CN103823278A - Optical fiber connector and manufacturing method thereof - Google Patents
Optical fiber connector and manufacturing method thereof Download PDFInfo
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- CN103823278A CN103823278A CN201410058934.0A CN201410058934A CN103823278A CN 103823278 A CN103823278 A CN 103823278A CN 201410058934 A CN201410058934 A CN 201410058934A CN 103823278 A CN103823278 A CN 103823278A
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- optical fiber
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Abstract
The invention relates to an optical fiber connector and a manufacturing method of the optical fiber connector. The optical fiber connector comprises a shell and an optical fiber fixing assembly insertion core arranged in the shell. The insertion core is located at the front end of the shell and connected with the shell in a sliding mode. The insertion core is provided with a guide hole for guiding an optical fiber. The front end of the optical fiber freely extends into the guide hole. In the working state, the insertion core slides backward relative to the shell, and the front end face of the optical fiber moves backward so that the portion, located between an optical fiber fixing assembly and the rear end face of the guide hole, of the optical fiber can be bent and deform. The manufacturing method of the optical fiber connector at least includes the first step of grinding the front end of the optical fiber, the second step of fixing the ground optical fiber to the optical fiber fixing assembly, and the third step of enabling the front end of the optical fiber to penetrate through the guide hole in the insertion core, and enabling the optical fiber to move relative to the guide hole under the action of external force through the clearance fit between the optical fiber and the guide hole. According to the optical fiber connector and the manufacturing method of the optical fiber connector, the manufacturing cost is effectively reduced.
Description
Technical field
The present invention relates to optical communication field, more particularly, relate to a kind of joints of optical fibre and manufacture method thereof.
Background technology
Existing multi-fiber connector, for example MPO/MTP type connector, their principle of work and manufacture method are basic identical, connector ferrule is with the multiple through holes that penetrate for optical fiber of a row, optical fiber inserts in lock pin and by solidifying glue and lock pin and is solidified togather, then the front end of lock pin is carried out to precise finiss polishing to reach request for utilization, the grinding coherence request of outstanding length to the optical fiber in the through hole of lock pin of this structure and manufacture method and geometric configuration is very high, once the optical fiber of certain through hole does not reach requirement, to cause whole connector to be scrapped, cause the increase of the cost of multi-fiber connector.
Summary of the invention
The object of the present invention is to provide a kind of joints of optical fibre and manufacture method thereof, guaranteeing, on the basis of the reliability that optical fiber connects, to reduce the manufacturing cost of multi-core connector.
The joints of optical fibre provided by the present invention comprise housing, and are arranged on optical fiber fixation kit and lock pin in described housing;
Described optical fiber fixation kit is positioned at the tail end of described housing, and described lock pin is positioned at the front end of described housing and is slidably connected with described housing, and described lock pin has the bullport for guiding optical fiber, and the front end of described optical fiber freely extend in described bullport;
When duty, the relatively described housing of described lock pin slides backward, and moves and make the part of described optical fiber between described optical fiber fixation kit and the rear end face of described bullport form flexural deformation after the front end face of described optical fiber.
In the joints of optical fibre of the present invention, the described joints of optical fibre also comprise flexible member, and described flexible member is between described optical fiber fixation kit and described lock pin.
In the joints of optical fibre of the present invention, the front end of described housing has to connect the flat surface, and when free state, the front end face of described lock pin protrudes from described to connect the flat surface, and the front end face of described optical fiber protrudes from described to connect the flat surface; When duty, the front end face that the relatively described housing of described lock pin slides backwards on described lock pin flushes with described to connect the flat surface.
In the joints of optical fibre of the present invention, when free state, the front end face of described optical fiber is positioned at described bullport or flushes with the front end face of described lock pin.
In the joints of optical fibre of the present invention, the described joints of optical fibre also comprise centering keeper, and described centering keeper is positioned at the rear end of described lock pin, and described centering keeper is with pilot hole or reference column.
In the joints of optical fibre of the present invention, described housing comprises support, be enclosed within the tail sheath of back-end support and be enclosed within the outer frame set of support front end, and described optical fiber fixation kit is positioned at described support, and described lock pin is positioned at described outer frame set.
In the joints of optical fibre of the present invention, described optical fiber fixation kit comprises with the substrate of microflute and for described optical fiber is pressed on to the cover plate on described substrate.
Joints of optical fibre manufacture method provided by the present invention at least comprises the steps:
S1 grinds the front end of optical fiber;
S2 is fixed on the described optical fiber after grinding on optical fiber fixation kit;
S3 penetrates the front end of described optical fiber in the bullport of lock pin, described optical fiber with described bullport clearance fit so that the relative described bullport motion of masterpiece used time outside of described optical fiber.
In joints of optical fibre manufacture method of the present invention, the described joints of optical fibre comprise housing, and when free state, the front end face of described optical fiber is positioned at described bullport or flushes with the front end face of described lock pin;
When duty, the relatively described housing of described lock pin slides backward, and moves and make the part of described optical fiber between described optical fiber fixation kit and the rear end face of described bullport form flexural deformation after the front end face of described optical fiber.
In joints of optical fibre manufacture method of the present invention, the front end of described housing has to connect the flat surface, and when free state, the front end face of described lock pin protrudes from described to connect the flat surface, and the front end face of described optical fiber protrudes from described to connect the flat surface; When duty, the front end face that the relatively described housing of described lock pin slides backwards on described lock pin flushes with described to connect the flat surface.
Implement the joints of optical fibre of the present invention and manufacture method thereof, there is following beneficial effect: in the joints of optical fibre of the present invention, optical fiber extend in the bullport of lock pin freely, do not need optical fiber and lock pin to solidify rear grinding, the yields that can improve product, effectively reduces manufacturing cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the decomposing schematic representation of the first embodiment of the joints of optical fibre of the present invention;
Fig. 2 is A portion enlarged drawing in Fig. 1;
Fig. 3 is the diagrammatic cross-section of the first embodiment of the joints of optical fibre of the present invention;
Fig. 4 is the decomposing schematic representation of the second embodiment of the joints of optical fibre of the present invention;
Fig. 5 is the diagrammatic cross-section of the second embodiment of the joints of optical fibre of the present invention;
Fig. 6 is the first embodiment of the joints of optical fibre of the present invention, the schematic diagram that the second embodiment coordinates with adapter;
Fig. 7 is the schematic diagram after the first embodiment of the joints of optical fibre of the present invention and the second embodiment dock in adapter;
Fig. 8 is B-B diagrammatic cross-section in Fig. 7;
Fig. 9 is the schematic top plan view after the first embodiment of the joints of optical fibre of the present invention and the second embodiment dock in adapter;
Figure 10 is C-C diagrammatic cross-section in Fig. 9;
Figure 11 is one of docking principle schematic of the joints of optical fibre of the present invention;
Figure 12 be the joints of optical fibre of the present invention docking principle schematic two.
Embodiment
Understand for technical characterictic of the present invention, object and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
Describe the embodiment of the joints of optical fibre of the present invention and manufacture method thereof below in detail, the example of these embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.
In the description of the joints of optical fibre of the present invention and manufacture method thereof, it will be appreciated that, term 'fornt', 'back', " on ", orientation or the position relationship of the indication such as D score, " upper end ", " lower end ", " top ", " bottom " be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " etc. are only for describing object, and can not be interpreted as indication or hint relative importance.
As shown in Figure 1, Figure 2 and Figure 3, be the schematic diagram of the first embodiment of the joints of optical fibre of the present invention, the joints of optical fibre of this embodiment comprise housing 1, and are arranged on optical fiber fixation kit 2, flexible member 3 and lock pin 4 in housing 1; Optical fiber fixation kit 2 is positioned at the tail end of housing 1, for fixed fiber 5, lock pin 4 is positioned at the front end of housing 1 and is slidably connected with housing 1, flexible member 3 is between optical fiber fixation kit 2 and lock pin 4, lock pin 4 has the bullport 41 for guiding optical fiber 5, the front end of optical fiber 5 freely extend in bullport 41, and optical fiber 5 can be in the interior axial activity along bullport 41 of bullport 41.In the present embodiment, optical fiber 5 is multicore ribbon fiber, lock pin 4 correspondences there are the multiple bullports 41 of a row, but it will be appreciated that, the joints of optical fibre of the present invention are applicable to single core or double-core optical fiber connector too.
In the present embodiment, housing 1 comprises support 11, be enclosed within the tail sheath 12 and the outer frame set 13 that is enclosed within support 11 front ends of support 11 rear ends, optical fiber fixation kit 2 is positioned at support 11, optical fiber fixation kit 2 comprises with the substrate 20 of microflute and for optical fiber 5 being pressed on to the cover plate 21 on substrate 20, lock pin 4 is positioned at the front end of outer frame set 13, lock pin 4 is slidably connected with outer frame set 13, lock pin 4 relatively outer frame set 13 in the interior slip of outer frame set 13, the rear end of lock pin 4 is also provided with location centering keeper 6, centering keeper 6 is with pilot hole, when joints of optical fibre docking, the pilot hole of this centering keeper 6 inserts for the reference column of another connector, to guarantee the cooperation of two connectors.Because optical fiber 5 and lock pin 4 do not need to be solidified togather, so can first grind the front end of optical fiber 5, after grinding, again optical fiber 5 is penetrated in the bullport 41 of lock pin 4, this first solidifies for the joints of optical fibre that grind afterwards with respect to existing, can reduce significantly difficulty of processing, cut down finished cost.
Referring to Fig. 3, the joints of optical fibre of the present invention are in the time of free state, and the front end face of optical fiber 5 is positioned at bullport 41 or flushes with the front end face of lock pin 4, and the outstanding front end face with lock pin 4 of the front end face of optical fiber 5 is like this conducive to protect the front end face of optical fiber 5.When the joints of optical fibre are in running order, also in the time of mated condition, referring to Fig. 9 to Figure 12, the relative housing 1 of lock pin 4 slides backward, after the front end face of optical fiber 5, move and make the part of optical fiber 5 between optical fiber fixation kit 2 and the rear end face of bullport 41 form flexural deformation, the flexural deformation of optical fiber 5 can make the end face of the optical fiber of company's connector of docking be tight against together, guarantee that optical fiber can reliably dock, even if the length of optical fiber is slightly different, the flexural deformation of optical fiber also can be played certain compensating action, can not cause the end face of part optical fiber reliably not dock because the length of optical fiber is slightly different.
Referring to Fig. 3, in the joints of optical fibre of the present embodiment, the displacement sliding backward in order to limit lock pin 4, avoid that lock pin 4 displacements are excessive causes harmful effect to optical fiber 5, the front end of housing 1 has to connect the flat surface 131, is also the front end face of outer frame set 13, and connector is in the time of free state, the front end face of lock pin 4 protrudes to connect the flat surface 131, and the front end face of optical fiber 5 also protrudes to connect the flat surface 131; When connector is in running order, the to connect the flat surface 131 of the housing 1 of two connectors is to being against together, the front end face that the relative housing 1 of lock pin 4 slides backwards on lock pin 4 flushes with to connect the flat surface 131, and the front end face of optical fiber 5 also moves to the position roughly flushing with to connect the flat surface 131 backward.
As shown in Figure 4 and Figure 5, be the second embodiment of the joints of optical fibre of the present invention, the joints of optical fibre of the joints of optical fibre of this embodiment and the first embodiment are used in conjunction with, and the two can complete continuing of optical fiber in adapter.The structure of the joints of optical fibre of the structure of these joints of optical fibre and the first embodiment is basic identical, comprise housing 1 and be arranged on optical fiber fixation kit 2, flexible member 3 and the lock pin 4 in housing 1, housing 1 comprises support 11, be enclosed within the tail sheath 12 of the rear end of support 11, be enclosed within the outer frame set 13 of the front end of support 11.The difference of the joints of optical fibre of the joints of optical fibre of the present embodiment and the first embodiment is, the centering keeper 6 of the joints of optical fibre of the present embodiment is with reference column 61, the pilot hole of the centering keeper 6 being connected with the optical fiber of the first embodiment matches, and other structures are identical, is not repeating.
Referring to Fig. 6 to Figure 12, when the first embodiment of the joints of optical fibre of the present invention and the second embodiment dock, the two is inserted in adapter 7 by the two ends of adapter 7 respectively, docks at adapter 7.After two joints of optical fibre are inserted in adapter 7, the to connect the flat surface 131 of housing 1 is to being against together, the front end face of lock pin 4 protrudes to connect the flat surface 131 in the time of free state, the lock pin 4 of two connectors front end face that relative housing 1 slides backwards on lock pin 4 under the effect of the interaction force of the two flushes with to connect the flat surface, because the front end face of optical fiber 5 also protrudes to connect the flat surface 131, therefore two optical fiber 5 of docking make to move after the front end face of optical fiber 5 under the effect of the interaction force of the two, also be that optical fiber 5 moves backward, because optical fiber 5 is fixed by optical fiber fixation kit 2 at optical fiber fixation kit 2 places, so the part of optical fiber 5 between rear end face and the optical fiber fixation kit 2 of the bullport 41 of lock pin 4 can form flexural deformation, the flexural deformation of optical fiber 5 can make the end face of the optical fiber of company's connector of docking be tight against together, guarantee that optical fiber can reliably dock.
The present invention, except the joints of optical fibre are provided, also provides the manufacture method of these joints of optical fibre, how to implement below by introducing optical fiber connection manufacture method of the present invention.
Joints of optical fibre manufacture method provided by the present invention at least comprises the steps:
S1 grinds the front end of optical fiber 5;
S2 is fixed on the optical fiber 5 after grinding on optical fiber fixation kit 2;
S3 penetrates the front end of optical fiber 5 in the bullport 41 of lock pin 4, optical fiber 5 with bullport 41 clearance fit so that optical fiber 5 outside relative bullport 41 of masterpiece used time move.
Referring to Fig. 1, optical fiber of the present invention connects while manufacture, there is the optical fiber 5 of the naked fibre of predetermined length to carry out milled processed pre-front end stripping, the front end face of optical fiber 5 is met the requirements, then optical fiber 5 is passed to tail sheath 12, support 11 successively, then with optical fiber fixation kit 2, optical fiber is fixed on support 1, flexible member 3 on the front end sleeve of optical fiber 5, and then put lock pin 4, the front end of optical fiber 5 is extend in the bullport 41 of lock pin 4 freely, finally put oversheath 13, complete the assembling of the joints of optical fibre.The joints of optical fibre are in the time of free state, and the front end face of optical fiber 5 is positioned at bullport 41 or flushes with the front end face of lock pin 4; When the joints of optical fibre are in running order, the relative housing 1 of lock pin 4 slides backward, and moves and make the part of optical fiber 5 between optical fiber fixation kit 2 and the rear end face of bullport 41 form flexural deformation after the front end face of optical fiber 5.Have to connect the flat surface 131 at the front end of housing 1, when free state, the front end face of lock pin 4 protrudes to connect the flat surface 131, and the front end face of optical fiber 5 protrudes to connect the flat surface 131; When duty, the front end face that the relative housing 1 of lock pin 4 slides backwards on lock pin 4 flushes with to connect the flat surface 131.
In the joints of optical fibre of the present invention, optical fiber extend in the bullport of lock pin freely, does not need optical fiber and lock pin to solidify rear grinding, can improve the yields of product, effectively reduces manufacturing cost.
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; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not departing from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, within these all belong to protection of the present invention.
Claims (10)
1. joints of optical fibre, is characterized in that, comprise housing (1), and are arranged on optical fiber fixation kit (2) and lock pin (4) in described housing (1);
Described optical fiber fixation kit (2) is positioned at the tail end of described housing (1), described lock pin (4) is positioned at the front end of described housing (1) and is slidably connected with described housing (1), described lock pin (4) has the bullport (41) for guiding optical fiber (5), and the front end of described optical fiber (5) freely extend in described bullport (41);
When duty, the relatively described housing of described lock pin (4) (1) slides backward, and moves the part that described optical fiber (5) is positioned between described optical fiber fixation kit (2) and the rear end face of described bullport (41) and form flexural deformation after the front end face of described optical fiber (5).
2. the joints of optical fibre according to claim 1, is characterized in that, the described joints of optical fibre also comprise flexible member (3), and described flexible member (3) is positioned between described optical fiber fixation kit (2) and described lock pin (4).
3. the joints of optical fibre according to claim 1, it is characterized in that, the front end of described housing (1) has to connect the flat surface (131), when free state, the front end face of described lock pin (4) protrudes from described to connect the flat surface (131), and the front end face of described optical fiber (5) protrudes from described to connect the flat surface (131); When duty, the front end face that the relatively described housing of described lock pin (4) (1) slides backwards on described lock pin (4) flushes with described to connect the flat surface (131).
4. the joints of optical fibre according to claim 1, is characterized in that, when free state, the front end face of described optical fiber (5) is positioned at described bullport (41) or flushes with the front end face of described lock pin (4).
5. the joints of optical fibre according to claim 1, it is characterized in that, the described joints of optical fibre also comprise centering keeper (6), and described centering keeper (6) is positioned at the rear end of described lock pin (4), and described centering keeper (6) is with pilot hole or reference column (61).
6. the joints of optical fibre according to claim 1, it is characterized in that, described housing (1) comprises support (11), be enclosed within the tail sheath (12) of support (11) rear end and be enclosed within the outer frame set (13) of support (11) front end, described optical fiber fixation kit (2) is positioned at described support (11), and described lock pin (4) is positioned at described outer frame set (13).
7. the joints of optical fibre according to claim 1, is characterized in that, described optical fiber fixation kit (2) comprises substrate (20) with microflute and for described optical fiber (5) being pressed on to the cover plate (21) on described substrate (20).
8. a joints of optical fibre manufacture method, is characterized in that, at least comprises the steps:
S1 grinds the front end of optical fiber (5);
S2 is fixed on the described optical fiber (5) after grinding on optical fiber fixation kit (2);
S3 penetrates the front end of described optical fiber (5) in the bullport (41) of lock pin (4), described optical fiber (5) with described bullport (41) clearance fit so that described optical fiber (5) relative described bullport of masterpiece used time (41) motion outside.
9. joints of optical fibre manufacture method according to claim 8, it is characterized in that, the described joints of optical fibre comprise housing (1), and when free state, the front end face of described optical fiber (5) is positioned at described bullport (41) or flushes with the front end face of described lock pin (4);
When duty, the relatively described housing of described lock pin (4) (1) slides backward, and moves the part that described optical fiber (5) is positioned between described optical fiber fixation kit (2) and the rear end face of described bullport (41) and form flexural deformation after the front end face of described optical fiber (5).
10. the joints of optical fibre according to claim 1, it is characterized in that, the front end of described housing (1) has to connect the flat surface (131), when free state, the front end face of described lock pin (4) protrudes from described to connect the flat surface (131), and the front end face of described optical fiber (5) protrudes from described to connect the flat surface (131); When duty, the front end face that the relatively described housing of described lock pin (4) (1) slides backwards on described lock pin (4) flushes with described to connect the flat surface (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410058934.0A CN103823278B (en) | 2014-02-20 | 2014-02-20 | A kind of joints of optical fibre and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410058934.0A CN103823278B (en) | 2014-02-20 | 2014-02-20 | A kind of joints of optical fibre and manufacture method thereof |
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| CN103823278A true CN103823278A (en) | 2014-05-28 |
| CN103823278B CN103823278B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410058934.0A Active CN103823278B (en) | 2014-02-20 | 2014-02-20 | A kind of joints of optical fibre and manufacture method thereof |
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Cited By (6)
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| CN103823279A (en) * | 2014-02-27 | 2014-05-28 | 深圳日海通讯技术股份有限公司 | Optical fiber connector |
| WO2015192362A1 (en) * | 2014-06-19 | 2015-12-23 | 深圳日海通讯技术股份有限公司 | Optical fiber connector and assembly method thereof |
| CN107577013A (en) * | 2017-09-30 | 2018-01-12 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | A kind of crossing cabin joints of optical fibre and the joints of optical fibre crossing cabin component |
| WO2020191613A1 (en) * | 2019-03-26 | 2020-10-01 | 3M Innovative Properties Company | Optical connector assembly |
| JP2022093613A (en) * | 2016-12-23 | 2022-06-23 | スリーエム イノベイティブ プロパティズ カンパニー | Optical connector |
| CN117590528A (en) * | 2024-01-19 | 2024-02-23 | 深圳市致尚科技股份有限公司 | Multi-core optical fiber connector and connecting device |
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| CN1898588A (en) * | 2003-12-24 | 2007-01-17 | 3M创新有限公司 | Optical connector, optical fiber with connector, optical fiber connecting device, and optical fiber connection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103823279A (en) * | 2014-02-27 | 2014-05-28 | 深圳日海通讯技术股份有限公司 | Optical fiber connector |
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| JP2022093613A (en) * | 2016-12-23 | 2022-06-23 | スリーエム イノベイティブ プロパティズ カンパニー | Optical connector |
| CN107577013A (en) * | 2017-09-30 | 2018-01-12 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | A kind of crossing cabin joints of optical fibre and the joints of optical fibre crossing cabin component |
| WO2020191613A1 (en) * | 2019-03-26 | 2020-10-01 | 3M Innovative Properties Company | Optical connector assembly |
| US11906793B2 (en) | 2019-03-26 | 2024-02-20 | 3M Innovative Properties Company | Optical connector assembly |
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| CN117590528B (en) * | 2024-01-19 | 2024-04-19 | 深圳市致尚科技股份有限公司 | Multi-core optical fiber connector and connecting device |
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| Publication number | Publication date |
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| CN103823278B (en) | 2016-05-04 |
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