CN204855871U - Can repeated dismantlement formula fiber connector - Google Patents

Can repeated dismantlement formula fiber connector Download PDF

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Publication number
CN204855871U
CN204855871U CN201520490767.7U CN201520490767U CN204855871U CN 204855871 U CN204855871 U CN 204855871U CN 201520490767 U CN201520490767 U CN 201520490767U CN 204855871 U CN204855871 U CN 204855871U
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China
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spring
shell body
plug
hole
guidepost
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CN201520490767.7U
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Chinese (zh)
Inventor
张承
高泽仁
谢飞
范晶晶
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CETC 8 Research Institute
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CETC 8 Research Institute
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Abstract

The utility model provides a can repeated dismantlement formula fiber connector, including socket connector and the plug connector corresponding with the socket connector, the socket connector includes the shell body, the check ring, and the optical cable, the spring, fiber optic pin and end cap, fiber optic pin's one end is connected with the optical cable, fiber optic pin passes through spring and shell body and floats and be connected, the check ring sets up in the afterbody of shell body, check ring and shell body fixed connection, be equipped with the through -hole that supplies fiber optic pin to pass along the axial on the check ring, be equipped with the centre bore that supplies the optical cable to pass in the middle of the end cap, the centre bore diameter can pass the optical cable and nevertheless be less than the spring external diameter, the diameter of spring is less than the diameter of through -hole, check ring and end cap are through dismantling rotatory bayonet coupling. The utility model discloses fiber connector can realize random dismantlement of arbitrary light path subassembly and installation, and simple quick, does not influence the normal operating of other light paths.

Description

One can the repeated removal formula joints of optical fibre
Technical field
The utility model relates to technical field of optical fiber communication, and especially relating to one can the repeated removal formula joints of optical fibre.
Background technology
The joints of optical fibre are more and more applied in every field as the requisite part of optical fiber communication, and at present, the kind of joints of optical fibre product is more on the market, by connector shell body encapsulating material have plastics and metal point.Machinery, the environmental suitability of plastic connector are poor, can not meet military requirements, and single core plastic connector has SC type, LC type etc., and 2 core plastic connectors have MT-RJ type etc.The optical connector of metal shell encapsulation can meet military particular surroundings requirement, single core metal connector common are FC type, ST type etc., and the shell body of multicore metal connector generally selects the standard of American Standard 38999 series (GJB599 series) electric connector.
For existing two core fibre connectors as depicted in figs. 1 and 2, comprise socket connector and the pin connector corresponding with socket connector, socket connector comprises shell body 1 ', spring collar 2 ', optical cable 3 ', spring 4 ' and optical fiber contact pins 5 ', with the optical fiber contact pins 5 ' of optical cable 3 ' by spring 4 ' and shell body 1 ' floating connection, can to float coupling when ensureing Fiber connection, spring collar 2 ' is provided with between spring 4 ' and shell body 1 ', spring collar 2 ' is fixedly connected with by screw 6 ' with shell body 1 ', spring collar 2 ' centre is provided with the through hole passed for optical fiber contact pins 5 ', optical fiber contact pins 5 ' the spring 4 ' be under impaction state is fixed in the middle pilot hole of shell body 1 '.
In said structure, spring collar ensure that optical fiber contact pins high consistency, also there is certain anti-vibration, impact property, but after this structure installment completes, once there is optical fibre damage, changing can be very difficult, needs overall being unloaded by spring collar, change and damage light path, such operation seem simply in fact affect very large.First the optical fiber contact pins that unloading spring collar can affect other light paths plugs together state, other light paths cannot normally work, a light path is damaged, other normal optical-fibre channel is also forced to disconnect, traditional joints of optical fibre cannot be used in the operating environment needing high-efficiency and continuous, and spring collar also can affect the switching performance of other light path after reinstalling, and just can use after needing again to debug, workload is large, uncertain high.
In addition, joints of optical fibre installation difficulty in said structure is large, after being furnished with the optical fiber contact pins insertion pilot hole of spring, spring collar holddown spring, spring compression optical fiber contact pins, for optical fiber contact pins provides pretightning force, optical fiber contact pins is floated and is arranged in pilot hole, spring collar is connected on connector shell.Optical fiber contact pins, spring, spring collar installation process are carried out in one very narrow space, be only suitable for one man operation, mounting spring back-up ring installs trip bolt after needing manual Compress Spring, when the joints of optical fibre for multicore are installed, spring stress is uneven, deviation may cause spring to be subject to lateral forces a little, as easy as rolling off a log distortion and the irregular movement causing spring, causes installation process to carry out.
Utility model content
For above-mentioned technical matters, under the condition not changing connector ectosome and guarantee joints of optical fibre optical property, mechanical property and environmental performance, it is little that the utility model provides a kind of installation difficulty, can the handling of single core, and cargo handling process simple, reliable and there is independence can the repeated removal formula joints of optical fibre.
The technical solution adopted in the utility model is:
One can the repeated removal formula joints of optical fibre, comprise socket connector and the pin connector corresponding with socket connector, described socket connector comprises shell body, spring collar, optical cable, spring and optical fiber contact pins, described optical fiber contact pins is provided with the axle collar, one end of described optical fiber contact pins is connected with described optical cable, described optical fiber contact pins is by described spring and described shell body floating connection, described spring collar is arranged in the afterbody of described shell body, described afterbody is annular, described spring collar is fixedly connected with described shell body, described spring collar is provided with vertically the through hole passed for optical fiber contact pins, described socket connector also comprises plug, the center pit passed for optical cable is provided with in the middle of described plug, the diameter of described center pit can pass described optical cable but be less than described spring outer diameter, the diameter of described spring is less than the diameter of described through hole, described plug is provided with Access Division, described spring collar is provided with the snap-fit engagement portion that rotary bayonet formula detachable with described Access Division is connected.
Described in the utility model can the repeated removal formula joints of optical fibre, wherein, described Access Division is several guideposts being arranged on plugged end outer, described guidepost is evenly distributed in outside described plugged end, described snap-fit engagement portion comprises the gathering sill corresponding with described guidepost, chute and pickup groove, described gathering sill is along on the sidewall being axially disposed within described through hole of through hole, the number of described gathering sill and the identical of described guidepost, periphery along described through hole is provided with the described chute that described guidepost is pivoted, one end of described chute and one end of described gathering sill are connected, the other end of described chute being axially arranged with fixing and holding the described pickup groove of described guidepost along described through hole.
Described in the utility model can the repeated removal formula joints of optical fibre, wherein, described plug is cylindrical.
Described in the utility model can the repeated removal formula joints of optical fibre, wherein, described guidepost number is 2 ~ 6.
Described in the utility model can the repeated removal formula joints of optical fibre, wherein, described guidepost number is 2, and described pickup groove is arranged on 90 DEG C, one end place away from described pickup groove apart from described chute.
Described in the utility model can the repeated removal formula joints of optical fibre, wherein, described spring collar is fixedly connected with by screw with described shell body.
What the utility model provided can the repeated removal formula joints of optical fibre, under connector plugs together state, because mounting spring back-up ring does not need the participation of optical path component, when light path is damaged, only need dismantle the plug supporting with it, complete the spinning off from housing and back-up ring of optical path component damaged, can carry out rapidly ressembling after optical path component after changing and make to install easily, convenient disassembly, any optical path component can be realized arbitrarily dismantle and install, and simple and quick, do not affect the normal operation of other light paths, the function that repeated removal is installed can be realized.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing fiber connector;
Fig. 2 is the cut-open view along A-A line in Fig. 1;
Fig. 3 is that the utility model can the structural representation of plug in the repeated removal formula joints of optical fibre;
Fig. 4 is that the utility model can the structural representation of spring collar in the repeated removal formula joints of optical fibre;
Fig. 5 is that the utility model can spring collar and shell body connection diagram in the repeated removal formula joints of optical fibre;
Fig. 6 is that the utility model can spring collar and plug connection diagram in the repeated removal formula joints of optical fibre;
Fig. 7 is that the utility model can the partial structurtes schematic diagram of the repeated removal formula joints of optical fibre;
Fig. 8 is that the utility model can the one-piece construction schematic diagram of the repeated removal formula joints of optical fibre;
Fig. 9 is that the utility model can optical path component schematic diagram in the repeated removal formula joints of optical fibre.
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail.
Embodiment
As Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, shown in Fig. 8 and Fig. 9, one can the repeated removal formula joints of optical fibre, comprise socket connector and the pin connector corresponding with socket connector, described socket connector comprises shell body 1, spring collar 2, optical cable 3, spring 4, optical fiber contact pins 5 and plug 6, optical fiber contact pins 5 is provided with the axle collar 51, one end of optical fiber contact pins 5 is connected with optical cable 3, optical fiber contact pins 5 is by spring 4 and shell body 1 floating connection, spring collar 2 is cylindrical, spring collar 2 is arranged in the afterbody of shell body 1, described afterbody is annular, spring collar 2 is fixedly connected with shell body 1 by screw, the through hole 21 spring collar 2 being provided with vertically bolt hole 22 and passing for optical fiber contact pins 5, the diameter of spring 4 is less than the diameter of through hole 21, spring 4 arbitrarily can enter through hole 21 from one end of spring collar 2, the center pit 62 passed for optical cable 3 is provided with in the middle of plug 6, described center pit 62 diameter can pass optical cable 3 but be less than spring 4 external diameter, plug 6 is provided with Access Division, and described Access Division is several guideposts 61 being arranged on outer, plug 6 end, has 2 guideposts 61 in the present embodiment, is evenly distributed in outside plug 6 end, the number of guidepost 61 can be set to other numbers according to actual conditions, as 3 ~ 6, plug 6 is cylindrical, described spring collar 2 is provided with the snap-fit engagement portion that rotary bayonet formula detachable with guidepost 61 is connected, described snap-fit engagement portion comprises the gathering sill 211 corresponding with guidepost 61, chute 212 and pickup groove 213, gathering sill 211 is axially disposed within the sidewall of through hole 21 along through hole 21, the number of gathering sill 211 is identical with the guidepost 61 on plug 6, periphery along through hole 21 is provided with the chute 212 that guidepost 61 is pivoted, chute 212 is circular groove, one end of chute 212 and one end of gathering sill 211 are connected, the other end of chute 212 being axially arranged with fixing and holding the pickup groove 213 of guidepost 61 along through hole 21, pickup groove 213 is arranged on 90 DEG C, one end place away from pickup groove 213 of distance gathering sill 211.
The one that the present embodiment provides can be applied to field of aerospace by the repeated removal formula joints of optical fibre, and joints of optical fibre core number is generally 2 cores, 4 cores and 8 cores etc., and shell body 1 adopts American Standard 38999 series.
The present embodiment can the installation and removal process of plug and spring collar in the repeated removal formula joints of optical fibre: as shown in Figure 6, plug 6 is coordinated with gathering sill 211 by guidepost 61, after being inserted into certain depth, 90-degree rotation, be inserted in pickup groove 213, pickup groove 213 controls plug 6 and can not pivot, and by extruding to coordinate with one end of spring 4, plug 6 axially can not be moved, this completes the installation of plug 6.Axial push-tight plug 6 when needing to dismantle, make guidepost 61 leave the rear 90-degree rotation of pickup groove 213, guidepost 61 gets back to gathering sill 211 position, and pull-out plug 6, completes dismounting.
The present embodiment can the principle of work of the repeated removal formula joints of optical fibre:
The optical path component that plug 6 and optical fiber contact pins 5, spring 4, optical cable 3 form as shown in Figure 9, plug 6 center-hole diameter can pass optical cable 3 but be less than spring 4 external diameter, spring 4 can arbitrarily enter spring collar 2, plug 6 after assembling with spring collar 2 by plug 6 end face Compress Spring 4, spring 4 pressed fiber contact pin 5, optical fiber contact pins 5 floats and is arranged in the pilot hole of shell body 1, reaches the installation effect of conventional fiber optic connectors.
When light path is damaged, only need dismantle the plug supporting with it, complete the spinning off from housing and back-up ring of optical path component of damage, can ressemble rapidly after optical path component after changing, this process used time is extremely short, and does not affect the normal operation of other light paths.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.

Claims (6)

1. one kind can the repeated removal formula joints of optical fibre, comprise socket connector and the pin connector corresponding with socket connector, described socket connector comprises shell body (1), spring collar (2), optical cable (3), spring (4) and optical fiber contact pins (5), described optical fiber contact pins (5) is provided with the axle collar (51), one end of described optical fiber contact pins (5) is connected with described optical cable (3), described optical fiber contact pins (5) is by described spring (4) and described shell body (1) floating connection, it is characterized in that: described spring collar (2) is arranged in the afterbody of described shell body (1), described afterbody is annular, described spring collar (2) is fixedly connected with described shell body (1), described spring collar (2) is provided with vertically the through hole (21) passed for optical fiber contact pins (5), described socket connector also comprises plug (6), the center pit (62) passed for optical cable (3) is provided with in the middle of described plug (6), described center pit (62) diameter can pass described optical cable (3) but be less than described spring (4) external diameter, the diameter of described spring (4) is less than the diameter of described through hole (21), described plug (6) is provided with Access Division, described spring collar (2) is provided with the snap-fit engagement portion that rotary bayonet formula detachable with described Access Division is connected.
2. according to claim 1 can the repeated removal formula joints of optical fibre, it is characterized in that: described Access Division is for being arranged on several guideposts (61) of plug (6) outer, end, described guidepost (61) is evenly distributed in outside described plug (6) end, described snap-fit engagement portion comprises the gathering sill (211) corresponding with described guidepost (61), chute (212) and pickup groove (213), described gathering sill (211) is along on the sidewall being axially disposed within described through hole (21) of through hole (21), the number of described gathering sill (211) and the identical of described guidepost (61), periphery along described through hole (21) is provided with the described chute (212) that described guidepost (61) is pivoted, one end of described chute (212) and one end of described gathering sill (211) are connected, the other end of described chute (212) being axially arranged with fixing and holding the described pickup groove (213) of described guidepost (61) along described through hole (21).
3. according to claim 1 can the repeated removal formula joints of optical fibre, it is characterized in that: described plug (6) is cylindrical.
4. according to claim 2 can the repeated removal formula joints of optical fibre, it is characterized in that: described guidepost (61) number is 2 ~ 6.
5. according to claim 4 can the repeated removal formula joints of optical fibre, it is characterized in that: described guidepost (61) number is 2, described pickup groove (213) is arranged on 90 DEG C, one end place away from described pickup groove (213) apart from described chute (212).
6. according to claim 1-5 any one can the repeated removal formula joints of optical fibre, it is characterized in that: described spring collar (2) is fixedly connected with by screw with described shell body (1).
CN201520490767.7U 2015-07-07 2015-07-07 Can repeated dismantlement formula fiber connector Active CN204855871U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108562976A (en) * 2018-03-31 2018-09-21 深圳市创鑫激光股份有限公司 High power laser light coupler and its assembly method
CN109143483A (en) * 2017-06-28 2019-01-04 中航光电科技股份有限公司 Integrating optical fiber connector and its plug casing, Socket casing, housing unit
CN110119008A (en) * 2019-05-28 2019-08-13 四川六九一二科技有限公司 Fiber optic connector
CN113281851A (en) * 2021-05-19 2021-08-20 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) High-density module box type full-optical LRM connector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109143483A (en) * 2017-06-28 2019-01-04 中航光电科技股份有限公司 Integrating optical fiber connector and its plug casing, Socket casing, housing unit
CN108562976A (en) * 2018-03-31 2018-09-21 深圳市创鑫激光股份有限公司 High power laser light coupler and its assembly method
CN110119008A (en) * 2019-05-28 2019-08-13 四川六九一二科技有限公司 Fiber optic connector
CN110119008B (en) * 2019-05-28 2024-02-02 四川六九一二科技有限公司 Optical fiber coupler
CN113281851A (en) * 2021-05-19 2021-08-20 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) High-density module box type full-optical LRM connector

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