CN102565953B - Optical fiber coupling connector - Google Patents
Optical fiber coupling connector Download PDFInfo
- Publication number
- CN102565953B CN102565953B CN201010591508.5A CN201010591508A CN102565953B CN 102565953 B CN102565953 B CN 102565953B CN 201010591508 A CN201010591508 A CN 201010591508A CN 102565953 B CN102565953 B CN 102565953B
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- Prior art keywords
- groove
- optical
- hole
- collecting
- lens
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Abstract
An optical fiber coupling connector comprises a main body, and a lens arranged on the main body. The main body has an accommodating through-hole which has a central axis coincident with the optical center of the lens and is used for accommodating an optical fiber. The lens is optically coupled with the optical fiber. The optical fiber coupling connector further comprises a groove communicated with the accommodating through-hole, and a cover matched with the groove. The groove is arranged between the accommodating through-hole and the lens, and the cover is matched with the groove to grip and fix the optical fiber entering the groove through the accommodating through-hole.
Description
Technical field
The present invention relates to a kind of optical-fiber coupling connector.
Background technology
Optical-fiber coupling connector is used for the docking realized between optical fiber and the transmission realizing light signal.Optical-fiber coupling connector generally comprise for up-winding fiber blind hole and be positioned at the lens that this blind via bottom is coupled with this fiber optics, the coupling accuracy of optical fiber and lens decides the optical signal transmission efficiency of optical-fiber coupling connector.
Optical-fiber coupling connector all adopts ejection formation to make mostly, and is all generally using blind hole as controlling and the mode of fixed fiber, as long as blind hole position control is accurate, then just can realize the exactitude position with lens after direct group of optical fiber enters blind hole.But, in ejection formation process, the external diameter that the die that shaping blind hole uses enters son is mostly not only thin but also long, and the impact that the impact of moulding material enters sub collimation to this die in forming process is like this just very large, and the size that therefore accurately will control blind hole is just very difficult.Therefore, under the prerequisite of coupling accuracy that can ensure optical-fiber coupling connector, the structure of optical-fiber coupling connector how is designed to reduce the key point requirement of the dimensional accuracy of mould just being become to optical-fiber coupling connector ejection formation.
Summary of the invention
In view of this, provide a kind of coupling accuracy high and the simple optical-fiber coupling connector of structure is real in necessary.
A kind of optical-fiber coupling connector, it comprises body and is arranged on the lens on this body, this body is provided with the collecting through hole corresponding with these lens, the groove be communicated with this collecting through hole and the lid with this fit depressions further, this groove enters the optical fiber in this groove for breasting by this collecting through hole and this optical fiber is coupled with this optics of lens between these collecting through hole with these lens, and this lid and this fit depressions are to grip the optical fiber born against in this groove.
Compared with prior art, the structure that this optical-fiber coupling connector provided by the invention adopts collecting through hole to combine with groove replaces traditional blind hole and carrys out up-winding fiber, reduce the requirement to optical-fiber coupling connector ejection shaping die precision, the processing of ejection shaping die is more prone to, and the position preferably focal plane being used in this groove being arranged on the lens corresponding with this optical fiber against the sidewall of optical fiber exiting surface coincided, optical fiber is made to arrive the optimum coupling position with lens easily after group enters, well ensure that the coupling accuracy of optical-fiber coupling connector.
Accompanying drawing explanation
Fig. 1 is the perspective exploded view of the optical-fiber coupling connector that embodiment of the present invention provides.
Fig. 2 is the textural association schematic diagram of the optical-fiber coupling connector shown in Fig. 1.
Fig. 3 is the cut-open view of the optical-fiber coupling connector shown in Fig. 2.
Fig. 4 is the cut-open view along IV-IV line in Fig. 2.
Fig. 5 is the enlarged drawing of V part in Fig. 4.
Main element symbol description
Optical-fiber coupling connector 100
Body 10
First surface 11
Second surface 12
3rd surface 13
4th surface 14
Collecting through hole 15
Patch end 16
Lens 20
Groove 30
The first side wall 31
Second sidewall 32
Bottom surface 33
Breasting block 34
First breasting face 341
Second breasting face 342
Lid 40
3rd breasting face 41
Optical fiber 50
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Please also refer to Fig. 1 to Fig. 5, the optical-fiber coupling connector 100 that the embodiment of the present invention provides, it lid 40 comprising body 10, lens 20, groove 30 and match with this groove 30.
This body 10 roughly squarely, it has the first surface 11 that is oppositely arranged and second surface 12 and the 3rd surface 13 that is all connected with this first surface 11 and second surface 12 and surface, the 4th surface the 14, three 13 and the 4th surface 14 are oppositely arranged.
This body 10 has two collecting through holes 15 arranged in parallel, and this collecting through hole 15 is started to the 4th surface 14 extensions by the 3rd surface 13, and this collecting through hole 15 is used for up-winding fiber 50.
Understandable, the quantity of this collecting through hole 15 can be different according to different designs needs, and it can also be more than one or two.
These lens 20 are arranged on the 4th surface 14 along the direction, axis of this collecting through hole 15, and the optical axis of these lens 20 and the axis of this collecting through hole 15 coincide, these lens 20 and optical fiber 50 optical coupled be contained in this collecting through hole 15.4th surface 14 is provided with and patches end 16, it is used for playing the role of positioning when this optical-fiber coupling connector 100 uses.
This groove 30 is roughly square, and it to be opened on this first surface 11 and recessed to this second surface 12.This groove 30 is between these lens 20 and this collecting through hole 15.This groove 30 comprises the first side wall 31, second sidewall 32 be oppositely arranged and the bottom surface 33 be all connected with this first side wall 31 and the second sidewall 32, wherein this first side wall 31 is relative with the 4th surface 14 of this body 10, this second sidewall 32 is relative with the 3rd surface 13 of this body 10, and this bottom surface 33 is relative with this second surface 12.This collecting through hole 15 is started and runs through this second sidewall 32 to be connected with this groove 30 afterwards by the 3rd surface 13 of this body.
The bottom surface 33 of this groove 30 is provided with breasting block 34, and this breasting block 34 makes this optical fiber 50 be coupled and aligned with these lens 20 for carrying by this collecting through hole 15 optical fiber 50 penetrated in this groove 30.This breasting block 34 comprises interconnective first breasting face 341 and the second breasting face 342, matches with this second breasting face 342 and surround a breasting space for this optical fiber 50 of breasting in this first breasting face 341.In the present embodiment, this first breasting face 341 and this second breasting face 342 are mutually vertical to form a breasting space roughly in L-type.
Understandable, the breasting space of this breasting block 34 is not limited to " L " type, and it can also be other shape, as long as the bottom surface 33 that can be arranged on this groove 30 is used for carrying this optical fiber 50.
Understandable, in the present invention, this breasting block 34 can adopt dismountable mode to be fixed on the bottom surface 33 of this groove 30, also can be one-body molded with the bottom surface 33 of this groove 30.
Preferably, in the present embodiment, the first side wall 31 of this groove 30 coincides with the focal plane of these lens 20, optical fiber 50 is entered after in this groove 30 by this collecting through hole 15, this optical fiber 50 supports by this breasting block 34 and makes its exiting surface directly be resisted against on this first side wall 31, just directly can arrive the optimum coupling position with these lens 20 after optical fiber 50 groups being entered by such structure.Understandable, the first side wall 31 of this groove 30 can also be arranged on other position parallel with the focal plane of these lens 20 with this according to different needs.
This lid 40 is corresponding with this groove 30, and it is for covering this groove 30.This lid 40 comprises a 3rd breasting face 41, after this lid 40 and this groove 30 cover mutually, match with the first breasting face 341 of breasting block 34 and the second breasting face 342 that carry this optical fiber 50 and surround a roughly rectangular leg-of-mutton receiving space to be gripped by this optical fiber 50 in the 3rd breasting face 41.
In the present embodiment, these two collecting through holes 15 are all connected with this groove 30, the bottom surface 33 of this groove 30 being provided with two breasting blocks 34 with this collecting through hole 15 one_to_one corresponding for carrying the optical fiber 50 entered by corresponding collecting through hole 15 groups, correspondingly on this lid 40 being provided with two the 3rd breasting faces 41 and matching to be formed roughly rectangular leg-of-mutton receiving space to grip this optical fiber 50 with the first breasting face 341 of these two breasting blocks 34 and the second breasting face 342 respectively.
Understandable, can also through hole 15 be accommodated at every a pair and a groove 30 be connected with this collecting through hole 15 is set between lens 20, this breasting block 34 is set in this groove 30 with breasting optical fiber 50, and the corresponding lid 40 of each groove 30, this lid 40 cooperatively interacts with the breasting block 34 in this groove 30 and clamps this optical fiber 50, certainly, this can also arrange a lid 40 and the plurality of groove 30 and matches and incompatiblely to grip this optical fiber 50.
Understandable, while the structure fixed fiber 50 adopting this lid 40 to match with this breasting block 34, the mode that a glue can also be adopted to fix is carried out further fixing with the usability strengthening this optical-fiber coupling connector 100 to this optical fiber 50 and lid 40.
Preferably, this lid 40 adopts the material with high light transmittance to make, so that carry out illumination curing when using optical cement to be fixed this optical fiber 50.
Compared with prior art, the structure that this optical-fiber coupling connector 100 provided by the invention adopts collecting through hole to combine with groove replaces traditional blind hole and carrys out up-winding fiber, reduce the requirement to optical-fiber coupling connector ejection shaping die precision, the processing of ejection shaping die is more prone to, and the position preferably focal plane being used in this groove being arranged on the lens corresponding with this optical fiber against the sidewall of optical fiber exiting surface coincided, optical fiber is made to arrive the optimum coupling position with lens easily after group enters, well ensure that the coupling accuracy of optical-fiber coupling connector.
Be understandable that, those skilled in the art also can do other change and wait for design of the present invention in spirit of the present invention, as long as it does not depart from technique effect of the present invention.These changes done according to the present invention's spirit, all should be included within the present invention's scope required for protection.
Claims (8)
1. an optical-fiber coupling connector, it comprises body and is arranged on the lens on this body sidewall, it is characterized in that, this body is provided with further a collecting through hole, one groove be communicated with this collecting through hole and the lid with this fit depressions, for wearing optical fiber on the optical axial that this collecting through hole is arranged on these lens, this groove makes this optical fiber be coupled with this optics of lens for this optical fiber of breasting between these collecting through hole with these lens, this bottom portion of groove is provided with the breasting block corresponding with this collecting through hole, this breasting block is coupled with this optics of lens to make this optical fiber for carrying the optical fiber entered in this groove by this collecting through hole, this breasting block comprises orthogonal first breasting face and the second breasting face, this groove comprises the first side wall and the second sidewall that are oppositely arranged, this collecting through hole runs through this second sidewall and is connected with this groove, first breasting face and the second breasting face of this breasting block all extend to this first side wall along the bearing of trend of optical fiber, be resisted against on this first side wall to make the exiting surface of this optical fiber, this lid to be contained in this groove and with this fit depressions to grip the optical fiber born against in this groove.
2. optical-fiber coupling connector as claimed in claim 1, is characterized in that: this lid has the 3rd breasting face, and the 3rd breasting face is used for matching to be fixed by this optical fiber clamping with this first breasting face of this breasting block and the second breasting face.
3. optical-fiber coupling connector as claimed in claim 2, is characterized in that: the focal plane of the first side wall of this groove and these lens coincides.
4. optical-fiber coupling connector as claimed in claim 1, it is characterized in that: this mutually corresponding collecting through hole and lens are many groups, this groove is all provided with between the collecting through hole that this each group is mutually corresponding and lens, and each this groove part is to there being this lid, this lid each this fit depressions corresponding with it is to grip the optical fiber entered by this corresponding collecting through hole in this groove.
5. optical-fiber coupling connector as claimed in claim 1, it is characterized in that: this mutually corresponding collecting through hole and lens are many groups, this groove is all provided with between the collecting through hole that this each group is mutually corresponding and lens, also be provided with a lid corresponding to each groove, this lid and each fit depressions are to grip the optical fiber entered by this corresponding collecting through hole in this groove.
6. the optical-fiber coupling connector as described in claim 4 or 5, is characterized in that: this lid is made up of high light transmissive material.
7. optical-fiber coupling connector as claimed in claim 6, is characterized in that: be filled with glue between this lid and this groove for fixing this lid.
8. optical-fiber coupling connector as claimed in claim 1, is characterized in that: the optical axial of these lens overlaps with the axis of this collecting through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010591508.5A CN102565953B (en) | 2010-12-16 | 2010-12-16 | Optical fiber coupling connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010591508.5A CN102565953B (en) | 2010-12-16 | 2010-12-16 | Optical fiber coupling connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102565953A CN102565953A (en) | 2012-07-11 |
| CN102565953B true CN102565953B (en) | 2015-04-15 |
Family
ID=46411796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010591508.5A Expired - Fee Related CN102565953B (en) | 2010-12-16 | 2010-12-16 | Optical fiber coupling connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102565953B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8430576B2 (en) * | 2011-03-15 | 2013-04-30 | Intel Corporation | Fiber termination in light peak lenses |
| CN103901552B (en) * | 2012-12-28 | 2017-07-18 | 赛恩倍吉科技顾问（深圳）有限公司 | The joints of optical fibre |
| CN103323915A (en) * | 2013-07-01 | 2013-09-25 | 无锡光云通信科技有限公司 | Optical connector |
| CN104678500A (en) * | 2013-11-30 | 2015-06-03 | 鸿富锦精密工业（深圳）有限公司 | Optical fiber coupling connector component |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4830456A (en) * | 1986-11-15 | 1989-05-16 | Sumitomo Electric Industries, Ltd. | Optical connector and process for producing the same |
| US6742937B2 (en) * | 2001-12-18 | 2004-06-01 | 3M Innovative Properties Company | Optical fiber connector having compliant alignment features |
| US6817777B1 (en) * | 2003-06-27 | 2004-11-16 | Dimitry Grabbe | Fiber array ferrule |
| CN101221268A (en) * | 2006-10-19 | 2008-07-16 | 安华高科技光纤Ip（新加坡）私人有限公司 | Transceiver module for optical communications and method for transmitting and receiving data |
-
2010
- 2010-12-16 CN CN201010591508.5A patent/CN102565953B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4830456A (en) * | 1986-11-15 | 1989-05-16 | Sumitomo Electric Industries, Ltd. | Optical connector and process for producing the same |
| US6742937B2 (en) * | 2001-12-18 | 2004-06-01 | 3M Innovative Properties Company | Optical fiber connector having compliant alignment features |
| US6817777B1 (en) * | 2003-06-27 | 2004-11-16 | Dimitry Grabbe | Fiber array ferrule |
| CN101221268A (en) * | 2006-10-19 | 2008-07-16 | 安华高科技光纤Ip（新加坡）私人有限公司 | Transceiver module for optical communications and method for transmitting and receiving data |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102565953A (en) | 2012-07-11 |
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Granted publication date: 20150415 Termination date: 20171216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |