CN212391636U - Multi-core optical fiber connector adopting optical fiber array coupling - Google Patents
Multi-core optical fiber connector adopting optical fiber array coupling Download PDFInfo
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- CN212391636U CN212391636U CN202020990976.9U CN202020990976U CN212391636U CN 212391636 U CN212391636 U CN 212391636U CN 202020990976 U CN202020990976 U CN 202020990976U CN 212391636 U CN212391636 U CN 212391636U
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Abstract
The utility model relates to an optical fiber connector technical field is an adopt multicore optical fiber connector of fiber array coupling particularly, including fiber array and optic fibre, optic fibre passes through fiber array and connects its characterized in that: the bottom plate both sides that fiber array middle part was equipped with baffle, fiber array are equipped with first step face, and its advantage lies in: the bottom plate both sides of fiber array all are equipped with first step face and second step face, and first step face is used for placing the optic fibre cladding layer of wrapping up optic fibre, sets up the spacing groove on the second step face, because the spacing inslot only need place the optic fibre of having peeled off the optic fibre cladding layer, the width of spacing groove designs into unanimously with optic fibre from this, reaches the radial spacing of optic fibre level, prevents that optic fibre production level from squinting.
Description
Technical Field
The utility model relates to an optical fiber connector technical field is an adopt multicore optical fiber connector of fiber array coupling particularly.
Background
With the increasing number of the multi-core optical fiber connectors in on-board application scenes, the optical fiber connectors are required to be smaller in structure and simpler and more effective in structure. Currently, a common MPO connector is based on a connection scene outside the device, as shown in fig. 1, and has a large volume and a complex mechanism, and is not suitable for an onboard application scene.
Therefore need simplify fiber connector, now disclose and have a utility model patent: adopt the multicore fiber connector of fiber array coupling, patent application no: 2019212439037, the patent includes a ferrule and a fiber array, wherein the ferrule is connected with a cable connection section, and the cable connection section is led out from the end of the ferrule and coupled with the cable to be connected through the fiber array. The patent can solve the problems well, but the patent still has a plurality of defects: 1. grooves for placing optical fibers are fully distributed on a bottom plate of the optical fiber array, but the existing optical fibers are provided with fiber cores inside and optical fiber cladding layers outside the optical fibers, the diameter difference between the optical fiber cladding layers and the optical fibers wrapped in the optical fiber cladding layers is large, and the designed grooves are required to be filled with the optical fiber cladding layers, so that the width of the grooves is large relative to the diameter of the optical fibers, the optical fibers can generate horizontal radial deviation, and the optical fibers are dislocated when being butted, so that large loss can be generated; 2. the bottom plate and the cover plate of the optical fiber array are both a whole, and the middle part of the optical fiber array is not blocked, so the axial position of the optical fiber cannot be limited, and due to the step structure of the bottom plate and the cover plate, the optical fiber with a thin diameter can move to a step area with a large space, so that the radial position of the optical fiber in the vertical direction can be deviated, and therefore, an inclination angle can be generated during the butt joint of the optical fiber, and loss is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve two above-mentioned problems that exist among the prior art, provide an adopt the multicore fiber connector's of fiber array coupling design, improve on prior art's basis.
In order to achieve the above object, a multi-core fiber connector using fiber array coupling is designed, which includes a fiber array and fibers, wherein the fibers are connected by the fiber array, and the multi-core fiber connector is characterized in that: the middle of the optical fiber array is provided with a partition plate, and two sides of the bottom plate of the optical fiber array are provided with first step surfaces.
The optical fiber array comprises a bottom plate, a cover plate and a partition plate, wherein the top surface of the bottom plate is in a step shape, a groove is formed in the middle of the bottom plate and used for placing the partition plate, second step surfaces are arranged on two sides of the groove, a plurality of limiting grooves are formed in the second step surfaces, a first step surface is arranged on one side, away from the groove, of each second step surface, and the first step surface is lower than the second step surface; the bottom surface of the cover plate is in a step shape, a first step surface is arranged on one side of the cover plate, a second step surface is arranged on the other side of the cover plate, a plurality of limiting grooves are arranged on the second step surface of the cover plate, the first step surface of the cover plate is higher than the second step surface of the cover plate, a groove is arranged between the first step surface of the cover plate and the second step surface of the cover plate, and the groove is higher than the first step surface of the cover plate; the middle part of the partition board is provided with a spacer, and the bottom of the spacer is higher than that of the partition board.
Preferably, a boss is arranged on the second step surface of the bottom plate, and a boss matched with the boss on the second step surface of the bottom plate is arranged on the second step surface of the cover plate.
Preferably, a positioning groove is arranged on the second step surface of the bottom plate, and a groove corresponding to the positioning groove is arranged on the partition plate.
Preferably, the left side and the right side of the bottom plate are symmetrical, and the two cover plates are respectively matched with the left side or the right side of the bottom plate.
Preferably, the limiting groove is a V-shaped groove or a U-shaped groove.
Preferably, the width of the groove in the middle of the bottom plate is consistent with the width of the partition plate.
Preferably, the height of the spacer in the middle of the partition plate is lower than the top of the second step surface limiting groove of the bottom plate after the partition plate is connected with the bottom plate in a matched mode.
Compared with the prior art, the utility model, its advantage lies in:
1. the two sides of the bottom plate of the optical fiber array are respectively provided with a first step surface and a second step surface, the first step surface is used for placing an optical fiber cladding layer wrapping the optical fiber, the second step surface is provided with a limiting groove, and the optical fiber stripped of the optical fiber cladding layer only needs to be placed in the limiting groove, so that the width of the limiting groove is designed to be consistent with that of the optical fiber, the horizontal and radial limiting of the optical fiber is achieved, and the optical fiber is prevented from horizontally shifting;
2. the partition plate is designed in the middle of the optical fiber array, the partition plate is arranged in the middle of the partition plate, the optical fibers are inserted until the end faces of the optical fibers abut against the partition plate, the axial direction of the optical fibers can be limited, the optical fibers are always in a region closed by the second step faces of the bottom plate and the cover plate, and the optical fibers are prevented from vertically and radially deviating;
3. compared with the common optical fiber connector, the multi-core optical fiber connector adopting the optical fiber array coupling has the advantages of simpler structure and smaller volume.
Drawings
FIG. 1 is a schematic diagram of a prior art fiber optic connector;
FIG. 2 is an exploded view of the structure of the present invention;
FIG. 3 is an assembly view of the present invention;
fig. 4 is a schematic view of the optical fiber array substrate of the present invention;
fig. 5 is a schematic view of the optical fiber array cover plate of the present invention;
FIG. 6 is a schematic view of the fiber array spacer of the present invention;
in the figure: 1. the optical fiber module comprises a base plate 2, a cover plate 3, a partition plate 4, an optical fiber 5, a base plate second step surface 6, a base plate limiting groove 7, a base plate first step surface 8, a cover plate first step surface 9, a cover plate second step surface 10, a cover plate limiting groove 11, a base plate groove 12, a cover plate groove 13, a partition plate boss 15, a cover plate boss 16, a base plate limiting groove 17 and a partition plate groove.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and the structure and principle of the present invention will be clear to those skilled in the art. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows: referring to fig. 2 and 3, the utility model provides an adopt multicore fiber connector of fiber array coupling, including optic fibre and fiber array, optic fibre passes through fiber array butt joint coupling, fiber array include bottom plate, apron and baffle.
As shown in FIG. 4, the structure of the fiber array substrate of the present invention is a ladder structure, the middle portion of the substrate is provided with a groove for placing a partition, therefore, the width of the groove is consistent with that of the partition board, the two sides of the groove are provided with a second step surface of the bottom plate, the second step surface is provided with a limit groove, the limit groove can be a V-shaped groove or a U-shaped groove, or grooves with other shapes, the limiting groove is used for placing the optical fiber and is used for ensuring that the horizontal radial direction of the optical fiber does not generate deviation, the width of the limiting groove is substantially consistent with the diameter of the optical fiber, and the optical fiber is preferably arranged in the limiting groove by half of the optical fiber, and the other half of the optical fiber can be arranged in the limiting groove of the cover plate, so that the optical fiber can be completely clamped in a closed space enclosed by the limiting grooves of the base plate and the cover plate, and the radial position of the optical fiber can not deviate. Bosses are arranged at two ends of the second step surface of the bottom plate and are used for being matched with the bosses on the cover plate, the limit grooves of the cover plate and the bottom plate can be ensured to be in one-to-one correspondence, and the problem that the groove edges are inserted into the grooves is solved. The edges at the two ends of the second step face of the bottom plate are also provided with positioning grooves which are used for corresponding to the grooves in the partition plate, and the positioning grooves in the partition plate can be V-shaped grooves or U-shaped grooves or grooves with other suitable shapes. And a first bottom plate step surface is arranged on one side, away from the bottom plate groove, of the second bottom plate step surface and used for placing an optical fiber coating layer wrapping the optical fiber, and the first bottom plate step surface is lower than the second bottom plate step surface, so that a space formed by the first bottom plate step surface and the first cover plate step surface is larger than a space formed by the eighth second step surface and the second cover plate step surface.
As shown in fig. 5, the cover plate of the optical fiber array of the present invention has two cover plates, each cover plate is matched with the left side of the bottom plate or the right side of the bottom plate, because the left and right sides of the bottom plate are symmetrical and the middle part of the optical fiber array is provided with the partition plate. The bottom surface of the bottom plate is of a stepped structure, a first cover plate step surface and a second cover plate step surface are respectively arranged at two ends of the bottom plate, a limiting groove and a boss are arranged on the second cover plate step surface and respectively correspond to the limiting groove and the boss on the bottom plate, a groove is arranged between the first cover plate step surface and the second cover plate step surface, and the groove of the cover plate is higher than the first cover plate step surface and the second cover plate step surface.
As shown in fig. 5 the utility model discloses fiber array's baffle, the baffle both ends are equipped with the recess, the recess is used for cooperating the constant head tank on the bottom plate, the position of location baffle, the baffle middle part is equipped with the spacer, the width of spacer is the distance of two butt joint coupling's fiber end face, block the fiber core in order to prevent the spacer and cause the loss, can design the size of spacer, make fiber array after finishing installing, the spacer can block optic fibre, and not block fiber core, can be to open the hole that has the diameter to be less than optic fibre and be greater than fiber core on the spacer, perhaps the bottom of spacer is higher than fiber core's top and is less than the top of optic fibre, also can be the coating film on the.
Example two: the utility model discloses fiber connector's equipment step is as follows:
1. positioning the spacer by using a specific positioning rod, wherein the positioning rod penetrates through the positioning groove of the bottom plate and the groove on the spacer, so that the spacer is fixed on the bottom plate;
2. placing the block cover plate on the bottom plate, specifically matching a cover plate boss with a bottom plate boss;
3. the optical fiber is penetrated between the cover plate and the bottom plate, and the rear end optical fiber is bent to ensure that the end face of the optical fiber is abutted to the spacer;
4. the rear end optical fiber keeps bending, and the optical fiber is fixed in the limiting groove by adopting a glue dispensing or other fixing modes in the limiting groove area;
5. the same procedure is used for the other side to complete the fiber butt coupling.
Example three: the utility model discloses still have following optimal design: the end face of the optical fiber used for the butt joint of the connector needs to be processed by laser cutting or other processes with the same effect.
Claims (8)
1. The utility model provides an adopt multicore fiber connector of fiber array coupling, includes fiber array and optic fibre, and the optic fibre passes through fiber array and connects its characterized in that: the middle of the optical fiber array is provided with a partition plate, and two sides of the bottom plate of the optical fiber array are provided with first step surfaces.
2. A multi-fiber optical connector coupled by an array of optical fibers according to claim 1, wherein: the optical fiber array comprises a bottom plate, a cover plate and a partition plate,
the top surface of the bottom plate is in a step shape, the middle part of the bottom plate is provided with a groove, the groove is used for placing a partition plate, two sides of the groove are respectively provided with a second step surface, the second step surfaces are provided with a plurality of limiting grooves, one side of each second step surface, far away from the groove, is provided with a first step surface, and the first step surface is lower than the second step surface;
the bottom surface of the cover plate is in a step shape, a first step surface is arranged on one side of the cover plate, a second step surface is arranged on the other side of the cover plate, a plurality of limiting grooves are arranged on the second step surface of the cover plate, the first step surface of the cover plate is higher than the second step surface of the cover plate, a groove is arranged between the first step surface of the cover plate and the second step surface of the cover plate, and the groove is higher than the first step surface of the cover plate;
the middle part of the partition board is provided with a spacer, and the bottom of the spacer is higher than that of the partition board.
3. A multi-fiber optical connector coupled by an array of optical fibers according to claim 2, wherein: the second step surface of the bottom plate is provided with a boss, and the second step surface of the cover plate is provided with a boss matched with the boss on the second step surface of the bottom plate.
4. A multi-fiber optical connector coupled by an array of optical fibers according to claim 2, wherein: the second step surface of the bottom plate is provided with a positioning groove, and the partition plate is provided with a groove corresponding to the positioning groove of the second step surface of the bottom plate.
5. A multi-fiber optical connector coupled by an array of optical fibers according to claim 2, wherein: the left side and the right side of the bottom plate are symmetrical, and the two cover plates are respectively matched with the left side or the right side of the bottom plate.
6. A multi-fiber optical connector coupled by an array of optical fibers according to claim 2, wherein: the limiting groove is a V-shaped groove or a U-shaped groove.
7. A multi-fiber optical connector coupled by an array of optical fibers according to claim 2, wherein: the width of the groove in the middle of the bottom plate is consistent with that of the partition plate.
8. A multi-fiber optical connector coupled by an array of optical fibers according to claim 2, wherein: the height of the spacer in the middle of the partition plate is lower than the top of the second step surface limiting groove of the bottom plate after the partition plate is matched and connected with the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020990976.9U CN212391636U (en) | 2020-06-03 | 2020-06-03 | Multi-core optical fiber connector adopting optical fiber array coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020990976.9U CN212391636U (en) | 2020-06-03 | 2020-06-03 | Multi-core optical fiber connector adopting optical fiber array coupling |
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| Publication Number | Publication Date |
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| CN212391636U true CN212391636U (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020990976.9U Active CN212391636U (en) | 2020-06-03 | 2020-06-03 | Multi-core optical fiber connector adopting optical fiber array coupling |
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| Country | Link |
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| CN (1) | CN212391636U (en) |
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- 2020-06-03 CN CN202020990976.9U patent/CN212391636U/en active Active
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