CN103823279B - A kind of joints of optical fibre - Google Patents
A kind of joints of optical fibre Download PDFInfo
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- CN103823279B CN103823279B CN201410069460.XA CN201410069460A CN103823279B CN 103823279 B CN103823279 B CN 103823279B CN 201410069460 A CN201410069460 A CN 201410069460A CN 103823279 B CN103823279 B CN 103823279B
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- joints
- fibre
- lock pin
- bare fibre
- bullport
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Abstract
The present invention relates to a kind of joints of optical fibre and at least comprise housing, lock pin and optical fiber, lock pin is arranged on the front end of housing, optical fiber to be entered in housing by the tail end of housing and is fixed at least partially in housing, the front end of optical fiber at least has one section of bare fibre for docking, lock pin has the bullport for guiding bare fibre, bare fibre to be inserted in bullport and enable bare fibre along bullport in bullport axially freely movable, the front end of bare fibre has the abrasive tip formed through grinding.In the joints of optical fibre of the present invention, the bare fibre of optical fiber front end can be freely movable in bullport, and the front end of bare fibre has the abrasive tip of grinding formation, because optical fiber can grind separately, and grind together with not needing to solidify with lock pin also, the manufacturing cost of the joints of optical fibre can be reduced significantly.
Description
Technical field
The present invention relates to the physical connection field of optical communication, more particularly, relate to a kind of joints of optical fibre.
Background technology
The existing joints of optical fibre, no matter be single fiber-optic connector or multi-fiber connector, general is all that the lock pin of optical fiber and connector is first solidified togather with bonding agent, then insertion core end face is ground together with fiber end face, because the joints of optical fibre belong to precision connector part, higher to requirement on machining accuracy, so grinding cost compare is high, and once grind undesirable, except waste optical fiber, the lock pin that cost is higher also can be scrapped, and causes the cost of the joints of optical fibre higher.In addition, for multi-fiber connector, this structure and job operation to the outstanding length of the optical fiber in the through hole of lock pin and the grinding coherence request of geometric configuration very high, cost is all higher.
Summary of the invention
The object of the present invention is to provide a kind of joints of optical fibre, these joints of optical fibre can grind optical fiber separately, and after not needing optical fiber to solidify with lock pin together with grind, therefore can reduce the manufacturing cost of the joints of optical fibre.
The joints of optical fibre of the present invention at least comprise housing, lock pin and optical fiber, described lock pin is arranged on the front end of described housing, described optical fiber to be entered in described housing by the tail end of described housing and is fixed in described housing at least partially, the front end of described optical fiber at least has one section of bare fibre for docking, described lock pin has the bullport for guiding described bare fibre, described bare fibre to be inserted in described bullport and enable described bare fibre along described bullport in described bullport axially freely movable, the front end of described bare fibre has the abrasive tip formed through grinding.
In the joints of optical fibre of the present invention, described abrasive tip is plane.
In the joints of optical fibre of the present invention, described abrasive tip is frustum, and the cone angle of described frustum is 20 degree to 160 degree, and the end face diameter of described frustum is 10 microns to 100 microns.
In the joints of optical fibre of the present invention, described abrasive tip comprises a frusto-conical portion, be positioned on frusto-conical portion top and cut sth. askew the arc transition face portion that arc-shaped transitional surface is formed and the land portions connected with described arc transition face portion by inclined-plane.
In the joints of optical fibre of the present invention, the cone angle of described frusto-conical portion is 20 degree to 160 degree, the diameter of the end face of described frusto-conical portion is 10 microns to 100 microns, the angle of the end face of described inclined-plane and described frusto-conical portion is 0 to 10 to spend, and the radius-of-curvature of described land portions is greater than 0.3 millimeter.
In the joints of optical fibre of the present invention, described abrasive tip comprises a land portions, has arc transition face portion between the face of cylinder of described land portions and described bare fibre, and the radius-of-curvature of described land portions is greater than 0.3 millimeter.
In the joints of optical fibre of the present invention, described lock pin is fixedly connected with described housing or is flexibly connected.
In the joints of optical fibre of the present invention, the abrasive tip of described bare fibre protrudes from the front end face of described lock pin.
In the joints of optical fibre of the present invention, the abrasive tip of described bare fibre is positioned at described bullport.
In the joints of optical fibre of the present invention, the abrasive tip of described bare fibre flushes with the front end face of described lock pin.
Implement the joints of optical fibre of the present invention, there is following beneficial effect: in the joints of optical fibre of the present invention, the bare fibre of optical fiber front end and the bullport clearance fit of lock pin and can be freely movable in bullport, and the front end of bare fibre has the abrasive tip of grinding formation, because optical fiber can grind separately, and grind together with not needing to solidify with lock pin also, the manufacturing cost of the joints of optical fibre can be reduced significantly.And optical fiber grinds to form separately certain geometric configuration, the optical property of naked fine butt connector effectively can be promoted.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the schematic diagram of an embodiment of the joints of optical fibre of the present invention;
Fig. 2 is the docking schematic diagram of the joints of optical fibre shown in Fig. 1;
Fig. 3 a is A-A diagrammatic cross-section in Fig. 2;
Fig. 3 b is B portion enlarged drawing in Fig. 3 a;
Fig. 4 is the schematic diagram of the first structure of the fiber end face of the joints of optical fibre shown in Fig. 1;
Fig. 5 is the schematic diagram of the second structure of the fiber end face of the joints of optical fibre shown in Fig. 1;
Fig. 6 is the schematic diagram of the third structure of the fiber end face of the joints of optical fibre shown in Fig. 1;
Fig. 7 is the schematic diagram of the 4th kind of structure of the fiber end face of the joints of optical fibre shown in Fig. 1.
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
Be described below in detail the embodiment of the joints of optical fibre of the present invention, the example of these embodiments is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.
In the description of the joints of optical fibre of the present invention, it will be appreciated that, term "front", "rear", " on ", D score, " upper end ", " lower end ", " top ", the orientation of the instruction such as " bottom " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.
The joints of optical fibre of the present invention be both applicable to the joints of optical fibre of single core, were applicable to the joints of optical fibre of multicore too.Be particularly useful for such joints of optical fibre, when the joints of optical fibre dock, the optical fiber of two connectors occurs bending and deformation because of the docking pressure of end face, thus ensures the reliable docking of the optical fiber of two docking.Illustrate how the joints of optical fibre of the present invention realize for the joints of optical fibre of a multicore below.
As shown in Fig. 1 to Fig. 3 b, be a preferred embodiment of the joints of optical fibre of the present invention, the joints of optical fibre of this embodiment comprise housing 1, lock pin 2 and optical fiber 3.Wherein lock pin 2 is arranged on the front end of housing 1, lock pin 2 is fixedly connected with housing 1 in the present embodiment, it is to be appreciated that in other embodiments, lock pin 2 also can adopt the structure be flexibly connected with housing 1, and namely lock pin 2 can slide by housing 1 relatively in housing 1.Optical fiber 3 to be entered in housing 1 by the tail end of housing 1 and is fixed in housing 1 at least partially, the front end of optical fiber 3 at least has one section of bare fibre 31 for docking, when docking with another joints of optical fibre, the bare fibre 31 of these joints of optical fibre docks with the end face of the bare fibre of another connector, to realize continuing of light path.In order to ensure that bare fibre 31 can accurately dock, lock pin 2 has the bullport 21 for guiding bare fibre 31, bare fibre 31 to be inserted in bullport 31 and to make bare fibre 31 can axially freely movable along bullport 21 in bullport 21, such as bare fibre 31 and bullport 21 can be clearance fit, when the front end face of bare fibre 31 is subject to docking pressure, bare fibre 31 can move backward relative to bullport 21, certainly, it will be appreciated that, also can be that lock pin 2 moves backward relative to described bare fibre 31, the end of described bare fibre 31 is made to expose lock pin 2 and dock with the end face of another bare fibre.In order to better obtain higher switching performance, the front end of bare fibre 31 has the abrasive tip 311 formed through grinding.The abrasive tip 311 of bare fibre 31 can protrude from the front end face of lock pin 2, or the abrasive tip 311 of bare fibre 31 is positioned at bullport 21, or the abrasive tip 311 of bare fibre 31 flushes with the front end face of lock pin 2.
In order to obtain better optical connection energy, the abrasive tip 311 of bare fibre 31 can grind to form various suitable shape.
As shown in Figure 4, for abrasive tip 311 1 kinds of versions of bare fibre 31, in this example embodiment, abrasive tip 311 is frustum, the bus of frustum and the angle theta of vertical curve are 10 to 80 to spend, and also namely the cone angle of frustum is 20 degree to 160 degree, and the end face diameter d of frustum is 10 microns to 100 microns, this frustum structure of abrasive tip 311 can also be convenient to bare fibre 31 and insert in bullport 21, can play certain guide effect.
As shown in Figure 5, for the another kind of version of the abrasive tip 311 of bare fibre 31, in this example embodiment, abrasive tip 311 comprises a frusto-conical portion 312, be positioned at frusto-conical portion 312 to push up and to be cut sth. askew the arc transition face portion 313 that arc-shaped transitional surface formed by inclined-plane, and the land portions 314 to connect with arc transition face portion 313, wherein, the angle theta of frusto-conical portion 312 bus and vertical curve is 10 to 80 to spend, also namely the cone angle of frusto-conical portion is 20 degree to 160 degree, the diameter d of the end face of frusto-conical portion 312 is 10 microns to 100 microns, the angle α of the end face of inclined-plane and frusto-conical portion 312 0 to 10 spends, the radius of curvature R of land portions 314 is greater than 0.3 millimeter, this structure of abrasive tip 311 had both been convenient to wear fibre can also improve optical property.
As shown in Figure 6, for the another kind of version of the abrasive tip 311 of bare fibre 31, in this example embodiment, abrasive tip 311 comprises a land portions 314, have arc transition face portion 313 between the face of cylinder of land portions 314 and bare fibre 31, the radius of curvature R of land portions 314 is greater than 0.3 millimeter.
As shown in Figure 7, be the another kind of version of the abrasive tip 311 of bare fibre 31, in this example embodiment, abrasive tip 311 is plane, and this structure of abrasive tip 311 is convenient to remove the burr produced when cutting knife cuts optical fiber.
Except above-mentioned illustrated several structure, the abrasive tip of bare fibre 31 also can be other various suitable shapes, is not limited to illustrated several shape.
In the joints of optical fibre of the present invention, the bare fibre of optical fiber front end and the bullport clearance fit of lock pin and can be freely movable in bullport, and the front end of bare fibre has the abrasive tip of grinding formation, because optical fiber can grind separately, and grind together with not needing to solidify with lock pin also, the manufacturing cost of the joints of optical fibre can be reduced significantly.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (6)
1. joints of optical fibre, it is characterized in that, at least comprise housing (1), lock pin (2) and optical fiber (3), described lock pin (2) is arranged on the front end of described housing (1), described optical fiber (3) to be entered in described housing (1) by the tail end of described housing (1) and is fixed in described housing (1) at least partially, the front end of described optical fiber (3) at least has one section of bare fibre (31) for docking, described lock pin (2) has the bullport (21) for guiding described bare fibre (31), described bare fibre (31) to be inserted in described bullport (21) and to make described bare fibre (31) can axially freely movable along described bullport (21) in described bullport (21), the front end of described bare fibre (31) has the abrasive tip (311) formed through grinding,
Described abrasive tip (311) comprises a frusto-conical portion (312), be positioned on frusto-conical portion (312) top and cut sth. askew the arc transition face portion (313) that arc-shaped transitional surface is formed and the land portions (314) connected with described arc transition face portion (313) by inclined-plane.
2. the joints of optical fibre according to claim 1, it is characterized in that, the cone angle of described frusto-conical portion (312) is 20 degree to 160 degree, the diameter of the end face of described frusto-conical portion (312) is 10 microns to 100 microns, the angle of the end face of described inclined-plane and described frusto-conical portion (312) is 0 to 10 to spend, and the radius-of-curvature of described land portions (314) is greater than 0.3 millimeter.
3. the joints of optical fibre according to any one of claim 1 to 2, is characterized in that, described lock pin (2) is fixedly connected with described housing (1) or is flexibly connected.
4. the joints of optical fibre according to any one of claim 1 to 2, is characterized in that, the abrasive tip (311) of described bare fibre (31) protrudes from the front end face of described lock pin (2).
5. the joints of optical fibre according to any one of claim 1 to 2, is characterized in that, the abrasive tip (311) of described bare fibre (31) is positioned at described bullport (21).
6. the joints of optical fibre according to any one of claim 1 to 2, is characterized in that, the abrasive tip (311) of described bare fibre (31) flushes with the front end face of described lock pin (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410069460.XA CN103823279B (en) | 2014-02-27 | 2014-02-27 | A kind of joints of optical fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410069460.XA CN103823279B (en) | 2014-02-27 | 2014-02-27 | A kind of joints of optical fibre |
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| Publication Number | Publication Date |
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| CN103823279A CN103823279A (en) | 2014-05-28 |
| CN103823279B true CN103823279B (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410069460.XA Active CN103823279B (en) | 2014-02-27 | 2014-02-27 | A kind of joints of optical fibre |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105988164B (en) * | 2015-02-12 | 2019-02-19 | 深圳日海通讯技术股份有限公司 | A kind of docking structure and method of the optical fiber by milled processed |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203825239U (en) * | 2014-02-27 | 2014-09-10 | 深圳日海通讯技术股份有限公司 | Optical-fiber connector |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5351327A (en) * | 1993-06-25 | 1994-09-27 | Minnesota Mining And Manufacturing Company | Polished fiber optic ferrules |
| US6415087B1 (en) * | 1997-06-04 | 2002-07-02 | Corning Laserton, Inc. | Polished fused optical fiber endface |
| CN100568034C (en) * | 2007-03-12 | 2009-12-09 | 深圳太辰光通信有限公司 | Multi-fiber connector |
| JP4827885B2 (en) * | 2008-05-30 | 2011-11-30 | 日本電信電話株式会社 | Fiber optic connector |
| JP2010113048A (en) * | 2008-11-05 | 2010-05-20 | Nippon Telegr & Teleph Corp <Ntt> | Part and method for connecting optical fiber |
| JP5167413B2 (en) * | 2009-08-10 | 2013-03-21 | 日本電信電話株式会社 | Optical connector and assembly method thereof |
| CN102360101A (en) * | 2011-11-08 | 2012-02-22 | 江苏宇特光电科技有限公司 | Methods for manufacturing and coupling movable optical fiber connector |
| CN103823278B (en) * | 2014-02-20 | 2016-05-04 | 深圳日海通讯技术股份有限公司 | A kind of joints of optical fibre and manufacture method thereof |
| CN203825238U (en) * | 2014-02-20 | 2014-09-10 | 深圳日海通讯技术股份有限公司 | Optical fiber connector |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203825239U (en) * | 2014-02-27 | 2014-09-10 | 深圳日海通讯技术股份有限公司 | Optical-fiber connector |
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Address after: 518000 Ma Jialong 17, 1701, Daxin Road, Nanshan District, Shenzhen, Guangdong, 17 Patentee after: SUNSEA AIOT TECHNOLOGY Co.,Ltd. Address before: 518057 No. 107, Tsinghua information port complex, Nanshan District, Shenzhen, Guangdong. Patentee before: SUNSEA TELECOMMUNICATIONS Co.,Ltd. |
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Effective date of registration: 20190505 Address after: 518000 Plant 1201, No. 3 Guansheng 4th Road, Luhu Community, Guanhu Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Rihai Intelligent Equipment Co.,Ltd. Address before: 518000 Ma Jialong 17, 1701, Daxin Road, Nanshan District, Shenzhen, Guangdong, 17 Patentee before: SUNSEA AIOT TECHNOLOGY Co.,Ltd. |