WO2010139243A1 - 一种光纤冷接续子 - Google Patents

一种光纤冷接续子 Download PDF

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Publication number
WO2010139243A1
WO2010139243A1 PCT/CN2010/073146 CN2010073146W WO2010139243A1 WO 2010139243 A1 WO2010139243 A1 WO 2010139243A1 CN 2010073146 W CN2010073146 W CN 2010073146W WO 2010139243 A1 WO2010139243 A1 WO 2010139243A1
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WO
WIPO (PCT)
Prior art keywords
block
fiber
groove
box
optical fiber
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Application number
PCT/CN2010/073146
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English (en)
French (fr)
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WO2010139243A8 (zh
Inventor
吕根良
黄金安
Original Assignee
江苏宇特光电科技优先公司
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Application filed by 江苏宇特光电科技优先公司 filed Critical 江苏宇特光电科技优先公司
Priority to JP2012513458A priority Critical patent/JP5464564B2/ja
Priority to AU2010256177A priority patent/AU2010256177B2/en
Priority to EP10782947.5A priority patent/EP2439568B1/en
Priority to US13/320,515 priority patent/US8523456B2/en
Priority to SG2011077757A priority patent/SG175329A1/en
Publication of WO2010139243A1 publication Critical patent/WO2010139243A1/zh
Publication of WO2010139243A8 publication Critical patent/WO2010139243A8/zh

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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
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3801—Permanent connections, i.e. wherein fibres are kept aligned by mechanical means
    • 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
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
    • G02B6/3888—Protection from over-extension or over-compression
    • 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
    • G02B6/36—Mechanical coupling means
    • G02B6/3628—Mechanical coupling means for mounting fibres to supporting carriers
    • G02B6/3648—Supporting carriers of a microbench type, i.e. with micromachined additional mechanical structures
    • G02B6/3652—Supporting carriers of a microbench type, i.e. with micromachined additional mechanical structures the additional structures being prepositioning mounting areas, allowing only movement in one dimension, e.g. grooves, trenches or vias in the microbench surface, i.e. self aligning supporting carriers

Definitions

  • the invention relates to a connecting device for fiber optic docking installation, in particular to an optical fiber cold junction continuation.
  • the cold junction sub-product for fiber optic docking mainly uses two ways to fix the fiber:
  • One is to fix the fiber by fixing two fiber ends by pressing the folded metal piece.
  • a V-shaped groove for fiber optic docking is provided in the folded metal piece; liquid substance is dropped at the end joint to improve light permeability; and the action of the pressing device is to reduce the folding metal by pressing the ⁇ type fixing block
  • the slits of the sheets thereby compress the fibers to effect the docking of the two fibers; the pigtails are simply placed in the holes formed by the device.
  • the other is to achieve fiber optic docking by fastening two fiber ends by tightening the mating plastic blocks.
  • one of the mating plastic blocks is provided with a V-shaped groove for fiber optic docking
  • the back is provided with a pressure block higher than the outer side of the receiving body; a liquid substance is dropped at the end joint to improve light permeability; the pressing device
  • the action is to achieve the docking of the two fibers by pressing down the press blocks on the back of the mating plastic block to reduce the gap between the plastic blocks and compacting the fibers; the pigtails are only placed in the holes formed by the device.
  • the plastic block of the structure is less than the metal piece, and the surface is not smooth.
  • the fiber cutting edge may cause the plastic part to scratch, the plastic piece is generated, the liquid is contaminated, and the distance between the two fiber ends of the two fibers is increased.
  • the connection indicator has dropped significantly.
  • the technical problem to be solved by the present invention is to provide a fiber-optic cold junction continuation with a high success rate without requiring a special tool to realize rapid connection without the special tool stripping.
  • an optical fiber cold junction continuation comprising a box-type outer casing, in which a fixing device for fixing the outer skin and inserting the optical fiber into position is provided a pressing device that is pressed into the V-shaped groove after the end face of the optical fiber is attached, and a connecting cavity is respectively disposed at two ends of the box-shaped outer casing, and a floating block is disposed in a middle portion of the box-shaped outer casing, The two sides of the floating block are respectively a groove and a groove;
  • the fixing device comprises: a tail shank, a push tube and a guiding block; the guiding block is provided with a small positioning taper hole and a fiber hole, and the tail handle is pressed In the connecting cavity at the two ends of the box-type housing, the guiding block is pressed into the receiving cavity of the tail shank, the shank is provided with a large positioning taper hole and a pressing cavity, and the tapered hole is a tapered surface;
  • the suspension block is pressed at one end, clamped into the fiber sheath through the lower end of the suspension block, and the tail handle A space portion is reduced, thereby fixing the optical fiber to penetrate the skin;
  • said pressing means comprising: a V-groove metal block, a masonry cover; the V-groove metal block is embedded in a recessed groove in the box-type outer casing, and the fiber-optic through-hole is formed between the V-shaped groove and the floating block; Inserting the floating block for pressing the fiber joint in the V-groove metal block in the insert groove; and guiding the fiber hole and the tail handle of the guide block in the receiving cavity of the two tail handles
  • the compression chambers are on the same axis.
  • the outer surface of the box-type outer casing is provided with a card slot, and the cover is provided with a buckle, and the box-type outer casing is engaged with the cover by the snap-fit card into the card slot;
  • the outer surface of the box-shaped outer casing is further provided with a positioning platform, which is matched with the initial card slot and the terminating card slot on both sides of the wall covering to control the position of the building cover.
  • the V-groove metal block V-shaped groove is provided at both ends with a guiding surface.
  • the floating block and the box-type outer casing are connected by a floating rib, and the floating block further comprises a guiding inclined surface and a guiding fiber surface, wherein the masonry of the laying cover is provided with a chamfer matching with the guiding inclined surface, the laying The cover is pushed through the guiding inclined surface of the masonry to push the floating block, so that the two butt fibers are compacted, and the guiding surface cooperates with the guiding surface of the V-shaped metal block to form a complete fiber guiding surface.
  • the large positioning cone hole and the small positioning cone hole are tapered surfaces.
  • the push tube is provided with an introduction cone surface.
  • a wire sleeve can be placed in the tail handle, and the wire sleeve is clamped by the suspension clamp in the tail handle to shrink and compress the small-sized optical fiber sheath.
  • the optical fiber cold connection continuation of the invention adopts large and small positioning taper holes to initially position the insertion depth of the optical fiber, and the suspension block clamps the outer skin of the optical fiber, and presses the two opposite optical fibers through the box-type floating block; when connecting, directly strips the fixed length and the specification
  • the optical fiber is inserted into the head from one end, pushes the insertion end push tube, presses the fiber outer skin, and then inserts the fixed-length stripped fiber from the other end until the two fiber end faces are tightly pressed, pushes the insertion end push tube, and presses the optical fiber
  • the outer skin is finally pressed into the cover, and the two fiber ends in the metal V-shaped groove are pressed by the floating block to complete the connection; the connection is reliable, the service life is long, the connection is simple, the success rate is high, and no special tools are needed. , greatly reducing the cost of use.
  • the present invention has the following advantages:
  • the optical fiber cold connection continuation of the invention adopts the design of the fiber outer skin and the rear fixed optical fiber joint which are required to be stepped down step by step, without using a special connecting tool, the cost is low, the operation difficulty is low, and the success rate is high.
  • optical fiber cold junction continuation of the present invention uses large and small positioning taper holes to locate the initial fiber insertion position, and is suitable for fibers of different outer diameter diameters.
  • the optical fiber cold connection continuation of the invention adopts a tail handle fixing device, and after pushing the optical fiber, the push tube is pushed on the tail handle in the same direction, and the space of the inner hole of the tail handle is reduced by the clamp clamping on the tail handle, thereby being fixedly inserted therein.
  • the fiber optic sheath because it is operated in the same direction as the fiber insertion direction, when the sheath is fixed, the fiber always has a forward pushing force, which greatly improves the success rate of the fiber connection, and the bare fiber is fully protected during the entire connection process, and is not easily broken. .
  • the suspension block on the tail shank of the optical fiber cold connection continuation of the invention is connected to the radial end of the tail shank, and the fiber is smooth, which is not easy to damage the fiber end surface.
  • the optical fiber cold connection continuation of the invention adopts a V-shaped groove metal block and a floating floating block, and the V-shaped groove is made of a metal material, and the surface smoothness is high, and the V-shaped groove and the floating block are in an open state in the initial state, which is easy. Wearing fiber, the process of wearing fiber is not easy to produce plastic powder, pollution matching liquid, affecting the connection performance.
  • the pressing of the two butt-connected optical fibers of the present invention is carried out by pressing the cover into the working slot, and pushing the connecting block to press the connecting optical fiber in the V-shaped groove to achieve compaction, the pressing force is large and reliable; Changes, material aging affects the quality of the connection, and has a long service life.
  • the suspension type floating block in the optical fiber cold connection continuation of the invention is a non-metal material, has a large friction coefficient and a small thermal expansion coefficient, and greatly reduces the influence of the deformation of the V-groove metal block due to thermal expansion and contraction on the fiber connection quality after compaction. .
  • the present invention can also be placed in a casing, and both ends of the casing can be connected to the cable sheath, thereby realizing safe and reliable docking of the optical fiber.
  • FIG. 1 is a schematic view showing a 2D structure of an embodiment of an optical fiber cold junction continuation of the present invention.
  • FIG. 2 is a 3D schematic view of a first embodiment of the optical fiber cold junction continuation of the present invention, wherein a is an initial state 3D cross-sectional view, and b is a final state 3D cross-sectional view.
  • FIG. 3 is a schematic view of a box-type housing 3D of the present invention, wherein a is a 3D cross-sectional view and b is a 3D external view.
  • FIG. 4 is a schematic view of a V-groove metal block structure 3D of the present invention.
  • Figure 5 is a schematic view of a 3D building structure according to the present invention, wherein a is a schematic view of the 3D structure of the building block, and b is a 3D sectional view of the building block. .
  • Figure 6 is a schematic view of the tail handle structure 3D of the present invention, wherein a is a schematic view of the tail handle 3D structure, and b is a cross-sectional view of the tail handle 3D.
  • Figure 7 is a cross-sectional view showing the structure of the push tube 3D of the present invention.
  • Figure 8 is a cross-sectional view showing the structure of the wire sleeve 3D of the present invention.
  • Figure 9 is a cross-sectional view showing the structure of the guide block 3D of the present invention.
  • Figure 10 is a 3D separate view of the second embodiment of the optical fiber cold junction continuation of the present invention.
  • a fiber-optic cold-connecting splicer is mainly composed of a box-type outer casing 1 and a fixing device for fixing the outer skin after inserting the optical fiber into the position, and the two fiber ends are pressed and pressed into the V-shaped groove.
  • Device composition As shown in FIG. 1-10, a fiber-optic cold-connecting splicer is mainly composed of a box-type outer casing 1 and a fixing device for fixing the outer skin after inserting the optical fiber into the position, and the two fiber ends are pressed and pressed into the V-shaped groove.
  • the fixing device comprises: a tail shank 4, a push tube 5, a wire sleeve 6, and a guiding block 7; the tail shank 4 is pressed into the connecting cavity 1-5 at both ends of the box casing 1, and the guiding block 7 is pressed into the tail shank 4
  • the wire sleeve 6 can be placed in the shank 4 pressing chamber 4-7, the push tube 5 is attached to the outer end 4-1 of the shank 4;
  • the shank 4 is provided with a large positioning taper hole 4- 3, the tapered hole 4-3 is a tapered surface;
  • the tail handle 4 is provided with at least one suspension block 4-4, the suspension block is connected to the tail handle through the broken rib and the connecting rib, and when the fiber is started to be threaded, the hanging block 4-4
  • the two ends are connected, so that the fiber is fluent, and when the push tube 5 is pushed up, the suspension block 4-4 is pressed by the push tube 5, the front end is broken, and the outer wall is clamped into the outer
  • the pressing device comprises: a V-shaped groove metal block 2, a building cover 3;
  • the V-groove metal block 2 is embedded in the recess 1-1 in the box-type outer casing 1; the cover 3 is pressed into the slot 1-1 of the box-type outer casing 1 in the cavities 1-5 in the box-type outer casing 1 and
  • a floating block 1-2 is disposed between the slots 1-5 for pressing the fiber connector in the V-groove metal block 2 of the slot 1-1, and the connecting chambers 1-6 are disposed on both sides, and are connected to the tail shank 4.
  • the outer surface of the box-type outer casing 1 is provided with a card slot 1-7, which is engaged with the cover 3; the outer surface of the box-type outer casing 1 is provided with a table 1-8 on both sides, and the initial card slot 3-4 on both sides of the cover 3 and
  • the termination card slot 3-5 is matched to control the position of the cover 3 .
  • the masonry 3 is provided with a masonry 3-1, a chamfer 3-3, an initial card slot 3-4, a terminating card slot 3-5 and a buckle 3-2.
  • a V-shaped groove 2-1 is disposed on a surface of the V-shaped groove metal block 2 opposite to the floating block 1-2, and a fiber through hole 2-3 is formed between the V-shaped groove 2-1 and the floating block 1-2;
  • a guide surface 2-2 is provided at both ends of the V-groove metal block 2V-shaped groove 2-1.
  • the floating block 1-2 is connected to the box type casing 1 through the floating ribs 1-4, and the floating block 1-2 is further provided with a guiding slope 1-3 and a fiber guiding surface 1-9, and the guiding inclined surface 1-3 and the masonry 3-1
  • the chamfers 3-3 are matched, and the masonry 3-1 is introduced into the push block 1-2 through the guide bevels 1-3 to realize the two-butt fiber compaction; the fiber guide faces 1-9 and the V-shaped metal blocks 2
  • the guide faces 2-2 cooperate to form a complete fiber guiding surface.
  • the guiding block 7 is provided with a small positioning taper hole 7-1 and an optical fiber hole 7-2.
  • the large positioning taper hole 4-3 and the small positioning taper hole 7-1 are tapered surfaces.
  • the push tube 5 is provided with an introduction cone surface 5-1.
  • the fiber through hole 2-3 and the fiber hole of the guiding block 7 in the accommodating cavity 4-2 of the two tail shanks 4 are formed between the V-shaped groove 2-1 and the floating block 1-2. 7-2.
  • the threading holes 6-1 of the thread sleeve 6 which are inserted into the shank 4 to press the chamber 4-7 are on the same axis.
  • a wire sleeve 6 can be placed in the tail shank 4, and the wire sleeve 6 is compressed by the suspension block 4-4 in the tail shank 4 to be contracted to compress the small-sized optical fiber sheath.
  • the method for using the splicing sub-splicing of the present invention is: 1. One of the fibers to be connected is stripped according to the fixed length. 2. According to the thickness of the outer skin (coating layer) of the optical fiber, it is determined whether or not to take out the wire sleeve inserted in advance at the cold end. 3. Insert the cut fiber directly into the head. 4. Push the insertion end push tube and press the fiber sheath. 5. The other fiber to be connected is stripped according to the fixed length. 6. According to the thickness of the outer skin (coating layer) of the optical fiber, it is determined whether or not to take out the wire sleeve inserted in advance at the cold end. 7. Insert the cut fiber directly until the end faces of the two fibers are tight. 8. Push the insertion end push tube and press the fiber sheath. 9. The cover is pressed and the connection is completed by pushing the slider to press the two fiber ends in the metal V-groove.

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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Description

一种光纤冷接续子 技术领域
本发明涉及一种用于光纤对接安装的连接装置，具体涉及一种光纤冷接续子。
背景技术
目前，用于光纤对接的冷接续子产品主要采用两种方式固定光纤：
一种是通过压紧对折的金属片固定两根光纤端头实现光纤对接的。其中，在对折的金属片中设用于光纤对接的V型槽；在端头连接处滴入液态物质以提高光透性；压紧装置的动作是通过下压锲型固定块来减少对折金属片的缝隙从而压紧光纤来实现两根光纤的对接的；尾纤只是放置在装置形成的孔中挤紧的。
此结构的金属片由于在温度变化产生热胀冷缩和时间变化产生老化时，会产生变形，会使其压紧的两根光纤端面距离加大，造成连接指标严重下降。
另一种是通过套紧对合的塑料块固定两根光纤端头实现光纤对接的。其中，在对合的塑料块中其中一块设用于光纤对接的V型槽，背部设高出容纳体外侧的压块；在端头连接处滴入液态物质以提高光透性；压紧装置的动作是通过下压对合的塑料块背部的压块来减少塑料块对合的缝隙从而压紧光纤来实现两根光纤的对接的；尾纤只是放置在装置形成的孔中挤紧的。
此结构的塑料块光洁度小于金属片，表面不光滑，穿纤时易导致光纤切刀口刮伤塑料件，产生塑末，污染对接液体，并使其压紧的两根光纤端面距离加大，造成连接指标严重下降。
此两种方式结构在光纤对接施工操作时都需要专用工具，两根定长定规格剥制的光纤同时从两侧插入专用工具，在使用专用工具动作来固定光纤接头和光纤外皮，专用工具复杂、庞大，价格昂贵，而且携带不方便。
 技术问题
本发明所要解决的技术问题是针对上述现有技术的不足，提供一种将定长定规格剥制的光纤无需专用工具实现快速接续，且成功率高的光纤冷接续子。
 技术解决方案
为解决上述技术问题，本发明的技术方案是：一种光纤冷接续子，包括箱式外壳，在所述的箱式外壳内设置有将所述的光纤插入到位后固定外皮的固定装置和两光纤端面贴合后被压紧在V型槽中的压紧装置，在所述的箱式外壳的两端分别设置有连接腔，在所述的箱式外壳的中部设置有浮动块，在该浮动块的两侧分别为嵌槽和砌槽；所述的固定装置包括：尾柄、推管、导向块；所述导向块内设小定位锥孔和光纤孔，所述的尾柄被压入箱式外壳两端的连接腔中，导向块被压入在尾柄的容纳腔中，所述的尾柄内设大定位锥孔以及压紧腔，所述的锥孔为锥面；所述的尾柄上设置有至少一个悬块，悬块通过待断筋和连接筋与尾柄相连，所述的推管附着在尾柄上并可压下所述的悬块使待断筋断裂，从而一端压下悬块，通过悬块压下端钳入光纤外皮，以及尾柄内部的空间缩小，从而固定穿入的光纤外皮；所述的压紧装置包括： V型槽金属块、砌盖；所述的V型槽金属块镶嵌在箱式外壳内的嵌槽中，V型槽与浮动块之间形成所述的光纤通孔；所述的砌盖压进箱式外壳内的砌槽中；挤压所述的浮动块，用于压紧嵌槽中V型槽金属块中的光纤接头；两尾柄的容纳腔中导向块的光纤孔、尾柄压紧腔在同一轴线上。
所述的箱式外壳外表面设卡槽，在所述的砌盖上设置有卡扣，所述的箱式外壳通过所述的卡扣卡入所述的卡槽与砌盖卡接；在所述的箱式外壳的外表面两侧还设有定位台，与砌盖两侧的初始卡槽和终止卡槽相配，控制砌盖所处位置。
所述的V型槽金属块V型槽两端设置有导向面。
所述的浮动块与箱式外壳通过浮动筋相连，浮动块还设导向斜面和导纤面，在所述的砌盖的砌体上设置有与导向斜面相配合的倒角，所述的砌盖通过砌体的导向斜面导入推动浮动块，从而实现两对接光纤压紧，导纤面与V型金属块的导向面共同作用形成一个完整的光纤导向面。
所述大定位锥孔和小定位锥孔为锥面。
所述推管上设导入锥面。
本发明的光纤冷接续子，尾柄内可放置一线套，通过尾柄中悬块钳压线套，使其收缩来压紧尺寸小的光纤外皮。
本发明光纤冷接续子采用大、小定位锥孔初始定位光纤插入深度，悬块钳压光纤外皮，并通过箱砌式浮动块压紧两对接光纤；接续时，直接把定长定规格剥制的光纤从一端插入到头，推上插入端推管，压紧光纤外皮，再从另一端插入定长定规格剥制的光纤，直到两光纤端面贴紧，推上插入端推管，压紧光纤外皮，最后压紧砌盖，通过推动浮动块压紧在金属V型槽中的两光纤端头，完成接续；此接续子，结构可靠，使用寿命长，接续简单，成功率高，无需专用工具，大大降低使用成本。
 有益效果
与现有技术相比，本发明具有如下优点：
1.本发明光纤冷接续子采用先分步压紧需接续的光纤外皮、后固定光纤接头的设计，无需使用专用接续工具，成本低廉，操作难度低，成功率高。
2.本发明光纤冷接续子使用大、小定位锥孔定位初始光纤插入位置，适用于不同外皮直径尺寸的光纤。
3.本发明光纤冷接续子采用尾柄固定装置，推入光纤后同向推动推管在尾柄上，通过尾柄上的悬块钳压使尾柄内孔空间缩小，从而固定穿入其中的光纤外皮；由于与光纤插入方向是同向操作，在外皮固定时，光纤始终有前推贴合力，大大提高了光纤接续成功率，并且裸纤在整个接续过程中受到了充分保护，不易折断。
4.本发明光纤冷接续子尾柄上的悬块与尾柄为径向端相连，穿纤顺畅，不易损坏光纤端面。
5.本发明光纤冷接续子采用V型槽金属块的和悬浮式浮动块，V型槽为金属材质，表面光滑度高，而且初始态时V型槽与浮动块之间为打开状态，易于穿纤，穿纤过程不易产生塑料碎末、污染匹配液、影响接续性能。
6.本发明的两对接光纤的压紧是通过砌盖压入砌槽，推动浮动块挤压在V型槽中的接续光纤来实现压紧的，压紧作用力大、可靠；不易受温度变化、材料老化而影响接续质量，使用寿命长。
7.本发明光纤冷接续子中悬浮式浮动块为非金属材料，摩擦系数大，热胀系数小，压紧后大大降低V型槽金属块由于热胀冷缩等变形对光纤接续质量的影响。
8.本发明还可在放置在一壳体中，壳体的两端可与光缆外皮连接，从而真正实现光纤安全可靠对接。
 附图说明
图1为本发明光纤冷接续子实施例一2D结构示意图。
图2为本发明光纤冷接续子实施例一3D示意图，其中a为初始态3D剖视图，b为终止态3D剖视图。
图3为本发明箱式外壳3D示意图，其中a为3D剖视图，b为3D外观图。
图4为本发明V型槽金属块结构3D示意图。
图5为本发明砌盖结构3D示意图，其中a为砌盖3D结构示意图，b为砌盖3D剖视图。。
图6为本发明尾柄结构3D示意图，其中a为尾柄3D结构示意图，b为尾柄3D剖视图。
图7为本发明推管3D结构剖视图图。
图8为本发明线套3D结构剖视图图。
图9为本发明导向块3D结构剖视图。
图10为本发明光纤冷接续子实施例二3D分开图。
图中：1. 箱式外壳，2. V型槽金属块，3. 砌盖，4. 尾柄， 5. 推管，6. 线套，7. 导向块；1-1.嵌槽，1-2. 浮动块，1-3. 导向斜面，1-4. 浮动筋，1-5. 砌槽，1-6. 连接腔，1-7.卡槽，1-8.定位台，1-9.导纤面；2-1. V型槽，2-2. 导向面，2-3. 光纤通孔；3-1. 砌体，3-2. 卡扣，3-3.倒角，3-4. 初始卡槽，3-5. 终止卡槽； 4-1.尾柄外端，4-2. 容纳腔，4-3. 大定位锥孔，4-4.悬块，4-5.导向锥孔，4-6.活动槽，4-7.压紧腔，4-8.待断筋 ，4-9.连接筋；5-1.推管本体，5-2.导入锥面；6-1.穿线孔，6-2.导入锥孔；7-1.小定位锥孔，7-2.光纤孔。
 本发明的实施方式
下面结合附图，对本发明作详细说明。
如图1-10所示，一种光纤冷接续子，主要由箱式外壳1以及将光纤插入到位后固定外皮的固定装置和两光纤端面贴合后被压紧在V型槽中的压紧装置组成。
其中固定装置包括：尾柄4、推管5、线套6、导向块7；尾柄4被压入箱式外壳1两端的连接腔1-5中，导向块7被压入在尾柄4的容纳腔4-2中，线套6可放入尾柄4压紧腔4-7中，推管5附着在尾柄4外端4-1；尾柄4内设大定位锥孔4-3，锥孔4-3为锥面；尾柄4上设置有至少一个悬块4-4，悬块通过待断筋和连接筋与尾柄相连，在开始穿纤时，悬块4-4两端是连接的，这样穿纤通顺，推管5推上时，悬块4-4被推管5压下，前端待断筋断裂，通过悬块下压钳入光纤外皮，使内部的空间缩小，从而固定穿入的光纤外皮。
压紧装置包括： V型槽金属块2、砌盖3； V型槽金属块2镶嵌在箱式外壳1内的嵌槽1-1中；砌盖3压进箱式外壳1内的砌槽1-5中箱式外壳1的嵌槽1-1和砌槽1-5之间设浮动块1-2，用于压紧嵌槽1-1中V型槽金属块2中的光纤接头，两侧设连接腔1-6，与尾柄4相连接。
箱式外壳1外表面设卡槽1-7，与砌盖3卡接；箱式外壳1外表面两侧设定位台1-8，与砌盖3两侧的初始卡槽3-4和终止卡槽3-5相配，控制砌盖3所处位置。
砌盖3设砌体3-1、倒角3-3、初始卡槽3-4、终止卡槽3-5和卡扣3-2。
V型槽金属块2与浮动块1-2相向的表面设置有V型槽2-1，该V型槽2-1与浮动块1-2之间形成光纤通孔2-3； V型槽金属块2V型槽2-1两端设置有导向面2-2。
浮动块1-2与箱式外壳1通过浮动筋1-4相连，浮动块1-2还设导向斜面1-3和导纤面1-9，导向斜面1-3与砌体3-1的倒角3-3相配合，实施时砌体3-1通过导向斜面1-3导入推动浮动块1-2，从而实现两对接光纤压紧；导纤面1-9与V型金属块2的导向面2-2共同作用形成一个完整的光纤导向面。导向块7内设小定位锥孔7-1和光纤孔7-2。大定位锥孔4-3和小定位锥孔7-1为锥面。推管5上设导入锥面5-1。
本发明的光纤冷接续子，V型槽2-1与浮动块1-2之间形成所述的光纤通孔2-3、两尾柄4的容纳腔4-2中导向块7的光纤孔7-2、放入尾柄4压紧腔4-7的线套6的穿线孔6-1在同一轴线上。
本发明的光纤冷接续子，尾柄4内可放置一线套6，通过尾柄4中悬块4-4压缩线套6，使其收缩来压紧尺寸小的光纤外皮。
本发明接续子接续子的使用方法是：
1．把需接续的其中一根光纤按定长定规格剥制。
2．根据此光纤的外皮（涂敷层）粗细，决定是否取出预先放置在冷接子插入端线套。
3．直接插入切制好的光纤到头。
4．推上插入端推管，压紧光纤外皮。
5．把需接续的另外一根光纤按定长定规格剥制。
6．根据此光纤的外皮（涂敷层）粗细，决定是否取出预先放置在冷接子插入端线套。
7．直接插入切制好的光纤，直到两光纤端面贴紧。
8．推上插入端推管，压紧光纤外皮。
9．压紧砌盖，通过推动浮动块压紧在金属V型槽中的两光纤端头，完成接续。

Claims (7)

  1. 一种光纤冷接续子，包括箱式外壳（1），将所述的光纤插入到位后固定外皮的固定装置和两光纤端面贴合后被压紧在V型槽中的压紧装置，其特征在于：
    在所述的箱式外壳（1）的两端分别设置有连接腔（1-6），在所述的箱式外壳（1）的中部设置有浮动块（1-2），在该浮动块（1-2）的两侧分别为嵌槽（1-1）和砌槽（1-5）；
    所述的固定装置包括：两尾柄（4）、两推管（5）、两导向块（7），所述的导向块（7）设置在箱式外壳（1）内，所述的推管（5）设置在箱式外壳（1）外，所述的尾柄（4）的一端设置在箱式外壳（1）内，尾柄（4）另一端设置在箱式外壳（1）外；所述导向块（7）内设小定位锥孔（7-1）和光纤孔（7-2），所述的尾柄（4）设置在箱式壳体（1）内的一端被压入箱式外壳（1）两端的连接腔（1-6）中，导向块（7）被压入在尾柄（4）的容纳腔（4-2）中，所述的尾柄（4）内设大定位锥孔（4-3）以及压紧腔（4-7），所述的大定位锥孔（4-3）为锥面；所述的尾柄（4）上设置有至少一个悬块（4-4），悬块通过待断筋（4-8）和连接筋（4-9）与尾柄（4）相连，所述的推管（5）附着在尾柄（4）的另一端上并可下压所述的悬块（4-4），通过前端待断筋（4-8）断裂，使悬块（4-4）下压钳入光纤外皮，使尾柄（4）内部的空间缩小，从而固定穿入的光纤外皮；
    所述的压紧装置包括： V型槽金属块（2）、砌盖（3）；所述的V型槽金属块（2）镶嵌在箱式外壳（1）内的嵌槽（1-1）中，V型槽（2-1）与浮动块（1-2）之间形成光纤通孔（2-3）；所述的砌盖（3）的一端压进箱式外壳（1）内的砌槽（1-5）中；挤压所述的浮动块（1-2），用于压紧嵌槽（1-1）中V型槽金属块（2）中的光纤接头，所述的砌盖（3）的另一端设置箱式外壳（1）外；
    所述的浮动块（1-2）与箱式外壳（1）通过浮动筋（1-4）相连，浮动块（1-2）还设导向斜面（1-3），在所述的砌盖的砌体（3-1）上设置有与导向斜面（1-3）相配合的倒角（3-3），所述的砌盖（3）通过砌体（3-1）的导向斜面（1-3）导入推动浮动块（1-2），从而实现两对接光纤压紧；所述的两尾柄（4）的容纳腔（4-2）中导向块（7）的光纤孔（7-2）、尾柄（4）压紧腔（4-7）在同一轴线上。
  2. 根据权利要求1所述的光纤冷接续子，其特征在于: 所述的箱式外壳（1）外表面设卡槽（1-7），在所述的砌盖（3）上设置有卡扣（3-2），所述的箱式外壳（1）通过所述的卡扣（3-2）卡入所述的卡槽（1-7）与砌盖（3）卡接；在所述的箱式外壳（1）的外表面两侧还设有定位台（1-8），与砌盖（3）两侧的初始卡槽（3-4）和终止卡槽（3-5）相配，控制砌盖（3）所处位置。
  3. 根据权利要求1或2所述的光纤冷接续子，其特征在于:所述的V型槽金属块（2）的V型槽（2-1）两端设置有导向面（2-2）。
  4. 根据权利要求1所述的光纤冷接续子，其特征在于: 所述大定位锥孔（4-3）和小定位锥孔（7-1）为锥面。
  5. 根据权利要求4所述的光纤冷接续子，其特征在于:所述推管（5）上设导入锥面（5-1）。
  6. 根据权利要求5所述的光纤冷接续子，其特征在于:所述推管（5）上设导入锥面（5-1）。
  7. 根据权利要求1所述的光纤冷接续子，其特征在于:在所述的尾柄（4）内设置有一用于压紧光纤外皮线套（6）。
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