CN106842437A - A kind of APC types joints of optical fibre and its optical fiber contact - Google Patents
A kind of APC types joints of optical fibre and its optical fiber contact Download PDFInfo
- Publication number
- CN106842437A CN106842437A CN201710217993.1A CN201710217993A CN106842437A CN 106842437 A CN106842437 A CN 106842437A CN 201710217993 A CN201710217993 A CN 201710217993A CN 106842437 A CN106842437 A CN 106842437A
- Authority
- CN
- China
- Prior art keywords
- rotation stop
- optical fiber
- contact
- connector shell
- plane
- 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
- G02B6/3826—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
- G02B6/383—Hermaphroditic connectors, i.e. two identical plugs mating with one another, each plug having both male and female diametrically opposed engaging parts
-
- 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
Abstract
The present invention relates to a kind of APC types joints of optical fibre and its optical fiber contact, the APC types joints of optical fibre include connector shell, optical fiber contact is provided with the contact cavity of connector shell, optical fiber contact includes that overcoat and rear end are provided with the optical fiber contact pins of contact pin flange, contact pin flange is oriented to the overcoat rotation stop coordinates along the longitudinal direction, spring is provided between contact pin flange and overcoat, the flange rotation stop fit structure coordinated with connector shell rotation stop is provided with contact pin flange, it is outer to put the anti-misloading rotation stop fit structure for being provided with and coordinating with the connector shell rotation stop.The invention provides a kind of optical fiber contact that can be realized and be used in the APC types joints of optical fibre and the APC type joints of optical fibre of the optical fiber contact with the anti-misloading of connector shell.
Description
Technical field
The present invention relates to a kind of APC types joints of optical fibre and its optical fiber contact.
Background technology
The joints of optical fibre have the types such as FC planes contact pin, PC spheres contact pin and APC inclined-planes contact pin by contact pin end surface shape point,
The return loss of wherein APC inclined-planes contact pin is big, goes for having and use in dust and wild environment.Existing APC types optical fiber
Connector " inclined-plane contact pin multi-fiber connector " as disclosed in Chinese patent CN203616506U, including connector shell and light
Fine contact, optical fiber contact includes that front end face is the optical fiber contact pins on inclined-plane, and contact pin flange, contact pin method are provided with optical fiber contact pins
The fluting coordinated with connector shell rotation stop is provided with orchid, is determined with the rotation stop matching relationship of connector shell by fluting
The incline direction on the inclined-plane of position optical fiber contact pins, during ensureing two joints of optical fibre to inserting, can accurately fit between inclined-plane.It is existing
This joints of optical fibre have problems in that：Fluting on contact pin flange is even distribution type structure, causes optical fiber contact to exist
It is assembled to when on connector shell, without anti-misloading function, does not there is angle not pair and wrongly installed.
The content of the invention
It is an object of the invention to provide a kind of APC type light that can realize optical fiber contact and the anti-misloading of connector shell
Fiber connector；The present invention also aims to provide the optical fiber contact used in a kind of APC type joints of optical fibre.
In order to solve the above problems, the technical scheme of the APC type joints of optical fibre is in the present invention：
The APC type joints of optical fibre, including connector shell, optical fiber contact is provided with the contact cavity of connector shell
Part, optical fiber contact includes that overcoat and rear end are provided with the optical fiber contact pins of contact pin flange, contact pin flange along the longitudinal direction with it is described
Overcoat rotation stop is oriented to and coordinates, and spring is provided between contact pin flange and overcoat, is provided with contact pin flange and stopped with connector shell
Turn the flange rotation stop fit structure for coordinating, the anti-misloading rotation stop cooperation for being provided with and coordinating with the connector shell rotation stop is put outward
Structure.
Anti- misloading rotation stop fit structure is arranged at the outer evagination key for putting including one or more, on connector shell
It is provided with for the evagination key indent keyway that upper adaptation loads along the longitudinal direction.
Flange rotation stop fit structure includes the cylindrical portion with rotation stop plane, and cylindrical portion is oriented to overcoat rotation stop and coordinates, connects
The front end of contact element mounting hole has the rotation stop hole section passed for cylindrical portion adaptation to realize coordinating with contact pin flange rotation stop.
Cylindrical portion is squashed structure, squashed structure outer peripheral face is by two rotation stop planes be arrangeding in parallel and is connected to
Two side compositions of rotation stop interplanar.
It is provided with two optical fiber contacts in connector shell, two optical fiber contacts or so arrangement, definition is vertical
It is the first datum level in the plane of fore-and-aft direction, the rotation stop plane is defined perpendicular to upper and lower perpendicular to first datum level
The plane in direction is the second datum level, and rotation stop plane is 30 ~ 45 degree with the angle of the second datum level.
The technical scheme of optical fiber contact is in the present invention：
The optical fiber contact of the APC type joints of optical fibre, part includes that overcoat and rear end are provided with the optical fiber contact pins of contact pin flange, contact pin
Flange is oriented to the overcoat coordinates along the longitudinal direction, and spring is provided between contact pin flange and overcoat, is set on contact pin flange
There is the flange rotation stop fit structure coordinated with connector shell rotation stop, put be provided with and connector shell rotation stop cooperation outward
Anti- misloading rotation stop fit structure.
Anti- misloading rotation stop fit structure is arranged at the outer evagination key for putting including one or more, on connector shell
It is provided with for the evagination key indent keyway that upper adaptation loads along the longitudinal direction.
Flange rotation stop fit structure includes the cylindrical portion with rotation stop plane, and cylindrical portion is oriented to overcoat rotation stop and coordinates.
Cylindrical portion is squashed structure, squashed structure outer peripheral face is by two rotation stop planes be arrangeding in parallel and is connected to
Two side compositions of rotation stop interplanar.
It is provided with two optical fiber contacts in connector shell, two optical fiber contacts or so arrangement, definition is vertical
It is the first datum level in the plane of fore-and-aft direction, the rotation stop plane is defined perpendicular to upper and lower perpendicular to first datum level
The plane in direction is the second datum level, and rotation stop plane is 30 ~ 45 degree with the angle of the second datum level.
Beneficial effects of the present invention are：When the joints of optical fibre are with joints of optical fibre docking is adapted in the present invention, optical fiber contact pins
Float backward, by the end face reliability of the spring end face for ensureing optical fiber contact pins and the adaptation optical fiber contact pins being adapted on the joints of optical fibre
Laminating, comes to provide rotation stop power for optical fiber contact pins to protect jointly by flange rotation stop fit structure and anti-misloading rotation stop fit structure
When two joints of optical fibre of card are docked, optical fiber contact pins will not enough occur rotating because of rotation stop power, it is ensured that two optical fiber of docking are inserted
The laminating angle of pin will not be separated, it is ensured that the stability of product insertion loss, while anti-misloading rotation stop fit structure can be with
The accuracy of setting angle when ensureing that optical fiber contact is installed.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment 1 of the APC type joints of optical fibre in the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the structural representation of optical fiber contact in Fig. 1；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the left view of Fig. 3；
Fig. 6 is the structural representation of contact pin flange in Fig. 3；
Fig. 7 is the left view of Fig. 6；
Fig. 8 is the stereogram of Fig. 6；
Fig. 9 is the structural representation of protheca in Fig. 3；
Figure 10 is the left view of Fig. 9；
Figure 11 is the stereogram of Fig. 9；
Figure 12 is the structural representation of rear enclosure in Fig. 3；
Figure 13 is the left view of Figure 12；
Figure 14 is the stereogram of Figure 12；
Figure 15 is the structural representation of plug inner housing in Fig. 1；
Figure 16 is the A-A of Figure 15 to sectional view；
Figure 17 is the rearview of Figure 15；
Figure 18 is the stereogram of Figure 15；
Figure 19 is the structural representation of fiber-optical socket in the present invention；
Figure 20 is the left view of Figure 19.
Specific embodiment
A kind of embodiment 1 of the APC types joints of optical fibre is as shown in Fig. 1 ~ 18：The joints of optical fibre in the present embodiment are optical fiber
Plug, including connector shell, connector shell include plug splines shell 1 and plug inner housing 3, on plug splines shell 1
Rotation is provided with the attachment cap 2 for coordinating with socket splines shell, and two axis are provided with plug inner housing 3 along front and back
To the contact cavity 4 for extending, two contact cavities 4 or so are arranged, light is provided with two contact cavities 4
Fine contact 8.Optical fiber contact 8 includes that overcoat and rear end are provided with the optical fiber contact pins 9 of contact pin flange 11, and overcoat sets including split
The protheca 13 and rear enclosure 18 put, the tail end of rear enclosure 18 are arranged with pressure welding case 20, can be crimped the aramid fiber 19 of optical cable when using
Between rear enclosure 18 and pressure welding case 20.Protheca 13 is threadedly coupled with rear enclosure 18, restricted protheca is set in rear enclosure 18 and is moved rearwards by
The rear enclosure block land 17 of the limit, sets crimping annular groove 16, in the complete spinning of protheca in rear enclosure in the front side of rear enclosure block land
After on to rear enclosure, can the protheca at crimping annular groove be carried out pressing treatment, realize the fixation between protheca, rear enclosure.Contact pin method
Blue 11 is multidiameter structure, and multidiameter structure includes the first paragraph 10 of order arrangement, second segment 12 and the 3rd section 14 from front to back,
Three sections are the column construction for extending along the longitudinal direction, wherein the 3rd section of 14 sectional dimensions are minimum, bullet are arranged with the 3rd section
Spring 15, the rear end of spring 15 is withstood in rear enclosure 18, and the sectional dimension of second segment 12 is maximum, between second segment 12 and first paragraph 10
Step surface is used to coordinate with protheca front end block to prevent contact pin flange from being deviate from by protheca front side.Wherein first paragraph 10 is by milling
The squashed structure for processing, the outer peripheral face of squashed structure is by two rotation stop planes 24 be arrangeding in parallel and is connected to two rotation stops
The side composition of interplanar, side is arcwall face in the present embodiment, and the front end of protheca is provided with before being adapted to the squashed structure
Set rotation stop hole 21, the front end of contact cavity 4 has the rotation stop hole section 27 being adapted to the squashed structure.Be provided with protheca with
The anti-misloading rotation stop fit structure that connector shell rotation stop coordinates, anti-misloading rotation stop fit structure includes an evagination key 22, connects
It is provided with the hole wall of contact element mounting hole for the indent keyway 26 that upper adaptation loads along the longitudinal direction of evagination key 22.Definition perpendicular to
The plane of fore-and-aft direction is the first datum level 35, and rotation stop plane 24 is defined perpendicular to upper and lower perpendicular to first datum level
To plane be the second datum level 36, the angle of rotation stop plane and the second datum level is 30 degree, the front end face 23 of optical fiber contact pins with
The angle of the first datum level is 8 degree.Figure middle term 4 represents locating detent, and locating detent is used to coordinate with block land rear end block, to limit
Optical fiber contact processed is moved backwards.
Encapsulating housing part 7 is provided with plug splines shell on front side of plug inside housing, in encapsulating housing part 7
Porcelain bushing is provided with, the front end of optical fiber contact pins extend into corresponding porcelain bushing after being stretched out by male component housing.Use
When adaptation the joints of optical fibre and fiber-optical socket on adaptation contact pin docked with this optical fiber contact pins in porcelain bushing, fiber-optical socket
Structure is as shown in Figure 19 ~ 20：Including socket splines shell 30 and the socket inner shell 31 being arranged in socket splines shell, insert
Adaptation optical fiber contact is provided with seat inner shell, the structure and above-mentioned optical fiber contact of optical fiber contact are adapted in the present embodiment
Part is identical, only when Optical fiber plug and fiber-optical socket are to inserting state, the rotation stop plane of two optical fiber contacts of docking
Angle is 120 degree.
In the present invention, because the area of the rotation stop plane of squashed structure is larger, and length of fit is long, thus can effectively with
Plug inside housing rotation stop coordinates, and prevents optical fiber contact from rotating, it is ensured that when Optical fiber plug, fiber-optical socket are to inserting, two light
Fit completely at oblique 8 degree of angles of fine contact pin, it is ensured that the stability of product insertion loss；Assembled in optical fiber contact and plug inner housing
When, the evagination key on protheca coordinates with the indent keyway rotation stop on plug inner housing, can prevent the misloading of optical fiber contact；It is flat
Shape structure and the second datum level can so reduce influencing each other between two optical fiber contacts into 30 degree angles, meet height
The use of density of optical fibers contact.In other embodiments of the invention：The angle of rotation stop plane and the second datum level can be with
It is other values between 45 degree or 30 ~ 45 degree；The number of optical fiber contact can also be configured as needed, such as one
Individual, three or other numbers；Optical fiber plug, fiber-optical socket can also be locked using other forms such as bayonet socket, latch hooks.
Claims (10)
- The 1.APC type joints of optical fibre, including connector shell, optical fiber contact is provided with the contact cavity of connector shell Part, it is characterised in that：Optical fiber contact includes that overcoat and rear end are provided with the optical fiber contact pins of contact pin flange, and contact pin flange is before and after Direction is oriented to the overcoat rotation stop and coordinates, and spring is provided between contact pin flange and overcoat, is provided with contact pin flange and connected The flange rotation stop fit structure of device housing rotation stop cooperation is connect, the mistake proofing for being provided with and coordinating with the connector shell rotation stop is put outward Dress rotation stop fit structure.
- 2. the APC types joints of optical fibre according to claim 1, it is characterised in that：Anti- misloading rotation stop fit structure includes one Individual or two or more is arranged at the outer evagination key for putting, and is provided with connector shell upper suitable along the longitudinal direction for the evagination key The indent keyway being fitted into.
- 3. the APC types joints of optical fibre according to claim 1 and 2, it is characterised in that：Flange rotation stop fit structure includes tool There is the cylindrical portion of rotation stop plane, cylindrical portion is oriented to overcoat rotation stop and coordinates, the front end of contact cavity has fits for cylindrical portion With the rotation stop hole section passed to realize coordinating with contact pin flange rotation stop.
- 4. the APC types joints of optical fibre according to claim 3, it is characterised in that：Cylindrical portion is squashed structure, squashed structure Outer peripheral face is by two rotation stop planes be arrangeding in parallel and is connected to the side of two rotation stop interplanars and constitutes.
- 5. the APC types joints of optical fibre according to claim 4, it is characterised in that：Two institutes are provided with connector shell State optical fiber contact, two optical fiber contacts or so arrangement, definition is the first datum level perpendicular to the plane of fore-and-aft direction, described Perpendicular to first datum level, definition is the second datum level perpendicular to the plane of above-below direction to rotation stop plane, rotation stop plane with The angle of the second datum level is 30 ~ 45 degree.
- The optical fiber contact of the 6.APC type joints of optical fibre, it is characterised in that：Part includes that overcoat and rear end are provided with contact pin flange Optical fiber contact pins, contact pin flange is oriented to the overcoat coordinates along the longitudinal direction, and spring is provided between contact pin flange and overcoat, is inserted The flange rotation stop fit structure coordinated with connector shell rotation stop is provided with skill of handling needles orchid, is put be provided with and the connector outward The anti-misloading rotation stop fit structure that housing rotation stop coordinates.
- 7. optical fiber contact according to claim 6, it is characterised in that：Anti- misloading rotation stop fit structure includes one or two Individual arrangement above is provided with for the evagination key upper adaptation loading along the longitudinal direction in the evagination key for putting outward on connector shell Indent keyway.
- 8. the optical fiber contact according to claim 6 or 7, it is characterised in that：Flange rotation stop fit structure includes having only Turn the cylindrical portion of plane, cylindrical portion is oriented to overcoat rotation stop and coordinates.
- 9. optical fiber contact according to claim 8, it is characterised in that：Cylindrical portion is squashed structure, outside squashed structure Side face is made up of two rotation stop planes be arrangeding in parallel with the side for being connected to two rotation stop interplanars.
- 10. optical fiber contact according to claim 9, it is characterised in that：Two light are provided with connector shell Fine contact, two optical fiber contacts or so arrangement, definition are the first datum level, the rotation stop perpendicular to the plane of fore-and-aft direction Plane is the second datum level, rotation stop plane and second perpendicular to the plane of above-below direction perpendicular to first datum level, definition The angle of datum level is 30 ~ 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710217993.1A CN106842437B (en) | 2017-03-31 | 2017-03-31 | A kind of APC type optical fiber connector and its optical fiber contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710217993.1A CN106842437B (en) | 2017-03-31 | 2017-03-31 | A kind of APC type optical fiber connector and its optical fiber contact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106842437A true CN106842437A (en) | 2017-06-13 |
| CN106842437B CN106842437B (en) | 2019-07-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710217993.1A Active CN106842437B (en) | 2017-03-31 | 2017-03-31 | A kind of APC type optical fiber connector and its optical fiber contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106842437B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143483A (en) * | 2017-06-28 | 2019-01-04 | 中航光电科技股份有限公司 | Integrating optical fiber connector and its plug casing, Socket casing, housing unit |
| CN109425941A (en) * | 2017-08-31 | 2019-03-05 | 中航光电科技股份有限公司 | Connector assembly and its pin connector, lock pin unit |
| CN110609360A (en) * | 2018-09-30 | 2019-12-24 | 中航光电科技股份有限公司 | Optical fiber connector and optical fiber contact element thereof |
| CN111025489A (en) * | 2019-12-13 | 2020-04-17 | 中航光电科技股份有限公司 | Optical fiber connection structure for radio frequency optical transmission link |
| CN113093346A (en) * | 2021-03-01 | 2021-07-09 | 华为技术有限公司 | Optical cable assembly and optical fiber connector |
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| US20130299076A1 (en) * | 2010-03-16 | 2013-11-14 | Ofs Fitel, Llc | Systems and techniques for improving insertion loss performance of multicore fiber connectors |
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| CN104503035A (en) * | 2014-12-18 | 2015-04-08 | 中航光电科技股份有限公司 | Screw-joint locking optical fiber connector assembly |
| CN106383382A (en) * | 2016-08-31 | 2017-02-08 | 中航光电科技股份有限公司 | Fiber contact piece and connector using fiber contact piece |
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| US20130299076A1 (en) * | 2010-03-16 | 2013-11-14 | Ofs Fitel, Llc | Systems and techniques for improving insertion loss performance of multicore fiber connectors |
| CN202013990U (en) * | 2010-12-27 | 2011-10-19 | 中航光电科技股份有限公司 | Misassemble preventing connector |
| CN104241933A (en) * | 2014-09-19 | 2014-12-24 | 中航光电科技股份有限公司 | Connector and contact keeping body thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143483A (en) * | 2017-06-28 | 2019-01-04 | 中航光电科技股份有限公司 | Integrating optical fiber connector and its plug casing, Socket casing, housing unit |
| CN109425941A (en) * | 2017-08-31 | 2019-03-05 | 中航光电科技股份有限公司 | Connector assembly and its pin connector, lock pin unit |
| US11143824B2 (en) | 2017-08-31 | 2021-10-12 | Avic Jonhon Optronic Technology Co., Ltd | Connector assembly, plug connector and core unit thereof |
| CN109425941B (en) * | 2017-08-31 | 2024-04-05 | 中航光电科技股份有限公司 | Connector assembly, plug connector and ferrule unit thereof |
| CN110609360A (en) * | 2018-09-30 | 2019-12-24 | 中航光电科技股份有限公司 | Optical fiber connector and optical fiber contact element thereof |
| CN111025489A (en) * | 2019-12-13 | 2020-04-17 | 中航光电科技股份有限公司 | Optical fiber connection structure for radio frequency optical transmission link |
| CN113093346A (en) * | 2021-03-01 | 2021-07-09 | 华为技术有限公司 | Optical cable assembly and optical fiber connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106842437B (en) | 2019-07-26 |
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