CN104698547A - Bendable tail sleeve of optical fiber connector - Google Patents
Bendable tail sleeve of optical fiber connector Download PDFInfo
- Publication number
- CN104698547A CN104698547A CN201310669970.6A CN201310669970A CN104698547A CN 104698547 A CN104698547 A CN 104698547A CN 201310669970 A CN201310669970 A CN 201310669970A CN 104698547 A CN104698547 A CN 104698547A
- Authority
- CN
- China
- Prior art keywords
- tail cover
- hollow column
- tail
- retaining member
- shape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3854—Ferrules characterised by materials
-
- 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
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention provides a tail sleeve of an optical fiber connector. The tail sleeve comprises an elastic hollow-column-shaped body and a shape retainer, wherein the elastic hollow-column-shaped body defines the axial direction; and the shape retainer is formed on the inner surface of the hollow-column-shaped body. A force can be applied to the tail sleeve of the optical fiber connector, so that the tail sleeve can be bent to be in a required shape. After the tail sleeve is bent, the shape retainer in the tail sleeve can also be bent. After the external force applied to the bent tail sleeve disappears, the shape of the bent tail sleeve can be maintained by the shape retainer. If the tail sleeve is required to recover, a user can apply a force to the tail sleeve to bend the tail sleeve.
Description
Technical field
The present invention relates to a kind of joints of optical fibre, relate more specifically to a kind of tail cover of the joints of optical fibre.
Background technology
The application of optical fiber in communication and data storing is day by day flourishing, can carry out the transmission of communications and data at a high speed.The joints of optical fibre are used on the equipment such as instrument, communication apparatus, interchanger, and these equipment accommodate many joints of optical fibre.The optical fiber stretched out from connector can bend due to the effect of gravity, or is subject to the effect of external force and bends.When light signal transmits in optical fiber, if the bending radius of optical fiber is too small, the loss of light signal will be caused.For avoiding optical fiber to produce excessive bending, the tail cover (boot) of tension force of can releiving can be used on the joints of optical fibre.The tail cover of this tension force of can releiving from the optical fiber that the joints of optical fibre stretch out, can provide slow, smooth-going to other environment and continuous print transformation, to make light signal maintain in acceptable level.
Generally speaking, when the tail cover of tension force of can releiving is not subject to External Force Acting, it has straight, unbent shape, and tail cover so is found in United States Patent (USP) the 5th, 781, No. 681.With reference to figure 1, United States Patent (USP) the 5th, the joints of optical fibre 100 disclosed by 781, No. 681 include optical fiber 110, overlap 120 stretch out by the tail of the joints of optical fibre 100 tail end.When tail cover 120 is subject to a lateral force, such as optical fiber is subject to Action of Gravity Field and pulls tail when overlapping 120, and tail cover 120 can produce bending.If this lateral force is excessive, tail still can be caused to overlap 120 and to produce large bending, and then make optical fiber produce micro-curved loss.In addition, above-mentioned optical fiber 110 also often can be used in distributing cabinet, and because the space in distributing cabinet is little, usually need optical fiber arrangement to curve a branch of, this also can cause tail to overlap 120 and bend.
With reference to figure 2, for solving the problem, United States Patent (USP) the 6th, 634, No. 801 tails disclosing a kind of adjustable joints of optical fibre overlap 200, and it has static part 220 and moving part 230, the angle of bend of mobile moving part 230 adjustable tail cover 200.
But above-mentioned tail cover 200 utilizes sawtooth (teeth) to do the adjustment of angle, therefore cannot be adjusted to arbitrarily desired angle of bend, and the structure of the moving part 230 of tail cover 200 is also rather complicated.Moreover tail cover 200 also only can adjust angle of bend in one direction.
In addition, with reference to figure 3, Fig. 4, also have dealer to provide a kind of tail cover 300 of the flexible joints of optical fibre, it includes flexible hollow column 310 and the teat 330 be formed on hollow column 310 outside surface, is embedded with iron wire 340 in teat 330.
After above-mentioned tail cover 300 is bending, the iron wire 340 of its inside also can and then bend.And after the external force of bending tail cover 300 disappears, because iron wire 340 has plasticity, tail can be made to overlap 300 and remain on this shape.Make tail overlap 300 and return back to original shape, only need the bending tail cover 300 that exerts a force again.
Above-mentioned tail cover 300 includes plastics and metal two kinds of materials.As everyone knows, the associativity of metal and plastics is not good, and metallic tail cover 300 needs to make to manually, not easily with Machine automated a large amount of production.
In view of this, just have and need to propose a kind of scheme, to solve the problem.
Summary of the invention
The invention provides a kind of tail cover of the joints of optical fibre.
For reaching above-mentioned purpose, the tail cover of the joints of optical fibre of the present invention comprises: flexible hollow column, defines axis; And shape retaining member (shape-maintainable member), be formed on the inside surface of hollow column.
According to the tail cover of the joints of optical fibre of the present invention, because shape retaining member has the characteristic of form trait, the bending tail cover that therefore can exert a force becomes desired shape.After tail cover is bending, the extension of shape retaining member also can and then bend.And after the external force of bending tail cover disappears, because shape retaining member has the characteristic of form trait, tail cover can be made to remain on this shape, tail cover be made to return back to original shape, the bending tail that only needs to exert a force again overlaps.
In order to allow above and other objects of the present invention, feature and advantage can be more obvious, embodiment of the present invention cited below particularly, and coordinate appended diagram, be described in detail below.
Accompanying drawing explanation
Fig. 1 is the stereographic map of the tail cover of existing fiber connector.
Fig. 2 is the stereographic map of the tail cover of the existing adjustable joints of optical fibre.
Fig. 3 is the stereographic map of the tail cover of the existing flexible joints of optical fibre.
Fig. 4 is the cut-open view of the tail cover of the existing flexible joints of optical fibre.
Fig. 5 is the stereographic map of the tail cover of the joints of optical fibre of the present invention.
Fig. 6 is the stereographic map of the shape retaining member of the tail cover of the joints of optical fibre of the present invention.
Fig. 7 is another stereographic map of the shape retaining member of the tail cover of the joints of optical fibre of the present invention.
Fig. 8 is the cut-open view along line 8-8 in Fig. 6.
Fig. 9 is the cut-open view along line 9-9 in Fig. 6.
Embodiment
With reference to figure 5 to Fig. 9, the tail cover (boot) 500 of the flexible joints of optical fibre of the present invention is in order to be connected with the joints of optical fibre, wherein tail cover 500 comprises and has flexible hollow column 510, define axial 520, optical fiber is then connected (not shown) through its hollow space 512 with the joints of optical fibre.On the outside surface of hollow column 510, be formed with axially 520 teats 530 arranged, it is extended towards head end 516 by the tail end 514 of hollow column 510.Teat 530 is formed with multiple perpendicular to axial direction 520 and the groove 532 be parallel to each other.The tail end of teat 530 is formed with perforate 534.In addition, at the inside surface of hollow column 510, be embedded with shape retaining member (shape-maintainablemember) 540, its exposed inside surface at hollow column 510, this shape retaining member 540 has the body 542 of hollow cylindrical, is embedded in the inside surface of hollow column 510.Body 542 is formed with axially 520 flutings 547 formed, extends to the other end from one end of body 542.One end axial 520 of body 542 is extended a pair extension 541, is embedded in the inside surface of hollow column 510 symmetrically, and extends to the head end 516 of hollow column 510.On the inside surface of each extension 541, be formed with recess 546.The other end of body 542 then axially 520 extends and has elongated spine 544, and be embedded in teat 530, and extend to the tail end 514 of hollow column 510, the groove 532 wherein on teat 530 exposes spine 544.In addition, spine 544 is formed with recess 545 close to its tail end place, the tail end of spine 544 is then formed with perforate 548, be connected with the perforate 534 on teat 530.In the place of the both sides of spine 544 close to body 542, extend respectively and have C shape portion 543, be relatively embedded in the inside surface of hollow column 510, and be separated with body 542.
According to the tail cover 500 of the joints of optical fibre of the present invention, wherein hollow column 510 is made by having flexible plastic material, and shape retaining member 540 is then be made up of the plastic material with shape retention properties.In the present invention, the shape retaining member 540 with shape retention properties can produce deformation after referring to and being subject to mechanical external force effect, and after mechanical external force disappears, still can keep this shape, and the shape retaining member 540 after distortion can apply external force again and makes it return back to original shape.In one embodiment, the shape-retaining substance that shape retaining member 540 can be manufactured with tygon (Polyethylene, PE) by the Sekisui Chemical Co., Ltd of Japan (Sekisui Chemical Company, Limited) is made.In another embodiment, shape retaining member 540 can be made up of the improvement polyester of the tool solid ability of TaiWan, China patented claim No. 101136342 patent diselosesll.According to the tail cover 500 of the joints of optical fibre of the present invention, wherein cylindric body 542 is tightly embedded in the inside surface of hollow column 510, prevents shape retaining member 540 from coming off from hollow column 510.Extension 541 is tightly embedded in the inside surface of hollow column 510, and extends to the head end 516 of hollow column 510, to make the inlet end of tail cover 500 fully flexible.Elongated spine 544 mainly bends for user, with the shape keeping tail to overlap 500.
According to the tail cover 500 of the joints of optical fibre of the present invention, in use the head end 516 of hollow column 510 is enclosed within the tail end of the joints of optical fibre.Due to the body 542 of shape retaining member 540 being formed with axial fluting 547, therefore can supportting by pulling of extension 541 large, allow tail overlap 500 and more can be combined with the joints of optical fibre closely.In addition, tail cover 500 is after completing, and hollow column 510 covers the recess 545,546 of shape retaining member 540, and inserts the fluting 547 on body 542, therefore allows shape retaining member 540 not easily come off from hollow column 510.
According to the tail cover 500 of the joints of optical fibre of the present invention, because shape retaining member 540 has the characteristic of form trait, the bending tail that therefore can exert a force cover 500 one-tenth desired shapes.After tail cover 500 is bending, the spine 544 of shape retaining member 540 also can and then bend.And after the external force of bending tail cover 500 disappears, because shape retaining member 540 has the characteristic of form trait, tail can be made to overlap 500 and remain on this shape.Make tail overlap 500 and return back to original shape, only need the bending tail cover 500 that exerts a force again.
According to the tail cover 500 of the joints of optical fibre of the present invention, because the shape retaining member 540 having flexible hollow column 510 and have a shape retention properties is all formed with plastic material, therefore mould can be used to manufacture in a large number with the engineering method of ejection formation, and both associativities are good, are not easily separated from each other.And the Bending Deformation intensity of tail cover 500 will be adjusted, only need the thickness, the particularly thickness of spine 544 that change shape retaining member 540.In addition, the formation of the groove 532 on teat 530 is that the spine 544 of shape retaining member 540 fixed by mould, allows hollow column 510 when ejection formation when penetrating hollow column 510, spine 544 be subject to fixing can not beat.The effect of the perforate 548 in spine 544 is the tail ends allowing mould can push up spine 544, makes hollow column 510 when ejection formation, spine 544 tail end be subject to fixing can not beat.
According to the tail cover of the joints of optical fibre of the present invention, can be applicable on any type of joints of optical fibre, comprise on the joints of optical fibre such as FC, SC and LC type.
Although the present invention with aforementioned embodiments disclose, so itself and be not used to limit the present invention, any persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the invention, when making various changes or modifications.Therefore protection scope of the present invention is when being as the criterion depending on the described claim person of defining.
Description of reference numerals
100 joints of optical fibre 110 optical fiber
120 tails overlap 200 joints of optical fibre
220 static part 230 moving parts
300 tails overlap 310 hollow columns
330 teat 340 iron wires
500 tails overlap 510 hollow columns
512 hollow space 514 tail ends
516 head ends 520 axially
530 teat 532 grooves
534 perforate 540 shape retaining members
541 extension 542 bodies
543 C Xing Bu 544 spines
545 recess 546 recesses
547 fluting 548 perforates
Claims (11)
1. a tail cover for the joints of optical fibre, this tail cover comprises:
Flexible hollow column, defines axis; And
Shape retaining member, is formed on the inside surface of described hollow column.
2. tail cover according to claim 1, the exposed inside surface at described hollow column of wherein said shape retaining member.
3. tail cover according to claim 1, wherein said shape retaining member is made up of plastic material.
4. tail cover according to claim 3, wherein said shape retaining member comprises:
Cylindric body, is formed in the inside surface of described hollow column; And
Spine, parallel described axial and extend from one end of described body, wherein said spine is formed in the inside surface of described hollow column.
5. tail cover according to claim 4, wherein said shape retaining member also comprises:
Two C shape portions, extend from the both sides of described spine respectively, and described two C shape portions are formed in the inside surface of described hollow column.
6. tail cover according to claim 4, wherein said shape retaining member also comprises:
Two extensions, parallel described axial and extend from the other end of described body, these two extensions are formed in the inside surface of described hollow column.
7. tail cover according to claim 4, this tail cover also comprises:
Teat, be axially disposed within the outside surface of described hollow column described in parallel, wherein said spine is embedded in described teat.
8. tail cover according to claim 4, wherein said body is formed with parallel described axial fluting, extends to the other end from one end of described body.
9. tail cover according to claim 7, wherein said teat is formed with multiple groove, exposes described spine.
10. tail cover according to claim 4, wherein said spine is formed with recess, and described hollow column covers described recess.
11. tail covers according to claim 6, wherein said two extensions are respectively formed with recess, and described hollow column covers described recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310669970.6A CN104698547B (en) | 2013-12-10 | 2013-12-10 | The tail cover of the flexible joints of optical fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310669970.6A CN104698547B (en) | 2013-12-10 | 2013-12-10 | The tail cover of the flexible joints of optical fibre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104698547A true CN104698547A (en) | 2015-06-10 |
| CN104698547B CN104698547B (en) | 2016-04-13 |
Family
ID=53345862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310669970.6A Expired - Fee Related CN104698547B (en) | 2013-12-10 | 2013-12-10 | The tail cover of the flexible joints of optical fibre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104698547B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441867A (en) * | 2018-05-03 | 2019-11-12 | 扇港元器件股份有限公司 | Wherein with the flexible boot of replaceable relocation device |
| US10845542B1 (en) | 2019-08-19 | 2020-11-24 | Afl Telecommunications Llc | Cable node transition assemblies |
| CN113238326A (en) * | 2021-05-12 | 2021-08-10 | 深圳意创通讯科技有限公司 | Straight-through multi-core optical fiber connector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19544724A1 (en) * | 1995-11-30 | 1997-06-05 | Siemens Nixdorf Inf Syst | Two-part curvilinear guide for optical cable into termination plug |
| US6134370A (en) * | 1998-10-30 | 2000-10-17 | Siecor Operations, Llc | Fiber optic cable guide |
| CN101136545A (en) * | 2006-07-31 | 2008-03-05 | 蒂科电子公司 | Strain relief boot for cable connector |
| US20080138018A1 (en) * | 2006-12-11 | 2008-06-12 | Fujikura Ltd. | Optical branching module and optical cable boot |
| TW200921172A (en) * | 2008-12-11 | 2009-05-16 | Protai Photonic Co Ltd | Flexibly bended boot for optical fiber connector |
-
2013
- 2013-12-10 CN CN201310669970.6A patent/CN104698547B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19544724A1 (en) * | 1995-11-30 | 1997-06-05 | Siemens Nixdorf Inf Syst | Two-part curvilinear guide for optical cable into termination plug |
| US6134370A (en) * | 1998-10-30 | 2000-10-17 | Siecor Operations, Llc | Fiber optic cable guide |
| CN101136545A (en) * | 2006-07-31 | 2008-03-05 | 蒂科电子公司 | Strain relief boot for cable connector |
| US20080138018A1 (en) * | 2006-12-11 | 2008-06-12 | Fujikura Ltd. | Optical branching module and optical cable boot |
| TW200921172A (en) * | 2008-12-11 | 2009-05-16 | Protai Photonic Co Ltd | Flexibly bended boot for optical fiber connector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441867A (en) * | 2018-05-03 | 2019-11-12 | 扇港元器件股份有限公司 | Wherein with the flexible boot of replaceable relocation device |
| US10845542B1 (en) | 2019-08-19 | 2020-11-24 | Afl Telecommunications Llc | Cable node transition assemblies |
| CN113238326A (en) * | 2021-05-12 | 2021-08-10 | 深圳意创通讯科技有限公司 | Straight-through multi-core optical fiber connector |
| CN113238326B (en) * | 2021-05-12 | 2022-03-29 | 深圳意创通讯科技有限公司 | Straight-through multi-core optical fiber connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104698547B (en) | 2016-04-13 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20211210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |