CN107121728B - General optical fiber fusion splice tray - Google Patents
General optical fiber fusion splice tray Download PDFInfo
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- CN107121728B CN107121728B CN201710516698.6A CN201710516698A CN107121728B CN 107121728 B CN107121728 B CN 107121728B CN 201710516698 A CN201710516698 A CN 201710516698A CN 107121728 B CN107121728 B CN 107121728B
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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
- G02B6/24—Coupling light guides
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2555—Alignment or adjustment devices for aligning prior to splicing
- G02B6/2556—Alignment or adjustment devices for aligning prior to splicing including a fibre supporting member inclined to the bottom surface of the alignment means
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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
- G02B6/24—Coupling light guides
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2558—Reinforcement of splice joint
Abstract
The invention relates to a general optical fiber fusion splice tray, which comprises a fusion splice base tray and a cover plate, wherein the fusion splice base tray comprises an integrated bottom plate and wall plates around the bottom plate, the bottom plate is provided with an outer partition plate, an inner partition plate and an optical fiber fusion splice protection area formed between the outer partition plate and the inner partition plate on the inner sides of a front wall plate and a rear wall plate, and redundant optical fiber storage areas are formed between each side partition plate and a corresponding side wall plate and between each outer partition plate and a corresponding front wall plate and a corresponding rear wall plate; the bunched optical cable fusion chip and the ribbon optical cable fusion chip are detachably mounted at the corresponding optical fiber fusion protection area, and movable elastic pressing blocks are arranged on the two sides of the bunched optical cable fusion chip or/and the two sides of the ribbon optical cable fusion chip on the bottom plate. The invention can meet the fusion protection and storage of the bunched and banded optical cables at the same time, can protect the fusion point of each core optical fiber with the movable clamping groove area, has reasonable structure, can improve the number of optical cable fusion protection circuits in limited space, is convenient to maintain and operate, and can keep the route clear.
Description
Technical Field
The invention relates to a universal optical fiber fusion splice tray, and belongs to the technical field of outdoor optical cable wiring.
Background
With the rapid development of the current global information technology, the demand of people for bandwidth is increasing day by day, and with the deployment of 4G and high-speed optical fiber networks, the optical communication market also meets a new market opportunity. China has become an important market for fiber optic cables worldwide, driven by multiple demands, technologies, markets, and policies. More than half of the optical fiber cables are produced and sold in China, China becomes a manufacturing center and a marketing center of the global optical fiber cable industry, and the optical fiber cables will also become research and development centers and consultation and service centers in the future.
With the development of internet and cloud computing, the optical communication technology plays an increasingly important platform role in the industrial informatization process, and the country successively puts forward macro measures such as broadband China, speed and cost reduction and the like, but the early optical cable cannot adapt to transmission systems with 100G, 400G and even larger capacity. The policies of speed increase, cost reduction, broadband China and the like further force operators to tighten up the upgrade work of the backbone optical fiber network. In addition to replacing aged fiber optic cables, the increasing traffic will also facilitate the construction of backbone networks, and will require the creation and replacement of more trunk fiber optic cables in the future.
The outdoor optical cable distribution products, such as an optical cable joint box and an outdoor optical cable cross connecting cabinet, are optical communication terminal equipment widely applied to optical fiber fusion, distribution, dispatching and testing among optical cables of an optical fiber access network, are hubs for signal transmission, dispatching and conversion among optical signal transceiving equipment, and have functions of dispatching and switching of optical signals and the like. And the existing optical fiber splice tray that is used for optical cable splice box and outdoor optical cable distributing box mainly comprises butt fusion base disc and apron, and has one or two butt fusion chips in the butt fusion base disc, and the butt fusion chip generally uses six cores, twelve cores to constitute six core butt fusion chips or twelve core butt fusion chips respectively as the unit, fixes a plurality of butt fusion baffles on each butt fusion chip, for the draw-in groove of placing optic fibre between two liang of butt fusion baffles, during the butt fusion operation, draw-in groove between two liang of butt fusion baffles clamps a core optic fibre usually. For the 12-core or more than 12-core fusion spliced chips, one is to stack the fusion spliced optical fibers in the clamping grooves, and such a stacking manner brings great inconvenience to the maintenance operation after the fusion spliced chips. The other is to increase the area of the fusion splicing chips to increase the number of fusion splicing partition plates, although the maintenance operation can be simplified, the occupied area is large, and the fusion splicing protection and storage of multi-core optical fibers cannot be met because the number of optical cable fusion splicing protection circuits is limited and the unit equipment capacity cannot be further improved.
Disclosure of Invention
The invention aims to provide a general optical fiber fusion splice tray which can simultaneously meet fusion splice protection and storage of bunched and ribbon optical cables, can protect fusion splice points of each core optical fiber in a movable clamping groove area, has a reasonable structure, can improve the number of optical cable fusion splice protection circuits in a limited space, is convenient to maintain and operate, and can keep clear routes.
The technical scheme for achieving the aim of the invention is as follows: the utility model provides a general fine splice tray of optical fiber, includes butt fusion base plate and apron, the butt fusion base plate include integrative bottom plate and bottom plate wallboard all around, the apron articulates on the back wallboard of butt fusion base plate, the side wall board on butt fusion base plate left and right side and the top of preceding wallboard and back wallboard are equipped with outer fender fine board, the both sides wallboard is equipped with breach, its characterized in that in the front and back side: the bottom plate is provided with a side partition plate on the inner side of the side wall plate, the top of the side partition plate is provided with an inner fiber baffle plate facing one side of the side wall plate, the bottom plate is provided with an outer partition plate, an inner partition plate and an optical fiber welding protection area formed between the outer partition plate and the inner partition plate on the inner sides of the front wall plate and the rear wall plate, and redundant optical fiber storage areas are formed between each side partition plate and the corresponding side wall plate and between each outer partition plate and the corresponding front wall plate and the corresponding rear wall plate; the bundle-shaped optical cable fusion chip and the ribbon-shaped optical cable fusion chip are detachably arranged at the corresponding optical fiber fusion protection area, and movable elastic pressing blocks used for limiting and protecting fusion optical fibers are arranged on the two sides of the bundle-shaped optical cable fusion chip or/and the two sides of the ribbon-shaped optical cable fusion chip on the bottom plate;
the bundled optical cable fusion welding chip comprises a first U-shaped base and a plurality of vertically arranged first partition plates arranged on the first U-shaped base, and two first elastic clamping blocks at the bottom of the first U-shaped base are clamped in a bayonet of one optical fiber fusion welding protection area of the base plate; each first partition board is arranged in an arc shape, at least two first partition notches penetrating through the side faces are formed in the two side portions of each first partition board in the height direction, the first partition boards are divided into at least three first movable clamping groove areas in the height direction, and first limiting grooves used for limiting the fusion-spliced optical fibers are formed in the two side portions of each first movable clamping groove area of each first partition board;
ribbon optical cable fusion splice chip include second U-shaped base and a plurality of second subregion baffles of erectting the putting of setting on second U-shaped base, two second elasticity fixture block joints of second U-shaped base bottom are on the bayonet socket of another optical fiber fusion splice protection zone of bottom plate, each second subregion baffle is the arc and arranges the setting, the second subregion baffle is equipped with at least one second that link up the side along direction of height portion and cuts off the notch in both sides portion, and divide into two at least second activity draw-in groove districts with the second subregion baffle along direction of height, and the second subregion baffle is equipped with in the both sides portion of each second activity draw-in groove district and is used for the spacing second spacing groove to the fusion splice optic fibre.
Wherein: the back wallboard upper portion both sides of butt fusion foundation disk are equipped with integrative pivot cover, and two pivot settings that the apron rear side corresponds are in the pivot cover of butt fusion foundation disk and can rotate along pivot cover center, and the butt fusion foundation disk is equipped with the elastic joint mouth in the front of wallboard middle part, and the apron front portion is equipped with decurrent fixed joint and buckles, and the fixed joint who laps when apron and butt fusion foundation disk upper surface coincide buckles the fixed joint on detains the card and goes into in the elastic joint mouth of butt fusion foundation disk.
The bottom plate of the welding base plate is provided with at least one optical fiber route fixing hole at each notch, and the bottom plate is provided with a convex ring edge at the periphery of the optical fiber welding protection area.
And convex ribs for pressing the movable elastic pressing block are arranged on the two sides of the bottom surface of the cover plate.
The middle part of a first partition plate of the bundled optical cable fusion chip is connected with the bottom surface of the first U-shaped base, bottom notches are formed between two sides of the bottom surface of the first partition plate and the bottom surface of the first U-shaped base, first arc-shaped flanges are arranged at two ends of each first partition plate, convex ribs with curvature radiuses smaller than those of the first arc-shaped flanges are arranged on the inner sides of the first arc-shaped flanges, and first limiting grooves of each first movable clamping groove area penetrate through the first arc-shaped flanges.
The middle part of a second partition board of the ribbon optical cable fusion chip is connected with the bottom surface of the second U-shaped base, bottom notches are formed between the two sides of the bottom of the second partition board and the bottom surface of the second U-shaped base, second arc-shaped flanges are arranged at the two ends of each second partition board, convex ribs with curvature radiuses smaller than those of the second arc-shaped flanges are arranged on the inner sides of the second arc-shaped flanges, and second limiting grooves of each second movable clamping groove area penetrate through the second arc-shaped flanges.
The first limiting groove on the bunched optical cable fusion chip and the second limiting groove on the ribbon optical cable fusion chip are V-shaped limiting grooves or arc-shaped limiting grooves.
The first elastic clamping block on the first U-shaped base and the second elastic clamping block on the second U-shaped base are barb clamping blocks, the bottoms of the barb clamping blocks are provided with arc-shaped guide surfaces, and the tops of the barb clamping blocks are planes.
And the upper parts of the side wall plates on the left side and the right side of the welding base plate are provided with outward extending slot rib plates, and the slot rib plates are provided with stop blocks for isolation.
The invention discloses a welding base plate of a general optical fiber welding plate, which is divided into redundant optical fiber storage areas by side partition plates, outer partition plates and peripheral wall plates, wherein optical fiber welding protection areas can be formed among the outer partition plates, the inner partition plates and the outer partition plates and the inner partition plates, a bundled optical cable welding chip and a ribbon optical cable welding chip are detachably arranged at the corresponding optical fiber welding protection areas, the welding chips are changed into separate types, and the welding base plate can be flexibly configured to be suitable for the welding of ribbon or bundled optical cables. The invention relates to a bundle-shaped optical cable fusion chip which adopts a first U-shaped base and a plurality of vertically arranged first partition boards arranged on the first U-shaped base, wherein fusion optical fibers are partitioned by the first partition boards, the first partition boards are arranged in an arc shape, and at least two partition notches penetrating through the side surfaces are arranged at two side parts along the height direction, so that one first partition board can be divided into more than three first movable clamping groove areas, two side parts of each first movable clamping groove area are provided with first limiting grooves for limiting the fusion optical fibers, the bundle-shaped optical fibers can be sequentially clamped into the respective limiting grooves after fusion, similarly, the bundle-shaped optical cable fusion chip also adopts a second U-shaped base and a plurality of vertically arranged second partition boards arranged on the second U-shaped base, the second partition boards arranged in an arc shape are provided with at least one second partition notch penetrating through the side surfaces at two side parts along the height direction, the second partition board is also divided into at least two second movable clamping groove areas along the height direction, two side parts of each second movable clamping groove area are provided with second limiting grooves used for limiting the fusion spliced optical fibers, the banded optical fibers can be sequentially clamped into the respective second limiting grooves after fusion splicing, independent spaces are arranged in the height direction and the horizontal direction, the fusion spliced optical fibers cannot be influenced mutually, three-dimensional protection and storage of the fusion spliced optical fibers can be realized, the optical fibers clamped later cannot influence the fixation of the original optical fibers, the maintenance and operation are convenient, the routing routes are clear, the quantity can be increased according to the actual needs of users, and the expansion is convenient.
The optical fiber fusion splice tray can improve partition plates of each partition of a fusion splice chip under the existing size, has a reasonable structure, can improve the number of optical cable fusion protective circuits in a limited space, improve the capacity of unit equipment, effectively improve the protective performance of optical cable fusion, ensure the quality of optical cable fusion ends and circuits, and ensure the safety of equipment, thereby improving the quality of the whole optical cable transmission line, reducing the fault rate of a transmission pipeline, facilitating the continuous accumulation of infrastructure resources, continuously enhancing the capacity of a basic network, providing guarantee for the conversion from mobile communication operation to full-service operation, and further improving and ensuring the high-speed growth of optical communication services.
Drawings
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Fig. 1 is a perspective view of a generic optical fiber splice tray of the present invention.
Fig. 2 is a schematic front view of the universal optical fiber splice tray of the present invention.
Fig. 3 is a schematic view of the structure in the direction a of fig. 2.
Fig. 4 is a schematic structural diagram of the universal optical fiber splice tray of the present invention when opened.
FIG. 5 is a schematic view of the construction of the fusion splice tray of the present invention.
Fig. 6 is a schematic structural view of the fusion spliced core for a bundle optical cable according to the present invention.
Fig. 7 is a schematic top view of the fusion spliced core for bundle optical cables according to the present invention.
Fig. 8 is a side view schematic of the structure of fig. 7.
FIG. 9 is a schematic view of a fusion-spliced chip for a ribbon cable according to the present invention.
FIG. 10 is a schematic top view of a fusion splice chip for ribbon cables according to the present invention.
Fig. 11 is a side view schematic of the structure of fig. 10.
Fig. 12 is a schematic view of the fiber routing of the general optical fiber splice tray of the present invention.
Wherein: 1-welding base plate, 1-rotating shaft sleeve, 1-2-rear wall plate, 1-3-bottom plate, 1-4-side wall plate, 1-5-gap, 1-6-front wall plate, 1-7-elastic clamping interface, 1-8-outer fiber baffle plate, 1-9-inner fiber baffle plate, 1-10-side baffle plate, 1-11-optical fiber route fixing hole, 1-12-outer baffle plate, 1-13-inner baffle plate, 1-14-bayonet, 1-15-convex ring edge, 2-cover plate, 2-1-rotating shaft, 2-fixed clamping buckle, 2-3-convex rib, 3-bundle optical cable welding chip, 3-1-first U-shaped base, 3-2-first partition baffle plate, 3-first partition notch, 3-4-first elastic clamping block, 3-5 parts of a first movable clamping groove area, 3-6 parts of a first limiting groove, 3-7 parts of a first arc-shaped flange, 4 parts of a ribbon optical cable fusion chip, 4-1 parts of a second U-shaped base, 4-2 parts of a second partition plate, 4-3 parts of a second partition notch and 4-4 parts of a second elastic clamping block; 4-5-second movable clamping groove area, 4-6-second limiting groove, 5-movable elastic pressing block and 6-leading-in optical fiber.
Detailed Description
As shown in fig. 1-5, the general optical fiber fusion splice tray comprises a fusion splice base tray 1 and a cover plate 2, wherein the fusion splice base tray 1 comprises a base plate 1-3 and wall plates around the base plate 1-3, the cover plate 2 is hinged to a rear wall plate 1-2 of the fusion splice base tray 1, and fusion fibers in the fusion splice base tray 1 are protected by the cover plate 2. As shown in figures 1-5, two sides of the upper part of a rear wall plate 1-2 of the welding base disc 1 are provided with an integrated rotating shaft sleeve 1-1, two corresponding rotating shafts 2-1 at the rear side of a cover plate 2 are arranged in the rotating shaft sleeve 1-1 of the welding base disc 1 and can rotate along the center of the rotating shaft sleeve 1-1, the cover plate 2 can also be provided with the rotating shaft sleeve, and the welding base disc 1 is provided with the rotating shafts to realize hinging. In order to conveniently and reliably connect the buckled cover plate 2 with the welding base plate 1 and have very convenient operation, the welding base plate 1 is provided with an elastic clamping opening 1-7 in the middle of a front wall plate 1-6, as shown in figure 5, the elastic clamping opening 1-7 adopts a groove and a support column arranged in the groove, the middle part of the support column is provided with a vertical groove, the outer side of the top part of the support column is provided with a convex arc, the front part of the cover plate 2 is provided with a downward fixed clamping buckle 2-2, the fixed clamping buckle 2-2 is provided with an arc-shaped notch, the fixed clamping buckle 2-2 on the cover plate 2 is clamped into the elastic clamping opening 1-7 of the welding base plate 1 when the cover plate 2 is superposed with the upper surface of the welding base plate 1, the cover plate 2 can be conveniently clamped on the welding base plate 1 through the fixed clamping buckle 2-2 which is arranged in the groove of the elastic clamping opening 1-7, and the cover plate 2 can be conveniently opened, and the maintenance and the operation are convenient.
As shown in fig. 1-5, the top of the side wall plate 1-4 on the left and right sides of the welding base plate 1, the top of the front wall plate 1-6 and the top of the rear wall plate 1-2 are provided with outer fiber baffle plates 1-8, the front and rear side of the two side wall plates 1-4 are provided with notches 1-5, the introduced optical fiber 6 can pass through the notches 1-5 on the two side wall plates 1-4, the bottom plate 1-3 of the welding base plate 1 is provided with at least one optical fiber route fixing hole 1-11 on each notch 1-5, as shown in fig. 4 and 5, each notch 1-5 is provided with two optical fiber route fixing holes 1-11, and the introduced optical fiber 6 is fixed through binding wires and the like. The invention can also be provided with the slot ribbed plate which extends outwards on the upper part of the side wall plate 1-4 on the left and right sides of the welding base plate 1, and the slot ribbed plate is provided with the stop block for isolation, thereby being convenient for installing the universal optical fiber welding plate.
As shown in figures 1-5, a bottom plate 1-3 of the invention is provided with side partition plates 1-10 at the inner sides of side wall plates 1-4, the top of the side partition plate 1-10 is provided with an inner fiber baffle plate 1-9 facing one side of the side wall plates 1-4, the bottom plate 1-3 is provided with an outer partition plate 1-12 at the inner sides of a front wall plate 1-6 and a rear wall plate 1-2, the inner partition plate 1-13 and an optical fiber fusion welding protection area formed between the outer partition plate 1-12 and the inner partition plate 1-13, the optical fiber fusion welding protection area is a sinking structure, as shown in figures 4 and 5, the bottom plate 1-3 of the invention is provided with a convex ring edge 1-15 at the periphery of the optical fiber fusion welding protection area for limiting the base of a fusion welding chip for convenient installation, the bottom plate 1-3 is provided with two bayonets 1-14, each side partition plate 1-10 and the corresponding side wall plate 1-4 and each Redundant optical fiber storage areas are formed between the wall plates 1-2, the welding base plate 1 is divided into two functional areas, and redundant optical fibers are wound between the side partition plates 1-10 and the outer partition plates 1-12 and the wall plates on the periphery and are limited by the outer fiber baffle plates 1-8 and the inner fiber baffle plates 1-9 for storage.
As shown in fig. 4, 5 and 12, the bundle fusion spliced chip 3 and the ribbon fusion spliced chip 4 of the invention can be detachably installed at the corresponding fusion splicing protection area of the optical fiber, the invention changes the fusion spliced chips into a separate type, so that the invention can be flexibly configured to be suitable for the fusion splicing of ribbon or bundle optical cables, the movable elastic pressing blocks 5 for limiting and protecting the fusion spliced optical fiber are arranged on the two sides of the bundle fusion spliced chip 3 or/and the two sides of the ribbon fusion spliced chip 4 on the bottom plates 1-3, the movable elastic pressing blocks 5 adopt a sponge body structure, for example, a sponge body with the cross section size of 10mm multiplied by 10mm and the length of 30mm can be adopted, the part outside the fusion spliced chip after the optical fiber fusion is pressed by the movable elastic pressing blocks 5, so that the optical fiber does not move in the disc and is not wound, and the convex ribs 2-3 for pressing the movable elastic pressing blocks 5 are arranged on the, so that the movable elastic pressing block 5 cannot move.
As shown in the figures 5-8, the bundled optical cable fusion-spliced chip 3 comprises a first U-shaped base 3-1 and a plurality of vertically arranged first partition boards 3-2 arranged on the first U-shaped base 3-1, two first elastic clamping blocks 3-4 at the bottom of the first U-shaped base 3-1 are clamped in bayonets 1-14 of one optical fiber fusion-spliced protection area of the base board 1-3, the base adopts a U-shaped structure and has better mechanical performance, the influence on fusion-spliced optical fibers in the fusion-spliced chip is not easy to influence, the first elastic clamping blocks 3-4 on the first U-shaped base 3-1 are barb clamping blocks with arc-shaped guide surfaces at the bottom and planar tops, and the bundled optical cable fusion-spliced chip 3 is pressed into the optical fiber fusion-spliced protection area of the fusion-spliced base board 1 from top to bottom to realize connection. As shown in figures 5-8, each first partition plate 3-2 of the invention is arranged in an arc shape, each first partition plate 3-2 is provided with at least two first partition notches 3-3 penetrating through the side surfaces at two side parts along the height direction, and the first partition plate 3-2 is divided into at least three first movable clamping groove areas 3-5 along the height direction, the middle parts of the first partition notches 3-3 are not communicated, 3-8 first partition notches 3-3 on the first partition plate 3-2 can be arranged to form a plurality of first movable clamping groove areas 3-5, even more first partition notches 3-3 are arranged to form more first movable clamping groove areas 3-5, the first partition plate 3-2 is provided with first limiting grooves 3-6 for limiting the fused optical fiber at two side parts of each first movable clamping groove area 3-5, the first limiting grooves 3-6 on the bundled optical cable fusion-spliced chip 3 are V-shaped limiting grooves or arc-shaped limiting grooves, the bundled optical cable is sequentially clamped into the first limiting grooves 3-6 of the first movable clamping groove areas 3-5 from bottom to top after fusion splicing, each core optical fiber has independent space and does not influence each other, the fusion-spliced optical fibers clamped in the rear cannot influence the fixation of the original fusion-spliced optical fibers, and the ordered fusion-spliced protection and storage of the multi-core optical fibers by one partition plate can be realized.
As shown in the figures 5-8, the middle part of a first partition plate 3-2 of the bundled optical cable fusion chip 3 is connected with the bottom surface of a first U-shaped base 3-1, a bottom notch is arranged between two sides of the bottom surface of the first partition plate 3-2 and the bottom surface of the first U-shaped base 3-1, two ends of each first partition plate 3-2 are provided with first arc-shaped flanges 3-7, the inner side of each first arc-shaped flange 3-7 is provided with a convex rib with the curvature radius smaller than that of each first arc-shaped flange 3-7, a first limiting groove 3-6 of each first movable clamping groove area 3-5 penetrates through each first arc-shaped flange 3-7, the contact area of fusion optical fibers can be increased in a limited space, and the strength of the first partition plate 3-2 is also increased.
As shown in the figures 5 and 9-11, the ribbon optical cable fusion-spliced chip 4 comprises a second U-shaped base 4-1 and a plurality of vertically arranged second partition boards 4-2 arranged on the second U-shaped base 4-1, two second elastic clamping blocks 4-4 at the bottom of the second U-shaped base 4-1 are clamped on bayonets 1-14 of the other optical fiber fusion-spliced protection area of the base plate 1-3, the second elastic clamping blocks 4-4 on the second U-shaped base 4-1 are barb clamping blocks with arc-shaped guide surfaces at the bottoms and planes at the tops, and the ribbon optical cable fusion-spliced chip 4 is pressed into the other optical fiber fusion-spliced protection area of the fusion-spliced base plate 1 from top to bottom to realize connection. As shown in figures 5 and 9-11, each second partition plate 4-2 is arranged in an arc shape, the second partition plate 4-2 is provided with at least one second partition notch 4-3 penetrating through the side surfaces at two sides along the height direction, the second partition plate 4-2 is divided into at least two second movable clamping groove areas 4-5 along the height direction, the second partition plate 4-2 of the invention can also be provided with a plurality of second partition notches 4-3 to form more second movable clamping groove areas 4-5, the second partition plate 4-2 is provided with second limiting grooves 4-6 for limiting the fusion spliced optical fiber at two sides of each second movable clamping groove area 4-5, the second limiting grooves 4-6 on the fusion spliced chip 4 of the ribbon optical cable are V-shaped limiting grooves or arc-shaped limiting grooves, and the ribbon optical cable can be sequentially clamped into the second limiting grooves 4-5 from bottom to top after fusion spliced In the grooves 4-6, because each core optical fiber has an independent space and does not influence each other, the fusion spliced optical fibers clamped in the rear can not influence the fixation of the original fusion spliced optical fibers, and the ordered fusion splicing protection and storage of the multi-core optical fibers can be realized by one partition plate.
As shown in the figures 5, 9-11, the middle part of a second partition plate 4-2 of the ribbon optical cable fusion chip 4 is connected with the bottom surface of a second U-shaped base 4-1, a bottom notch is arranged between two sides of the bottom of the second partition plate 4-2 and the bottom surface of the second U-shaped base 4-1, two ends of each second partition plate 4-2 are provided with second arc-shaped flanges 4-7, the inner side of each second arc-shaped flange 4-7 is provided with a convex rib with the curvature radius smaller than that of the second arc-shaped flange 4-7, a second limiting groove 4-6 of each second movable clamping groove area 4-5 penetrates through the second arc-shaped flange 4-7, the contact area of fusion optical fibers can be increased in a limited space, and the strength of the second partition plate 4-2 is also increased.
As shown in figure 12, the leading-in optical fiber 6 enters the welding base disc 1 from the gap 1-5 and is stored in the welding base disc 1 along the surrounding wall plates, then the optical fiber enters the banded welding chip 4 or the bundled welding chip 3, the optical fiber core is respectively clamped into the limiting grooves of the corresponding movable clamping groove areas after being fused, the optical fiber outside the welding chip is pressed by the movable elastic pressing block 5, and then the cover plate 2 is closed and is clamped with the welding base disc 1 to finish the operation.
Claims (8)
1. The utility model provides a general type optical fiber splice tray, includes butt fusion base plate (1) and apron (2), butt fusion base plate (1) including integrative bottom plate (1-3) and bottom plate (1-3) wallboard all around, apron (2) articulate on back wallboard (1-2) of butt fusion base plate (1), the top of side wallboard (1-4) and preceding wallboard (1-6) and back wallboard (1-2) on butt fusion base plate (1) left and right sides is equipped with outer fender fine board (1-8), both sides wallboard (1-4) are equipped with breach (1-5) in the front and back side, its characterized in that: the bottom plate (1-3) is provided with side partition plates (1-10) on the inner sides of the side wall plates (1-4), the top parts of the side partition plates (1-10) are provided with inner fiber baffle plates (1-9) facing one sides of the side wall plates (1-4), the bottom plate (1-3) is provided with outer partition plates (1-12) and inner partition plates (1-13) on the inner sides of the front wall plates (1-6) and the rear wall plates (1-2) and an optical fiber fusion protection area formed between the outer partition plates (1-12) and the inner partition plates (1-13), and redundant optical fiber storage areas are formed between each side partition plate (1-10) and the corresponding side wall plate (1-4) and between each outer partition plate (1-12) and the corresponding front wall plate (1-6) and the rear wall plate (1-2); the bundle-shaped optical cable fusion chip (3) and the ribbon-shaped optical cable fusion chip (4) are detachably mounted at corresponding optical fiber fusion protection areas, movable elastic pressing blocks (5) used for limiting and protecting fusion optical fibers are arranged on the two sides of the bundle-shaped optical cable fusion chip (3) or/and the two sides of the ribbon-shaped optical cable fusion chip (4) on the bottom plates (1-3), and convex ribs (2-3) used for pressing the movable elastic pressing blocks (5) are arranged on the two sides of the bottom surface of the cover plate (2);
the bundled optical cable fusion welding chip (3) comprises a first U-shaped base (3-1) and a plurality of vertically arranged first partition boards (3-2) arranged on the first U-shaped base (3-1), wherein two first elastic clamping blocks (3-4) at the bottom of the first U-shaped base (3-1) are clamped in bayonets (1-14) of one optical fiber fusion welding protection area of the bottom plate (1-3); each first partition board (3-2) is arranged in an arc shape, at least two first partition notches (3-3) penetrating through the side surfaces are formed in the two side parts of each first partition board (3-2) along the height direction, the first partition boards (3-2) are divided into at least three first movable clamping groove areas (3-5) along the height direction, and first limiting grooves (3-6) used for limiting the fusion spliced optical fibers are formed in the two side parts of each first movable clamping groove area (3-5) of each first partition board (3-2);
the ribbon optical cable fusion chip (4) comprises a second U-shaped base (4-1) and a plurality of vertically arranged second partition boards (4-2) arranged on the second U-shaped base (4-1), two second elastic clamping blocks (4-4) at the bottom of the second U-shaped base (4-1) are connected to bayonets (1-14) of another optical fiber fusion protection area of the base plate (1-3) in a clamping mode, the second partition boards (4-2) are arranged in an arc mode, at least one second partition notch (4-3) penetrating through the side face is arranged on two sides of each second partition board (4-2) in the height direction, the second partition boards (4-2) are divided into at least two second movable clamping groove areas (4-5) in the height direction, and the second partition boards (4-2) are provided with second partition notches (4-5) used for limiting the fusion-spliced optical fibers at two sides of each second movable clamping groove area (4-5) A limiting groove (4-6).
2. The universal optical fiber fusion splice tray of claim 1, wherein: the welding base plate is characterized in that two sides of the upper portion of a rear wall plate (1-2) of the welding base plate (1) are provided with an integrated rotating shaft sleeve (1-1), two rotating shafts (2-1) corresponding to the rear side of the cover plate (2) are arranged in the rotating shaft sleeve (1-1) of the welding base plate (1) and can rotate along the center of the rotating shaft sleeve (1-1), an elastic joint port (1-7) is formed in the middle of the front wall plate (1-6) of the welding base plate (1), a downward fixed joint buckle (2-2) is arranged at the front portion of the cover plate (2), and the fixed joint buckle (2-2) on the cover plate (2) is clamped into the elastic joint port (1-7) of the welding base plate (1) when the upper surface of the cover plate (2) is coincident with the upper surface of.
3. The universal optical fiber fusion splice tray of claim 1, wherein: the welding base plate (1) is characterized in that at least one optical fiber routing fixing hole (1-11) is formed in each notch (1-5) of a bottom plate (1-3) of the welding base plate (1), and a convex ring edge (1-15) is arranged on the periphery of the bottom plate (1-3) in an optical fiber welding protection area.
4. The universal optical fiber fusion splice tray of claim 1, wherein: the middle of a first partition plate (3-2) of the bundled optical cable fusion chip (3) is connected with the bottom surface of a first U-shaped base (3-1), a bottom notch is formed between two sides of the bottom surface of the first partition plate (3-2) and the bottom surface of the first U-shaped base (3-1), first arc-shaped flanges (3-7) are arranged at two ends of each first partition plate (3-2), a convex rib with the curvature radius smaller than that of each first arc-shaped flange (3-7) is arranged on the inner sides of the first arc-shaped flanges (3-7), and first limiting grooves (3-6) of each first movable clamping groove area (3-5) penetrate through the first arc-shaped flanges (3-7).
5. The universal optical fiber fusion splice tray of claim 1, wherein: the middle of a second partition plate (4-2) of the ribbon optical cable fusion chip (4) is connected with the bottom surface of a second U-shaped base (4-1), a bottom notch is formed between two sides of the bottom of the second partition plate (4-2) and the bottom surface of the second U-shaped base (4-1), second arc-shaped flanges (4-7) are arranged at two ends of each second partition plate (4-2), convex ribs with curvature radiuses smaller than those of the second arc-shaped flanges (4-7) are arranged on the inner sides of the second arc-shaped flanges (4-7), and second limiting grooves (4-6) of each second movable clamping groove area (4-5) penetrate through the second arc-shaped flanges (4-7).
6. The universal optical fiber fusion splice tray of claim 1, wherein: the first limiting groove (3-6) on the bunched optical cable fusion chip (3) and the second limiting groove (4-6) on the ribbon optical cable fusion chip (4) are V-shaped limiting grooves or arc-shaped limiting grooves.
7. The universal optical fiber fusion splice tray of claim 1, wherein: the first elastic clamping block (3-4) on the first U-shaped base (3-1) and the second elastic clamping block (4-4) on the second U-shaped base (4-1) are barb clamping blocks with arc-shaped guide surfaces at the bottoms and flat tops.
8. The universal optical fiber fusion splice tray of claim 1, wherein: the upper parts of the side wall plates (1-4) on the left side and the right side of the welding base plate (1) are provided with outward extending slot rib plates, and stop blocks for isolation are arranged on the slot rib plates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710516698.6A CN107121728B (en) | 2017-06-29 | 2017-06-29 | General optical fiber fusion splice tray |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710516698.6A CN107121728B (en) | 2017-06-29 | 2017-06-29 | General optical fiber fusion splice tray |
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| CN107121728A CN107121728A (en) | 2017-09-01 |
| CN107121728B true CN107121728B (en) | 2020-04-17 |
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| CN201710516698.6A Active CN107121728B (en) | 2017-06-29 | 2017-06-29 | General optical fiber fusion splice tray |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109541769A (en) * | 2018-12-12 | 2019-03-29 | 法尔胜泓昇集团有限公司 | A kind of strain optical cable redundancy protecting disk and its application method |
| EP4332649A1 (en) * | 2021-04-30 | 2024-03-06 | Huawei Technologies Co., Ltd. | Fiber splice tray and fiber management system |
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