CN106383382B - A kind of optical fiber contact and the connector using the optical fiber contact - Google Patents
A kind of optical fiber contact and the connector using the optical fiber contact Download PDFInfo
- Publication number
- CN106383382B CN106383382B CN201610787218.5A CN201610787218A CN106383382B CN 106383382 B CN106383382 B CN 106383382B CN 201610787218 A CN201610787218 A CN 201610787218A CN 106383382 B CN106383382 B CN 106383382B
- Authority
- CN
- China
- Prior art keywords
- contact
- installation set
- optical fiber
- shell
- procapsid
- 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.)
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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
- G02B6/3833—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
-
- 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
- G02B6/3855—Details of mounting fibres in ferrules; Assembly methods; Manufacture characterised by the method of anchoring or fixing the fibre within the ferrule
Abstract
The present invention provides a kind of optical fiber contact and use the connector of the optical fiber contact, optical fiber contact includes the contact shell and ceramic contact pin that front and back extends, it further include being mounted on the intracorporal installation set of contact shell, ceramic contact pin is fixedly mounted in installation set, the installation set, which also has, to be passed through from back to front for optical fiber and perforates to the optical fiber of ceramic contact pin docking, contact shell carries out block to installation set in a forward direction, it is additionally provided in contact shell for providing the spring of forward elastic force to installation set, the rear end cap of contact shell is equipped with the pressure welding case for being pressed on the tensile layer of optical cable on contact shell.It can be moved backward in contact shell when ceramic contact pin is by grafting resistance during grafting, and cable outer sheath can't move, the rollback resistance that installation set is subject to is smaller, is convenient for grafting.
Description
Technical field
The present invention relates to photocon more particularly to a kind of optical fiber contact and use the connector of the optical fiber contact.
Background technique
With the continuous development of communication information technology, optical fiber connection switching device is continuously improved, optical fiber contact
Part has important influence to service performance as the pith in optical connector, design feature.Authorization Notice No. is
CN202522735U, authorized announcement date are that the Chinese utility model patent of 2012.11.07 discloses a kind of anti-rotation optical fiber contact
And the optical fiber connector using the contact.The contact pin of this optical fiber contact is fixedly mounted in tail pipe, and the front end of tail pipe is set
There is a ring flange, the outer sheath of tail pipe is equipped with contact shell, and the front end of contact shell connects in closing up and being limited in ring flange
For the outer profile of contact element shell at pre-large post-small ladder shaft-like, contact shell is interior and is equipped with buffering elastic in the outer sheath of tail pipe
Spring.Convex key is additionally provided on the outer peripheral surface of ring flange, contact shell is equipped with the spin-ended slot cooperated with convex key, and realizes contact
The circumferential rotation stop of shell and tail pipe.
The rear end of the tail pipe of this contact is additionally provided with non-slip groove, after bunch set i.e. aluminium hydraulic pressed connecting pipe are set in tail pipe
End, the tensile layer of optical cable is pressed at anti-skidding groove location by bunch set when use, and realization contact is fixedly connected with optical cable.
But thus cause during contact grafting, when tail pipe is retreated because of grafting resistance, tail pipe will drive bunch set
And optical cable integrally moves back, and is unfavorable for the retrogressing of tail pipe to a certain extent, attachment force is larger when causing to dock.
Summary of the invention
The purpose of the present invention is to provide a kind of lesser optical fiber contacts of attachment force；The object of the invention is also to provide
A kind of connector using the optical fiber contact.
To achieve the above object, optical fiber contact of the present invention adopts the following technical scheme that a kind of optical fiber contact, including preceding
The contact shell and ceramic contact pin extended afterwards further includes being mounted on the intracorporal installation set of contact shell, and ceramic contact pin is fixed
It being mounted in installation set, the installation set also has the optical fiber for passing through for optical fiber and docking from back to front with ceramic contact pin perforation,
Contact shell carries out block to installation set in a forward direction, be additionally provided in contact shell for installation set provide to
The rear end cap of the spring of preceding elastic force, contact shell is equipped with for the tensile layer of optical cable to be pressed on contact shell
Pressure welding case.
The ceramic contact pin of optical fiber contact of the invention is mounted in installation set, and installation set is inserted into contact shell,
The oversheath of optical cable is pressed between pressure welding case and contact shell, in this way during grafting ceramic contact pin by grafting resistance
When can be moved backward in contact shell, and cable outer sheath can't move, the rollback resistance that installation set is subject to compared with
It is small, it is convenient for grafting.
Further, the contact shell includes the procapsid and back casing of split settings, and forward and backward shell passes through screw thread
Connection, the pressure welding case are set on back casing, and contact shell split settings are simultaneously connected through a screw thread, easy to assembly, processing
Cost is relatively low.
Further, the outer peripheral surface of installation set is equipped with outer bulge loop, and the front end of procapsid is equipped with turn edge, and contact shell is logical
The block cooperation for crossing turn edge and outer bulge loop is realized to the block in installation set forward direction.
Further, installation set is equipped with rotation stop convex key in the front side of outer bulge loop, and turn edge is equipped with to be cooperated with rotation stop convex key
Rotation stop groove.
Further, the outer peripheral surface diameter of procapsid is less than the outer peripheral surface diameter of back casing, in this way the preceding thread in disassembly
It covers in the retaining spring that will not be stuck in connector, it is easy to disassemble.
Further, procapsid and back casing are equipped with high-precision guiding mating surface, make front and back by precision-fit face
The concentricity of shell is higher, improves the coupling effect of optical signal.
Further, circumferential spline structure is additionally provided between procapsid and installation set.
Further, the outer peripheral surface of procapsid is equipped with antirotation keys, convenient for being mounted on connector shell in contact shell
The problem of cannot circumferentially being positioned when interior.
Further, the front end face of ceramic contact pin is the inclined-plane in a certain angle with the section perpendicular to axis.
Optical fiber connector of the invention adopts the following technical scheme that a kind of optical fiber connector, including connector shell and
The optical fiber contact being mounted in connector case body, the optical fiber contact include the contact shell and ceramics that front and back extends
Contact pin further includes being mounted on the intracorporal installation set of contact shell, and ceramic contact pin is fixedly mounted in installation set, and the installation set is also
With the optical fiber perforation for passing through for optical fiber and docking from back to front with ceramic contact pin, contact shell is in a forward direction to peace
Encapsulation carries out block, is additionally provided in contact shell for providing the spring of forward elastic force, contact shell to installation set
Rear end cap be equipped with pressure welding case for being pressed on the tensile layer of optical cable on contact shell.
The ceramic contact pin of optical fiber connector of the invention is mounted in installation set, and installation set is inserted into contact shell,
The oversheath of optical cable is pressed between pressure welding case and contact shell, in this way during grafting ceramic contact pin by grafting resistance
When can be moved backward in contact shell, and cable outer sheath can't move, the rollback resistance that installation set is subject to compared with
It is small, it is convenient for grafting.
Further, the contact shell includes the procapsid and back casing of split settings, and forward and backward shell passes through screw thread
Connection, the pressure welding case are set on back casing, and contact shell split settings are simultaneously connected through a screw thread, easy to assembly, processing
Cost is relatively low.
Further, the outer peripheral surface of installation set is equipped with outer bulge loop, and the front end of procapsid is equipped with turn edge, and contact shell is logical
The block cooperation for crossing turn edge and outer bulge loop is realized to the block in installation set forward direction.
Further, installation set is equipped with rotation stop convex key in the front side of outer bulge loop, and turn edge is equipped with to be cooperated with rotation stop convex key
Rotation stop groove.
Further, the outer peripheral surface diameter of procapsid is less than the outer peripheral surface diameter of back casing, in this way the preceding thread in disassembly
It covers in the retaining spring that will not be stuck in connector, it is easy to disassemble.
Further, procapsid and back casing are equipped with high-precision guiding mating surface, make front and back by precision-fit face
The concentricity of shell is higher, improves the coupling effect of optical signal.
Further, circumferential spline structure is additionally provided between procapsid and installation set.
Further, the outer peripheral surface of procapsid is equipped with antirotation keys, convenient for being mounted on connector shell in contact shell
The problem of cannot circumferentially being positioned when interior.
Further, the front end face of ceramic contact pin is the inclined-plane in a certain angle with the section perpendicular to axis.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of optical fiber contact embodiment one of the invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the structural schematic diagram of optical fiber contact embodiment one of the invention；
Fig. 5 is the stereoscopic schematic diagram of procapsid；
Fig. 6 is the left view of procapsid；
Fig. 7 is the structural schematic diagram of procapsid；
Fig. 8 is the stereoscopic schematic diagram of back casing；
Fig. 9 is the structural schematic diagram of back casing.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of optical fiber connector of the invention including connector shell and is mounted in connector case body
Optical fiber contact.The structure of optical fiber contact is as shown in Figs 1-4, including contact shell, wherein the structure of each part is as schemed
Shown in 5-9.For ease of description, the inserted terminal for defining contact shell is front end, and the one end for connecting optical fiber is rear end.
Contact shell includes the procapsid 3 and back casing 5 of split settings, and forward and backward shell is hollow tubular, inner hole
For being penetrated for optical cable.Procapsid inner peripheral surface is equipped with internal thread segment 33, and back casing outer peripheral surface is equipped with external thread section 53, forward and backward shell
Body is connected through a screw thread.Concentricity when in order to guarantee that forward and backward shell is assembled together is respectively equipped with precision on forward and backward shell
Mating surface 34,54, precision-fit face circular degree with higher.
Procapsid 3 is provided with installation set 2, and the front end of installation set 2 is fixedly installed with ceramic contact pin 1, and installation set 2 has for light
The optical fiber perforation that fibre is passed through from back to front and docked with ceramic contact pin 1.Wherein, the front end of procapsid 3 is equipped with turn edge 30, installation
The outer peripheral surface of set 2 is equipped with outer bulge loop 20, and outer bulge loop 20 cooperates with 30 block of turn edge and makes installation set 2 will not be before the abjection of front side
Shell 3.
It is additionally provided in the contact shell being made of procapsid 3 and back casing 5 and is supplied to the forward elastic reaction of installation set 2
The spring 4 of power, wherein the front end of spring 4 acts on the trailing flank of outer bulge loop 20, and the inner peripheral surface of back casing 5 is pre-large post-small
Stepped periphery, the rear end of spring act on the interior step surface of back casing 5, and the support by spring 4 to installation set 2 mentions
Supply optical fiber contact mating force.
In order to avoid ceramic contact pin and contact shell relatively rotate, it is additionally provided with only in the turn edge 30 of procapsid 3
Turn groove 31, correspondingly, is equipped in installation set 2 in the front side of outer bulge loop 20 and cooperates with the circumferential block of rotation stop groove 31, axially lead
To the rotation stop convex key 21 being slidably matched.
In addition, also needing to guarantee that contact shell will not be with connector when contact shell is mounted in connector case body
Shell relatively rotates, therefore, the front end of procapsid 3 be additionally provided with the rotation stop key 32 that extends radially out with connector shell
Circumferential rotation stop cooperation.
In the present embodiment, in order to avoid when optical fiber contact is dismantled from connector shell, the rear end of procapsid and company
The retaining spring in the optical fiber contact mounting hole on device shell is connect to occur to hook and can not take out the outer peripheral surface diameter of procapsid
Less than the outer peripheral surface diameter of back casing, when such back casing smoothly takes out, procapsid also can smoothly be taken out.
In the present embodiment, the front end face of ceramic contact pin 1 is in a certain angle with the section of the axis perpendicular to ceramic contact pin
Inclined-plane 10, angular range is preferred at 8 ° ± 0.5 °, as shown in figure 3, inclined-plane 10 is ellipse in the view in direction from left to right.
There are two the rotation stop convex keys 20 of 2 front end of installation set setting, the line of elliptical long axis and two rotation stop convex keys 20 where inclined-plane 10
It forms an angle, which is preferred with 30 ° ± 0.5 °.
The rear end of back casing 5 is also arranged with pressure welding case 6, specifically in connection, by the oversheath and aramid fiber of optical cable
Layer 7 etc. is clipped between pressure welding case 6 and the rear end outer peripheral surface of back casing 5, in order to guarantee that pressure welding case 6 can be by the oversheath jail of optical cable
Solid be pressed between pressure welding case 6 and back casing 5, back casing on outer peripheral surface corresponding with pressure welding case be equipped with non-slip groove 50.
In other embodiments, the outer peripheral surface of installation set can be set block convex block and match with the turn edge block of procapsid
It closes；Or installation set can be carried out by c-type snap ring in the installed in front c-type snap ring of installation set on the inner peripheral surface of procapsid
Block.Contact shell can be wholely set, at this point, pre-large post-small taper skirt, taper can be set in the periphery of installation set
Skirt has elastic shrinkage ability, and installation set is packed into connects from front to back after optical fiber passes through installation set and docks with ceramic contact pin
In contact element shell.Circumferential spline structure between installation set and procapsid is circumferential rotation stop to be realized by positive, such as pacify
Encapsulation outer peripheral surface be it is non-circular, the inner peripheral surface of procapsid is and installation set fit shapes.
For optical fiber contact used in optical fiber connector of the invention during grafting, ceramic contact pin is by grafting resistance
Meeting pushing installation set retreats and compressed spring, has in the contact shell being formed by connecting by procapsid and back casing for installation set
The mobile space of back-and-forth motion, installation set, which moves back, not will cause optical cable and moves back, and reduce the resistance being subject to when installation set moves back,
And then grafting resistance is reduced, it uses more convenient.
The embodiment of optical fiber contact of the invention: the optical fiber in the embodiment of its specific structure and above-mentioned optical fiber connector
The structure of contact is identical, and details are not described herein again.
Claims (7)
1. a kind of optical fiber contact, the contact shell and ceramic contact pin extended including front and back, characterized in that further include installation
In the intracorporal installation set of contact shell, ceramic contact pin is fixedly mounted in installation set, and the installation set also has for optical fiber from rear
The optical fiber perforation for advancing through and docking with ceramic contact pin, contact shell carry out block to installation set in a forward direction,
It is additionally provided in contact shell for providing the spring of forward elastic force to installation set, the rear end cap of contact shell, which is equipped with, to be used
In the pressure welding case being pressed on the tensile layer of optical cable on contact shell, the contact shell includes the procapsid of split settings
And back casing, forward and backward shell are connected through a screw thread, the pressure welding case is set on back casing, and the outer peripheral surface of the installation set is set
There is outer bulge loop, the front end of procapsid is equipped with turn edge, and contact shell passes through the cooperation realization pair of the block of turn edge and outer bulge loop
Block in installation set forward direction, installation set are equipped with rotation stop convex key in the front side of outer bulge loop, and turn edge is equipped with and rotation stop
The cooperation of convex key circumferential direction block, the axially directed rotation stop groove being slidably matched, installation set have in front of the outer bulge loop to extension
The front section of procapsid out, rotation stop convex key extend to front section, and the front end of installation set has for being inserted into ceramic contact pin
Aperture；Rotation stop convex key is equipped with the extended segment extended forward in the front side of procapsid turn edge front end face.
2. optical fiber contact according to claim 1, characterized in that the outer peripheral surface diameter of the procapsid is less than back casing
Outer peripheral surface diameter.
3. optical fiber contact according to claim 1, characterized in that the procapsid and back casing are equipped with high-precision and lead
To mating surface.
4. optical fiber contact according to claim 1, characterized in that be equipped with circumferential stop between the procapsid and installation set
Rotation structure.
5. according to optical fiber contact described in claim 2-4 any one, characterized in that set on the outer peripheral surface of the procapsid
There are antirotation keys.
6. optical fiber contact according to any one of claims 1-4, characterized in that the front end face of ceramic contact pin is and hangs down
The directly inclined-plane in a certain angle in the section of axis.
7. a kind of optical fiber connector, including connector shell and the optical fiber contact being mounted in connector case body, the light
Fine contact includes the contact shell and ceramic contact pin that front and back extends, characterized in that further includes being mounted on contact shell
Interior installation set, ceramic contact pin are fixedly mounted in installation set, the installation set also have passed through from back to front for optical fiber and with
The optical fiber perforation of ceramic contact pin docking, contact shell carries out block to installation set in a forward direction, in contact shell
It is additionally provided with for providing the spring of forward elastic force to installation set, the rear end cap of contact shell was equipped with for resisting optical cable
Layer is drawn to be pressed on the pressure welding case on contact shell, the contact shell includes the procapsid and back casing of split settings, preceding,
Back casing is connected through a screw thread, and the pressure welding case is set on back casing, and the outer peripheral surface of the installation set is equipped with outer bulge loop, front housing
The front end of body is equipped with turn edge, and contact shell is realized by the cooperation of the block of turn edge and outer bulge loop to the forward side of installation set
Upward block, installation set are equipped with rotation stop convex key in the front side of outer bulge loop, and turn edge is equipped with matches with rotation stop convex key circumferential direction block
It closes, the axially directed rotation stop groove being slidably matched, installation set has the leading portion for forward extending out procapsid in front of outer bulge loop
Part, rotation stop convex key extend to front section, and the front end of installation set has the aperture for being inserted into ceramic contact pin；Rotation stop convex key exists
The front side of procapsid turn edge front end face is equipped with the extended segment extended forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610787218.5A CN106383382B (en) | 2016-08-31 | 2016-08-31 | A kind of optical fiber contact and the connector using the optical fiber contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610787218.5A CN106383382B (en) | 2016-08-31 | 2016-08-31 | A kind of optical fiber contact and the connector using the optical fiber contact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106383382A CN106383382A (en) | 2017-02-08 |
| CN106383382B true CN106383382B (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610787218.5A Active CN106383382B (en) | 2016-08-31 | 2016-08-31 | A kind of optical fiber contact and the connector using the optical fiber contact |
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| Country | Link |
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| CN (1) | CN106383382B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107039727A (en) * | 2017-03-30 | 2017-08-11 | 中航光电科技股份有限公司 | Coaxial microband switching and the connector assembly using switching |
| CN106842437B (en) * | 2017-03-31 | 2019-07-26 | 中航光电科技股份有限公司 | A kind of APC type optical fiber connector and its optical fiber contact |
| CN109509998A (en) * | 2018-11-30 | 2019-03-22 | 中航光电科技股份有限公司 | A kind of mineral insulation cable-assembly of Belt connector |
| CN110488425B (en) * | 2019-07-12 | 2021-06-15 | 中航光电科技股份有限公司 | Tight sleeve optical fiber contact element |
| CN110515163B (en) * | 2019-07-12 | 2021-10-22 | 中航光电科技股份有限公司 | Adjustable core optical fiber contact |
| CN111308614A (en) * | 2019-11-25 | 2020-06-19 | 中航光电科技股份有限公司 | MPO optical cable assembly and MPO connector |
| CN110954996A (en) * | 2019-11-25 | 2020-04-03 | 中航光电科技股份有限公司 | MPO connector and optical cable assembly |
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| CN202522735U (en) * | 2011-12-31 | 2012-11-07 | 中航光电科技股份有限公司 | Anti-rotation fiber contact and fiber connector using anti-rotation fiber contact |
| CN202975394U (en) * | 2012-10-11 | 2013-06-05 | 深圳日海通讯技术股份有限公司 | Optical fiber connector |
| CN203688852U (en) * | 2013-12-17 | 2014-07-02 | 河北四方通信设备有限公司 | Ceramic ferrule for optic fiber connector |
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| US5375183A (en) * | 1993-05-25 | 1994-12-20 | The Whitaker Corporation | Overmolded alignment ferrule |
| CN2546899Y (en) * | 2001-11-15 | 2003-04-23 | 鸿富锦精密工业（深圳）有限公司 | Adjustable optical attenuator |
| CN100576001C (en) * | 2007-02-08 | 2009-12-30 | 中航光电科技股份有限公司 | A kind of rear jacket stationary type fiber optic cable connector contact member |
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| JPH08220381A (en) * | 1995-02-20 | 1996-08-30 | Honda Tsushin Kogyo Kk | Optical connector |
| CN202522735U (en) * | 2011-12-31 | 2012-11-07 | 中航光电科技股份有限公司 | Anti-rotation fiber contact and fiber connector using anti-rotation fiber contact |
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| Publication number | Publication date |
|---|---|
| CN106383382A (en) | 2017-02-08 |
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