CN2580457Y

CN2580457Y - Optic fibre management cabinet

Info

Publication number: CN2580457Y
Application number: CN 02288036
Authority: CN
Inventors: 任少勇; 丁晓红; 何德金
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2002-11-14
Filing date: 2002-11-14
Publication date: 2003-10-15
Anticipated expiration: 2012-11-14

Abstract

The utility model relates to an optic fiber management cabinet. A plurality of optic fiber terminal devices used for connecting optic fiber are arranged in the inner part of a cabinet body, wherein, the plurality of optic fiber terminal devices are arranged at one side of the inner part of the cabinet body from top to bottom in turn, and the upper part of the utmost upper optic fiber terminal device is provided with fiber coiling device at equipment side for coiling the residual fiber led from the equipment side. The other side of the inner part of the cabinet body is provided with a plurality of fiber coiling device at a wire feeding side for coiling the residual fiber led from the wire feeding side from top to bottom in turn. A front door board in the utility model can be designed into a detachable structure, a left and a right side boards are designed into structures which can be inserted in or pulled out along the tracks of the side boards, and the front panels of the optic fiber terminal devices can be designed in to rotary structures. The capacity of the optic fiber management cabinet for storing the residual fiber is increased under the condition of the same external dimension via the structures, the bending radius of the fiber can be more than 37.5 mm, and the operation of distributing wires can be convenient.

Description

The fiber management cabinet

Technical field

The utility model relates to the communication facilities plant equipment, more particularly, relates to a kind of fiber management cabinet.

Background technology

Along with the continuous development of the communication technology, network data, voice and graphic service are also growing, thereby telecom operators are also constantly increased for the demand of transmission bandwidth.DWDM (dense wavelength division multiplexing system) equipment can maximally utilise wavelength and fiber resource, satisfying the bandwidth demand of operator, and reduces investment outlay for operator.In DWDM equipment, have highdensity fibre junction usually, and need store the optical patchcord more than needed of enormous amount.

Be illustrated in figure 1 as a kind of fiber management cabinet of the prior art, mainly there is following defective in this fiber management cabinet:

(1), the capacity that stores optical patchcord more than needed is little, in 2200 * 600 * 300mm range of size, maximum optical patchcord more than needed stores capacity and has only 1000 meters;

(2), the adapter installing space is limited, the plug of light wire jumper is carried out in operation when full configuration is put, and is very inconvenient;

(3), fiber reel is around pushing light wire jumper tail end more for a long time, the reliability of influence transmission.

(4), fiber reel around the time because improper around the layout of fine post, the coiling of the optical fiber that seems is very in disorder.

The utility model content

The utility model provides a kind of fiber management cabinet, and optical fiber more than needed stores the too small defective of capacity in the existing fiber management frame to solve, and making in the cabinet body structure of identical size to provide bigger optical fiber more than needed to store capacity, thereby makes operation more convenient.

The technical scheme that its technical matters that solves the utility model adopts is: a kind of fiber management cabinet, its cabinet is by framework, left and right pillar, postnotum, left side plate and front door are formed up and down, a plurality of fibre optic terminal devices that are used for jointed fiber are housed in cabinet inside, wherein, described a plurality of fibre optic terminal device is contained in a wherein side of cabinet inside from top to bottom successively, and the fine device of equipment side panel that is used to coil the optical fiber of being introduced by equipment side more than needed is equipped with on the top of going up a fibre optic terminal device therein most; Opposite side in described cabinet inside is equipped with a plurality of fine devices of inlet wire side panel that are used to coil the optical fiber of being introduced by the inlet wire side more than needed from top to bottom successively.

In fiber management cabinet of the present utility model, on the postnotum between the fine device of described fibre optic terminal device and inlet wire side panel, from top to bottom be equipped with a plurality of be used to limit the optical fiber wiring path walk wire loop greatly.

In fiber management cabinet of the present utility model, described front door is a demountable structure; Described the right and left of the inboard of framework up and down is respectively equipped with the side plate track, and described left side plate cooperates with described side plate track at two ends up and down by it respectively, can insert or extract out along the side plate track.Also can be in the lower end of described left side plate or up and down two ends the roller that cooperates with described side plate track is housed.Also can and offer the lock hole of mutual correspondence up and down on the framework, and be inserted into the lock hole of described left side plate upper end downwards from the described lock hole of framework up and down, left side plate is fixed by lock screw in the upper end of described left side plate.

In fiber management cabinet of the present utility model, the front panel of described fibre optic terminal device is a rotary structure, can Unscrew 50-70 degree, on described front panel, be provided with a plurality of adapter decks that are used for mounting adapter.Be equipped with in described fibre optic terminal device inside and a plurality ofly be used to limit the optical fiber cable tray, walk wire loop for a short time greater than 37.5mm with the minimal curve radius that guarantees optical fiber.

Compare with existing similar fiber management cabinet, fiber management cabinet of the present utility model has the following advantages:

(1), is provided with the fine device of the dish that is used for coiled fiber, and be provided with special-purpose cable tray, make the turnover line clear clean and tidy, and the inner structure layout is more reasonable, under same physical dimension, the capacity that stores optical fiber more than needed increases greatly, and in 2200 * 600 * 300mm range of size, maximum optical patchcord more than needed stores capacity and can reach 2100 meters;

(2), the front panel of fibre optic terminal device is the rotatable structure of handled easily, inner cabling has the passage constraint, the minimal curve radius that can guarantee optical fiber is greater than 37.5mm;

(3), removable door-plate down during wiring operations, extract side plate again out, thereby make easy to operate freely.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:

Fig. 1 is the synoptic diagram of a kind of fiber management cabinet of the prior art;

The structural representation of Fig. 2 the utility model fiber management cabinet;

Fig. 3 is the synoptic diagram of the cabinet of fiber management shown in Fig. 2 when being removed the left-hand door plate and pulling out left plate;

Fig. 4 is the bottom enlarged diagram of Fig. 3;

Fig. 5 is a fibre optic terminal device taking out from the utility model fiber management cabinet synoptic diagram when being opened;

Fig. 6 is the user mode synoptic diagram of the utility model fiber management cabinet.

Embodiment

Be illustrated in figure 2 as the structural representation of fiber management cabinet among embodiment of the utility model, as can be seen from the figure, this fiber management cabinet comprises the cabinet 1 of a rectangular structure, in the left side of cabinet 1 inside four fibre optic terminal devices 2 are housed, the fine device 31 of ten inlet wire side panels is equipped with on the right side, the fine device 32 of two equipment side panels is housed on the top of fibre optic terminal device 2, and fine device 31 of inlet wire side panel and the fine device 32 of equipment side panel all add anterior disk by the cylinder that stretches out forward and form; Above-mentioned fibre optic terminal device and the fine device of dish all are installed on the postnotum of cabinet.The front of cabinet 1 is by left-hand door plate 4 and right door-plate 5, and the left and right sides door-plate among the figure is in open mode.

In the utility model, left and right sides door-plate 4,5 is designed to demountable structure, for example can establish left and right sides axis hole in the front portion of the inboard of the upper and

lower framework

12,13 of cabinet 1, but load onto the rotating shaft of elastic telescopic then at the two ends up and down of door-plate, when applying external force and make in the rotating shaft withdrawal door-plate, door-plate can be installed on the cabinet or from cabinet and remove.

Simultaneously, the left and right side plate 7,11 of cabinet 1 all adopts idler wheel mechanism, for example can establish track at the right and left of the inboard of the upper and

lower framework

12,13 of cabinet 1, load onto roller at the two ends up and down of side plate then, perhaps only be made as the structure that cooperates with track, make left side plate can insert track or extraction track easily until removing fully at the lower end of side plate dress roller and with its upper end.Also can offer the lock hole of mutual correspondence in the upper end of upper cover plate 12 and left side plate, after side plate inserted fully, an available screw was inserted into the lock hole of side plate upper end downwards by the lock hole of upper cover plate, plays fixation.Correspondingly, when needs are extracted side plate out, get and extract lock screw earlier.

Be illustrated in figure 3 as that left-hand door plate 4 is removed and the synoptic diagram of left plate 7 when being drawn out.As seen,, when assembling optical fiber, left and right sides door-plate and left side plate all can be disassembled, be very easy to wiring operations by this demountable structure.

From 4 figure as can be seen, the bottom of the utility model fiber management cabinet is provided with lower margin mounting hole 6, and can it be covered by flip-shell mounting hole cover plate 8, a screw 81 is housed, when needs are made foot screw on mounting hole cover plate 8, this screw 81 can be unclamped, start mounting hole cover plate 8 then and operate, after finishing, cover mounting hole cover plate 8 again, tighten screw 81, guarantee that whole cabinet is a closed state.

Synoptic diagram when being illustrated in figure 5 as a fibre optic terminal device that from the fiber management cabinet, takes out and being opened, this fibre optic terminal device 2 is the rotation closed-in construction, among the figure its front panel 21 forwarded to the left side, this front panel 21 can rotate 60 degree, with convenient in the adapter deck 24 mounting adapters, carry out online line transfer and continue.The inboard of plate 21 is provided with one and stretches out plate 22 in front, is provided with dentation breach 23 on the plate 22 stretching out, so that the cabling of optical fiber 10, the path of constraint optical fiber.Be provided with in fibre optic terminal device 2 inside by the cable tray of walking the optical fiber that wire loop 25 limited for a short time,, guarantee that its minimal curve radius is greater than 37.5mm along the about bundle cable of cable tray.

As Fig. 2 and shown in Figure 6, the inside of whole fiber management cabinet is provided with special-purpose cable tray, the optical fiber 10 of inlet wire side enters the cable tray on cabinet 1 right side, optical fiber more than needed all is coiled on the fine device 31 of inlet wire side panel on right side, walk the corresponding fibre optic terminal device 2 that wire loop 15 enters the left side through side direction respectively then, and at the interface of the couple in adapter back, inside of the front panel 21 of fibre optic terminal device.And after the optical fiber of equipment side enters cabinet, fiber reel more than needed is on the fine device 32 of two equipment side panels on fibre optic terminal device 2 tops, then, wherein a part of optical fiber is directly downward by the left side, and the interface of the outside couple in adapter front of the front panel 21 of two fibre optic terminal devices in the above; Another part is then by the cable tray of centre (this cable tray is walked wire loop 14 by size and from top to bottom limited) downwards, then in the bottom around on the left of cabinet, and the interface of the outside couple in adapter front of the front panel 21 of two fibre optic terminal devices below.As seen, can to guarantee to pass in and out optical fiber clear, clean and tidy for fiber management cabinet of the present utility model.

Claims

1, a kind of fiber management cabinet, its cabinet is by framework, left and right pillar, postnotum, left side plate and front door are formed up and down, a plurality of fibre optic terminal devices that are used for jointed fiber are housed in cabinet inside, it is characterized in that, described a plurality of fibre optic terminal device is contained in a wherein side of cabinet inside from top to bottom successively, and the fine device of equipment side panel that is used to coil the optical fiber of being introduced by equipment side more than needed is equipped with on the top of going up a fibre optic terminal device therein most; Opposite side in described cabinet inside is equipped with a plurality of fine devices of inlet wire side panel that are used to coil the optical fiber of being introduced by the inlet wire side more than needed from top to bottom successively.

2, fiber management cabinet according to claim 1, it is characterized in that, described fibre optic terminal device, the fine device of equipment side panel and the fine device of inlet wire side panel all are installed on the described postnotum, the fine device of described equipment side panel has identical structure with the fine device of inlet wire side panel, all is made up of cylinder that stretches out forward and front end disk.

3, fiber management cabinet according to claim 1 and 2 is characterized in that, on the postnotum between the fine device of described fibre optic terminal device and inlet wire side panel, from top to bottom be equipped with a plurality of be used to limit the optical fiber wiring path walk wire loop greatly.

4, fiber management cabinet according to claim 1 is characterized in that, described front door is a demountable structure; Described the right and left of the inboard of framework up and down is respectively equipped with the side plate track, and described left side plate cooperates with described side plate track at two ends up and down by it respectively, can insert or extract out along the side plate track.

5, fiber management cabinet according to claim 4 is characterized in that, in the lower end of described left side plate or up and down the roller that cooperates with described side plate track is equipped with at two ends.

6, according to claim 4 or 5 described fiber management cabinets, it is characterized in that, in the upper end of described left side plate with offer the lock hole of mutual correspondence up and down on the framework, and be inserted into the lock hole of described left side plate upper end downwards from the lock hole of described up and down framework by lock screw, left side plate is fixed.

7, according to claim 1,2,4 or 5 described fiber management cabinets, it is characterized in that, the front panel of described fibre optic terminal device is a rotary structure, can Unscrew 50-70 degree, on described front panel, be provided with a plurality of adapter decks that are used for mounting adapter.

8, fiber management cabinet according to claim 7 is characterized in that, is equipped with in described fibre optic terminal device inside a plurality ofly to be used to limit the optical fiber cable tray, to walk wire loop with the minimal curve radius that guarantees optical fiber for a short time greater than 37.5mm.