CN202339424U - Optical fiber aligning device used for cold connection of optical fiber - Google Patents
Optical fiber aligning device used for cold connection of optical fiber Download PDFInfo
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- CN202339424U CN202339424U CN2011204115487U CN201120411548U CN202339424U CN 202339424 U CN202339424 U CN 202339424U CN 2011204115487 U CN2011204115487 U CN 2011204115487U CN 201120411548 U CN201120411548 U CN 201120411548U CN 202339424 U CN202339424 U CN 202339424U
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Abstract
The utility model aims to disclose an optical fiber aligning device used for the cold connection of an optical fiber. The optical fiber aligning device comprises a bottom plate, wherein two sides of the bottom plate are provided with side plates; the front end and the rear end of the bottom plate are respectively provided with a guide slot; a slotted hole is formed between the guide slot on the front end of the bottom plate and the guide slot on the rear end of the bottom plate; a cover plate is arranged between the side plates; the inner side of the side plate is correspondingly provided with grooves; the cover plate is provided with a platen; the side surface of the platen is provided with bulges; and the bulges are matched with the grooves. Compared with the traditional structures, the two connection optical fibers are still kept in the tight connection state when the optical fiber suffers from the outer tensile force. In the connection process, the optical fiber does not generate microcracks, therefore, the tensile resistance of the connection optical fiber is guaranteed. The optical fiber aligning device has a higher tensile resistance, the connection quality is guaranteed, the connection loss is reduced, and the purpose of the optical fiber aligning device is realized.
Description
Technical field
The utility model relates to a kind of optical fiber align device, particularly a kind of continuous optical fiber align device that is used for optical fiber cold connection of cold joint between optical fiber and optical fiber that is used for.
Background technology
Along with people's is growing to communication bandwidth requirements, and optical fiber has been used for wireline communication network in a large number, in the construction of fiber optic network, need carry out a large amount of fibre junction work, and traditional fibre junction generally adopts the thermal welding mode of arc heated.The optical fiber cold connection mode generally adopts two fibre junctions of structure realization such as mechanical crimping, and obtains lower connecting loss.Compare with thermal welding, cold joint is continuous to continue easily and fast, need not to carry advantages such as equipment and power supply, the repairing of be fit to that Fiber to the home wiring and optical cable project.
The optical fiber cold connection device that uses in the optical fiber engineering at present mainly adopts V-type groove structure or capillary pipe structure; Make two fiber end faces in V-type groove or kapillary, dock; Butt joint is afterwards at the cover plate of V-type groove or the both sides plus-pressure of V-type groove; Make the distortion of V-type groove clamp bare fibre, and through tightening up optical fiber jacket clamp optical fiber jacket.
But the main shortcoming of existing this structure is: clamping force is not to be added on the bare fibre, but is added on the optical fiber jacket; Because clamping device generally adopts plastic material; This material at high temperature can expand, and can draw back two optical fiber, makes connecting loss become big; If clamping force is added on the sheath, because sheath material is a macromolecular material, when receiving pulling force, can't bear bigger pulling force, cause splicing point to be drawn back easily.
If at the cover plate of V-type groove or the both sides plus-pressure of V-type groove, make the distortion of V-type groove clamp bare fibre, in pressure process, can change the precision of optical fiber align, cause connecting loss to become big.
Simultaneously, the V-type groove adopts metal material, and material is harder, if pressure is crossed conference optical fiber surface is caused damage in the crimping process, produces micro-crack, and micro-crack can be expanded in long-term use, causes the splicing point resistance to tension to descend.
Therefore, need a kind of optical fiber align device that is used for optical fiber cold connection especially, solved the problem of above-mentioned existing existence.
The utility model content
The purpose of the utility model is to provide a kind of optical fiber align device that is used for optical fiber cold connection; Deficiency to prior art; Guarantee that optical fiber is in receiving the external pull process; Two jointed fibers still keep connection state closely, and have guaranteed that optical fiber can not produce micro-crack in handshaking procedure.
The technical matters that the utility model solved can adopt following technical scheme to realize:
A kind of optical fiber align device that is used for optical fiber cold connection is characterized in that it comprises a base plate; Both sides at said base plate are provided with side plate; The front-end and back-end of said base plate are respectively arranged with gathering sill, are provided with slotted eye between the gathering sill of said base plate front end and the gathering sill of said base plate rear end, are provided with cover plate between the said side plate; Said side plate inboard is provided with groove accordingly; Said cover plate top is provided with pressing plate, and the side of said pressing plate is provided with convexity, and said convexity matches with said groove.
In an embodiment of the utility model, said slotted eye is the V-type groove.
In an embodiment of the utility model, said gathering sill and said slotted eye form a triangular chamber.
In an embodiment of the utility model, said groove comprises groove and lower groove, and said upward groove and lower groove are separately positioned on the inboard of said side plate, and said upward groove is arranged on the top of said lower groove.
In an embodiment of the utility model, four end pin places of said cover plate bottom are provided with convexity.
In an embodiment of the utility model, the bottom of said pressing plate is provided with convexity.
Compared with prior art, the utlity model has following advantage:
1, the gap that forms between slotted eye and the cover plate is 125 microns, just allows optical fiber to pass through, and makes that to depress preceding two optical fiber aligns of pressing plate better, has guaranteed connecting quality, has reduced connecting loss;
2, depress pressing plate after, cover plate central authorities are pressed on the bare fibre, have guaranteed the stretching resistance of jointed fiber;
3, directly press the fine sheath of bare fibre and press polish to compare higher resistance to tension is arranged;
4, directly press the fine sheath of bare fibre and press polish to compare, connecting loss changes little when high temperature;
5, side plate cooperates through groove and convexity with pressing plate, can be so that continue two step of the front and back more accurate positioning that continue when operating;
6, fibre strain is little in the slotted eye of crimping front and back, can not cause the infringement of optical fiber.
A kind of optical fiber align device that is used for optical fiber cold connection of the utility model is compared with existing structure, guarantees that optical fiber is in receiving the external pull process; Two jointed fibers still keep connection state closely, and have guaranteed that optical fiber can not produce micro-crack in handshaking procedure, guaranteed the stretching resistance of jointed fiber; Has higher resistance to tension; Guarantee connecting quality, reduced connecting loss, realized the purpose of the utility model.
The characteristics of the utility model can consult this case graphic and below better embodiment detailed description and obtain to be well understood to.
Description of drawings
Fig. 1 is the structural representation of the optical fiber align device that is used for optical fiber cold connection of the utility model;
Fig. 2 is the structural representation of the gathering sill of the utility model;
Fig. 3 is the base plate of the utility model and the structural representation of side plate;
Fig. 4 is the structural representation of the pressing plate of the utility model;
Fig. 5 is the scheme of installation of the cover plate of the utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, the optical fiber align device that is used for optical fiber cold connection of the utility model, it comprises a base plate 100; Be provided with side plate 200 in the both sides of said base plate 100; The front-end and back-end of said base plate 100 are respectively arranged with gathering sill 110, are provided with slotted eye 120 between the gathering sill 110 of the gathering sill 110 of said base plate 100 front ends and said base plate 100 rear ends, are provided with cover plate 300 between the said side plate 200; Said side plate 200 inboards are provided with groove accordingly; Said cover plate 300 tops are provided with pressing plate 400, and the side of said pressing plate 400 is provided with protruding 410, said protruding 410 and matches with said groove.
As shown in Figure 2, slotted eye 120 is installed on the base plate 100, or directly is processed on the base plate 100.
In the utility model, said slotted eye 120 is the V-type groove, scribbles optical fiber coupling cream in the slotted eye 120; Said gathering sill 110 forms a triangular chamber with said slotted eye 120.
This has cover plate 300 on slotted eye 120 and base plate 100, and cover plate 300 forms one with slotted eye 120 and just allows 125 micron optical fibers 500 to pass through.
In the utility model, gathering sill 110 also can be the half-cone structure.
As shown in Figure 3, base plate 100 forms a U type structure with side plate 200, and side plate 200 inboards are provided with groove accordingly, and said groove is semi-circular or other shape; Said groove comprises groove 210 and lower groove 220, and said upward groove 210 and lower groove 220 are separately positioned on the inboard of said side plate 200, and said upward groove 210 is arranged on the top of said lower groove 220.
Before continuing, the convexity 410 on the pressing plate 400 cooperates with last groove 210; After crimping realized continuing, protruding 410 cooperated with lower groove 220.
As shown in Figure 4, the bottom of said pressing plate 400 is provided with protruding 420; When pressing plate 400 was depressed, the convexity 420 of pressing plate 400 bottom surfaces was pressed in downwards on the cover plate 300, caused cover plate 300 somewhat deformed, and pressed fiber.
The optical fiber align device that is used for optical fiber cold connection of the utility model can be used as a part and is installed in optical fiber cold joint device, is used for constituting like devices such as optical fiber cold joint connectors.
Optical fiber is installed on the slotted eye 120 along the optical fiber that 120, two needs of gathering sill 110 importing slotted eyes continue when continuing.
Said pressing plate 400 matches with the last groove 210 of side plate 200 through following protruding 420, makes pressing plate 400 pre-install on side plate 200.
After fiber alignment is good; Depress pressing plate 400; The convexity 410 of pressing plate 400 sides matches with the lower groove 220 of side plate 200, and the convexity 420 of pressing plate 400 is pressed on the cover plate 300, makes cover plate 300 that downward little bending arranged; The little curved pressure that is pressed on the optical fiber that makes of this of cover plate 300 strengthens, and completion continues.
Slotted eye 120 adopts metal material, plastic material or glass material to make with cover plate 300.
The handshaking procedure of the optical fiber align device of the utility model may further comprise the steps:
1, two root optical fiber in the optical fiber that has stripped by certain specification by the certain-length cutting with special-purpose cutter;
2, two optical fiber are penetrated slotted eye 120 from both sides along gathering sill 110, till two optical fiber contact in slotted eye 120;
3,, make cover plate 300 arrive the position, back of continuing to pressing down pressing plate 400.
More than show and described ultimate principle of the utility model and the advantage of principal character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described, under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications; These variations and improvement all fall in the utility model scope that requires protection, and the utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (6)
1. an optical fiber align device that is used for optical fiber cold connection is characterized in that it comprises a base plate; Both sides at said base plate are provided with side plate; The front-end and back-end of said base plate are respectively arranged with gathering sill, are provided with slotted eye between the gathering sill of said base plate front end and the gathering sill of said base plate rear end, are provided with cover plate between the said side plate; Said side plate inboard is provided with groove accordingly; Said cover plate top is provided with pressing plate, and the side of said pressing plate is provided with convexity, and said convexity matches with said groove.
2. the optical fiber align device that is used for optical fiber cold connection as claimed in claim 1 is characterized in that said slotted eye is the V-type groove.
3. the optical fiber align device that is used for optical fiber cold connection as claimed in claim 1 is characterized in that said gathering sill and said slotted eye form a triangular chamber.
4. the optical fiber align device that is used for optical fiber cold connection as claimed in claim 1; It is characterized in that; Said groove comprises groove and lower groove, and said upward groove and lower groove are separately positioned on the inboard of said side plate, and said upward groove is arranged on the top of said lower groove.
5. the optical fiber align device that is used for optical fiber cold connection as claimed in claim 1 is characterized in that, four end pin places of said cover plate bottom are provided with convexity.
6. the optical fiber align device that is used for optical fiber cold connection as claimed in claim 1 is characterized in that the bottom of said pressing plate is provided with convexity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204115487U CN202339424U (en) | 2011-10-25 | 2011-10-25 | Optical fiber aligning device used for cold connection of optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204115487U CN202339424U (en) | 2011-10-25 | 2011-10-25 | Optical fiber aligning device used for cold connection of optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202339424U true CN202339424U (en) | 2012-07-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204115487U Expired - Fee Related CN202339424U (en) | 2011-10-25 | 2011-10-25 | Optical fiber aligning device used for cold connection of optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202339424U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798942A (en) * | 2012-09-14 | 2012-11-28 | 南京华脉科技有限公司 | Mechanical optical fiber butting device |
| CN108469657A (en) * | 2018-06-21 | 2018-08-31 | 南京铁道职业技术学院 | A kind of novel optical fiber connector |
| CN108957637A (en) * | 2018-08-01 | 2018-12-07 | 湖南中科光电有限公司 | A kind of visualization optical fiber butting device |
-
2011
- 2011-10-25 CN CN2011204115487U patent/CN202339424U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798942A (en) * | 2012-09-14 | 2012-11-28 | 南京华脉科技有限公司 | Mechanical optical fiber butting device |
| CN108469657A (en) * | 2018-06-21 | 2018-08-31 | 南京铁道职业技术学院 | A kind of novel optical fiber connector |
| CN108957637A (en) * | 2018-08-01 | 2018-12-07 | 湖南中科光电有限公司 | A kind of visualization optical fiber butting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20121025 |