CN210514727U

CN210514727U - Optical cable joint box

Info

Publication number: CN210514727U
Application number: CN201921351119.8U
Authority: CN
Inventors: 梁浩炘; 梁远林
Original assignee: Guangdong Yonghua Communication Technology Co ltd
Current assignee: Guangdong Yonghua Communication Technology Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-05-12
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses an optical cable joint box, which comprises an upper box body and a lower box body, wherein the upper box body and the lower box body are mutually connected to form a shell, the left side surface and the right side surface of the shell are respectively provided with at least two optical cable holes with different diameters, an adjustable pressing piece and an adjustable fixing piece are arranged in the lower box body, and the optical cable holes, the adjustable pressing pieces and the adjustable fixing pieces are arranged in a one-to-one correspondence manner from outside to inside; the lower box body is also internally provided with a plurality of fiber melting discs which are stacked mutually, the left side surface and the right side surface of each fiber melting disc are respectively provided with two optical fiber inlets, the inner bottom surface of each fiber melting disc is provided with a plurality of fiber welding grooves which are arranged in a front-back manner, and each fiber melting disc is internally provided with a plurality of fiber coiling buckles. The utility model discloses can the optical cable of two kinds of different specifications at least of adaptation, because it detains to melt to be equipped with a plurality of dish fibre in the fine dish, and lengthy optic fibre can coil the dish is fine to be detained, and this integrality that has not only ensured optic fibre still is favorable to subsequent maintenance or maintenance.

Description

Optical cable joint box

Technical Field

The utility model relates to a communication optical cable connection accessory field, in particular to optical cable joint box.

Background

With the continuous development of optical communication technology, the application of optical signal transmission in networks is more and more extensive. Optical signal transmission has many advantages: wide frequency band, strong anti-interference capability, high fidelity and reliable working performance. The optical cable splice closure is an indispensable important component in an optical communication line, and plays a crucial role in protecting an optical fiber connection of an optical cable and transmitting communication of the optical cable line.

The optical cable joint box is generally divided into a horizontal type and a vertical type, the horizontal type optical cable joint box generally comprises an upper box body and a lower box body, and a fiber melting disc for connecting optical cables is arranged in the box body, but the existing horizontal type optical cable joint box has the following defects: 1. because the sealing performance of the horizontal optical cable joint boxes needs to be ensured, the horizontal optical cable joint boxes with different specifications can only be adapted to optical cables with one specification; 2. when the length of the fused optical fiber is longer, the optical fiber needs to be cut, so that the integrity of the optical fiber cannot be guaranteed; alternatively, even if the integrity of the optical fiber is ensured, the lengthy optical fiber may be disorganized within the fiber melting tray, affecting subsequent maintenance or repair.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: there is provided an optical cable closure capable of solving the above-mentioned problems.

The utility model provides a solution of its technical problem is:

an optical cable joint box comprises an upper box body and a lower box body, wherein the upper box body and the lower box body are connected with each other to form a shell, and a sealing rubber ring is arranged between the upper box body and the lower box body; the left side surface and the right side surface of the shell are respectively provided with at least two optical cable holes with different diameters, an adjustable pressing piece for pressing the optical cable and an adjustable fixing piece for fixing the copper core of the optical cable are arranged in the lower box body, and the optical cable holes, the adjustable pressing pieces and the adjustable fixing pieces are arranged in a one-to-one correspondence manner from outside to inside; the lower box body is internally provided with a plurality of fiber melting discs which are stacked mutually, the fiber melting discs are all located at the middle position of the lower box body, the left side surface and the right side surface of each fiber melting disc are respectively provided with two optical fiber inlets, the inner bottom surface of each fiber melting disc is respectively provided with a plurality of fiber melting grooves which are arranged in the front and back direction, each fiber melting disc is internally provided with a plurality of fiber coiling buckles, and the fiber coiling buckles are all located at the periphery of the fiber melting grooves.

Furthermore, the optical cable joint box also comprises a base, wherein the adjustable pressing piece, the adjustable fixing piece and the fiber melting disc are all arranged on the base, and the base is arranged on the inner bottom surface of the lower box body.

Further, the rear side surfaces of the two fiber melting disks which are adjacent up and down are rotatably connected, and the front side surfaces of the two fiber melting disks which are adjacent up and down are buckled and connected.

In addition, the rear side surface of the fiber melting disc positioned on the uppermost layer is hinged with a cover plate, and the cover plate is buckled on the front side surface of the fiber melting disc.

In addition, the cover plate and the fiber melting discs are stacked to form a fiber melting box, and a rubber band is hooped on the outer side face of the fiber melting box.

Furthermore, each inner bottom surface of each fiber melting disc is provided with a dust removal hole, and the dust removal holes are located right below the plurality of optical fiber welding grooves.

Furthermore, three optical cable holes with different diameters are formed in the left side surface and the right side surface of the shell.

The utility model has the advantages that: because the left side surface and the right side surface of the shell are respectively provided with at least two optical cable holes with different diameters, the utility model can be adapted to at least two optical cables with different specifications; meanwhile, as the fiber melting disc is internally provided with the plurality of fiber coiling buckles, the redundant optical fibers can be coiled on the fiber coiling buckles, so that the optical fibers in the fiber melting disc are well arranged, the integrity of the optical fibers is guaranteed, and the subsequent maintenance or repair is facilitated. The utility model is used for the connection of optical cable.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic perspective view of a fiber melting disc according to the present invention;

fig. 3 is a top view of the fiber melting disc of the present invention.

In the drawings: 100-upper box body, 200-lower box body, 101-mounting hole, 10-shell, 210-lower cable hole, 110-upper cable hole, 300-adjustable pressing piece, 400-adjustable fixing piece, 310-lower pressing piece, 320-upper pressing piece, 330-pressing hole, 410-fixing column, 420-locking bolt, 430-copper core through hole, 500-fiber melting disc, 510-clamping piece, 520-fastening piece, 530-cover plate, 50-fiber melting box, 540-optical fiber inlet, 550-optical fiber welding groove, 560-disc fiber buckle, 600-base, 700-rubber band and 570-dust removing hole.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other. Finally, it should be noted that the terms "center, upper, lower, left, right, vertical, horizontal, inner, outer" and the like are used herein to indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms first, second and third as used herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Fig. 1 to 3 illustrate an embodiment of an optical cable junction box according to the present invention, which includes an upper box 100 and a lower box 200, wherein the upper box 100 and the lower box 200 are respectively provided with a plurality of corresponding mounting holes 101, and the upper box 100 and the lower box 200 are connected to each other by bolts and nuts to form a housing 10; because the utility model discloses need carry out dampproofing protection to optic fibre, consequently go up box body 100 with be equipped with the rubber seal (not shown in the drawing) down between the box body 200, go up box body 100 with box body 200 passes through down the rubber seal seals. All be equipped with the cable hole of two at least different diameters on the side about shell 10, the cable hole is formed by lower cable hole 210 of box body 200 and the cable hole 110 of going up of box body 100 jointly, though in fig. 1 all be equipped with the cable hole of three different diameters on the side about shell 10, the drawing only shows the utility model provides a preferred scheme, the user still can select according to actual demand the quantity of cable hole. The lower box body 200 is internally provided with an adjustable pressing piece 300 for pressing the optical cable and an adjustable fixing piece 400 for fixing the copper core of the optical cable, and the optical cable hole, the adjustable pressing piece 300 and the adjustable fixing piece 400 are arranged in a one-to-one correspondence manner from outside to inside; the adjustable pressing member 300 comprises a lower pressing block 310 and an upper pressing block 320, the upper pressing block 320 is adjustably connected to the lower pressing block 310, and a pressing hole 330 with adjustable size is formed between the upper pressing block 320 and the lower pressing block 310; the adjustable fixing member 400 includes a fixing column 410 and a locking bolt 420, a copper core through hole 430 is formed in a side surface of the fixing column 410, a threaded hole penetrating through the copper core through hole 430 is formed in a top surface of the fixing column 410, and the locking bolt 420 is in threaded connection with the threaded hole, so that the size of the copper core through hole 430 is adjustable. When the optical cable needs to be fixed, the optical cable firstly passes through the lower cable hole 210 and the pressing hole 330 in sequence, then the outer skin of the optical cable is peeled off to expose the optical fiber and the optical cable copper core, the length of the optical cable copper core is cut off, the optical cable copper core passes through the copper core through hole 430, then the locking bolt 420 is used for fixing the position of the optical cable copper core, and finally the size of the pressing hole 330 is adjusted to enable the upper pressing block 320 to press the optical cable, so that the optical cable is fixed in the lower box body 200.

A plurality of fiber melting discs 500 which are stacked mutually are further arranged in the lower box body 200, the plurality of fiber melting discs 500 are all positioned in the middle of the lower box body 200, a rotating shaft is arranged at the lower part of the rear side of each fiber melting disc 500, and a rotating hole matched with the rotating shaft is formed in the upper part of the rear side of each fiber melting disc 500, so that the rear sides of two adjacent fiber melting discs 500 are rotatably connected through the rotating shaft and the rotating hole; the upper part of the front side of each fiber melting disc 500 is provided with a clamping piece 510, and the lower part of the front side of each fiber melting disc 500 is provided with a fastener 520 matched with the clamping piece 510 for use, so that the front sides of two vertically adjacent fiber melting discs 500 are buckled and connected through the clamping pieces 510 and the fasteners 520. Similarly, the rear side of the fiber melting disc 500 at the uppermost layer is hinged with a cover plate 530, the cover plate 530 is fastened on the front side of the fiber melting disc 500, and the cover plate 530 and a plurality of fiber melting discs 500 are stacked to form the fiber melting box 50. The left side and the right side of each fiber melting disc 500 are respectively provided with two fiber inlets 540, and the inner bottom surface of each fiber melting disc 500 is respectively provided with a plurality of fiber welding grooves 550 which are arranged in a front-back manner; the optical fibers on the left and right sides pass through the optical fiber inlets 540 and are fusion-spliced in the fiber fusion tray 500, and optical fiber fusion-splicing tubes are coated outside the fusion-spliced optical fibers and used for protecting fusion-spliced parts of the optical fibers, and the optical fiber fusion-splicing tubes are placed in the optical fiber fusion-splicing grooves 550. In order to arrange the redundant optical fibers, a plurality of fiber coiling buckles 560 are arranged in each fiber melting plate 500, the plurality of fiber coiling buckles 560 are arranged on the periphery of the optical fiber welding groove 550, and the redundant optical fibers can be coiled on the fiber coiling buckles 560, so that the integrity of the optical fibers is guaranteed, and the subsequent maintenance or repair is facilitated.

In other embodiments, because the utility model discloses built-in have a plurality of fused fiber dish 500, for the convenience of customers to the optic fibre butt fusion, it is better movable the placing to fuse fiber dish 500 in box body 200 down. The utility model discloses still include base 600, adjustable pressing member 300, adjustable mounting 400 and melt fine dish 500 and all install on base 600, base 600 places on the interior bottom surface of box body 200 down. Before preparing for welding, the user may take out the base 600 from the lower case 200, and after completing welding, the user may put the base 600 back into the lower case 200.

In other embodiments, as shown in fig. 1, in order to prevent the fiber melting box 50 from being opened accidentally, a rubber band 700 is provided on the outer side of the fiber melting box 50, and the user needs to take out the rubber band 700 first to open the fiber melting box 50.

As shown in fig. 3, in other embodiments, a dust removal hole 570 is formed in the inner bottom surface of each fiber melting tray 500, and the dust removal hole 570 is located right below the fiber welding grooves 550, so that a user can remove dust from all the fiber melting trays 500 by blowing air through the dust removal holes 570 to the fiber melting trays 500 at the lowest layer or the highest layer.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims

1. The utility model provides an optical cable joint box, includes box body (100) and box body (200) down, go up box body (100) with box body (200) interconnect forms shell (10) down, go up box body (100) with be equipped with sealed rubber ring, its characterized in that down between box body (200): the left side surface and the right side surface of the shell (10) are respectively provided with at least two optical cable holes with different diameters, an adjustable pressing piece (300) for pressing an optical cable and an adjustable fixing piece (400) for fixing an optical cable copper core are arranged in the lower box body (200), and the optical cable holes, the adjustable pressing piece (300) and the adjustable fixing piece (400) are arranged in a one-to-one correspondence manner from outside to inside; still be equipped with a plurality of fused fiber dish (500) that pile up each other in lower box body (200), it is a plurality of fuse fiber dish (500) all are located on the intermediate position of lower box body (200), every all be equipped with two optic fibre entry (540) on the side about fuse fiber dish (500), every fuse a plurality of optic fibre welding groove (550) of tandem all be equipped with on the interior bottom surface of fiber dish (500), every fuse and all be equipped with a plurality of fine knots of dish (560) in fiber dish (500), it is a plurality of fine knot of dish (560) all are located the periphery of optic fibre welding groove (550).

2. A cable closure according to claim 1, wherein: the fiber melting device is characterized by further comprising a base (600), the adjustable pressing piece (300), the adjustable fixing piece (400) and the fiber melting disc (500) are all installed on the base (600), and the base (600) is placed on the inner bottom face of the lower box body (200).

3. A cable closure according to claim 1, wherein: the rear side surfaces of the two fiber melting discs (500) which are adjacent up and down are rotatably connected, and the front side surfaces of the two fiber melting discs (500) which are adjacent up and down are buckled and connected.

4. A cable closure according to claim 3, wherein: the rear side of the melting fiber disc (500) positioned at the uppermost layer is hinged with a cover plate (530), and the cover plate (530) is buckled on the front side of the melting fiber disc (500).

5. A cable closure according to claim 4, wherein: the cover plate (530) and the fiber melting discs (500) are stacked to form a fiber melting box (50), and a rubber band (700) is hooped on the outer side face of the fiber melting box (50).

6. A cable closure according to claim 1, wherein: and a dust removal hole (570) is formed in the inner bottom surface of each fiber melting disc (500), and the dust removal holes (570) are located right below the plurality of fiber welding grooves (550).

7. A cable closure according to claim 1, wherein: the left side surface and the right side surface of the shell (10) are respectively provided with three optical cable holes with different diameters.