CN209842161U

CN209842161U - Splicing assembly for quickly terminating field optical cable

Info

Publication number: CN209842161U
Application number: CN201920283544.1U
Authority: CN
Inventors: 吉顺兵; 成培; 刘海
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-06
Filing date: 2019-03-06
Publication date: 2019-12-24
Anticipated expiration: 2029-03-06

Abstract

The utility model discloses a subassembly that continues of quick one-tenth end of field operations optical cable, including first optical cable and second optical cable, the front end of first optical cable is provided with the optic fibre sinle silk, and has alternated on the optic fibre sinle silk and have the ceramic lock pin, the front end of ceramic lock pin is connected with V groove cold joint, and is fixed with V groove clamp plate on the V groove cold joint, the outside of V groove cold joint is fixed with interior mounting, and installs the briquetting on the interior mounting to the viewing aperture has been seted up to the outer end of briquetting, the briquetting is provided with the draw-in groove with the inboard of interior mounting junction, and the draw-in groove in-connection has the second optical cable, the outside of interior mounting is fixed with outer mounting, and installs the second jump ring between outer mounting and the interior mounting. The field operation optical cable rapid-end connection assembly does not need any power supply fusion equipment to operate in a field environment, can be well matched with a disposable joint on an original optical cable, and achieves the function of randomly prolonging the connection.

Description

Splicing assembly for quickly terminating field optical cable

Technical Field

The utility model relates to an optical cable connector technical field specifically is a subassembly that continues of quick one-tenth end of field operations optical cable.

Background

In recent years, with the rapid development of economy in China, the national defense strength is continuously enhanced, military training is continuously increased, the requirements on field operation optical cables are higher and higher, and the demand is also larger and larger; meanwhile, the dependence on optical communication in large-scale military countermeasure or exercise is strengthened gradually. Data communication between field command posts is always the hardest courseware to be solved under the field condition of army, and the field communication optical cable is the most common solution; present field operation optical cable's that the army used of joining in marriage at present structure is mostly disposable joint, and whole optical cable weight is big, takes place disconnected fine easily when laying and retrieving, can't maintain under the condition of not having professional instrument, extravagant optical cable resource. The existing civil quick connection method cannot meet the requirements of use in a severe outdoor environment, and particularly has the performances of tensile strength, compression resistance, water resistance and the like. And can not be matched and connected with the original joint component of the field optical cable at will.

We have therefore proposed a field operations cable quick termination assembly to address the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a subassembly that continues of quick one-tenth end of field operations optical cable to solve the unable problem of maintaining behind the current field operations optical cable in use rupture on the existing market that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a subassembly that continues of quick one-tenth end of field operations optical cable, includes first optical cable and second optical cable, the front end of first optical cable is provided with the optic fibre sinle silk, and alternates on the optic fibre sinle silk have the ceramic lock pin, the front end of ceramic lock pin is connected with V groove cold joint, and is fixed with V groove clamp plate on the V groove cold joint to the both ends of V groove cold joint are fixed with lead fine head, install first jump ring between V groove cold joint and the ceramic lock pin, the outside of V groove cold joint is fixed with interior mounting, and installs the briquetting on the interior mounting to the observation mouth has been seted up to the outer end of briquetting, the inboard of briquetting and interior mounting junction is provided with the draw-in groove, and the draw-in groove in-connection has the second optical cable, the outside of interior mounting is fixed with outer mounting, and installs the second jump ring between outer mounting and the interior mounting.

Preferably, the first optical cable and the ferrule are sleeved, and the joint of the first optical cable and the ferrule forms a fixed bonding structure through epoxy resin glue.

Preferably, two groups of the V-groove cold connectors are symmetrically arranged on the inner fixing piece, and the inner fixing piece is fixedly connected with the V-groove cold connectors.

Preferably, the pressing block is fixed at one end of the inner fixing piece through a bolt, and the two sides of one end of the pressing block are provided with observation ports in an L shape.

Preferably, the inner side surface of the clamping groove is of an inverted triangular texture structure, and the minimum inner diameter of the clamping groove is smaller than the outer diameter of the second optical cable.

Compared with the prior art, the beneficial effects of the utility model are that: the field operation optical cable rapid-end connection assembly does not need any power supply fusion equipment to operate in a field environment, can be well matched with a disposable joint on an original optical cable, and achieves the function of randomly prolonging the connection. In order to achieve the functions, the terminal structure and the size of the same standard are adopted in design, the terminal structure and the size are also made of metal materials, the compressive strength and the tensile strength are achieved, and meanwhile, the sealing ring design is adopted, and the waterproof and dustproof requirements are met.

Compare in disposable joint, the difference of this scheme is that have repeatable dismouting function to reach good butt joint effect, reduce the optical loss. Therefore, a section of optical fiber is pre-embedded in the ceramic insert core with the handle in the scheme, the optical fiber is solidified by glue, the front end face of the ceramic is ground to enable the front end face of the ceramic to meet the standard of China telecom group, and the other end of the optical fiber is cut to a fixed length to enable the cutting length and the end face to meet the use requirements. The V-groove structure is used for butting the optical fibers, and matching fluid is filled in the V-groove in advance, so that the matching yield is improved, the optical loss is reduced, and a certain optical fiber fixing effect is achieved.

Drawings

FIG. 1 is a schematic view of the internal structure of the external fixing member of the present invention;

FIG. 2 is a schematic view of the structure of the inner fixing member of the present invention;

FIG. 3 is a schematic view of the internal structure of the inner fixing member of the present invention;

FIG. 4 is a schematic view of the ceramic ferrule structure of the present invention;

FIG. 5 is a schematic view of the structure of the V-groove cold joint of the present invention;

fig. 6 is a schematic diagram of the structure of the pressing block of the present invention.

In the figure: 1. a first optical cable; 2. a ceramic ferrule; 3. an optical fiber core; 4. a V-groove cold connector; 5. a V-groove pressing plate; 6. a fiber guide head; 7. briquetting; 8. a viewing port; 9. a first clamp spring; 10. an inner fixing member; 11. a card slot; 12. a second clamp spring; 13. an outer fixing member; 14. a second fiber optic cable.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a field operation optical cable rapid end-forming connection component comprises a first optical cable 1, a ceramic ferrule 2, an optical fiber core 3, a V-groove cold connector 4, a V-groove pressing plate 5, a fiber guide head 6, a pressing block 7, an observation port 8, a first clamping spring 9, an inner fixing piece 10, a clamping groove 11, a second clamping spring 12, an outer fixing piece 13 and a second optical cable 14, wherein the optical fiber core 3 is arranged at the front end of the first optical cable 1, the ceramic ferrule 2 is inserted in the optical fiber core 3, the front end of the ceramic ferrule 2 is connected with the V-groove cold connector 4, the V-groove pressing plate 5 is fixed on the V-groove cold connector 4, the fiber guide heads 6 are fixed at two ends of the V-groove cold connector 4, the first clamping spring 9 is arranged between the V-groove cold connector 4 and the ceramic ferrule 2, the inner fixing piece 10 is fixed on the outer side of the V-groove cold connector 4, the pressing block 7 is arranged on the inner fixing piece 10, the observation port 8 is arranged at the outer end of the pressing block 7, the clamping groove 11 is arranged on, and a second optical cable 14 is connected in the clamping groove 11, an outer fixing member 13 is fixed on the outer side of the inner fixing member 10, and a second clamp spring 12 is installed between the outer fixing member 13 and the inner fixing member 10.

The first optical cable 1 and the ceramic ferrule 2 are sleeved, and the joint of the first optical cable 1 and the ceramic ferrule 2 forms a fixed bonding structure through epoxy resin glue, in order to achieve the purposes, the scheme performs pre-embedded optical fiber appearance on the handled ceramic ferrule 2 in advance, the empty ceramic ferrule 2 is injected with the epoxy resin glue from the tail part of the metal handle, a small section of optical fiber is cut, a coating layer is stripped, the ceramic ferrule 2 penetrates from the tail part of the metal handle and is exposed from the front end, and the ceramic ferrule 2 is ground by special grinding equipment after high-temperature curing, so that the ceramic end surface reaches the use standard; cleaning the other end of the optical fiber, installing the ceramic ferrule 2 by using a tool with a fixed length, cutting the ceramic ferrule on an optical fiber cutter, observing a cutting section, and selecting a product with a complete end face for later use.

The V groove cold joint 4 is symmetrically provided with two groups on the inner fixing piece 10, the inner fixing piece 10 is fixedly connected with the V groove cold joint 4, the existing V groove cold joint 4 product in the market is used, matching liquid is injected into the V groove, the V groove is filled into a fixing structural part and is fixed by glue, the effect is that the butt joint of the end faces of optical fibers is completed in the V groove and the effect of fixing the butt joint face of the optical fibers is achieved, and the V groove cold joint 4 comprises fiber guide holes at two ends, an opener, a V groove clamp spring and a V groove pressing plate 5.

The briquetting 7 bolt fastening is in the one end of mounting 10 including, and 8 appearances of viewing aperture that the one end both sides of briquetting 7 were seted up are "L" shape, and briquetting 7 is fixed on mounting 10 including with little screw, and the effect is fixed optical cable, and viewing aperture 8 is left in the front portion of briquetting 7, can conveniently observe the connection condition of optic fibre sinle silk 3.

The inner side surface of the clamping groove 11 is of an inverted triangular grain structure, and the minimum inner diameter of the clamping groove 11 is smaller than the outer diameter of the second optical cable 14, so that the biting force of the second optical cable 14 is increased, and the tensile resistance of the second optical cable 14 is enhanced.

The working principle is as follows: in field operation, the tail cap and the locking mechanism are screwed off, the inner fixing piece 10 is withdrawn from the outer fixing piece 13, and the protective sleeve is screwed off. The tail cap, the locking mechanism, the buffer spring and the protective sleeve are sequentially inserted into the optical cable.

The screw of the pressing block 7 is screwed down, and the pressing block 7 is taken down.

The front end of the second optical cable 14 is stripped off a section of the outer sheath by an annular stripping knife, the exposed Kevlar reinforcement is cut off along the stripping position by an inclined jaw clamp, the optical fiber protective sleeve is exposed, and the optical fiber protective sleeve is stripped off along the stripping position by a Miller clamp, so that two colored optical fibers are exposed.

And selecting a matched optical fiber fixed-length stripping cutter according to different connector models, mounting the stripped second optical cable 14 on the optical fiber fixed-length stripping cutter, stripping an optical fiber coating layer, and cutting the optical fiber coating layer on an optical fiber cutter to enable the length of the cut optical fiber to meet the assembly requirement.

And installing an opener of the V-groove cold connector 4, inserting the cut two-color optical fibers into the two fiber guide holes according to the appointed color sequence, inserting the second optical cable 14 to the bottom along the clamping groove 11, seeing two optical fiber microbends, installing a pressing block 7, screwing a screw and pressing the second optical cable 14. In this process, the optical fiber is prevented from being slightly bent due to the optical cable backing.

And (3) after the pressing block 7 is installed, checking whether the optical fiber micro-bending is normal, and taking down the V-groove opener under the normal condition to enable the optical fiber to be in butt joint in the V-groove. In abnormal situations, the fiber needs to be extracted and reassembled.

Screwing the protective sleeve, installing the buffer spring, installing the outer fixing piece 13, screwing the locking mechanism, injecting the quick-drying waterproof glue into the inner wall of the tail cap, and screwing the tail cap to complete the assembly. Those not described in detail in this specification are well within the skill of the art.

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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A field operations cable becomes continuous subassembly of end fast, includes first cable (1) and second cable (14), its characterized in that: the front end of the first optical cable (1) is provided with an optical fiber core (3), a ceramic ferrule (2) is inserted in the optical fiber core (3), the front end of the ceramic ferrule (2) is connected with a V-groove cold connector (4), a V-groove pressing plate (5) is fixed on the V-groove cold connector (4), fiber guide heads (6) are fixed at two ends of the V-groove cold connector (4), a first clamping spring (9) is installed between the V-groove cold connector (4) and the ceramic ferrule (2), an inner fixing piece (10) is fixed on the outer side of the V-groove cold connector (4), a pressing block (7) is installed on the inner fixing piece (10), an observation port (8) is formed in the outer end of the pressing block (7), a clamping groove (11) is formed in the inner side of the joint of the pressing block (7) and the inner fixing piece (10), a second optical cable (14) is connected in the clamping groove (11), an outer fixing piece (13) is fixed on the outer side of the inner fixing piece (10, and a second clamp spring (12) is arranged between the outer fixing piece (13) and the inner fixing piece (10).

2. A field fiber optic cable quick-end splice assembly as claimed in claim 1, wherein: the first optical cable (1) and the ceramic ferrule (2) are sleeved, and the joint of the first optical cable (1) and the ceramic ferrule (2) forms a fixed bonding structure through epoxy resin glue.

3. A field fiber optic cable quick-end splice assembly as claimed in claim 1, wherein: the V-groove cold connectors (4) are symmetrically provided with two groups on the inner fixing piece (10), and the inner fixing piece (10) is fixedly connected with the V-groove cold connectors (4).

4. A field fiber optic cable quick-end splice assembly as claimed in claim 1, wherein: the pressing block (7) is fixed at one end of the inner fixing piece (10) through bolts, and the two sides of one end of the pressing block (7) are provided with observation ports (8) in an L shape.

5. A field fiber optic cable quick-end splice assembly as claimed in claim 1, wherein: the inner side surface of the clamping groove (11) is of an inverted triangular texture structure, and the minimum inner diameter of the clamping groove (11) is smaller than the outer diameter of the second optical cable (14).