High-density optical fiber distribution box

Abstract

The utility model discloses a high-density optical fiber distribution box. According to the utility model, a three-layer supporting plate structure is adopted, each layer of supporting plate is provided with 12 sliding rails, the tail part of each sliding rail is provided with an optical fiber termination box fixing device, and various types of optical fiber termination boxes capable of sliding into 8-core, 12-core, 16-core and 24-core optical fiber connectors, and each type of optical fiber termination box adopts the design of fixed tail part and variable length. The optical fiber distribution box solves the problems that an optical fiber patch cord of an existing optical fiber distribution box is difficult to plug and unplug, a drawer cannot be pulled out after an optical cable connected to the tail of an optical fiber terminating box is bound, and various types of optical fiber terminating boxes cannot be supported at the same time, so that optical fiber construction and maintenance are more convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of optical fiber cable application, specifically is a high density optical fiber distribution box. BACKGROUND

[0002] With the explosive growth of data, people's demand for network speed is higher and higher, and the demand for optical fiber is also larger and larger, and the application of optical fiber distribution box is more and more. The optical fiber distribution box is also changed from low density to high density application.

[0003] Although the high density application of optical fiber distribution box brings more optical fiber link resources under the same space volume, it also brings many problems. There is no gap between two optical fiber ports, and when plugging, the interfaces on both sides of the plugged connector are easily squeezed, touched or shaken, causing link packet loss, disconnection and other problems; the traditional optical fiber distribution box is not flexible to use, and is not friendly to different specifications of optical fiber termination box, and cannot be changed at will; after the optical cable at the tail of the traditional optical fiber distribution box is fixed, the whole tray cannot be pulled out, causing difficulty in front end jumper plug-in. INVENTION CONTENTS

[0004] The utility model aims at: in order to solve the problem proposed above, provide a kind of high density optical fiber distribution box.

[0005] The technical scheme adopted by the utility model is as follows: a kind of high density optical fiber distribution box, 19 inches 1U height can be placed upper layer supporting plate 1, middle layer supporting plate 2 and lower layer supporting plate 3;Upper layer supporting plate 1, middle layer supporting plate 2 and lower layer supporting plate 3 are exactly the same structure, and three layer supporting plate is fixed on the both sides of the side plate of optical fiber distribution box body, play supporting role, simultaneously because not using pull-out mode, there is no side slide rail, can realize the maximum optical fiber termination box installation space of supporting plate;12 slide rails 4 are on each layer supporting plate, and each slide has rail tail fixed ware 6;Upper layer supporting plate 1, middle layer supporting plate 2 and lower layer supporting plate 3 can be slid into 8 core optical fiber termination box 7, 12 core optical fiber termination box 8, 16 core optical fiber termination box 9 and 24 core optical fiber termination box 10 by the slide 5 of the bottom of optical fiber termination box, each kind of optical fiber termination box is fixed on supporting plate by tail fixed ware 6, and 8 core optical fiber termination box 7, 12 core optical fiber termination box 8, 16 core optical fiber termination box 9 and 24 core optical fiber termination box 10 adopt self variable length design.

[0006] In a preferred embodiment, each tray is uniformly distributed with 12 bottom slide rails 4 to support multiple different specifications of fiber termination boxes: 8-core fiber termination boxes 7 occupy two slide rails 4, and are fixed by the fixed clamping position 16 at the tail of the termination box and the tail fixer 6; 12-core fiber termination boxes 8 occupy three slide rails 4, and are fixed by the fixed clamping position 16 at the tail of the termination box and the tail fixer 6; 16-core fiber termination boxes 9 occupy four slide rails 4, and are fixed by the fixed clamping position 16 at the tail of the termination box and the tail fixer 6; 24-core fiber termination boxes 10 occupy six slide rails 4, and are fixed by the fixed clamping position 16 at the tail of the termination box and the tail fixer 6; each layer of tray can slide into 6 8-core fiber termination boxes 7 or 4 12-core fiber termination boxes 8 or 3 16-core fiber termination boxes 9 or 2 24-core fiber termination boxes 10, or can be mixed and matched according to the needs of the four types of fiber termination boxes; the bottom slide 5 replaces the traditional side slide rail support, thereby leaving all the front panel area resources to the fiber single / double core coupler 30 of the fiber termination box, increasing the spacing of the single / double core coupler 30, and avoiding the influence between adjacent fiber ports during operation.

[0007] In a preferred embodiment, the variable-length 8-core fiber termination box 7, 12-core fiber termination box 8, 16-core fiber termination box 9 and 24-core fiber termination box 10 are divided into front and rear parts; the 8-core fiber termination box 7 can be divided into front part 7F and rear part 7B; the 12-core fiber termination box 8 can be divided into front part 8F and rear part 8B; the 16-core fiber termination box 9 can be divided into front part 9F and rear part 9B; the 24-core fiber termination box 10 can be divided into front part 10F and rear part 10B; the front part of the four fiber termination boxes has a single / dual-core coupler 30 and a connecting slide rod 11 for installing a single-core fiber connector, the rear part has a multi-core coupler 31 and a connecting slide groove 12 for installing a multi-core fiber connector, and a slide 5 for sliding into the slide rail 4 of the tray, and is fixed with the tail fixer 6 on the tray through the fixing clamping 16 at the end; the connection mode of the front and rear parts of the four fiber termination boxes is connected through the slide rod 11 and the slide groove 12, and the slide rod 11 is limited by the limiting clamping 13 at the end, the slide groove 12 is limited by the limiting clamping 14 at the front end and the limiting clamping 15 at the rear end; by pulling out the front part of the four fiber termination boxes, the limiting clamping 13 of the slide rod 11 enters the front end limiting clamping 14 of the slide groove 12 to realize the elongation of the whole fiber termination box; by pushing the front part in, the limiting clamping 13 of the slide rod 11 enters the rear end limiting clamping 15 of the slide groove 12 to realize the shortening of the whole fiber termination box; an 8-core fiber connector can be connected into the 8-core fiber termination box 7 to convert into an 8-core fiber cable, a 12-core fiber connector can be connected into the 12-core fiber termination box 8 to convert into a 12-core fiber cable, a 16-core fiber connector can be connected into the 16-core fiber termination box 9 to convert into a 16-core fiber cable or two 8-core fiber connectors to convert into an 8-core fiber cable, and a 24-core fiber connector can be connected into the 24-core fiber termination box 10 to convert into a 24-core fiber cable or two 12-core fiber connectors to convert into a 12-core fiber cable or three 8-core fiber connectors to convert into an 8-core fiber cable, so as to realize the corresponding fiber interface composed of the coupler and the connector and the formation of the fiber channel; when the multi-core connector of the trunk cable is inserted into the multi-core fiber interface at the rear end of the optical termination box, the single / dual-core connector of the device end optical fiber jumper is connected into the single / dual-core fiber interface at the front end of the optical termination box, and when the front-end connected optical fiber jumper needs to be operated, the corresponding optical fiber termination box can be pulled out for corresponding plugging and unplugging operation; after the operation is completed, the optical fiber termination box is pushed in, which does not affect the adjacent optical fiber termination box and the connection of the rear-end trunk fiber.

[0008] In summary, due to the adoption of the above technical scheme, the present application has the following advantages:

[0009] 1. The utility model discloses a 19 inch three-layer supporting plate structure is used to each light line distribution box, and the bottom of each supporting plate adopts 12 slide rails, all panel area resources are left to single / dual core coupler, the spacing between single / dual core couplers is increased, convenient operation is facilitated, and the possibility of misoperation is reduced, and the optical fiber termination box of multiple specifications such as 8 cores, 12 cores, 16 cores and 24 cores can be accessed.

[0010] 2. The utility model discloses a variable length optical fiber termination box, the front and rear two parts of the optical fiber termination box are separated and independently operated, the connection of the main link of the rear part is not affected when the front part is pulled out or pushed in, convenient operation and management are facilitated, and the original fault domain is reduced from all optical fiber interfaces of a layer supporting plate to all optical fiber interfaces on a termination box. DRAWINGS

[0011] Figure 1 It is the assembly drawing of the utility model; Figure 2 Figure 1 It is the plan view of the utility model; Figure 3 It is tray, slide rail and tail part fixer; Figure 4 It is 8 core optical fiber termination box assembly drawing, shortening structure diagram, variable length structure diagram and front and rear part exploded view; Figure 5 It is 12 core optical fiber termination box assembly drawing, shortening structure diagram, variable length structure diagram and front and rear part exploded view; Figure 6 It is 16 core optical fiber termination box assembly drawing, shortening structure diagram, variable length structure diagram and front and rear part exploded view; Figure 7 It is 24 core optical fiber termination box assembly drawing, shortening structure diagram, variable length structure diagram and front and rear part exploded view; Figure 8 It is tail part fixing structure feature drawing

[0012] Mark in drawing: 1-upper layer supporting plate, 2-middle layer supporting plate, 3-lower layer supporting plate, 4-slide rail, 5-slide, 6-tail part fixer, 7-8 core optical fiber termination box, 7F-8 core optical fiber termination box front part, 7B-8 core optical fiber termination box rear part, 8-12 core optical fiber termination box, 8F-12 core optical fiber termination box front part, 8B-12 core optical fiber termination box rear part, 9-16 core optical fiber termination box, 9F-16 core optical fiber termination box front part, 9B-16 core optical fiber termination box rear part, 10-24 core optical fiber termination box, 10F-24 core optical fiber termination box front part, 10B-24 core optical fiber termination box rear part, 11-slide rod, 12-sliding slot, 13-limiting card on slide rod, 14-front limiting card on sliding slot, 15-rear limiting card on sliding slot, 16-fixing card position, 30-single / dual core coupler, 31-multiple core coupler. DETAILED DESCRIPTION

[0013] Reference Figure 1 , Figure 2 , Figure 3 ,​Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 and Figure 8

[0014] Embodiments:

[0015] The utility model adopts the implementation scheme as follows: a high density optical fiber distribution box adopts 19 inches 1U height can place upper layer supporting plate 1, middle layer supporting plate 2 and lower layer supporting plate 3, the structure of upper layer supporting plate 1, middle layer supporting plate 2 and lower layer supporting plate 3 is exactly the same, and three layers of supporting plate are fixed on the both sides of the side plate of optical fiber distribution box body, play the role of support, each layer of supporting plate has 12 slide rails 4, and each slide rail tail part has fixer 6, and the optical fiber termination box is slid into the supporting plate slide rail 4 through the slide 5, and each layer of supporting plate can slide into 6 8 core optical fiber termination boxes 7 or 4 12 core optical fiber termination boxes 8 or 3 16 core optical fiber termination boxes 9 or 2 24 core optical fiber termination boxes 10, and four kinds of optical fiber termination boxes can also be mixed and matched according to the need, and each kind of optical fiber termination box is fixed on the supporting plate through the tail fixer 6.

[0016] In a preferred embodiment, each supporting plate is uniformly distributed with 12 bottom slide rails 4 to support optical fiber termination boxes of various specifications: 8-core optical fiber termination boxes 7 occupy two slide rails 4 and are fixed by the fixing clamping position 16 at the tail of the termination box and the tail fixer 6; 12-core optical fiber termination boxes 8 occupy three slide rails 4 and are fixed by the fixing clamping position 16 at the tail of the termination box and the tail fixer 6; 16-core optical fiber termination boxes 9 occupy four slide rails 4 and are fixed by the fixing clamping position 16 at the tail of the termination box and the tail fixer 6; and 24-core optical fiber termination boxes 10 occupy six slide rails 4 and are fixed by the fixing clamping position 16 at the tail of the termination box and the tail fixer 6.

[0017] In a preferred embodiment, the variable-length 8-core fiber termination box 7, 12-core fiber termination box 8, 16-core fiber termination box 9 and 24-core fiber termination box 10 are divided into front and rear parts; the 8-core fiber termination box 7 can be divided into front part 7F and rear part 7B; the 12-core fiber termination box 8 can be divided into front part 8F and rear part 8B; the 16-core fiber termination box 9 can be divided into front part 9F and rear part 9B; the 24-core fiber termination box 10 can be divided into front part 10F and rear part 10B; the front parts of the four fiber termination boxes have single / dual-core couplers 30 and connecting slides 11 for installing single-core fiber connectors, and the rear parts have multi-core couplers 31 and connecting grooves 12 for installing multi-core fiber connectors, and are fixed with the tail fixer 6 on the support plate through the end fixing clamps 16; the connection mode of the front and rear parts of the four fiber termination boxes is connected through the slides 11 and the grooves 12, and the slides 11 are limited by the limit clamps 13 at the ends, the grooves 12 are limited by the limit clamps 14 at the front ends and the limit clamps 15 at the rear ends; by pulling out the front part of the four fiber termination boxes, the limit clamps 13 of the slides 11 enter the front end limit clamps 14 of the grooves 12 to realize the elongation of the whole fiber termination box; by pushing the front part in, the limit clamps 13 of the slides 11 enter the rear end limit clamps 15 of the grooves 12 to realize the shortening of the whole fiber termination box; one 8-core fiber connector can be connected into the 8-core fiber termination box 7 to convert into an 8-core fiber cable, one 12-core fiber connector can be connected into the 12-core fiber termination box 8 to convert into a 12-core fiber cable, one 16-core fiber connector or two 8-core fiber connectors can be connected into the 16-core fiber termination box 9 to convert into an 8-core fiber cable, and one 24-core fiber connector or two 12-core fiber connectors or three 8-core fiber connectors can be connected into the 24-core fiber termination box 10 to convert into a 12-core fiber cable, so as to realize the formation of corresponding fiber interfaces and fiber channels through the couplers and connectors, the multi-core connector of the backbone cable is conveniently inserted into the multi-core fiber interface at the rear end of the optical terminal box, and the single / dual-core connector of the device end optical fiber jumper is flexibly and conveniently connected into the single / dual-core fiber interface at the front end of the optical terminal box. When the multi-core connector converted single-core connector cable is loaded into the above-mentioned part, the length when the optical terminal box is lengthened should be reserved.

[0018] In summary, due to the adoption of the above technical scheme, the present application has the following advantages:

[0019] 1、In the present application, each light distribution box adopts a 19-inch three-layer support plate structure, and the bottom of each support plate adopts 12 slide rails; all panel area resources are left for fiber ports to increase the spacing between fiber ports; and 8-core, 12-core, 16-core, 24-core and other specifications of fiber termination boxes can be connected.

[0020] 2、The utility model discloses a variable length's optical fiber termination box, two parts of the front end and rear end of optical fiber termination box are separated, when the front part is pulled out or pushed in, the connection of the main link of the rear is not affected, convenient operation and management, and the original fault domain is reduced from all optical fiber interfaces on a layer of supporting plate to all optical fiber interfaces on an optical fiber termination box.

Claims

1. A high-density fiber distribution box, characterized by: The 19-inch 1U height can be placed on the upper layer of the supporting plate (1), the middle layer of the supporting plate (2) and the lower layer of the supporting plate (3); the upper layer of the supporting plate (1), the middle layer of the supporting plate (2) and the lower layer of the supporting plate (3) are completely the same in structure, and the three layers of supporting plates are fixed on the two side plates of the optical fiber distribution box, which plays a supporting role; each layer of supporting plate has 12 slide rails (4), and each slide rail has a tail fixator (6); the upper layer of the supporting plate (1), the middle layer of the supporting plate (2) and the lower layer of the supporting plate (3) can be slid into the 8-core optical fiber termination box (7), the 12-core optical fiber termination box (8), the 16-core optical fiber termination box (9) and the 24-core optical fiber termination box (10) through the slide (5) at the bottom of the optical fiber termination box, each kind of optical fiber termination box is fixed on the supporting plate through the tail fixator (6), and the 8-core optical fiber termination box (7), the 12-core optical fiber termination box (8), the 16-core optical fiber termination box (9) and the 24-core optical fiber termination box (10) adopt the design of variable length.

2. A high-density fiber distribution box as set forth in claim 1, wherein: The upper layer of the supporting plate (1), the middle layer of the supporting plate (2) and the lower layer of the supporting plate (3) are evenly distributed with 12 bottom slide rails (4) to support various specifications of optical fiber termination boxes to be slid in: the 8-core optical fiber termination box (7) occupies two slide rails (4) and is fixed through the fixing clamping (16) at the tail of the termination box and the tail fixator (6) on the supporting plate; the 12-core optical fiber termination box (8) occupies three slide rails (4) and is fixed through the fixing clamping (16) at the tail of the termination box and the tail fixator (6) on the supporting plate; the 16-core optical fiber termination box (9) occupies four slide rails (4) and is fixed through the fixing clamping (16) at the tail of the termination box and the tail fixator (6) on the supporting plate; the 24-core optical fiber termination box (10) occupies six slide rails (4) and is fixed through the fixing clamping (16) at the tail of the termination box and the tail fixator (6) on the supporting plate.

3. A high-density fiber distribution box as set forth in claim 1, wherein: Variable length 8-core fiber termination box (7), 12-core fiber termination box (8), 16-core fiber termination box (9) and 24-core fiber termination box (10) are divided into two parts; 8-core fiber termination box (7) can be divided into front part (7F) and back part (7B); 12-core fiber termination box (8) can be divided into front part (8F) and back part (8B); 16-core fiber termination box (9) can be divided into front part (9F) and back part (9B); 24-core fiber termination box (10) can be divided into front part (10F) and back part (10B); The front part of the four fiber termination boxes has a single / dual-core coupler (30) for installing a single-core fiber connector and a connecting slide rod (11), and the back part has a multi-core coupler (31) for installing a multi-core fiber connector and a connecting slide groove (12), and a slide way (5) for sliding into the slide rail (4) of the tray and being fixed with the tail fixer (6) on the tray through the end fixing clamp (16); The connection mode of the front and back parts of the four fiber termination boxes is connected through the slide rod (11) and the slide groove (12), and the end of the slide rod (11) is limited by the limiting clamp (13), the front end of the slide groove (12) is limited by the limiting clamp (14), and the rear end is limited by the limiting clamp (15); By pulling out the front part of the four fiber termination boxes, the limiting clamp (13) of the slide rod (11) enters the front end limiting clamp (14) of the slide groove (12) to realize the elongation of the whole fiber termination box; By pushing the front part, the limiting clamp (13) of the slide rod (11) enters the rear end limiting clamp (15) of the slide groove (12) to realize the shortening of the whole fiber termination box.

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