CN104991313A - Tensile structure of optical fiber connector - Google Patents
Tensile structure of optical fiber connector Download PDFInfo
- Publication number
- CN104991313A CN104991313A CN201510361160.3A CN201510361160A CN104991313A CN 104991313 A CN104991313 A CN 104991313A CN 201510361160 A CN201510361160 A CN 201510361160A CN 104991313 A CN104991313 A CN 104991313A
- Authority
- CN
- China
- Prior art keywords
- fixing sleeve
- internal fixtion
- tensile structure
- optical fiber
- aramid fiber
- 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
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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
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The present invention relates to a tensile structure of an optical fiber connector, comprising a body used for being fixed in a sleeve of the optical fiber connector during use, wherein the body comprises an inner fixing sleeve of which an axis extends along a front-rear direction and an outer fixing sleeve covering the periphery of the inner fixing sleeve, the inner fixing sleeve has an inner bore through which an optical fiber and an aramid fiber of an optical cable can pass along the front-rear direction, a loading gap which has a forward opening and is used for loading of the everted aramid fiber from the front to the rear is provided between the inner fixing sleeve and the outer fixing sleeve, and the inner fixing sleeve and/or the outer fixing sleeve can be a crimping sleeve which can deform after crimping so that the inner fixing sleeve and the outer fixing sleeve tightly clamp the everted aramid fiber. The tensile structure of the present invention solves the problem that the assembling period of a connector product is long as a curing period of a filled colloid is long in the prior art.
Description
Technical field
The present invention relates to a kind of tensile structure of the joints of optical fibre.
Background technology
Cable assembly comprises optical cable and is arranged at the joints of optical fibre of end of cable, the existing joints of optical fibre are as shown in Figure 1: these joints of optical fibre comprise sleeve 1 and are fixed on the bonding cover 2 in sleeve, during use, the front end of optical cable passes by the endoporus of bonding cover, optical fiber 4 in optical cable and aramid fiber are fixed in bonding cover by encapsulating body 3s, so just can be realized the tension of optical cable by bonding cover.Existingly thisly realize that following problem is existed to the tensile structure of optical cable tensile by bonding cover and encapsulating body: the cure cycle of encapsulating body is long, generally needs within 1-2 days, just to complete the solidification of encapsulating body, therefore makes the assembly period of whole product longer; Due to optical fiber frangibility, therefore need to ensure that optical fiber has longer free pendulous tank when assembling thus ensures activity space, but optical fiber, aramid fiber are together fixed in bonding cover in prior art, therefore also need to arrange the longer free pendulous tank of optical fiber outside bonding cover, cause the entire length of connector longer.
Summary of the invention
The object of the present invention is to provide a kind of tensile structure of the joints of optical fibre, to solve in prior art the problem causing the connector Product Assembly cycle long because encapsulating body cure cycle is long.
In order to solve the problem, technical scheme of the present invention is:
The tensile structure of the joints of optical fibre, comprise the body for being fixed in use in the sleeve of the joints of optical fibre, body comprises the internal fixtion cover that axis extends along the longitudinal direction and the fixed sleeves being sheathed on internal fixtion cover periphery, internal fixtion cover has the endoporus supplying the optical fiber of described optical cable and aramid fiber to pass along the longitudinal direction, have the loading gap that opening aramid fiber confession turning up forward loads from front to back between inside and outside fixed cover, internal fixtion cover and/or fixed sleeves make the pressure welding case of the aramid fiber turned up described in the clamping of inside and outside fixed cover for crimping distortion.
There is between the hole wall of the endoporus of described internal fixtion cover and described optical fiber the radial play for optical fibre.
The wall thickness of fixed sleeves is less than the wall thickness of described internal fixtion cover.
Beneficial effect of the present invention is: in use, pass in the endoporus that the optical fiber of optical cable and aramid fiber are overlapped by internal fixtion along the longitudinal direction, then being turned up by the aramid fiber of internal fixtion cover front side makes in aramid fiber extending into from front to back, in loading gap between fixed sleeves, then internally fixed cover and/or fixed sleeves crimping, in, fixed sleeves clamps the aramid fiber that turns up thus to realize between tensile structure and aramid fiber fixing, during use, the body of tensile structure is fixed on sleeve, finally can realize the tension to optical cable, owing to taking between tensile structure with aramid fiber to crimp fixed form, do not need encapsulating, therefore can realize making line fast, solve in prior art the problem causing the connector Product Assembly cycle long because encapsulating body cure cycle is long.
Further, there is between the hole wall of the endoporus of internal fixtion cover and optical fiber the radial play for optical fibre, that is the activity that optical fiber namely can be suitable in the endoporus of inner sleeve is broken to prevent optical fiber pack, therefore just can reduce the free pendulous tank of optical fiber on front side of tensile structure, thus reduce the length dimension of whole connector.
Accompanying drawing explanation
Fig. 1 is the structural representation of background technology in the present invention;
Fig. 2 is the using state figure of one embodiment of the present of invention.
Embodiment
The embodiment of the tensile structure of the joints of optical fibre is as shown in Figure 2: be fixed on the body in the sleeve of the joints of optical fibre when tensile structure comprises use, tensile structure comprises internal fixtion cover 3 that axis extends along the longitudinal direction and is sheathed on the fixed sleeves 4 that internal fixtion overlaps 3 peripheries, internal fixtion cover 3 has the endoporus supplying the optical fiber of optical cable and aramid fiber to pass along the longitudinal direction, in, there is between fixed sleeves the loading gap that the opening aramid fiber 2 confession turning up forward loads from front to back, internal fixtion cover and fixed sleeves are the pressure welding case that radially can crimp distortion, there is between the hole wall of the endoporus of internal fixtion cover 3 and optical fiber 14 radial play 13 for optical fibre, the wall thickness of fixed sleeves 4 is less than the wall thickness of internal fixtion cover 3, therefore in crimping process, only need crimp fixed sleeves 4, fixed sleeves distortion is larger, internal fixtion cover allows slight distortion, but there will not be moderate finite deformation, thus ensure that the radial play between the hole wall of the endoporus of internal fixtion cover and optical fiber exists all the time, ensure that optical fiber can active bending in internal fixtion cover.
Tensile structure is needed to be assembled on the joints of optical fibre in use, the joints of optical fibre comprise the sleeve 1 extended along the longitudinal direction, sleeve is provided with the fixed sturcture realizing being fixed the body of tensile structure, fixed sturcture comprise block direction that the front end face that turned edge by annular forms forward before stopping surface, front stopping surface and interior, in the rear end face block of fixed sleeves coordinates and limits, fixed sleeves moves backwards, fixed sturcture also comprises radially spinning and hold out against screw for what hold out against fixed sleeves on sleeve, figure middle term 12 represents the screw hole for holding out against screw spinning.Annular turn edge 11 rear end face form block direction rear stopping surface backwards, the rear side that sleeve 1 turns edge in annular is installed with set nut 9, the O-ring seal 10 being provided with and being located at for sealing shroud on optical cable 15 is pushed up between set nut and rear stopping surface, the inner peripheral surface of O-ring seal forms the seal convexity 5 for realizing optical cable sealing by two ring-shaped grooves 6, the degree of depth of position ring-shaped groove is rearward more shallow, can ensure that rear side seal convexity has relatively large radial-deformation like this, thus realize better sealing optical cable.Figure middle term 16 represents that the oversheath of optical cable is had one's hair trimmed place.
When making line, make to cut off in the endoporus that the optical fiber of oversheath and aramid fiber overlap by internal fixtion along the longitudinal direction and pass, the aramid fiber turned up on front side of tensile structure, make in the aramid fiber that turns up being encased in from front to back, in loading gap between fixed sleeves, then fixed sleeves radial direction is exerted pressure, fixed sleeves clamps aramid fiber together with being out of shape and overlapping with internal fixtion, so just achieve the connection of aramid fiber and tensile structure, then tensile structure is loaded in sleeve, until in, the rear end of fixed sleeves is by front stopping surface block, then screw on and hold out against screw, hold out against screw and mainly can prevent tensile structure play forward, so just achieve the connection between sleeve and tensile structure, finally to screw on set nut, complete and make line, do line process simple and convenient, it is short to do the line cycle, due to can be movable to prevent from fractureing in the endoporus that optical fiber overlaps at internal fixtion, the free pendulous tank of the optical fiber on front side of reduction tensile structure that therefore can be suitable, thus the length of whole connector can be reduced.In other embodiment of these joints of optical fibre: the thickness of internal fixtion cover also can be thinner, and now inside and outside fixed cover is pressure welding case, as long as ensure that the distortion of internal fixtion cover can not produce excessive impact to radial play; The thickness of certain fixed sleeves also can be thinner than the thickness of internal fixtion cover, and now internal fixtion cover is pressure welding case; Fixed sleeves can also be the pressure welding case being made fixed sleeves clamp aramid fiber by axial pressure; Hold out against screw can also be arranged at jump ring on front side of tensile structure and replace, jump ring is arranged on the inner hole wall of sleeve, and jump ring coordinates with outer sleeve block and limits jump ring and move forward, and certain annular turns edge the jump ring replacement that also can be arranged on rear side of tensile structure; The rear end of inside and outside fixed cover can also one connect.
Claims (3)
1. the tensile structure of the joints of optical fibre, comprise the body for being fixed in use in the sleeve of the joints of optical fibre, it is characterized in that: body comprises the internal fixtion cover that axis extends along the longitudinal direction and the fixed sleeves being sheathed on internal fixtion cover periphery, internal fixtion cover has the endoporus supplying the optical fiber of described optical cable and aramid fiber to pass along the longitudinal direction, in, there is between fixed sleeves the loading gap that opening aramid fiber confession turning up forward loads from front to back, internal fixtion cover and/or fixed sleeves are for crimping distortion and in making, the pressure welding case of the aramid fiber turned up described in fixed sleeves clamping.
2. tensile structure according to claim 1, is characterized in that: have the radial play for optical fibre between the hole wall of the endoporus of described internal fixtion cover and described optical fiber.
3. tensile structure according to claim 1 and 2, is characterized in that: the wall thickness of fixed sleeves is less than the wall thickness of described internal fixtion cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510361160.3A CN104991313A (en) | 2015-06-28 | 2015-06-28 | Tensile structure of optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510361160.3A CN104991313A (en) | 2015-06-28 | 2015-06-28 | Tensile structure of optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104991313A true CN104991313A (en) | 2015-10-21 |
Family
ID=54303148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510361160.3A Pending CN104991313A (en) | 2015-06-28 | 2015-06-28 | Tensile structure of optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104991313A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381796A (en) * | 2017-03-08 | 2019-10-25 | 索尼奥林巴斯医疗解决方案公司 | The method of Medical Devices and manufacture Medical Devices |
| CN111208610A (en) * | 2020-01-21 | 2020-05-29 | 南京续点通信科技有限公司 | Winding type optical cable fastening device, optical fiber connector and fastening method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5363459A (en) * | 1993-01-15 | 1994-11-08 | The Whitaker Corporation | Optical fiber connector including a biasing means in housing |
| JPH0961667A (en) * | 1995-08-29 | 1997-03-07 | Hirose Electric Co Ltd | Plug caulking jig for optical fiber cord |
| CN201210190Y (en) * | 2008-02-25 | 2009-03-18 | 中航光电科技股份有限公司 | Optic cable transmission line deconcentrator and deconcentrating structure using the same |
| CN201229423Y (en) * | 2008-06-23 | 2009-04-29 | 中航光电科技股份有限公司 | Fiber optic cable connector for accessing equipment |
| CN103424815A (en) * | 2012-05-25 | 2013-12-04 | 矢崎总业株式会社 | Optical connector |
-
2015
- 2015-06-28 CN CN201510361160.3A patent/CN104991313A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5363459A (en) * | 1993-01-15 | 1994-11-08 | The Whitaker Corporation | Optical fiber connector including a biasing means in housing |
| JPH0961667A (en) * | 1995-08-29 | 1997-03-07 | Hirose Electric Co Ltd | Plug caulking jig for optical fiber cord |
| CN201210190Y (en) * | 2008-02-25 | 2009-03-18 | 中航光电科技股份有限公司 | Optic cable transmission line deconcentrator and deconcentrating structure using the same |
| CN201229423Y (en) * | 2008-06-23 | 2009-04-29 | 中航光电科技股份有限公司 | Fiber optic cable connector for accessing equipment |
| CN103424815A (en) * | 2012-05-25 | 2013-12-04 | 矢崎总业株式会社 | Optical connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381796A (en) * | 2017-03-08 | 2019-10-25 | 索尼奥林巴斯医疗解决方案公司 | The method of Medical Devices and manufacture Medical Devices |
| CN111208610A (en) * | 2020-01-21 | 2020-05-29 | 南京续点通信科技有限公司 | Winding type optical cable fastening device, optical fiber connector and fastening method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151021 |