CN105425345B - Hermetic fiber connector - Google Patents
Hermetic fiber connector Download PDFInfo
- Publication number
- CN105425345B CN105425345B CN201510814313.5A CN201510814313A CN105425345B CN 105425345 B CN105425345 B CN 105425345B CN 201510814313 A CN201510814313 A CN 201510814313A CN 105425345 B CN105425345 B CN 105425345B
- Authority
- CN
- China
- Prior art keywords
- housing
- contact
- light contact
- mounting hole
- fiber 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.)
- Active
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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
- G02B6/3826—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape
- G02B6/3831—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape comprising a keying element on the plug or adapter, e.g. to forbid wrong connection
-
- 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
Abstract
The present invention relates to hermetic fiber connector, including light contact and housing, the mounting hole for extending in left-right direction is provided with housing, guiding movement is assemblied in the mounting hole light contact in left-right direction, restricted smooth contact towards the left Stop structure for moving left the limit is set on housing, optical fiber is coated with mounting hole, optical fiber has the seal section and being connected with the smooth contact on the left of seal section and flexible bendable tune when by right direction active force for sealing cooperation with mounting hole by sealing structure, limitation light contact towards the right Stop structure for moving right the limit is additionally provided with housing.The invention provides a kind of hermetic fiber connector that can be sealed and can axially float.
Description
Technical field
The present invention relates to a kind of hermetic fiber connector.
Background technology
When needing the casing to sealing to introduce optical signal or outwards draw optical signal by casing, it is necessary to be set on casing
Adapter connector, to ensure the sealed environment of casing.Existing adaptor connector is as shown in Figure 1：Including housing 2, on housing 2
The mounting hole for extending in left-right direction is provided with, light contact 1 is provided with mounting hole, led between light contact 1 and mounting hole
Sealant pouring and sealing 3 is crossed, when using, housing seal is installed on casing.Existing this adaptor connector has problems in that：
Although sealant pouring and sealing ensure that gas is not revealed, but also contact loses float function, and fiber alignment precision is micron
Even sub-micrometer precision, current housing processing and assembly precision do not reach requirement completely, cause adaptor connector be adapted to
When connector is to inserting, the insertion loss problem bigger than normal of connector is inevitably resulted in.
The content of the invention
It is an object of the invention to a kind of hermetic fiber connector that can be sealed and can axially float.
In order to solve the above problems, the technical scheme is that：
Hermetic fiber connector, including light contact and housing, are provided with the mounting hole for extending in left-right direction on housing,
Guiding movement is assemblied in the mounting hole light contact in left-right direction, restricted smooth contact court is set on housing and is moved left
The left Stop structure of the limit, is coated with optical fiber in mounting hole, optical fiber is close with what is coordinated by sealing structure and mounting hole sealing
Envelope section and being connected with the smooth contact on the left of seal section and flexible bendable when by right direction active force
Tune, is additionally provided with limitation light contact towards the right Stop structure for moving right the limit on housing.
Light contact has multiple, and each smooth contact is divided into spaced at least two smooth contact group along the longitudinal direction,
Each light contact group includes light contact described at least two, and each smooth contact in each light contact group is by connection
Body connects together and forms a MT contact pin.
The housing includes shell body and inner housing, and the connection knot for being connected with intermateable connector is provided with shell body
Structure, inner housing includes middle casing and the support column and guide housings that are arranged on the left of middle casing, middle casing, support column and
Guide housings split is set, and the sealing structure is arranged on the middle casing, is provided with support column for optical fiber vertically
The optical fiber wears groove that direction passes through, right Stop structure is arranged on the support column, and light contact guiding movement is assemblied in described leading
To on housing, left Stop structure is arranged on the guide housings.
The right Stop structure is made up of the left side of the support column.
Support column is fixed on the middle casing by the lock-screw on axis edge in left-right direction.
Eccentric setting has the alignment pin that axis extends in left-right direction on middle casing, is provided with guide housings and positioning
The location hole that finger setting coordinates.
Inner housing, shell body split are set, and inner housing is sealed by sealing ring and is assemblied in the endoporus of shell body.
Beneficial effects of the present invention are：When the hermetic fiber connector and intermateable connector are to inserting, light contact can be received
Arrive to the right to inserting power, the bendable tune bending of optical fiber adapts to moving right for light contact, light contact by float come
Ensure signal transmission quality, insertion loss is reduced, while the sealing structure between optical fiber and housing also ensures sealing property.
Brief description of the drawings
Fig. 1 is the structural representation of background of invention；
Fig. 2 is the structural representation of one embodiment of the present of invention；
Fig. 3 is the structural representation of inner housing in Fig. 2；
Fig. 4 is the structural representation of shell body in Fig. 2；
Fig. 5 is the exploded view of Fig. 3；
Fig. 6 is the assembling process schematic diagram of support column in Fig. 2.
Specific embodiment
The implementation of hermetic fiber connector is for example shown in Fig. 2 ~ 6：Including light contact 17 and housing, light contact has multiple
And positioned at the two ends of housing, the light contact per one end is divided into spaced four light contact group along the longitudinal direction, each
Light contact group includes 12 light contacts, and each smooth contact in each light contact group is linked together by connector
And a MT contact pin 7 is formed, the MT contact pins that position keeps left are corresponded with the MT contact pins that position is kept right and set, corresponding two MT
Connected by optical fiber between contact pin.Housing include shell body 4 and inner housing, be provided with shell body 4 adpting flange 2 and for
The connected attachment structure of intermateable connector, attachment structure includes being arranged at the external screw thread 1 and internal thread 6 at shell body two ends, connection
The shell body sealing ring 3 for coordinating with corresponding box sealing is provided with flange 2, inner housing is set with the split of shell body 4, outward
Guide key groove 21 is provided with housing 4, the feather key 20 for being oriented to guide key groove and being coordinated, inside and outside housing are provided with inner housing
Between be provided with interior casing seal circle 12, the right-hand member of shell body sets restricted inner housing towards the block step for moving right, shell
The threaded collar 16 that the restricted inner housing court of left end spinning of body moves left.
The mounting hole for extending in left-right direction is provided with inner housing, optical fiber is arranged in mounting hole, during inner housing includes
Between housing 11 and be arranged in the left support post 14 in the left side of middle casing 11, left guide housings 15 and be arranged in the right side of middle casing 11
Right support post 9, right guide housings 8, the MT contact pin guiding movements in left side are assemblied in left guide housings 15, and optical fiber has and passes through
Seal section 30 and being connect with the light in corresponding MT contact pins positioned at the left side of seal section 30 that sealing structure 13 coordinates with mounting hole sealing
Contact element is connected and the flexible bendable tune 10 when by right direction active force, and sealing structure is cushion rubber, and cushion rubber is by embedding
Adhesive curing is formed.Restricted smooth contact towards the left Stop structure 18 for moving left the limit, left block knot is set on left guide housings
Structure is a step surface.The optical fiber wears groove 32 passed through along the vertical direction for optical fiber is provided with left support post, on left support post
Bore portion is installed to be connected with optical fiber wears groove, and the aperture of the installation bore portion on left support post is more than the diameter of bending section to cause
Bending section can bend.The left side 19 of left support post is constituted for being moved right with limiting MT contact pins court with the spacing cooperation of MT contact pins
The right Stop structure of the limit, left support post 14 is fixed on middle casing 11 by the lock-screw 31 that axis extends in left-right direction
On.Left and right guide housings use symmetrical structure, and left support post is identical with right support rod structure, simply the optical fiber on left support post
Wears groove notch down, the optical fiber wears groove notch on right support post upward, therefore herein no longer to right support post and right guide housings
Structure be described in detail.Middle casing left end eccentric setting has the left alignment pin 24 that axis extends in left-right direction, and a left side is led
To the left location hole 22 being provided with housing with left alignment pin location fit, middle casing right-hand member eccentric setting has axis along left and right
The right alignment pin 25 that direction extends, is provided with the right location hole 26 with right alignment pin location fit on right guide housings, left and right fixed
Sell setting of staggering up and down in position.Fig. 5 middle terms 23 represent the punched out passed for MT contact pins；Fig. 2 middle terms 5 represent back-up ring.
The left and right end of hermetic fiber connector can realize signaling transfer point, now sealing light with intermateable connector to inserting
The left end of fiber connector is illustrated with intermateable connector to being inserted as use of the example to this hermetic fiber connector, when adaptation is connected
When device and hermetic fiber connector left end are to inserting, MT contact pin stress moves right, the bendable tune flexural deformation of optical fiber and adapt to
The movement of MT contact pins, the left end of left support post to coordinate with MT contact pins block and move to right the limit with limit MT contact pins, prevents optical fiber mistake
Cross bending.Left support post is taken and is set with middle casing split, after the light contact grinding on MT contact pins, then vertically side
It is to ensure MT contact pins with centre in light contact process of lapping using this rear assembling structure to bending section periphery is stuck in
There are enough fiber lengths between housing, so convenient grinding.In other embodiments of the invention：Light contact can be in advance
Ground, now support column and middle casing can be wholely set；Left and right Stop structure can also be other structures, such as
Jump ring or back-up ring etc.；Middle casing can also be wholely set with shell body；The quantity of light contact can be with each MT contact pin
Selected as needed, such as 24 or other numbers, certain each light contact group can not also constitute MT contact pins, than
Such as say SC, FC other contact pins；The MT contact pins that the right support post of hermetic fiber connector right-hand member, right guide housings and position are kept right
Can also be without setting, now the right-hand member of optical fiber can be passed on the other joints of optical fibre of rear connector by middle casing；Sealing knot
Structure can also be sealing ring；Internal and external screw thread other can also can be realized hermetic fiber connector and be adapted to by crank slot, draw-in groove etc.
The attachment structure of connector locking replaces.
Claims (6)
1. hermetic fiber connector, including light contact and housing, light contact have multiple and positioned at housing two ends, every one end
Light contact is divided into light contact group, it is characterised in that：The mounting hole for extending in left-right direction is provided with housing, for one end
Light contact group, guiding movement is assemblied in the mounting hole light contact in left-right direction, and restricted light contact is set on housing
Part is coated with optical fiber towards the left Stop structure for moving left the limit in mounting hole, optical fiber has close with mounting hole by sealing structure
Seal the seal section and being connected with the smooth contact on the left of seal section and can when by right direction active force for coordinating
The bendable tune of bending, is additionally provided with limitation light contact towards the right Stop structure for moving right the limit, the housing bag on housing
Shell body and inner housing are included, the attachment structure for being connected with intermateable connector is provided with shell body, inner housing includes centre
Housing and the support column and guide housings that are arranged on the left of middle casing, middle casing, support column and guide housings split are set,
The sealing structure is arranged on the middle casing, the optical fiber passed through along the vertical direction for optical fiber is provided with support column and is worn
Groove, right Stop structure is arranged on the support column, and light contact guiding movement is assemblied on the guide housings, left block knot
Structure is arranged on the guide housings.
2. hermetic fiber connector according to claim 1, it is characterised in that：Light contact has multiple, each smooth contact
It is divided into spaced at least two smooth contact group along the longitudinal direction, each light contact group includes light described at least two
Contact, each smooth contact in each light contact group is connected together by connector and forms a MT contact pin.
3. hermetic fiber connector according to claim 1, it is characterised in that：The right Stop structure is by the support column
Left side constitute.
4. hermetic fiber connector according to claim 1, it is characterised in that：Support column passes through axis edge in left-right direction
Lock-screw be fixed on the middle casing.
5. hermetic fiber connector according to claim 1, it is characterised in that：Eccentric setting has axis edge on middle casing
The alignment pin that left and right directions extends, is provided with the location hole with alignment pin location fit on guide housings.
6. hermetic fiber connector according to claim 1, it is characterised in that：Inner housing, shell body split are set, inner casing
Body is sealed by sealing ring and is assemblied in the endoporus of shell body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814313.5A CN105425345B (en) | 2015-11-23 | 2015-11-23 | Hermetic fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814313.5A CN105425345B (en) | 2015-11-23 | 2015-11-23 | Hermetic fiber connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105425345A CN105425345A (en) | 2016-03-23 |
| CN105425345B true CN105425345B (en) | 2017-06-27 |
Family
ID=55503665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510814313.5A Active CN105425345B (en) | 2015-11-23 | 2015-11-23 | Hermetic fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105425345B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629398B (en) * | 2016-03-31 | 2017-11-10 | 中航光电科技股份有限公司 | A kind of optic fibre switching connector |
| CN105717581B (en) * | 2016-03-31 | 2018-01-09 | 中航光电科技股份有限公司 | A kind of Optical fiber plug component and the optic fibre switching connector using the component |
| CN113075769A (en) * | 2021-04-01 | 2021-07-06 | 洛阳赛焱光电科技有限公司 | Anti-loose optical fiber converter for realizing non-contact and contact type transmission mode conversion |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3274941B2 (en) * | 1994-10-18 | 2002-04-15 | 株式会社サンコーシヤ | Closure for communication cable |
| JP2006039273A (en) * | 2004-07-28 | 2006-02-09 | Kyocera Corp | Hermetic seal structure of optical fiber mounting section |
| CN203164473U (en) * | 2013-03-15 | 2013-08-28 | 中国工程物理研究院核物理与化学研究所 | Anti-compression optical fiber hermetic seal switching box body |
| CN104216059B (en) * | 2013-06-27 | 2016-09-21 | 中航光电科技股份有限公司 | Hermetic seal optical connector and manufacture method thereof |
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2015
- 2015-11-23 CN CN201510814313.5A patent/CN105425345B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105425345A (en) | 2016-03-23 |
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