CN111474639B - Optical fiber field connector and connecting method - Google Patents
Optical fiber field connector and connecting method Download PDFInfo
- Publication number
- CN111474639B CN111474639B CN202010537439.3A CN202010537439A CN111474639B CN 111474639 B CN111474639 B CN 111474639B CN 202010537439 A CN202010537439 A CN 202010537439A CN 111474639 B CN111474639 B CN 111474639B
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- Prior art keywords
- cone
- optical cable
- locking tip
- connector
- tip cone
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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
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
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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
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
-
- 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
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
Abstract
The invention belongs to the technical field of optical cable connection, and discloses a novel optical fiber field connector and a connecting method. The novel optical fiber field connector comprises a tail cap lining, a locking tip cone and a fixing nut; one end of the tail cap lining is provided with a fixed connector which is matched and connected with the fixed nut; an optical cable jack is arranged in the middle of the fixed connector; the locking tip cone is provided with an optical cable through hole along the axis direction, and one end of the locking tip cone is inserted into the optical cable jack; one end of the fixing nut, which is far away from the tail cap lining, is provided with a locking tip cone limiting part. This novel optic fibre field operations connector simple structure, the equipment is swift, connects optic fibre with it, has not only effectively overcome and has used the longer technical problem of glue equipment waiting period, and the tensile resistance is difficult not hard up moreover, ensures the stable transmission of optic fibre effectively.
Description
Technical Field
The invention belongs to the technical field of optical cable connection, and particularly relates to an optical fiber field connector and a connection method.
Background
Optical fiber cables (optical fiber cables) are manufactured to meet optical, mechanical, or environmental performance specifications and are telecommunication cable assemblies that utilize one or more optical fibers disposed in a surrounding jacket as the transmission medium and that may be used individually or in groups. When the optical cable is used, because the length of one optical cable is limited, in order to realize long-distance transmission, the optical cables are often butt-jointed one by using a connector. At present, when the connector is assembled and connected with an optical cable, glue is generally used for bonding and assembling, the assembling mode has the defects of low assembling efficiency, repeated length measurement, incomplete measurement and long time for waiting for glue to dry; and the tensile effect is not good.
Disclosure of Invention
The present invention is directed to an optical fiber field connector and a connecting method thereof, which solve at least one of the above problems of the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
in one aspect, the invention provides an optical fiber field connector, comprising a tail cap liner, a locking tip cone and a fixing nut;
one end of the tail cap lining is provided with a fixed connector which is matched and connected with the fixed nut;
an optical cable jack is arranged in the middle of the fixed connector;
the locking tip cone is provided with an optical cable through hole along the axis direction, and one end of the locking tip cone is inserted into the optical cable jack;
one end of the fixing nut, which is far away from the tail cap lining, is provided with a locking tip cone limiting part.
Furthermore, the locking tip cone comprises a cone body and a cone cap arranged at one end of the cone body, and the outer diameter of the cone cap is larger than the diameter of the optical cable plug jack.
Furthermore, the optical cable jack is of a horn-shaped structure which is gradually reduced from the port inwards, the cone body is of a circular truncated cone-shaped structure which is matched with the optical cable jack, and the cone cap is arranged at the larger end of the cone body.
Furthermore, the cone cap is of a circular ring structure, and the cone body is formed by enclosing a plurality of first arc-shaped pieces fixedly connected to the cone cap.
Furthermore, the cone cap is formed by splicing a plurality of arc-shaped strips, each arc-shaped strip is fixedly connected with a second arc-shaped piece, and all the second arc-shaped pieces enclose the cone body.
Furthermore, the locking tip cone limiting part is a limiting protrusion arranged on the inner wall of the fixing nut.
Furthermore, the limiting bulge is of an annular structure.
Furthermore, two spacing bulges are not less than two and are symmetrically arranged on the inner wall of the fixing nut.
In another aspect, the present invention further provides a method for connecting an optical cable by using the above optical fiber field connector, including:
the method comprises the following steps: sequentially penetrating one end of an optical cable through a fixing nut and a locking tip cone, and enabling an outer sheath of the optical cable to be flush with the end part of the locking tip cone;
step two: turning over a tensile layer in the optical cable to enable the tensile layer to be smoothed along the outer surface of the locking tip cone;
step three: inserting the locking tip cone into an optical cable jack;
step four: and fixedly connecting the fixing nut with the fixed connector of the tail cap lining.
Further, the tensile layer in the second step is Kevlar aramid fiber.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects or advantages:
the optical fiber field connector provided by the invention has the advantages that the structure is simple, the assembly is rapid, the technical problem of long waiting period of the assembly by using glue is effectively solved by using the optical fiber field connector for connecting optical fibers, the tensile resistance is strong, the optical fiber field connector is not easy to loosen, and the stable transmission of the optical fibers is effectively ensured.
Specific embodiments of the present invention are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the invention are not so limited in scope. Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.
It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.
Drawings
FIG. 1 is a schematic connection diagram of an optical fiber field connector according to an embodiment of the present invention;
fig. 2 is an exploded view of fig. 1.
FIG. 3 is a schematic view of a first construction of a locking nose cone in an embodiment of the present invention;
FIG. 4 is a schematic view of a second construction of a locking tip cone in an embodiment of the present invention;
FIG. 5 is a schematic view of a third construction of a locking nose cone in an embodiment of the present invention;
FIG. 6 is a schematic view of a first construction of a retaining nut in accordance with an embodiment of the present invention;
fig. 7 is a second structural schematic diagram of the fixing nut in the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the indication of the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, or the orientation or the positional relationship which is conventionally understood by those skilled in the art, is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or the element which is indicated must have a specific orientation, be constructed in a specific orientation and operate, and thus, cannot be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be further noted that the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; may be directly connected or indirectly connected through an intermediate. For those skilled in the art, the drawings of the embodiments with specific meanings of the terms in the present invention can be understood in specific situations, and the technical solutions in the embodiments of the present invention are clearly and completely described. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
As shown in fig. 1 and 2, an embodiment of the present invention provides an optical fiber field connector, which includes a tail cap liner 1, a locking tip cone 2 and a fixing nut 3;
one end of the tail cap lining 1 is provided with a fixed connector 11 which is matched and connected with the fixed nut 3;
the middle part of the fixed connector 11 is provided with an optical cable jack;
the locking tip cone 2 is provided with an optical cable through hole along the axis direction, and one end of the locking tip cone 2 is inserted into the optical cable jack;
one end of the fixing nut 3 far away from the tail cap lining 1 is provided with a locking tip cone limiting part 31.
In a specific implementation process, in order to facilitate the detachment and installation of the locking tip cone 2, in a possible implementation scheme, the locking tip cone 2 in the embodiment of the present invention includes a cone body 21 and a cone cap 22 disposed at one end of the cone body 21, and an outer diameter of the cone cap 22 is larger than a diameter of the optical cable jack. Due to the existence of the cone cap 22, the locking tip cone 2 cannot enter the optical cable jack completely, and the convenience of disassembly and assembly can be improved.
In a specific implementation process, in order to improve the convenience of inserting the locking tip cone 2 into the optical cable jack, in a possible implementation scheme, the optical cable jack in the embodiment of the present invention specifically adopts a horn-shaped structure gradually decreasing from the port inwards, the cone body 21 is in a circular truncated cone-shaped structure matching with the optical cable jack, and the cone cap 22 is disposed at the larger end of the cone body 21, as shown in fig. 3.
In the specific implementation, the locking nose cone 2 has a plurality of different structural forms.
In a possible embodiment, as shown in fig. 3, the body 21 of the locking nose cone 2 is of a truncated cone structure, and the cone cap 22 is disposed at the larger end of the body 21.
In another possible embodiment, as shown in fig. 4, the cone cap 22 of the locking tip cone 2 is a circular ring structure, and the cone body 21 is enclosed by a plurality of first arc-shaped pieces fixedly connected to the cone cap 22.
In another possible embodiment, as shown in fig. 5, the cone cap 22 of the locking tip cone 2 is formed by splicing a plurality of arc-shaped strips, each arc-shaped strip 22 is fixedly connected with a second arc-shaped piece, and all the second arc-shaped pieces surround the cone body 21.
In a specific implementation process, the locking tip cone limiting member 31 in the embodiment of the present invention is used to prevent the locking tip cone 2 from falling off, so as to ensure the stability of optical fiber connection. In a possible embodiment, the locking nose cone limiting member 31 in the embodiment of the present invention is a limiting protrusion disposed on the inner wall of the fixing nut 3. The limiting protrusion can be integrally formed with the fixing nut 3, and can also be welded or clamped on the fixing nut 3, and the specific connection mode is not limited.
In a specific implementation process, the structure of the limiting protrusion is various:
in a possible embodiment, the limiting protrusion in the embodiment of the present invention has a ring structure, as shown in fig. 6.
In another possible embodiment, the at least two limiting protrusions in the embodiment of the present invention are symmetrically disposed on the inner wall of the fixing nut 3, as shown in fig. 7.
Corresponding to the optical fiber field connector, the embodiment of the invention also provides a method for connecting an optical cable by using the optical fiber field connector, and the method for connecting the optical cable comprises the following steps:
the method comprises the following steps: sequentially penetrating one end of an optical cable through a fixing nut and a locking tip cone, and enabling an outer sheath of the optical cable to be flush with the end part of the locking tip cone;
step two: turning over a tensile layer in the optical cable to enable the tensile layer to be smoothed along the outer surface of the locking tip cone;
step three: inserting the locking tip cone into an optical cable jack;
step four: and fixedly connecting the fixing nut with the fixed connector of the tail cap lining.
In a specific implementation process, the tensile layer in the second step in the embodiment of the present invention is preferably kevlar, but other tensile layers may also be used.
The optical fiber field connector provided by the embodiment of the invention has the advantages of simple structure and quick assembly, and can be used for connecting optical fibers, so that the technical problem of long waiting period of glue assembly is effectively solved, the tensile resistance is strong, the looseness is not easy to occur, and the stable transmission of the optical fibers is effectively ensured.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An optical fiber field connector is characterized by comprising a tail cap lining, a locking tip cone and a fixing nut;
one end of the tail cap lining is provided with a fixed connector which is matched and connected with the fixed nut;
an optical cable jack is arranged in the middle of the fixed connector;
the locking tip cone is provided with an optical cable through hole along the axis direction, and one end of the locking tip cone is inserted into the optical cable jack;
one end of the fixing nut, which is far away from the tail cap lining, is provided with a locking tip cone limiting part;
the locking tip cone comprises a cone body and a cone cap arranged at one end of the cone body, and the outer diameter of the cone cap is larger than the diameter of the optical cable plug jack;
the optical cable plug jack is of a horn-shaped structure which is gradually reduced from a port inwards, the cone body is of a circular truncated cone-shaped structure matched with the optical cable plug jack, and the cone cap is arranged at one end with a larger cone body.
2. The fiber optic field connector of claim 1, wherein the cone cap is a circular ring, and the cone body is defined by a plurality of first arc-shaped pieces fixedly connected to the cone cap.
3. The fiber optic field connector of claim 1, wherein the cone cap is formed by splicing a plurality of arc-shaped strips, each arc-shaped strip is fixedly connected with a second arc-shaped piece, and all the second arc-shaped pieces surround the cone body.
4. The fiber optic field connector of claim 1, wherein the locking tip stop is a stop protrusion disposed on an inner wall of the retaining nut.
5. The fiber optic field connector of claim 4, wherein the retention bumps are in a ring configuration.
6. The fiber optic field connector of claim 4, wherein the two or more retaining protrusions are symmetrically disposed on the inner wall of the retaining nut.
7. A method of connecting fiber optic cables using the fiber optic field connectors of any of claims 1-6, comprising:
the method comprises the following steps: sequentially penetrating one end of an optical cable through a fixing nut and a locking tip cone, and enabling an outer sheath of the optical cable to be flush with the end part of the locking tip cone;
step two: turning over a tensile layer in the optical cable to enable the tensile layer to be smoothed along the outer surface of the locking tip cone;
step three: inserting the locking tip cone into an optical cable jack;
step four: and fixedly connecting the fixing nut with the fixed connector of the tail cap lining.
8. The method for connecting an optical cable according to claim 7, wherein the tensile layer in the second step is Kevlar aramid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010537439.3A CN111474639B (en) | 2020-06-12 | 2020-06-12 | Optical fiber field connector and connecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010537439.3A CN111474639B (en) | 2020-06-12 | 2020-06-12 | Optical fiber field connector and connecting method |
Publications (2)
| Publication Number | Publication Date |
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| CN111474639A CN111474639A (en) | 2020-07-31 |
| CN111474639B true CN111474639B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010537439.3A Active CN111474639B (en) | 2020-06-12 | 2020-06-12 | Optical fiber field connector and connecting method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4168109A (en) * | 1977-05-18 | 1979-09-18 | Kabel-Und Metallwerke Gutehoffnungshuette Ag | Fiber optic connector apparatus with optical fibers having thermally deformable jacket material |
| JPS6042719A (en) * | 1983-08-18 | 1985-03-07 | Nec Corp | Optical fiber connector |
| US5007702A (en) * | 1990-01-30 | 1991-04-16 | Segerson Eugene E | Fiber optic cable retainer |
| US5074636A (en) * | 1990-06-21 | 1991-12-24 | Augat Communications Group, Inc. | Fiber optic cable entry connector |
| CN206038984U (en) * | 2016-09-18 | 2017-03-22 | 刘建清 | Policeman's field operations armor cable connection protects fine card pipe |
| CN208255472U (en) * | 2018-06-05 | 2018-12-18 | 成都盈极科技有限公司 | A kind of field operation fiber active linker |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001157350A (en) * | 1999-11-25 | 2001-06-08 | Sekisui Chem Co Ltd | Flexible duct sleeve and hand-hole or manhole provided therewith |
| US8039745B2 (en) * | 2007-08-01 | 2011-10-18 | Panduit Corp. | Cable strain relief module assembly |
| JP2011257726A (en) * | 2010-05-14 | 2011-12-22 | Sumitomo Electric Ind Ltd | Optical cable terminal fixture and fixing method of optical cable |
-
2020
- 2020-06-12 CN CN202010537439.3A patent/CN111474639B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4168109A (en) * | 1977-05-18 | 1979-09-18 | Kabel-Und Metallwerke Gutehoffnungshuette Ag | Fiber optic connector apparatus with optical fibers having thermally deformable jacket material |
| JPS6042719A (en) * | 1983-08-18 | 1985-03-07 | Nec Corp | Optical fiber connector |
| US5007702A (en) * | 1990-01-30 | 1991-04-16 | Segerson Eugene E | Fiber optic cable retainer |
| US5074636A (en) * | 1990-06-21 | 1991-12-24 | Augat Communications Group, Inc. | Fiber optic cable entry connector |
| CN206038984U (en) * | 2016-09-18 | 2017-03-22 | 刘建清 | Policeman's field operations armor cable connection protects fine card pipe |
| CN208255472U (en) * | 2018-06-05 | 2018-12-18 | 成都盈极科技有限公司 | A kind of field operation fiber active linker |
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| Publication number | Publication date |
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| CN111474639A (en) | 2020-07-31 |
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