NID box

Abstract

The utility model discloses an NID box, and relates to the technical field of optical fiber connection, the NID box comprises a box body, an optical fiber welding disc and a mounting member, the box body comprises a bottom box and a cover plate, the cover plate is detachably connected with the bottom box, and an accommodating cavity is enclosed by the cover plate and the bottom box; the optical fiber welding disc is rotatably arranged on the inner wall of the accommodating cavity; the mounting piece is arranged on the bottom wall of the accommodating cavity and is positioned below the optical fiber welding disc; the technical scheme provided by the utility model aims to improve the applicability of the NID box.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber connection technical field, especially NID box. BACKGROUND

[0002] NID (Network Interface Device) box is a kind of equipment for use in optical fiber communication network, mainly used for the functions such as optical cable light splitting, fiber splitting and wiring, and it plays an important role in optical fiber communication network such as optical fiber to house and optical fiber to building.

[0003] Optical fiber fusion splicing disc, adapter mounting seat and the like components in NID box are usually arranged on the bottom plate of NID box in side-by-side layout mode in related technology, and the size of optical fiber fusion splicing disc is usually large due to reserving wiring space on optical fiber fusion splicing disc, so that optical fiber fusion splicing disc occupies a large area of the bottom plate of NID box, and the bottom plate area of box body needs to be expanded in order to continue to accommodate adapter mounting seat and the like components and reserve wiring space on the bottom plate. However, in actual application, NID box is usually installed on wall surface or the like wall surface, and the bottom plate area of NID box is too large to cause the problem of low applicability. SUMMARY

[0004] The main purpose of the utility model is to provide a kind of NID box, to improve the applicability of NID box.

[0005] To achieve the above purpose, the NID box provided by the utility model comprises:

[0006] Box body, the box body includes bottom box and cover plate, the cover plate is detachably connected with the bottom box, and an accommodating cavity is formed by enclosing;

[0007] Optical fiber fusion splicing disc, the optical fiber fusion splicing disc is rotatably arranged on the inner wall of the accommodating cavity; and

[0008] Mounting piece, the mounting piece is arranged on the bottom wall of the accommodating cavity and located below the optical fiber fusion splicing disc.

[0009] In an embodiment, the NID box includes a mounting seat, the mounting seat is arranged on the bottom wall of the accommodating cavity, a clamping groove is formed on the side of the mounting seat away from the bottom wall of the accommodating cavity, the optical fiber fusion splicing disc forms a rotating shaft, and the rotating shaft is rotatably clamped in the clamping groove.

[0010] In an embodiment, the mounting seat forms a first elastic hanging part, the rotating shaft exposed at the end of the clamping groove forms a clamping protrusion, and the clamping protrusion can be clamped and limited with the first elastic hanging part in the rotating stroke of the optical fiber fusion splicing disc.

[0011] In an embodiment, the NID box comprises an optical splitter, the optical fiber fusion splicing board is provided with a splitter card slot, and the optical splitter is accommodated in the splitter card slot.

[0012] In an embodiment, a side of the bottom box is spaced apart to form an inlet cable port and an outlet cable port, and the periphery of each of the inlet cable port and the outlet cable port is provided with a first sealing ring.

[0013] In an embodiment, the mounting member comprises an optical cable pressing block, a winding reel, a plurality of adapter card seats, and a plurality of binding bridges, and the optical cable pressing block, the winding reel, the plurality of adapter card seats, and the plurality of binding bridges are sequentially arranged around the bottom wall of the accommodating cavity from the inlet cable port to the outlet cable port.

[0014] In an embodiment, the NID box comprises an adapter, each of the adapter card seats is provided with a card slot, a side wall of the card slot is formed with a second elastic hanging part, the adapter is accommodated in the card slot, and the second elastic hanging part is hung with the adapter.

[0015] In an embodiment, the NID box comprises a mounting plate, the mounting plate is detachably connected with the bottom wall of the accommodating cavity, and the mounting member and the optical fiber fusion splicing board are connected with the mounting plate; and / or

[0016] A side of the bottom box forms a grounding assembly.

[0017] In an embodiment, the NID box comprises a locking member, a side wall of the cover plate is rotationally connected with a side wall of the bottom box, another side wall of the cover plate is formed with a first mounting block, another side wall of the bottom box is formed with a second mounting block, and the locking member is arranged through the first mounting block and the second mounting block to connect the bottom box with the cover plate; and / or

[0018] Another side wall of the cover plate is formed with a buckle, another side wall of the bottom box is formed with a buckling member, the buckling member is provided with a through slot, and the buckle passes through the through slot to be buckled with the buckling member.

[0019] In an embodiment, the NID box comprises a second sealing ring, a side of the cover plate facing the bottom box is provided with a mounting slot, the second sealing ring is accommodated in the mounting slot and exposed at a slot opening of the mounting slot.

[0020] In the technical scheme of the utility model, the optical fiber fusion splicer is rotatably arranged on the inner wall of the accommodating cavity, and the mounting member is arranged below, so that the optical fiber fusion splicer and the mounting member are arranged in layers in the accommodating cavity, the internal space of the NID box is more reasonably utilized, the optical fiber fusion splicer with large size does not need to be arranged on the bottom wall of the accommodating cavity, sufficient mounting space is provided for the mounting member, meanwhile, the bottom plate area of the NID box can be kept small, so that the NID box is more suitable for being arranged on the wall surface or other wall surface with limited space, and the applicability of the NID box is improved. In addition, the optical fiber fusion splicer is rotatably arranged on the inner wall of the accommodating cavity, so that the position of the optical fiber fusion splicer can be adjusted when needed, thereby leaving space for other components, the problem that the bottom plate area needs to be enlarged due to the large size of the optical fiber fusion splicer is avoided, and the structure of the whole NID box is more compact; during actual optical fiber fusion and maintenance, the angle and position of the optical fiber fusion splicer can be freely adjusted according to needs. For example, when optical fiber fusion is needed, the optical fiber fusion splicer can be rotated to a position convenient for operation; when other components need to be installed or maintained, the optical fiber fusion splicer can be rotated to a position not affecting operation, and the flexibility significantly improves work efficiency and reduces operation time; the rotatable optical fiber fusion splicer design enables the position of the optical fiber fusion splicer to be easily adjusted by an operator during maintenance and repair, so that the optical fiber connection can be better checked and repaired. Meanwhile, the mounting member is arranged below the optical fiber fusion splicer, and the layout also makes the mounting member (such as an adapter mounting seat, a winding disc or the like) more easily operated and maintained, and further improves the convenience of maintenance. The optical fiber fusion splicer is rotatably arranged on the inner wall of the accommodating cavity, the optical fiber fusion splicer can be designed to be movably connected with the inner wall of the accommodating cavity through a hinge, or a mounting seat can be arranged on the inner wall of the accommodating cavity, and the optical fiber fusion splicer is rotatably connected with the mounting seat, and the utility model does not limit this; the mounting member can be an adapter mounting seat or a winding disc, and the utility model does not limit this; the detachable connection of the cover plate and the bottom box can adopt a bolt, a buckle or other mechanical connection mode, and the utility model does not limit this. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structures shown in these drawings without creating labor for those skilled in the art.

[0022] Figure 1 The utility model provides the structure schematic diagram of NID box embodiment;

[0023] Figure 2 For Figure 1 The local enlarged view of A in the figure;

[0024] Figure 3 The utility model provides a structure schematic drawing of another embodiment of NID box provides,

[0025] Figure 4 The utility model provides an explosion structure schematic drawing of an embodiment of NID box provides,

[0026] Figure 5 The utility model provides a wiring schematic drawing of an embodiment of NID box provides,

[0027] Figure 6 The utility model provides a wiring schematic drawing of another embodiment of NID box provides.

[0028] Explanation of the attached drawing:

[0029] 100, NID box;1, box body;11, bottom box;111, cable inlet;112, cable outlet;113, first sealing ring;114, second mounting block;115, buckling piece;115a, through slot;116, grounding assembly;12, cover plate;121, first mounting block;122, buckle;123, mounting groove;13, containing cavity;2, optical fiber fusion splicing disc;21, rotating shaft;22, clamping convex part;23, optical splitter clamping groove;3, mounting piece;31, optical cable pressing block;32, winding disc;33, adapter clamping seat;331, clamping groove;332, second elastic hanging part;34, binding bridge;4, mounting seat;41, clamping groove;42, first elastic hanging part;5, mounting plate;6, locking piece;7, second sealing ring.

[0030] The utility model discloses the realization, functional characteristics and advantages will be further explained with reference to the embodiment. Specific implementation

[0031] The technical scheme in the embodiment of the utility model will be described clearly and completely in the embodiment of the utility model in combination with the drawings, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of the utility model protection.

[0032] It should be noted that if the embodiment of the utility model involves directionality indication (such as up, down, left, right, front, back, etc.), the directionality indication is only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, if the certain posture changes, the directionality indication also changes accordingly.

[0033] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, 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 indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include 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 include A scheme, or B scheme, or A and B satisfy the scheme at the same time. 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 cannot be realized, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.

[0034] The utility model provides a kind of NID box 100.

[0035] Please refer to Figure 1 And Figure 2 In an embodiment of the present application, the NID box 100 includes a box body 1, an optical fiber fusion splice tray 2, and a mounting member 3. The box body 1 includes a bottom box 11 and a cover plate 12. The cover plate 12 is detachably connected to the bottom box 11 and encloses an accommodation cavity 13. The optical fiber fusion splice tray 2 is rotatably arranged on the inner wall of the accommodation cavity 13. The mounting member 3 is arranged on the bottom wall of the accommodation cavity 13 and located below the optical fiber fusion splice tray 2.

[0036] In the technical scheme of the utility model, the optical fiber fusion splicing disc 2 is rotatably arranged on the inner wall of the accommodating cavity 13, and the mounting member 3 is arranged below, so that the optical fiber fusion splicing disc 2 and the mounting member 3 are arranged in layers in the accommodating cavity 13, the internal space of the NID box 100 is more reasonably utilized, the optical fiber fusion splicing disc 2 with a relatively large size does not need to be arranged on the bottom wall of the accommodating cavity 13, sufficient mounting space is provided for the mounting member 3, meanwhile, the area of the bottom plate of the NID box 100 can be kept small, so that the NID box 100 is more suitable for being arranged on a wall surface or other wall surface with limited space, and the applicability of the NID box 100 is improved. In addition, the optical fiber fusion splicing disc 2 is rotatably arranged on the inner wall of the accommodating cavity 13, so that the position of the optical fiber fusion splicing disc 2 can be adjusted when needed, thereby providing space for other components, the problem that the bottom plate area needs to be enlarged due to the relatively large size of the optical fiber fusion splicing disc 2 is avoided, and the structure of the entire NID box 100 is more compact; during actual optical fiber fusion and maintenance, the angle and position of the optical fiber fusion splicing disc 2 can be freely adjusted according to needs. For example, when optical fiber fusion is needed, the optical fiber fusion splicing disc 2 can be rotated to a position convenient for operation; when installation or maintenance of other components is needed, the optical fiber fusion splicing disc 2 can be rotated to a position not affecting operation, and the flexibility significantly improves work efficiency and reduces operation time; the rotatable optical fiber fusion splicing disc 2 design enables the position of the optical fiber fusion splicing disc 2 to be easily adjusted by an operator during maintenance and repair, so that optical fiber connection can be better checked and repaired. Meanwhile, the mounting member 3 is arranged below the optical fiber fusion splicing disc 2, and the layout also makes the mounting member 3 (such as an adapter mounting seat, a winding disc 32, etc.) more easily operated and maintained, and further improves the convenience of maintenance. The optical fiber fusion splicing disc 2 is rotatably arranged on the inner wall of the accommodating cavity 13, the optical fiber fusion splicing disc 2 can be designed to be movably connected with the inner wall of the accommodating cavity 13 through a hinge, or a mounting seat 4 can be arranged on the inner wall of the accommodating cavity 13, and the optical fiber fusion splicing disc 2 is rotatably connected with the mounting seat 4, and the utility model does not limit this; the mounting member 3 can be an adapter mounting seat or a winding disc 32, and the utility model does not limit this; the detachable connection of the cover plate 12 and the bottom box 11 can adopt a bolt, a buckle or other mechanical connection mode, and the utility model does not limit this.

[0037] Specifically, refer to Figure 2In an embodiment of the utility model, the NID box 100 includes the mounting seat 4, the mounting seat 4 is located at the bottom wall of the containing cavity 13, the side of the mounting seat 4 away from the bottom wall of the containing cavity 13 is provided with the clamping groove 41, the optical fiber fusion splice tray 2 is formed with the pivot 21, the pivot 21 can be rotatably clamped in the clamping groove 41. The mounting seat 4 is located at the bottom wall of the containing cavity 13, is used for supporting and fixing the optical fiber fusion splice tray 2, so that it can realize rotatable function, the clamping groove 41 provides the mounting and rotation support for the pivot 21 of the optical fiber fusion splice tray 2, through the cooperation of the pivot 21 and the clamping groove 41, the optical fiber fusion splice tray 2 can be stably mounted on the mounting seat 4, and rotatable function is realized, the clamping design of the pivot 21 and the clamping groove 41 ensures that the optical fiber fusion splice tray 2 does not loosen or fall off during rotation, improves the stability and reliability of equipment, operating personnel can freely adjust the angle and position of the optical fiber fusion splice tray 2 as required, so that it is more convenient in the process of optical fiber fusion and maintenance, the cooperation of the pivot 21 and the clamping groove 41 makes the rotation of the optical fiber fusion splice tray 2 more flexible, and operating personnel can easily rotate the optical fiber fusion splice tray 2 to the position convenient for operation, improve work efficiency, by rotatably mounting the optical fiber fusion splice tray 2 on the mounting seat 4, further optimize the utilization of the internal space of the NID box 100, so that the structure of the whole NID box 100 is more compact, the bottom plate area can keep small, so that it is more suitable for being installed on the wall with limited space.

[0038] Please refer to Figure 2 In order to realize the turnover limiting of the optical fiber fusion splice tray 2, in an embodiment of the utility model, the mounting seat 4 is formed with the first elastic hanging part 42, the end of the clamping groove 41 is formed with the clamping convex part 22, the clamping convex part 22 can be clamped and limited with the first elastic hanging part 42 in the rotation stroke of the optical fiber fusion splice tray 2. In the rotation stroke of the optical fiber fusion splice tray 2, the clamping convex part 22 can be clamped and limited with the first elastic hanging part 42 on the mounting seat 4, this design allows the optical fiber fusion splice tray 2 to be fixed at a specific position, prevents it from rotating randomly when not needed, and can be easily released when the position needs to be adjusted, the design makes the optical fiber fusion splice tray 2 can be flexibly turned to the appropriate position as required, which is convenient for optical fiber fusion and maintenance operation. Operating personnel can easily turn the fusion tray to an angle convenient for operation, and turn it back to the original position and fix it after completing the operation, through the turnover limiting design, the optical fiber fusion splice tray 2 can be folded or rotated to a position that does not occupy too much space when not in use, thereby optimizing the space utilization inside the NID box 100, the cooperation of the elastic hanging part and the clamping convex part 22 ensures the stability of the optical fiber fusion splice tray 2 when fixed in position, avoiding loosening of the fusion tray due to external force or vibration.

[0039] In an embodiment, the first elastic hanging part 42 adopts the design of an elastic arm, the end of the elastic arm away from the mounting base 4 is provided with a clamping protrusion, and clamping and limiting are realized through the clamping protrusion and the clamping convex part 22 on the rotating shaft 21 of the optical fiber fusion splicer 2. The elastic arm has a certain elasticity, can be deformed under external force, and restores to the original state after the force disappears, so that the clamping and releasing operations are more flexible, sufficient elastic support is provided, and the reliability of clamping is ensured; the shape and size of the clamping protrusion can be optimized according to the clamping convex part 22, so as to ensure the stability and reliability during clamping. Further, a guide inclined surface is formed on the clamping protrusion, during the rotating stroke of the optical fiber fusion splicer 2, the clamping convex part 22 presses the elastic arm along the guide inclined surface, the elastic arm is elastically deformed, when the clamping convex part 22 reaches the clamping position, the elastic arm restores to the original state, and the clamping protrusion and the clamping convex part 22 realize clamping and limiting, the arrangement of the guide inclined surface can guide the clamping convex part 22 to smoothly enter the clamping position, and ensure that the clamping convex part 22 can be accurately aligned when entering the clamping position.

[0040] Referring to Figure 1 In an embodiment of the utility model, the NID box 100 includes an optical splitter, the optical fiber fusion splicer 2 is provided with a splitter clamping groove 23, and the optical splitter is contained in the splitter clamping groove 23. The splitter clamping groove 23 is arranged on the optical fiber fusion splicer 2, is used for fixing and installing the optical splitter, so that the optical splitter can be stably installed on the optical fiber fusion splicer 2, and the transmission stability and reliability of optical signals are ensured, the optical splitter is integrated on the optical fiber fusion splicer 2, the wiring complexity inside the NID box 100 is reduced, the structure of the NID box 100 is more compact, installation and maintenance are facilitated, and the overall performance and reliability of the equipment are improved. The main function of the optical splitter is to distribute one input optical signal to multiple output optical signals according to a set ratio, in the application scenarios of fiber to the home and fiber to the building, the optical splitter enables multiple end users to share one optical fiber network, and the utilization rate of optical fiber resources is greatly improved, through the optical splitter, efficient distribution of optical signals can be realized, multiple users can access the network simultaneously, and the coverage range and service capacity of the network are improved. Specifically, after the outdoor optical cable accesses the NID box 100, the optical fiber in the optical cable is fused with the pigtail through the optical fiber fusion splicer 2, the fused pigtail is connected to the input end of the optical splitter, the optical splitter divides the input optical signal into multiple output optical signals, the split optical signals are connected to other pigtails or jumpers through adapters, and the split pigtails or jumpers are connected to the equipment at the user end, such as optical transceivers and optical modules, so as to realize transmission and conversion of optical signals and meet the needs of multiple users.

[0041] Referring to Figure 3In an embodiment of the utility model, one side of bottom box 11 is formed with cable inlet 111 and cable outlet 112, the periphery of cable inlet 111 and cable outlet 112 is equipped with first sealing ring 113. Cable inlet 111 is used to introduce external optical cable into NID box 100, so as to carry out optical fiber fusion, branching and other operations, ensure that optical cable can safely and stably enter NID box 100, provide convenience for subsequent optical fiber processing, cable outlet 112 is used to lead processed optical fiber (such as branched optical fiber) out of NID box 100 and connect to user end or other equipment, ensure that processed optical fiber can be smoothly output, complete optical signal transmission, first sealing ring 113 is installed on the periphery of cable inlet 111 and cable outlet 112, can effectively prevent moisture and dust from entering NID box 100, in outdoor or humid environment, waterproof and dustproof function is very important, can protect optical fiber fusion disc 2, optical branching device and other components in NID box 100 from environmental influence, prolong the service life of equipment, first sealing ring 113 provides good sealing performance, ensure that optical cable will not affect the normal work of internal components when entering and exiting NID box 100 due to external factors (such as wind and rain, dust and the like), good sealing property can improve the reliability and stability of equipment, reduce the failure caused by environmental factors, first sealing ring 113 usually adopts material with good weather resistance and high elasticity, such as rubber or silica gel, to ensure that first sealing ring 113 can maintain good sealing performance under different environmental conditions, first sealing ring 113 can be installed on the periphery of cable inlet 111 and cable outlet 112 through buckle, bonding or other fixing mode, ensure that it will not be loose during use.

[0042] Please refer to Figure 3In an embodiment of the utility model, the installation piece 3 includes optical cable pressing block 31, reel 32, a plurality of adapter card seat 33 and a plurality of binding bridge 34, optical cable pressing block 31 reel 32 a plurality of adapter card seat 33 and a plurality of binding bridge 34 are by the cable inlet 111 to the cable outlet 112 in order around be located in the bottom wall of containing chamber 13. Optical cable pressing block 31 is used for fixing the optical cable into NID box 100, prevents the optical cable from moving or loosening during operation, ensures the stability of optical cable, avoids the optical cable damage or connection loosening due to external force, reel 32 is used for winding the excess optical fiber, keeps the neat and orderly of optical fiber, avoids the optical fiber winding and damage, improves the efficiency and reliability of optical fiber management, adapter card seat 33 is used for installing optical fiber adapter, connects optical fiber jumper and tail fiber, and binding bridge 34 is used for fixing and binding optical fiber, keeps the neat and orderly of optical fiber, avoids the optical fiber in NID box 100 in disorder, reduces the risk of optical fiber damage, improves maintenance efficiency. The layout mode of this in order around makes NID box 100 internal space be fully utilized, avoids the space waste, and each component is arranged according to the function order, improves the operation efficiency and space utilization, from the optical cable into NID box 100 to optical fiber output, and operating personnel can be in order in turn fixed, wound, connected and bound, and the operation process is more clear, and the orderly layout reduces the error that can appear in the operation process, improves the work efficiency.

[0043] Please refer to Figure 3In an embodiment of the utility model, the NID box 100 includes an adapter, each adapter card seat 33 is provided with a clamping groove 331, the side wall of clamping groove 331 is formed with a second elastic hanging part 332, the adapter is contained in clamping groove 331, and the second elastic hanging part 332 is hung with the adapter. Adapter card seat 33 is provided with clamping groove 331, is used to accommodate adapter, and clamping groove 331 provides stable mounting position for adapter, ensures that adapter does not loosen or shift during use. The second elastic hanging part 332 is formed on the side wall of clamping groove 331, is used to cooperate with adapter, realizes the fixation of adapter. The design of second elastic hanging part 332 makes the installation and dismounting of adapter more flexible, and sufficient elastic support is simultaneously provided, to ensure the stability of adapter during use. Specifically, the second elastic hanging part 332 adopts the design of elastic arm, and the end of elastic arm away from mounting seat 4 is formed with a clamping protrusion, and a guide inclined surface is formed on the clamping protrusion. During the process of inserting adapter into clamping groove 331, the elastic arm is extruded along the guide inclined surface, and the elastic arm elastically deforms. When adapter reaches the clamping position, the elastic arm restores to the original state, and the clamping protrusion and the outer side wall of adapter realize clamping limiting. The arrangement of guide inclined surface can guide adapter to smoothly enter the clamping position, to ensure that adapter can be accurately aligned when entering the clamping position. This installation mode is simple and quick, convenient to operate, and simultaneously ensures the stability of adapter. The design of second elastic hanging part 332 also makes the installation and dismounting of adapter more flexible, and the operator can quickly complete the replacement or maintenance of adapter.

[0044] Please refer to Figure 3 In an embodiment of the utility model, the NID box 100 includes a mounting plate 5, the mounting plate 5 is detachably connected with the bottom wall of the accommodating cavity 13, and the mounting piece 3 and the optical fiber fusion splicing disc 2 are connected with the mounting plate 5. The mounting plate 5 is used for integrally mounting the mounting piece 3 and the optical fiber fusion splicing disc 2, and the components are fixed on a plate. Through the mounting plate 5, multiple components can be installed and dismounted as a whole, and the modular degree of the equipment is improved. The mounting plate 5 and the bottom wall of the accommodating cavity 13 are detachably connected, which facilitates installation and maintenance. This design makes the installation and dismounting process more flexible, and facilitates the maintenance and replacement of the internal components of the NID box 100.

[0045] To ensure the safe use of the equipment, please refer to Figure 3In an embodiment of the utility model, one side of bottom box 11 forms grounding assembly 116. Grounding assembly 116 is used to ground electrical equipment in NID box 100, ensures that the equipment will not cause electric shock or equipment damage due to leakage and other problems during operation, grounding is the basic requirement for safe operation of electrical equipment, can effectively prevent safety accidents caused by electrical failure, grounding assembly 116 helps to reduce electromagnetic interference, improve the electromagnetic compatibility of equipment, and ensure stable operation of the equipment, grounding assembly 116 can cooperate with surge protector to provide additional protection to prevent lightning or voltage surge from damaging the equipment.

[0046] Please refer to Figure 4 In an embodiment of the utility model, NID box 100 includes locking piece 6, the cover plate 12 and the one side wall of bottom box 11 are rotationally connected, the other side wall of cover plate 12 forms first mounting block 121, the other side wall of bottom box 11 forms second mounting block 114, locking piece 6 is threaded in first mounting block 121 and second mounting block 114 to connect bottom box 11 and cover plate 12. Locking piece 6 is used to firmly connect cover plate 12 and bottom box 11 together, ensures the sealing and stability of NID box 100 during use, reliable connection can prevent cover plate 12 from loosening or falling off during use, ensures the safety and stable operation of internal components of the equipment, the design of locking piece 6 makes the connection of cover plate 12 and bottom box 11 detachable, which facilitates maintenance and repair of the inside of NID box 100, improves the maintenance convenience of the equipment, reduces maintenance time and workload, the side wall of cover plate 12 and bottom box 11 is connected by rotation connection, so that cover plate 12 can be opened and closed around the side wall, this design makes the opening and closing of cover plate 12 more flexible, which is convenient for operators to operate the inside of NID box 100, first mounting block 121 and second mounting block 114 are used to install locking piece 6, which makes the installation of locking piece 6 more stable, improves the reliability of connection, and also ensures the firm connection of cover plate 12 and bottom box 11, locking piece 6 can be bolt, screw, etc., the specific type is selected according to actual demand. Locking piece 6 is threaded through first mounting block 121 and second mounting block 114, and cover plate 12 and bottom box 11 are fixed together by tightening bolt or screw, the installation method is simple and fast, convenient to operate, and also ensures the stability of connection.

[0047] Please refer to Figure 4In an embodiment of the utility model, the other side wall of the cover plate 12 is formed with a buckle 122, the other side wall of the bottom box 11 is formed with a buckling piece 115, the buckling piece 115 is provided with a through slot 115a, and the buckle 122 is buckled with the buckling piece 115 through the through slot 115a. The other side wall of the cover plate 12 is formed with a buckle 122, and the buckle 122 is used for cooperating with the buckling piece 115 on the bottom box 11 to realize the quick buckling of the cover plate 12 and the bottom box 11. The buckle 122 usually has a certain elasticity, which can ensure the stability and reliability of buckling. The other side wall of the bottom box 11 is formed with a buckling piece 115, and the buckling piece 115 is used for cooperating with the buckle 122 on the cover plate 12 to realize the fixation of the cover plate 12 and the bottom box 11. The buckling piece 115 is usually designed with a through slot 115a for accommodating the buckle 122, which ensures the tightness and stability of buckling. Specifically, the buckle 122 on the cover plate 12 is aligned with the through slot 115a on the bottom box 11, and the buckle 122 is buckled with the buckling piece 115 by passing through the through slot 115a under force, so that the fixation of the cover plate 12 is more convenient, and the operator can quickly complete the installation and disassembly of the cover plate 12. The design of the buckle 122 and the buckling piece 115 makes the cover plate 12 more flexible in opening and closing, which is convenient for the operator to operate the inside of the NID box 100.

[0048] Please refer to Figure 4In an embodiment of the utility model, the NID box 100 includes the second sealing ring 7, the mounting groove 123 is set up on the side of the cover plate 12 facing the bottom box 11, the second sealing ring 7 is contained in the mounting groove 123, and is exposed in the slot of the mounting groove 123. The second sealing ring 7 is used for further enhancing the sealing performance of the NID box 100, preventing moisture, dust and other external pollutants from entering the inside of the equipment, in the outdoor or humid environment, the good sealing property can effectively protect the optical fiber fusion splice tray 2, optical splitter and other components inside the NID box 100, prolongs the service life of the equipment, the second sealing ring 7 can adapt to different environmental conditions, such as temperature change, humidity change, etc., ensures that the equipment can maintain good sealing performance in various harsh environments, so that the NID box 100 can stably operate in a wider environment, improves the reliability and adaptability of the equipment, the mounting groove 123 is set up on the side of the cover plate 12 facing the bottom box 11 and is used for containing the second sealing ring 7, the design of the mounting groove 123 ensures that the second sealing ring 7 can be stably fixed on the cover plate 12, prevents the sealing ring from shifting or falling off during use, the size of the mounting groove 123 should match the size of the second sealing ring 7, ensures that the sealing ring can be closely fitted in the mounting groove 123, and appropriate size can ensure that the sealing ring can play the best sealing effect after installation, while reducing the risk of sealing failure caused by the loosening of the sealing ring, the second sealing ring 7 is partially exposed in the slot of the mounting groove 123, ensures that the second sealing ring 7 can be in close contact with the edge of the bottom box 11 when the cover plate 12 and the bottom box 11 are closed, ensures that the second sealing ring 7 can form effective sealing when closed, prevents external pollutants from entering the inside of the equipment, and the introduction of the second sealing ring 7 significantly enhances the sealing performance of the NID box 100, ensures the reliability of the equipment in harsh environments.

[0049] Please refer to Figure 5 and Figure 6 , the input optical cable is connected to the NID box 100 through the cable inlet 111, and is coiled on the optical fiber fusion splice tray 2 and is fused with the splitter input optical cable through the single-core fusion pipe on the optical fiber fusion splice tray 2, the fused splitter input optical cable is coiled on the optical fiber fusion splice tray and is divided into multiple splitter output optical cables through the optical splitter, the splitter output optical cables after branching are coiled on the winding tray 32 and are connected with the adapter, and then the output optical cables are connected out of the NID box 100 through the cable outlet 112 and are connected to the equipment at the user end, such as the optical fiber transceiver, optical module and the like, to realize the transmission and conversion of optical signals, through the connection mode, the adapter, optical splitter and optical fiber fusion splice tray 2 in the NID box 100 cooperate together, realize the distribution, transmission and flexible connection of optical signals, and meet the needs of different users in the optical fiber communication network.

[0050] The above merely illustrates the exemplary embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the technical concept of the present application and by using the content of the present application specification and drawings are included in the patent protection scope of the present application.

Claims

1. A NID cassette, characterized in that, The application relates to an NID box. The NID box comprises a box body, a fiber fusion disc and a mounting piece. The box body comprises a bottom box and a cover plate. The mounting seat is provided on the bottom wall of the accommodating cavity, and a clamping groove is formed on the side of the mounting seat away from the bottom wall of the accommodating cavity.

2. The NID jack of claim 1 wherein, The mounting seat is provided with a first elastic hanging part.

3. The NID jack of claim 2 wherein, The fiber fusion disc is provided with a light splitter clamping groove.

4. The NID jack of claim 1 wherein, The bottom box is provided with a cable inlet and a cable outlet.

5. The NID jack of any one of claims 1 to 4 wherein, The mounting piece comprises an optical cable pressing block, a winding disc, a plurality of adapter clamping seats and a plurality of binding bridges.

6. The NID box of claim 5 wherein, The NID box comprises an adapter.

7. The NID jack of claim 6 wherein, The mounting plate is detachably connected with the bottom wall of the accommodating cavity.

8. The NID jack of any one of claims 1 to 4, wherein, The bottom box is provided with a grounding assembly. The NID box comprises a locking piece.

9. The NID jack of any one of claims 1 to 4 wherein, The cover plate is rotatably connected with one side wall of the bottom box. The other side wall of the cover plate is provided with a first mounting block.

10. The NID jack of any one of claims 1 to 4 wherein, The other side wall of the bottom box is provided with a second mounting block. The locking piece is arranged between the first mounting block and the second mounting block to connect the bottom box and the cover plate. The other side wall of the cover plate is provided with a buckle. The other side wall of the bottom box is provided with a buckling piece. The buckling piece is provided with a through groove. The buckle passes through the through groove and is buckled with the buckling piece. The NID box is provided with a second sealing ring. The side of the cover plate facing the bottom box is provided with a mounting groove. The second sealing ring is arranged in the mounting groove and exposed to the groove opening of the mounting groove.

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