CN202886645U - Multi-core fiber connector - Google Patents
Multi-core fiber connector Download PDFInfo
- Publication number
- CN202886645U CN202886645U CN201220460791.2U CN201220460791U CN202886645U CN 202886645 U CN202886645 U CN 202886645U CN 201220460791 U CN201220460791 U CN 201220460791U CN 202886645 U CN202886645 U CN 202886645U
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- plug
- spring
- insertion core
- ceramic insertion
- casing
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Abstract
The utility model discloses a multi-core fiber connector, comprising a plug assembly and a socket assembly. The plug assembly comprises an insulation casing, a plurality of plug and ferrule assemblies; each plug and ferrule assembly comprises a ceramic ferrule seat, a spring, a spring backstop, a ceramic ferrule and a ceramic sleeve; the socket assembly comprises an insulation casing and a plug seat and ferrule assembly; the multi-core fiber connector is characterized in that in the plug assembly, each plug and ferrule assembly is sleeved by an outer spring, the front end of the plug and ferrule assembly is provided with a plug front housing is provided with a plug front housing, the front end of the plug front housing is sleeved outside of the ceramic sleeve, the tail end of the plug front housing is connected with the spring backstop, the spring backstop and the outer rim of the plug front housing are respectively provided with annular projections, and the outer spring is arranged between the annular projections at two sides. According to the utility model, each plug and ferrule assembly is sleeved by the outer spring, the axial and radial floating of the plug front housings and internal parts is realized, and insertion loss and echo loss are prevented.
Description
Technical field
The utility model relates to a kind of joints of optical fibre, especially a kind of multi-fiber connector.
Background technology
Optical fiber is used for broadband application more and more, comprising voice, video recording and data transmission.Consequently, Networks of Fiber Communications has comprised the interconnection point of many interconnection multifibers.Networks of Fiber Communications also comprises many connection terminals, be used for the optical fiber communication service extension to the user, develop into " Fiber To The Curb " (FTTC), " optical fiber is to enterprise " (FTTB), " fiber-to-the-subscriber " (FTTH), " optical fiber is to the house " (FTTP), the general designation " FTTx ".
The joints of optical fibre, optical fiber with optical fiber between carry out the device that detachable (activity) is connected, it gets up the accurate docking of two end faces of optical fiber, so that being coupled to receive in the optical fiber to greatest extent, the luminous energy of launching fiber output goes, and make because it is got involved optical link and the impact that system causes is reduced to minimum, this is the basic demand of the joints of optical fibre.To a certain extent, the joints of optical fibre have affected reliability and the properties of optical transmission system.The joints of optical fibre are widely used, and are various in style, are divided into single core and multicore (such as MT-RJ) by fiber number; Can be divided into by bindiny mechanism's difference be threaded, push-in type bindiny mechanism, bayonet coupling mechanism, slide-in type bindiny mechanism and pushing self-locking formula connect.
Be to satisfy at a high speed and the needs of high-capacity optical fiber communication system middle-high density and high efficiency interconnection wiring, the multi-core fiber application is more and more extensive, and a plurality of optical fiber components are namely arranged in the plug, from comprising 4,8,12 optical fiber, in addition more.At present, existing multi-fiber connector, such as Chinese utility model patent disclosed " a kind of plugging self-locking quick fiber connector " (CN 202141834 U), be comprised of plug, socket, cable fixer, plug body, jack housing, described plug head becomes the joints of optical fibre with the socket front end to insert group; Be provided with a plurality of ferrule assemblies in the described plug, each ferrule assembly is made of ceramic insertion core and lock pin tailstock, and the lock pin tailstock is sheathed spring and spring backstop successively, and spring backstop and spring offset, and the front end of ceramic insertion core is provided with a ceramic sleeve; Described socket front end is provided with the shoulder hole corresponding with ferrule assembly in the described plug, and ferrule assembly is housed in the shoulder hole, successively sheathed spring and spring backstop on the ferrule assembly, and spring backstop and spring offset.Wherein, the setting of spring for the single ceramic lock pin provides the axial float amount when docking, is guaranteed the reliability that connects.
Yet, because the ferrule assembly quantity that comprises in the multi-core fiber is more and more, when plug docks with socket, each ferrule assembly can cause unavoidably that in mutual docking the docking accuracy between the lock pin is not good, thereby cause ferrule assembly in out-of-alignment situation, apply the grafting acting force, become hard grafting, easily cause insertion loss and the return loss of ceramic insertion core, finally have influence on the data transmission performance after the docking.
Summary of the invention
The utility model purpose provides a kind of multi-fiber connector, by the improvement to structure, makes multi-core fiber be easy to aim at when pegging graft, and it is convenient to peg graft, and enhances product performance.
For achieving the above object, the technical solution adopted in the utility model is: a kind of multi-fiber connector, comprise plug-assembly and jack assemblies, described plug-assembly is by insulation casing, and a plurality of plug ferrule assemblies that are arranged in the insulation casing consist of, and each described plug ferrule assembly comprises the ceramic insertion core seat, be sheathed on the spring of ceramic insertion core base rear end, with the spring backstop that the spring tail end offsets, be arranged at the ceramic insertion core of ceramic insertion core seat front end, be sheathed on the ceramic sleeve in the ceramic insertion core outside; Described jack assemblies is by insulation casing, being arranged at socket ferrule assembly corresponding with described plug ferrule assembly in the insulation casing consists of, in described plug-assembly, be provided with floating space between each described plug ferrule assembly and the described insulation casing, in this floating space, described plug ferrule assembly is arranged with an outer spring outward, described spring backstop perimeter wall is provided with external thread or draw-in groove, described plug ferrule assembly front end is provided with a plug front casing, this plug front casing front end sleeve is located at the described ceramic sleeve outside, external thread or draw-in groove on tail end and the described spring backstop are connected, the outer rim of described spring backstop and plug front casing is respectively equipped with annular protrusion, and described outer spring is arranged between this both sides annular protrusion.
In the technique scheme, on each described plug ferrule assembly an outer spring is set all, in the floating space of this outer spring between plug ferrule assembly and insulation casing, thereby make each plug ferrule assembly obtain degree of freedom radially movable in floating space, has simultaneously the axial freedom of movement that obtains behind the compression outer spring, therefore, in the utility model, when plug-assembly and jack assemblies grafting assembling, both be that error appears in plug ferrule assembly and socket ferrule assembly when pegging graft, also can provide amount of floating by outer spring, thereby improve switching performance, avoid insertion loss and return loss.
In the technique scheme, described jack assemblies is by insulation casing, being arranged at socket ferrule assembly corresponding with described plug ferrule assembly in the insulation casing consists of, each described socket ferrule assembly comprises the ceramic insertion core seat, be sheathed on the spring of ceramic insertion core base rear end, with the spring backstop that the spring tail end offsets, be arranged at the ceramic insertion core of ceramic insertion core seat front end; Described spring backstop front outer is provided with external thread, the described ceramic insertion core outside is arranged with a socket front casing, this socket front casing tail end is threaded with described spring backstop, front end extends to outside the described ceramic insertion core, and described socket front casing front end inner chamber is pegged graft with described plug front casing perimeter wall and cooperated.
Further technical scheme is, described socket front casing front port is provided with bell guide, and the portlet of this bell guide is concordant with described ceramic insertion core end.
Above, described socket front casing pegs graft to cooperate with the socket front casing for the plug front casing provides guiding, simultaneously, for the ceramic insertion core in the socket ferrule assembly provides protection, prevents damage.
In the technique scheme, be provided with successively collar and rear packing ring between described spring backstop outer rim annular protrusion and the described outer spring, be provided with front packing ring between described spring and the described plug front casing outer rim annular protrusion.
In the technique scheme, in the described jack assemblies, the front end face of insulation casing is provided with gasket seal, corresponding each the described socket ferrule assembly place of sealing pad, be provided with open-work, described gasket seal front end face matches with the front end face of insulation casing in the described plug-assembly.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1. the utility model all arranges an outer spring on each plug ferrule assembly, in the floating space of this outer spring between plug ferrule assembly and insulation casing, thereby make each plug ferrule assembly obtain degree of freedom radially movable in floating space, has simultaneously the axial freedom of movement that obtains behind the compression outer spring, like this, both be that error appears in plug ferrule assembly and socket ferrule assembly when pegging graft, also can provide amount of floating by outer spring, thereby avoid the ceramic insertion core insertion loss under hard acting force in plug ferrule assembly and the socket ferrule assembly, and the return loss of docking bad generation, the data transfer performance of raising connector;
2. at each socket ferrule assembly front end the socket front casing is set, this socket front casing front end is provided with hydraucone, for cooperating with the grafting of socket front casing, the plug front casing provides guiding, simultaneously, socket front casing front end extends to outside the described ceramic insertion core, for the ceramic insertion core in the socket ferrule assembly provides protection, prevent damage;
3. the insulation casing front end face of jack assemblies is provided with gasket seal, pegs graft when cooperating at jack assemblies and plug-assembly, carries and encircles good sealing property, prevents that dust etc. from entering in the connector, guarantees good switching performance.
Description of drawings
Fig. 1 is the end face structure synoptic diagram of plug-assembly among the utility model embodiment one;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the end face structure synoptic diagram of jack assemblies among the utility model embodiment one;
Fig. 4 is the B-B cut-open view of Fig. 3;
Fig. 5 is the cut-open view after plug-assembly among the utility model embodiment one, jack assemblies are pegged graft.
Wherein: 1, insulation casing; 2, plug ferrule assembly; 3, ceramic insertion core seat; 4, spring; 5, spring backstop; 6, ceramic insertion core; 7, ceramic sleeve; 8, outer spring; 9, plug front casing; 10, collar; 11, rear packing ring; 12, front packing ring; 13, gasket seal; 14, plug-assembly; 21, insulation casing; 22, socket ferrule assembly; 23, ceramic insertion core seat; 24, spring; 25, spring backstop; 26, ceramic insertion core; 27, socket front casing; 28, bell guide; 29, jack assemblies.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one: shown in Fig. 1～5, a kind of multi-fiber connector, comprise plug-assembly 14 and jack assemblies 29, described plug-assembly 14 is by insulation casing 1, and 4 the plug ferrule assemblies 2 that are arranged in the insulation casing 1 consist of, and each described plug ferrule assembly 2 comprises ceramic insertion core seat 3, be sheathed on the spring 4 of ceramic insertion core seat 3 rear ends, with the spring backstop 5 that spring 4 tail ends offset, be arranged at the ceramic insertion core 6 of ceramic insertion core seat 3 front ends, be sheathed on the ceramic sleeve 7 in ceramic insertion core 6 outsides; In described plug-assembly 14, be provided with floating space between each described plug ferrule assembly 2 and the described insulation casing 1, in this floating space, the described plug ferrule assembly 2 outer outer springs 8 that are arranged with, described spring backstop 5 perimeter walls are provided with external thread, described plug ferrule assembly 2 front ends are provided with a plug front casing 9, these plug front casing 9 front end sleeves are located at described ceramic sleeve 7 outsides, external thread on tail end and the described spring backstop 5 is connected, the outer rim of described spring backstop 5 and plug front casing 9 is respectively equipped with annular protrusion, be provided with successively collar 10 and rear packing ring 11 between described spring backstop 5 outer rim annular protrusions and the described outer spring 8, described plug front casing 9 outer rim annular protrusion inboards are provided with front packing ring 12, and described outer spring 8 two ends are butted on respectively front packing ring 12, on the rear packing ring 11.
Shown in Fig. 3,4, described jack assemblies 29 is by insulation casing 21, being arranged at insulation casing 21 interior and described plug ferrule assembly 2 corresponding socket ferrule assemblies 22 consists of, each described socket ferrule assembly 22 comprises ceramic insertion core seat 23, be sheathed on the spring 24 of ceramic insertion core seat 23 rear ends, with the spring backstop 25 that spring 24 tail ends offset, be arranged at the ceramic insertion core 26 of ceramic insertion core seat 23 front ends; Described spring backstop 25 front outers are provided with external thread, described ceramic insertion core 26 outsides are arranged with a socket front casing 27, these socket front casing 27 tail ends are threaded with described spring backstop 25, front end extends to outside the described ceramic insertion core 26, port is provided with bell guide 28, the portlet of this bell guide 28 is concordant with described ceramic insertion core 26 ends, and described socket front casing 27 front end inner chambers are pegged graft with described plug front casing 9 perimeter walls and cooperated.
After peg graft cooperating as shown in Figure 5, in the described jack assemblies 29, the front end face of insulation casing 21 is provided with gasket seal 13, sealing pad 13 corresponding each described socket ferrule assembly 22 place, be provided with open-work, described gasket seal 13 front end faces match with the front end face of insulation casing 1 in the described plug-assembly 14.Peg graft when cooperating at jack assemblies 29 and plug-assembly 14, gasket seal 13 provides good sealing property, prevents that dust etc. from entering in the connector, guarantees good switching performance.
Claims (5)
1. multi-fiber connector, comprise plug-assembly and jack assemblies, described plug-assembly is by insulation casing, the a plurality of plug ferrule assemblies that are arranged in the insulation casing consist of, each described plug ferrule assembly comprises the ceramic insertion core seat, is sheathed on the spring of ceramic insertion core base rear end, the spring backstop that offsets with the spring tail end, be arranged at the ceramic insertion core of ceramic insertion core seat front end, be sheathed on the ceramic sleeve in the ceramic insertion core outside; Described jack assemblies is by insulation casing, being arranged at socket ferrule assembly corresponding with described plug ferrule assembly in the insulation casing consists of, it is characterized in that: in described plug-assembly, be provided with floating space between each described plug ferrule assembly and the described insulation casing, in this floating space, described plug ferrule assembly is arranged with an outer spring outward, described spring backstop perimeter wall is provided with external thread or draw-in groove, described plug ferrule assembly front end is provided with a plug front casing, this plug front casing front end sleeve is located at the described ceramic sleeve outside, external thread or draw-in groove on tail end and the described spring backstop are connected, the outer rim of described spring backstop and plug front casing is respectively equipped with annular protrusion, and described outer spring is arranged between this both sides annular protrusion.
2. multi-fiber connector according to claim 1, it is characterized in that: each described socket ferrule assembly comprises the ceramic insertion core seat, be sheathed on the spring of ceramic insertion core base rear end, with the spring backstop that the spring tail end offsets, be arranged at the ceramic insertion core of ceramic insertion core seat front end; Described spring backstop front outer is provided with external thread, the described ceramic insertion core outside is arranged with a socket front casing, this socket front casing tail end is threaded with described spring backstop, front end extends to outside the described ceramic insertion core, and described socket front casing front end inner chamber is pegged graft with described plug front casing perimeter wall and cooperated.
3. multi-fiber connector according to claim 2, it is characterized in that: described socket front casing front port is provided with bell guide, and the portlet of this bell guide is concordant with described ceramic insertion core end.
4. multi-fiber connector according to claim 1, it is characterized in that: be provided with successively collar and rear packing ring between described spring backstop outer rim annular protrusion and the described outer spring, be provided with front packing ring between described spring and the described plug front casing outer rim annular protrusion.
5. multi-fiber connector according to claim 1 and 2, it is characterized in that: in the described jack assemblies, the front end face of insulation casing is provided with gasket seal, corresponding each the described socket ferrule assembly place of sealing pad, be provided with open-work, described gasket seal front end face matches with the front end face of insulation casing in the described plug-assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220460791.2U CN202886645U (en) | 2012-09-12 | 2012-09-12 | Multi-core fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220460791.2U CN202886645U (en) | 2012-09-12 | 2012-09-12 | Multi-core fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202886645U true CN202886645U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220460791.2U Expired - Lifetime CN202886645U (en) | 2012-09-12 | 2012-09-12 | Multi-core fiber connector |
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| CN (1) | CN202886645U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102819071A (en) * | 2012-09-12 | 2012-12-12 | 苏州瑞可达连接系统有限公司 | Multicore optical fiber connector |
| CN104516061A (en) * | 2014-11-28 | 2015-04-15 | 中航光电科技股份有限公司 | Optical fiber plug module and integrated plug using same |
| CN105044856A (en) * | 2015-06-28 | 2015-11-11 | 中航光电科技股份有限公司 | Optical fiber connector |
| CN105044853A (en) * | 2015-06-28 | 2015-11-11 | 中航光电科技股份有限公司 | Optical fiber contact member part |
| CN105527678A (en) * | 2016-01-21 | 2016-04-27 | 中国电子科技集团公司第二十三研究所 | Optical fiber airtight cabin crossing connector |
| CN106154430A (en) * | 2016-03-31 | 2016-11-23 | 中航光电科技股份有限公司 | Fiber optic connector assembly and Optical fiber plug thereof and fiber-optical socket |
| 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 |
-
2012
- 2012-09-12 CN CN201220460791.2U patent/CN202886645U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102819071A (en) * | 2012-09-12 | 2012-12-12 | 苏州瑞可达连接系统有限公司 | Multicore optical fiber connector |
| CN104516061A (en) * | 2014-11-28 | 2015-04-15 | 中航光电科技股份有限公司 | Optical fiber plug module and integrated plug using same |
| CN104516061B (en) * | 2014-11-28 | 2016-08-17 | 中航光电科技股份有限公司 | Optical fiber plug module and use the integrated plug of this Optical fiber plug module |
| CN105044856A (en) * | 2015-06-28 | 2015-11-11 | 中航光电科技股份有限公司 | Optical fiber connector |
| CN105044853A (en) * | 2015-06-28 | 2015-11-11 | 中航光电科技股份有限公司 | Optical fiber contact member part |
| CN105044856B (en) * | 2015-06-28 | 2017-06-27 | 中航光电科技股份有限公司 | A kind of joints of optical fibre |
| CN105044853B (en) * | 2015-06-28 | 2017-08-04 | 中航光电科技股份有限公司 | A kind of optical fiber contact part |
| CN105527678A (en) * | 2016-01-21 | 2016-04-27 | 中国电子科技集团公司第二十三研究所 | Optical fiber airtight cabin crossing connector |
| CN106154430A (en) * | 2016-03-31 | 2016-11-23 | 中航光电科技股份有限公司 | Fiber optic connector assembly and Optical fiber plug thereof and fiber-optical socket |
| CN106154430B (en) * | 2016-03-31 | 2019-02-12 | 中航光电科技股份有限公司 | Fiber optic connector assembly and its Optical fiber plug and fiber-optical socket |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 5300 Wuzhong District Wuzhong road in Suzhou city of Jiangsu Province in 215007 Patentee after: SUZHOU RECODEAL INTERCONNECT SYSTEM Co.,Ltd. Address before: No. 5300 Wuzhong District Wuzhong road in Suzhou city of Jiangsu Province in 215007 Patentee before: Suzhou Recodeal Interconnection System Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
|
| CX01 | Expiry of patent term |