CN102955204B - Optical-fiber coupling connector - Google Patents
Optical-fiber coupling connector Download PDFInfo
- Publication number
- CN102955204B CN102955204B CN201110246269.4A CN201110246269A CN102955204B CN 102955204 B CN102955204 B CN 102955204B CN 201110246269 A CN201110246269 A CN 201110246269A CN 102955204 B CN102955204 B CN 102955204B
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- China
- Prior art keywords
- optical fiber
- optical
- groove
- coupling connector
- fiber
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Abstract
The present invention relates to a kind of optical-fiber coupling connector, it comprises multifiber, body and lid.Body comprise the first side, with first parallel the second relative side, side, the vertical upper surface connecting the first side and the second side and the multiple lens be positioned on the first side.Upper surface is provided with a recess, and recess comprises a bottom surface parallel with upper surface.Bottom surface offers multiple optical fiber resettlement sections that and cross section corresponding with multifiber is V-arrangement.Each optical fiber resettlement section comprises two dip plane be connected.Every root optical fiber to be contained in corresponding optical fiber resettlement section and with corresponding lens alignment.Lid comprises opposing first surface and second surface.Lid and recesses fit are also closely contained in recess.The dip plane of first surface and each optical fiber resettlement section supports corresponding optical fiber jointly to fix the optical fiber of this correspondence.
Description
Technical field
The present invention relates to USB (universal serial bus) (UniversalSerialBus, USB) field, particularly relate to a kind of optical-fiber coupling connector.
Background technology
Optical-fiber coupling connector is for realizing docking between optical fiber to realize the transmission of light signal.Optical-fiber coupling connector generally comprises body, optical fiber, to be opened on body for the blind hole of up-winding fiber and to be positioned on this body with this optical fiber align to carry out the lens of optical coupled.The coupling accuracy of optical fiber and lens decides the optical signal transmission efficiency of optical-fiber coupling connector.
Optical-fiber coupling connector normally controls and fixed fiber by blind hole, as long as the position control of blind hole is accurate, then optical fiber just can realize the exactitude position with lens after directly inserting blind hole.But, optical-fiber coupling connector adopts the mode of ejection formation to obtain mostly, in ejection formation process, it is generally not only thin but also long that the die that shaping blind hole uses enters son, time shaping, the impact of moulding material enters the impact of the collimation of son very greatly on die, and position and the size that therefore accurately will control blind hole can be very difficult.Therefore, the structure of optical-fiber coupling connector how is designed to ensure that optical fiber becomes with the coupling accuracy of lens the problem that this area needs solution badly after inserting body.
Summary of the invention
In view of this, be necessary to provide a kind of and can ensure that optical fiber inserts the optical-fiber coupling connector with the coupling accuracy of lens after body.
A kind of optical-fiber coupling connector, it comprises multifiber, body and lid.This body comprise the first side, with parallel the second relative side, this first side, the vertical upper surface connecting this first side and this second side and the multiple lens be positioned on this first side.This upper surface is provided with a recess, and this recess comprises a bottom surface parallel with this upper surface.This bottom surface offers multiple optical fiber resettlement sections that and cross section corresponding with multifiber is V-arrangement.Each optical fiber resettlement section comprises two dip plane be connected.Every root optical fiber to be contained in corresponding optical fiber resettlement section and with corresponding lens alignment.This lid comprises opposing first surface and second surface.This lid and this recesses fit are also closely contained in this recess.This dip plane of this first surface and each optical fiber resettlement section supports corresponding optical fiber jointly to fix the optical fiber of this correspondence.
Compared to prior art, this optical-fiber coupling connector utilizes and offers in the bottom surface of recess the optical fiber resettlement section that cross section is V-arrangement, and utilize the dip plane of the first surface of lid and each optical fiber resettlement section jointly support corresponding optical fiber and fix this optical fiber, to avoid only controlling and fixed fiber by blind hole, thus ensure that optical fiber inserts the coupling accuracy with lens after body.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the optical-fiber coupling connector that embodiment of the present invention provides.
Fig. 2 is the part decomposing schematic representation of the optical-fiber coupling connector in Fig. 1.
Fig. 3 is the part decomposing schematic representation at another visual angle of optical-fiber coupling connector in Fig. 1.
Fig. 4 is the diagrammatic cross-section of the optical-fiber coupling connector in Fig. 1 along VI-VI line.
Fig. 5 is the diagrammatic cross-section of the optical-fiber coupling connector in Fig. 1 along V-V line.
Main element symbol description
| Optical-fiber coupling connector | 100 |
| Body | 10 |
| First side | 12 |
| Second side | 14 |
| Upper surface | 16 |
| Lower surface | 17 |
| Lens | 18 |
| Recess | 20 |
| Bottom surface | 22 |
| Optical fiber resettlement section | 220 |
| First groove | 222 |
| Second groove | 224 |
| First accepting groove | 226 |
| First dip plane | 226a |
| Second dip plane | 226b |
| Second accepting groove | 228 |
| 3rd dip plane | 228a |
| 4th dip plane | 228b |
| Antetheca | 24 |
| The first side wall | 26 |
| Second sidewall | 28 |
| Optical fiber | 30 |
| Bare fibre | 32 |
| Clad | 34 |
| Exiting surface | 36 |
| Lid | 40 |
| First surface | 42 |
| Second surface | 44 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
To be described in further detail embodiment of the present invention below in conjunction with accompanying drawing.
Referring to Fig. 1, is the optical-fiber coupling connector 100 of first embodiment of the invention.This optical-fiber coupling connector 100 comprises a body 10, two optical fiber 30 and a lid 40.
See also Fig. 2 and Fig. 3, this body 10 is the translucent construction roughly in rectangular parallelepiped.This body 10 comprises 12,14, one, the second side upper surface, 16, the lower surface 17 in first side and two lens 18.This first side 12 is parallel relative with this second side 14.This upper surface 16 is parallel relative with this lower surface 17.This upper surface 16 vertically connects this first side 12 and this second side 14.This lower surface 17 vertically connects this first side 12 and this second side 14.Two lens 18 are arranged on this first side 12.
This upper surface 16 offers a recess 20.This recess 20 comprises 22, one, bottom surface antetheca, 24, the first side wall 26 and second sidewall 28.This bottom surface 22 is parallel with this upper surface 16.Three limits of this antetheca 24, this first side wall 26 and this second sidewall 28 respectively this bottom surface 22 vertical extend to the direction of this upper surface 16.This antetheca 24 is parallel and spaced with this first side 12.This first side wall 26 is parallel relative with this second sidewall 28.This antetheca 24 vertically connects this first side wall 26 and this second sidewall 28.This bottom surface 22, this first side wall 26 and this second sidewall 28 this second side 14 all vertical direction to this first side 12 extend.
This bottom surface 22 offers two optical fiber resettlement section 220, two first grooves 222 corresponding with optical fiber 30 and two the second grooves 224.Corresponding first groove 222 in each optical fiber resettlement section 220 and second groove 224.Each optical fiber resettlement section 220 comprises first accepting groove 226 and second accepting groove 228.This first accepting groove 226, this first groove 222, this second accepting groove 228 and this second groove 224 are arranged in order along the direction of this second side 14 to this first side 12.This first accepting groove 226 runs through this second side 14, and this first groove 222 is communicated with this first accepting groove 226 and this second accepting groove 228.This second groove 224 is communicated with this second accepting groove 228 and connects with this antetheca 24.In present embodiment, this first accepting groove 226 and this second accepting groove 228 are the groove that cross section is V-arrangement.This first groove 222 is respectively used to accommodation first colloid and the second colloid with this second groove 224.In present embodiment, this first colloid is ultraviolet curing glue, and this second colloid is optical match glue.
Two optical fiber 30 to be contained in respectively in corresponding optical fiber resettlement section 220 and to aim at respectively with two lens 18.Every root optical fiber 30 includes the clad 34 of bare fibre 32 and part this bare fibre 32 coated.This first accepting groove 226 matches with clad 34 and merges for accommodating this clad 34.This second accepting groove 228 matches with bare fibre 32 and merges for accommodating this bare fibre 32.
This lid 40 is made up of light transmissive material.The shape of this lid 40 and the form fit of this recess 20 and this lid 40 are contained in this recess 20 to seal up this recess 20.This lid 40 comprises a first surface 42 and a second surface 44.This first surface 42 lays respectively at the relative two ends of this lid 40 with this second surface 44.The direction that this lid 40 inserts this recess 20 is vertical with the length direction of this optical fiber resettlement section 220.When this lid 40 groups enters in this recess 20, this first surface 42 is directly carried on this bottom surface 22, and this second surface 44 flushes with this upper surface 16.
Refer to Fig. 4, the second dip plane 226b of the first surface 42 of this lid 40, the first dip plane 226a of this first accepting groove 226 and this first accepting groove 226 supports this clad 34 jointly to be fixed by this clad 34.Wherein, the center of the round section of this clad 34 equals the distance of center to this first surface 42 of the round section of this clad 34 to the distance of this bottom surface 22.
Refer to Fig. 5, the 4th dip plane 228b of the first surface 42 of this lid 40, the 3rd dip plane 228a of this second accepting groove 228 and this second accepting groove 228 supports this bare fibre 32 jointly to be fixed by this bare fibre 32.Wherein, the center of the round section of this bare fibre 32 equals the distance of center to this first surface 42 of the round section of this bare fibre 32 to the distance of this bottom surface 22.
When assembling optical fiber 30 enters in body 10, first this optical fiber 30 is positioned in corresponding optical fiber resettlement section 220, namely clad 34 is contained in the first corresponding accepting groove 226, bare fibre 32 to be contained in the second corresponding accepting groove 228 and to extend to respectively in the first groove 222 and the second groove 224 to two ends, and the exiting surface 36 of this optical fiber 30 to be resisted against on this antetheca 24 and to make this exiting surface 36 overlapping with the focal plane of these lens 18; Then, in the second groove 224, fill the second colloid make the second colloid envelope bare fibre 32, in the first groove 222, fill the first colloid make the first colloid envelope bare fibre 32; Then, this lid 40 groups is entered in this recess 20, make first surface 42, first dip plane 226a and the second dip plane 226b jointly support this clad 34 to be fixed by this clad 34, and first surface 42, the 3rd dip plane 228a and the 4th dip plane 228b support this bare fibre 32 jointly to be fixed by this bare fibre 32; Finally, a glue is carried out to this lid 40, and utilizes UV radiation curing.
Optical-fiber coupling connector 100 provided by the invention utilizes and offers the first accepting groove 226 of V-arrangement and the second accepting groove 228 of V-arrangement in the bottom surface 22 of recess 20, and utilize the first surface 42 of lid 40 and the first dip plane 226a of the first accepting groove 226 and the second dip plane 226b jointly to support this clad 34 to be fixed by this clad 34, and first surface 42, 3rd dip plane 228a and the 4th dip plane 228b supports this bare fibre 32 jointly to be fixed by this bare fibre 32, to avoid only controlling and fixed fiber 30 by blind hole, thus ensure that optical fiber 30 inserts after body 10 and the coupling accuracy of lens 18.
In addition, the exiting surface 36 of optical fiber 30 is resisted against on this antetheca 24 and focal plane of this exiting surface 36 and these lens 18 and overlaps, and is easy to arrive the coupling position with lens 18 the best, ensure that the coupling accuracy of optical-fiber coupling connector 100 after optical fiber 30 groups is entered.
Be appreciated that the setting of this first groove 222 and this second groove 224 is in order to accommodating first colloid and the second colloid are with more stable after making optical fiber 30 groups enter, thus fashionable convenient lid 40 groups.But this first groove 222 and this second groove 224 can not be arranged, bottom surface 22 is only offered the first accepting groove 226 and the second accepting groove 228 that the cross section of continuing is V-arrangement.
Be understandable that, for the person of ordinary skill of the art, other various corresponding change and distortion can be made by technical conceive according to the present invention, and all these change the protection domain that all should belong to the claims in the present invention with distortion.
Claims (8)
1. an optical-fiber coupling connector, it comprises:
Multifiber, each optical fiber comprises the clad of bare fibre and part this bare fibre coated;
Body, this body comprises the first side, relative second side parallel with this first side, the upper surface of this first side of vertical connection and this second side and the multiple lens be positioned on this first side, this upper surface is provided with a recess, this recess comprises a bottom surface parallel with this upper surface, this bottom surface offers multiple optical fiber resettlement sections that and cross section corresponding with multifiber is V-arrangement, multiple first groove and multiple second groove, each optical fiber resettlement section comprises two dip plane be connected, each optical fiber resettlement section comprises one for accommodating the first accepting groove of this clad and one for accommodating the second accepting groove of this bare fibre, this first accepting groove, this first groove, this second accepting groove and this second groove are arranged in order along the direction of this second side to this first side and are communicated with, this first accepting groove originates in this first side and ends at this first groove, this second accepting groove originates in this first groove and ends at this second groove, this first groove and this second groove are respectively used to accommodation first colloid and the second colloid, every root optical fiber to be contained in corresponding optical fiber resettlement section and with corresponding lens alignment,
With the lid of this recesses fit, this lid comprises opposing first surface and second surface, and this lid is closely contained in this recess, and this dip plane of this first surface and each optical fiber resettlement section supports corresponding optical fiber jointly to fix the optical fiber of this correspondence.
2. optical-fiber coupling connector as claimed in claim 1, is characterized in that, the center of the round section of this clad equals the distance of this center to this first surface of the round section of this clad to the distance of this bottom surface.
3. optical-fiber coupling connector as claimed in claim 2, is characterized in that, the center of the round section of this bare fibre equals the distance of this center to this first surface of the round section of this bare fibre to the distance of this bottom surface.
4. optical-fiber coupling connector as claimed in claim 3, it is characterized in that, this recess also comprises antetheca, the first side wall and the second sidewall that this bottom surface vertical extends, this antetheca and this first side are parallel to each other interval, this the first side wall is parallel relative with this second sidewall, this antetheca connects this first side wall and this second sidewall, and this first side wall, this second sidewall and this bottom surface this second side all vertical extends to this antetheca.
5. optical-fiber coupling connector as claimed in claim 4, it is characterized in that, the plurality of second groove is positioned at the top of the plurality of optical fiber resettlement section and connects with this antetheca.
6. optical-fiber coupling connector as claimed in claim 1, it is characterized in that, this first colloid is ultraviolet curing glue, and this second colloid is optical match glue.
7. optical-fiber coupling connector as claimed in claim 5, it is characterized in that, the exiting surface of this each optical fiber is resisted against on this antetheca, and the focal plane overlap of this exiting surface of this each optical fiber lens corresponding with this.
8. optical-fiber coupling connector as claimed in claim 1, it is characterized in that, this lid is made up of light transmissive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110246269.4A CN102955204B (en) | 2011-08-25 | 2011-08-25 | Optical-fiber coupling connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110246269.4A CN102955204B (en) | 2011-08-25 | 2011-08-25 | Optical-fiber coupling connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102955204A CN102955204A (en) | 2013-03-06 |
| CN102955204B true CN102955204B (en) | 2016-03-09 |
Family
ID=47764244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110246269.4A Expired - Fee Related CN102955204B (en) | 2011-08-25 | 2011-08-25 | Optical-fiber coupling connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102955204B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104808290A (en) * | 2014-01-24 | 2015-07-29 | 鸿富锦精密工业（深圳）有限公司 | Optical coupling lens and fiber coupling connector |
| CN115144969B (en) * | 2021-03-31 | 2024-04-05 | 深南电路股份有限公司 | Optical fiber connecting assembly |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0704732A1 (en) * | 1994-09-28 | 1996-04-03 | Ngk Insulators, Ltd. | Integrated optoelectronic coupling and connector |
| CN101866035A (en) * | 2009-04-16 | 2010-10-20 | 富士康(昆山)电脑接插件有限公司 | Fiber termination for fiber optic connection system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3539426B2 (en) * | 2002-09-05 | 2004-07-07 | 住友電気工業株式会社 | Method for forming microstructure |
| JP4742729B2 (en) * | 2005-08-02 | 2011-08-10 | ソニー株式会社 | Optical coupler and optical connector |
-
2011
- 2011-08-25 CN CN201110246269.4A patent/CN102955204B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0704732A1 (en) * | 1994-09-28 | 1996-04-03 | Ngk Insulators, Ltd. | Integrated optoelectronic coupling and connector |
| CN101866035A (en) * | 2009-04-16 | 2010-10-20 | 富士康(昆山)电脑接插件有限公司 | Fiber termination for fiber optic connection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102955204A (en) | 2013-03-06 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20170825 |