CN110618495B - Optical fiber connector and inserting core component thereof - Google Patents
Optical fiber connector and inserting core component thereof Download PDFInfo
- Publication number
- CN110618495B CN110618495B CN201811571081.5A CN201811571081A CN110618495B CN 110618495 B CN110618495 B CN 110618495B CN 201811571081 A CN201811571081 A CN 201811571081A CN 110618495 B CN110618495 B CN 110618495B
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- butt joint
- optical fiber
- platform
- piece
- sides
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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
- G02B6/3818—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
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3834—Means for centering or aligning the light guide within the ferrule
- G02B6/3838—Means for centering or aligning the light guide within the ferrule using grooves for light guides
Abstract
The invention relates to an optical fiber connector and a ferrule component thereof, wherein the ferrule component comprises a butt joint platform used for being positioned and assembled on a shell of the optical fiber connector, a compression joint piece which is arranged at the butt joint side of the butt joint platform and is matched with the butt joint platform to compress and joint pre-buried optical fibers and external optical fibers, and a jacket piece which is sleeved outside the butt joint platform and the compression joint piece in a clamping way, wherein the jacket piece comprises two elastic clamping arms which are elastically clamped on the butt joint platform, and the two elastic clamping arms are arranged in a relatively shrinking way along the direction departing from the compression joint piece, so that the butt joint platform applies acting force which forces the jacket piece to drive the compression joint piece to move towards the compression direction to the jacket piece through the two elastic clamping arms. The pressing fit of the pressing block and the butt joint platform is realized by the clamping sleeve piece outside the butt joint platform and the pressing block, the structure of the whole inserting core component is simple, the assembly is simple, and the miniaturization development of the whole optical fiber connector is facilitated.
Description
Technical Field
The invention relates to an optical fiber connector and a ferrule component thereof.
Background
With the development of network technology, optical fiber connectors are increasingly used. The optical fiber connector is a device for realizing movable connection between optical fibers, and precisely butt-joints the end faces of two optical fibers to ensure that the light energy output by the transmitting optical fiber can be coupled into the receiving optical fiber to the maximum extent.
The field line-making optical fiber connector capable of carrying out optical fiber butt joint on the field exists in the field of optical fiber connectors, the field line-making optical fiber connector is provided with embedded optical fibers, external optical fibers are connected on the field, and high-precision butt joint of the external optical fibers and the embedded optical fibers is guaranteed. The structure of the optical fiber connector is disclosed in the patent document with TWM486068U, which comprises a box assembly for realizing on-site wire making, the box assembly comprises a box body and a box cover pressed on the box body, and a spring clamp clamped on the outer sides of the box body and the box cover, clamping pieces at two sides of the spring clamp are correspondingly pressed on the box body and the box cover, one side of the box body facing the box cover is provided with a concave structure, the concave structure is provided with a V-shaped groove element, the V-shaped groove element is provided with a V-shaped groove for placing embedded optical fibers and external optical fibers, a pressure pad structure is arranged between the box cover and the V-shaped groove element, when clamping is needed, the box cover is pressed by corresponding bolts, the box cover and the box body are separated by overcoming the action of the spring clamp, the external optical fibers are placed in the V-shaped grooves, then the box cover is removed and checked, under the action of the spring clamp, the embedded optical fibers and the external optical fibers are pressed in the V-shaped grooves by the pressure pad structure, and, in order to improve the optical performance of the butt joint, the optical fiber is generally coated with a corresponding matching fluid. The connector can realize on-site wiring, but the internal structure for realizing clamping and positioning by utilizing the spring clamp in the connector is complex, the assembly is complex, the size of the whole box body assembly is relatively large, the size of the whole connector is relatively large, and the miniaturization design development of the connector is not facilitated.
Disclosure of Invention
The invention aims to provide a ferrule component for an optical fiber connector, which aims to solve the technical problem that the assembly is complicated due to the complex integral structure of a compression part for realizing the butt joint of an external optical fiber and an embedded optical fiber in the optical fiber connector in the prior art; meanwhile, the invention also provides an optical fiber connector using the ferrule component.
In order to achieve the above object, the technical solution of the ferrule member for an optical fiber connector according to the present invention is: the utility model provides a lock pin part for fiber connector, is including being used for the butt joint platform of location assembly on fiber connector casing to and arrange the butt joint side at butt joint platform in order to compress tightly the crimping piece of the pre-buried optic fibre and the external optic fibre of butt joint with the butt joint platform cooperation, lock pin part still includes the clamp cover spare of clamp cover outside butt joint platform and crimping piece, and clamp cover spare includes the both sides elasticity arm lock of elasticity centre gripping on butt joint platform, and both sides elasticity arm lock is along deviating from the relative shrink of direction of crimping piece arranges to make butt joint platform apply the effort that to clamp cover spare through the elasticity arm lock of both sides and force clamp cover spare to press the piece and take the crimping piece to compress tightly the direction removal.
The crimping piece is a pressing block which is integrally formed with the clamping sleeve piece or fixedly assembled with the clamping sleeve piece in a split mode.
The butt joint platform comprises a butt joint section, the butt joint section is provided with a butt joint side face matched with the compression joint piece for use, an optical fiber positioning groove used for positioning and placing embedded optical fibers and external optical fibers is formed in the butt joint side face, lead sections located on two sides of the butt joint section are arranged on the butt joint platform in the extension direction of the optical fiber positioning groove, the lead sections on the two sides are respectively provided with an optical fiber lead-in hole corresponding to the optical fiber positioning groove, the lead sections on the two sides are arranged in a protruding mode relative to the butt joint side face of the butt joint section to form a groove structure on the butt joint platform, and the clamping piece is in stop assembly in the groove structure in the extension direction of the optical fiber positioning groove.
The crimping piece extends along the extending direction of the optical fiber positioning groove.
The butt joint section is provided with two side arc surfaces for the elastic clamping arms at the two sides to correspondingly clamp.
The technical scheme of the optical fiber connector using the ferrule component provided by the invention is as follows: an optical fiber connector comprises a connector shell, wherein a ferrule component is arranged on the connector shell, a front lead structure for leading in pre-buried optical fibers to the ferrule component is arranged on one side of the ferrule component of the connector shell, a rear lead structure for leading in the foreign optical fiber is arranged at the other side of the ferrule component, the ferrule component comprises a butt platform which is positioned and assembled on the connector shell, the ferrule component also comprises a jacket component which is sleeved outside the butt joint platform and the crimping component, the jacket component comprises two side elastic clamping arms which are elastically clamped on the butt joint platform, the two side elastic clamping arms are arranged along the direction deviating from the crimping component in a relatively shrinking way, so that the docking platform applies a force to the collet member through the elastic clamping arms, which forces the collet member to carry the crimping member towards the pressing direction.
The crimping piece is a pressing block which is integrally formed with the clamping sleeve piece or fixedly assembled with the clamping sleeve piece in a split mode. The briquetting moves with pressing from both sides the relative of jacket spare together, conveniently compresses tightly the operation.
The connector shell is provided with an avoidance notch which is used for enabling a person to use a corresponding tool to push the elastic clamping arms at two sides so as to drive the pressing block to move towards the direction far away from the butt joint platform through the clamping sleeve piece.
The butt joint platform comprises a butt joint section, the butt joint section is provided with a butt joint side face matched with the compression joint piece for use, an optical fiber positioning groove used for positioning and placing embedded optical fibers and external optical fibers is formed in the butt joint side face, lead sections located on two sides of the butt joint section are arranged on the butt joint platform in the extension direction of the optical fiber positioning groove, the lead sections on the two sides are respectively provided with an optical fiber lead-in hole corresponding to the optical fiber positioning groove, the lead sections on the two sides are arranged in a protruding mode relative to the butt joint side face of the butt joint section to form a groove structure on the butt joint platform, and the clamping piece is in stop assembly in the groove structure in the extension direction of the optical fiber positioning groove.
The butt joint section is provided with two side arc surfaces for the elastic clamping arms at the two sides to correspondingly clamp.
The invention has the beneficial effects that: in the optical fiber connector provided by the invention, the pressing block is in compression fit with the butting platform by utilizing the clamping sleeve part sleeved outside the butting platform and the pressing block, the whole ferrule part has a simple structure and is relatively simple to assemble, and the miniaturization development of the whole optical fiber connector is facilitated.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an optical fiber connector provided in the present invention;
FIG. 2 is a schematic view of the configuration of the core member of FIG. 1;
FIG. 3 is a schematic structural view of the spring clamping member pushed open by the tool;
FIG. 4 is a schematic structural view of the tool when the tool is away from the spring clamping member;
figure 5 is a field wiring schematic of the ferrule assembly of figure 2.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 5, the optical fiber connector in this embodiment includes a connector housing 1 extending in a front-back direction, a ferrule member 2 for performing on-site cabling is disposed on the connector housing, a front lead structure is disposed on one side of the ferrule member of the connector housing 1, the front lead structure is generally a ceramic ferrule for introducing a pre-embedded optical fiber 11 into the ferrule member 2, and a rear lead structure is disposed on the other side of the ferrule member of the connector housing and can also be a ceramic ferrule for introducing a corresponding external optical fiber 12, and the external optical fiber 12 is introduced into the ferrule member 2 to be butted with the pre-embedded optical fiber, so as to finally perform on-site cabling.
The ferrule member in this embodiment also has a corresponding docking platform 5 and a pressing member, which are the same as the ferrule member in the prior art, and the pressing member and the docking platform 5 cooperate to use a pressed pre-buried optical fiber and an external optical fiber. Different from the prior art, the ferrule component in the embodiment adopts the jacket piece 4 which is clamped and sleeved outside the butt joint platform and the crimping piece to press the crimping piece on the butt joint platform 5.
The clamping set here can be a spring clamp as disclosed in TWM486068U, the clamping set 4 includes a middle bottom wall 41 and two sides of elastic clamping arms 42, one end of each of the two sides of elastic clamping arms is integrally connected with the middle bottom wall 41, the other end forms an opening, the two sides of elastic clamping arms are elastically clamped on the docking platform, the clamping set 4 is clamped outside the docking platform and the crimping piece, the crimping piece is a pressing block 9 fixedly assembled on the middle bottom wall in a split manner, the pressing block extends along the extending direction of the optical fiber positioning slot 53 on the docking platform, the two sides of elastic clamping arms are relatively arranged in a shrinking manner along the direction departing from the crimping piece, so that the docking platform 5 applies an acting force to the clamping set 4 through the elastic clamping arms 42 to force the clamping set to carry the crimping piece to move towards the compressing direction.
For convenient assembly, the docking platform 5 here includes a docking section 51 in the middle and lead sections 52 on both sides, the docking section 51 has a docking side 54 for cooperating with the pressing block, the docking side 54 is provided with an optical fiber positioning groove 53 for positioning and placing the embedded optical fiber and the external optical fiber, the optical fiber positioning groove 53 here is specifically a C-shaped groove, of course, a V-shaped groove structure may also be adopted, and the lead sections 52 on both sides are respectively provided with an optical fiber lead-in hole 13 corresponding to the corresponding lead structure and the optical fiber positioning groove for leading in the corresponding optical fiber.
Moreover, the lead segments 52 on both sides are arranged in a protruding manner relative to the butt side of the butt joint segment to form a groove structure on the butt joint platform, and the clamp set 4 and the press block 9 can be conveniently positioned and assembled by using the groove structure.
In this embodiment, the section of the docking section 51 of the docking platform 5 perpendicular to the extending direction of the optical fiber positioning groove is semicircular, so that the docking section has two side arc surfaces for the two side elastic clamp arms to clamp correspondingly, the two side arc surfaces at this position can provide a larger pressing force applied to the pre-buried optical fiber 11 and the docking optical fiber 12 for the clamping sleeve, and the pressing effect is effectively ensured.
In addition, in order to facilitate the press-fitting of the external optical fiber, an avoidance gap 3 is arranged on the connector shell 1 corresponding to the butt joint section, so that a person can use a corresponding tool to push the elastic clamping arms at the two sides to drive the pressing block to move towards the direction far away from the butt joint platform through the clamping sleeve piece.
When the optical fiber pressing device is used, as shown in fig. 3, the elastic clamping arms 42 on the two sides are pushed by the tool 6, the clamping sleeve piece 4 drives the pressing block 9 to be separated from the butt joint side surface 54 of the butt joint platform 5, a gap exists between the pressing block and the butt joint platform, the external optical fiber 12 is inserted until the end surface of the external optical fiber is contacted with the corresponding end surface of the embedded optical fiber 11, at the moment, as shown in fig. 4, the tool 6 is removed, the pressing block 9 is pressed towards the butt joint platform 5 by the clamping sleeve piece 4 under the action of the elastic clamping arms 42 on the two sides, the butt joint platform is buckled with the pressing block, and the external optical fiber and the embedded optical fiber are pressed. Here, the external optical fiber and the pre-buried optical fiber are accurately aligned through the optical fiber positioning groove. And the matching fluid is arranged on the butt joint side surface, so that the optical performance of the butt joint point is improved. In the ferrule component in this embodiment, the pressing fit between the pressing block and the docking platform is realized by the clamping sleeve which is clamped outside the docking platform and the pressing block, the structure of the whole ferrule component is simple, the assembly is simple, and the miniaturization development of the whole optical fiber connector is facilitated.
In this embodiment, the crimping piece is the briquetting of the fixed assembly on pressing from both sides the cover spare of components of a whole that can function independently, in other embodiments, both can also direct integrated into one piece, of course, both can also components of a whole that can function independently assembly, and at this moment, can overturn the connector, make the briquetting fall and remove butt joint platform with gravity when the assembly can.
In this embodiment, the section of the docking platform is semicircular, and may be elliptical in other embodiments, as long as both sides thereof have arc surfaces for the elastic clamp arms at both sides to correspondingly clamp. In fact, the arc surface is not needed, and only the elastic clamping arms on the two sides are arranged in a relatively shrinking mode, so long as when the clamping platform is clamped on the butting platform, the butting platform can apply a pulling and pressing acting force for forcing the pressing block to press towards the butting platform through the clamping sleeve component to the pressing block.
The invention also provides an embodiment of the ferrule member for the optical fiber connector, and the structure of the ferrule member in the embodiment is the same as that of the ferrule member in the above embodiment of the optical fiber connector, and is not described herein again.
Claims (6)
1. The utility model provides a lock pin part for fiber connector, is including being used for the butt joint platform of location assembly on fiber connector casing to and arrange in the butt joint side of butt joint platform with compress tightly the pre-buried optic fibre of butt joint and the crimping piece of external optic fibre with the butt joint platform cooperation, its characterized in that: the butt joint platform comprises a butt joint section, the butt joint section is provided with a butt joint side face matched with the crimping piece for use, the butt joint side surface is provided with an optical fiber positioning groove for positioning and placing the embedded optical fiber and the external optical fiber, the ferrule component also comprises a jacket component which is jacketed outside the butt joint platform and the compression joint component, the jacket component comprises a middle bottom wall and two side elastic clamp arms which are elastically clamped on the butt joint platform, one end of each side elastic clamp arm is in transition connection with the middle bottom wall integrally, the other end of each side elastic clamp arm is turned outwards to form a flaring structure, the middle sections of the two side elastic clamp arms are arranged in a relatively shrinking way along the direction towards the compression joint component, the compression joint piece is a pressing block which is fixedly assembled on the middle bottom wall in an integrated or split way, the butt joint section is provided with two side arc surfaces for the elastic clamping arms at the two sides to correspondingly clamp, so that the docking platform applies a force to the clamping piece through the elastic clamping arms on the two sides to force the clamping piece to carry the crimping piece to move towards the pressing direction.
2. The ferrule member for an optical fiber connector according to claim 1, wherein: the butt joint platform is provided with lead sections positioned at two sides of the butt joint section in the extension direction of the optical fiber positioning groove, the lead sections at the two sides are respectively provided with optical fiber lead-in holes corresponding to the optical fiber positioning groove, the lead sections at the two sides are arranged in a protruding mode relative to the butt joint side face of the butt joint section so as to form a groove structure on the butt joint platform, and the clamping piece is assembled in the groove structure in a stopping mode in the extension direction of the optical fiber positioning groove.
3. The ferrule member for an optical fiber connector according to claim 2, wherein: the crimping piece extends along the extending direction of the optical fiber positioning groove.
4. The utility model provides an optical fiber connector, includes the connector housing, is equipped with the lock pin part on the connector housing, and the connector housing is equipped with the preceding pin configuration that introduces pre-buried optic fibre to the lock pin part in one side of lock pin part, is equipped with the back pin configuration that is used for introducing external optic fibre at the opposite side of lock pin part, the lock pin part is including the butt joint platform of location assembly on the connector housing to and arrange the butt joint side at butt joint platform in order to compress tightly the pre-buried optic fibre of butt joint and the crimping piece of external optic fibre with the butt joint platform cooperation, its characterized in that: the butt joint platform comprises a butt joint section, the butt joint section is provided with a butt joint side face matched with the crimping piece for use, the butt joint side surface is provided with an optical fiber positioning groove for positioning and placing the embedded optical fiber and the external optical fiber, the ferrule component also comprises a jacket component which is jacketed outside the butt joint platform and the compression joint component, the jacket component comprises a middle bottom wall and two side elastic clamp arms which are elastically clamped on the butt joint platform, one end of each side elastic clamp arm is in transition connection with the middle bottom wall integrally, the other end of each side elastic clamp arm is turned outwards to form a flaring structure, the middle sections of the two side elastic clamp arms are arranged in a relatively shrinking way along the direction towards the compression joint component, the compression joint piece is a pressing block which is fixedly assembled on the middle bottom wall in an integrated or split way, the butt joint section is provided with two side arc surfaces for the elastic clamping arms at the two sides to correspondingly clamp, so that the docking platform applies a force to the collet member through the elastic clamping arms, which forces the collet member to carry the crimping member towards the pressing direction.
5. The fiber optic connector of claim 4, wherein: the connector shell is provided with an avoidance notch which is used for enabling a person to use a corresponding tool to push the elastic clamping arms at two sides so as to drive the pressing block to move towards the direction far away from the butt joint platform through the clamping sleeve piece.
6. The optical fiber connector according to claim 4 or 5, wherein: the butt joint platform is provided with lead sections positioned at two sides of the butt joint section in the extension direction of the optical fiber positioning groove, the lead sections at the two sides are respectively provided with optical fiber lead-in holes corresponding to the optical fiber positioning groove, the lead sections at the two sides are arranged in a protruding mode relative to the butt joint side face of the butt joint section so as to form a groove structure on the butt joint platform, and the clamping piece is assembled in the groove structure in a stopping mode in the extension direction of the optical fiber positioning groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810702409 | 2018-06-30 | ||
| CN2018107024096 | 2018-06-30 |
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| Publication Number | Publication Date |
|---|---|
| CN110618495A CN110618495A (en) | 2019-12-27 |
| CN110618495B true CN110618495B (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811571081.5A Active CN110618495B (en) | 2018-06-30 | 2018-12-21 | Optical fiber connector and inserting core component thereof |
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| Country | Link |
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| CN (1) | CN110618495B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023169277A1 (en) * | 2022-03-11 | 2023-09-14 | 微创投资控股有限公司 | Optical fiber bundle fixation apparatus, laser catheter thereof, and optical fiber coupling system thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2758808B2 (en) * | 1993-05-28 | 1998-05-28 | 日本電気 株式会社 | Ferrule structure for optical fiber connector |
| CN102116912A (en) * | 2011-04-12 | 2011-07-06 | 中天宽带技术有限公司 | Optical fiber clamping and aligning device |
| CN102156331A (en) * | 2011-04-12 | 2011-08-17 | 中天宽带技术有限公司 | Fibre-embedded optical fibre fast connector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2901517B2 (en) * | 1995-06-09 | 1999-06-07 | 日本電気株式会社 | Multi-core optical fiber connector |
| JP3620121B2 (en) * | 1995-10-31 | 2005-02-16 | 住友電気工業株式会社 | Optical connector and assembly method |
-
2018
- 2018-12-21 CN CN201811571081.5A patent/CN110618495B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2758808B2 (en) * | 1993-05-28 | 1998-05-28 | 日本電気 株式会社 | Ferrule structure for optical fiber connector |
| CN102116912A (en) * | 2011-04-12 | 2011-07-06 | 中天宽带技术有限公司 | Optical fiber clamping and aligning device |
| CN102156331A (en) * | 2011-04-12 | 2011-08-17 | 中天宽带技术有限公司 | Fibre-embedded optical fibre fast connector |
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| CN110618495A (en) | 2019-12-27 |
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