CN101840036B - Mechanical single-core optical fiber cold splice - Google Patents
Mechanical single-core optical fiber cold splice Download PDFInfo
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- CN101840036B CN101840036B CN2010101965969A CN201010196596A CN101840036B CN 101840036 B CN101840036 B CN 101840036B CN 2010101965969 A CN2010101965969 A CN 2010101965969A CN 201010196596 A CN201010196596 A CN 201010196596A CN 101840036 B CN101840036 B CN 101840036B
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- locking
- optical fiber
- fibre core
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- lock sleeve
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Abstract
The invention relates to a single-core optical fiber cold splice, which has the characteristics of high connection success rate, simple structure and low cost. The technical scheme is that: the mechanical single-core optical fiber cold splice comprises a fixing seat; a V-shaped slot metal block is embedded in the fixing seat; a positioning hole is arranged at each of the two ends of the fixing seat; and a chuck is positioned in each positioning hole and comprises a cylindrical body. The mechanical single-core optical fiber cold splice is characterized in that a compaction groove is arranged at the middle of the fixing seat; a fiber core pressure block is disposed in the compaction groove; the left and right ends of the fiber core pressure block are respectively positioned on the fixing seat through a connection rib; a pre-tightening surface is formed at the top end of the fiber core pressure block; a lug boss is formed on the pre-tightening surface, and a locking inclined plane is arranged at the right side of the lug boss; additionally, a left locking sleeve and a right locking sleeve are arranged and both provided with an empty cavity inside; the two locking sleeves are inserted in the middle of the fixing seat; the inner walls of the two locking sleeves are both pre-tightened with fiber core, and the tail ends of the two locking sleeves are provided with locking taper holes.
Description
Technical field
The present invention relates to a kind of coupling arrangement when being used for fiber alignment, be specifically related to a kind of single-core optical fiber cold splice.
Background technology
Optical fiber has that bandwidth, loss are low, in light weight, antijamming capability strong and the characteristics of reliable working performance, is widely used in communication, Local Area Network at present, fields such as Fiber to the home (FTTH), high-quality video transmission, Fibre Optical Sensor, testing meter and instrument.
The connection of optical fiber at present mainly contains thermal welding and cold joint dual mode:
Thermal welding: promptly use the heat sealing machine arc discharge with the welding connection each other of two optical fiber; This kind connected mode need be used specialized equipment, and cost is higher, and equipment carries also not too convenient, and operation of equipment speed is slower, and efficient is not high, and to operating environment, operator's technical requirement than higher.
Cold joint: claim that also mechanical fiber optic connects, fit together, realize the butt joint of two optical fiber even the end face of two optical fiber is compressed with cold splice for optical fibers.Owing to need not specialized equipment, simple operation is quick, and has effective, the lower-cost characteristics of binding, but and repetitive operation, cost performance higher, in optical fiber connects, used widely.The optical fiber that the optical fiber cold joint is specially adapted to little core number, dispersion connects or interim optical fiber connection application; Because this mode also is uncharged connecting method, also be widely used in the manufacturing environment such as petrochemical industry and petroleum refining, coal and other no open flames (or electric arc) simultaneously.
Chinese patent document [application number 200910032845.8; Publication number CN101576638A] " a kind of cold splice for optical fibers " disclosed, adopt large and small location taper hole initial alignment optical fiber insertion depth, suspended block clamps the fine crust of press polish, and compresses two butt joint optical fiber through case block formula slider pad, accomplishes the optical fiber continued access.It is better that this technical scheme connects effect; Simple in structure, but operation the time need lock the crust of two optical fiber (end face is fitted each other) respectively through two ejector sleeves, is pressed into then to build and covers; Thereby the extruding slider pad makes its two fibre-optical splices that compress in the V-type groove derby realize fiber alignment; It is comparatively loaded down with trivial details to operate, and builds lid and also damage than being easier to, and is unfavorable for repetitive operation.
Summary of the invention
The objective of the invention is to overcome the deficiency that the above-mentioned background technology exists, a kind of improvement of cold splice for optical fibers is provided, this cold splice for optical fibers should be able to be realized continuing fast of optical fiber, and has the power of connecting into height, simple in structure, lower-cost characteristics.
Technical scheme provided by the invention is:
Mechanical single-core optical fiber cold splice; Comprise that one is shaped on the holder of mounting groove; Be embedded with the V-type groove derby that is used to locate fibre core in the said mounting groove; The two ends of holder respectively are shaped on a pilot hole coaxial with this holder, all locate in each pilot hole one be used to clamp tight optical fiber crust chuck; Described chuck comprises that one is positioned at the cylindrical body in the said pilot hole, is provided with the locking slot that is formed by at least three self-tightening claws at an end of cylindrical body; It is characterized in that:
The middle part of said holder is shaped on the pressing groove that stretches along its length direction; Be provided with in this pressing groove one be used to compress fibre core the fibre core briquetting, the right ends of fibre core briquetting is positioned on the holder at said pressing groove two ends through a rubber-like dowel respectively; The peripheral outer wall of holder is stretched out to form a pretension face in the top of said fibre core briquetting, is shaped on a boss on this pretension face, and the right side of this boss is shaped on a locking inclined-plane;
Other is provided with two left and right lock sleeves that are used to lock said two chucks and compress said fibre core briquetting; All be shaped on the cavity that adapts with said holder in two lock sleeves; Peg graft at the holder middle part in the end of two lock sleeves; The inwall of two lock sleeves is all through pressing down pretension face on the said fibre core briquetting with the pretension fibre core, and wherein the inwall of a lock sleeve is through pressing down boss on the said fibre core briquetting to compress fibre core; The tail end of said two lock sleeves all is shaped on to match with said self-tightening claw and merges the locking taper hole make self-tightening claw radial shrinkage.
Other is provided with two and is used to lock said two chucks and compresses the left lock sleeve (4) of said fibre core briquetting, right lock sleeve (5), all is shaped on the cavity that adapts with said holder in two lock sleeves; The tail end of said two lock sleeves all is shaped on to match with said self-tightening claw and merges the locking taper hole make self-tightening claw radial shrinkage.
Be provided with the hold-down apertures, fibre core guiding taper hole, the fibre core pilot hole that are communicated with in regular turn in the said chuck; All be provided with a locking boss on the outer wall on each self-tightening claw, the both sides of said locking boss all are shaped on the inclined-plane, and locking boss middle part is shaped on locating slot, and all locating slots are distributed on the same outer circumference surface.
Be provided with the cavity, claw guiding taper hole, claw locking hole, the locking taper hole that are communicated with in regular turn in the said lock sleeve; Said claw locking hole inwall is provided with a circle locking lug, nib, and the locating slot snap-fit at said locking lug, nib and said locking boss middle part is to realize the location to lock sleeve; Said locking taper hole is exerted pressure to the inclined-plane of said locking boss claw is shunk.
The right-hand member of said left lock sleeve is shaped on the spliced eye that matches with right lock sleeve left end, and the inwall of this spliced eye applies radial pressure to right lock sleeve left end.
The two ends of said V-type groove derby are provided with the wedge-shaped slot that is used to lead.
Principle of work of the present invention is: the present invention leads to fibre core through the wedge-shaped slot of guiding taper hole of the fibre core in the chuck and V-type groove derby, and lock sleeve cooperates with claw with the pressed fiber crust, and the fibre core briquetting on the holder compresses two butt joint optical fiber.When optical fiber connects; Earlier left and right lock sleeve is enclosed within two respectively on the optical fiber of decorticating (fixed length dimensioned); Then two optical fiber are inserted from two chucks until the fibre core end face of two optical fiber respectively and fit, with left and right lock sleeve grafting fastening, right lock sleeve is exerted pressure to the fibre core briquetting at last; Make it compress two butt joint optical fiber, accomplish fibre junction.
The invention has the beneficial effects as follows: the locking taper hole in the lock sleeve cooperates with the self-tightening claw, the self-tightening claw is shunk, thereby fix the optical fiber crust that inserts wherein, has improved the power that connects into of optical fiber greatly; And when two lock sleeves are pegged graft, can two butt joint optical fiber be compressed, need not to use specialized equipment, (only needing the grafting of two lock sleeves can be realized fiber alignment) simple to operate; In addition, the present invention is simple in structure, and cost of manufacture is also lower.
Description of drawings
Fig. 1 is a main TV structure synoptic diagram of the present invention.
Fig. 2 be among Fig. 1 F-F to the sectional structure synoptic diagram.
Fig. 3 is a plan structure synoptic diagram of the present invention.
Fig. 4 be among Fig. 3 B-B to the sectional structure synoptic diagram.
Fig. 5 is the structure for amplifying synoptic diagram of A portion among Fig. 2.
Fig. 6 is the cutaway view Amplified image of right-of-center in political views's lock sleeve of the present invention.
Fig. 7 is the cutaway view Amplified image of left lock sleeve among the present invention.
Fig. 8 is the spatial structure enlarged drawing of V-type groove derby among the present invention.
Fig. 9 is the cutaway view Amplified image of holder among the present invention.
Figure 10 is the plan structure enlarged drawing that has inserted the holder of V-type groove derby.
Figure 11 is the cutaway view Amplified image of chuck among the present invention.
Figure 12 is an exploded perspective view of the present invention.
Embodiment
Below, technical scheme of the present invention is described further through Figure of description.
Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4; Mechanical single-core optical fiber cold splice; Comprise that one is shaped on the holder 1 of mounting groove 1-1, be embedded with the V-type groove derby 2 (said V-type groove derby is provided with V-type groove 2-2, and the two ends of V-type groove are provided with the wedge-shaped slot 2-1 that is used to lead) that is used to locate fibre core in the said mounting groove; The two ends of holder respectively are shaped on a pilot hole 1-8 coaxial with this holder, all locate in each pilot hole one be used to clamp tight optical fiber crust chuck 3; Described chuck comprises that one is positioned at the cylindrical body 3-2 in the said pilot hole, is provided with the locking slot 3-7 that is formed by at least three self-tightening claw 3-4 at an end of cylindrical body.These all with existing cold joint connector similar.
Improvement part of the present invention is following:
1, as shown in Figure 9; The middle part of said holder is shaped on the pressing groove that stretches along its length direction; Be provided with in this pressing groove one be used to compress fibre core fibre core briquetting 1-2; The right ends of fibre core briquetting is positioned on the holder at said pressing groove two ends through a rubber-like dowel 1-6 respectively, and the both sides of dowel are shaped on groove 1-5 (being that the fibre core briquetting under external force radial displacement can take place within the specific limits); The outer wall of holder is stretched out to form a pretension face 1-3 in the top of said fibre core briquetting, is shaped on a boss 1-4 on this pretension face.
2, like Fig. 6, shown in Figure 7; Other is provided with two the left lock sleeve 4, the right lock sleeves 5 that are used to lock said two chucks and compress said fibre core briquetting; All be shaped on the cavity (being 4-3, the interior 5-3 of being of right lock sleeve in the left lock sleeve) that adapts with said holder in two lock sleeves; Two lock sleeves are pegged graft (interference fit) at holder middle part, and during grafting, the inwall of right lock sleeve 5 (also can be the inwall of left lock sleeve 4) is through pressing down pretension face 1-3 on the said fibre core briquetting 1-2 with the pretension fibre core; The tail end of said two lock sleeves all is shaped on to match with said self-tightening claw 3-4 and merges the locking taper hole (the locking taper hole on the left lock sleeve is 4-1, and the locking taper hole on the right lock sleeve is 5-1) make self-tightening claw radial shrinkage.
Shown in figure 11, be provided with the hold-down apertures 3-8, fibre core guiding taper hole 3-5, the fibre core pilot hole 3-6 that are communicated with in regular turn in the said chuck; All be provided with a locking boss 3-1 on each self-tightening claw, the both sides of said locking boss all are shaped on inclined-plane 3-3, and locking boss middle part is shaped on locating slot 3-9 (shown in Figure 5), and all locating slots are distributed on the same outer circumference surface.
Be provided with the cavity (left lock sleeve is interior for being 5-3 in 4-3, the right lock sleeve), claw guiding taper hole (left lock sleeve is interior for being 5-4 in 4-4, the right lock sleeve), claw locking hole (being to be 5-5 in 4-5, the right lock sleeve in the left lock sleeve), the locking taper hole (being to be 5-1 in 4-1, the right lock sleeve in the left lock sleeve) that are communicated with in regular turn in the said lock sleeve; Be provided with a circle locking lug, nib (being to be 5-2 in 4-2, the right lock sleeve in the left lock sleeve) in the said claw locking hole, the locating slot 3-9 snap-fit at said locking lug, nib and said locking boss middle part is to realize the location to lock sleeve; Said locking taper hole is exerted pressure to the inclined-plane of said locking boss claw is shunk.
The right-hand member of said left lock sleeve is shaped on the spliced eye 4-6 that matches with right lock sleeve left end; The inwall of this spliced eye applies radial pressure to right lock sleeve left end; Boss 1-4 on the right lock sleeve inwall compressing fibre core briquetting to compress two butt joint optical fiber, accomplishes fibre junction.
Claims (5)
1. mechanical single-core optical fiber cold splice; Comprise that one is shaped on the holder (1) of mounting groove (1-1); Be embedded with the V-type groove derby (2) that is used to locate fibre core in the said mounting groove; The two ends of holder respectively are shaped on a pilot hole (1-8) coaxial with this holder, all locate in each pilot hole one be used to clamp tight optical fiber crust chuck (3); Described chuck comprises that one is positioned at the cylindrical body (3-2) in the said pilot hole, is provided with the locking slot (3-7) that is formed by at least three self-tightening claws (3-4) at an end of cylindrical body; It is characterized in that:
The middle part of said holder (1) is shaped on the pressing groove that stretches along its length direction; Be provided with in this pressing groove one be used to compress fibre core fibre core briquetting (1-2), the right ends of fibre core briquetting is positioned on the holder at said pressing groove two ends through a rubber-like dowel (1-6) respectively; The peripheral outer wall of holder is slightly stretched out to form a pretension face (1-3) in the top of said fibre core briquetting, is shaped on a boss (1-4) on this pretension face;
Other is provided with two and is used to lock said two chucks and compresses the left lock sleeve (4) of said fibre core briquetting, right lock sleeve (5); All be shaped on the cavity that adapts with said holder in two lock sleeves; Peg graft at the holder middle part in the end of two lock sleeves; The inwall of two lock sleeves is all through pressing down pretension face on the said fibre core briquetting with the pretension fibre core, and wherein the inwall of a lock sleeve is through pressing down boss on the said fibre core briquetting to compress fibre core; The tail end of said two lock sleeves all is shaped on to match with said self-tightening claw and merges the locking taper hole make self-tightening claw radial shrinkage.
2. mechanical single-core optical fiber cold splice according to claim 1 is characterized in that: be provided with the hold-down apertures (3-8), fibre core guiding taper hole (3-5), the fibre core pilot hole (3-6) that are communicated with in regular turn in the said chuck; All be provided with a locking boss (3-1) on each self-tightening claw, the both sides of said locking boss all are shaped on inclined-plane (3-3), and locking boss middle part is shaped on locating slot (3-9), and all locating slots are distributed on the same outer circumference surface.
3. mechanical single-core optical fiber cold splice according to claim 1 and 2 is characterized in that: be provided with the cavity, claw guiding taper hole, claw locking hole, the locking taper hole that are communicated with in regular turn in the said lock sleeve; Be provided with a circle locking lug, nib in the said claw locking hole, locating slot (3-9) snap-fit at said locking lug, nib and said locking boss middle part is to realize the location to lock sleeve; The inwall of said locking taper hole is exerted pressure to the inclined-plane (3-3) of said locking boss claw is shunk.
4. mechanical single-core optical fiber cold splice according to claim 3 is characterized in that: the right-hand member of said left lock sleeve is shaped on the spliced eye (4-6) that matches with right lock sleeve left end, and the inwall of this spliced eye applies radial pressure to right lock sleeve left end.
5. mechanical single-core optical fiber cold splice according to claim 4 is characterized in that: the two ends of said V-type groove derby are provided with the wedge-shaped slot (2-1) that is used to lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101965969A CN101840036B (en) | 2010-06-07 | 2010-06-07 | Mechanical single-core optical fiber cold splice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101965969A CN101840036B (en) | 2010-06-07 | 2010-06-07 | Mechanical single-core optical fiber cold splice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101840036A CN101840036A (en) | 2010-09-22 |
| CN101840036B true CN101840036B (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101965969A Expired - Fee Related CN101840036B (en) | 2010-06-07 | 2010-06-07 | Mechanical single-core optical fiber cold splice |
Country Status (1)
| Country | Link |
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| CN (1) | CN101840036B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950653A (en) * | 2017-04-12 | 2017-07-14 | 渭南师范学院 | A kind of fiber optic communication electric wire connecting junction |
| CN109001861A (en) * | 2018-07-20 | 2018-12-14 | 诺仪器（中国）有限公司 | A kind of fibre junction point protection device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6572275B2 (en) * | 2000-11-28 | 2003-06-03 | The Furukawa Electric Co., Ltd. | Optical connector |
| JP3889406B2 (en) * | 2004-03-17 | 2007-03-07 | 株式会社フジクラ | Optical connector |
| CN101034191A (en) * | 2006-12-18 | 2007-09-12 | 江苏宇通光器件科技有限公司 | Optical fiber connector plug connection follower |
| JP2009211034A (en) * | 2008-02-08 | 2009-09-17 | Fujinon Corp | Connection device of optical fiber plug |
| CN201173981Y (en) * | 2008-04-11 | 2008-12-31 | 江苏宇特光电科技有限公司 | Optical fiber connection follower |
| CN201352267Y (en) * | 2009-02-20 | 2009-11-25 | 江苏宇特光电科技有限公司 | Optical fiber cold splice |
| CN201707470U (en) * | 2010-06-07 | 2011-01-12 | 杭州临安汉力光电设备有限公司 | Mechanism single-core optical fiber cold joint connector |
-
2010
- 2010-06-07 CN CN2010101965969A patent/CN101840036B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101840036A (en) | 2010-09-22 |
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Granted publication date: 20120118 Termination date: 20160607 |