CN110174731A - A kind of field optical fibers connector - Google Patents
A kind of field optical fibers connector Download PDFInfo
- Publication number
- CN110174731A CN110174731A CN201810953580.4A CN201810953580A CN110174731A CN 110174731 A CN110174731 A CN 110174731A CN 201810953580 A CN201810953580 A CN 201810953580A CN 110174731 A CN110174731 A CN 110174731A
- Authority
- CN
- China
- Prior art keywords
- field optical
- optical fibers
- lock pin
- fibers
- preformed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
Abstract
The present invention provides a kind of field optical fibers connectors, field optical fibers connector includes the quick terminal forming component of shell and setting inside the shell, quick terminal forming component includes the adapter pin that the preformed fibers being embedded in inserting core structure by inserting core structure and in advance are constituted, quick terminal forming component further includes with inserting core structure along the field optical fibers lock pin body axially docked and the butt tube being fixedly set in outside inserting core structure and field optical fibers lock pin body, the butt tube is silent casing or split coupling, the field optical fibers perforation for penetrating with the coaxially arranged front end for field optical fibers of the preformed fibers and docking afterwards with preformed fibers is equipped in field optical fibers lock pin body, pressing component relatively fixed with the field optical fibers lock pin body and for fixed press fitting preformed fibers rear end is equipped in the shell.The case where preformed fibers are embedded in inserting core structure, avoid wherein one section of naked is exposed on the external of preformed fibers in the prior art and preformed fibers is caused easily to be broken off.
Description
Technical field
The present invention relates to a kind of field optical fibers connectors.
Background technique
Currently, PON technology has become the most important solution of global fiber to the home with the rapid development of Fibre Optical Communication Technology
Scheme.Currently, optical fiber fusion welding technology and Quick optical fiber terminating technology are mainstream side in last one kilometer access installation
Case.In Quick optical fiber terminating technology, through type and built-in type common are.Through type quick terminal forming component is due to the prior art
Limitation, performance is not sufficiently stable, and is unable to satisfy the requirement of optical fiber field rapid construction.It is existing common for built-in type fast terminating
Component.
Existing built-in type quick terminal forming component is mostly if application publication number is the Chinese invention application institute of CN103502861A
Show, pre-buried one end preformed fibers in the ceramic core internal hole of quick terminal forming component, one end of preformed fibers and ceramic insertion core are through grinding
The end face for being formed after grinding and polishing light and being normally adapted to optical fiber connector docking, the other end of preformed fibers expose certain length and protect
Demonstrate,prove the end end face.In order to realize the connecting of preformed fibers and field optical fibers, one end of the exposing of preformed fibers is placed on V
In slot, field optical fibers are also disposed in V slot and are fitted with preformed fibers or close, briquetting is provided with above V slot, it will
Field optical fibers and preformed fibers are pressed in V slot, and the gap between the butt end of two optical fiber is filled using matching cream, thus real
The connecting of field optical fibers and preformed fibers is showed.
But in built-in type quick terminal forming component in the prior art, one end of preformed fibers is exposed at the outer of ceramic insertion core
Portion, the one end exposed in preformed fibers in process of production be easy to happen fracture, end-face pollution, end face chip off-falling equivalent damage, cause
Scrap of the product.V slot required precision used in the prior art is higher, and manufacture is difficult, and when batch production is not easy to guarantee the one of size
Cause property, causes properties of product unstable, is unable to satisfy the requirement of live batch installation.Above-mentioned each reason will cause fast terminating
The yield rate of component and the field optical fibers connector including the quick terminal forming component is lower.
Summary of the invention
The purpose of the present invention is to provide a kind of field optical fibers connectors, to solve field optical fibers connector in the prior art
The lower technical problem of yield rate.
To achieve the above object, the technical solution of field optical fibers connector of the present invention is: a kind of field optical fibers connector, packet
The quick terminal forming component of shell and setting inside the shell is included, quick terminal forming component includes being embedded in lock pin knot with pre- by inserting core structure
The adapter pin that preformed fibers in structure are constituted, quick terminal forming component further include with inserting core structure along the field optical fibers axially docked
Lock pin body and the butt tube being fixedly set in outside inserting core structure and field optical fibers lock pin body, the butt tube are silent casing
Or split coupling, field optical fibers lock pin body are interior equipped with after penetrating with the coaxially arranged front end for field optical fibers of the preformed fibers
The field optical fibers perforation docked with preformed fibers, the shell is interior to be equipped with relatively fixed with the field optical fibers lock pin body and is used for
The pressing component of fixed press fitting preformed fibers rear end.
The beneficial effects of the present invention are: inserting core structure and the preformed fibers being embedded in inserting core structure are common in the present invention
Constitute adapter pin, can be adapted to optical fiber connector and field optical fibers are docked.Preformed fibers are embedded in inserting core structure,
The case where avoiding wherein one section of naked is exposed on the external of preformed fibers in the prior art and preformed fibers caused easily to be broken off,
Moreover, be also convenient for preformed fibers and inserting core structure after by the way of adapter pin while being ground, improve prefabricated
The flatness of optical fiber end.It is protected in the present invention using butt tube, field optical fibers lock pin body come positioning transfer contact pin and field optical fibers
The centering arrangement between field optical fibers and preformed fibers is demonstrate,proved, positioning is realized using the field optical fibers lock pin body in butt tube and pipe
Mode it is simple.Due to avoiding preformed fibers leakage and using more simple positioning method, field optical fibers company can be improved
Connect the yield rate of device.
Further, matching cream is preset in the field optical fibers perforation.
At the scene optical fiber perforate in preset matching cream, when optical fiber penetrates at the scene can will matching cream bring to field optical fibers and
Between preformed fibers, the air gap between the two is filled, reduces loss.
Further, at least one of the field optical fibers lock pin body and inserting core structure are removable is assigned in the butt tube
It is interior.
Removable the advantages of matching, is to be able to carry out replacement after damage.
Further, the pressing component includes the installation set for being fixed on field optical fibers and inserting core back-end, the installation set
The interior installation set perforation equipped with perforation corresponding with field optical fibers perforation, the installation set is equipped with to intersect with installation set perforation
Briquetting mounting groove, it is removable equipped with for pressing the part of the exposed field optical fibers in briquetting mounting groove in briquetting mounting groove
Loaded on the briquetting in installation set, the briquetting is pressed on optical fiber on site by the elastic clip being set in installation set.
The rear end of field optical fibers can be fixed by way of elastic clip, briquetting and installation set, and installation set with
Fixing assembling between field optical fibers lock pin body realizes relatively fixed between pressing component and field optical fibers lock pin body.
Further, inserting core structure includes that lock pin shell and fixation are threaded onto intracorporal one or spaced apart, lock pin shell
Two preformed fibers lock pin bodies are embedded with the preformed fibers in preformed fibers lock pin body.
Inserting core structure is divided into lock pin shell and preformed fibers lock pin body, and preformed fibers are embedded in preformed fibers lock pin
In vivo, it is ground simultaneously convenient for the end face to preformed fibers lock pin body and preformed fibers.
Further, it is opened up on the lock pin shell in the interval of two spaced apart preformed fibers lock pin bodies
There is dispensing hole.
When the quantity of preformed fibers lock pin body is two, in order to guarantee between preformed fibers lock pin body and lock pin shell
Securely assembly, is arranged between two preformed fibers lock pin bodies by the way of gluing, and by dispensing hole.
Further, the lock pin shell has the rear suit section for being set in the butt tube front end, quick terminal forming component
It further include front end sleeve loaded on outside the rear suit section and positioned at the docking tube protecting sleeve of the butt tube radially outer.
Lock pin shell, butt tube and docking tube protecting sleeve all have the part of overlapping radially, can reduce quickly
At the whole axial dimension of end component.
Further, the rear end of the docking tube protecting sleeve protrudes from the butt tube backward, after docking tube protecting sleeve
End is equipped with for cooperating the block turn edge to prevent butt tube from deviating from backward with the rear end face block of butt tube.
By axially engaging for block turn edge and butt tube, butt tube can be prevented by taking off backward in docking tube protecting sleeve
Out.
Detailed description of the invention
Fig. 1 is the schematic diagram of field optical fibers connector embodiment of the present invention；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the exploded view of field optical fibers connector embodiment of the present invention；
Fig. 4 is the exploded view of quick terminal forming component in field optical fibers connector embodiment of the present invention；
Fig. 5 is the cross-sectional view of quick terminal forming component in field optical fibers connector embodiment of the present invention.
In attached drawing, 1- procapsid；2- back casing；3- nut；4- tail folder；5- quick terminal forming component；51- adapter pin；
511- preformed fibers lock pin body；512- lock pin shell；513- preformed fibers；Stopping surface before 514-；52- butt tube；53- butt tube
Protective jacket；54- field optical fibers lock pin body；541- second port；The perforation of 542- field optical fibers；55- installation set；551- first end
Mouthful；56- briquetting；57- elastic clip；Stopping surface after 58-；6- pressure spring.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of field optical fibers connector of the invention, as shown in Figures 1 to 5, field optical fibers connector includes
Procapsid 1, back casing 2 and the nut 3 for being arranged in 2 rear end of back casing, further include in procapsid 1 and back casing 2 and
Press is assemblied in the quick terminal forming component 5 between procapsid 1 and back casing 2.
Quick terminal forming component 5 is core of the invention component, and structure is as shown in Figure 4 and Figure 5, and quick terminal forming component 5 wraps
Include adapter pin 51, butt tube 52 and field optical fibers component.Adapter pin 51 includes inserting core structure, and inserting core structure includes lock pin shell
Body 512, and two preformed fibers lock pin bodies 511 in axial ends insertion lock pin shell 512, two preformed fibers lock pin bodies
511 axially spaced-aparts arrange (a preformed fibers lock pin body in other embodiments, can be set in lock pin shell 512).In advance
The front end of fiber stub body 511 processed by being pierced by procapsid 1, on lock pin shell 512 in two preformed fibers lock pin bodies 511 it
Between interval location at be provided with radial dispensing hole, by the dispensing hole to lock pin shell 512 and preformed fibers lock pin body 511
Between gluing.
The center of preformed fibers lock pin body 511 offer along axis extend preformed fibers mounting hole (in figure not
Label), preformed fibers mounting hole is high precision inner-pore, it is ensured that the merging precision of preformed fibers.When assembly, by preformed fibers 513
It penetrates in preformed fibers mounting hole, and the both ends of preformed fibers 513 are corresponding with the axial ends end face of preformed fibers lock pin body
(signified correspondence refers to that the both ends of preformed fibers 513 and the both ends of preformed fibers lock pin body are substantially flush in the present invention, Ke Yiyou
Certain error), the both ends of the preformed fibers lock pin body 511 in adapter pin are ground after preformed fibers 513 solidify,
Guarantee that the end face at preformed fibers both ends is smooth.The both ends of the preformed fibers in adapter pin in the present invention are not exposed or only reveal
Lesser length out will not be bent over damage.
Field optical fibers component includes field optical fibers lock pin body 54, field optical fibers lock pin body 54 and preformed fibers lock pin body 511
Fitting docking both prevents the outside of 52 sets of butt tube fiber stub body 54 and preformed fibers lock pin body 511 at the scene radially
Opposite play, specifically, elastic conjunction is one between field optical fibers lock pin body 54 and preformed fibers lock pin body 511 and butt tube 52
It rises, had not only realized axial, circumferential and radial relatively fixed, but also realize field optical fibers lock pin body 54 and preformed fibers lock pin body
511 are connected with the removable of butt tube 52, when one of component is damaged, can take out and be replaced.
It is fixed with docking tube protecting sleeve 53 in the outside of butt tube 52, specifically, the front end suit of docking tube protecting sleeve 53
Outside the rear end of lock pin shell 512, docking tube protecting sleeve 53 is located at the radially outer of butt tube, protects butt tube 52.Certainly,
In other embodiments, docking tube protecting sleeve 53 can be directly anchored to the outside of butt tube 52.As shown in Figure 5, butt tube
52, docking tube protecting sleeve 53 and lock pin shell 512 radially has the part of overlapping, can reduce the axis of quick terminal forming component
To length.The rear end part of lock pin shell 512 is set in the outside of butt tube 52 and is set with section after foring.Dock tube protecting sleeve
It is provided with block turn edge on 53 rear end, is limited for the play backward to butt tube 52.
Field optical fibers perforation 542, field optical fibers perforation 542 and preformed fibers 513 are offered in field optical fibers lock pin body 54
Axial corresponding arrangement can be realized connect corresponding with the axial direction of preformed fibers 513 after optical fiber penetrates at the scene.It can be seen by Fig. 5
Out, in the present embodiment, field optical fibers lock pin body 54 extends to the outside of butt tube 52, and installation is connected on one end of the extension
Set 55, specifically, installation set 55 can be fixed on field optical fibers lock pin body 54 by the way of gluing.It is opened up in installation set 55
Have an installation set perforation, installation set perforation is corresponding with field optical fibers perforation 542 to be penetrated through, can for field optical fibers front end by way of installation
Set perforation is protruded into field optical fibers lock pin body 54.It is offered in installation set 55 briquetting mounting groove (unmarked in figure), briquetting peace
Tankage intersects with installation set perforation, and removable in briquetting mounting groove to be furnished with briquetting 56, briquetting 56 can compress field optical fibers
In installation set 55.Elastic clip 57 is set with the outside of installation set 55 is also removable, elastic clip 57 is sleeved on the outside of briquetting 56,
Press active force can be applied to briquetting 56.
In the present invention, the first port 551 of installation set perforation penetrated for field optical fibers is flaring structure, and field optical fibers are worn
The second port 541 penetrated for field optical fibers in hole 542 is also flaring structure, is used to lead penetrating for field optical fibers
To.
In the present invention, tail folder 4 and nut 3 are connected in one end of installation set.It is preset in optical fiber perforation 542 at the scene
With cream, matching cream can be brought between field optical fibers and preformed fibers 513, be filled between the two when optical fiber penetrates at the scene
The air gap.
Lock pin shell 512 has preceding stopping surface 514, and installation set has rear stopping surface 58, specifically when installation, by fast terminating
Component 5 penetrates in procapsid 1, and makes the front end of preformed fibers lock pin body 511 by being pierced by procapsid 1, and preceding stopping surface 514 is with before
1 block of shell cooperates, then back casing 2 is sleeved on to the outside of quick terminal forming component 5 from back to front, when installing, in rear stopping surface
Elasticity is pressed with pressure spring 6 between 58 and back casing 2, and quick terminal forming component 5 is pressed against on procapsid 1.Then, it is reloaded into tail folder
4 and nut 3.
On field splicing, field optical fibers are penetrated in field optical fibers perforation 542, so that field optical fibers and preformed fibers 513
Docking, then, with briquetting 56 and the fixed field optical fibers of elastic clip 57.
In the present embodiment, butt tube can be closed silent casing, or such as the split coupling of C-shaped pipes.
In the present embodiment, installation set, briquetting and elastic clip have collectively constituted pressing component, pressing component light on site relatively
Fine lock pin body fixed and arranged, in other embodiments, pressing component can exist independently of field optical fibers lock pin body, will be pressed group
Part is mounted on back casing.
In other embodiments, at least one of field optical fibers lock pin body and preformed fibers lock pin body can be with butt tubes
It is fixed non-disconnectable connected, such as gluing.
Claims (8)
1. a kind of field optical fibers connector, the quick terminal forming component including shell and setting inside the shell, it is characterised in that: fast
Rapid-result end component includes the adapter pin that the preformed fibers being embedded in inserting core structure by inserting core structure and in advance are constituted, fast terminating group
Part further includes the field optical fibers lock pin body axially docked with inserting core structure edge and is fixedly set in inserting core structure and field optical fibers
Butt tube outside lock pin body, the butt tube are silent casing or split coupling, be equipped in field optical fibers lock pin body with it is described
The coaxially arranged front end for field optical fibers of preformed fibers penetrates the field optical fibers perforation docked afterwards with preformed fibers, the shell
It is interior to be equipped with pressing component relatively fixed with the field optical fibers lock pin body and for fixed press fitting preformed fibers rear end.
2. field optical fibers connector according to claim 1, it is characterised in that: preset in field optical fibers perforation
With cream.
3. field optical fibers connector according to claim 1, it is characterised in that: the field optical fibers lock pin body and lock pin knot
At least one of structure is removable assigned in the butt tube.
4. field optical fibers connector according to claim 1 or 2 or 3, it is characterised in that: the pressing component includes fixing
The installation set of fiber stub body rear end at the scene, the interior installation for being equipped with perforation corresponding with field optical fibers perforation of the installation set
Set perforation, the installation set is equipped with perforates the briquetting mounting groove that intersect with installation set, in briquetting mounting groove it is removable match it is useful
In by the part press fitting of the exposed field optical fibers in briquetting mounting groove, in the briquetting in installation set, the briquetting is by being set in
Elastic clip in installation set presses on optical fiber on site.
5. field optical fibers connector according to claim 1 or 2 or 3, it is characterised in that: inserting core structure includes lock pin shell
It is threaded onto lock pin shell intracorporal one or spaced apart two preformed fibers lock pin body with fixing, it is pre- in preformed fibers lock pin body
It is embedded with the preformed fibers.
6. field optical fibers connector according to claim 5, it is characterised in that: in two interval cloth on the lock pin shell
The interval for the preformed fibers lock pin body set offers dispensing hole.
7. field optical fibers connector according to claim 5, it is characterised in that: the lock pin shell is described with being set in
The rear suit section of butt tube front end, quick terminal forming component further include front end sleeve loaded on outside the rear suit section and positioned at described right
The docking tube protecting sleeve of adapter tube radially outer.
8. field optical fibers connector according to claim 7, it is characterised in that: the rear end of the docking tube protecting sleeve is backward
The butt tube is protruded from, the rear end for docking tube protecting sleeve is equipped with for cooperating with the rear end face block of butt tube to prevent
The block turn edge that butt tube is deviate from backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953580.4A CN110174731A (en) | 2018-08-21 | 2018-08-21 | A kind of field optical fibers connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953580.4A CN110174731A (en) | 2018-08-21 | 2018-08-21 | A kind of field optical fibers connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110174731A true CN110174731A (en) | 2019-08-27 |
Family
ID=67688961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810953580.4A Pending CN110174731A (en) | 2018-08-21 | 2018-08-21 | A kind of field optical fibers connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110174731A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399133A (en) * | 2020-04-23 | 2020-07-10 | 中航光电科技股份有限公司 | L C fiber connector and lock pin assembly thereof |
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| CN202362492U (en) * | 2011-08-19 | 2012-08-01 | 朱文宾 | Connector for rapid fiber connector |
| CN102830467A (en) * | 2012-09-13 | 2012-12-19 | 武汉光迅科技股份有限公司 | High return loss attenuation-adjustable connector |
| CN203164472U (en) * | 2013-02-25 | 2013-08-28 | 潮州三环（集团）股份有限公司 | Movable optical fiber connector assembly with capability of light reflection |
| CN105629393A (en) * | 2016-01-21 | 2016-06-01 | 施明博 | SC-type optical fiber connector |
| CN106990485A (en) * | 2017-05-26 | 2017-07-28 | 深圳市飞博康光通讯技术有限公司 | A kind of pre-buried optical fiber quick connector |
| CN206741038U (en) * | 2017-05-26 | 2017-12-12 | 深圳市飞博康光通讯技术有限公司 | A kind of pre-buried optical fiber quick connector |
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2018
- 2018-08-21 CN CN201810953580.4A patent/CN110174731A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201408274Y (en) * | 2009-04-24 | 2010-02-17 | 深圳威谊光通技术有限公司 | Pre-buried optical fiber connector |
| JP2011175069A (en) * | 2010-02-24 | 2011-09-08 | Kyocera Corp | Optical sleeve and optical receptacle |
| CN102269848A (en) * | 2011-08-19 | 2011-12-07 | 朱文宾 | Connector for rapid optical fiber connector |
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| CN102830467A (en) * | 2012-09-13 | 2012-12-19 | 武汉光迅科技股份有限公司 | High return loss attenuation-adjustable connector |
| CN203164472U (en) * | 2013-02-25 | 2013-08-28 | 潮州三环（集团）股份有限公司 | Movable optical fiber connector assembly with capability of light reflection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111399133A (en) * | 2020-04-23 | 2020-07-10 | 中航光电科技股份有限公司 | L C fiber connector and lock pin assembly thereof |
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