CN112415671A - Ferrule assembly, connector, multi-core optical fiber and optical fiber interface structure - Google Patents
Ferrule assembly, connector, multi-core optical fiber and optical fiber interface structure Download PDFInfo
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- CN112415671A CN112415671A CN202011483913.5A CN202011483913A CN112415671A CN 112415671 A CN112415671 A CN 112415671A CN 202011483913 A CN202011483913 A CN 202011483913A CN 112415671 A CN112415671 A CN 112415671A
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- Prior art keywords
- positioning
- ferrule
- optical fiber
- core
- tail
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Classifications
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- 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
-
- 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
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3885—Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type
Abstract
The embodiment of the application discloses a ferrule assembly, a connector, a multi-core fiber and a fiber interface structure, which comprise a tail handle, a ferrule, a first positioning part and a multi-core fiber; the inserting core is fixedly arranged at one end of the tail handle; the first positioning part is fixedly arranged on the tail handle; a second positioning part is formed at one end of the tail handle far away from the inserting core; the multi-core optical fiber comprises a cladding, at least two fiber cores arranged in the cladding and a second fixing part; the fiber core sequentially penetrates through the tail handle and the inserting core; the second positioning part is in rotation-stopping fit with the second fixing part, and the fixing part is in rotation-stopping fit with the first positioning part, so that the circumferential position of the multi-core optical fiber in the optical fiber adapter is fixed. The ferrule assembly, the connector, the multi-core fiber and the optical fiber interface structure can effectively realize circumferential position fixation of the multi-core fiber in the optical fiber adapter.
Description
Technical Field
The application relates to the field of optical communication, in particular to a ferrule assembly, a connector, a multi-core optical fiber and an optical fiber interface structure.
Background
Multi-Core Fiber (Multi Core Fiber) is an optical Fiber with a plurality of Fiber cores in a common cladding region, and has the characteristics of multiple physical channels, low crosstalk index among the Fiber cores, good attenuation consistency of each Fiber Core and the like due to the fact that the integration density of a unit area of a transmission line can be improved, so that the Multi-Core Fiber is more and more widely applied to an ultra-large-capacity optical Fiber communication system, a novel large-capacity Multi-service access network, a distributed optical Fiber sensing system and medical equipment.
Different from the situation that the fiber cores of the single-core optical fibers are arranged at the central position, as the plurality of fiber cores of the multi-core optical fibers surround the periphery of the center of the multi-core optical fibers along the circumferential direction, when two sections of multi-core optical fibers are connected, a connector with the multi-core optical fibers is usually configured at two ends of an optical fiber adapter respectively, and the fiber cores of the array are set at a preset array position in a high-precision rotation alignment mode, namely, around the axial direction of the multi-core optical fibers, so that the fiber cores of the two sections of multi-core optical fibers are aligned with each other to realize the smoothness of each channel; therefore, achieving circumferential positioning of the multi-core fiber is critical to signal transmission of each channel of the multi-core fiber.
Disclosure of Invention
In view of the above, embodiments of the present application are intended to provide a ferrule assembly, a connector, a multi-core fiber, and a fiber interface structure, so as to solve the problem of circumferential positioning of the multi-core fiber.
In order to achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:
a ferrule assembly of a connector is used for being matched with an optical fiber adapter, the optical fiber adapter comprises a body and a fixing part, and the ferrule assembly comprises a tail handle, a ferrule, a first positioning part and a multi-core optical fiber; the inserting core is fixedly arranged at one end of the tail handle; the first positioning part is fixedly arranged on the tail handle; a second positioning part is formed at one end of the tail handle far away from the inserting core; the multi-core optical fiber comprises a cladding, at least two fiber cores arranged in the cladding and a second fixing part; the fiber core sequentially penetrates through the tail handle and the inserting core; the second positioning part is in rotation-stopping fit with the second fixing part, and the fixing part is in rotation-stopping fit with the first positioning part, so that the circumferential position of the multi-core optical fiber in the optical fiber adapter is fixed.
Further, the second positioning part is a groove, and the second positioning part extends from one end, far away from the ferrule, of the tail handle to one end, close to the ferrule, of the tail handle; the second fixing portion is a protrusion that is disposed on the cladding and extends in the axial direction of the multicore fiber.
Furthermore, the first positioning portion is a positioning column or a positioning hole.
Further, when the first positioning part is a positioning column, a taper section is arranged at one end, away from the tail handle, of the first positioning part; when the first positioning part is a positioning hole, the inlet end of the first positioning part is provided with a horn mouth.
A connector comprises a shell component and the ferrule component; the shell assembly comprises a containing space which is communicated with the front and the back; the tail handle is accommodated in the accommodating space.
Furthermore, the shell assembly comprises a shell, a rear sleeve, a tail sleeve and an elastic piece, the shell and the rear sleeve are nested to form the accommodating space which is communicated from front to back, and one end, far away from the tail handle, of the insertion core protrudes out of the accommodating space; the elastic piece is arranged in the accommodating space, one end of the elastic piece is abutted against the rear sleeve, and the other end of the elastic piece is abutted against the tail handle; the tail sleeve is nested on one end of the rear sleeve far away from the shell.
Furthermore, the first positioning portion is a positioning column, a protruding block is formed on the tail handle in a radially outward protruding mode, an axial mounting hole is formed in the protruding block in the axial direction of the tail handle, and the first positioning portion is inserted into the mounting hole.
Further, the first positioning portion is a positioning column, and a recess portion for avoiding the first positioning portion is formed on a wall surface of the accommodating space.
An optical fiber interface structure comprises an optical fiber adapter and the connector; the optical fiber adapter comprises a body and a fixing part; a sub-mounting hole is formed in the body and is connected with the shell component in an inserting mode.
Further, the fiber optic adapter includes a support and a sleeve; an axially through channel is formed in the body; the supporting part is supported in the channel and divides the channel into at least two sub-mounting holes for being plugged with the shell assembly; the sleeve is hollow and is arranged along the axial direction of the channel, the sleeve is fixedly arranged on the supporting part and communicated with the two sub-mounting holes, and one end of the ferrule is inserted in the sleeve; the fixing portion is disposed on the body or the support portion.
A multi-core optical fiber comprises a cladding, at least two fiber cores arranged in the cladding and at least one second fixing part, wherein the second fixing part can be in rotation stop fit with the second positioning part of the ferrule assembly.
The ferrule assembly, the connector and the optical fiber interface structure of the connector in the embodiment of the application are in rotation stopping fit with the second fixing part through the second positioning part, so that a plurality of fiber cores in the cladding can be circumferentially positioned with the tail handle; through setting up fixed part and the cooperation of splining of first locating part, restriction caudal peduncle takes place the rotation in optical fiber adapter with the lock pin from this, directly carry out the circumference location through caudal peduncle and optical fiber adapter, the process of carrying out many times circumference location through middle parts such as shell among the prior art has been reduced in the middle of, circumference positioning accuracy is high, effectual realization multicore optic fibre and the caudal peduncle of connector, and optical fiber adapter carry out circumference rigidity in proper order, it is unobstructed to ensure the transmission path between the multistage multicore optic fibre.
Drawings
Fig. 1 is a schematic structural diagram of a ferrule assembly according to an embodiment of the present application;
FIG. 2 is an enlarged view of portion D of FIG. 1;
FIG. 3 is a schematic structural diagram of a multi-core optical fiber according to an embodiment of the present application; wherein, the plastic outer layer, the cladding and the second fixing part are partially stripped, and the fiber core is simplified into a bundle;
FIG. 4 is an enlarged view of E of FIG. 3;
FIG. 5 is a schematic structural diagram of a connector according to an embodiment of the present application;
FIG. 6 is an exploded schematic view of the connector of FIG. 5;
FIG. 7 is a schematic diagram of a fiber optic interface configuration according to an embodiment of the present application, wherein the connector is separate from the fiber optic adapter;
FIG. 8 is a cross-sectional schematic view of a fiber optic interface configuration according to an embodiment of the present application, wherein a connector is mated with a fiber optic adapter;
FIG. 9 is a schematic structural diagram of a fiber optic adapter according to an embodiment of the present application;
fig. 10 is a view a-a of fig. 9.
Detailed Description
It should be noted that, in the case of conflict, the technical features in the examples and examples of the present application may be combined with each other, and the detailed description in the specific embodiments should be interpreted as an explanation of the present application and should not be construed as an improper limitation of the present application.
In the description of the embodiments of the present application, the "up", "down", "left", "right", "front", "back" orientation or positional relationship is based on the orientation or positional relationship shown in fig. 1, it is to be understood that these orientation terms are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present application.
As shown in fig. 1 to 9, a ferrule assembly of a connector includes a tail handle 21, a ferrule 22, a first positioning portion 23, and a multicore fiber 9. The ferrule assembly 2 is adapted to mate with a fiber optic adapter 8 (mentioned below).
The multicore fiber 9 includes a cladding 92, at least two cores 91 provided in the cladding 92, and a second fixing portion 94. The core 91 may be a glass core. In general, the cores 91 may be arranged in a four-core rectangular configuration or a seven-core circular configuration depending on the number of cores. Taking a seven-core example, the plurality of cores 91 may be arranged in a polar array, including a central core 91a, and other cores 91b, 91c, 91d, etc. satellite-wise around the central core, and the radial distances of the other cores 91b, 91c, 91d to the central core 91a may be generally set equal for design convenience. In addition, the multi-core optical fiber 9 further includes a plastic sheath 93 wrapped around the cladding 92 to provide protection.
The inserting core 22 is fixedly arranged at one end of the tail handle 21; a second positioning portion 24 is formed on one end of the tail handle 21 away from the ferrule 22. A plurality of fiber cores 91 sequentially penetrate through the tail handle 21 and the inserting core 22; the circumferential positions of the tail 21 and the core 22 relative to the core 91 are fixed, and when the tail 21 rotates around the axis 21a, the circumferential positions of the core 22 and the cores 91 relative to the axis 21a are changed. It can be understood that, usually, the plastic sheath 93 of the multi-core optical fiber 9 is not inserted into the tail handle 21 and the ferrule 22, and the cladding 92 stripped of the plastic sheath 93 is inserted into the tail handle 21 and the ferrule 22 together with the core 91 until the core 91 is flush with the end of the ferrule 22 far from the tail handle 21.
The second positioning portion 24 is in rotation stop fit with the second fixing portion 94; so that the cladding 92 and the tail handle 21 can be circumferentially positioned, and further the plurality of fiber cores 91 in the cladding 92 and the tail handle 21 can be circumferentially positioned, when the tail handle 21 circumferentially rotates, the fiber cores 91 are driven to circumferentially rotate together, and when the tail handle 21 circumferentially positions, the circumferential positions of the fiber cores 91 are also fixed; the first positioning part 23 is fixedly arranged on the tail handle 21; the fixing portion 84 (mentioned below) of the optical fiber adapter 8 (mentioned below) is in rotation-stopping fit with the first positioning portion 23, so that the tail handle 21 and the ferrule 22 are limited to rotate circumferentially in the optical fiber adapter 8, circumferential positioning is directly performed through the tail handle 21 and the optical fiber adapter 8, the process of performing multiple circumferential positioning through middle portions such as a shell in the prior art is reduced, and circumferential positioning accuracy is high.
Therefore, the second positioning part 24 is in rotation-stopping fit with the second fixing part 94, and the fixing part 84 is in rotation-stopping fit with the first positioning part 23, so that the multicore fibers, the tail handle of the connector and the fiber adapter are sequentially fixed in circumferential positions, and smooth transmission channels among the multicore fibers 9 are ensured.
The ferrule 22 can be made of ceramic, plastic, or metal depending on the process and the nature of the material; the tail handle 21 may also be made of ceramic, plastic or metal. The ferrule 22 and the tail handle 21 may be integrally formed, or may be connected by welding or gluing.
The first positioning portion 23 and the fixing portion 84 can be made of ceramic, plastic or metal. The first positioning portion 23 is one of a positioning post and a positioning hole; correspondingly, the fixing portion 84 is the other of the positioning post and the positioning hole. When the first positioning part 23 is a positioning column, one end of the first positioning part 23 far away from the tail handle 21 is provided with a taper section; when the first positioning portion 23 is a positioning hole, the inlet end of the first positioning portion 23 is provided with a bell mouth; so that the insertion fit of the first positioning portion 23 and the fixing portion 84 has a guiding function to prevent the insertion deviation.
1-4, the second positioning portion 24 is a groove, and the second positioning portion 24 extends from one end of the tail handle 21 far away from the ferrule 22 to one end of the tail handle 21 close to the ferrule 22; the second fixing portion 94 is a protrusion provided on the cladding 92 and extending in the axial direction of the multicore fiber 9. Of course, the second positioning portion 24 can also be a protrusion, and the second fixing portion 94 can also be a groove matched with the protrusion. The two key grooves are matched to realize the rotation stopping in the circumferential direction.
The second fixing portion 94 may be integrally connected to the covering 92, that is, directly formed on the covering 92 by molding or other casting methods, so that the connection strength is good.
There is further provided a connector for mating with a fiber optic adapter 8, as shown in fig. 1-10, the connector comprising a housing assembly 71 and a ferrule assembly 2; the housing assembly 71 includes an accommodation space 711 penetrating in the front and rear direction; the tail lever 21 is accommodated in an accommodation space 711 (mentioned below) of the fiber optic adapter 8; the housing assembly 71 can be inserted into a sub-mounting hole 811a (mentioned below) of the fiber adapter 8 to realize the butt joint of two sections of multicore fibers. The circumferential direction of the accommodation space 711 can be closed, so that the multi-core optical fiber is sealed in the contact process, and dust is prevented.
In one possible embodiment, as shown in fig. 5 and 6, the shell assembly 71 includes an outer shell 712, a rear sleeve 713, a tail sleeve 714, and a spring 715. The housing 712 can be a casing with a through hole, the rear sleeve 713 can be a cylinder with a through hole, the housing 712 and the rear sleeve 713 are fixed in a clamping manner, and the housing 712 and the rear sleeve 713 are nested to form a containing space 711 which is through from front to back, so that the ferrule assembly 2 can be conveniently contained.
It is understood that the structural design is various, and therefore, the components in the ferrule assembly 2 are not necessarily all in the accommodating space 711, and only need to be fixed in the accommodating space 711 by providing the tail handle 21, and the rest of the components are directly or indirectly fixed with the tail handle 21.
An end of the ferrule 22 remote from the tail lever 21 protrudes from the accommodating space 711, and an end of the ferrule 22 remote from the rear housing 713 protrudes from the housing 712, so that the end of the ferrule 22 remote from the tail lever 21 is inserted into a sleeve 83 (mentioned below) of the fiber optic adapter 8. The ferrules 22 of the ferrule assemblies 2 of the two connectors 7 can be inserted from both sides of the sleeve 83, respectively, to achieve mating, and the sleeve 83 provides functions of sealing, protection, guiding, and the like.
The elastic member 715 may be a spring. The elastic piece 715 is arranged in the accommodating space 711, one end of the elastic piece 715 is abutted against the rear sleeve 713, and the other end of the elastic piece 715 is abutted against the tail handle 21; a tail sleeve 714 is nested on an end of the rear sleeve 713 distal from the housing 712. The elastic member 715 provides a force to the ferrule 22 through the tail handle 21, and when the ferrules 22 of the ferrule assemblies 2 of the two connectors 7 are inserted from both sides of the sleeve 83, respectively, the elastic member 715 changes volume so that the two ferrules 22 do not come into hard contact, and the force of the elastic member 715 is relied on to make the two ferrules 22 abut tightly.
In one possible embodiment, as shown in fig. 1 to 6, the first positioning portion 23 is a positioning post, the tail stem 21 is formed with a protrusion 2121 protruding radially outward, the protrusion 2121 is formed with a mounting hole 2122 along an axial direction of the tail stem 21, and the first positioning portion 23 is inserted into the mounting hole 2122, so as to facilitate the processing of the first positioning portion 23 and ensure high dimensional accuracy, so as to facilitate the hole-axis matching of the fixing portion 84 of the optical fiber adapter 8.
In one possible embodiment, as shown in fig. 5 and 6, the first positioning portion 23 is a positioning column, and a relief portion 716 avoiding the first positioning portion 23 is formed on a wall surface of the accommodating space 711. Specifically, the receding portion 716 may be formed by recessing the outer shell 712, or by perforating the rear cover 713, as long as interference with the first positioning portion 23 is prevented.
In one possible embodiment, as shown in fig. 1 to 10, the outer side of the casing 712 includes a resilient clip 7121, and the body 81 is formed with an axial limiting hole (not shown) matching with the resilient clip 7121 to limit the axial displacement between the casing 712 and the body 81.
There is further provided a multicore optical fiber, as shown in fig. 1 to 4, the multicore optical fiber 9 includes a cladding 92, at least two cores 91 disposed in the cladding 92, and at least one second fixing section 94. The second fixing portion 94 can be engaged with the second positioning portion 24 of the ferrule assembly 2 in a rotation-stopping manner; so that the cladding 92 can be circumferentially positioned with the tail shank 21 and so that the plurality of cores 91 in the cladding 92 can be circumferentially positioned with the tail shank 21.
There is further provided a fiber optic interface structure, as shown in fig. 1 to 10, including a fiber optic adapter 8 and the connector 7.
The fiber adapter 8 includes a body 81 and a fixing portion 84; a sub-mounting hole 811a is formed in the body 81, and the sub-mounting hole 811a can be fixed to the housing assembly 71 by insertion.
Specifically, the fiber optic adapter 8 may include a body 81, a support 82, a sleeve 83, and a fixing portion 84. Wherein, the sleeve 83 can be made of ceramics.
A channel 811 which is axially through is formed in the body 81; the supporting portion 82 is supported in the channel 811 and partitions the channel 811 into at least two sub-mounting holes 811a for insertion with the shell assembly 71; the sleeve 83 is hollow and disposed along the axial direction of the passage 811, and the sleeve 83 is fixed to the supporting portion 82 and communicates with the two sub-mounting holes 811 a.
One end of the insertion core 22 far away from the tail handle 21 can be inserted into the sleeve 83; the fixing portion 84 is provided on the body 81 or the support portion 82;
the fixing portion 84 can be in rotation-stopping fit with the first positioning portion 23, so that circumferential movement of the first positioning portion 23 is limited, circumferential rotation of the tail handle 21 and the ferrule 22 in the optical fiber adapter 8 is further limited, circumferential positioning is directly performed on the tail handle 21 and the optical fiber adapter 8, the process of performing multiple circumferential positioning through the shell in the middle is reduced, and circumferential positioning accuracy is high.
One possible embodiment, as shown in fig. 9 and 10, the fixing portions 84 are provided on the supporting portion 82 in the axial direction of the passage 811, and both ends of the fixing portions 84 extend into the two sub-mounting holes 811a, respectively, so that one fixing portion 84 can be fitted with the first positioning portions 23 of the ferrule assemblies 2 of the two connectors 7, respectively, so that the ferrule assemblies 2 at both ends have good circumferential accuracy.
The various embodiments/implementations provided herein may be combined with each other without contradiction.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (11)
1. Ferrule assembly of a connector for mating with a fiber optic adapter comprising a body (81) and a fixing portion (84), characterized in that,
the ferrule assembly (2) comprises a tail handle (21), a ferrule (22), a first positioning part (23) and a multi-core optical fiber (9); the inserting core (22) is fixedly arranged at one end of the tail handle (21); the first positioning part (23) is fixedly arranged on the tail handle (21); a second positioning part (24) is formed on one end of the tail handle (21) far away from the ferrule (22); the multicore fiber (9) includes a cladding (92), at least two cores (91) disposed in the cladding (92), and a second fixing section (94); the fiber core (91) sequentially penetrates through the tail handle (21) and the inserting core (22);
the second positioning part (24) is in rotation-stopping fit with the second fixing part (94), and the fixing part (84) is in rotation-stopping fit with the first positioning part (23), so that the multi-core optical fiber (9) is fixed at the circumferential position in the optical fiber adapter.
2. The ferrule assembly according to claim 1, wherein the second positioning portion (24) is a groove, the second positioning portion (24) extending from an end of the tail stem (21) distal from the ferrule (22) to an end of the tail stem (21) proximal to the ferrule (22);
the second fixing portion (94) is a protrusion that is provided on the cladding (92) and extends in the axial direction of the multicore fiber (9).
3. The ferrule assembly of claim 1, wherein the first positioning portion (23) is a positioning post or a positioning hole.
4. The ferrule assembly according to claim 3, wherein when the first positioning portion (23) is a positioning column, a taper section is arranged at one end of the first positioning portion (23) far away from the tail handle (21);
when the first positioning part (23) is a positioning hole, a horn mouth is arranged at the inlet end of the first positioning part (23).
5. A connector, characterized in that it comprises a housing assembly (71) and a ferrule assembly (2) according to any one of claims 1 to 4;
the shell assembly (71) comprises a containing space (711) which penetrates through the front and the back; the tail handle (21) is accommodated in the accommodation space (711).
6. The connector according to claim 5, wherein the housing assembly (71) comprises a housing (712), a rear sleeve (713), a tail sleeve (714) and an elastic member (715), the housing (712) is nested with the rear sleeve (713) to form the accommodating space (711) which is through from front to back, and one end of the ferrule (22) far away from the tail handle (21) protrudes out of the accommodating space (711);
the elastic piece (715) is arranged in the accommodating space (711), one end of the elastic piece (715) is abutted against the rear sleeve (713), and the other end of the elastic piece (715) is abutted against the tail handle (21); the tail sleeve (714) is nested on an end of the rear sleeve (713) away from the shell (712).
7. The connector according to claim 6, wherein the first positioning portion (23) is a positioning post, the tail shank (21) is formed with a projection (2121) projecting radially outward, the projection (2121) is formed with a mounting hole (2122) along an axial direction of the tail shank (21), and the first positioning portion (23) is inserted into the mounting hole (2122).
8. The connector according to claim 5, wherein the first positioning portion (23) is a positioning post, and a relief portion (716) for avoiding the first positioning portion (23) is formed on a wall surface of the housing space (711).
9. A fiber optic interface structure comprising a fiber optic adapter (8) and a connector according to any one of claims 5 to 8; the optical fiber adapter (8) comprises a body (81) and a fixing part (84); a sub-mounting hole (811a) is formed in the body (81), and the sub-mounting hole (811a) is inserted into the shell component (71).
10. The fiber optic interface structure of claim 9, wherein the fiber optic adapter (8) includes a support (82) and a sleeve (83); an axially through channel (811) is formed in the body (81); the supporting part (82) is supported in the channel (811) and divides the channel (811) into at least two sub-mounting holes (811a) for plugging with the shell component (71);
the sleeve (83) is hollow and is arranged along the axial direction of the channel (811), the sleeve (83) is fixedly arranged on the supporting part (82) and is communicated with the two sub-mounting holes (811a), and one end of the ferrule (22) is inserted into the sleeve (83);
the fixing portion (84) is provided on the body (81) or the support portion (82).
11. A multicore optical fiber, characterized in that the multicore optical fiber (9) comprises a cladding (92), at least two cores (91) arranged within the cladding (92), and at least one second fixing portion (94), the second fixing portion (94) being capable of spline-fitting with the second positioning portion (24) of the ferrule assembly according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011483913.5A CN112415671A (en) | 2020-12-15 | 2020-12-15 | Ferrule assembly, connector, multi-core optical fiber and optical fiber interface structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011483913.5A CN112415671A (en) | 2020-12-15 | 2020-12-15 | Ferrule assembly, connector, multi-core optical fiber and optical fiber interface structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112415671A true CN112415671A (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011483913.5A Pending CN112415671A (en) | 2020-12-15 | 2020-12-15 | Ferrule assembly, connector, multi-core optical fiber and optical fiber interface structure |
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| CN (1) | CN112415671A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004077603A (en) * | 2002-08-12 | 2004-03-11 | Furukawa Electric Co Ltd:The | Mechanism for positioning clamp and stopper of optical connector, positioning method and pliers for caulking used for positioning |
| JP2014126849A (en) * | 2012-12-27 | 2014-07-07 | Auto Network Gijutsu Kenkyusho:Kk | Manufacturing method for lensed ferrule, lensed ferrule, and optical connector |
| US10509178B1 (en) * | 2018-08-31 | 2019-12-17 | Corning Research & Development Corporation | Fiber optic adapter assemblies including a selectively lockable adapter member |
| CN111308615A (en) * | 2020-02-19 | 2020-06-19 | 华为技术有限公司 | Optical fiber connector plug, optical fiber adapter and optical fiber connector |
-
2020
- 2020-12-15 CN CN202011483913.5A patent/CN112415671A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004077603A (en) * | 2002-08-12 | 2004-03-11 | Furukawa Electric Co Ltd:The | Mechanism for positioning clamp and stopper of optical connector, positioning method and pliers for caulking used for positioning |
| JP2014126849A (en) * | 2012-12-27 | 2014-07-07 | Auto Network Gijutsu Kenkyusho:Kk | Manufacturing method for lensed ferrule, lensed ferrule, and optical connector |
| US10509178B1 (en) * | 2018-08-31 | 2019-12-17 | Corning Research & Development Corporation | Fiber optic adapter assemblies including a selectively lockable adapter member |
| CN111308615A (en) * | 2020-02-19 | 2020-06-19 | 华为技术有限公司 | Optical fiber connector plug, optical fiber adapter and optical fiber connector |
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Application publication date: 20210226 |