CN109425940A - A kind of fiber optic connector assembly and its optical fiber connector, contact - Google Patents
A kind of fiber optic connector assembly and its optical fiber connector, contact Download PDFInfo
- Publication number
- CN109425940A CN109425940A CN201710779554.XA CN201710779554A CN109425940A CN 109425940 A CN109425940 A CN 109425940A CN 201710779554 A CN201710779554 A CN 201710779554A CN 109425940 A CN109425940 A CN 109425940A
- Authority
- CN
- China
- Prior art keywords
- contact pin
- optical fiber
- casing
- contact
- ring flange
- 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.)
- Pending
Links
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
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
-
- 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
-
- 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
- G02B6/3853—Lens inside the ferrule
Abstract
The present invention relates to a kind of fiber optic connector assembly and its optical fiber connectors, contact, contact includes contact pin, ring flange, optical fiber, lens and casing, the axial direction for defining described sleeve pipe is front-rear direction, lens arrangement is in the inner front side of casing, the optical fiber is fixed on inside contact pin, it is characterized by: the front end of contact pin is assemblied in the inner back side of casing, the rear end fixing assembling of contact pin is on ring flange, and it realizes during carrying out optical fiber connector assembly, first contact pin is fixed on ring flange, it then inserts optical fibers into the inner hole of contact pin, and the end of contact pin is ground by holding ring flange, the process for avoiding setting bonding agent, it is relatively simple for structure, grinding is convenient, contact pin end face precision after assembly can preferably be guaranteed.
Description
Technical field
The present invention relates to a kind of fiber optic connector assembly and its optical fiber connectors, contact.
Background technique
Optical fiber connector in the prior art is generally divided into physical connection formula and expands formula, wherein the formula connector of expanding is logical
It crosses and expands principle the light diameter of imaging is made to amplify 1000 times or more, optics end face compensates for convention connectors without directly contact
Deficiency, the contact in the prior art for expanding formula optical fiber connector generally comprises lens, casing, optical fiber, contact pin, ring flange
Etc. structures.
A kind of detachable type expansion is such as disclosed in the Chinese patent application file that application publication number is CN105445867A
Beam optical fiber connector, lens are fixed in casing, and lens and the coaxial while above-mentioned contact pin of casing are fixed on casing
It is interior, and contact pin is also configured as coaxial with casing, optical fiber is fixed at the shaft core position of contact pin, stepped hole is provided in ring flange,
Including big hole section and aperture section, wherein big hole section is consistent with the outer diameter of casing, ring flange is fixedly mounted on the outer wall of casing, and
The front end of contact pin is fixedly connected with lens rear, and the rear end of contact pin is not in casing, the expanded core fiber connector one of this structure
As be first to be fixed on optical fiber in contact pin by bonding agent, optical fiber is ground before or after optical fiber is fixed in contact pin
Integral optical fiber contact pin, is then fixed in casing again, is finally tightly placed on casing by ring flange by processing, this assembly method
It occupies and has the following problems in actual production process, (1) is ground optical fiber before optical fiber is fixed in contact pin,
Since optical fiber is relatively thin more crisp, optical fiber is fixed without grip part at all to carry out grinding work, be fixed in contact pin it in optical fiber
Optical fiber is ground afterwards, since the material of contact pin is more crisp, can not also apply biggish curable grip to it, it is therefore, this
It is poor to the grinding effect of optical fiber during assembly method, and grinding precision is lower；(2) it needs in this assembling process compared with multi-process
Bonding agent addition, this results in assembling process many and diverse, and bonding agent has the assembly precisions of each components when assembling
It has a certain impact.
Summary of the invention
The purpose of the present invention is to provide a kind of fiber optic connector assemblies, to solve contact pin and ring flange in the prior art
Between assembly relation it is complicated, the low problem of assembly efficiency；The object of the invention is also to provide a kind of optical fiber connector groups
The optical fiber connector of part；The object of the invention is also to provide a kind of contacts of optical fiber connector.
To achieve the above object, contact of the invention uses following technical scheme:
Scheme 1: contact, including contact pin, ring flange, optical fiber, lens and casing, the axial direction for defining described sleeve pipe is front and back
To lens arrangement is fixed on inside contact pin in the inner front side of casing, the optical fiber, and the front end of contact pin is assemblied in the inside of casing
Rear side, the rear end fixing assembling of contact pin is on ring flange.
Scheme 2: on the basis of scheme 1, elastic conjunction between the rear end and ring flange of the contact pin.
Scheme 3: on the basis of scheme 2, the ring flange includes front side major diameter section and the rear side that connect with major diameter section
Path section, elastic conjunction between the contact pin and path section, the major diameter section are set on the rear end outer wall of casing.
Scheme 4: on the basis of scheme 3, the optical fiber connector further includes tailstock, the tailstock and the ring flange it
Between along the longitudinal direction press be provided with floating spring.
Scheme 5: on the basis of scheme 4, the tailstock has the receiving hole be inserted into for ring flange, inside the receiving hole
It is provided with step surface, the floating spring press is set between step surface and the rear end face of major diameter section.
Scheme 6: on the basis of any one of scheme 1 ~ 5, in the recessed casing in the front end of the lens.
Optical fiber connector of the invention uses following technical scheme:
Scheme 7: optical fiber connector, including shell and setting, in the intracorporal contact of shell, the contact includes contact pin, flange
Disk, optical fiber, lens and casing, the axial direction for defining described sleeve pipe is front-rear direction, and lens arrangement is described in the inner front side of casing
Optical fiber is fixed on inside contact pin, and the front end of contact pin is assemblied in the inner back side of casing, and the rear end fixing assembling of contact pin is in ring flange
On.
Scheme 8: on the basis of scheme 7, elastic conjunction between the rear end and ring flange of the contact pin.
Scheme 9: on the basis of scheme 8, the ring flange includes front side major diameter section and the rear side that connect with major diameter section
Path section, elastic conjunction between the contact pin and path section, the major diameter section are set on the rear end outer wall of casing.
Scheme 10: on the basis of scheme 9, the optical fiber connector further includes tailstock, the tailstock and the ring flange
Between along the longitudinal direction press be provided with floating spring.
Scheme 11: on the basis of scheme 10, the tailstock has the receiving hole be inserted into for ring flange, in the receiving hole
Portion is provided with step surface, and the floating spring press is set between step surface and the rear end face of major diameter section.
Scheme 12: on the basis of any one of scheme 7 ~ 11, in the recessed casing in the front end of the lens.
Fiber optic connector assembly of the invention uses following technical scheme:
Scheme 13: fiber optic connector assembly is mutually butted the optical fiber connector for realizing conducting light paths, optical fiber connection including two
Device, including shell and be arranged in the intracorporal contact of shell, the contact includes contact pin, ring flange, optical fiber, lens and casing,
The axial direction for defining described sleeve pipe is front-rear direction, and lens arrangement is fixed on inside contact pin in the inner front side of casing, the optical fiber,
The front end of contact pin is assemblied in the inner back side of casing, and the rear end fixing assembling of contact pin is on ring flange.
Scheme 14: on the basis of scheme 13, elastic conjunction between the rear end and ring flange of the contact pin.
Scheme 15: on the basis of scheme 14, the ring flange includes front side major diameter section and the rear side that connect with major diameter section
Path section, elastic conjunction between the contact pin and path section, the major diameter section is set on the rear end outer wall of casing.
Scheme 16: on the basis of scheme 15, the optical fiber connector further includes the tailstock being immobilized in the shell, the tail
Press is provided with floating spring along the longitudinal direction between seat and the ring flange.
Scheme 17: on the basis of scheme 16, the tailstock has the receiving hole be inserted into for ring flange, in the receiving hole
Portion is provided with step surface, and the floating spring press is set between step surface and the rear end face of major diameter section.
Scheme 18: on the basis of any one of scheme 13 ~ 17, in the recessed casing in the front end of the lens.
Scheme 19: on the basis of any one of scheme 13 ~ 17, the fiber optic connector assembly further includes for two optical fiber
The porcelain bushing of the casing docking insertion of connector, the porcelain bushing is silent casing.
The beneficial effects of the present invention are: compared with the prior art, optical fiber connector according to the present invention, by by contact pin
Front end be plugged in casing, rear end fixing assembling is on ring flange, to realize in the mistake for carrying out optical fiber connector assembly
Contact pin is first fixed on ring flange by Cheng Zhong, is then inserted optical fibers into the inner hole of contact pin, and by holding ring flange to slotting
The end of needle is ground, the process for avoiding setting bonding agent, relatively simple for structure, and grinding is convenient, the contact pin end after assembly
Face precision can preferably be guaranteed.
Detailed description of the invention
Fig. 1 is the structure general assembly drawing of fiber optic connector assembly embodiment one of the invention；
Fig. 2 be Fig. 1 in two contacts to it is slotting when structural schematic diagram；
Structural schematic diagram when Fig. 3 is two casing docking in Fig. 2；
Fig. 4 is the contact piece structure schematic diagram in Fig. 2；
Fig. 5 is the structural schematic diagram of the intracorporal porcelain bushing of shell in Fig. 1.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
Fiber optic connector assembly embodiment one of the invention: as shown in Figure 1 to Figure 2, two including being mutually inserted connection
Optical fiber connector, the optical fiber connector are to expand formula optical fiber connector comprising shell 12 and the contact being arranged in shell 12
Part, contact includes the structures such as casing 1, lens 2, contact pin 3, optical fiber 4, ring flange 5, is each zero for shell
The assembly carrier of part, it is relatively common in the prior art, it is no longer described in detail, is straight structure for casing 1, it is fixed
Its adopted axis direction is front-rear direction, and above-mentioned lens 2 are fixed on the inner front side of casing 1, and lens 2 and casing 1 are coaxial, thoroughly
The radial dimension of mirror 2 is consistent with the radial dimension of casing 1；The inner back side of casing 1 is fixed in the front end of above-mentioned contact pin 3, and
Contact pin 3 and casing 1 are coaxial, and the radial dimension of contact pin 3 is consistent with the radial dimension of casing 1；Above-mentioned optical fiber 4 is plugged in contact pin 3
Inner hole in, and the inner hole of contact pin 3 and lens 2 are coaxially disposed.
In order to guarantee being fixedly connected between contact pin 3 and ring flange 5, in the present embodiment, the rear end of contact pin 3 and ring flange
It is elastic conjunction between 5, specifically there is major diameter section and path section for ring flange 5, after wherein major diameter section is set on casing 1
It holds on outer wall, the rear end of above-mentioned contact pin 3 is suppressed into the path section of ring flange 5 and 5 elastic conjunction of ring flange.It can keep away in this way
Exempt from the process of increase bonding agent and grinding, it is relatively simple for structure, and also the 3 end face precision of contact pin after assembly can obtain preferably
Guarantee.
Optical fiber connector 11 further includes setting in the intracorporal tailstock 6 of shell, and tailstock 6 has the receiving hole being inserted into for ring flange 5,
Be provided with step on the side wall of receiving hole, between the front end face of step and the rear end face of major diameter section press be provided be set in it is small
Floating spring 7 in diameter section, so that with certain axial floating when the casing 1 of two optical fiber connectors 11 docks
Effect guarantees that the stabilization in the contact of two optical fiber connectors 11 in docking operation with reliably, improves the anti-vibration of product
And impact property.
For lens 2, spot diameter can be expanded by extending light beam by it, expanded beam diameter and kept approximate
It is propagated forward in parallel in favor of coupling, approximate parallel light focusing is exported by self-focusing lens 2 in output end, reduces environment
Pollute the influence to the optical property of optical fiber connector 11.In the recessed casing 1 of the front end face of lens 2, as shown in figure 3, recessed ruler
The very little preferred 0.1mm of D has gap, is arranged in this way so that in two light that is, between the front end face of lens 2 and the front end face of casing 1
The realization optical path conduction contactless between corresponding two lens 2 when docking of casing 1 in fiber connector 11, reduces vibration and plugs together
The risk of the facet damage of lens 2 in the process improves the mechanical life of product.
Meanwhile porcelain bushing 8 is additionally provided in the encapsulating housing of fiber optic connector assembly 10, porcelain bushing 8 is silent
Casing, silent casing extend along the longitudinal direction, and hole size is consistent with the outer diameter of casing 1 in two optical fiber connectors 11,
When two casings 1 dock, be inserted into silent casing by the both ends of silent casing respectively, the setting of silent casing compared to
Split coupling 1 can be avoided 1 enclasping force of casing, thus reduce optical fiber connector 11 to slotting torque and separating torque, and close
The wall thickness of muzzle pipe is thicker, to casing 1 to it is slotting when the deflection that generates there is good correcting, appropriate can avoid casing
1 fracture, increases the service life and reliability of product.Certainly, in other embodiments, opening sleeve can also be used in porcelain bushing 8
Pipe, is set as clearance fit between casing 1 and split coupling at this time.
In other embodiments, the fixed form of contact pin and ring flange can not use interference fit, by contact pin with
Other fixed structures such as bonded structure are arranged between ring flange to be realized；Ring flange can only have path section, directly be connected to
It is fixed on sleeve.
Optical fiber connector in optical fiber connector according to the present invention, embodiment and above-mentioned fiber optic connector assembly
Embodiment structure type it is consistent, be no longer developed in details.
The embodiment of contact in contact according to the present invention, embodiment and above-mentioned fiber optic connector assembly
Unanimously, it be not developed in details.
Claims (8)
1. contact, including contact pin, ring flange, optical fiber, lens and casing, the axial direction for defining described sleeve pipe is front-rear direction, thoroughly
Mirror is assemblied in the inner front side of casing, and the optical fiber is fixed on inside contact pin, it is characterised in that: the front end of contact pin is assemblied in casing
Inner back side, the rear end fixing assembling of contact pin is on ring flange.
2. contact according to claim 1, it is characterised in that: interference fills between the rear end and ring flange of the contact pin
Match.
3. contact according to claim 2, it is characterised in that: the ring flange include front side major diameter section and with major diameter section
The path section of the rear side of connection, elastic conjunction between the contact pin and path section, the major diameter section are set in outside the rear end of casing
On wall.
4. contact according to claim 3, it is characterised in that: the optical fiber connector further includes tailstock, the tailstock
Press is provided with floating spring along the longitudinal direction between the ring flange.
5. contact according to claim 4, it is characterised in that: the tailstock has the receiving hole being inserted into for ring flange,
The receiving hole is internally provided with step surface, and the floating spring press is set between step surface and the rear end face of major diameter section.
6. described in any item contacts according to claim 1 ~ 5, it is characterised in that: the recessed casing in the front end of the lens
It is interior.
7. optical fiber connector, including shell and setting, in the intracorporal contact of shell, the contact includes contact pin, ring flange, light
Fine, lens and casing, the axial direction for defining described sleeve pipe is front-rear direction, and lens arrangement is in the inner front side of casing, the optical fiber
It is fixed on inside contact pin, it is characterised in that: the contact is described in any item contacts of the claims 1 ~ 6.
8. fiber optic connector assembly, it is mutually butted the optical fiber connector for realizing conducting light paths including two, optical fiber connector, including
Shell and it is arranged in the intracorporal contact of shell, the contact includes contact pin, ring flange, optical fiber, lens and casing, described in definition
The axial direction of casing is front-rear direction, and lens arrangement is fixed on inside contact pin in the inner front side of casing, the optical fiber, and feature exists
In: the contact is described in any item contacts of the claims 1 ~ 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710779554.XA CN109425940A (en) | 2017-09-01 | 2017-09-01 | A kind of fiber optic connector assembly and its optical fiber connector, contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710779554.XA CN109425940A (en) | 2017-09-01 | 2017-09-01 | A kind of fiber optic connector assembly and its optical fiber connector, contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109425940A true CN109425940A (en) | 2019-03-05 |
Family
ID=65513020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710779554.XA Pending CN109425940A (en) | 2017-09-01 | 2017-09-01 | A kind of fiber optic connector assembly and its optical fiber connector, contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109425940A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286447A (en) * | 2019-07-05 | 2019-09-27 | 南京全信传输科技股份有限公司 | A kind of optical fiber beam expansion contact based on self-focusing lens |
| CN110488426A (en) * | 2019-08-27 | 2019-11-22 | 苏州库克光电技术有限公司 | A kind of production method of polarization-maintaining fiber connector |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0264976B1 (en) * | 1983-06-06 | 1991-03-20 | Amp Incorporated | A ferrule for and a method of terminating a fiber optic transmission member |
| US20030095780A1 (en) * | 2001-11-21 | 2003-05-22 | Yao-Hao Chang | Optical attenuator |
| CN1434314A (en) * | 2002-01-16 | 2003-08-06 | 精工电子有限公司 | Sleeve and making method, and optical connector plug |
| CN101446672A (en) * | 2008-12-30 | 2009-06-03 | 中航光电科技股份有限公司 | Optical fiber connector |
| CN101852897A (en) * | 2008-10-29 | 2010-10-06 | 泰科电子公司 | Single-channel expanded beam connector |
| CN201681173U (en) * | 2009-10-02 | 2010-12-22 | 中航光电科技股份有限公司 | Optical fiber contact |
| CN201780391U (en) * | 2010-07-21 | 2011-03-30 | 中航光电科技股份有限公司 | Fiber beam expansion contact and fiber beam expansion connector using same |
-
2017
- 2017-09-01 CN CN201710779554.XA patent/CN109425940A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0264976B1 (en) * | 1983-06-06 | 1991-03-20 | Amp Incorporated | A ferrule for and a method of terminating a fiber optic transmission member |
| US20030095780A1 (en) * | 2001-11-21 | 2003-05-22 | Yao-Hao Chang | Optical attenuator |
| CN1434314A (en) * | 2002-01-16 | 2003-08-06 | 精工电子有限公司 | Sleeve and making method, and optical connector plug |
| CN101852897A (en) * | 2008-10-29 | 2010-10-06 | 泰科电子公司 | Single-channel expanded beam connector |
| CN101446672A (en) * | 2008-12-30 | 2009-06-03 | 中航光电科技股份有限公司 | Optical fiber connector |
| CN201681173U (en) * | 2009-10-02 | 2010-12-22 | 中航光电科技股份有限公司 | Optical fiber contact |
| CN201780391U (en) * | 2010-07-21 | 2011-03-30 | 中航光电科技股份有限公司 | Fiber beam expansion contact and fiber beam expansion connector using same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286447A (en) * | 2019-07-05 | 2019-09-27 | 南京全信传输科技股份有限公司 | A kind of optical fiber beam expansion contact based on self-focusing lens |
| CN110488426A (en) * | 2019-08-27 | 2019-11-22 | 苏州库克光电技术有限公司 | A kind of production method of polarization-maintaining fiber connector |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190305 |