Cross optical cable junction box

Abstract

The utility model discloses a crisscross optical cable junction box, which comprises a box body, the box body comprises a fusion welding area arranged at the edge and a communication area arranged in the middle, four fiber fusion boxes are arranged in the fusion welding area at intervals, and a first fixing assembly is arranged at the position, corresponding to the inlet end of each fiber fusion box, of the fusion welding area; a cable enters the box body, can be fixed by the first fixing assembly and then is welded with the corresponding fiber melting box, and the outlet ends of any two fiber melting boxes are communicated through the connecting line after welding. According to the utility model, the four fiber fusion boxes are fixed through the box body, the four cables are fused at the same time, and any two fiber fusion boxes are communicated through the connecting line after fusion, so that free combination and connection of the cross optical cables are realized; the box body is partitioned, so that the wiring of the box body is neat and orderly; by arranging the first fixing assembly, the optical cable entering the fiber fusion box is limited and fixed, the movement of the optical cable is limited, and stable wiring is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of optical cable junction boxes, in particular to a cross optical cable junction box. Background Art

[0002] OPGW: optical fibre composite overhead ground wire, optical fibre composite overhead ground wire, composites optical fibre into the ground wire of overhead high voltage transmission line to form a fibre optic communication network on the transmission line. This structure has both ground wire and communication functions and is called optical fibre composite overhead ground wire.

[0003] In order to meet the operation, management, production and office needs of the power network, an optical cable network is built at the same time as the primary power line is built. The optical cable network architecture basically covers all voltage levels from ultra-high voltage to the user's power distribution room. OPGW optical cables are installed on high-voltage transmission lines. The optical cable network architecture carries a multi-level, highly stable transmission network system based on SDH transmission network, OTN transmission network and router switching technology.

[0004] OPGW optical cables are installed on UHV transmission lines, with a total length of hundreds to thousands of kilometers. In order to meet the construction of UHV optical fiber communications, it is necessary to combine the primary power lines, that is, at the "cross" position where the UHV transmission lines and other low-voltage transmission lines such as 500kV and 220kV lines cross, the OPGW optical cables installed on the UHV lines and the OPGW optical cables installed on the low-voltage lines are cross-connected and fused. However, the junction boxes currently used for this project are generally straight-through with one input and one output or one input and two outputs, which can only form straight-through fiber cores, and it is difficult to meet the needs of "cross" cross-connection and fusion. With the increasing complexity of power line rewiring, in order to meet the needs of UHV transmission line optical fiber communication construction, it is urgent to study a new type of junction box that can flexibly connect cross-cross optical cables. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a cross optical cable junction box which can meet the needs of "cross" cross splicing and fusing.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions: a cross optical cable junction box, comprising four fiber splicing boxes and at least two connecting lines, and also comprising a box body, wherein the box body comprises a fusion zone arranged at the edge and a communication zone arranged in the middle, and the four fiber splicing boxes are arranged in the fusion zone at intervals, and the first fixing component is arranged at the inlet end position of each fiber splicing box corresponding to the fusion zone;

[0007] The box body is also provided with four wiring ports for cables to enter the box body, and the cables entering the box body can be fixed by the first fixing assembly and then fused with the corresponding splicing boxes. After fusion, the outlet ends of any two splicing boxes can be connected through the connecting line.

[0008] Furthermore, it also includes at least two second fixing components arranged in the communication area, and the second fixing components can be detachably connected to the connecting line.

[0009] Furthermore, the first fixing component and the second fixing component have the same structure, and both include a base with a semicircular through groove in cross section, a clamping block with a semicircular through groove in cross section and elastically hinged to the base, a fixing block slidably arranged on the clamping block in a vertical direction, a plug arranged on the fixing block and insertable into the base, and a fixing plug elastically penetrated on the base in a horizontal direction, and a slot is also arranged on the plug, and the fixing plug can be inserted into the slot when the plug is inserted into the base.

[0010] Furthermore, the plugging end of the plug is inclined downwardly on a side close to the fixing bolt, and the plugging end of the fixing bolt is hemispherical.

[0011] Furthermore, it also includes a box cover which is hinged to the box body and can be locked together, and both the box body and the box cover are provided with handles, and the two handles are detachably connected.

[0012] Furthermore, the two handles each include two obliquely arranged support rods, and the handle on the box cover also includes a grip arranged on the support rod and a limit bolt elastically inserted on the grip along the length direction of the grip, and the handle on the box body also includes a shell that can wrap the grip, and the shell is also provided with a socket for accommodating the limit bolt.

[0013] The beneficial effects of the utility model are embodied in:

[0014] The utility model provides a cross-cross optical cable junction box for fixing and installing four fiber splicing boxes by setting a box body, so that four cables can be spliced ​​at the same time. After the splicing, any two fiber splicing boxes can be connected by connecting lines to realize the free combination and connection of the cross-cross optical cables. The box body is divided into a splicing area and a connecting area by partitioning the box body, so that the wiring of the box body is neat and orderly. The first fixing component is provided to limit and fix the optical cable entering the fiber splicing box, limit the movement of the optical cable, and ensure the stability of the wiring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a top view of the structure of the cross optical cable junction box of the utility model;

[0016] Figure 2 This is a side view of the structure of the cross optical cable junction box of the utility model;

[0017] Figure 3 This is a front view of the first fixing assembly structure of the utility model;

[0018] Figure 4 It is a side sectional view of the first fixing assembly structure of the utility model;

[0019] Figure 5 It is a schematic diagram of the shell structure of the utility model;

[0020] Figure 6 This is a schematic diagram of a connecting line connection for implementing the utility model;

[0021] Figure 7 It is a schematic diagram of two connecting wires for implementing the utility model;

[0022] Figure 8 It is a schematic diagram of two connecting wires for implementing the utility model;

[0023] Fig. 9 This is a schematic diagram of the three-connection line connection of the utility model;

[0024] The components in the accompanying drawings are marked as: 1. fiber splicing box; 2. connecting wire; 3. box body; 301. wiring port; 4. first fixing component; 401. base; 402. block; 403. fixing block; 404. plug; 4041. slot; 405. fixing plug; 5. second fixing component; 6. box cover; 7. handle; 701. support rod; 702. grip; 703. limit plug; 704. shell; 7041. jack; A. welding area; B. communication area. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] Embodiment 1: This embodiment is directed to wiring between two 72-core OPGW optical cables D and between two 72-core OPGW optical cables E.

[0027] See also Figure 1 , 2 、6.

[0028] The utility model cross optical cable junction box includes four fiber splicing boxes 1 and two connecting lines 2, and also includes a box body 3, the box body 3 includes a fusion zone A arranged at the edge and a connection zone B arranged in the middle, the four fiber splicing boxes 1 are arranged in the fusion zone A at intervals, and the fusion zone A is provided with a first fixing component 4 at the inlet end position of each fiber splicing box 1;

[0029] The box body 3 is also provided with four wiring ports 301 for cables to enter the box body 3, and the cables entering the box body 3 can be fixed by the first fixing component 4 and then fused with the corresponding splicing boxes 1, and after fusion, any two outlet ends of the splicing boxes 1 can be connected through the connecting line 2;

[0030] In this embodiment, two 72-core OPGW optical cables D and two 72-core OPGW optical cables E are symmetrically arranged on both sides of the box body 3. The two 72-core OPGW optical cables D first pass through the wiring port 301 and enter the corresponding fusion box 1 for fusion. After fusion, they are connected through a connecting line 2, and at this time, the connecting line 2 is a 72-core pigtail with an FC connector. The same is true for the 72-core OPGW optical cable E.

[0031] In this embodiment, the fiber splicing box 1 is a fiber splicing box 1 structure in the prior art that can meet the one-in-one-out requirements of 72-core optical cables.

[0032] See also Figure 6 , and also includes two second fixing components 5 arranged in the communication area B, and the second fixing components 5 can be detachably connected to the connecting line 2. In this design, the connecting line 2 is fixed by the second fixing components 5, which further ensures the neatness and order of the wiring, and in this embodiment, the two second fixing components 5 are arranged in sequence along the height direction of the box body 3 and rotated to cooperate with each other.

[0033] See also Figure 3-4The first fixing component 4 and the second fixing component 5 have the same structure, and both include a base 401 with a semicircular through groove in cross section, a block 402 with a semicircular through groove in cross section and elastically hinged to the base 401, a fixing block 403 slidably arranged on the block 402 in a vertical direction, a plug 404 arranged on the fixing block 403 and insertable into the base 401, and a fixing plug 405 elastically penetrated on the base 401 in a horizontal direction, and a slot 4041 is also arranged on the plug 404, and the fixing plug 405 can be inserted into the slot 4041 when the plug 404 is inserted into the base 401. With this design, the cable and the connecting line 2 can be clamped by the base 401 and the clamping block 402, and fixed by the plug-in cooperation of the fixing bolt 405 and the plug 404. In this embodiment, the elastic hinge of the clamping block 402 can be achieved by a torsion spring; the elastic plugging of the plug 404 can be achieved by a spring; the base 401 and the clamping block 402 have a semicircular cross-section with a radius slightly smaller than the diameter of the cable or the connecting line 2, ensuring a firm clamping; when the fixing bolt 405 is plugged into the plug 404, the plug 404 is in a non-compressed and non-stretched state.

[0034] See also Figure 4 The plug end of the plug 404 is inclined downwards on the side close to the fixing bolt 405, and the plug end of the fixing bolt 405 is hemispherical. With this design, when the fixing bolt 405 is inserted into the base 401, the downwardly inclined plug end can push the fixing bolt 405 to retract by itself, and after the plug end is continuously inserted into the slot 4041 and exposed to the position of the fixing bolt 405, the fixing bolt 405 is automatically inserted into the slot.

[0035] See also Figure 1 , and also includes a box cover 6 that is hinged to the box body 3 and can be mutually engaged and covered, and both the box body 3 and the box cover 6 are provided with handles 7, and the two handles 7 are detachably connected. In this design, the box cover 6 protects the internal components of the box body 3, and both the box cover 6 and the box body 3 are provided with handles 7 for easy opening of the box, and the two handles 7 are detachably connected to achieve the fixation of the box cover 6 and the box body 3.

[0036] See also Figure 2 and Figure 5, the two handles 7 each include two support rods 701 arranged obliquely, and the handle 7 on the box cover 6 also includes a grip 702 arranged on the support rod 701 and a stop bolt 703 elastically inserted on the grip 702 along the length direction of the grip 702, and the handle 7 on the box body 3 also includes a shell 704 that can wrap the grip 702, and the shell 704 is also provided with a plug hole 7041 for accommodating the stop bolt 703. This design realizes the detachable connection of the two handles 7, and the structure is simple and easy to operate. In this embodiment, after the stop bolt 703 is inserted into the plug hole 7041, the stop bolt 703 does not protrude from the shell 704, so as to avoid accidental unlocking. In this embodiment, the elastic insertion of the stop bolt 703 is realized by a spring.

[0037] Embodiment 2: This embodiment is for matching and wiring two 72-core OPGW optical cables D and two 72-core OPGW optical cables E in a one-to-one correspondence.

[0038] See also Figure 7-8 The utility model cross-cross optical cable junction box includes four fiber splicing boxes 1 and two connecting lines 2, and also includes a box body 3, the box body 3 includes a fusion zone A arranged at the edge and a connection zone B arranged in the middle, the four fiber splicing boxes 1 are arranged in the fusion zone A at intervals, and the fusion zone A corresponds to the inlet end position of each fiber splicing box 1. A first fixing component 4 is provided;

[0039] The box body 3 is also provided with four wiring ports 301 for cables to enter the box body 3, and the cables entering the box body 3 can be fixed by the first fixing component 4 and then fused with the corresponding splicing boxes 1, and after fusion, any two outlet ends of the splicing boxes 1 can be connected through the connecting line 2;

[0040] In this embodiment, two 72-core OPGW optical cables D and two 72-core OPGW optical cables E are symmetrically arranged on both sides of the box body 3. One 72-core OPGW optical cable D and one 72-core OPGW optical cable E first pass through the wiring port 301 and enter the corresponding fusion box 1 for fusion splicing. After fusion splicing, they are connected through a connecting line 2, and at this time, the connecting line 2 is a 72-core pigtail with an FC connector. The remaining one 72-core OPGW optical cable D and one 72-core OPGW optical cable E are operated in the same way.

[0041] In this embodiment, the fiber splicing box 1 is a fiber splicing box 1 structure in the prior art that can meet the one-in-one-out requirements of 72-core optical cables.

[0042] It should be noted that the second embodiment differs from the first embodiment only in the wiring method, and the other structures are the same.

[0043] Embodiment 3: This embodiment is for wiring between any two optical cables between two 72-core OPGW optical cables D and between two 72-core OPGW optical cables E.

[0044] See also Fig. 9 The utility model cross-cross optical cable junction box includes four fiber splicing boxes 1 and six connecting wires 2, and also includes a box body 3, the box body 3 includes a fusion zone A arranged at the edge and a connection zone B arranged in the middle, the four fiber splicing boxes 1 are arranged in the fusion zone A at intervals, and the fusion zone A corresponds to the inlet end position of each fiber splicing box 1. A first fixing component 4 is provided;

[0045] The box body 3 is also provided with four wiring ports 301 for cables to enter the box body 3, and the cables entering the box body 3 can be fixed by the first fixing component 4 and then fused with the corresponding splicing boxes 1, and after fusion, any two outlet ends of the splicing boxes 1 can be connected through the connecting line 2;

[0046] In this embodiment, two 72-core OPGW optical cables D and two 72-core OPGW optical cables E are symmetrically arranged on both sides of the box body 3, and the fiber splicing box 1 is a fiber splicing box 1 structure that can meet the needs of 72-core optical cables with one input and three outputs in the prior art;

[0047] Two 72-core OPGW optical cables D and two 72-core OPGW optical cables E are first inserted into the wiring port 301 and enter the corresponding splicing box 1 for splicing. After splicing, the four splicing boxes 1 are connected in pairs through six connecting wires 2, and at this time, the connecting wires 2 are 72-core pigtails with FC connectors.

[0048] It should be noted that, assuming that one outlet end of the splice box 1 is a connector for C1 cores, one is a connector for C2 cores, and the last one is a connector for 72-C1-C2 cores, where the verticality of C1 and C2 can be adjusted according to actual conditions;

[0049] It should also be noted that the third embodiment differs from the first and second embodiments only in the wiring method, the number of second fixing components 5 and the structure of the fiber splicing box 1, and the other structures are the same.

[0050] It should be noted that if the embodiments of the present invention involve directional indications such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0051] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or schemes that satisfy both A and B. In addition, "multiple" refers to more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0052] It should be understood that the examples and implementation modes described herein are for illustrative purposes only and are not intended to limit the present invention. Those skilled in the art may make various modifications or changes based on the examples and implementation modes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A cross optical cable junction box, comprising four fiber splicing boxes (1) and at least two connecting lines (2), characterized in that: It also comprises a box body (3), the box body (3) comprising a fusion zone (A) arranged at the edge and a connecting zone (B) arranged in the middle, four fusion boxes (1) are arranged in the fusion zone (A) at intervals, and a first fixing component (4) is arranged at the inlet end position of each fusion box (1) in the fusion zone (A); The box body (3) is also provided with four wiring ports (301) for cables to enter the box body (3), and the cables entering the box body (3) can be fixed by the first fixing component (4) and then fused with the corresponding splicing boxes (1). After fusion, the outlet ends of any two splicing boxes (1) can be connected through the connecting line (2).

2. The cross optical cable junction box according to claim 1, characterized in that: It also comprises at least two second fixing components (5) arranged in the communication area (B), and the second fixing components (5) can be detachably connected to the connecting line (2).

3. The cross optical cable junction box according to claim 2, characterized in that: The first fixing assembly (4) and the second fixing assembly (5) have the same structure, and both comprise a base (401) provided with a through groove with a semicircular cross section, a clamping block (402) provided with a through groove with a semicircular cross section and elastically hinged to the base (401), a fixing block (403) slidably arranged on the clamping block (402) in a vertical direction, a plug (404) arranged on the fixing block (403) and insertable into the base (401), and a fixing plug (405) elastically inserted into the base (401) in a horizontal direction, and a slot (4041) is also provided on the plug (404), and the fixing plug (405) can be inserted into the slot (4041) when the plug (404) is inserted into the base (401).

4. The cross optical cable junction box according to claim 3, characterized in that: The plugging end of the plug (404) is inclined downwards on the side close to the fixing bolt (405), and the plugging end of the fixing bolt (405) is hemispherical.

5. The cross optical cable junction box according to any one of claims 1 to 4, characterized in that: It also comprises a box cover (6) which is hinged to the box body (3) and can be mutually snap-fitted and covered, and both the box body (3) and the box cover (6) are provided with handles (7), and the two handles (7) are detachably connected.

6. The cross optical cable junction box according to claim 5, characterized in that: The two handles (7) each include two obliquely arranged support rods (701), and the handle (7) on the box cover (6) also includes a grip (702) arranged on the support rod (701) and a limit bolt (703) elastically inserted on the grip (702) along the length direction of the grip (702), and the handle (7) on the box body (3) also includes a shell (704) that can wrap the grip (702), and the shell (704) is also provided with a socket (7041) for accommodating the limit bolt (703).

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