Double-layer subdivision type optical cable distribution box

Abstract

The utility model relates to a double-layer subdivision type optical cable fiber distribution box, and the box comprises a lower cabin body which comprises a lower housing with an opening at the top, a fiber coiling assembly fixedly disposed in the lower housing, and a welding overturning assembly which is disposed in the lower housing and is disposed above the fiber coiling assembly; the upper cabin body comprises an upper shell which is rotationally connected with the lower shell, the top of the upper shell is open, an adapter assembly is arranged in the upper shell, and when the lower shell is closed by the upper shell, a lower cabin is formed; the upper cover is of a hollow shell structure with the bottom open and the periphery closed, the upper cover is rotationally connected with the upper shell, and when the upper cover seals the upper shell, an upper cabin is formed. The fiber coiling assembly and the welding turnover assembly in the lower cabin are used for fiber coiling, fiber welding and light splitting operation of a main optical cable, the adapter assembly of the upper cabin is used for plugging operation of a user optical cable, construction and management of the upper cabin and the lower cabin are facilitated, the operation space is large, mutual interference of the upper cabin and the lower cabin is avoided, and the construction efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of communication network equipment, and particularly relates to a double-layer compartmentalized optical cable fiber distribution box. Background Art

[0002] An optical cable fiber distribution box is an interface device used outdoors, in corridors or indoors to connect a backbone optical cable and a distribution optical cable, and is mainly used for functions such as introduction, fixation and stripping protection of the optical cable, fusion splicing and protection of optical fibers, storage of pigtails, storage and management of jumpers, and fixed connection and cross-connection of optical fibers.

[0003] In the existing outdoor optical cable fiber distribution box, the backbone compartment and the user compartment are together, and the space is very small, which is inconvenient for construction. When constructing the user compartment, it is easy to affect the backbone compartment, and may cause damage to the backbone compartment due to misoperation, resulting in repeated construction of the backbone compartment, low construction efficiency, and inconvenience for subsequent maintenance and management of the user compartment. Summary of the Invention

[0004] Embodiments of the present application provide a double-layer compartmentalized optical cable fiber distribution box to solve the problems in the related art that the backbone compartment and the user compartment are together, the space is very small and inconvenient for construction, and the backbone compartment is easily affected when constructing the user compartment.

[0005] Embodiments of the present application provide a double-layer compartmentalized optical cable fiber distribution box, including:

[0006] A lower cabin body, the lower cabin body includes a lower shell with an open top, a fiber coiling assembly fixedly located in the lower shell, and a fusion splicing and flipping assembly located in the lower shell and above the fiber coiling assembly;

[0007] An upper cabin body, the upper cabin body includes an upper shell that is rotatably connected to the lower shell and has an open top, and an adapter assembly is arranged in the upper shell. When the upper shell closes the lower shell, a lower cabin is jointly formed;

[0008] An upper cover, the upper cover is a hollow shell structure with a closed perimeter and an open bottom, and the upper cover is rotatably connected to the upper shell. When the upper cover closes the upper shell, an upper cabin is jointly formed.

[0009] In some embodiments: A plurality of cable entry holes for entering the optical cable are opened on the opposite side walls of the lower shell. The fiber coiling assembly includes a fiber coiling bottom plate connected to the lower shell. Clamping pieces for clamping the optical cable are arranged on the fiber coiling bottom plate, and a plurality of fiber coiling columns for coiling the optical fiber are also arranged on the fiber coiling bottom plate.

[0010] In some embodiments, the welding flipping assembly includes a support column vertically fixed to the bottom of the lower housing, and a flipping disk hinged to the top of the support column. A plurality of positioning card slots and / or optical splitters for positioning the welded optical fibers are provided in the flipping disk, and an upper cover plate is buckled on the flipping disk.

[0011] In some embodiments, the flipping disk includes a flipping bottom plate and side enclosing plates surrounding the flipping bottom plate. One side of the flipping bottom plate is provided with a hinge member rotatably connected to the support column, and the other side of the flipping bottom plate is provided with an elastic buckle snap-connected to the lower housing. A notch for the optical fiber to penetrate or pass through is formed in the side enclosing plate.

[0012] In some embodiments, the hinge member includes two symmetrically arranged lower ear pieces. A hinge shaft is connected to the lower ear pieces, and an upper ear piece (138) is located above the two lower ear pieces. A hinge shaft hole for rotatably connecting the hinge shaft is formed in the upper ear piece.

[0013] In some embodiments, the upper housing includes a middle partition plate. Annular side plates are connected to the periphery of the middle partition plate. A plurality of first optical fiber passing holes communicating the lower chamber and the upper chamber are respectively formed at both ends of the middle partition plate, and a plurality of second optical fiber passing holes for the optical fiber to pass through are provided on the annular side plates.

[0014] In some embodiments, a plurality of optical fiber positioning grooves respectively adapted to the first optical fiber passing holes and the second optical fiber passing holes are provided on the top surface of the middle partition plate. A fiber coiling mechanism for coiling the optical fiber is provided on the bottom surface of the middle partition plate, and a first sealing ring for sealingly connecting to the lower housing is provided around the bottom surface of the middle partition plate.

[0015] In some embodiments, a plurality of first rotating shafts arranged coaxially in sequence and rotatably connecting to the lower housing are provided on the outer wall of one side of the upper housing, and a plurality of first "C"-shaped hinge seats respectively rotatably connected to the first rotating shafts are provided on the outer wall of one side of the lower housing;

[0016] A plurality of second rotating shafts arranged coaxially in sequence and rotatably connecting to the upper housing are further provided on the outer wall of one side of the upper cover, and a plurality of second "C"-shaped hinge seats respectively rotatably connected to the second rotating shafts are provided on the outer wall of one side of the upper housing.

[0017] In some embodiments, a metal hook is connected to the lower housing. A screw is adapted to the metal hook, and a threaded hole for threadedly connecting the screw is provided on the metal hook. A spring buckle for locking the upper cover is further connected to the lower housing.

[0018] In some embodiments, the adapter assembly includes an adapter skeleton snap-connected to the upper housing. A plurality of snap holes for snap-connecting the adapter are arranged in an array on the adapter skeleton, and an adapter is snap-connected in each snap hole.

[0019] The beneficial effects brought by the technical solution provided by this application include:

[0020] The embodiment of the present application provides a double-layer compartmentalized optical cable fiber distribution box. Since the double-layer compartmentalized optical cable fiber distribution box of the present application is provided with a lower compartment, the lower compartment includes a lower housing with an open top, a fiber coiling assembly fixedly located in the lower housing, and a fusion splicing and flipping assembly located in the lower housing and above the fiber coiling assembly; an upper compartment, the upper compartment includes an upper housing rotatably connected to the lower housing and having an open top, and an adapter assembly is arranged in the upper housing. When the upper housing closes the lower housing, a lower compartment is jointly formed; an upper cover, the upper cover is a hollow housing structure with a closed bottom and a closed perimeter, and the upper cover is rotatably connected to the upper housing. When the upper cover closes the upper housing, an upper compartment is jointly formed.

[0021] Therefore, both the lower compartment and the upper cover of the double-layer compartmentalized optical cable fiber distribution box of the present application are rotatably connected to the upper compartment. The lower compartment includes a lower housing with an open top, a fiber coiling assembly fixedly located in the lower housing, and a fusion splicing and flipping assembly located in the lower housing and above the fiber coiling assembly. The upper compartment includes an upper housing rotatably connected to the lower housing and having an open top, and an adapter assembly is arranged in the upper housing. When the upper housing closes the lower housing, a lower compartment is jointly formed, and when the upper cover closes the upper housing, an upper compartment is jointly formed. The fiber coiling assembly and the fusion splicing and flipping assembly in the lower compartment are used for fiber coiling, fusion splicing, and optical splitting operations of the backbone optical cable, and the adapter assembly in the upper compartment is used for plugging operations of the user optical cable, which is convenient for constructing and managing the upper compartment and the lower compartment respectively, has a large operating space, avoids interference between the upper compartment and the lower compartment, and improves construction efficiency. Description of the Drawings

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0023] Figure 1 It is a schematic structural diagram of the first perspective of the open state of the embodiment of the present application;

[0024] Figure 2 It is a schematic structural diagram of the second perspective of the open state of the embodiment of the present application;

[0025] Figure 3Schematic diagram of the structure of the lower cabin in the first perspective of the embodiment of the present application;

[0026] Figure 4 Schematic diagram of the structure of the lower cabin in the second perspective of the embodiment of the present application;

[0027] Figure 5 Schematic diagram of the structure of the hidden welding and flipping assembly of the lower cabin in the embodiment of the present application;

[0028] Figure 6 Schematic diagram of the structure of the welding and flipping assembly in the embodiment of the present application;

[0029] Figure 7 Schematic diagram of the structure of the flipping disk in the embodiment of the present application;

[0030] Figure 8 Schematic diagram of the structure of the upper cabin in the first perspective of the embodiment of the present application;

[0031] Figure 9 Schematic diagram of the structure of the upper cabin in the second perspective of the embodiment of the present application;

[0032] Figure 10 Schematic diagram of the structure of the upper cover in the embodiment of the present application.

[0033] Reference numerals:

[0034] 100, lower cabin; 110, lower housing; 111, cable passing hole; 112, first "C"-shaped hinge seat; 113, support column; 114, threaded hole; 120, fiber coiling assembly; 121, fiber coiling bottom plate; 122, fiber coiling column; 123, clip; 130, welding and flipping assembly; 131, flipping disk; 132, upper cover plate; 133, positioning card slot; 134, flipping bottom plate; 135, side wall plate; 136, notch; 137, lower ear; 138, upper ear; 139, elastic buckle; 140, metal hook; 141, screw; 142, threaded hole; 150, spring buckle;

[0035] 200, upper cabin; 210, upper housing; 211, middle partition board; 212, annular side plate; 213, first fiber passing hole; 214, second fiber passing hole; 215, fiber coiling mechanism; 216, first sealing ring; 217, first rotating shaft; 218, second "C"-shaped hinge seat; 219, optical fiber positioning groove; 220, adapter assembly; 221, adapter skeleton; 222, adapter; 223, screw rod; 300, upper cover; 301, second rotating shaft. Detailed implementation manners

[0036] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of this application. Apparently, the described embodiments are some, but not all, of the embodiments of this application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in this application without creative efforts shall fall within the scope of protection of this application.

[0037] The embodiments of this application provide a double-layer compartmentalized optical cable fiber distribution box, which can solve the problems in the related art that the main trunk compartment and the user compartment are together, the space is very small and inconvenient for construction, and the construction of the user compartment is likely to affect the main trunk compartment.

[0038] See Figures 1 to 4 As shown, the embodiments of this application provide a double-layer compartmentalized optical cable fiber distribution box, including:

[0039] A lower cabin body 100, which includes a lower shell 110 with an open top, a fiber coiling assembly 120 fixedly located in the lower shell 110, and a splicing and flipping assembly 130 located in the lower shell 110 and above the fiber coiling assembly 120. The lower cabin body 100 is used for introducing and leading out the main trunk optical cable. After the main trunk optical cable introduced into the lower cabin body 100 is fixed on the fiber coiling assembly 120, the fished-out fished optical cable is spliced, split, and protected on the splicing and flipping assembly 130, and the redundant fished optical fibers are coiled around the fiber coiling assembly 120.

[0040] An upper cabin body 200, which includes an upper shell 210 that is rotatably connected to the lower shell 110 and has an open top. An adapter assembly 220 is arranged in the upper shell 210. When the upper shell 210 closes the lower shell 110, the upper shell 210 and the lower shell 110 together form a lower cabin. The upper shell 210 is rotatably connected to the lower shell 110, and the upper shell 210 can be opened or closed by flipping. The upper shell 210 of the upper cabin body 200 is also used for accommodating and assembling the adapter assembly 220 to connect the user optical cable.

[0041] An upper cover 300, which is a hollow shell structure with a closed perimeter and an open bottom. The upper cover 300 is rotatably connected to the upper shell 210. When the upper cover 300 closes the upper shell 210, they together form an upper cabin. The upper cover 300 is rotatably connected to the upper shell 210, and the upper cover 300 can be opened or closed by flipping. The upper cover 300 is used to protect the user optical cable and the adapter assembly 220 located in the upper cabin.

[0042] The lower cabin body 100 and the upper cover 300 of the double-layer compartmentalized optical cable fiber distribution box according to the embodiments of the present application are both rotatably connected to the upper cabin body 200. The lower cabin body 100 includes a lower shell 110 with an open top, a fiber coiling assembly 120 fixedly located inside the lower shell 110, and a fusion splicing and flipping assembly 130 located inside the lower shell 110 and above the fiber coiling assembly 120.

[0043] The upper cabin body 200 includes an upper shell 210 that is rotatably connected to the lower shell 110 and has an open top. An adapter assembly 220 is arranged inside the upper shell 210. When the upper shell 210 closes the lower shell 110, a lower cabin is jointly formed. When the upper cover 300 closes the upper shell 210, an upper cabin is jointly formed.

[0044] The fiber coiling assembly 120 and the fusion splicing and flipping assembly 130 in the lower cabin are used for fiber coiling, fusion splicing, and optical splitting operations of the backbone optical cable. The adapter assembly 220 in the upper cabin is used for plugging operations of the user optical cable, which facilitates construction and management of the upper cabin and the lower cabin respectively, has a large operating space, avoids interference between the upper cabin and the lower cabin, and improves construction efficiency.

[0045] In some alternative embodiments, as shown in Figure 5 the double-layer compartmentalized optical cable fiber distribution box provided by the embodiments of the present application has a plurality of cable entry holes 111 for passing the optical cable formed on the oppositely arranged side walls of the lower shell 110. The cable entry holes 111 are used for passing the backbone optical cable in or out. The backbone optical cable can enter from the left and exit from the left, enter from the left and exit from the right, enter from the right and exit from the left, or enter from the right and exit from the right.

[0046] The fiber coiling assembly 120 includes a fiber coiling bottom plate 121 connected to the lower shell 110. Clamping pieces 123 for clamping the optical cable are arranged on the fiber coiling bottom plate 121. A plurality of fiber coiling posts 122 for fiber coiling are also arranged on the fiber coiling bottom plate 121. There are two groups of fiber coiling assemblies 120, and the two groups of fiber coiling assemblies 120 are arranged at intervals symmetrically inside the lower shell 110. The fiber coiling assembly 120 is detachably connected to the lower shell 110 by snap fasteners or screws. The fiber coiling posts 122 are used for coiling the redundant backbone optical cable passing into the lower shell 110, and the clamping pieces 123 are used for clamping the backbone optical cable to prevent it from loosening.

[0047] In some alternative embodiments, as shown in Figures 3 to 7 the fusion splicing and flipping assembly 130 of the double-layer compartmentalized optical cable fiber distribution box provided by the embodiments of the present application includes a support column 113 vertically fixed to the bottom of the lower shell 110, and a flipping plate 131 hinged to the top of the support column 113. The flipping plate 131 rotates up and down within a range of 180 degrees with the support column 113 as the rotation axis.

[0048] The flipping disk 131 is provided with a plurality of positioning slots 133 and / or optical splitters for positioning optical fibers, and an upper cover plate 132 is buckled on the flipping disk 131. The flipping disk 131 is inside the lower housing 110 and can be turned up and down relative to the lower housing 110, facilitating the flipping of the flipping disk 131 out of the lower housing 110 for fusion splicing operations and optical splitting operations on the fusion spliced optical fibers. The upper cover plate 132 is used to enclose the flipping disk 131, so that the flipping disk 131 and the upper cover plate 132 form a closed cavity to protect the fusion spliced optical fibers or the optical split fibers.

[0049] In some alternative embodiments, as shown in Figures 3 to 7 the flipping disk 131 of the double-layer compartmentalized optical cable fiber splitter box provided by the embodiment of the present application includes a flipping bottom plate 134 and side enclosure plates 135 surrounding the four sides of the flipping bottom plate 134. One side of the flipping bottom plate 134 is provided with a hinge member rotatably connected to the support column 113, and the other side of the flipping bottom plate 134 is provided with an elastic buckle 139 snap-connected to the lower housing 110. The side enclosure plate 135 is provided with a notch 136 for inserting or passing out optical fibers.

[0050] The hinge member includes two symmetrically arranged lower ear plates 137, a hinge shaft is connected to the lower ear plates 137, and an upper ear plate 138 is located above the two lower ear plates 137. A hinge shaft hole for rotatably connecting the hinge shaft is provided on the upper ear plate 138. Two or more sets of fusion splicing flipping assemblies 130 can be provided. The two or more sets of fusion splicing flipping assemblies 130 are stacked on top of each other, and adjacent two layers of fusion splicing flipping assemblies 130 can be rotatably connected through the lower ear plates 137 and the upper ear plate 138.

[0051] The two symmetrically arranged lower ear plates 137, and the hinge shaft connected to the lower ear plates 137 can both rotatably connect to the support column 113 at the bottom of the lower housing 110; the two symmetrically arranged lower ear plates 137, and the hinge shaft connected to the lower ear plates 137 can also rotatably connect to the upper ear plate 138 of another set of fusion splicing flipping assemblies 130, realizing the mutual stacking and rotational connection of multiple sets of fusion splicing flipping assemblies 130, and improving the expansion performance of the fusion splicing flipping assemblies 130.

[0052] In some alternative embodiments, as shown in Figure 5 、 Figure 8 and Figure 9 the upper housing 210 of the double-layer compartmentalized optical cable fiber splitter box provided by the embodiment of the present application includes a middle partition plate 211, and annular side plates 212 are connected around the middle partition plate 211. A plurality of first fiber passing holes 213 communicating the lower compartment and the upper compartment are respectively opened at both ends of the middle partition plate 211, and a plurality of second fiber passing holes 214 for passing out optical fibers are provided on the annular side plates 212.

[0053] The upper housing 210 is provided with a screw 223 for connecting the lower housing 110, and the lower housing 110 is provided with a threaded hole 114 connected to the screw 223. When the upper housing 210 is connected to the threaded hole 114 on the lower housing 110 through the screw 223, the rotation of the upper housing 210 relative to the lower housing 110 is restricted, so as to avoid the upper housing 210 being opened when the upper cover 300 is opened.

[0054] A plurality of first fiber-passing holes 213 are provided. The plurality of first fiber-passing holes 213 are respectively arranged in an array at both ends of the middle partition 211. The first fiber-passing holes 213 are used to introduce the fused optical fibers or split optical fibers in the lower compartment into the upper compartment to be connected to the adapter assembly 220. A plurality of second fiber-passing holes 214 are provided. The plurality of second fiber-passing holes 214 are arranged in an array on the annular side plate 212. The second fiber-passing holes 214 are used to introduce the user optical cable into the upper compartment to be connected to the adapter assembly 220.

[0055] On the top surface of the middle partition 211, a plurality of optical fiber positioning grooves 219 respectively adapted to the first fiber-passing holes 213 and the second fiber-passing holes 214 are provided. The optical fiber positioning grooves 219 are used to clamp and position the fused optical fibers or split optical fibers or user optical fibers, so that they are arranged in an orderly manner. On the bottom surface of the middle partition 211, a fiber coiling mechanism 215 for coiling optical fibers is provided. A first sealing ring 216 for sealingly connecting the lower housing 110 is provided around the bottom surface of the middle partition 211.

[0056] In some alternative embodiments, referring to Figure 5 、 Figure 8 and Figure 10 As shown in, the embodiment of the present application provides a double-layer compartmentalized optical cable fiber splitting box. A plurality of coaxially arranged first rotating shafts 217 for rotatably connecting the lower housing 110 are provided on the outer wall of one side of the upper housing 210 of the double-layer compartmentalized optical cable fiber splitting box, and a plurality of first "C"-shaped hinge seats 112 respectively rotatably connected to the first rotating shafts 217 are provided on the outer wall of one side of the lower housing 110.

[0057] On the outer wall of one side of the upper cover 300, a plurality of coaxially arranged second rotating shafts 301 for rotatably connecting the upper housing 210 are further provided, and a plurality of second "C"-shaped hinge seats 218 respectively rotatably connected to the second rotating shafts 301 are provided on the outer wall of one side of the upper housing 210. The plurality of coaxially arranged first rotating shafts 217 and the plurality of second "C"-shaped hinge seats 218 are located on the same side wall of the upper housing 210 and are spaced apart from each other.

[0058] When the double-layer compartmentalized optical cable fiber splitting box forms a lower compartment and an upper compartment, the upper housing 210 is rotatably connected to the plurality of first "C"-shaped hinge seats 112 of the lower housing 110 through the plurality of first rotating shafts 217, and the upper housing 210 is rotatably connected to the plurality of second rotating shafts 301 of the upper cover 300 through the plurality of second "C"-shaped hinge seats 218.

[0059] When only the lower compartment needs to be formed for the double - layer compartmentalized optical cable fiber distribution box and the upper compartment is not required, the upper housing 210 is disassembled, and then a plurality of first "C" - shaped hinge seats 112 on the lower housing 110 are rotatably connected to a plurality of second rotating shafts 301 of the upper cover 300. The upper cover 300 and the lower housing 110 are buckled with each other to form the lower compartment.

[0060] In some alternative embodiments, as shown in Figure 3 、 Figure 4 and Figure 5 shown, the embodiment of the present application provides a double - layer compartmentalized optical cable fiber distribution box. A metal hook 140 is connected to the lower housing 110 of the double - layer compartmentalized optical cable fiber distribution box. The metal hook 140 is formed by bending a long - strip metal sheet. One end of the metal hook 140 is a fixed end and is fixed on the back of the lower housing 110, and the other end of the metal hook 140 is a free end.

[0061] A screw 141 is adapted to the free end of the metal hook 140. A threaded hole 142 for threaded connection with the screw 141 is provided on the metal hook 140. The screw 141 and the threaded hole 142 are tightly connected to tightly hang the metal hook 140 on the suspension wire. A spring buckle 150 for locking the upper cover 300 is also connected to the lower housing 110. The spring buckle 150 is rotatably connected to the lower housing 110 and is buckled with the upper cover 300 after rotating upward.

[0062] In some alternative embodiments, as shown in Figure 8 shown, the embodiment of the present application provides a double - layer compartmentalized optical cable fiber distribution box. The adapter assembly 220 of the double - layer compartmentalized optical cable fiber distribution box includes an adapter skeleton 221 snap - connected to the upper housing 210. A plurality of snap - holes for snap - connecting the adapter 222 are arranged in an array on the adapter skeleton 221, and an adapter 222 is snap - connected in each snap - hole.

[0063] The adapter skeleton 221 is snap - connected to the upper housing 210, and the adapter skeleton 221 adjusts the installation direction on the upper housing 210, so that the insertion interface of the adapter 222 on the adapter skeleton 221 faces the left end or the right end. When the adapter skeleton 221 is adjusted so that the insertion interface of the adapter 222 faces the left end, the user optical cable can be inserted into the upper compartment from the left side to be docked with the adapter 222. When the adapter skeleton 221 is adjusted so that the insertion interface of the adapter 222 faces the right end, the user optical cable can be inserted into the upper compartment from the right side to be docked with the adapter 222.

[0064] Working principle

[0065] An embodiment of the present application provides a double-layer compartmentalized optical cable fiber distribution box. Since the double-layer compartmentalized optical cable fiber distribution box of the present application is provided with a lower cabin body 100, the lower cabin body 100 includes a lower shell 110 with an open top, a fiber coiling component 120 fixedly located in the lower shell 110, and a fusion splicing and flipping component 130 located in the lower shell 110 and above the fiber coiling component 120; an upper cabin body 200, the upper cabin body 200 includes an upper shell 210 rotatably connected to the lower shell 110 and having an open top, and an adapter component 220 is arranged in the upper shell 210. When the upper shell 210 closes the lower shell 110, a lower cabin is jointly formed; an upper cover 300, the upper cover 300 is a hollow shell structure with an open bottom and a closed perimeter, and the upper cover 300 is rotatably connected to the upper shell 210. When the upper cover 300 closes the upper shell 210, an upper cabin is jointly formed.

[0066] Therefore, both the lower cabin body 100 and the upper cover 300 of the double-layer compartmentalized optical cable fiber distribution box of the present application are rotatably connected to the upper cabin body 200. The lower cabin body 100 includes a lower shell 110 with an open top, a fiber coiling component 120 fixedly located in the lower shell 110, and a fusion splicing and flipping component 130 located in the lower shell 110 and above the fiber coiling component 120. The upper cabin body 200 includes an upper shell 210 rotatably connected to the lower shell 110 and having an open top, and an adapter component 220 is arranged in the upper shell 210. When the upper shell 210 closes the lower shell 110, a lower cabin is jointly formed. When the upper cover 300 closes the upper shell 210, an upper cabin is jointly formed. The fiber coiling component 120 and the fusion splicing and flipping component 130 in the lower cabin are used for fiber coiling, fusion splicing, and optical splitting operations of the backbone optical cable. The adapter component 220 in the upper cabin is used for plugging operations of the user optical cable, which is convenient for construction and management of the upper cabin and the lower cabin respectively, has a large operating space, avoids interference between the upper cabin and the lower cabin, and improves construction efficiency.

[0067] In the description of the present application, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application. Unless otherwise clearly specified and defined, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0068] It should be noted that in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0069] The above are only specific embodiments of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application will not be limited to these embodiments shown herein, but rather will conform to the broadest scope consistent with the principles and novel features claimed herein.

Claims

1. A double-layer compartmentalized optical cable fiber distribution box, characterized in that, Comprising: A lower cabin body (100), the lower cabin body (100) includes a lower shell (110) with an open top, a fiber coiling assembly (120) fixedly located within the lower shell (110), and a fusion splicing turning assembly (130) located within the lower shell (110) and above the fiber coiling assembly (120); An upper cabin body (200), the upper cabin body (200) includes an upper shell (210) that is rotatably connected to the lower shell (110) and has an open top, and an adapter assembly (220) is provided within the upper shell (210). When the upper shell (210) closes the lower shell (110), a lower cabin is jointly formed; An upper cover (300), the upper cover (300) is a hollow shell structure with a closed perimeter and an open bottom, and the upper cover (300) is rotatably connected to the upper shell (210). When the upper cover (300) closes the upper shell (210), an upper cabin is jointly formed.

2. A double-layer compartmentalized optical cable fiber distribution box according to claim 1, characterized in that: A plurality of cable entry holes (111) for inserting optical cables are provided on the oppositely arranged side walls of the lower shell (110). The fiber coiling assembly (120) includes a fiber coiling bottom plate (121) connected to the lower shell (110). Clamping pieces (123) for clamping the optical cable are provided on the fiber coiling bottom plate (121), and a plurality of fiber coiling posts (122) for coiling optical fibers are further provided on the fiber coiling bottom plate (121).

3. A double-layer compartmentalized optical cable fiber distribution box according to claim 1, characterized in that: The fusion splicing turning assembly (130) includes a support column (113) vertically fixed to the bottom of the lower shell (110), and a turning plate (131) hinged to the top of the support column (113). A plurality of positioning slots (133) for positioning fusion spliced optical fibers and / or optical splitters are provided within the turning plate (131), and an upper cover plate (132) is buckled on the turning plate (131).

4. A double-layer compartmentalized optical cable fiber distribution box according to claim 3, characterized in that: The turning plate (131) includes a turning bottom plate (134) and side enclosing plates (135) surrounding the turning bottom plate (134). One side of the turning bottom plate (134) is provided with a hinge member rotatably connected to the support column (113), and the other side of the turning bottom plate (134) is provided with an elastic buckle (139) snap-connected to the lower shell (110). A notch (136) for inserting or passing out optical fibers is provided on the side enclosing plate (135).

5. A double-layer compartmentalized optical cable fiber distribution box according to claim 4, characterized in that: The hinge member includes two symmetrically arranged lower lugs (137). A hinge shaft is connected to the lower lugs (137), and an upper lug (138) is located above the two lower lugs (137). A hinge shaft hole for rotatably connecting the hinge shaft is provided on the upper lug (138).

6. A double-layer compartmentalized optical cable fiber distribution box according to claim 1, characterized in that: The upper housing (210) includes a middle partition board (211). The periphery of the middle partition board (211) is connected with an annular side board (212). A plurality of first fiber-passing holes (213) communicating with the lower chamber and the upper chamber are respectively formed at two ends of the middle partition board (211). A plurality of second fiber-passing holes (214) for passing out optical fibers are provided on the annular side board (212).

7. The double-layer compartmentalized optical cable fiber distribution box according to claim 6, characterized in that: A plurality of optical fiber positioning grooves (219) respectively adapted to the first fiber-passing holes (213) and the second fiber-passing holes (214) are provided on the top surface of the middle partition board (211). A fiber coiling mechanism (215) for coiling optical fibers is provided on the bottom surface of the middle partition board (211). A first sealing ring (216) for sealingly connecting to the lower housing (110) is provided around the bottom surface of the middle partition board (211).

8. The double-layer compartmentalized optical cable fiber distribution box according to claim 1, characterized in that: A plurality of coaxially arranged first rotating shafts (217) for rotatably connecting to the lower housing (110) are provided on the outer wall of one side of the upper housing (210). A plurality of first "C"-shaped hinge seats (112) respectively rotatably connected to the first rotating shafts (217) are provided on the outer wall of one side of the lower housing (110); A plurality of coaxially arranged second rotating shafts (301) for rotatably connecting to the upper housing (210) are further provided on the outer wall of one side of the upper cover (300). A plurality of second "C"-shaped hinge seats (218) respectively rotatably connected to the second rotating shafts (301) are provided on the outer wall of one side of the upper housing (210).

9. The double-layer compartmentalized optical cable fiber distribution box according to claim 1, characterized in that: A metal hook (140) is connected to the lower housing (110). A screw (141) is adapted to the metal hook (140). A threaded hole (142) for threadedly connecting with the screw (141) is provided on the metal hook (140). A spring buckle (150) for locking the upper cover (300) is further connected to the lower housing (110).

10. The double-layer compartmentalized optical cable fiber distribution box according to claim 1, characterized in that: The adapter assembly (220) includes an adapter skeleton (221) snap-connected to the upper housing (210). A plurality of snap holes arranged in an array for snap-connecting an adapter (222) are formed on the adapter skeleton (221). Each snap hole snap-connects an adapter (222).

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