CN111834797A - Angle-adjustable FC connector assembly and assembling method thereof - Google Patents

Angle-adjustable FC connector assembly and assembling method thereof Download PDF

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Publication number
CN111834797A
CN111834797A CN202010685667.5A CN202010685667A CN111834797A CN 111834797 A CN111834797 A CN 111834797A CN 202010685667 A CN202010685667 A CN 202010685667A CN 111834797 A CN111834797 A CN 111834797A
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China
Prior art keywords
sleeve
optical fiber
ferrule
angle
maintaining optical
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CN202010685667.5A
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CN111834797B (en
Inventor
张祥波
黄望隆
李民强
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Wuhan Yilut Technology Co ltd
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Wuhan Yilut Technology Co ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

The invention relates to an angle-adjustable FC connector assembly and an assembly method thereof, wherein the assembly comprises an outer cutting sleeve, a core insert, a middle connecting assembly, a tail sleeve, a protective sleeve and a polarization-maintaining optical fiber, the polarization-maintaining optical fiber is arranged in the protective sleeve in a penetrating manner, one end of the protective sleeve extends into the tail sleeve from one end of the tail sleeve far away from the middle connecting assembly and is connected with one end of the core insert after penetrating through the middle connecting assembly, the other end of the core insert extends into the outer cutting sleeve, the outer cutting sleeve is clamped with the other end of the middle connecting assembly and can rotate relative to the middle connecting assembly, and a positioning key is arranged on the surface of the outer cutting. According to the invention, the angle between the positioning key on the outer clamping sleeve and the panda eye of the polarization maintaining optical fiber is adjusted by adjusting the relative rotation of the outer clamping sleeve and the middle connecting assembly, so that the angle error is small, the extinction ratio is ensured to meet the requirement, the performance of the FC connector is ensured, the structure is simple, the problems of low efficiency and incapability of completely protecting the optical fiber by the protective sleeve when the FC connector is assembled by the polarization maintaining optical fiber are solved, and the service life is prolonged.

Description

Angle-adjustable FC connector assembly and assembling method thereof
Technical Field
The invention relates to the technical field of optical fiber communication, in particular to an angle-adjustable FC connector assembly and an assembling method thereof.
Background
With the rapid development of optical communication technology, polarization maintaining optical fibers are widely used in various fields of national economy, such as aerospace, aviation, navigation, industrial manufacturing technology, communication and the like.
In an actual application scene, most of the polarized light is transmitted by the polarization-maintaining optical fiber and is connected with the FC connector, the extinction ratio is the most important performance index of the polarization-maintaining optical fiber, in order to obtain the maximum extinction ratio, a panda eye of the polarization-maintaining optical fiber needs to form a specific angle (0 degrees or 90 degrees) with a positioning key of the FC connector, and the smaller the error of the angle is, the better the extinction ratio index is.
In the prior art, in order to form a specific angle between a panda eye of a polarization maintaining optical fiber and a positioning key, the following steps are adopted: penetrating the polarization maintaining optical fiber into the protective sleeve, cutting the end face, and penetrating into the SC ferrule, wherein the polarization maintaining optical fiber is in a movable state in the protective sleeve and the SC ferrule; the SC ferrule penetrates into a front sleeve of the FC connector assembly and is fixed on a customized jig, the angle is adjusted by rotating the polarization maintaining optical fiber with the tail end exposed out of the protective sleeve to enable a panda eye of the polarization maintaining optical fiber and a positioning key to form a specific angle, and glue is injected into the tail end of the SC ferrule to fix the protective sleeve and the polarization maintaining optical fiber.
The prior art has two problems:
1. the tail end of the connector must leave over 10CM of bare fiber for spinning the fiber;
2. the overall length of the connector is limited.
Disclosure of Invention
The present invention is directed to provide an angle-adjustable FC connector assembly and an assembling method thereof.
The technical scheme for solving the technical problems is as follows: an angle-adjustable FC connector component comprises a middle outer ferrule with a hollow inner part and two through ends, a ferrule, a middle connecting component with a hollow inner part and two through ends, a tail sleeve with a hollow inner part and two through ends, a protective sleeve and a polarization maintaining optical fiber, wherein the tail sleeve is arranged at one end of the middle connecting component, the polarization maintaining optical fiber is arranged in the protective sleeve in a penetrating way, one end of the protective sleeve extends into the tail sleeve from one end of the tail sleeve, which is far away from the middle connecting component, and is connected with one end of the ferrule after penetrating through the middle connecting component, the other end of the ferrule extends into the outer ferrule and extends out from one end of the outer ferrule, which is far away from the middle connecting component, the outer ferrule is clamped with the other end of the middle connecting component, the outer ferrule and the middle connecting component can rotate relatively, and a positioning key is arranged on the surface of the outer ferrule, and the outer clamping sleeve and the middle connecting assembly are adjusted to rotate relatively so as to adjust the angle between the positioning key on the outer clamping sleeve and the panda eye of the polarization maintaining optical fiber.
The invention has the beneficial effects that: according to the angle-adjustable FC connector assembly, the angle between the positioning key on the outer clamping sleeve and the panda eye of the polarization maintaining optical fiber is adjusted by adjusting the relative rotation of the outer clamping sleeve and the middle connecting assembly, the angle error is small, the extinction ratio is ensured to meet the requirement, the performance of the FC connector is ensured, the structure is simple, the problems that the efficiency is low when the FC connector is assembled by the polarization maintaining optical fiber, and the optical fiber cannot be completely protected by the protective sleeve are solved, and the service life is prolonged.
On the basis of the technical scheme, the invention can be further improved as follows:
further: middle part coupling assembling includes nut, inside cavity and the interior cutting ferrule, spring and the back cover that both ends link up, protective case's one end is passed pass in proper order behind the tail cover back cover, spring and interior cutting ferrule, and with the one end of lock pin is connected, outer cutting ferrule cover is located the other end of lock pin, the spring sets up in the back cover, interior cutting ferrule with the back cover one end threaded connection who is close to each other, just the spring is close to the one end of interior cutting ferrule with interior cutting ferrule butt, interior cutting ferrule with mutual joint between the one end that outer cutting ferrule is close to each other, the nut cover is located interior cutting ferrule with the joint department of outer cutting ferrule.
The beneficial effects of the further scheme are as follows: through interior cutting ferrule with back cover threaded connection is fixed, readjust the angle of outer cutting ferrule, will finally outer cutting ferrule with interior cutting ferrule joint can realize like this the navigation key on the outer cutting ferrule with angle accurate control between the panda eye of polarization maintaining fiber is favorable to improving the extinction ratio of FC connector to improve the performance of product.
Further: the outer edge of one end of the inner clamping sleeve, which is close to the outer clamping sleeve, is provided with an annular chamfer.
The beneficial effects of the further scheme are as follows: through inciting somebody to action interior cutting ferrule is close to the annular chamfer is set up to the one end outward flange of outer cutting ferrule, can outer cutting ferrule with it is more convenient during interior cutting ferrule joint to do not influence the stability of the two joint.
Further: and one ends of the inner clamping sleeve and the outer clamping sleeve, which are close to each other, are in interference fit.
The beneficial effects of the further scheme are as follows: through will interior cutting ferrule and outer cutting ferrule interference fit between the one end that is close to each other can make the two cooperation more firm, avoids the two to appear relative rotation or the circumstances such as dystopy after the joint, guarantees that the angle between the panda eye of outer cutting ferrule and polarization maintaining fiber does not change.
Further: the inner cutting sleeve is made of stainless steel, and the outer cutting sleeve is made of brass with nickel plated on the surface.
Further: the protective sleeve and the polarization maintaining optical fiber are fixed through glue under the illumination condition.
The beneficial effects of the further scheme are as follows: the protective sleeve and the polarization-maintaining optical fiber are fixed through glue under the condition of illumination, so that the protective sleeve and the polarization-maintaining optical fiber are relatively fixed, and the situation that the sheet optical fiber rotates or is ectopic in the protective sleeve is avoided, and the angle between the positioning key on the outer clamping sleeve and the panda eye of the polarization-maintaining optical fiber is changed.
The invention also provides an assembling method of the angle-adjustable FC connector assembly, which comprises the following steps:
step 1, sleeving a protective sleeve on the surface of a polarization maintaining optical fiber;
step 2: one end of the protective sleeve sequentially penetrates through the tail sleeve, the rear sleeve, the spring, the inner clamping sleeve and the screw cap and then is connected with one end of the inserting core;
and step 3: connecting one end of the inner cutting sleeve, which is close to the rear sleeve, with a screw thread, so that the spring is positioned in the rear sleeve, and one end of the spring, which is close to the inner cutting sleeve, is abutted against the inner cutting sleeve;
and 4, step 4: sleeving the outer ferrule on the other end of the ferrule, and rotating the outer ferrule under a microscope to enable an angle between a positioning key on the outer ferrule and a panda eye of the polarization maintaining optical fiber to be a preset target angle;
and 5: keeping the outer clamping sleeve not to rotate, and clamping the outer clamping sleeve with the inner clamping sleeve, so that two ends of the ferrule are respectively positioned in the inner clamping sleeve and the outer clamping sleeve, and the screw cap is positioned at the clamping position of the inner clamping sleeve and the outer clamping sleeve.
According to the assembling method of the angle-adjustable FC connector assembly, the inner cutting sleeve and the rear sleeve are connected through the threads at one end close to each other, the angle between the positioning key on the outer cutting sleeve and the panda eye of the polarization maintaining optical fiber is adjusted, and finally the outer cutting sleeve is clamped with the inner cutting sleeve, so that the angle between the positioning key on the outer cutting sleeve and the panda eye of the polarization maintaining optical fiber can be kept at a preset target angle, the angle error is small, extinction is ensured to meet the requirement, the performance of the FC connector is ensured, the structure is simple, the problems that the efficiency is low when the polarization maintaining optical fiber FC connector is assembled, and the protective sleeve cannot completely protect the optical fiber are solved, and the service life is prolonged.
On the basis of the technical scheme, the invention can be further improved as follows:
further: and dripping glue into the protective sleeve, and illuminating to solidify the protective sleeve and the polarization maintaining optical fiber.
The beneficial effects of the further scheme are as follows: the protective sleeve and the polarization-maintaining optical fiber are fixed through glue under the condition of illumination, so that the protective sleeve and the polarization-maintaining optical fiber are relatively fixed, and the situation that the sheet optical fiber rotates or is ectopic in the protective sleeve is avoided, and the angle between the positioning key on the outer clamping sleeve and the panda eye of the polarization-maintaining optical fiber is changed.
Drawings
FIG. 1 is a schematic diagram of the overall construction of an adjustable angle FC connector assembly of the present invention;
FIG. 2 is a schematic exploded view of the adjustable angle FC connector assembly of the present invention;
FIG. 3 is a schematic cross-sectional view of an adjustable angle FC connector assembly of the present invention;
FIG. 4 is a flow chart illustrating a method of assembling the angle adjustable FC connector assembly of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. outer cutting ferrule, 2, lock pin, 3, nut, 4, inner cutting ferrule, 5, spring, 6, back cover, 7, tail cover, 8, polarization maintaining fiber, 9, protective case, 11, positioning key.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, an angle-adjustable FC connector assembly includes a middle outer ferrule 1 with a hollow interior and two through ends, a ferrule 2, a middle connecting assembly with a hollow interior and two through ends, a tail sleeve 7 with a hollow interior and two through ends, a protective sleeve 9 and a polarization-maintaining fiber 8, wherein the tail sleeve 7 is disposed at one end of the middle connecting assembly, the polarization-maintaining fiber 8 is inserted into the protective sleeve 9, and one end of the protective sleeve 9 extends into the tail sleeve 7 from one end of the tail sleeve 7 away from the middle connecting assembly and is connected with one end of the ferrule 2 after passing through the middle connecting assembly, the other end of the ferrule 2 extends into the outer ferrule 1 and extends out from one end of the outer ferrule 1 away from the middle connecting assembly, the outer ferrule 1 is clamped with the other end of the middle connecting assembly, and the outer ferrule 1 and the middle portion are rotatable relatively, the surface of the outer cutting sleeve 1 is provided with a positioning key 11, and the outer cutting sleeve 1 and the middle connecting assembly are adjusted to rotate relatively so as to adjust the angle between the positioning key 11 on the outer cutting sleeve 1 and the panda eye of the polarization maintaining optical fiber 8.
According to the angle-adjustable FC connector assembly, the angle between the positioning key 11 on the outer cutting sleeve 1 and the panda eye of the polarization maintaining optical fiber 8 is adjusted by adjusting the relative rotation of the outer cutting sleeve 1 and the middle connecting assembly, the angle error is small, the extinction ratio is ensured to meet the requirement, the performance of the FC connector is ensured, the structure is simple, the problems that the efficiency is low when an FC connector is assembled by the polarization maintaining optical fiber and the optical fiber cannot be completely protected by the protective sleeve are solved, and the service life is prolonged.
In one or more embodiments of the invention, the middle connection assembly includes a nut 3, an inner sleeve 4, a spring 5, and a rear sleeve 6, which are hollow inside and have two through ends, one end of the protection sleeve 9 passes through the tail sleeve 7, then sequentially passes through the rear sleeve 6, the spring 5, and the inner sleeve 4, and is connected to one end of the ferrule 2, the outer sleeve 1 is sleeved on the other end of the ferrule 2, the spring 5 is disposed in the rear sleeve 6, one ends of the inner sleeve 4 and the rear sleeve 6, which are close to each other, are in threaded connection, one end of the spring 5, which is close to the inner sleeve 4, abuts against the inner sleeve 4, one ends of the inner sleeve 4 and the outer sleeve 1, which are close to each other, are in mutual clamping connection, and the nut 3 is sleeved on a clamping connection position of the inner sleeve 4 and the outer sleeve 1. Through interior cutting ferrule 4 with 6 threaded connection of back cover are fixed, readjust outer cutting ferrule 1's angle, at last will outer cutting ferrule 1 with interior cutting ferrule 4 joint can realize like this outer cutting ferrule 1 on the navigation key 11 with angle accurate control between polarization maintaining fiber 8's the panda eye is favorable to improving FC connector's extinction ratio to improve the performance of product.
In one or more embodiments of the present invention, the outer edge of one end of the inner ferrule 4 near the outer ferrule 1 is provided with an annular chamfer. Through with interior cutting ferrule 4 is close to the annular chamfer is set up to the one end outward flange of outer cutting ferrule 1, can outer cutting ferrule 1 with it is more convenient during the joint of interior cutting ferrule 4 to do not influence the stability of the two joint.
In one or more embodiments of the present invention, the inner ferrule 4 and the outer ferrule 1 are interference fit between the ends that are close to each other. Through will interference fit between the one end that interior cutting ferrule 4 and outer cutting ferrule 1 are close to each other can make the two cooperation more firm, avoids the two to appear relative rotation or the circumstances such as dystopy after the joint, guarantees that the angle between the panda eye of outer cutting ferrule 1 and polarization maintaining fiber 8 does not change. In the invention, a circular step is formed at one end of the inner cutting sleeve 4 close to the outer cutting sleeve 1, the chamfer is arranged at the outer edge of one end of the step close to the outer cutting sleeve 1, and the outer diameter of the step is 0.05mm larger than the inner diameter of the counter bore of the outer cutting sleeve.
In one or more embodiments of the present invention, the inner cutting ferrule 4 is made of stainless steel, and the outer cutting ferrule 1 is made of brass with a nickel-plated surface.
In one or more embodiments of the invention, the protective sleeve 9 and the polarization maintaining fiber 8 are fixed by glue under illumination. The protective sleeve 9 and the polarization maintaining optical fiber 8 are fixed by glue under the condition of light, so that the protective sleeve 9 and the polarization maintaining optical fiber 8 are relatively fixed, and the phenomenon that the sheet optical fiber 8 rotates or is in an abnormal position in the protective sleeve 9 to cause the change of the angle between the positioning key 11 on the outer cutting sleeve 1 and the panda eye of the polarization maintaining optical fiber 8 is avoided.
As shown in fig. 4, the present invention also provides an assembling method of an angle-adjustable FC connector assembly, comprising the steps of:
step 1, sleeving a protective sleeve 8 on the surface of a polarization maintaining optical fiber 8;
step 2: one end of the protective sleeve 8 sequentially penetrates through the tail sleeve 7, the rear sleeve 6, the spring 5, the inner clamping sleeve 4 and the screw cap 3 and then is connected with one end of the inserting core 2;
and step 3: screwing one end of the inner cutting sleeve 4 close to one end of the rear sleeve 6, so that the spring 5 is positioned in the rear sleeve 6, and one end of the spring 5 close to the inner cutting sleeve 4 is abutted to the inner cutting sleeve 4;
and 4, step 4: sleeving the outer cutting ferrule 1 at the other end of the ferrule 2, and rotating the outer cutting ferrule 1 under a microscope to enable an angle between a positioning key 11 on the outer cutting ferrule 1 and a panda eye of the polarization maintaining optical fiber 8 to be a preset target angle;
and 5: keep outer cutting ferrule 4 does not rotate, and will outer cutting ferrule 1 with interior cutting ferrule 4 joint makes the both ends of lock pin 2 are located respectively in interior cutting ferrule 4 and the outer cutting ferrule 1, just nut 3 is located the joint department of interior cutting ferrule 4 and outer cutting ferrule 1.
According to the assembling method of the angle-adjustable FC connector assembly, the inner cutting sleeve 4 and the rear sleeve 6 are connected with each other through threads at one ends close to each other, the angle between the positioning key 11 on the outer cutting sleeve 1 and the panda eye of the polarization-maintaining optical fiber 8 is adjusted, and finally the outer cutting sleeve 1 is clamped with the inner cutting sleeve 4, so that the angle between the positioning key 11 on the outer cutting sleeve 1 and the panda eye of the polarization-maintaining optical fiber 8 can be kept at a preset target angle, the angle error is small, extinction is ensured to meet the requirement, the performance of the FC connector is ensured, the structure is simple, the problems that the efficiency is low when an FC connector is assembled by the polarization-maintaining optical fiber, and the protective sleeve cannot completely protect the optical fiber are solved, and the service life is prolonged.
In one or more embodiments of the present invention, glue (ultraviolet light curable glue) is dropped into the protective sleeve 9, and light is irradiated to cure the protective sleeve 9 and the polarization maintaining optical fiber 8. The protective sleeve 9 and the polarization maintaining optical fiber 8 are fixed by glue under the condition of light, so that the protective sleeve 9 and the polarization maintaining optical fiber 8 are relatively fixed, and the phenomenon that the sheet optical fiber 8 rotates or is in an abnormal position in the protective sleeve 9 to cause the change of the angle between the positioning key 11 on the outer cutting sleeve 1 and the panda eye of the polarization maintaining optical fiber 8 is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. An angle adjustable FC connector assembly, comprising: the optical fiber polarization maintaining optical fiber comprises a middle outer clamping sleeve (1) which is hollow inside and has two through ends, a ferrule (2), a middle connecting assembly which is hollow inside and has two through ends, a tail sleeve (7) which is hollow inside and has two through ends, a protective sleeve (9) and a polarization maintaining optical fiber (8), wherein the tail sleeve (7) is arranged at one end of the middle connecting assembly, the polarization maintaining optical fiber (8) penetrates through the protective sleeve (9), one end of the protective sleeve (9) extends into the tail sleeve (7) from one end of the tail sleeve (7) far away from the middle connecting assembly and is connected with one end of the ferrule (2) after penetrating through the middle connecting assembly, the other end of the ferrule (2) extends into the outer clamping sleeve (1) and extends out from one end of the outer clamping sleeve (1) far away from the middle connecting assembly, and the outer clamping sleeve (1) is clamped with the other end of the middle connecting, and outer cutting ferrule (1) with middle part coupling assembling relatively rotates, the surface of outer cutting ferrule (1) is equipped with navigation key (11), and adjusts outer cutting ferrule (1) with middle part coupling assembling relatively rotates to adjust the angle between the panda eye of navigation key (11) on outer cutting ferrule (1) and polarization maintaining fiber (8).
2. The angle adjustable FC connector assembly of claim 1, wherein: the middle connecting component comprises a screw cap (3), an inner cutting sleeve (4) which is hollow inside and has two through ends, a spring (5) and a rear sleeve (6), one end of the protective sleeve (9) penetrates through the tail sleeve (7) and then sequentially penetrates through the rear sleeve (6), the spring (5) and the inner cutting sleeve (4), and is connected with one end of the insertion core (2), the outer cutting ferrule (1) is sleeved at the other end of the insertion core (2), the spring (5) is arranged in the rear sleeve (6), one end of the inner cutting sleeve (4) close to the rear sleeve (6) is in threaded connection, and one end of the spring (5) close to the inner cutting sleeve (4) is abutted against the inner cutting sleeve (4), the inner cutting sleeve (4) and one end of the outer cutting sleeve (1) close to each other are mutually clamped, the nut (3) is sleeved at the clamping position of the inner clamping sleeve (4) and the outer clamping sleeve (1).
3. The angle adjustable FC connector assembly of claim 2, wherein: the outer edge of one end of the inner cutting sleeve (4) close to the outer cutting sleeve (1) is provided with an annular chamfer.
4. The angle adjustable FC connector assembly of claim 2, wherein: the inner cutting sleeve (4) and one end of the outer cutting sleeve (1) close to each other are in interference fit.
5. The angle adjustable FC connector assembly of claim 2, wherein: the inner cutting sleeve (4) is made of stainless steel, and the outer cutting sleeve (1) is made of brass with nickel plated on the surface.
6. An adjustable angle FC connector assembly according to any one of claims 1 to 5, wherein: the protective sleeve (9) and the polarization maintaining optical fiber (8) are fixed through glue under the illumination condition.
7. A method of assembling an angularly adjustable FC connector assembly as claimed in any one of claims 1 to 6, comprising the steps of:
step 1, sleeving a protective sleeve (8) on the surface of a polarization maintaining optical fiber (8);
step 2: one end of the protective sleeve (8) sequentially penetrates through the tail sleeve (7), the rear sleeve (6), the spring (5), the inner clamping sleeve (4) and the screw cap (3) and then is connected with one end of the ferrule (2);
and step 3: one end, close to each other, of the inner cutting sleeve (4) and the rear sleeve (6) is in threaded connection, so that the spring (5) is located in the rear sleeve (6), and one end, close to the inner cutting sleeve (4), of the spring (5) is abutted to the inner cutting sleeve (4);
and 4, step 4: sleeving the outer cutting ferrule (1) at the other end of the ferrule (2), and rotating the outer cutting ferrule (1) under a microscope to enable an angle between a positioning key (11) on the outer cutting ferrule (1) and a panda eye of the polarization maintaining optical fiber (8) to be a preset target angle;
and 5: the outer clamping sleeve (4) is kept not to rotate, the outer clamping sleeve (1) is clamped with the inner clamping sleeve (4), two ends of the ferrule (2) are respectively located in the inner clamping sleeve (4) and the outer clamping sleeve (1), and the screw cap (3) is located at the clamping position of the inner clamping sleeve (4) and the outer clamping sleeve (1).
8. The method of assembling an angularly adjustable FC connector assembly of claim 7, wherein step 1 further comprises the steps of:
and dripping glue into the protective sleeve (9), and illuminating to solidify the protective sleeve (9) and the polarization maintaining optical fiber (8).
CN202010685667.5A 2020-07-16 2020-07-16 Angle-adjustable FC connector assembly and assembling method thereof Active CN111834797B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115840271A (en) * 2023-02-21 2023-03-24 中天宽带技术有限公司 Connector convenient to field assembly

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Publication number Priority date Publication date Assignee Title
CN202472061U (en) * 2012-03-28 2012-10-03 杭州精工技研有限公司 Novel FC (Fiber Channel) fiber connector
CN106199848A (en) * 2016-08-31 2016-12-07 中航光电科技股份有限公司 A kind of optical fiber connector plug
CN106291806A (en) * 2016-09-05 2017-01-04 中国电子科技集团公司第四十四研究所 The polarization maintaining optical fibre axial method of work of regulation band union joint and union joint
CN210401744U (en) * 2019-03-20 2020-04-24 讯达康通讯设备(惠州)有限公司 Polarization maintaining optical fiber connector and polarization maintaining optical fiber clamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202472061U (en) * 2012-03-28 2012-10-03 杭州精工技研有限公司 Novel FC (Fiber Channel) fiber connector
CN106199848A (en) * 2016-08-31 2016-12-07 中航光电科技股份有限公司 A kind of optical fiber connector plug
CN106291806A (en) * 2016-09-05 2017-01-04 中国电子科技集团公司第四十四研究所 The polarization maintaining optical fibre axial method of work of regulation band union joint and union joint
CN210401744U (en) * 2019-03-20 2020-04-24 讯达康通讯设备(惠州)有限公司 Polarization maintaining optical fiber connector and polarization maintaining optical fiber clamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115840271A (en) * 2023-02-21 2023-03-24 中天宽带技术有限公司 Connector convenient to field assembly

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