CN105527678A - Optical fiber airtight cabin crossing connector - Google Patents
Optical fiber airtight cabin crossing connector Download PDFInfo
- Publication number
- CN105527678A CN105527678A CN201610040590.XA CN201610040590A CN105527678A CN 105527678 A CN105527678 A CN 105527678A CN 201610040590 A CN201610040590 A CN 201610040590A CN 105527678 A CN105527678 A CN 105527678A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- lock pin
- crossing cabin
- sealing material
- connector
- 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.)
- Granted
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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
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means
-
- 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
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two 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
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
- G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses an optical fiber airtight cabin crossing connector, comprising a cabin crossing sealing flange and two socket assembling bodies which are arranged inside and outsidethe cabin, and a connection cover plate and a plurality of metalized optical fiber assemblies; the socket assembling bodies are symmetrically arranged on two ends of the cabin crossing sealing flange through the connection plate cover; the metalized optical assembly comprises a nickel tube, a stainless steel pipe and a loose cannula; the optical fiber is sealed inside the nickel tube through a first sealing material; the stainless steel tube is integratedly crimped with the nickel tube by passing through the optical fiber; the loose tube is arranged on the outer ends of the stainless steel and the nickel tube; the stainless steel tube is arranged in the middle of the flange and the connection is sealed through the second sealing material. The invention solves the problem that the sealing effect of the current optical fiber airtight cabin crossing connector is unstable and the sealing rate is low. Furthermore, the insertion core in the invention is in a floating free state, which enables the insertion cone to have a certain adaptive ability during the grounding and can better effectively transmit the signal.
Description
Technical field
The present invention relates to a kind of connector, particularly relate to the airtight crossing cabin connector of a kind of optical fiber.
Background technology
If Fig. 1 is the airtight crossing cabin connector 100 of existing fiber, its structure mainly adopted is as follows:
Outside lock pin 101 is loaded by the mode be press-fitted in the hole of optical fiber seal seat 102, optical fiber 103 is penetrated in the hole of outside lock pin 101, in the center micropore of optical fiber seal seat 102, put into glass solder 104, after heat fused, optical fiber 103 is fixed in optical fiber seal seat 102; Inner side lock pin 105 is loaded in the hole of optical fiber seal seat 102, with epoxy glue 106, the two ends of optical fiber 103 are bonded in inner side lock pin 105 respectively with outside lock pin 101, inner side lock pin 105 and outside lock pin 101 are processed into the interface of PC or APC type, then be fixed in seal flange 107 by the mode of welding, adopt the mode of welded seal between seal flange 107 and cabin body, connect with plug and realize optical signal transmission.
Mainly there is following problem in this typical optical fiber crossing cabin hermetically sealed connector:
1, lock pin loads in optical fiber seal bore by press-fit, exist be press-fitted success ratio low, be press-fitted not firm, that shock resistance is poor defect.
2, this structure is for the technique putting into glass solder in the micropore of optical fiber seal seat center, there is unreasonable part.Glass solder has certain mobility, without the corresponding structure making flow of solder material condition controlled between epoxy glue to glass solder.
3, lock pin is not relocatable relative stationary state, can not adapt to well, increase part processing precision requirement, thus improve processing cost the eccentricity issues that part's machining errors causes.
Compared with the above typical airtight crossing cabin connector of optical fiber, needing to research and develop the airtight crossing cabin connector of a kind of optical fiber can effectively solve the problem, and adopts more reasonably Structure and energy method to realize the crossing cabin sealing of connector and the crossing cabin transmission of signal.
Summary of the invention
The object of the invention is to solve the problems of the prior art, provide a kind of optical fiber airtight crossing cabin connector.
Technical scheme of the present invention is: the airtight crossing cabin connector of a kind of optical fiber, comprises crossing cabin seal flange and is separately positioned on two socket assemblies inside and outside cabin, also comprise and connect cover plate and multiple metallized optical fibre assembly; Described socket assembly is symmetrically set in the two ends of described seal flange by described connection cover plate; Described metallized optical fibre assembly comprises nickel pipe, stainless-steel tube and Loose tube; Optical fiber is sealed in described nickel pipe by the first sealing material, and described stainless-steel tube crimps with nickel pipe through described optical fiber and is integrated, and described Loose tube is located at the outer end of stainless-steel tube and nickel pipe; Described stainless-steel tube is located in the through hole in the middle part of described seal flange, and by the sealing of the second sealing material place of connecting, is sealed between itself and crossing cabin flange by the 3rd sealing material.
Preferably, described socket assembly comprises socket, crimping packing ring and lock pin matrix, and described lock pin matrix is fixed in described socket by described crimping packing ring.
Preferably, described lock pin matrix comprises the lock pin, lock pin stage clip, stage clip packing ring and the pressing plate that connect with optical fiber; Described lock pin matrix has offered mounting hole, and described lock pin is pressed in lock pin matrix mounting hole by lock pin stage clip, stage clip packing ring, and is located by described lock pin by described pressing plate.
Preferably, the convex key in described lock pin matrix and the groove of socket are oppositely arranged, and realize the location of lock pin matrix.
Preferably, a register pin is had in described lock pin matrix press-in.
Preferably, described first sealing material is AuSn solder, and described second sealing material is epoxy glue, and described 3rd sealing material is SnPb solder.
Preferably, sealed by O RunddichtringO between described seal flange and bulkhead.
Preferably, be provided with external thread in the outside of described stainless-steel tube, be threaded connection between described stainless-steel tube and flange, both are welded as a whole by SnPb solder by its junction.
Technique effect of the present invention be mainly reflected in following some:
1) hermetically-sealed construction of integrated use of the present invention optical fiber metallization welded seal, epoxy glue water-stop, inter metallic bond sealing, O-ring seal sealing, solves the problem that existing fiber airtight crossing cabin connector sealing effectiveness is unstable, sealing effectiveness magnitude is lower;
2) lock pin of the present invention is in relocatable free state, has certain adaptive ability when lock pin is docked, and more effectively can carry out Signal transmissions;
3) lock pin floating structure of the present invention, reduces the accuracy requirement of part processing, thus reduces processing cost;
4) lock pin in the present invention can use PC type, APC type, PC and APC etc. multiple comprehensive, and strong adaptability, compatibility are high, and technology maturation easily realizes batch production.
Accompanying drawing explanation
Fig. 1 is the overall sectional structure schematic diagram of existing connector;
Fig. 2 is the structural representation that entirety of the present invention is analysed and observe;
Fig. 3 is the structural representation of metallized optical fibre assembly in the present invention.
Fig. 4 is the structural representation of lock pin assembly in the present invention;
Fig. 5 is the front schematic view of the profile of installment state of the present invention;
Fig. 6 is the structural representation between seal flange of the present invention and bulkhead.
Embodiment
The technological means realized to make the present invention, technical characteristic, goal of the invention and technique effect are easy to understand, and below in conjunction with concrete diagram, set forth the present invention further.
As shown in Figure 2, be the airtight crossing cabin connector of a kind of optical fiber of the present invention, comprise seal flange 10 and socket assembly, also comprise two and connect cover plate 9 and multiple metallized optical fibre assembly.Socket assembly of the present invention connects the two ends being arranged on seal flange 10 of cover plate 9 symmetry by two.
Metallized optical fibre assembly in the present embodiment comprises gold-plated nickel pipe 13, stainless-steel tube 15 and Loose tube 16.By AuSn solder 14, optical fiber 17 is welded on gold-plated nickel pipe 13; realize the sealing of optical fiber metallization welding; then stainless-steel tube 15 is passed optical fiber 17, is crimped together with gold-plated nickel pipe 13, protect the root of optical fiber 17 with Loose tube 16, common composition metallized optical fibre assembly.
As shown in Figure 3, stainless-steel tube 15 in metallized optical fibre assembly is provided with external thread, by metallized optical fibre assembly by screwing in seal flange 10, be coated with epoxy glue 18 at connection of thread and realize epoxy glue water-stop, then by SnPb solder 11 metallized optical fibre assembly and flange 10 welded together and realize welded seal.Sealing between seal flange 10 and bulkhead, is sealed by O RunddichtringO 12.
Socket assembly of the present invention comprises: socket 1, crimping packing ring 6 and lock pin matrix 5, above-mentioned lock pin matrix 5 is fixed in described socket 1 by described crimping packing ring 6.Wherein lock pin matrix 5 comprises the lock pin 3, lock pin stage clip 4, stage clip packing ring 6 and the pressing plate 7 that connect with optical fiber 17.Described lock pin matrix 5 offers mounting hole, and lock pin 3 is pressed in the mounting hole of lock pin matrix 5 by lock pin stage clip 4, stage clip packing ring 6, and is located by described lock pin 3 by described pressing plate 7.
As shown in Figure 4, the assembly production process of above-mentioned socket assembly is as follows:
First stage clip packing ring 6, lock pin stage clip 4 are penetrated seal flange 10 liang of optical fiber 17 of having welded successively, then lock pin 3 is prepared in the both sides of the seal flange 10 welded respectively, lock pin 3 in the present embodiment can select PC type, APC type etc., register pin 2 is pressed into lock pin matrix 5, when connector docks, register pin 2 can play the effect of pre-determined bit
The lock pin 3 prepared is loaded lock pin matrix 5 together with lock pin stage clip 4, stage clip packing ring 6, with screw, pressing plate 7 and lock pin matrix 5 are fixedly realized the location of lock pin 3, lock pin matrix 5 is loaded socket 1, the groove of the convex key alignment socket body 1 in lock pin matrix 5 realizes the location of lock pin matrix 5, lock pin matrix 5 is compressed with crimping packing ring 8, crimping packing ring 8 and socket 1 between interference fit, make lock pin 3, stage clip packing ring 6, lock pin stage clip 4, lock pin matrix 5, register pin 2, pressing plate 7, socket 1, crimping packing ring 8 form lock pin assembly.
As shown in Figure 1 and Figure 5, cover between lock pin assembly and the seal flange 10 welded and be connected cover plate 9, be fixedly connected with cover plate 9 and lock pin assembly with sunk screw, be connected cover plate 9 and the seal flange 10 welded respectively, complete the general assembly of connector.Optical fiber after general assembly airtight crossing cabin connector can realize the airtight transmission of light signal with corresponding mating plug connector.
As shown in Figure 5 and Figure 6, fix with socket head cap screw 20 between seal flange 10 of the present invention and bulkhead 19, the crossing cabin realizing the airtight crossing cabin connector of optical fiber is fixed.
Optical fiber 17 in the present invention and realize optical fiber between gold-plated nickel pipe 13 and to metallize welded seal, epoxy glue 18 is threaded through to realize epoxy glue water-stop between stainless-steel tube 15 and flange 10, metallized optical fibre assembly and flange 10 weld together to realize inter metallic bond and seal, and realize O-ring seal seal between seal flange 10 and bulkhead 19 by O-ring seals 12.Above-mentioned multi-sealing structure can make that the sealing effectiveness of connector is more stable, sealing effectiveness magnitude is higher.
In the present invention, the use of lock pin stage clip 4 allows lock pin 3 be in relocatable free state in addition, during connector docking, lock pin 3 has certain autoregistration adaptive faculty, more effectively can carry out Signal transmissions, and lock pin 3 is in and the structure of quick condition can reduces part processing precision requirement, thus reduce processing cost.
Be only preferred embodiment of the present invention in sum, be not used for limiting practical range of the present invention.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, and all should belong to technology category of the present invention.
Claims (7)
1. the airtight crossing cabin connector of optical fiber, comprises crossing cabin seal flange and is separately positioned on two socket assemblies inside and outside cabin, it is characterized in that: also comprise and connect cover plate and multiple metallized optical fibre assembly; Described socket assembly is symmetrically set in the two ends of described seal flange by described connection cover plate; Described metallized optical fibre assembly comprises nickel pipe, stainless-steel tube and Loose tube; Optical fiber is sealed in described nickel pipe by the first sealing material, and described stainless-steel tube crimps with nickel pipe through described optical fiber and is integrated, and described Loose tube is located at the outer end of stainless-steel tube and nickel pipe; Described stainless-steel tube is located in the through hole in the middle part of described seal flange, and by the sealing of the second sealing material place of connecting, is sealed between itself and crossing cabin flange by the 3rd sealing material.
2. the airtight crossing cabin connector of optical fiber according to claim 1, is characterized in that: described socket assembly comprises socket, crimping packing ring and lock pin matrix, and described lock pin matrix is fixed in described socket by described crimping packing ring.
3. the airtight crossing cabin connector of optical fiber according to claim 2, is characterized in that: described lock pin matrix comprises the lock pin, lock pin stage clip, stage clip packing ring and the pressing plate that connect with optical fiber; Described lock pin matrix offers mounting hole, and described lock pin is pressed in lock pin matrix mounting hole by lock pin stage clip, stage clip packing ring, and is located by described lock pin by described pressing plate.
4. the airtight crossing cabin connector of the optical fiber according to Claims 2 or 3, is characterized in that: the convex key in described lock pin matrix and the groove of socket are oppositely arranged, and realize the location of lock pin matrix.
5. the airtight crossing cabin connector of optical fiber according to claim 2, is characterized in that: have a register pin in described lock pin matrix press-in.
6. the airtight crossing cabin connector of optical fiber according to claim 1, it is characterized in that: described first sealing material is AuSn solder, described second sealing material is epoxy glue, and described 3rd sealing material is SnPb solder; Sealed by O RunddichtringO between described seal flange and bulkhead.
7. the airtight crossing cabin connector of optical fiber according to claim 1, is characterized in that: be provided with external thread in the outside of described stainless-steel tube, and be threaded connection between described stainless-steel tube and flange, both are welded as a whole by SnPb solder by its junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040590.XA CN105527678B (en) | 2016-01-21 | 2016-01-21 | A kind of airtight crossing cabin connector of optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040590.XA CN105527678B (en) | 2016-01-21 | 2016-01-21 | A kind of airtight crossing cabin connector of optical fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105527678A true CN105527678A (en) | 2016-04-27 |
| CN105527678B CN105527678B (en) | 2018-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610040590.XA Active CN105527678B (en) | 2016-01-21 | 2016-01-21 | A kind of airtight crossing cabin connector of optical fiber |
Country Status (1)
| Country | Link |
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| CN (1) | CN105527678B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797193A (en) * | 2017-12-19 | 2018-03-13 | 上海航天科工电器研究院有限公司 | A kind of fiber waveguide seals crossing cabin socket |
| CN108007484A (en) * | 2017-12-27 | 2018-05-08 | 深圳市光子传感技术有限公司 | A kind of package system and its method for packing of novel optical fiber sensor |
| CN109298486A (en) * | 2018-10-24 | 2019-02-01 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Micro metal optical fiber connector and its packaging method |
| CN117578333A (en) * | 2023-11-15 | 2024-02-20 | 中国船舶集团有限公司第七一九研究所 | Cable integrated cabin penetrating sealing device and installation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202886645U (en) * | 2012-09-12 | 2013-04-17 | 苏州瑞可达连接系统有限公司 | Multi-core fiber connector |
| CN204389735U (en) * | 2014-10-13 | 2015-06-10 | 中国电子科技集团公司第二十三研究所 | A kind of crossing cabin connector body adopting metallized optical fibre |
| CN204945433U (en) * | 2015-09-09 | 2016-01-06 | 四川永贵科技有限公司 | Multi-core number inclined surface fiber connector |
| CN205427241U (en) * | 2016-01-21 | 2016-08-03 | 中国电子科技集团公司第二十三研究所 | Airtight crossing cabin connector of optic fibre |
-
2016
- 2016-01-21 CN CN201610040590.XA patent/CN105527678B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202886645U (en) * | 2012-09-12 | 2013-04-17 | 苏州瑞可达连接系统有限公司 | Multi-core fiber connector |
| CN204389735U (en) * | 2014-10-13 | 2015-06-10 | 中国电子科技集团公司第二十三研究所 | A kind of crossing cabin connector body adopting metallized optical fibre |
| CN204945433U (en) * | 2015-09-09 | 2016-01-06 | 四川永贵科技有限公司 | Multi-core number inclined surface fiber connector |
| CN205427241U (en) * | 2016-01-21 | 2016-08-03 | 中国电子科技集团公司第二十三研究所 | Airtight crossing cabin connector of optic fibre |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797193A (en) * | 2017-12-19 | 2018-03-13 | 上海航天科工电器研究院有限公司 | A kind of fiber waveguide seals crossing cabin socket |
| CN107797193B (en) * | 2017-12-19 | 2019-06-25 | 上海航天科工电器研究院有限公司 | A kind of optical waveguide sealing crossing cabin socket |
| CN108007484A (en) * | 2017-12-27 | 2018-05-08 | 深圳市光子传感技术有限公司 | A kind of package system and its method for packing of novel optical fiber sensor |
| CN109298486A (en) * | 2018-10-24 | 2019-02-01 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Micro metal optical fiber connector and its packaging method |
| CN109298486B (en) * | 2018-10-24 | 2023-10-20 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Miniature metal optical fiber connector and packaging method thereof |
| CN117578333A (en) * | 2023-11-15 | 2024-02-20 | 中国船舶集团有限公司第七一九研究所 | Cable integrated cabin penetrating sealing device and installation method |
| CN117578333B (en) * | 2023-11-15 | 2024-06-04 | 中国船舶集团有限公司第七一九研究所 | Cable integrated cabin penetrating sealing device and installation method |
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| Publication number | Publication date |
|---|---|
| CN105527678B (en) | 2018-01-16 |
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