top of the functional module box 100, the connection structures such as the light, the fiber connector and the fiber adapter 4 in the functional module box 100 are protected, the connection structures are separated from the box body 200 or the upper functional module box 100, and the connection structures are prevented from being rubbed or pulled to cause loosening or damage of the connection structures during pulling out of the functional module box 100.

[0046] Further, referring to Figures 1 to 3 In an embodiment of the utility model, the cover 2 is provided with a first positioning part 21, the box body 1 is provided with a second positioning part 12 matched with the first positioning part 21, and the first positioning part 21 is connected with the second positioning part 12.

[0047] In the embodiment, the first positioning part 21 is a notch arranged on the side wall of the cover 2, and the second positioning part 12 is a protrusion arranged on the inner side wall of the accommodating groove 1a, the shape of the protrusion is matched with the notch, when the protrusion and the notch are aligned with each other, the cover 2 just closes the slot of the accommodating groove 1a to realize positioning, in addition, the inner wall of the protrusion and the notch can be arranged to be clamped with each other, so as to strengthen the connecting strength of the cover 2 and the box 1. It can be understood that the positions of the protrusion and the notch can be exchanged, that is, the protrusion is arranged on the cover 2, and the notch is arranged on the box 1, and the number of the protrusion and the notch can be increased or reduced according to the needs, which is not limited in the application. In addition, the first positioning part 21 can also be arranged as a positioning column arranged in the box 1, and the second positioning part 12 can also be arranged as a positioning hole arranged on the cover 2.

[0048] Further, please refer to Figures 1 to 4 In an embodiment of the utility model, the handle 3 is connected with the side wall of the box 1, and a hook part 31 is formed at the end of the handle 3 away from the box 1.

[0049] In the embodiment, the handle 3 and the box 1 are integrally formed, and one handle 3 is arranged on the left and right sides of the box 1 of the first opening 1a1 respectively, and the first opening 1a1 is used for inserting the optical fiber cable, that is, the optical fiber cable is located between the left and right handles 3, so that the arrangement of the optical fiber cable is not blocked by the handle 3. The end of the handle 3 away from the box 1 is bent upwards to form a hook part 31, so that the operator can hook the handle 3 with fingers to pull out the functional module box 100.

[0050] Further, please refer to Figures 1 to 4 In an embodiment of the utility model, the outer side wall of the box 1 is provided with a guide rail 11, the guide rail 11 extends to the outer side wall of the handle 3 and is connected with the handle 3, and the guide rail 11 is slidably connected with the optical fiber distribution frame 1000.

[0051] In the embodiment, the handle 3 and the box 1 are integrally formed, the outer side wall of the handle 3 is arranged in the same plane with the outer side wall of the box 1, the outer side wall of the box 1 is provided with a guide rail 11, the guide rail 11 extends to the outer side wall of the handle 3 along the outer side wall of the box 1 and is connected with the handle 3, so as to strengthen the structural strength of the handle 3. The box 1, the handle 3 and the three can be arranged as an integrally formed structure. In this way, the guide rail 11 can not only guide the sliding of the functional module box 100, but also strengthen the structural strength of the handle 3. The guide rail 11 is used for slidably connecting with the box body 200 of the optical fiber distribution frame 1000 to realize the sliding of the functional module box 100 in the box body 200.

[0052] Further, please refer to Figures 1 to 4In an embodiment of the utility model, functional module box 100 still include fiber adapter 4, fiber adapter 4 is located in accommodating groove 1a, fiber adapter 4 has first connecting port 41 and second connecting port 42, first connecting port 41 passes through first opening 1a1 and is exposed outside box body 1, and second connecting port 42 is hidden in accommodating groove 1a and is set to second opening 1a2.

[0053] In the embodiment, functional module box 100 includes multiple fiber adapters 4, and the fiber adapters 4 can adopt LC adapters, SC adapters and MPO adapters, etc. The two ends of the fiber adapters 4 are provided with sockets, which are first connecting port 41 and second connecting port 42 respectively, and the first connecting port 41 and the second connecting port 42 are used for plugging cooperation with the fiber connectors. The inner wall of the first opening 1a1 is provided with a clamping structure to clampingly fix the outer side wall of the fiber adapter 4. The second connecting port 42 is hidden in the accommodating groove 1a and is set to the second opening 1a2, and the fiber at the rear end of the functional module box 100 passes through the second opening 1a2 into the accommodating groove 1a and is plugged with the second connecting port 42 through the fiber connector at the end of the fiber, and the first connecting port 41 extends out of the first opening 1a1, which facilitates pulling out the fiber connector for flexible replacement. That is, the fiber at the rear end of the functional module box 100 will not be easily replaced after the order of the fiber is usually set, so the second connecting port 42 can be hidden in the accommodating groove 1a. When the order of the fiber needs to be adjusted, the order of the fiber at the front end of the functional module box 100 needs to be adjusted. Therefore, the first connecting port 41 is set to be exposed outside the accommodating groove 1a, that is, the first connecting port 41 extends out of the first opening 1a1, which facilitates plugging and unplugging the fiber connector at the front end of the functional module box 100 for adjustment operation.

[0054] Further, please refer to Figure 4 In an embodiment of the utility model, functional module box 100 still includes wire arrangement structure 5, and the wire arrangement structure 5 is arranged in the accommodating groove 1a. The wire arrangement structure 5 includes two limiting walls 51 arranged at the bottom wall of the accommodating groove 1a and extending along the direction from the first opening 1a1 to the second opening 1a2, and a wire arrangement groove 5a is formed between the two limiting walls 51 and communicates with the second opening 1a2. One end of the limiting wall 51 away from the second opening 1a2 is bent away from the wire arrangement groove 5a, so that the wire arrangement groove 5a gradually expands away from the second opening 1a2. The wire arrangement structure 5 further includes a wire pressing plate 52 arranged at the slot of the wire arrangement groove 5a and connected to the two limiting walls 51. The wire pressing plate 52 is provided with a wire passing seam 52a.

[0055] In the embodiment, the wire arrangement structure 5 comprises two limiting walls 51 which are spaced apart from the bottom wall of the accommodating groove 1a and extend along the direction from the first opening 1a1 to the second opening 1a2, the limiting walls 51 can be an integral forming structure with the box body 1, and the limiting walls 51 can be connected with the side wall of the rear end of the accommodating groove 1a. The two limiting walls 51 form a wire arrangement groove 5a which is communicated with the second opening 1a2, the wire arrangement groove 5a is adapted to the shape of the second opening 1a2, and the width of the wire arrangement groove 5a can be set according to the capacity of the functional module box 100, generally, the width of the wire arrangement groove 5a is smaller than the width of the first opening 1a1, which aims to bundle the optical fiber cable to arrange neatly. The end of the limiting wall 51 which is away from the second opening 1a2 is bent away from the wire arrangement groove 5a, so that the wire arrangement groove 5a gradually expands along the direction away from the second opening 1a2, which aims to adapt to the arrangement of the optical fiber, the end of the optical fiber is provided with an optical fiber connector, the size of the optical fiber connector is relatively large, and a larger installation space is needed, therefore, the arrangement of the optical fiber cable near the first opening 1a1 of the accommodating groove 1a is sparse, and the arrangement of the optical fiber cable near the second opening 1a2 of the accommodating groove 1a is dense, therefore, the end of the limiting wall 51 which is away from the second opening 1a2 is bent away from the wire arrangement groove 5a, so that the wire arrangement groove 5a gradually expands along the direction away from the second opening 1a2, which can gradually and gently bundle the optical fiber cable along the direction from the first opening 1a1 to the second opening 1a2, and avoid that the optical fiber cable is affected by a large pulling force to connect and use.

[0056] The utility model discloses still a kind of optical fiber distribution frame 1000.

[0057] Please refer to Figures 5 to 8 In the embodiment of the utility model, the optical fiber distribution frame 1000 comprises a box body 200, a tray 300 and the functional module box 100 of any one of the above embodiments, the opposite two inner side walls of the box body 200 are respectively provided with a third opening 200a and a fourth opening 200b; the tray 300 passes through the third opening 200a and is slidably connected with the inner wall of the box body 200, the tray 300 is provided with at least two spaced guide walls 310, the guide walls 310 extend along the direction from the third opening 200a to the fourth opening 200b; the functional module box 100 is arranged between two adjacent guide walls 310 and is slidably connected with the guide walls 310.

[0058] In the embodiment, the front end of the box 200 is provided with a third opening 200a, the rear end of the box 200 is provided with a fourth opening 200b, and the top of the box 200 is detachably provided with a top cover through screws. The tray 300 passes through the third opening 200a and is slidably connected with the inner wall of the box 200. The sliding of the tray 300 can be guided by setting a guide structure in the tray 300 and the box 200, for example, setting a sliding rail on the tray 300 and setting a sliding groove matched with the sliding rail in the box 200. It can be understood that the positions of the sliding groove and the sliding rail can be exchanged. For another example, a sliding rod can be set in the box 200, and a sleeve matched with the sliding rod is set on the tray 300. The sleeve is sleeved on the outer wall of the sliding rod and can slide along the outer wall of the sliding rod. In the embodiment, a guide wall 310 is arranged on each of the left and right side edges of the tray 300. The outer side of the guide wall 310 is provided with a sliding rail, and the left and right side walls of the box 200 are provided with a sliding groove matched with the sliding rail. The inner side of the guide wall 310 is provided with a guide groove 310a matched with the guide rail 11 on the functional module box 100. In this way, by setting the guide wall 310 on the tray 300, the sliding connection between the tray 300 and the box 200 is realized, and the sliding connection between the functional module box 100 and the tray 300 is also realized. The sliding connection structure is simplified, the space occupation in the box 200 is reduced, and the capacity of the fiber distribution frame 1000 is improved.

[0059] Another guide wall 310 can also be arranged on the tray 300. The two sides of the other guide wall 310 are provided with sliding grooves and are located between the guide walls 310 on the left and right sides of the tray 300. In this way, functional module boxes 100 of different sizes can be arranged correspondingly to improve the flexibility of the wiring scheme of the fiber distribution frame 1000 and meet the wiring requirements of different capacities.

[0060] Further, Figures 5 to 8 In an embodiment of the utility model, the end of the tray 300 away from the box 200 is provided with a protective cover 320, a protective groove 320a is formed between the protective cover 320 and the tray 300, the two ends of the protective groove 320a are provided with wire outlets 320b, and the groove opening of the protective groove 320a faces the functional module box 100.

[0061] In the embodiment, the tray 300 is provided with a protective cover 320 at one end of the box body 200, and the protective cover 320 can be detachably connected or hinged with the tray 300 for facilitating wiring. A protection groove 320a is formed between the protective cover 320 and the tray 300, and the groove opening of the protection groove 320a faces the box body 200. The protection groove 320a is provided with a cable outlet 320b at both ends. When the functional module box 100 is installed on the tray 300, the cable connected out of the functional module box 100 is inserted into the groove opening of the protection groove 320a and is drawn out from the cable outlet 320b. When the functional module box 100 is installed on the tray 300, a group of fiber connectors corresponding to the front opening extend into the protection groove 320a. In this way, the protective cover 320 can isolate the fiber connectors and the connected fiber cables from the rest of the fiber distribution frame 1000 such as the top cover, so as to prevent the fiber connectors from being loosened or damaged due to friction or pulling of the top cover and other mechanisms.

[0062] Further, referring to Figures 8 to 10 In an embodiment of the utility model, the end of the guide wall 310 close to the fourth opening 200b is provided with a cantilever limiting buckle 314, the cantilever limiting buckle 314 abuts against the functional module box 100 and limits the functional module box 100 on the side of the cantilever limiting buckle 314 away from the fourth opening 200b.

[0063] In the embodiment, the cantilever limiting buckle 314 is arranged at the end of the guide wall 310 close to the fourth opening 200b, and a protrusion is arranged on the cantilever limiting buckle 314. The protrusion abuts against the end of the functional module box 100 close to the fourth opening 200b to prevent the functional module box 100 from sliding towards the fourth opening 200b. The cantilever limiting buckle 314 can be deformed to allow the protrusion to avoid the functional module box 100 after being pressed. At this time, the functional module box 100 can be smoothly slid out of the fourth opening 200b, that is, the functional module box 100 can be taken out from the front and rear ends of the box body 200, thereby improving the flexibility and convenience during wiring operation.

[0064] Further, referring to Figures 9 to 10 In an embodiment of the utility model, the guide wall 310 is provided with an elastic rib 311 and a limiting rib 313, and a guide groove 310a is formed between the elastic rib 311 and the limiting rib 313. The outer side wall of the box body 1 is provided with a guide rail 11, the guide rail 11 is accommodated in the guide groove 310a and is in sliding connection with the inner wall of the guide groove 310a. A clamping protrusion 312 is formed on the elastic rib 311, and a gap space 310b is formed between the clamping protrusion 312 and the guide wall 310. The guide rail 11 is provided with a clamping groove 11a. When the guide rail 11 is slid into the guide groove 310a, the clamping protrusion 312 is clamped with the inner wall of the clamping groove 11a.

[0065] In the embodiment, the guiding wall 310 is provided with elastic ribs 311 and limiting ribs 313, the elastic ribs 311 and the limiting ribs 313 are arranged at intervals to form a guide groove 310a, the guide groove 310a is matched with the guide rail 11 arranged on the outer wall of the functional module box 100, so as to realize the sliding of the functional module box 100 on the tray 300. The elastic rib 311 is formed with a clamping convex 312, the clamping convex 312 is hollowed out between the guiding wall 310 to form a gap space 310b, the existence of the gap space 310b eliminates the constraint of the guiding wall 310 on the clamping convex 312, when the guide rail 11 is partially slid into the guide groove 310a, the clamping convex 312 is in sliding abutment with the guide rail 11 and the clamping convex 312 is elastically deformed, when the guide rail 11 is completely slid into the guide groove 310a, the clamping convex 312 is coincided with the position of the clamping groove 11a on the guide rail 11, and under the action of the elastic force, the clamping convex 312 is clamped in the clamping groove 11a, at this time, the elastic force on the clamping convex 312 can meet the fixing requirement when the fiber connector is pulled out of the fiber adapter 4. Continue to pull out the functional module box 100, the clamping convex 312 can be elastically deformed to be separated from the inner wall of the clamping groove 11a, so as to realize the taking out of the functional module box 100 from the box body 200.

[0066] The above is only an exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and the drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A functional module cassette applied to an optical fiber distribution frame, characterized in that, The functional module box comprises: a box body (1) formed with a receiving groove (1a) comprising a first opening (1a1) and a second opening (1a2) formed on opposite inner side walls of the box body (1); and a cover body (2) covering the opening of the receiving groove (1a) and detachably connected with the box body (1); the box body (1) is slidably connected with the fiber distribution frame.

2. The functional module box of claim 1, wherein, The cover body (2) is provided with a first positioning portion (21), and the box body (1) is provided with a second positioning portion (12) matched with the first positioning portion (21), and the first positioning portion (21) is connected with the second positioning portion (12).

3. The functional module box of claim 1, wherein, The functional module box further comprises a handle (3) connected with the side wall of the box body (1), and a hook portion (31) is formed at an end of the handle (3) away from the box body (1).

4. The functional module box of claim 3, wherein, An outer side wall of the box body (1) is provided with a guide rail (11) extending to the outer side wall of the handle (3) and connected with the handle (3), and the guide rail (11) is slidably connected with the fiber distribution frame.

5. The functional module box according to any one of claims 1 to 4, characterized in that, The functional module box further comprises a fiber adapter (4) arranged in the receiving groove (1a); the fiber adapter (4) has a first connecting port (41) and a second connecting port (42), the first connecting port (41) is exposed outside the box body (1) through the first opening (1a1), and the second connecting port (42) is hidden in the receiving groove (1a) and arranged towards the second opening (1a2).

6. The functional module box according to any one of claims 1 to 4, characterized in that The functional module box further comprises a wire arrangement structure (5) arranged in the receiving groove (1a), the wire arrangement structure (5) comprises two limiting walls (51) arranged at the bottom wall of the receiving groove (1a) and extending along the direction from the first opening (1a1) to the second opening (1a2), and a wire arrangement groove (5a) is formed between the two limiting walls (51) and communicates with the second opening (1a2); an end of the limiting wall (51) away from the second opening (1a2) is curvedly arranged away from the wire arrangement groove (5a), so that the wire arrangement groove (5a) gradually expands in the direction away from the second opening (1a2); the wire arrangement structure (5) further comprises a wire pressing plate (52) arranged at the opening of the wire arrangement groove (5a) and connected with the two limiting walls (51), and the wire pressing plate (52) is provided with a wire passing seam (52a).

7. An optical fiber distribution frame, characterized by, The fiber distribution frame comprises: a box body (200) provided with a third opening (200a) and a fourth opening (200b) on opposite inner side walls thereof; A tray (300) is slidably connected with the inner wall of the box (200) through the third opening (200a), and at least two guide walls (310) are arranged on the tray (300) and extend in the direction from the third opening (200a) to the fourth opening (200b); and The functional module box (100) is arranged between two adjacent guide walls (310) and is slidably connected with the guide walls (310).

8. The fiber optic enclosure of claim 7, wherein, One end of the tray (300) away from the box (200) is provided with a protective cover (320), and a protection groove (320a) is formed between the protective cover (320) and the tray (300), both ends of the protection groove (320a) are provided with wire outlets (320b), and the groove opening of the protection groove (320a) is arranged towards the functional module box (100).

9. The fiber optic enclosure of claim 7, wherein, One end of the guide wall (310) close to the fourth opening (200b) is provided with a cantilever limiting buckle (314), the cantilever limiting buckle (314) abuts against the functional module box (100) and limits the functional module box (100) on the side of the cantilever limiting buckle (314) away from the fourth opening (200b).

10. The fiber optic enclosure of claim 7, wherein, The guide wall (310) is provided with an elastic rib (311) and a limiting rib (313), a guide groove (310a) is formed between the elastic rib (311) and the limiting rib (313), the outer side wall of the box body (1) is provided with a guide rail (11), the guide rail (11) is accommodated in the guide groove (310a) and is slidably connected with the inner wall of the guide groove (310a); The elastic rib (311) is formed with a clamping convex (312), a gap space (310b) is arranged between the clamping convex (312) and the guide wall (310), the guide rail (11) is provided with a clamping groove (11a), and under the condition that the guide rail (11) is slid into the guide groove (310a), the clamping convex (312) is clamped with the inner wall of the clamping groove (11a).