CN109557629B - Stacked extension type optical fiber distribution frame - Google Patents
Stacked extension type optical fiber distribution frame Download PDFInfo
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- CN109557629B CN109557629B CN201910069978.6A CN201910069978A CN109557629B CN 109557629 B CN109557629 B CN 109557629B CN 201910069978 A CN201910069978 A CN 201910069978A CN 109557629 B CN109557629 B CN 109557629B
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- optical fiber
- fiber distribution
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- heat dissipation
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4452—Distribution frames
Abstract
The invention provides a laminated expansion type optical fiber distribution frame, which comprises an optical fiber distribution box, a heat dissipation box and a corresponding number of optical fiber distribution expansion boxes; top laminated connecting structures are arranged on the top end face of the optical fiber distribution box and the top end face of the optical fiber distribution expansion box; the bottom of the optical fiber distribution flash tank and the bottom of the heat dissipation tank are both provided with bottom laminated connection structures; vent holes are formed in the bottom wall of the optical fiber distribution flash tank and the bottom wall of the heat dissipation tank; the lower end of the left side wall and the lower end of the right side wall of the optical fiber distribution box are both provided with air inlets; the heat dissipation box is internally provided with a heat dissipation fan, an air inlet of the heat dissipation fan is communicated with an inner cavity of the heat dissipation box, and an air outlet of the heat dissipation fan is communicated with the outside air through a heat dissipation pipeline. The invention is used for improving the capacity expansion efficiency of the optical fiber distribution frame and accelerating the heat dissipation of the optical fiber distribution frame.
Description
Technical Field
The invention relates to the field of optical fiber distribution, in particular to a laminated extended optical fiber distribution frame.
Background
An Optical Distribution Frame (ODF) is a Distribution connection device between an Optical cable and an Optical communication device or between Optical communication devices, is used for terminating and distributing a local side trunk Optical cable in an Optical fiber communication system, and can conveniently realize connection, Distribution and scheduling of Optical fiber lines.
In practice, however, a single multi-core cable is required to enter only one optical fiber distribution frame. When later stage increases because of the user, when needing to carry out the dilatation to original optical distribution frame, conventional way is purchase an optical distribution frame more than original distribution frame interface again, replaces original interface optical distribution frame less relatively, and at the dilatation in-process, need cut the splice of original optical distribution frame, later makes the splice of new optical distribution frame again, brings very big inconvenience for the field maintenance, and the dilatation efficiency is lower relatively.
In addition, in use, the optical cables and optical fibers arranged in the optical cable distribution frame are often numerous and dense, so that the temperature of the internal environment is easy to rise, and the problems of reduction of transmission rate, aggravation of optical cable attenuation and the like are easily caused.
Therefore, the invention provides a laminated extended optical fiber distribution frame, which is used for solving the technical problem.
Disclosure of Invention
The invention aims to solve the technical problem of providing a laminated expansion type optical fiber distribution frame, which is used for improving the expansion efficiency of the optical fiber distribution frame and accelerating the heat dissipation of the optical fiber distribution frame.
In order to solve the technical problem, the invention provides a laminated expansion type optical fiber distribution frame, which comprises an optical fiber distribution box, a heat dissipation box and a corresponding number of optical fiber distribution expansion boxes;
the top of each of the optical fiber distribution box and the optical fiber distribution expansion box is open;
the optical fiber distribution box and the optical fiber distribution expansion box respectively comprise a bottom wall, a front side wall, a rear side wall, a left side wall and a right side wall;
the front side wall and the rear side wall of the optical fiber distribution box are respectively provided with an outlet and an inlet, and the front side wall and the rear side wall of the optical fiber distribution expansion box are respectively provided with an outlet and an inlet; optical fiber jumper connectors are clamped in the outlet of the optical fiber distribution box and the outlet of the optical fiber distribution expansion box; the optical fiber jumper connectors are all connected with quartz glass optical fibers;
top laminated connecting structures are arranged on the top end face of the optical fiber distribution box and the top end face of the optical fiber distribution expansion box; the bottom of the optical fiber distribution flash tank and the bottom of the heat dissipation tank are both provided with bottom laminated connection structures;
the bottom laminated connecting structure of the heat dissipation box is detachably connected with the top laminated connecting structure of the adjacent optical fiber distribution expansion box or the top laminated connecting structure of the optical fiber distribution box;
the top laminated connection structure of the optical fiber distribution flash tank is detachably connected with the bottom laminated connection structure of the adjacent optical fiber distribution flash tank or the bottom laminated connection structure of the bottom of the heat dissipation tank;
the bottom laminated connection structure of the optical fiber distribution flash tank is detachably connected with the top laminated connection structure of the adjacent optical fiber distribution flash tank or the top laminated connection structure of the optical fiber distribution flash tank;
hubs for containing quartz glass optical fibers are arranged in the optical fiber distribution box and the optical fiber distribution expansion box;
vent holes are formed in the bottom wall of the optical fiber distribution flash tank and the bottom wall of the heat dissipation tank; the lower end of the left side wall and the lower end of the right side wall of the optical fiber distribution box are both provided with air inlets;
the heat dissipation box is internally provided with a heat dissipation fan, an air inlet of the heat dissipation fan is communicated with an inner cavity of the heat dissipation box, and an air outlet of the heat dissipation fan is communicated with the outside air through a heat dissipation pipeline.
The bottom of the optical fiber distribution box is provided with a corresponding number of supporting legs.
Wherein, each supporting leg is provided with a protective sleeve, and the bottom of each supporting leg is fixedly provided with an iron sheet;
strong magnets are fixed at the bottom in the protective sleeve;
the bottom in the protective sleeve is fixed with a strong magnet which is respectively used for being matched with an iron sheet arranged at the bottom of the supporting leg.
The top laminated connection structure of the optical fiber distribution box comprises a first annular insertion groove arranged on the top end face of the optical fiber distribution box and a first annular strong magnet fixed on the bottom wall of an inner groove of the first annular insertion groove;
the top laminated connection structure of the optical fiber distribution flash tank comprises a second annular splicing groove arranged on the top end surface of the optical fiber distribution flash tank and a second annular strong magnet fixed on the bottom wall of an inner groove of the second annular splicing groove;
the bottom laminated connection structure of the optical fiber distribution flash tank comprises a first annular insertion plate vertically fixed at the bottom of the optical fiber distribution flash tank and an annular iron sheet fixed on the lower end surface of the first annular insertion plate;
the bottom laminated connection structure of the heat dissipation box comprises a second annular insertion plate vertically fixed at the bottom of the heat dissipation box and an annular iron sheet fixed on the lower end face of the second annular insertion plate;
the first annular plugboard at the bottom of the optical fiber distribution flash tank is used for being in splicing fit with the first annular plugboard on the top end face of the optical fiber distribution flash tank or the second annular plugboard on the top end face of the adjacent optical fiber distribution flash tank; the annular iron sheet is fixed on the lower end surface of a first annular insertion plate of the optical fiber distribution flash tank and is used for being matched with a first annular strong magnet in a first annular insertion groove of the optical fiber distribution flash tank or a second annular strong magnet in a second annular insertion groove of an adjacent optical fiber distribution flash tank in an attracting mode;
the second annular plug-in groove is formed in the top end face of the optical fiber distribution flash tank and used for being in plug-in fit with the second annular plug-in plate at the bottom of the heat dissipation tank or the first annular plug-in plate of the adjacent optical fiber distribution flash tank; the second annular strong magnet in the second annular inserting groove of the optical fiber distribution flash tank is used for being matched with an annular iron sheet on the lower end face of the second annular inserting plate of the heat dissipation tank or an annular iron sheet on the lower end face of the first annular inserting plate of the adjacent optical fiber distribution flash tank in an attracting mode;
the second annular plug board at the bottom of the heat dissipation box is used for being in plug fit with the second annular plug groove on the top end face of the adjacent optical fiber distribution expansion box or the first annular plug groove on the top end face of the optical fiber distribution box; and the annular iron sheet on the lower end surface of the second annular plug board is used for being matched with a second annular strong magnet in a second annular plug groove of the adjacent optical fiber distribution expansion tank or a first annular strong magnet in the first annular plug groove in an attracting mode.
At least two hubs are respectively arranged in the optical fiber distribution box and the optical fiber distribution flash box.
The concentrator comprises a fixed shaft and a concentrator disc, wherein the fixed shaft is vertically arranged, the concentrator disc is rotatably arranged on the fixed shaft, and the concentrator disc is in a circular ring shape;
the wire collecting disc is provided with a strip-shaped guide hole respectively, and the length directions of the strip-shaped guide holes are distributed along the radial direction of the wire collecting disc;
the outer side wall of the wire collecting disc is provided with annular wire collecting grooves which are distributed along the peripheral circumferential direction of the wire collecting disc;
each strip-shaped guide hole is internally provided with an insulating bolt and a fastening nut for fastening the insulating bolt on the line concentration disc, and the insulating bolts can slide in the strip-shaped guide holes.
Each wire collecting disc is rotatably arranged on the fixed shaft through a bearing.
Each fixed shaft is provided with a rocking handle, the rocking handles are respectively positioned above the wire concentration discs on the fixed shaft, and each rocking handle comprises a cross rod and a vertical rod; one end of the cross bar is fixed on a sleeve, the sleeve is rotatably arranged on the corresponding fixed shaft through a bearing, and the cross bar is vertical to the corresponding fixed shaft; the top of the vertical rod is fixed at the other end of the cross rod, and the vertical rod is a telescopic rod;
the outer side wall of each wire collecting disc is provided with a threaded hole, each threaded hole is distributed along the radial direction of the wire collecting disc in which the threaded hole is located, and each threaded hole is provided with a limiting assembly;
the limiting assembly comprises a limiting rod and a screw fixed on the limiting rod, and a limiting hole used for enabling the vertical rod of the rocking handle to pass through in a sliding mode is formed in the limiting rod; and the screw rod of the limiting assembly is in threaded fit with the threaded hole in the outer side wall of the line concentration disc.
Wherein, each rocking handle is provided with a locking mechanism.
The locking mechanism comprises a locking rod and a locking hole arranged at the top of the fixed shaft, the cross section of the locking hole is a polygonal ring, one end of the locking rod is fixed on a cross rod of the rocking handle corresponding to the locking rod, the other end of the locking rod is provided with a positioning hole and a stopping rod capable of sliding in the positioning hole, the positioning hole is positioned right above the locking hole, and the stopping rod is matched with the locking hole for use; the stop rod is provided with a first stop hole and a second stop hole, and the first stop hole and the second stop hole are sequentially distributed along the length direction of the stop rod;
the locking rod is provided with a third stopping hole for stopping the stopping rod in the vertical direction, and the third stopping hole is provided with a positioning pin which is matched with the third stopping hole and the first stopping hole or the second stopping hole;
when the positioning pin is inserted into the first stopping hole and the third stopping hole, the locking rod is positioned above the corresponding fixed shaft; when the positioning pin is inserted into the second stopping hole and the third stopping hole, the lower end of the locking rod is positioned in the locking hole of the corresponding fixed shaft.
Compared with the prior art, the invention has the advantages that:
(1) when the laminated expansion type optical distribution frame needs to be subjected to optical distribution expansion, the heat dissipation box is taken down firstly, then a new optical distribution expansion box is continuously laminated upwards on the original basis, and after the expansion is finished, the heat dissipation box taken down previously is installed at the top of the newly-increased optical distribution expansion box.
(2) The invention relates to a laminated expansion type optical fiber distribution frame, which has the speed that an air inlet, an inner cavity of a heat dissipation box, an air vent on the bottom wall of a second optical fiber distribution flash box, an inner cavity of a second optical fiber distribution flash box, an air vent on the bottom wall of a first optical fiber distribution flash box, an inner cavity of the heat dissipation box, an air inlet, a heat dissipation fan, an air outlet and a heat dissipation pipeline form a heat dissipation channel, a heat dissipation passage is formed between the heat dissipation channel and the outside air, when in use, the heat dissipation fan is started, so that a negative pressure area can be continuously formed in the heat dissipation box, the flow velocity of air flow in the optical fiber distribution flash box and the optical fiber distribution box is accelerated to a certain extent, the heat generated in the optical fiber distribution flash box and the heat generated in the optical fiber distribution flash box are exhausted to the outside air through the heat dissipation channel, thereby the purpose of quickening the heat dissipation of the optical fiber distribution frame is achieved.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
Fig. 1 is a schematic cross-sectional view of a stacked extended fiber distribution frame according to the present invention.
Fig. 2 is a schematic front view of a stacked extended fiber distribution frame according to the present invention.
Fig. 3 is a schematic rear view of the stacked extended fiber distribution frame of the present invention.
Fig. 4 is an enlarged schematic view of the point a shown in fig. 1.
Fig. 5 is an enlarged schematic view of the point B shown in fig. 1.
Fig. 6 is an enlarged schematic view at C shown in fig. 1.
Fig. 7 is an enlarged schematic view at D shown in fig. 1.
Fig. 8 is an enlarged schematic view at E shown in fig. 1.
Fig. 9 is a schematic view of the construction of the concentrator disk shown in fig. 1, 4 and 7.
Fig. 10 is a schematic structural view of the stop assembly shown in fig. 1, 4 and 7.
Fig. 11 is an enlarged schematic view of the point F shown in fig. 1.
FIG. 12 is a schematic view of the structure of the detent lever of the detent mechanism of FIGS. 1, 4 and 7.
Wherein: 1. an optical fiber distribution box, 1.1, an outlet, 1.2, a wire inlet, 1.3, an optical fiber jumper wire connector, 1.4, a threaded hole, 1.5, an air inlet, 1.6, a supporting leg, 1.7, an iron sheet, 1.8, a fixed shaft, 1.9, a first annular insertion groove, 1.10, a first annular strong magnet, 1.11, a bearing, 1.12, an annular wire collecting groove, 1.13, a limiting component, 1.131, a limiting hole, 1.132, a limiting rod, 1.133, a screw rod, 1.14, a vertical rod, 1.15, a cross rod, 1.16, a locking rod, 1.161, a positioning hole, 1.162, a third locking hole, 1.17, a first locking hole, 1.18, a second locking hole, 1.19, a positioning pin, 1.20, a bearing, 1.21, a sleeve, 1.22, a wire collecting disc, 1.23, an insulating bolt, 1.24, a fastening nut, 1.25, a jumper wire distributing hole, a guiding hole, 1.26, a positioning pin, a bearing, a vent hole, a 2.2.2, a connector, a rectangular wire inlet, a vent hole, a 2.8, a fiber box, a, 3. the heat dissipation box comprises a heat dissipation box body, 3.1, a second annular plug board, 3.2, an iron sheet, 3.3, an air vent, 3.4, a heat dissipation fan, 3.41, an air inlet, 3.42, an air outlet, 3.5, a heat dissipation channel, 3.6, a heat dissipation box cover, 4, a protective sleeve, 5, a strong magnet, 6 and a quartz glass optical fiber.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Fig. 1-12 illustrate one embodiment of a stacked extended fiber distribution frame of the present invention. In the present embodiment, the stacked extended optical distribution frame includes an optical fiber distribution box 1, a heat dissipation box 3, and a corresponding number of optical fiber distribution expansion boxes 2. The optical fiber distribution box 1, the heat dissipation box 3 and the optical fiber distribution expansion box 2 are all rectangular. And the optical fiber distribution box 1 and the optical fiber distribution expansion box 2 are both open at the top. Optical fiber distribution case 1 and optical fiber distribution flash tank 2 all include diapire, preceding lateral wall, back wall, left side wall and right side wall. The front side wall and the rear side wall of the optical fiber distribution box 1 are respectively provided with an outlet 1.1 and an inlet 1.2, and the front side wall and the rear side wall of the optical fiber distribution flash box 2 are respectively provided with an outlet 2.7 and an inlet 2.8. And optical fiber jumper connectors are clamped in the wire outlet 1.1 of the optical fiber distribution box 1 and the wire outlet 2.7 of the optical fiber distribution expansion box 2. The optical fiber jumper wire connectors are all connected with quartz glass optical fibers. And top laminated connection structures are arranged on the top end face of the optical fiber distribution box 1 and the top end face of the optical fiber distribution expansion box 2. The bottom of the optical fiber distribution flash tank 2 and the bottom of the heat dissipation tank 3 are both provided with a bottom laminated connection structure. And the bottom laminated connection structure of the heat dissipation box 3 is detachably connected with the top laminated connection structure of the adjacent optical fiber distribution expansion box 2 or the top laminated connection structure of the optical fiber distribution box 1. The top laminated connection structure of the optical fiber distribution flash tank 2 is detachably connected with the bottom laminated connection structure of the adjacent optical fiber distribution flash tank 2 or the bottom laminated connection structure of the bottom of the heat dissipation tank 3. The bottom laminated connection structure of the optical fiber distribution flash tank 2 is used for being detachably connected with the top laminated connection structure of the adjacent optical fiber distribution flash tank 2 or the top laminated connection structure of the optical fiber distribution flash tank 1.
In the present embodiment, the top-laminated connection structure of the optical fiber distribution box 1 includes a first annular socket 1.9 provided on the top end surface of the optical fiber distribution box 1, and a first annular strong magnet 1.10 fixed to the inner groove bottom wall of the first annular socket 1.9. Referring to fig. 1, the first annular insertion groove 1.9 and the first annular strong magnet 1.10 described in this embodiment are both coaxially distributed with the top opening of the optical fiber distribution box 1.
In the present embodiment, the top-laminated connection structure of the fiber distribution expansion tank 2 includes a second annular socket 2.4 provided on the top end surface of the fiber distribution expansion tank 2, and a second annular strong magnet 2.3 fixed to the inner groove bottom wall of the second annular socket 2.4. The bottom laminated connection structure of the optical fiber distribution flash tank 2 comprises a first annular insertion plate 2.1 vertically fixed at the bottom of the optical fiber distribution flash tank 2 and an annular iron sheet 2.2 fixed on the lower end face of the first annular insertion plate 2.1. Referring to fig. 1, the second annular bayonet groove 2.4, the second annular strong magnet 2.3, the first annular bayonet plate 2.1, and the annular iron piece 2.2 fixed to the lower end surface of the first annular bayonet plate 2.1 in the present embodiment are all coaxially distributed with the top opening of the optical fiber distribution flash tank 2.
In the present embodiment, the bottom-portion stacked connection structure of the heat dissipation case 3 includes a second annular patch plate 3.1 vertically fixed to the bottom portion of the heat dissipation case 3, and an annular iron piece 3.2 fixed to a lower end surface of the second annular patch plate 3.1. Referring to fig. 1, the second annular patch board 3.1 and the annular iron piece 3.2 are coaxially arranged in the present embodiment.
The first annular plug board 2.1 at the bottom of the optical fiber distribution flash tank 2 is used for being in plug fit with the first annular plug groove 1.9 on the top end face of the optical fiber distribution flash tank 1 or the second annular plug groove 2.4 on the top end face of the adjacent optical fiber distribution flash tank 2; the annular iron sheet 2.2 fixed on the lower end face of the first annular insertion plate 2.1 of the optical fiber distribution flash tank 2 is used for attracting and matching with the first annular strong magnet 1.10 in the first annular insertion groove 1.9 of the optical fiber distribution flash tank 1 or the second annular strong magnet 2.3 in the second annular insertion groove 2.4 of the adjacent optical fiber distribution flash tank 2.
The second annular plug-in groove 2.4 on the top end surface of the optical fiber distribution flash tank 2 is used for being in plug-in fit with the second annular plug-in plate 3.1 at the bottom of the heat dissipation tank 3 or the first annular plug-in plate 2.1 of the adjacent optical fiber distribution flash tank 2; the second annular strong magnet 2.3 in the second annular insertion groove 2.4 of the optical fiber distribution flash tank 2 is used for attracting and matching with the annular iron sheet 3.2 on the lower end face of the second annular insertion plate 3.1 of the heat dissipation tank 3 or the annular iron sheet 2.2 on the lower end face of the first annular insertion plate 2.1 of the adjacent optical fiber distribution flash tank 2.
The second annular plug board 3.1 at the bottom of the heat dissipation box 3 is used for being in plug fit with the second annular plug groove 2.4 on the top end face of the adjacent optical fiber distribution expansion box 2 or the first annular plug groove 1.9 on the top end face of the optical fiber distribution box 1; and the annular iron sheet 3.2 on the lower end face of the second annular insertion plate 3.1 is used for attracting and matching with a second annular strong magnet 2.3 in a second annular insertion groove 2.4 of the adjacent optical fiber distribution expansion tank 2 or a first annular strong magnet 1.10 in a first annular insertion groove 1.9.
When the optical fiber distribution flash tank is used, electric power workers can select whether to use the optical fiber distribution flash tank 2 or not and the corresponding number of the optical fiber distribution flash tanks 2 according to actual needs; when optical distribution expansion is needed, the heat dissipation box 3 is taken down firstly, then a new optical fiber distribution expansion box 2 is continuously stacked upwards on the original basis, after the expansion is completed, the heat dissipation box 3 taken down previously is installed at the top of the new optical fiber distribution expansion box 2, the whole process does not need to replace a new ODF, the splicing point of the original ODF is not required to be cut off firstly, and then the splicing point of a new optical fiber distribution frame is manufactured again, so that the efficiency of the optical fiber distribution frame is improved.
Referring to fig. 1, fig. 1 shows a stacked expansion type optical fiber distribution frame using two optical fiber distribution flash tanks 2, where the two optical fiber distribution flash tanks 2 in fig. 1 are sequentially denoted as a first optical fiber distribution flash tank and a second optical fiber distribution flash tank from top to bottom, so that: the bottom of the heat dissipation box 3 is detachably connected with the top of the first optical fiber distribution expansion box in a magnet attraction mode; the bottom of the first optical fiber distribution flash tank is detachably connected with the top of the second optical fiber distribution flash tank in a magnet attraction manner; the bottom of the second optical fiber distribution flash tank is detachably connected with the top of the optical fiber distribution box 1 in a magnet attraction mode. The installation and the dismantlement are convenient.
In the present embodiment, two hubs for accommodating silica glass optical fibers are mounted in both the optical fiber distribution box 1 and the optical fiber distribution expansion box 2. The structure of the hubs in the optical fiber distribution box 1 and the optical fiber distribution flash box 2 is the same.
When the connection is performed through the optical fiber distribution flash tank 2, the end of the quartz glass optical fiber is drawn into the optical fiber distribution flash tank 2 from the wire inlet of the optical fiber distribution flash tank 2, the overlong quartz glass optical fiber is stored in the concentrator, and then the end of the quartz glass optical fiber is connected to the optical fiber jumper connector.
In the present embodiment, the hub includes a fixed shaft 1.8 vertically disposed, and two hub disks 1.22 rotatably mounted on the fixed shaft 1.8 respectively. The line concentration discs 1.22 are respectively in a circular ring shape and can be rotatably sleeved on the fixed shaft 1.8 through bearings 1.11. When the optical fiber collecting device is used, the quartz glass optical fibers can be collected on the line collecting disc 1.22 by rotating the line collecting disc 1.22, and the use is convenient. Moreover, based on the hub, any one of the hubs 1.22 is independently rotated without being limited by other hubs of the current hub, which increases the flexibility of using the stacked extended fiber distribution frame of the present invention.
In this embodiment, the line concentrator discs 1.22 are respectively provided with a strip-shaped guide hole 1.25, and the length directions of the strip-shaped guide holes 1.25 are respectively distributed along the radial direction of the line concentrator disc 1.22 where the strip-shaped guide holes are located. The outer side wall of the wire collecting disc 1.22 is provided with an annular wire collecting groove 1.12, and the annular wire collecting groove 1.12 is distributed along the peripheral circumferential direction of the wire collecting disc 1.22. And an insulating bolt 1.23 is respectively arranged in the elongated guide holes 1.25. The insulating bolt 1.23 can slide in the elongated guide hole 1.25 in which the insulating bolt is arranged. The elongated guide holes 1.25 are also respectively provided with fastening nuts 1.24 for fastening the corresponding insulating bolts 1.23 on the corresponding wire collecting discs 1.22. When the optical fiber collecting device is used, firstly, the fastening nut 1.24 is unscrewed, then the position of the insulating bolt 1.23 in the elongated guide hole 1.25 is adjusted, and then the quartz glass optical fiber is wound and collected in the annular wire collecting groove 1.12 of the wire collecting disc 1.22; after the quartz glass optical fibers are collected, the quartz glass optical fibers collected on the line concentration disc 1.22 are in a coil form and are positioned between the insulating bolts 1.23 and the bottom wall of the annular line concentration groove 1.12, the insulating bolts 1.23 move towards the center of the line concentration disc 1.22 along the elongated guide holes 1.25 where the insulating bolts are positioned until the insulating bolts abut against the quartz glass optical fibers collected on the line concentration disc 1.22, and then the insulating bolts 1.23 are fastened on the line concentration disc 1.22 through the fastening nuts 1.24, so that the quartz glass optical fibers collected on the line concentration disc 1.22 are prevented from being broken, rolled and scattered to a certain extent.
In the embodiment, each fixed shaft 1.8 is provided with a rocking handle which is respectively positioned above each line concentration disc 1.22 on the fixed shaft 1.8, and each rocking handle respectively comprises a cross rod 1.15 and a vertical rod 1.14. Specifically, see fig. 4: one end of the cross bar 1.15 is fixed with a sleeve 1.21, the sleeve 1.21 is rotatably sleeved on the fixed shaft 1.8 through a bearing 1.20, and the cross bar 1.15 is vertical to the fixed shaft 1.8; the top of the vertical rod 1.14 is fixed at the bottom of the other end of the cross rod 1.15, and the vertical rods 1.14 are telescopic rods. In addition, in the present embodiment, a threaded hole 1.4 is further provided on an outer side wall of each hub 1.22, each threaded hole 1.4 is distributed along a radial direction of the hub 1.22 where the threaded hole is located, and a limiting component 1.13 is provided with each threaded hole 1.4. The limiting assemblies 1.13 respectively comprise a limiting rod 1.132 and a screw rod 1.133 fixed at one end of the limiting rod 1.132, and the limiting rod 1.132 is provided with a limiting hole 1.131 used for passing through the vertical rod 1.14 in a sliding manner; and the screw rod 1.133 of the limiting component 1.13 is used for being in threaded connection with the threaded hole 1.4 on the outer side wall of the line concentration disc 1.22. Before the corresponding wire collecting disc of the wire collector is adjusted by using the rocking handle to collect wires, other limiting assemblies 1.13 on the wire collecting disc which is not used for collecting wires currently of the wire collector need to be taken down firstly, then the length of the vertical rod 1.14 of the rocking handle is adjusted until the lower end of the vertical rod 1.14 penetrates through the limiting hole 1.131 of the limiting assembly 1.13 on the wire collecting disc which is used for collecting wires currently, then the rocking handle is driven to rotate manually, and then the wire collecting disc which is used for collecting wires currently can be driven to rotate to collect wires.
In the present embodiment, a locking mechanism is provided for each rocker to lock the rocker.
In this embodiment, the locking mechanism includes a locking rod 1.16 and a locking hole 1.27 disposed at the top of the fixed shaft 1.8, the cross section of the locking hole 1.27 is a rectangular ring, one end of the locking rod 1.16 is fixed on the cross bar 1.15 of the corresponding rocking handle, the other end of the locking rod 1.16 is provided with a positioning hole 1.161 and a stop rod 1.26 capable of sliding up and down in the positioning hole 1.161, the positioning hole 1.161 is located right above the locking hole 1.27, and the stop rod 1.26 is in sliding fit with the locking hole 1.27 up and down; the stop rod 1.26 is provided with a first stop hole 1.17 and a second stop hole 1.18, and the first stop hole 1.17 and the second stop hole 1.18 are distributed in sequence along the length direction of the stop rod 1.26. The locking rod 1.16 is provided with a third stop hole 1.162 for stopping the stop rod 1.26 in the vertical direction. For the same detent lever 1.16, the line of its third detent opening 1.162 is perpendicular to and intersects the line of its detent opening 1.161. The third latching hole 1.162 is provided with a positioning pin 1.19 for cooperating with the third latching hole 1.162 and with the first latching hole 1.17 or the second latching hole 1.18. When the positioning pin 1.19 is inserted into the third stopping hole 1.162 and the first stopping hole 1.17, the lower end of the locking rod 1.16 is positioned in the locking hole 1.27 of the corresponding fixed shaft, and the rocking handle is in a locking state at the moment and cannot be rotationally adjusted; when the positioning pin 1.19 is inserted into the third stop hole 1.162 and the second stop hole 1.18, the lower end surface of the stop rod 1.26 is positioned above the stop hole 1.27 of the corresponding fixed shaft 1.8, and the rocking handle can be adjusted in a rotating mode. It can be seen that when the rocking handle needs to be locked, the positioning pin 1.19 only needs to be inserted into the third stopping hole 1.162 and the first stopping hole 1.17; when the rocking handle needs to be unlocked, the positioning pin 1.19 is only required to be inserted into the third stopping hole 1.162 and the second stopping hole 1.18.
In the present embodiment, the bottom wall of the fiber distribution expansion tank 2 and the bottom wall of the heat dissipation tank 3 are provided with vent holes. Wherein, all be equipped with corresponding quantity's air vent 2.5 on the diapire of optic fibre distribution flash tank 2. The vent holes 2.5 on the bottom wall of the optical fiber distribution flash tank 2 are uniformly distributed. The bottom wall of the heat dissipation box 3 is provided with a corresponding number of vent holes 3.3, and the vent holes 3.3 are uniformly distributed.
In the present embodiment, the lower end of the left side wall and the lower end of the right side wall of the fiber distribution box 1 are provided with air inlets 1.5. The left side wall and the right side wall of the optical fiber distribution box 1 are two side walls positioned on two sides of the front side wall of the optical fiber distribution box 1; specifically, in the present embodiment, the side denoted by reference numeral 1.5 in fig. 1 is the left side wall of the optical fiber distribution box 1, and the side wall opposite to the left side wall in fig. 1 is the right side wall of the optical fiber distribution box 1; the side wall of the fiber box 1 shown in fig. 1, which faces the user, is the front side wall of the fiber box 1.
In addition, the left side wall and the right side wall of the optical fiber distribution flash tank 2 are two side walls located on both sides of the front side wall of the optical fiber distribution flash tank 2; the side wall of the fiber distribution tank 2 shown in fig. 1 facing the customer is the front side wall of the fiber distribution tank 2.
In this embodiment, the heat dissipation box 3 is internally provided with a heat dissipation fan 3.4, an air inlet 3.41 of the heat dissipation fan 3.4 is communicated with an inner cavity of the heat dissipation box 3, and an air outlet 3.42 of the heat dissipation fan 3.4 is communicated with outside air through a heat dissipation pipeline 3.5.
Wherein, still two optical fiber distribution flash tanks 2 in fig. 1 are sequentially marked as a first optical fiber distribution flash tank and a second optical fiber distribution flash tank from top to bottom, see fig. 1, the air inlet 1.5, the inner cavity of the heat dissipation tank 3, the vent hole on the bottom wall of the second optical fiber distribution flash tank, the inner cavity of the second optical fiber distribution flash tank 2, the vent hole on the bottom wall of the first optical fiber distribution flash tank, the inner cavity of the first optical fiber distribution flash tank, the vent hole 3.3 of the heat dissipation tank 3, the inner cavity of the heat dissipation tank 3, the air inlet 3.41, the heat dissipation fan 3.4, the air outlet 3.42 and the heat dissipation pipe 3.5 form a heat dissipation channel, a heat dissipation channel is formed between the heat dissipation channel and the outside air, when in use, the heat dissipation fan 3.4 is started, so that a source in the heat dissipation tank 3 continuously forms a source, thereby accelerating the flow velocity of the air flow in the optical fiber distribution flash tanks 2 and the optical, the heat generated in the optical fiber distribution flash tank 2 and the heat generated in the optical fiber distribution flash tank 1 are then exhausted to the outside air through the heat dissipation channel at a high speed, so that the purpose of accelerating the heat dissipation of the optical fiber distribution frame is achieved.
In addition, in the present embodiment, the bottom of the optical fiber distribution box 1 is provided with a corresponding number of supporting legs 1.6 for supporting the entire stacked extended optical fiber distribution frame.
Wherein, each supporting foot 1.6 is respectively provided with a protective sleeve 4, and the bottom of each supporting foot 1.6 is fixedly provided with an iron sheet 1.7; strong magnets 5 are fixedly arranged at the bottom in the protective sleeve 4; the bottom in the protective sleeve 4 is fixed with a strong magnet 5 which is used for attracting and matching with an iron sheet 1.7 arranged at the bottom of the supporting leg 1.6. When the protective sleeve is used, the protective sleeve 4 is sleeved on the supporting leg 1.6, the strong magnet 5 in the protective sleeve 4 and the iron sheet 1.7 on the supporting leg 1.6 are mutually attracted, so that the protective sleeve 4 is adsorbed on the supporting leg 1.6, and the protective sleeve 4 is prevented from being lost to a certain extent. In addition, the protective sleeve 4 is sleeved on the supporting leg 1.6 in a magnetic attraction manner, so that the dismounting is convenient, the timely replacement of the protective sleeve 4 is convenient, and the supporting leg 1.6 can be better protected to a certain extent.
The invention is based on the attached figure 1 in the specification; in addition, in order to simplify the structure of the drawings in the specification, all the silica glass optical fibers related to the present invention are not shown in the drawings in the specification, but based on the text and the related structure given by the drawings in the specification, the silica glass optical fibers can be easily implemented by a person skilled in the art by combining the prior art, and the description is omitted here.
The above embodiments are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A stacked, extended fiber distribution frame, comprising:
the system comprises an optical fiber distribution box, a heat dissipation box and a corresponding number of optical fiber distribution expansion boxes;
the top of each of the optical fiber distribution box and the optical fiber distribution expansion box is open;
the optical fiber distribution box and the optical fiber distribution expansion box respectively comprise a bottom wall, a front side wall, a rear side wall, a left side wall and a right side wall;
the front side wall and the rear side wall of the optical fiber distribution box are respectively provided with an outlet and an inlet, and the front side wall and the rear side wall of the optical fiber distribution expansion box are respectively provided with an outlet and an inlet; optical fiber jumper connectors are clamped in the outlet of the optical fiber distribution box and the outlet of the optical fiber distribution expansion box; the optical fiber jumper connectors are all connected with quartz glass optical fibers;
top laminated connecting structures are arranged on the top end face of the optical fiber distribution box and the top end face of the optical fiber distribution expansion box; the bottom of the optical fiber distribution flash tank and the bottom of the heat dissipation tank are both provided with bottom laminated connection structures;
the bottom laminated connecting structure of the heat dissipation box is detachably connected with the top laminated connecting structure of the adjacent optical fiber distribution expansion box or the top laminated connecting structure of the optical fiber distribution box;
the top laminated connection structure of the optical fiber distribution flash tank is detachably connected with the bottom laminated connection structure of the adjacent optical fiber distribution flash tank or the bottom laminated connection structure of the bottom of the heat dissipation tank;
the bottom laminated connection structure of the optical fiber distribution flash tank is detachably connected with the top laminated connection structure of the adjacent optical fiber distribution flash tank or the top laminated connection structure of the optical fiber distribution flash tank;
hubs for containing quartz glass optical fibers are arranged in the optical fiber distribution box and the optical fiber distribution expansion box;
vent holes are formed in the bottom wall of the optical fiber distribution flash tank and the bottom wall of the heat dissipation tank; the lower end of the left side wall and the lower end of the right side wall of the optical fiber distribution box are both provided with air inlets;
a heat dissipation fan is arranged in the heat dissipation box, an air inlet of the heat dissipation fan is communicated with an inner cavity of the heat dissipation box, and an air outlet of the heat dissipation fan is communicated with the outside air through a heat dissipation pipeline;
the concentrator comprises a fixed shaft and a concentrator disc, wherein the fixed shaft is vertically arranged, the concentrator disc is rotatably arranged on the fixed shaft, and the concentrator disc is in a circular ring shape;
the wire collecting disc is provided with a strip-shaped guide hole respectively, and the length directions of the strip-shaped guide holes are distributed along the radial direction of the wire collecting disc;
the outer side wall of the wire collecting disc is provided with annular wire collecting grooves which are distributed along the peripheral circumferential direction of the wire collecting disc;
each strip-shaped guide hole is internally provided with an insulating bolt and a fastening nut for fastening the insulating bolt on the line concentration disc, and the insulating bolts can slide in the strip-shaped guide holes.
2. The stacked, extended fiber distribution frame of claim 1, wherein:
the bottom of the optical fiber distribution box is provided with a corresponding number of supporting legs.
3. The stacked, extended fiber distribution frame of claim 2, wherein:
each supporting leg is provided with a protective sleeve, and the bottom of each supporting leg is fixedly provided with an iron sheet;
strong magnets are fixed at the bottom in the protective sleeve;
the bottom in the protective sleeve is fixed with a strong magnet which is respectively used for being matched with an iron sheet arranged at the bottom of the supporting leg.
4. The stacked, extended fiber distribution frame of claim 1, 2 or 3, wherein:
the top laminated connection structure of the optical fiber distribution box comprises a first annular insertion groove arranged on the top end surface of the optical fiber distribution box and a first annular strong magnet fixed on the bottom wall of an inner groove of the first annular insertion groove;
the top laminated connection structure of the optical fiber distribution flash tank comprises a second annular splicing groove arranged on the top end surface of the optical fiber distribution flash tank and a second annular strong magnet fixed on the bottom wall of an inner groove of the second annular splicing groove;
the bottom laminated connection structure of the optical fiber distribution flash tank comprises a first annular insertion plate vertically fixed at the bottom of the optical fiber distribution flash tank and an annular iron sheet fixed on the lower end surface of the first annular insertion plate;
the bottom laminated connection structure of the heat dissipation box comprises a second annular insertion plate vertically fixed at the bottom of the heat dissipation box and an annular iron sheet fixed on the lower end face of the second annular insertion plate;
the first annular plugboard at the bottom of the optical fiber distribution flash tank is used for being in splicing fit with the first annular plugboard on the top end face of the optical fiber distribution flash tank or the second annular plugboard on the top end face of the adjacent optical fiber distribution flash tank; the annular iron sheet is fixed on the lower end surface of a first annular insertion plate of the optical fiber distribution flash tank and is used for being matched with a first annular strong magnet in a first annular insertion groove of the optical fiber distribution flash tank or a second annular strong magnet in a second annular insertion groove of an adjacent optical fiber distribution flash tank in an attracting mode;
the second annular plug-in groove is formed in the top end face of the optical fiber distribution flash tank and used for being in plug-in fit with the second annular plug-in plate at the bottom of the heat dissipation tank or the first annular plug-in plate of the adjacent optical fiber distribution flash tank; the second annular strong magnet in the second annular inserting groove of the optical fiber distribution flash tank is used for being matched with an annular iron sheet on the lower end face of the second annular inserting plate of the heat dissipation tank or an annular iron sheet on the lower end face of the first annular inserting plate of the adjacent optical fiber distribution flash tank in an attracting mode;
the second annular plug board at the bottom of the heat dissipation box is used for being in plug fit with the second annular plug groove on the top end face of the adjacent optical fiber distribution expansion box or the first annular plug groove on the top end face of the optical fiber distribution box; and the annular iron sheet on the lower end surface of the second annular plug board is used for being matched with a second annular strong magnet in a second annular plug groove of the adjacent optical fiber distribution expansion tank or a first annular strong magnet in the first annular plug groove in an attracting mode.
5. The stacked, extended fiber distribution frame of claim 1, 2 or 3, wherein:
at least two hubs are respectively arranged in the optical fiber distribution box and the optical fiber distribution expansion box.
6. The stacked, extended fiber distribution frame of claim 1, wherein:
each wire collecting disc is rotatably arranged on the fixed shaft on which the wire collecting disc is arranged through a bearing.
7. The stacked, extended fiber distribution frame of claim 1, wherein:
each fixed shaft is provided with a rocking handle which is respectively positioned above each wire collecting disc on the fixed shaft, and each rocking handle comprises a cross rod and a vertical rod; one end of the cross bar is fixed on a sleeve, the sleeve is rotatably arranged on the corresponding fixed shaft through a bearing, and the cross bar is vertical to the corresponding fixed shaft; the top of the vertical rod is fixed at the other end of the cross rod, and the vertical rod is a telescopic rod;
the outer side wall of each wire collecting disc is provided with a threaded hole, each threaded hole is distributed along the radial direction of the wire collecting disc in which the threaded hole is located, and each threaded hole is provided with a limiting assembly;
the limiting assembly comprises a limiting rod and a screw fixed on the limiting rod, and a limiting hole used for enabling the vertical rod of the rocking handle to pass through in a sliding mode is formed in the limiting rod; and the screw rod of the limiting assembly is in threaded fit with the threaded hole in the outer side wall of the line concentration disc.
8. The stacked, extended fiber distribution frame of claim 7, wherein:
each rocking handle is provided with a locking mechanism.
9. The stacked, extended fiber distribution frame of claim 8, wherein:
the locking mechanism comprises a locking rod and a locking hole arranged at the top of the fixed shaft, the cross section of the locking hole is a polygonal ring, one end of the locking rod is fixed on a cross rod of the rocking handle corresponding to the locking rod, the other end of the locking rod is provided with a positioning hole and a stopping rod capable of sliding in the positioning hole, the positioning hole is positioned right above the locking hole, and the stopping rod is matched with the locking hole for use; the stop rod is provided with a first stop hole and a second stop hole, and the first stop hole and the second stop hole are sequentially distributed along the length direction of the stop rod;
the locking rod is provided with a third stopping hole for stopping the stopping rod in the vertical direction, and the third stopping hole is provided with a positioning pin which is matched with the third stopping hole and the first stopping hole or the second stopping hole;
when the positioning pin is inserted into the first stopping hole and the third stopping hole, the locking rod is positioned above the corresponding fixed shaft; when the positioning pin is inserted into the second stopping hole and the third stopping hole, the lower end of the locking rod is positioned in the locking hole of the corresponding fixed shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069978.6A CN109557629B (en) | 2019-01-24 | 2019-01-24 | Stacked extension type optical fiber distribution frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069978.6A CN109557629B (en) | 2019-01-24 | 2019-01-24 | Stacked extension type optical fiber distribution frame |
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| CN109557629A CN109557629A (en) | 2019-04-02 |
| CN109557629B true CN109557629B (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910069978.6A Active CN109557629B (en) | 2019-01-24 | 2019-01-24 | Stacked extension type optical fiber distribution frame |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110632725A (en) * | 2019-11-06 | 2019-12-31 | 四川天邑康和通信股份有限公司 | Large-capacity optical cable cross-connecting box with longitudinal capacity expansion and no need of disassembly |
| CN111781691B (en) * | 2020-08-03 | 2022-04-19 | 北京航天情报与信息研究所 | Intelligent optical fiber distribution frame |
| CN113885152A (en) * | 2021-10-29 | 2022-01-04 | 国网山东省电力公司临沂供电公司 | Active flash chamber of optical cable |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2198549A (en) * | 1986-12-12 | 1988-06-15 | Telephone Cables Ltd | Optical fibre distribution frame |
| CN203025393U (en) * | 2012-06-01 | 2013-06-26 | 深圳市科信通信技术股份有限公司 | Optical fiber main distribution frame |
| CN102928937B (en) * | 2012-10-30 | 2015-04-22 | 芜湖睿尔科技有限公司 | Combined type optical cable fiber distribution box |
| CN203101693U (en) * | 2013-01-15 | 2013-07-31 | 德特威勒电缆系统(上海)有限公司 | Extensible-type optical fiber distribution frame |
| CN203084258U (en) * | 2013-01-24 | 2013-07-24 | 深圳市科信通信技术股份有限公司 | Optical fiber main distribution frame |
| CN203217128U (en) * | 2013-03-28 | 2013-09-25 | 江苏银河电子股份有限公司 | Optical fiber main distribution frame |
| CN208207302U (en) * | 2018-05-15 | 2018-12-07 | 河南大林橡胶通信器材有限公司 | A kind of fibre distribution frame of expanded type |
| CN208125986U (en) * | 2018-05-21 | 2018-11-20 | 烽火通信科技股份有限公司 | A kind of main distribution frame for fiber |
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