CN215416024U

CN215416024U - Optical splitter box

Info

Publication number: CN215416024U
Application number: CN202121436866.9U
Authority: CN
Inventors: 徐济长; 钟明望
Original assignee: Anhui Hangyue Communication Equipment Co ltd
Current assignee: Anhui Hangyue Communication Equipment Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-01-04
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses an optical branching device box, which comprises a fiber melting box and a branching box which are integrally arranged or detachably arranged together; the optical cables enter the branching box from one side of the branching box, penetrate through the branching box and extend into the fiber melting box, and are positioned on one side of the fiber melting disc through the optical cable fixing device; the box-type optical splitter is positioned at the other side of the fiber melting disc through an optical splitter; the tail fiber optical cable and the inlet and outlet optical cables of the box-type optical splitter are welded at the fiber melting disc; the box-type optical splitter output connector is connected to the adapter, and an optical cable between the box-type optical splitter output connector and a tail fiber optical cable of the box-type optical splitter is wound on the fiber winding device and fixed. The upper door plate uses four special-shaped screw fixing columns to fix the upper tail fibers, the tail fibers at the upper part are well welded in advance, the optical splitter is preset in advance, the opening times of the welding area of the upper optical cable are reduced, the special-shaped screws fix the upper door plate, and the dustproof and waterproof effects are better achieved.

Description

Optical splitter box

Technical Field

The utility model relates to an optical splitter box.

Background

The optical splitter boxes are used as optical splitting equipment in a large quantity in an FTTH circuit, the service environments of the optical splitter boxes are mostly outdoor, and water resistance and dust resistance need to be considered;

the fiber melting part (the part for installing the box-type optical splitter) of the existing optical splitter box and the rubber-insulated-wire optical cable (the output part in the optical splitter) are arranged in the same opening and closing space, and the fiber melting part of the existing optical splitter box does not need to be arranged for many times because the rubber-insulated-wire optical cable needs to be opened and closed for many times in the using process, and the opening and closing for many times can also influence the data parameters of the optical fiber.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above problems, and an object of the present invention is to provide an optical splitter box in which the number of times of opening of an upper cable fusion zone is reduced.

In order to achieve the purpose, the utility model is realized by the following technical scheme: an optical branching box comprises a fiber melting box and a branching box which are integrally or detachably arranged together; the fiber melting box is internally provided with a fiber melting disc, a box-type optical splitter and a fiber running space for entering and exiting the optical cable; the branch box is internally provided with an adapter and a fiber running space of the rubber-insulated-wire optical cable, the in-out optical cable enters the branch box from one side of the branch box, penetrates through the branch box and extends into the fiber melting box, and is positioned at one side of the fiber melting disc through the optical cable fixing device; the box-type optical splitter is positioned at the other side of the fiber melting disc through an optical splitter; the tail fiber optical cable and the inlet and outlet optical cables of the box-type optical splitter are welded at the fiber melting disc; the box-type optical splitter output connector is connected to the adapter, and an optical cable between the box-type optical splitter output connector and a tail fiber optical cable of the box-type optical splitter is wound on the fiber winding device and fixed; the adapter is fixed on the branching box at one side of the branching box close to the fiber melting box, and the output joint of the box type optical branching device penetrates through the space between the branching box and the fiber melting box and is inserted into the adapter; the rubber-insulated-wire optical cable enters the branch box from one side of the branch box and is fixed through the rubber-insulated-wire clamping seat, and the joint of the rubber-insulated-wire optical cable is connected to the adapter.

Furthermore, an upper door plate is arranged on the fiber melting box and covers the fiber melting box to form a closed space together with the fiber melting box; the upper door plate is fixed on the fiber melting box through bolts.

Furthermore, special-shaped screws are fixed at four corners of the upper door plate, upper door fixing studs are arranged at opposite positions of the fiber melting box, and the upper door plate is fixed on the fiber melting box through the matching of the special-shaped screws and the upper door fixing studs so as to reduce the opening times of the fiber melting box.

Particularly, a lower door plate is arranged on the branch box and covers the branch box; the lower door plate is movably connected to the branch box through a lock, and a sealing strip is arranged at the joint of the lower door plate and the branch box and used for sealing the lower door plate and the branch box.

Particularly, the connection part of the incoming and outgoing optical cable entering the branching box and the fiber melting box is provided with a sealing ring respectively for sealing the inlet and the outlet of the optical cable entering and exiting the optical branching box.

In conclusion, the utility model has the following beneficial effects: the upper door plate uses four special-shaped screw fixing columns to fix the upper part of the tail fibers, the tail fibers are well welded in advance, the optical splitter is preset in advance, the opening times of the welding area of the upper optical cable are reduced, the special-shaped screws fix the upper door plate, the dustproof and waterproof effects are better achieved, and the factors influencing optical fiber data are minimized. The same operation of fused fiber operation and traditional optical divider case, later stage operation is more convenient than traditional, and the later stage operation need not open the top butt fusion region simultaneously, can not influence the change of optic fibre data or cause the data interrupt at opening the business because of misoperation.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Detailed Description

The utility model will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the utility model is not restricted.

Referring to fig. 1, an optical splitter box includes a fiber melting box 1 and a splitter box 2, which are integrally or detachably disposed together; the fiber melting box 1 is internally provided with a fiber melting disc 110, a box-type optical splitter and a fiber running space for entering and exiting the optical cable; the branching box 2 is internally provided with an adapter 220 and a fiber running space of a rubber-insulated-wire cable, the in-out optical cable enters the branching box 2 from one side of the branching box 2, penetrates through the branching box 2 and extends into the fiber melting box 1, and is positioned at one side of the fiber melting disc 110 through the optical cable fixing device 111; the box type optical splitter positions the optical splitter at the other side of the fiber melting disc 110 through the optical splitter 112; the tail fiber optical cable and the inlet and outlet optical cable of the box type optical splitter are welded at the fiber melting disc 110; the output joint of the box type optical splitter is connected to the adapter 220, and an optical cable between the output joint of the box type optical splitter and a tail fiber optical cable of the box type optical splitter is wound on the fiber winding device 113 and fixed; the adapter 220 is fixed on the branching box 1 at one side of the branching box 2 close to the fiber melting box 1, and the output connector of the box type optical branching device penetrates through the space between the branching box 2 and the fiber melting box 1 and is inserted into the adapter 220; the rubber-insulated optical cable enters the branch box 2 from one side of the branch box, and is fixed by the rubber-insulated cable clamping seat 221, and the joint of the rubber-insulated optical cable is connected to the adapter 220.

The box type optical splitter adopts a carrier-grade 1-divided-by-more optical splitter in the prior art, and comprises a group of tail fibers, a plurality of groups of optical cables with output joints and a box type optical splitter; positioning grooves are arranged at four corners of the box-type optical splitter; the light-splitting fixing piece 112 in the utility model comprises a pair of fixing grooves matched with the length or width of the light splitter, and the fixing grooves are respectively provided with a group of fixing columns; the lower part of the fixing column is lapped at the bottom of the fiber melting box (the fixing column can be fixedly and movably arranged at the bottom of the fiber melting box, and the fixing column preferably cannot penetrate through the bottom of the fiber melting box, so that the waterproof and dustproof effects on the fiber melting box are not facilitated); the fixing column can be fixed at any position in the fixing groove through a bolt; the box type optical splitter is fixed at the bottom of the fiber melting box through the fixing column.

In addition, in order to match with the industry specification of the optical cable terminal box (specifically, fixing optical cable reinforcing ribs), the optical cable terminal box is assembled as follows:

an optical cable pressing block is arranged on the optical cable fixing device 111, and an optical cable enters the fiber melting box from one side of the optical cable pressing block; the front end of the optical cable pressing block is clamped at the bottom of the fiber melting box to form a space for accommodating an optical cable to pass through, so that the optical cable is positioned in the vertical direction.

An optical cable fixing column is also arranged between the optical cable pressing block and the fiber melting disc; the optical cable fixing column is embedded at the bottom of the fiber melting box, and a space for fixing an optical cable reinforcing rib is arranged in the optical cable fixing column; a fixing screw is arranged above the optical cable fixing column, and the optical cable reinforcing ribs are locked and fixed downwards through the fixing screw; the optical cable reinforcing ribs enter from the optical cable pressing block and are locked and fixed in the optical cable fixing column to realize the positioning of the optical cable in the horizontal direction.

In order to reduce the waterproof and dustproof functions of the added optical branching box and reduce the opening times of the fiber melting box, the fiber melting box and the branching box are arranged as follows:

the fiber melting box 1 is also provided with an upper door plate 114 which covers the fiber melting box 1 and forms a closed space together with the fiber melting box 1; the upper door plate 114 is fixed to the fuse box 1 by bolts.

Irregular screws 115 are fixed at four corners of the upper door plate 114, an upper door fixing stud 116 is arranged at a position opposite to the fiber melting box 1, and the upper door plate 114 is fixed on the fiber melting box 1 through the matching of the irregular screws 115 and the upper door fixing stud 116, so that the opening times of the fiber melting box 1 are reduced.

A lower door plate 222 is arranged on the branch box 2 and covers the branch box 2; the lower door panel 222 is movably connected to the branch box 2 through a lock 223, and a sealing strip 224 is further arranged at the joint of the lower door panel 222 and the branch box 2 for sealing the lower door panel and the branch box.

And sealing rings 225 are respectively arranged at the joints where the incoming and outgoing optical cables enter the branching box 2 and the fiber melting box 1 and the joints where the rubber-insulated-wire optical cables enter the branching box 2 and are used for sealing the inlets and outlets of the optical cables entering and exiting the optical branching box.

The upper door plate uses four special-shaped screw fixing columns, the tail fibers at the upper part are well welded in advance, the optical splitter is preset in advance, the upper door plate does not need to be opened again at the later stage, the opening times of the door plate are reduced, and the better dustproof and waterproof effects are achieved. And the special-shaped screw reduces the possibility of opening by irrelevant people. When the system is used in the later period, the lower door plate is directly opened, the connected rubber-insulated-wire optical cable is inserted into the adapter below, the rubber-insulated-wire optical cable is fixed by the rubber-insulated-wire clamping seat, and the system can be used after the system is opened.

The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and those skilled in the art will understand that the technical features of the present invention can be modified or changed by other equivalent embodiments without departing from the scope of the present invention.

Claims

1. An optical branching box comprises a fiber melting box and a branching box which are integrally or detachably arranged together; the fiber melting box is internally provided with a fiber melting disc, a box-type optical splitter and a fiber running space for entering and exiting the optical cable; the branch box is internally provided with an adapter and a fiber running space of the rubber-insulated-wire optical cable, and is characterized in that: the optical cables enter the branching box from one side of the branching box, penetrate through the branching box and extend into the fiber melting box, and are positioned on one side of the fiber melting disc through the optical cable fixing device; the box-type optical splitter is positioned at the other side of the fiber melting disc through an optical splitter; the tail fiber optical cable and the inlet and outlet optical cables of the box-type optical splitter are welded at the fiber melting disc; the box-type optical splitter output connector is connected to the adapter, and an optical cable between the box-type optical splitter output connector and a tail fiber optical cable of the box-type optical splitter is wound on the fiber winding device and fixed; the adapter is fixed on the branching box at one side of the branching box close to the fiber melting box, and the output joint of the box type optical branching device penetrates through the space between the branching box and the fiber melting box and is inserted into the adapter; the rubber-insulated-wire optical cable enters the branch box from one side of the branch box and is fixed through the rubber-insulated-wire clamping seat, and the joint of the rubber-insulated-wire optical cable is connected to the adapter.

2. An optical splitter box according to claim 1, characterized in that: the fiber melting box is also provided with an upper door plate which covers the fiber melting box to form a closed space together with the fiber melting box; the upper door plate is fixed on the fiber melting box through bolts.

3. An optical splitter box according to claim 2, characterized in that: the special-shaped screws are fixed at four corners of the upper door plate, the upper door fixing studs are arranged at opposite positions of the fiber melting box, and the upper door plate is fixed on the fiber melting box through the matching of the special-shaped screws and the upper door fixing studs so as to reduce the opening times of the fiber melting box.

4. An optical splitter box according to claim 1, characterized in that: a lower door plate is arranged on the branch box and covers the branch box; the lower door plate is movably connected to the branch box through a lock, and a sealing strip is arranged at the joint of the lower door plate and the branch box and used for sealing the lower door plate and the branch box.

5. An optical splitter box according to claim 1, characterized in that: and sealing rings are respectively arranged at the joints where the incoming and outgoing optical cables enter the branching box and the fiber melting box, and the joints where the rubber-insulated-wire optical cables enter the branching box and are used for sealing the inlet and the outlet of the optical cables entering and exiting the optical branching box.