CN216956441U - Multi-core optical fiber connector insert - Google Patents
Multi-core optical fiber connector insert Download PDFInfo
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- CN216956441U CN216956441U CN202220191118.7U CN202220191118U CN216956441U CN 216956441 U CN216956441 U CN 216956441U CN 202220191118 U CN202220191118 U CN 202220191118U CN 216956441 U CN216956441 U CN 216956441U
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Abstract
The utility model relates to a multi-core optical fiber connector insertion core, comprising: n rows of optical fiber lead-in units penetrate through the ferrule body, each row of optical fiber lead-in units is provided with m optical fiber holes, each row of optical fiber lead-in units are arranged in parallel, the distance between planes where the optical fiber lead-in units are located is 0.165 mm, and the diameter of each optical fiber hole is 0.08 mm; wherein n is more than or equal to 1, m is less than or equal to 24, and both n and m are integers; when n is equal to 1, the optical fiber lead-in units are positioned in the middle, and when n is equal to 2, the two rows of optical fiber lead-in units are symmetrically distributed; when n is greater than or equal to 3, n is increased in an odd number. The multi-core connector ferrule has a simple and reasonable structure, a single ferrule can further pass through multi-core fibers by reducing the diameter of the optical fiber hole, and ferrules in different rows can be compatible with each other, so that the expansibility and compatibility of the optical fiber connector ferrules are greatly improved.
Description
Technical Field
The utility model relates to the technical field of optical fiber connectors, in particular to a multi-core optical fiber connector insert.
Background
The multi-core optical fiber connector is a multi-core multi-channel plug-in connector, and is applied to the connection of the inside of optical transceiver equipment such as data centers, optical splitters and the like in high-density and narrow environments, and the insertion core of the multi-core optical fiber connector is a key device for determining the connection characteristic of the connector. The multi-core optical fiber connector ferrule is about as small as possible, the more the number of cores is, the more the space can be saved in the aspect of application, and the practicability is stronger.
The requirement of the optical fiber connector and the optical fiber core number of the optical fiber connector insertion core is higher and higher. At present, the optical fiber aperture of the multi-core optical fiber connector ferrule in the industry is 0.125 mm, the minimum optical fiber hole distance is 0.25 mm, and under the condition that the overall dimension of the conventional multi-core optical fiber connector ferrule is not changed, one row of optical fiber holes are 12 cores or 16 cores at most, and evolve along the development directions of 12 cores, 24 cores, 36 cores and 48 cores, or 16 cores and 32 cores, but the evolution space is limited, and the condition that the multi-core optical fiber connector ferrules with different numbers of cores are mutually incompatible exists, so that the updated product cannot be compatible with the previous generation product.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a multi-core fiber optic connector ferrule that addresses the above-mentioned problems.
In order to achieve the above object, the present invention provides a multi-core optical fiber connector ferrule, including:
the optical fiber inserting core comprises an inserting core body, wherein positioning holes are formed in two ends of the inserting core body in a penetrating mode, n rows of optical fiber leading-in units are arranged on the inserting core body in a penetrating mode, m optical fiber holes are formed in each row of optical fiber leading-in units, the optical fiber leading-in units are arranged in parallel, the distance between planes where the optical fiber leading-in units are located in each row is 0.165 mm, and the diameter of each optical fiber hole is 0.08 mm;
wherein n is more than or equal to 1, m is less than or equal to 24, and both n and m are integers;
when n is equal to 1, the optical fiber leading-in unit is positioned on a plane where the middle axes of the two positioning holes are positioned;
when n is equal to 2, the two optical fiber leading-in units are symmetrically distributed about a plane where the middle axes of the two positioning holes are located;
when n is larger than or equal to 3, n is increased in an odd number, and the optical fiber leading-in units are symmetrically distributed on a plane where the middle axes of the two positioning holes are located.
Preferably, the ferrule body is provided with an optical fiber slot, a guide block is arranged in the optical fiber slot, fool-proof bumps are arranged at two ends of the guide block, each fool-proof bump is provided with an inclined plane, and the width of each fool-proof bump gradually increases from top to bottom.
Preferably, the optical fiber hole comprises a leading-in section and a leading-out section, the length of the leading-in section is 1-3 mm, and the length of the leading-out section is 5-7 mm.
Preferably, the guide block is provided with a guide groove butted with the guide-in section.
Preferably, when the diameter of each positioning hole is 0.7 mm, the distance between the middle axes of the two positioning holes is 4.6 mm;
when the diameter of each positioning hole is 0.55 mm, the distance between the middle axes of the two positioning holes is 5.3 mm.
Preferably, when the diameter of the positioning hole is 0.7 mm, the optical fiber leading-in unit comprises 12-18 optical fiber holes;
when the diameter of the positioning hole is 0.55 mm, the optical fiber leading-in unit comprises 16-24 optical fiber holes.
One or more technical solutions of the forming apparatus provided by the embodiment of the present invention have at least one of the following technical effects: the multi-core connector ferrule has a simple and reasonable structure, a single ferrule can further pass through multi-core fibers by reducing the diameter of the optical fiber hole, and ferrules in different rows can be compatible with each other, so that the expansibility and compatibility of the optical fiber connector ferrules are greatly improved.
The utility model is further described with reference to the following figures and examples.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a ferrule of a multi-core optical fiber connector according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural diagram of a 24-core multi-core fiber connector ferrule provided in an embodiment of the present invention
Fig. 4 is a structural schematic diagram of a 36-core multi-core fiber connector ferrule provided by the embodiment of the utility model;
FIG. 5 is a schematic structural diagram of a 54-core multi-core fiber optic connector ferrule provided by an embodiment of the utility model;
FIG. 6 is a schematic structural diagram of a 72-core multi-core fiber optic connector ferrule provided by an embodiment of the utility model;
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will recognize without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In practical use, the optical fiber connector comprises a multi-core optical fiber connector ferrule provided in the embodiment of the utility model and another male ferrule, wherein the male ferrule is similarly provided with a plurality of rows of optical fiber lead-in units, and each row of optical fiber lead-in units has 12-24 optical fiber holes. When the male plug is inserted into the multi-core optical fiber connector plug core, the number of the optical fiber lead-in units and the number of the optical fiber holes on the male plug core can be different from the number of the optical fiber lead-in units and the number of the optical fiber holes on the multi-core optical fiber connector plug core, but the number of the optical fiber lead-in units and the number of the optical fiber holes on the multi-core optical fiber connector plug core are required to be more than the number of the optical fiber lead-in units and the number of the optical fiber holes on the male plug core, so that the optical fibers can be ensured to completely pass through the male plug core and the multi-core optical fiber connector plug core. Therefore, the multi-core optical fiber connector ferrule provided by the embodiment of the utility model can be provided with a plurality of optical fiber holes in one row by reducing the diameter of the optical fiber holes and a plurality of rows of optical fiber lead-in units, so that the mutual compatibility among the ferrules in different rows can be realized, and the expansibility and the compatibility of the optical fiber connector ferrule can be greatly improved.
As shown in fig. 1 to 6, an embodiment of the present invention provides a multi-core fiber connector ferrule, including: the optical fiber ferrule comprises a ferrule body 100, wherein n rows of optical fiber lead-in units 140 penetrate through the ferrule body, each row of optical fiber lead-in units is provided with m optical fiber holes 150, each row of optical fiber lead-in units 140 are arranged in parallel, the distance between planes where the optical fiber lead-in units are located is 0.165 mm, and the diameter of each optical fiber hole is 0.08 mm;
wherein n is more than or equal to 1, m is less than or equal to 24, and both n and m are integers;
when n is equal to 1, the optical fiber leading-in unit is positioned on a plane where the middle axes of the two positioning holes are positioned;
when n is equal to 2, the two optical fiber leading-in units are symmetrically distributed.
When n is greater than or equal to 3, n is increased in an odd number.
Aiming at the specific structure of the optical fiber leading-in unit, the multi-core optical fiber connector ferrule has at least two rows of optical fiber leading-in units. In addition, when the row number of the optical fiber leading-in units in the multi-core optical fiber connector ferrule is more than or equal to 3, the row number of the optical fiber leading-in units is increased in an odd number and is at most 11 rows. That is, the number of rows of the optical fiber introduction units is increased by 3, 5, 7, 9, and 11.
When n is equal to 1, the optical fiber leading-in unit is positioned on a plane where the middle axes of the two positioning holes are positioned;
when n is equal to 2, the two optical fiber leading-in units are symmetrically distributed about a plane where the middle axes of the two positioning holes are located;
and when n is more than or equal to 3, the optical fiber leading-in units are symmetrically distributed about a plane where the middle axes of the two positioning holes are located.
According to the specific structure of the optical fiber holes, the number of the optical fiber holes of each row of the optical fiber leading-in units is at most 24, and at least 1.
The multi-core connector ferrule has a simple and reasonable structure, a single ferrule can pass through a multi-core fiber by reducing the diameter of the fiber hole 150, and ferrules with different rows of numbers can be compatible with each other, so that the expansibility and compatibility of the fiber connector ferrules are greatly improved.
As shown in fig. 1 to 6, the ferrule body 100 is provided with an optical fiber slot 110, a guide block 120 is disposed in the optical fiber slot, fool-proof bumps 130 are disposed at two ends of the guide block, each fool-proof bump has an inclined plane 131, and the width of each fool-proof bump gradually increases from top to bottom.
Specifically, the ferrule body 100 is provided with a dispensing slot 160. The glue dispensing groove 160 is located right above the fool-proof bump 130.
In order to smoothly position and insert the male plug into the optical fiber slot 110, the fool-proof protrusions 130 are disposed at two ends of the guiding block 120, so that the male plug can be inserted into the optical fiber slot 110 at a correct position.
As shown in fig. 1 to 6, the optical fiber hole 150 includes a lead-in section 151 and a lead-out section 152, the lead-in section 151 has a length of 1 to 3 mm, and the lead-out section 152 has a length of 5 to 7 mm.
Specifically, the length of the lead-in section 151 is 2 mm, and the length of the lead-out section 152 is 6 mm.
As shown in fig. 1 to 6, the guide block 120 is provided with a guide groove 121 that abuts against the guide-in section 151.
Specifically, in order to smoothly enter the optical fiber into the optical fiber hole 150, the guide groove 121 is provided to guide the optical fiber into the optical fiber hole 150.
As shown in fig. 1 to 6, positioning holes 170 are formed through both ends of the ferrule body 100;
when the diameter of the positioning holes 170 is 0.7 mm, the distance between the middle axes of the two positioning holes 170 is 4.6 mm;
when the diameter of the positioning holes 170 is 0.55 mm, the distance between the middle axes of the two positioning holes 170 is 5.3 mm.
As shown in fig. 4, one row of the fiber lead-in units 140 has 12 fiber holes 150, and there are three rows of the fiber lead-in units 140, that is, 36-core fibers can pass through, which is a 36-core fiber connector ferrule, and less fibers than 36 cores are all suitable for the fiber connector ferrule in this schematic diagram.
As shown in fig. 5, one row of fiber lead-in units 140 has 18 fiber holes 150, and three rows of fiber lead-in units 140 are provided, that is, 54-core fibers can pass through, which is a 54-core fiber connector ferrule, and fewer fibers than 54 cores are suitable for the fiber connector ferrule in this schematic diagram.
As shown in fig. 6, one row of the fiber lead-in units 140 has 24 fiber holes 150, and three rows of the fiber lead-in units 140 are provided, that is, 72-core fibers can pass through, which is a 72-core fiber connector ferrule, and fewer fibers than 72 cores are suitable for the fiber connector ferrule in this schematic diagram.
The foregoing is merely a preferred embodiment of the utility model and is not intended to limit the utility model in any manner. Those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, all equivalent changes made according to the shape, structure and principle of the present invention without departing from the technical scheme of the present invention shall be covered by the protection scope of the present invention.
Claims (5)
1. A multi-core fiber optic connector ferrule, comprising:
the optical fiber inserting device comprises an inserting core body, wherein positioning holes are arranged at two ends of the inserting core body in a penetrating mode, n rows of optical fiber introducing units are arranged on the inserting core body in a penetrating mode, m optical fiber holes are formed in each row of optical fiber introducing units, the optical fiber introducing units are arranged in parallel, the distance between planes where the optical fiber introducing units are located is 0.165 mm, and the diameter of each optical fiber hole is 0.08 mm;
wherein n is more than or equal to 1, m is less than or equal to 24, and both n and m are integers;
when n is equal to 1, the optical fiber leading-in unit is positioned on a plane where the middle axes of the two positioning holes are positioned;
when n is equal to 2, the two optical fiber leading-in units are symmetrically distributed about a plane where the middle axes of the two positioning holes are located;
when n is larger than or equal to 3, n is increased in an odd number, and the optical fiber leading-in units are symmetrically distributed on a plane where the middle axes of the two positioning holes are located.
2. The multi-core fiber connector ferrule according to claim 1, wherein the ferrule body defines an optical fiber slot, a guide block is disposed in the optical fiber slot, two ends of the guide block are respectively provided with a fool-proof protrusion, the fool-proof protrusion has an inclined plane, and the width of the fool-proof protrusion gradually increases from top to bottom.
3. The multi-core optical fiber connector ferrule according to claim 2, wherein the optical fiber hole comprises an introduction section and a penetration section, the length of the introduction section is 1-3 mm, and the length of the penetration section is 5-7 mm.
4. The multi-fiber connector ferrule of claim 3 wherein the guide block is provided with a guide slot that interfaces with the lead-in section.
5. The multi-fiber connector ferrule of claim 1 wherein when the diameter of the alignment holes is 0.7 mm, the distance between the medial axes of the alignment holes is 4.6 mm;
when the diameter of each positioning hole is 0.55 mm, the distance between the middle axes of the two positioning holes is 5.3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220191118.7U CN216956441U (en) | 2022-01-21 | 2022-01-21 | Multi-core optical fiber connector insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220191118.7U CN216956441U (en) | 2022-01-21 | 2022-01-21 | Multi-core optical fiber connector insert |
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| Publication Number | Publication Date |
|---|---|
| CN216956441U true CN216956441U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220191118.7U Active CN216956441U (en) | 2022-01-21 | 2022-01-21 | Multi-core optical fiber connector insert |
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| CN (1) | CN216956441U (en) |
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