CN219202000U

CN219202000U - Submarine optical cable branch joint box

Info

Publication number: CN219202000U
Application number: CN202223406719.4U
Authority: CN
Inventors: 林剑; 徐军; 杜浩华
Original assignee: Jiangsu Tongguang Marine Opto Electronic Technology Co ltd
Current assignee: Jiangsu Tongguang Marine Opto Electronic Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-16
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to the technical field of communication line installation, and discloses a submarine optical cable branch joint box, wherein two joint box covers are arranged, sealing plates are arranged on the surfaces of the joint box covers, fixing assemblies are arranged on the two sides of each sealing plate, the fixing assemblies are tightly attached to each other, an installation cavity is formed between the joint box covers, installation plates are uniformly arranged in the inner cavities of the installation cavity, the installation plates are arranged on the inner walls of the two sides of the installation cavity, supporting plates are arranged on the surfaces of the installation plates, supporting rods are arranged on the surfaces of the supporting plates, and extrusion springs are arranged on the peripheries of the supporting rods. Can support the backup pad through the mounting panel, the backup pad can support the joint box cover for the arc design to make the fretwork part of joint box cover can receive the support, improved the resistance to compression function of joint box cover to the sea water, make the joint box cover be difficult to take place to damage.

Description

Submarine optical cable branch joint box

Technical Field

The utility model relates to the technical field of communication line installation, in particular to a submarine optical cable branch joint box.

Background

The optical cable joint box is characterized in that two or more optical cables welded by a fiber welding machine are placed one by one according to a standard sequence, redundant parts are coiled in the box in an inverted 8 shape, the coiling radius is not less than 4cm (the optical fibers are prevented from being broken), and the coiling is required to be tidy. The optical cable joint box has the function of a connecting part of a protection part, is one of very important equipment which is necessary to be adopted by an optical fiber welding part in the engineering construction of an optical cable line, and the quality of the optical cable joint box directly influences the quality of the optical cable line and the service life of the optical cable line.

The existing optical cable connector box generally comprises four parts, namely a connector box cover, a fixing assembly, a connector box sealing assembly and a residual fiber accommodating disc, wherein the connector box cover is used for protecting an internal structure, and the sealing assembly is used for sealing a wiring part to prevent seawater from entering the optical cable connector box;

but because the pressure on seabed is great, the joint box cover needs place on the seabed for a long time, and the joint box cover needs to bear the pressure of sea water when putting into the seabed, and the long-time extrusion that receives sea water appears sunk easily in the intermediate position of joint box cover and takes place to damage, simultaneously because sea water mobility is stronger, the sea water can promote the optical cable when flowing, and the optical cable will take place to rock when being promoted, and the optical cable rocks always and drives the sealing member easily and rocks, and the sealing member will be difficult to seal the junction of optical cable and joint box cover when rocking, has reduced the sealing performance of device.

Disclosure of Invention

(one) solving the technical problems

The utility model provides a submarine optical cable branch joint box for solving the problems in the background art.

(II) technical scheme

In a first aspect, the present utility model provides the following technical solutions: the utility model provides a submarine optical cable branch joint box, includes the joint box cover, the quantity of joint box cover has two, the closing plate is all installed to the surface of joint box cover, fixed subassembly is all installed to the both sides of closing plate, all closely laminate between the fixed subassembly, install the cavity between the joint box cover, the mounting panel is evenly installed to the inner chamber of installation cavity, the mounting panel is installed on the both sides inner wall of installation cavity, the backup pad is all installed to the surface of mounting panel, the bracing piece is all installed to the surface of backup pad, the periphery of bracing piece all is equipped with extrusion spring.

In a second aspect, the two sides of the joint box cover are provided with fixing plates, the surfaces of the fixing plates are all screwed with threaded rods, and the surfaces of the threaded rods are all provided with limiting frames through bearings.

In the third aspect, mounting holes are formed in two sides of the joint box cover, sealing assemblies are mounted in inner cavities of the mounting holes, and the mounting holes are matched with the limiting frames in position and size.

In a fourth aspect, the surface of the mounting plate is provided with insertion ports, and the support rods are inserted into the inner cavities of the insertion ports at corresponding positions.

In a fifth aspect, the top ends of the compression springs are connected to the surface of the support plate, and the bottom ends of the compression springs are connected to the surface of the mounting plate.

In a sixth aspect, the baffle is installed on both sides of the lower surface of the fixing plate, the sliding grooves are all formed in the surface of the baffle, the sliding blocks are installed on both sides of the limiting frame, and the sliding blocks are embedded in the sliding grooves at corresponding positions.

In a seventh aspect, the bottom of the connector box cover is provided with a clamping block, the surface of the other connector box cover is provided with a clamping groove, and the clamping block is inserted into the inner cavity of the clamping groove.

Advantageous effects

Compared with the prior art, the utility model provides a submarine optical cable branch joint box, which comprises the following components

The beneficial effects are that:

1. according to the submarine optical cable branch joint box, the supporting plate can be supported through the mounting plate, and the supporting plate can support the joint box cover in an arc-shaped design, so that the hollowed-out part of the joint box cover can be supported, the compression resistance of the joint box cover to seawater is improved, and the joint box cover is not easy to damage;

2. this submarine optical cable branch joint box adds the threaded rod of establishing and can drive the spacing and remove, and the spacing is half annular design and can carry out spacing fixedly to the cable for the optical cable can not drive seal assembly and rock when receiving the promotion of sea water, makes seal assembly can not receive the influence, thereby has guaranteed seal assembly's sealing performance.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 1 at B according to the present utility model.

In the figure: 1. a splice closure; 2. a sealing plate; 3. a fixing assembly; 4. a mounting chamber; 5. a mounting plate; 6. a support plate; 7. a support rod; 8. extruding a spring; 9. a fixing plate; 10. a threaded rod; 11. a limiting frame; 12. a mounting hole; 13. a seal assembly; 14. an interface; 15. a baffle; 16. a chute; 17. a slide block; 18. and a clamping block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a technical scheme, a submarine optical cable branch joint box, which comprises two joint box covers 1, sealing plates 2, fixing components 3, mounting cavities 4, mounting plates 5, supporting plates 6, supporting rods 7, extrusion springs 8, fixing plates 9, threaded rods 10, limiting frames 11, mounting holes 12, sealing components 13, inserting ports 14, baffle plates 15, sliding grooves 16, sliding blocks 17 and clamping blocks 18, wherein the number of the joint box covers 1 is two, the surfaces of the joint box covers 1 are respectively provided with the sealing plates 2, the fixing components 3 are respectively arranged on two sides of the sealing plates 2, the fixing components 3 are respectively and closely attached, the mounting cavities 4 are respectively arranged between the joint box covers 1, the mounting plates 5 are respectively and evenly arranged on the inner walls of the two sides of the mounting cavities 4, the surfaces of the mounting plates 5 are respectively provided with the supporting plates 6, the surfaces of the supporting plates 6 are respectively provided with the supporting rods 7, the outer circumferences of the supporting rods 7 are respectively provided with the extrusion springs 8, the supporting plates 6 can support the supporting plates 6 through the mounting plates 5, the arc-shaped design of the supporting plates 6 can support the joint box covers 1, so that the hollowed-out parts of the joint box covers 1 can be supported, the joint box covers 1 can be easily damaged, the joint box covers 1 can be easily, and the joint box covers 1 can not be damaged by the seawater, and the joint box 1 can not be damaged by the joint box covers;

the fixing plates 9 are arranged on two sides of the joint box cover 1, the threaded rods 10 are screwed on the surfaces of the fixing plates 9, the limiting frames 11 are arranged on the surfaces of the threaded rods 10 through bearings, the limiting frames 11 can be driven to move by the threaded rods 10, and the limiting frames 11 are semi-annular in design and can limit and fix the optical cable, so that the sealing component 13 is not driven to shake when the optical cable is pushed by seawater, the sealing component 13 is not influenced, and the sealing performance of the sealing component 13 is guaranteed;

mounting holes 12 are formed in two sides of the connector box cover 1, sealing assemblies 13 are mounted in inner cavities of the mounting holes 12, the positions and sizes of the mounting holes 12 and the limiting frames 11 are matched, and the mounting holes 12 are used for mounting optical cables in the connector box cover 1;

the surface of the mounting plate 5 is provided with the inserting ports 14, the supporting rods 7 are inserted into the inner cavities of the inserting ports 14 at the corresponding positions, and the supporting rods 7 can downwards move through the inserting ports 14 when being greatly extruded, so that the supporting rods 7 cannot damage the supporting plates 6;

the top ends of the extrusion springs 8 are connected with the surface of the supporting plate 6, the bottom ends of the extrusion springs 8 are connected with the surface of the mounting plate 5, the supporting plate 6 can be elastically supported through the extrusion springs 8, and the supporting plate 6 can always support the joint box cover 1 by matching with the elastic force of the supporting plate 6;

baffle plates 15 are arranged on two sides of the lower surface of the fixed plate 9, sliding grooves 16 are formed in the surface of each baffle plate 15, sliding blocks 17 are arranged on two sides of each limiting frame 11, the sliding blocks 17 are embedded into the corresponding sliding grooves 16, and the sliding blocks 17 and the sliding grooves 16 are used for limiting the limiting frames 11 so that the limiting frames 11 can vertically move;

the clamping block 18 is arranged at the bottom of the joint box cover 1, the clamping groove is formed in the surface of the other joint box cover 1, the clamping block 18 is inserted into the inner cavity of the clamping groove, and the clamping block 18 is used for sealing the joint between the two joint box covers 1.

The working principle of the device is as follows: the utility model provides a can support backup pad 6 through mounting panel 5 at first, backup pad 6 can support joint box cover 1 for the arc design, thereby make the fretwork part of joint box cover 1 can receive the support, the resistance to compression function of joint box cover 1 to the sea water has been improved, make joint box cover 1 be difficult to take place to damage, then can support backup pad 6 elasticity through extrusion spring 8, cooperation backup pad 6 self elasticity, make backup pad 6 can support joint box cover 1 always, rotatory threaded rod 10 can drive spacing 11 and remove at last, spacing 11 are half annular design can carry out spacing fixedly to the cable, make the optical cable can not drive seal assembly 13 and rock when receiving the promotion of sea water, make seal assembly 13 can not receive the influence, thereby seal assembly 13's sealing performance has been guaranteed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Submarine optical cable branch joint box, including joint box cover (1), its characterized in that: the number of the connector box covers (1) is two, the sealing plates (2) are all installed on the surfaces of the connector box covers (1), fixing assemblies (3) are all installed on the two sides of each sealing plate (2), each fixing assembly (3) is tightly attached to each other, an installation cavity (4) is formed between the connector box covers (1), installation plates (5) are evenly installed in inner cavities of the installation cavities (4), the installation plates (5) are installed on the inner walls of the two sides of the installation cavities (4), supporting plates (6) are all installed on the surfaces of the installation plates (5), supporting rods (7) are all installed on the surfaces of the supporting plates (6), and extrusion springs (8) are all arranged on the peripheries of the supporting rods (7).

2. The submarine cable branch junction box of claim 1, wherein: the connector box is characterized in that fixing plates (9) are arranged on two sides of the connector box cover (1), threaded rods (10) are screwed on the surfaces of the fixing plates (9), and limiting frames (11) are arranged on the surfaces of the threaded rods (10) through bearings.

3. A sub-sea cable breakout enclosure according to claim 2, wherein: the connector box is characterized in that mounting holes (12) are formed in two sides of the connector box cover (1), sealing assemblies (13) are mounted in inner cavities of the mounting holes (12), and the positions and the sizes of the mounting holes (12) and the limiting frames (11) are matched.

4. The submarine cable branch junction box of claim 1, wherein: the surface of the mounting plate (5) is provided with an inserting port (14), and the supporting rods (7) are inserted into the inner cavities of the inserting ports (14) at corresponding positions.

5. The submarine cable branch junction box of claim 1, wherein: the top of extrusion spring (8) all links to each other with the surface of backup pad (6), the bottom of extrusion spring (8) all links to each other with the surface of mounting panel (5).

6. A sub-sea cable breakout enclosure according to claim 2, wherein: baffle (15) are all installed to the lower surface both sides of fixed plate (9), spout (16) have all been seted up on the surface of baffle (15), slider (17) are all installed to the both sides of spacing (11), slider (17) all imbeds in spout (16) of corresponding position.

7. The submarine cable branch junction box of claim 1, wherein: the bottom of the connector box cover (1) above is provided with a clamping block (18), the upper surface of the connector box cover (1) below is provided with a clamping groove, and the clamping block (18) is inserted into the inner cavity of the clamping groove.