CN220399694U

CN220399694U - Joint box with pre-connection structure

Info

Publication number: CN220399694U
Application number: CN202321462858.0U
Authority: CN
Inventors: 曾小龙; 刘凯; 胡岩松; 周善贵
Original assignee: Shanghai Grandway Telecom Tech Co ltd
Current assignee: Shanghai Grandway Telecom Tech Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-01-26
Anticipated expiration: 2033-06-09

Abstract

The utility model relates to a connector box with a pre-connection structure, which comprises a welding part and a light splitting part, wherein the welding part is connected with the light splitting part, the welding part comprises a first box body and a fiber melting disc, and the light splitting part comprises a second box body, a branching device and an adapter; the first box body is connected with the second box body, the fiber melting disc is located inside the first box body, the branching unit is located inside the second box body, adapter mounting holes are formed in two ends of the second box body, the adapters are fixed in the adapter mounting holes, the fiber outlet end in the fiber melting disc is connected with the branching unit, and the fiber outlet end in the branching unit is connected with the adapters. Compared with the prior art, the utility model has the advantages of large capacity, small volume, convenient installation and the like.

Description

Joint box with pre-connection structure

Technical Field

The utility model relates to the field of optical fiber connector boxes, in particular to a connector box with a pre-connection structure.

Background

The optical fiber junction box is a junction box with a user-connected inlet port of an optical fiber communication line or a transit junction box which is divided into multiple paths in the middle, and is used for the optical fiber communication line.

The existing optical cable connector box adopts a horizontal or cap-shaped structure, the cable inlet and outlet sealing mode generally adopts a heat shrinkage type sealing or mechanical sealing mode, is used for protective connection and optical fiber distribution between two or more optical cables, mainly completes the connection effect of a distribution optical cable and an indoor cable outdoors, and can be provided with a box type or simple optical divider according to the FTTX access requirement.

Most of the existing optical cable junction boxes have the following problems:

1. most of the existing optical cable splice boxes only can weld optical cables, only have a single splicing function, and cannot be provided with an optical splitter to split the welded optical fibers; the existing few optical cable splice boxes capable of being provided with optical splitters are more disordered in layout under most conditions, a fusion area and a light splitting area are mixed together, and an optical cable cannot be effectively protected during construction

2. Most of the existing optical cable connector boxes cannot be provided with a pre-connection adapter, cannot be provided with tail and jump fiber of a pre-formed end, and are required to be subjected to on-site processing during construction and to be opened;

3. most existing cable splice cassettes cannot fusion splice 144-core fibers while being compatible with pre-connectorized adapters in existing dimensional conditions;

4. the waterproof grade of the optical cable joint box with the similar structure can not achieve IPX8.

Disclosure of Invention

The utility model aims to overcome the defects that most optical cable joint boxes cannot be provided with a pre-connection adapter and cannot be provided with a tail or a jump fiber of a pre-formed end in the prior art, joints are required to be processed on site during construction, and a box cover is required to be opened for operation.

The aim of the utility model can be achieved by the following technical scheme:

the connector box with the pre-connection structure comprises a welding component and a light splitting component, wherein the welding component is connected with the light splitting component, the welding component comprises a first box body and a fiber melting disc, and the light splitting component comprises a second box body, a branching device and an adapter;

the first box body is connected with the second box body, the fiber melting disc is located inside the first box body, the branching unit is located inside the second box body, adapter mounting holes are formed in two ends of the second box body, the adapters are fixed in the adapter mounting holes, the fiber outlet end in the fiber melting disc is connected with the branching unit, and the fiber outlet end in the branching unit is connected with the adapters.

Preferably, a plurality of adapter mounting holes are formed in two ends of the second box body, the adapter mounting holes are arranged in a rectangular array, the number of the adapters is multiple, and each adapter is fixed in each adapter mounting hole.

Preferably, the connector box further comprises an optical cable sealing member, a through hole is formed in the lower end of the optical cable sealing member, the through hole is matched with the optical cable in shape, first grooves corresponding to the optical cable sealing member in shape are formed in the two ends of the first box body, and the optical cable sealing member is fixed in the first grooves.

Preferably, a fixing step is arranged at the upper end of the optical cable sealing element, a sealing element fixing element is arranged on the fixing step, and the sealing element fixing element is clung to the upper surface of the fixing step and is connected with the first box body.

Preferably, the first box body is internally provided with a cable feeding fixing piece, the cable feeding fixing piece is fixed in the first box body, and the cable feeding fixing piece and the through hole at the lower end of the optical cable sealing piece are positioned on the same axis.

Preferably, the first box body is inside to still be equipped with a plurality of magic ribbon and wire loop, magic ribbon and wire loop are all fixed perpendicularly inside first box body, and each magic ribbon be annular array and distribute in first box body.

Preferably, the splice case further includes a fiber fuse tray mount rotatably coupled to one side of the first case, and the fiber fuse tray is fixed to the fiber fuse tray mount.

Preferably, the first box body is rotatably connected with the second box body, the first box body is provided with a buckle plate and a spring steel wire, one end of the spring steel wire is rotatably connected with the first box body, the other end of the spring steel wire is connected with the buckle plate, and the second box body is provided with a connecting step corresponding to the buckle plate.

Preferably, a fiber blocking plate is arranged in the second box body, the fiber blocking plate is in a step configuration, one end of the fiber blocking plate is connected with the branching unit, the other end of the fiber blocking plate is connected with the second box body, and the fiber inlet end of the adapter is positioned at the inner side of the fiber blocking plate.

Preferably, sealing strips and cover fastening screws are arranged between the first box body and the second box body, corresponding threaded holes are formed in two sides of the first box body and the second box body, the cover fastening screws are connected with the first box body and the second box body through the threaded holes, and corresponding hanging lock holes are formed in one sides of the first box body and one side of the second box body.

Compared with the prior art, the utility model has the following advantages:

(1) This scheme is through separately arranging optical cable fusion splice part and beam split part, with fusion zone and beam split zone set up respectively at the box bottom and the lid position of terminal box, whole overall arrangement is clear reasonable, when construction installation or maintenance, can protect the optical cable better, the second box body that beam split part set up simultaneously is provided with a plurality of adapters in the both sides of lid promptly to connect the branching unit in the second box body with the adapter, make can install preformed end tail fiber and jump fine, avoid opening the wiring and operating at the job site, improved the installation effectiveness and the security of optical cable terminal box.

(2) This scheme has set up wire loop and magic ribbon in the first box of welding parts and has fixed the trunk optical cable, when making things convenient for the optical cable to arrange and arrange in order, has guaranteed that the optical cable is arranged neatly, compares in the fixed optical cable of current wire loop's mode, fixes through the magic ribbon, and is less to the damage of optical cable.

(3) The fiber melting disc in the welding part is fixed on the fiber melting disc mounting piece, the fiber melting disc mounting piece is rotatably fixed on the first box body, and when the optical cable construction and the installation of the lower layer of the first box body are carried out, the fiber melting disc can be moved to a position which does not affect the installation only by rotating the fiber melting disc mounting piece, so that the operation is more convenient, the fiber melting disc is prevented from being moved out of the junction box, and the safety of the fiber melting disc is ensured.

(4) This scheme is through setting up the sealing strip between first box body and second box body to seal between first box body and the second box body, connect first box body and second box body through buckle and stiff spring, and set up the lid fastening screw in its both sides, further guarantee the leakproofness of terminal box. Meanwhile, the optical cable is connected with the box body through the optical cable sealing piece, and the optical cable sealing piece is connected with the first box body through the sealing piece fixing piece, so that the waterproof grade of the connector box can reach IPX8.

Drawings

Fig. 1 is a schematic view of the structure of the junction box according to the first view of the inside of the junction box;

FIG. 2 is a schematic view of the structure of the junction box according to the present utility model at a second view;

FIG. 3 is a schematic view of the external structure of the junction box according to the present utility model;

in the figure: 1. the cable guide comprises a first box body, 2, a second box body, 3, a magic ribbon, 4, a wire loop, 5, a cable feeding fixing piece, 6, a buckle plate, 7, a spring steel wire, 8, a sealing piece fixing piece, 9, an optical cable sealing piece, 10, a fiber melting disc, 11, a fiber melting disc mounting piece, 12, a cover fastening screw, 13, a sealing strip, 14, an adapter, 15, a fiber blocking plate, 16, a branching unit, 17 and a hanging lock hole.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Example 1

The present embodiment provides a splice case with a pre-connection structure, as shown in fig. 1-3, including a fusion splice component and a splitter component, the fusion splice component being connected to the splitter component, the fusion splice component including a first case 1 and a fiber tray 10, the splitter component including a second case 2, a splitter 16, and an adapter 14;

the first box body 1 is connected with the second box body 2, the fiber melting disc 10 is positioned in the first box body 1, the splitter 16 is positioned in the second box body 2, adapter mounting holes are formed in two ends of the second box body 2, the adapters 14 are fixed in the adapter mounting holes, the fiber outlet ends in the fiber melting disc 10 are connected with the splitter 16, and the fiber outlet ends in the splitter 16 are connected with the adapters 14.

Through separately arranging optical cable fusion splice part and beam split part, set up the box bottom and the lid position at the terminal box respectively with fusion area and beam split area, whole overall arrangement is clear reasonable, when construction installation or maintenance, can protect the optical cable better, the second box body that beam split part set up simultaneously is provided with a plurality of adapters that is the both sides of lid to connect the branching unit in the second box body with the adapter, make can install preformed terminal tail fiber and jump fine, avoid opening the wiring and operate at the job site, improved the installation effectiveness and the security of optical cable terminal box.

Specifically, a plurality of adapter mounting holes are formed in two ends of the second box body 2, the adapter mounting holes are arranged in a rectangular array, the number of the adapters is multiple, and each adapter is fixed in each adapter mounting hole.

As a preferred embodiment, the connector box further comprises an optical cable sealing member 9, a through hole is arranged at the lower end of the optical cable sealing member 9, the through hole is matched with the shape of an optical cable, first grooves corresponding to the shape of the optical cable sealing member 9 are arranged at two ends of the first box body 1, and the optical cable sealing member 9 is fixed in the first grooves.

The upper end of the optical cable sealing element 9 is provided with a fixing step, the fixing step is provided with a sealing element fixing element 8, and the sealing element fixing element 8 is clung to the upper surface of the fixing step and is connected with the first box body 1.

The inside cable mounting 5 that still is equipped with of first box body 1, cable mounting 5 are fixed in first box body 1, and cable mounting 5 and the through-hole of optical cable sealing member 9 lower extreme are located same axis.

As a preferred embodiment, the first box 1 is further provided with a plurality of magic tapes 3 and wire loops 4, the magic tapes 3 and the wire loops 4 are vertically fixed inside the first box 1, and the magic tapes 3 are distributed in the first box 1 in a ring array.

The wire loop and the magic ribbon are arranged in the first box body of the welding part to fix the main optical cable, so that the optical cable is arranged and tidied conveniently, and the optical cable is arranged neatly.

As a preferred embodiment, the splice case further includes a fiber fuse tray mounting member 11, and the fiber fuse tray mounting member 11 is rotatably coupled to one side of the first case body 1, and the fiber fuse tray 10 is fixed to the fiber fuse tray mounting member 11.

The fiber melting plate in the welding component is fixed on the fiber melting plate mounting piece, the fiber melting plate mounting piece is rotatably fixed on the first box body, and when the optical cable of the lower layer of the first box body is constructed and mounted, the fiber melting plate can be moved to a position which does not affect the mounting by rotating the fiber melting plate mounting piece, so that the operation is more convenient, the fiber melting plate is prevented from being moved out of the junction box, and the safety of the fiber melting plate is ensured.

As a preferred embodiment, the first box body 1 is rotatably connected with the second box body 2, the first box body 1 is provided with a buckle plate 6 and a spring steel wire 7, one end of the spring steel wire 7 is rotatably connected with the first box body 1, the other end of the spring steel wire 7 is connected with the buckle plate 6, and the second box body 2 is provided with a connecting step corresponding to the buckle plate.

Specifically, a fiber baffle plate 15 is arranged in the second box body 2, the fiber baffle plate 15 is in a step configuration, one end of the fiber baffle plate 15 is connected with a splitter 16, the other end of the fiber baffle plate is connected with the second box body, and the fiber inlet end of the adapter 14 is positioned at the inner side of the fiber baffle plate 15. Sealing strips 13 and cover fastening screws 12 are arranged between the first box body 1 and the second box body 2, corresponding threaded holes are formed in two sides of the first box body 1 and the second box body 2, the cover fastening screws 12 are connected with the first box body 1 and the second box body 2 through the threaded holes, and corresponding padlock holes 17 are formed in one sides of the first box body 1 and the second box body 2.

In combination with the above preferred embodiments, the present embodiment provides a preferred embodiment, and in particular:

an optical cable junction box is composed by the following structure, comprising: the cable guide device comprises a first box body 1, a second box body 2, a magic ribbon 3, a wire loop 4, a cable feeding fixing piece 5, a buckle plate 6, a spring, 7, a sealing piece fixing piece 8, an optical cable sealing piece 9, a 24-core fiber melting disc 10, a fiber melting disc cover plate, a fiber melting disc mounting piece 11, a cover fastening screw 12, a sealing strip 13, an adapter 14, a branching device disc cover plate, a branching device disc, a fiber blocking plate 15, a trunk optical cable, a single-core welding protective sleeve, a branching device 16 and a padlock hole 17.

In this embodiment, the fiber melting disc 10 is a 24-core fiber melting disc, the splitter 16 is a micro splitter, the sealing strip 13 and the optical cable sealing member 9 are made of rubber materials, and the adapter 15 is a waterproof adapter.

In a specific connection mode, an optical cable sealing element 9 is fixed on the first box body 1 through a sealing fixing element 8, a main optical cable is fixed on an optical cable fixing element 5 after passing through the optical cable sealing element 9, and then the main optical cable 9 is peeled off to remove protective elements such as an optical cable outer sheath, an armor layer and the like; the stripped main optical cable 9 is coiled in the magic ribbon 3 of the first box body 1, then passes through the wire loop 4 and enters the 24-core fiber melting disc 10, the 24-core fiber melting disc 10 is welded with the optical fibers at the wire inlet end of the micro splitter and is protected by a single-core welding protection sleeve, the 24-core fiber melting disc 10 is arranged on the fiber melting disc mounting piece 11, and the fiber melting disc mounting piece 11 is arranged on the first box body 1 and can be turned by 0-90 degrees.

Further, the branching unit includes branching unit dish and branching unit dish apron, and branching unit apron adopts transparent material, branching unit dish installs on second box body 2, miniature branching unit 16 installs in branching unit dish, miniature branching unit inlet wire end optic fibre welds with the trunk optical cable in 24 core melt fiber dish 10, miniature branching unit outlet wire end optic fibre is connected with waterproof adapter 15 again, 8 waterproof adapters 15 all can be installed to second box body 2 left and right sides, branching unit dish apron installs and is used for protecting miniature branching unit 16 in branching unit dish top, fender fiber plate 15 installs in waterproof adapter 15 top user protection miniature branching unit outlet wire end connector and miniature branching unit outlet wire end optic fibre. The waterproof adapters 15 are installed on two sides of the second box body 2, and when the home-entry optical cable is constructed, the user does not need to open the box cover, and the pre-connection tail and the fiber-jumping connection home-entry optical cable can be directly used.

Specifically, the first box body 1 and the second box body 2 are fastened through the pinch plate 6 and the spring steel wire 7, and the two sides of the second box body 2 are respectively provided with the cover fastening screw 12, in addition, a reserved hanging lock hole 17 structure is additionally arranged between the first box body 1 and the second box body 2, the first box body 1 and the second box body 2 are sealed through the sealing strip 13, and the waterproof grade can reach IPX8.

And the maximum outer diameter (mm) of the connector box can reach 260 x 203 x 136, 6 24-core fiber melting discs 10 can be installed in the connector box at maximum, 144-core welding is supported at maximum, the capacity is large, the volume is small, and the cost performance is high.

The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims

1. The splice box with the pre-connection structure is characterized by comprising a welding component and a light splitting component, wherein the welding component is connected with the light splitting component, the welding component comprises a first box body (1) and a fiber melting disc (10), and the light splitting component comprises a second box body (2), a branching device (16) and an adapter (14);

the first box body (1) is connected with the second box body (2), the fiber melting disc (10) is located inside the first box body (1), the branching unit (16) is located inside the second box body (2), adapter mounting holes are formed in two ends of the second box body (2), the adapter (14) is fixed in the adapter mounting holes, the fiber outlet end in the fiber melting disc (10) is connected with the branching unit (16), and the fiber outlet end in the branching unit (16) is connected with the adapter (14).

2. The connector box with the pre-connection structure according to claim 1, wherein a plurality of adapter mounting holes are formed in two ends of the second box body (2), the adapter mounting holes are arranged in a rectangular array, the number of the adapters is multiple, and each adapter is fixed in each adapter mounting hole.

3. The connector box with the pre-connection structure according to claim 1, further comprising a cable sealing member (9), wherein a through hole is formed in the lower end of the cable sealing member (9), the through hole is matched with the shape of the cable, first grooves corresponding to the shape of the cable sealing member (9) are formed in the two ends of the first box body (1), and the cable sealing member (9) is fixed in the first grooves.

4. A closure with pre-connection according to claim 3, characterized in that the upper end of the cable seal (9) is provided with a fixing step, the fixing step is provided with a seal fixing member (8), and the seal fixing member (8) is tightly attached to the upper surface of the fixing step and is connected with the first closure body (1).

5. A connector box with a pre-connection structure according to claim 3, characterized in that the first box body (1) is further provided with a cable feeding fixing member (5), the cable feeding fixing member (5) is fixed in the first box body (1), and the cable feeding fixing member (5) and the through hole at the lower end of the optical cable sealing member (9) are located on the same axis.

6. The connector box with the pre-connection structure according to claim 1, wherein a plurality of magic tapes (3) and wire loops (4) are further arranged inside the first box body (1), the magic tapes (3) and the wire loops (4) are vertically fixed inside the first box body (1), and the magic tapes (3) are distributed in the first box body (1) in a ring array.

7. A splice enclosure with a pre-attachment arrangement as claimed in claim 1, further comprising a splice tray mounting member (11), the splice tray mounting member (11) being rotatably connected to one side of the first enclosure body (1), the splice tray (10) being secured to the splice tray mounting member (11).

8. The connector box with the pre-connection structure according to claim 1, wherein the first box body (1) is rotatably connected with the second box body (2), a buckle plate (6) and a spring steel wire (7) are arranged on the first box body (1), one end of the spring steel wire (7) is rotatably connected with the first box body (1), the other end of the spring steel wire is connected with the buckle plate (6), and a connection step corresponding to the buckle plate is arranged on the second box body (2).

9. The connector box with the pre-connection structure according to claim 1, wherein a fiber blocking plate (15) is arranged in the second box body (2), the fiber blocking plate (15) is in a step configuration, one end of the fiber blocking plate (15) is connected with a splitter (16), the other end of the fiber blocking plate is connected with the second box body, and an optical fiber inlet end of the adapter (14) is located inside the fiber blocking plate (15).

10. The connector box with the pre-connection structure according to claim 1, characterized in that a sealing strip (13) and a cover fastening screw (12) are arranged between the first box body (1) and the second box body (2), corresponding threaded holes are formed in two sides of the first box body (1) and the second box body (2), the cover fastening screw (12) is connected with the first box body (1) and the second box body (2) through the threaded holes, and corresponding padlock holes (17) are formed in one sides of the first box body (1) and the second box body (2).