CN101551494B - An optical fiber splice - Google Patents
An optical fiber splice Download PDFInfo
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- CN101551494B CN101551494B CN2009100835293A CN200910083529A CN101551494B CN 101551494 B CN101551494 B CN 101551494B CN 2009100835293 A CN2009100835293 A CN 2009100835293A CN 200910083529 A CN200910083529 A CN 200910083529A CN 101551494 B CN101551494 B CN 101551494B
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- optical fiber
- lids
- conjugate action
- lid
- fiber connector
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Abstract
The invention provides an optical fiber splice belonging to the field of communication technology. The optical fiber splice consists of two covers which are connected through the woggle joint on the mating surface. There are corresponding clamping units on the two covers. The two covers form the gap to go through and fasten the optical fiber between the mating surfaces of the two covers through the groove on the mating surfaces after the two covers are fastened together. The optical fiber splice features simple structure and easy operation. There is no need of special tools for connecting the optical fiber. When the mating surfaces of the two covers are fastened together, the gap formed between the mating surfaces directly presses the fiber to be spliced. The invention is favorable for improving the efficiency of cold joint optical fiber in a variety of fiber works to thus improve the construction progress.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of optical fiber connector.
Background technology
The mode that present optical fiber fixedly continues has fusion techniques and cold joint technology.Fusion techniques is will be after the optical fibre high temp heat fused to connect again, but inconvenient operation, cost height; The cold joint technology is that a kind of very high device of bearing accuracy that adopts is connected optical fiber align; and the optical fiber interconnection technique of reliably protecting butt joint optical fiber; this technology does not need high temperature heating that fiber-fuse is connected again, compares simplification optical fiber (optical cable) with fusion techniques and handles and reduce the running cost that continues, need not to power and advantage that the construction tool cost is low.Arrive X (family/building/commuting case/roadside) (FTTX at optical fiber, Fiber To The X (Home/Building/Cabinet/Curb)) Optical Distribution Network (ODN of engineering, OpticalDistribution Network) is used widely in the project, can shorten the shortening engineering time of ODN project, reduce cost.
Aspects such as the gordian technique of optical fiber cold joint technology mainly contains fiber alignment, penetrates, centering compresses realize that optical fiber cold joint, device fixing and protection optical fiber are called optical fiber connector.The structure of existing a kind of optical fiber connector as shown in Figure 1-Figure 3, be made up of end part 3, continue part 2 and 1 three parts of cover piece, wherein end part 3 and cover piece 1 are plastic parts, and the part 2 that continues is metalwork, there is the hole of passing for optical fiber at part 3 two ends in the end, there is the chamber centre, and the part 2 that continues places the chamber, and top cover 1 clamps the part 2 that continues, when the needs jointed fiber, top cover 1 is depressed, and subsidiary nose bar structure (scheming not label) part 2 closures that will continue on the top cover 1 clamp and optical fiber 4 that the part 2 of fixedly continuing is interior.
The optical fiber connector of the another kind of structure that prior art provides is compressed by outer metal shell segmentation (3 sections) as shown in Figure 4, is provided with the V-type groove that passes optical fiber between the two compacted parts.Need corresponding instrument during this optical fiber connector jointed fiber, have construction of switch on the instrument and can control opening and closing of optical fiber connector by the action of instrument, referring to Fig. 4, earlier switch block 101 is inserted optical fiber connector during cold joint, metal shell struts, and V-type groove space increases, and optical fiber 102 is inserted, then switch block 101 is extracted from optical fiber connector successively, optical fiber 102 is fixed.
Prior art also provides a kind of optical fiber connector of the employing cam rotating mechanism as Fig. 5-shown in Figure 6, use cam rotating mechanism 203 rotation vertically to promote push rod 202 and come grip optical fibers 201, push rod 202 is not stressed before the rotation, space, V-type groove place is bigger, optical fiber 201 is fed, the push rod 202 stressed V-type grooves of going up in rotation back move, space, V-type groove place diminishes, optical fiber 201 is compacted, realize being connected and fixed of fibre-optical splice, the cross section structure of (being before and after the crimping) is referring to Fig. 5,6 before and after this parts rotation.
From the optical fiber connector of the above-mentioned cold joint optical fiber of introducing existing several structures, the inventor finds that there is following problem at least in prior art: existing optical fiber connector all has complex structure, and especially compressing structure is complicated, causes the loaded down with trivial details problem of assembling.
Summary of the invention
The embodiment of the invention provides a kind of optical fiber connector, and its compressing structure is simple, and is easy to assembly.
The embodiment of the invention provides a kind of optical fiber connector, comprising:
Two lids, each lid comprises the field of conjugate action, described two lids flexibly connect by the connecting portion on the field of conjugate action, the corresponding screens portion that is provided with two lids of chucking fastening on two lids, two lids chuckings fasten the back and form the space of passing and tighten optical fiber by the groove that is provided with on the field of conjugate action between two lid fields of conjugate action;
Described space is to cooperate the space with gradual change space groove shape structure that constitutes by the fine groove of leading on the naked fine pressing groove on the lid field of conjugate action in described two lids and another lid field of conjugate action.
The technical scheme that is provided by the invention described above embodiment as can be seen, the optical fiber connector of the embodiment of the invention has simple in structure, easy and simple to handle, need not specialist tools during the jointed fiber operation, the field of conjugate action snap fastener of two lids of optical fiber connector is fashionable, directly the optical fiber that continues is compressed by the space that forms between the field of conjugate action, help improving the efficient of cold joint optical fiber in various optical fiber engineerings, and then improve construction speed.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the optical fiber connector that Fig. 1 provides for prior art;
Fig. 2 is the cross section structure synoptic diagram before the optical fiber connector of Fig. 1 fastens;
Fig. 3 is the cross section structure synoptic diagram after the optical fiber connector of Fig. 1 fastens;
The cross section structure synoptic diagram of the optical fiber connector of the another kind of structure that Fig. 4 provides for prior art;
Cross section structure synoptic diagram before the compressing of the optical fiber connector of another structure that Fig. 5 provides for prior art;
Fig. 6 is that the optical fiber connector of Fig. 5 is installed the cross section structure synoptic diagram after optical fiber compresses;
The structural representation of the optical fiber connector open mode that Fig. 7 provides for the embodiment of the invention;
The gap structural representation of the optical fiber connector buckling state that Fig. 8 provides for the embodiment of the invention;
The Facad structure synoptic diagram of the optical fiber connector that Fig. 9 provides for the embodiment of the invention;
Figure 10 is that the A-A of Fig. 9 is to the cross section structure synoptic diagram;
Figure 11 is that the B-B of Fig. 9 is to the cross section structure synoptic diagram;
The side structure synoptic diagram of the optical fiber connector that Figure 12 provides for the embodiment of the invention;
Figure 13 is that the C-C of Figure 12 is to the cross section structure synoptic diagram;
Figure 14 is that the D-D of Figure 12 is to the cross section structure synoptic diagram;
Cross section structure synoptic diagram under the buckling state of the optical fiber connector that Figure 15 provides for the embodiment of the invention;
Cross section structure synoptic diagram under the open mode of the optical fiber connector that Figure 16 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment one
Present embodiment one provides a kind of optical fiber connector, is used for the cold joint mode and connects optical fiber, and shown in Fig. 7-11, this optical fiber connector comprises:
Two lids 21,22, each lid comprises the field of conjugate action, the field of conjugate action of two lids 21,22 flexibly connects by connecting portion 24, the corresponding screens portion 28 that two lids, 21,22 chuckings are fastened that is provided with on the field of conjugate action of two lids 21,22.Two lid 21,22 chuckings fasten the back is formed for passing and tightening optical fiber between two lids, 21,22 fields of conjugate action by the groove that is provided with on the field of conjugate action space 23.
In the above-mentioned optical fiber connector, the connecting portion 24 on the field of conjugate action of two lids 21,22 can be arranged on the middle lower end of the field of conjugate action, can connecting portion with hinged, glued joint or, make 21,22 flexible connections of two lids with the 3rd parts ways of connecting.And, two lids 21, screens portion 28 on 22 is arranged on two lids 21, the position, upper end of 22 fields of conjugate action, screens portion on one lid, 21 fields of conjugate action is a raised structures, screens portion on another lid 22 fields of conjugate action is the sunk structure with the screens portion corresponding matching of this raised structures, the shape of the shape of raised structures screens portion and sunk structure screens portion is complementary, be moving point with connecting portion 24 like this, can with a lid 21 along connecting portion 24 after the rotation of the direction (direction among Figure 11 shown in the A) of another lid 22 is drawn close, by screens portion 28 field of conjugate action chucking of two lids is fastened.For convenient two lid foldings, spanner portion 29 can be set on a lid, this spanner portion 29 can be arranged on lid 21 upper ends with raised structures screens portion, comes two lids of folding easily by spanner portion 29.For the angle that makes two lid foldings is unlikely to excessive, also limiting section 210 (limiting section 210 can be arranged on the lower end of connecting portion 24 on two lids) can be set in the lower end of two lids 21,22, limiting section on one lid, 21 fields of conjugate action is made as raised structures, and the limiting section on another lid 22 fields of conjugate action is made as the sunk structure with raised structures limiting section corresponding matching, like this, during two lids of folding, because the effect of limiting section, it is spacing that two lids reach limited of certain angle, during butt joint optical fiber, use more convenient.
In the above-mentioned optical fiber connector, two lids 21, it is to cooperate the space with gradual change space groove shape structure that constitutes by the fine groove 27 of leading on the naked fine pressing groove on the lid field of conjugate action 26 and another lid field of conjugate action that 22 chuckings fasten the space 23 that forms between the field of conjugate action of back, it specifically is the field of conjugate action middle part that naked fine pressing groove 26 is arranged on a lid, and the two ends of naked fine pressing groove 26 are set to the groove shape structure 25 in gradual change space, be divided into two sections and will lead fine groove 27, divide the two ends that are located at another lid field of conjugate action middle part, like this at two lids 21,22 by behind the screens portion 28 chucking fastenings, the two ends of the naked fine pressing groove 26 on lid 21 respectively with another lid 22 on two sections lead fine groove 27 and cooperate, form the space 23 that is used to pass and tighten optical fiber that a joint has gradual change space groove shape structure.In the reality, naked fine pressing groove 26 can be V-type groove shape structure, and its two-end part is gradual change V-type groove shape structure, gradual change cylindrical space groove shape structure or gradual change cylindroid body space groove shape structure.And the fine groove 27 of leading on another lid 22 can be V-type groove shape structure, trihedral space groove shape structure, cylindrical space groove shape structure or cylindroid body space groove shape structure.
Can know, the gradual change space structure 25 at naked fine pressing groove 26 two ends and the concrete structure of leading fine groove 27 also are not limited to above-mentioned several forms, if make naked fine pressing groove 26 with lead can between two lids, form after fine groove 27 cooperates conveniently pass, the space of grip optical fibers.And, the place, opposite end that also can two sections leads fine groove 27 is set to the groove shape structure in gradual change space, and the two ends of the naked fine pressing groove 26 on another lid are not provided with gradual change space groove shape structure, after such two lids chucking fastens, lead fine groove 27 and still can between two lids, form space for two sections on one section naked fine pressing groove 26 on the lid and another lid with gradual change space groove shape structure.
Below in conjunction with Figure 12-shown in Figure 16, to the structure of above-mentioned optical fiber connector and utilize the process of this optical fiber connector butt joint optical fiber to be described further.
As shown in figure 12, the critical piece of this optical fiber connector is made up of lid 21 and lid 22 two parts, two lids 21,22 fields of conjugate action are provided with connecting portion 24,24 places can adopt hinged at connecting portion, glued joint or realize the flexible connection of lid 21 and lid 22 with the 3rd parts connected mode, two lids 21,22 connection backs are that the center can rotate by a small margin with connecting portion 24, two lids 21,22 upper ends are provided with the screens structure as screens portion 28, the screens structure mainly relies on the elasticity of a lid 21 and another lid 22 materials to tighten fastening, makes two lids 21, after 22 chuckings fasten pretightning force is arranged.After two lid 21,22 chuckings fasten, form space 23 between the field of conjugate action of lid 21 and lid 22, space 23 is made of as two sections one section naked fine pressing groove 26 and two sections gradual change space structures 25 of leading junction between fine groove 27 and the naked fine pressing groove 26 as naked fine pressing groove of leading fine groove 27 and middle part of leading fine groove two ends, referring to Figure 13,14.Wherein, one section middle naked fine pressing groove 26 is the trihedral space structure, be that one section V-type groove is set on a lid field of conjugate action, after two lid chuckings fasten, the V-type groove cooperates the one section trihedral space structure that forms with the field of conjugate action of another lid, and make place, V-type groove two ends be set to cylindrical gradual change space structure 25, and the fine groove 27 of leading at two ends is two sections cylindrical spaces, be that correspondence is provided with two sections cylindrical space structure grooves on the field of conjugate action of another lid, after such two lids fastened, the naked fine pressing groove 26 of trihedral space structure cooperated one section space 23 that has different cross section and have the gradual change space structure of formation with the fine groove 27 of leading of two terminal circle cylinder space structure groove in the middle of just making.
During butt joint optical fiber, with lid 21 along folding direction Unscrew, 23 interpolations are gone into optical fiber 211 to the space, realize the naked fibre of pressed fiber joint by the size in the trihedral space 26 between control lid 21 and the lid 22, promptly by rotating the size in two lid 21,22 may command spaces 23, when lid 21 was closed, the naked fibre at fiber alignment place was compressed by three plane butt joints in trihedral space 26.In like manner, the face of cylinder of the cylindrical space in the space 23 that constituted by lid 21 and lid 22 at the optical fiber connector two ends of the optical fiber of the band coat of the naked fine back at fiber alignment place compresses.And middle trihedral space 26 with lead the gradual change cylindrical space structure 25 of fine groove 27 junctions, can play the effect that seamlessly transits, reach and make things convenient for optical fiber to insert smoothly and the centering effect, the cross section structure after the optical fiber connector clamping fastens is as shown in figure 16.
Can know that the connecting portion 24 of two lids of optical fiber connector is not limited to illustrated position, also can connect, bring in the continuous operation of the cold joint that carries out optical fiber connector by rotating one of two lid fields of conjugate action in other position of the field of conjugate action or an end of two parts.
The optical fiber connector of the embodiment of the invention has simple in structure, easy and simple to handle, need not specialist tools during the jointed fiber operation, the field of conjugate action snap fastener of two lids of optical fiber connector is fashionable, directly the optical fiber that continues is compressed by the space that forms between the field of conjugate action, help improving the efficient of cold joint optical fiber in various optical fiber engineerings, and then improve construction speed
Embodiment two
The structure of the optical fiber connector that optical fiber connector that present embodiment two provides and embodiment one provide is basic identical, different is also is provided with metal shell at two cover outer surfaces of this optical fiber connector, and two lids that will tighten after fastening by metal shell coat.The optical fiber connector of the embodiment of the invention has simple in structure, easy and simple to handle, need not specialist tools during the jointed fiber operation, the field of conjugate action snap fastener of two lids of optical fiber connector is fashionable, directly the optical fiber that continues is compressed by the space that forms between the field of conjugate action, help improving the efficient of cold joint optical fiber in various optical fiber engineerings, and then raising construction speed, also be provided with metal shell at two cover outer surfaces in addition, this optical fiber connector reaches requirements such as strengthening fastness or antidusting powder applicable to the abominable applications of environment.
In sum, pass the also space of grip optical fibers by between two lid fields of conjugate action of rotatable fastening, being provided with in the embodiment of the invention, under the prerequisite that does not need specialist tools, after fastening two lid chuckings, finishes rotary manipulation that can be easy the cold joint operation of optical fiber, with being set to have the gradual change space structure in the space between two lids of this optical fiber connector, made things convenient for penetrating smoothly of optical fiber simultaneously.This optical fiber connector is simple in structure, easy to use, can effectively improve optical fiber cold joint speed, and then improves the construction speed of optical-fiber network engineering.
The above; only be the preferable embodiment of the present invention; but protection scope of the present invention is not limited thereto; the present invention is not caused any restriction because of the succession of each embodiment relation yet; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. an optical fiber connector is characterized in that, comprising:
Two lids, each lid comprises the field of conjugate action, described two lids flexibly connect by the connecting portion on the field of conjugate action, the corresponding screens portion that is provided with two lids of chucking fastening on two lids, two lids chuckings fasten the back and form the space of passing and tighten optical fiber by the groove that is provided with on the field of conjugate action between two lid fields of conjugate action;
Described space is to cooperate the space with gradual change space groove shape structure that constitutes by the fine groove of leading on the naked fine pressing groove on the lid field of conjugate action in described two lids and another lid field of conjugate action.
2. a kind of optical fiber connector according to claim 1 is characterized in that, described naked fine pressing groove is arranged on the middle part of the lid field of conjugate action in described two lids, and the two-end part of described naked fine pressing groove is a gradual change space groove shape structure; Described to lead fine groove be two sections, divides the two-end part that is located at another lid field of conjugate action, two lids chuckings fasten described naked fine pressing groove two ends, back respectively with another lid on two sections lead the space that fine groove cooperates formation to have gradual change space groove shape structure.
3. a kind of optical fiber connector according to claim 1 and 2 is characterized in that, described naked fine pressing groove is a V-type groove shape structure, and its two-end part is gradual change V-type groove shape structure, gradual change cylindrical space groove shape structure or gradual change cylindroid body space groove shape structure.
4. a kind of optical fiber connector according to claim 1 and 2 is characterized in that, described to lead fine groove be V-type groove shape structure, trihedral space groove shape structure, cylindrical space groove shape structure or cylindroid body space groove shape structure.
5. a kind of optical fiber connector according to claim 1, it is characterized in that, screens portion on the lid field of conjugate action in described two lids is a raised structures, and the screens portion on another lid field of conjugate action is the sunk structure with the screens portion corresponding matching of described raised structures.
6. a kind of according to claim 1 or 5 optical fiber connector is characterized in that, described screens portion is arranged on the position, field of conjugate action upper end of two lids.
7. a kind of optical fiber connector according to claim 1 is characterized in that, goes back correspondence on described two lid fields of conjugate action and is provided with limiting section, and it is spacing by described limiting section that described two lids reach certain angle.
8. a kind of optical fiber connector according to claim 7, it is characterized in that, limiting section in described two lids on the lid field of conjugate action is a raised structures, and the limiting section on another lid field of conjugate action is the sunk structure with the limiting section corresponding matching of described raised structures.
9. a kind of optical fiber connector according to claim 1 is characterized in that, described two cover outer surfaces are provided with metal shell.
10. a kind of optical fiber connector according to claim 1 is characterized in that, also is provided with spanner portion on the described lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100835293A CN101551494B (en) | 2009-05-08 | 2009-05-08 | An optical fiber splice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100835293A CN101551494B (en) | 2009-05-08 | 2009-05-08 | An optical fiber splice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101551494A CN101551494A (en) | 2009-10-07 |
| CN101551494B true CN101551494B (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100835293A Expired - Fee Related CN101551494B (en) | 2009-05-08 | 2009-05-08 | An optical fiber splice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101551494B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833141B (en) * | 2010-03-17 | 2011-09-14 | 无锡光太光通讯器件有限公司 | Ferrule device with exhausting slot |
| CN104808294B (en) * | 2015-04-28 | 2016-10-19 | 上海大学 | A kind of big angle rotary fiber device |
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2009
- 2009-05-08 CN CN2009100835293A patent/CN101551494B/en not_active Expired - Fee Related
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| CN101551494A (en) | 2009-10-07 |
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Granted publication date: 20110406 Termination date: 20210508 |