CN102565956B - Optical fiber plug - Google Patents
Optical fiber plug Download PDFInfo
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- CN102565956B CN102565956B CN201010619693.4A CN201010619693A CN102565956B CN 102565956 B CN102565956 B CN 102565956B CN 201010619693 A CN201010619693 A CN 201010619693A CN 102565956 B CN102565956 B CN 102565956B
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- optical fiber
- back casing
- procapsid
- fiber plug
- tailstock
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Abstract
The invention relates to an optical fiber plug. The optical fiber plug comprises a front housing and a rear housing, and is characterized in that the front housing and the rear housing are detachably connected, a buckling arm which is used for being buckled with an optical fiber adapter is movably connected on the rear housing, and an elastic element is arranged between the buckling arm and the rear housing. According to the optical fiber plug disclosed by the invention, the front housing is detachably connected with the rear housing, and optical fiber connection is convenient in assembly and convenient for production and manufacturing; and the buckling arm which is buckled with the adapter is movably connected on the rear housing so as to facilitate connection and matching between the optical fiber plug and the adapter.
Description
Technical field
The present invention relates to the physical connection technology in optical communication field, more particularly, relate to a kind of Optical fiber plug connecting for optical fiber high density.
Background technology
Internet and wireless technology are strengthening the interconnected ability of information significantly, these technology are exponential growth in the world, need to support the flow that several hundred million users produce, the numerical data of billions of meters is transmitted in the world, by switch, long-distance optical fiber, Metropolitan Area Network (MAN) and other multiple access technologies, realizes.Connection between optical fiber and optical fiber, and optical fiber realizes by connector with being connected all of equipment, along with the interconnected explosive growth of information, the density that optical fiber connects also requires continuous raising, in unit volume, will realize the more optical fiber of multichannel and connect.
Because the diameter of optical fiber is very little, even after adding protective seam, diameter is still very little, in the relatively little optical cable of sectional area, can put into hundreds of optical fiber, but at connector end, these optical fiber can make to take up room increases by 20～50 times, even higher.In order to realize high density, connect, need to reduce the physical dimension of connector, especially need to reduce the physical dimension of Optical fiber plug, to meet the raising of the optical fiber Connection Density in unit volume.When optical fiber connects the size reduction of plug, the structure of existing Optical fiber plug has been difficult to adapt to, specifically assembling difficulty, and in addition, in order to reduce size, the wall thickness of most of part has approached technological limits, also the intensity of Optical fiber plug is had a great impact.
Summary of the invention
The technical problem to be solved in the present invention is, the above-mentioned defect for the Optical fiber plug of prior art, provides a kind of Optical fiber plug, the needs that connect to meet the high density of optical fiber.
The technical solution adopted for the present invention to solve the technical problems is: comprise procapsid and back casing, it is characterized in that, described procapsid and back casing removably connect, on described back casing, be flexibly connected and be useful on the fastening arm fastening with fiber adapter, between described fastening arm and described back casing, be provided with flexible member.
In Optical fiber plug of the present invention, described procapsid front end is provided with the first through hole, the rear end of described procapsid offers opening, in described procapsid, contain ferrule assembly, described ferrule assembly comprises the tailstock of ceramic insertion core and metal, described ceramic insertion core is plugged on the front end of described tailstock, described ferrule assembly also comprises the spring being enclosed within on described tailstock, described ceramic insertion core stretches out procapsid by described the first through hole, the front end of described procapsid extends forward two relative flanges, and described ceramic insertion core is between two flanges.
In Optical fiber plug of the present invention, the inwall of described procapsid is provided with the groove of stepping down of two relative and arcs described spring adaptation.
In Optical fiber plug of the present invention, the front end of described back casing is provided with the second through hole, the rear end of described tailstock extend in described the second through hole, and described spring one end is against on the front end face of back casing described in this, and the other end is against on the boss of described tailstock front end;
One side of described back casing has window, and described back casing also comprises the cover plate that covers described window;
The tail end of described back casing is provided with tail pipe, and optical fiber is extend in back casing by described tail pipe, and extend in ceramic insertion core through tailstock;
Described tail pipe is metal tube, and the front-end and back-end of described tail pipe are respectively equipped with annular groove, and the front end of described tail pipe embeds the tail end of described back casing.
In Optical fiber plug of the present invention, described procapsid and back casing are by clamp connection, the front end of back casing extends forward two relative locating pieces, described locating piece inserts in described procapsid, described clip wraps in the rear end of described procapsid and the front end of back casing, described clip comprises sidewall and the two button arms vertical with sidewall that are positioned at sidewall two ends, on described button arm, has breach, and described procapsid and back casing are provided with the limited block with described breach adaptation.
In Optical fiber plug of the present invention, described fastening arm and described back casing are rotationally connected by bearing pin, and described flexible member is torsion spring.
In Optical fiber plug of the present invention, the middle part of described fastening arm has a connecting piece, described header body has two auricles, and described brace is between described two auricles, and described bearing pin links together described fastening arm and described header body through described brace and described auricle.
In Optical fiber plug of the present invention, on described brace, there is the sleeve perpendicular to described brace, described torsion spring set is on described sleeve.
In Optical fiber plug of the present invention, the perk up or down of the rear end of described fastening arm, the rear end of stating fastening arm is provided with hole or breach.
In Optical fiber plug of the present invention, the rear end of described fastening arm is provided with draw ring.
Implement Optical fiber plug of the present invention, have following beneficial effect: in Optical fiber plug of the present invention, procapsid and back casing removably connect, it is easy to assembly that optical fiber connects, and is convenient to manufacture; On back casing, be connected with the fastening arm fastening with adapter, facilitate the cooperation that is connected of Optical fiber plug and adapter.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the decomposing schematic representation of the first embodiment of Optical fiber plug of the present invention;
Fig. 2 is the schematic diagram of procapsid in the first embodiment of Optical fiber plug of the present invention;
Fig. 3 is the sectional view of procapsid in the first embodiment of Optical fiber plug of the present invention;
Fig. 4 is the sectional view of the first embodiment of Optical fiber plug of the present invention;
Fig. 5 is the decomposing schematic representation of the second embodiment of Optical fiber plug of the present invention;
Fig. 6 is the schematic diagram that the first embodiment of Optical fiber plug of the present invention coordinates with adapter.
Fig. 7 is the schematic diagram of the 3rd embodiment of Optical fiber plug of the present invention;
Fig. 8 is the schematic diagram of the 4th embodiment of Optical fiber plug of the present invention;
Fig. 9 is the schematic diagram of the 5th embodiment of Optical fiber plug of the present invention;
Figure 10 is the schematic diagram of the 6th embodiment of Optical fiber plug of the present invention;
Figure 11 is the schematic diagram that fastens the 7th kind of form of arm in Optical fiber plug of the present invention;
Figure 12 is the schematic diagram that fastens the 8th kind of form of arm in Optical fiber plug of the present invention.
Embodiment
For technical characterictic of the present invention, object and effect being had more clearly, understand, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figures 1 to 4, for the first embodiment of Optical fiber plug of the present invention, the volume of this Optical fiber plug is approximately 1/2 of existing LC Optical fiber plug, the adapter of same size, the Optical fiber plug that can insert the present embodiment of twice quantity, Connection Density doubles.This Optical fiber plug comprises procapsid 100 and back casing 200, and procapsid 100 is fixedly connected with back casing 200.
Procapsid 100 front ends are provided with the first through hole 101, the rear end of procapsid 100 offers opening 102, in procapsid 100, contain ferrule assembly 300, ferrule assembly 300 comprises the tailstock 320 of ceramic insertion core 310 and metal, tailstock 320 is made of metal, comprise head 321 and the cylindrical section 322 being connected with head 321, ceramic insertion core 310 is plugged on the head 321 of tailstock 320, ferrule assembly also comprises the spring 330 being enclosed within on cylindrical section 322, ceramic insertion core 310 stretches out procapsid 100 by the first through hole 101, the front end of the inner chamber of procapsid 100 is provided with the pit 103 with the shape adaptation of the head 321 of tailstock 320, head 321 inserts in this pit 103.The groove 104 of stepping down that is provided with two relative and arcs spring 330 adaptations at the inwall of procapsid 100, the existence of the groove 104 of stepping down, also can facilitate ferrule assembly 300 to be assembled in procapsid 100.In order to protect ceramic insertion core 310, at the front end of procapsid 100, extend forward two relative flanges 105, ceramic insertion core 310, between two flanges 105, can play to ceramic insertion core 310 effect of protection like this.In order to facilitate coordinating of Optical fiber plug and fiber adapter, the downside of procapsid 100 is provided with guiding projection 107, and the inwall of fiber adapter is provided with same gathering sill.
In the present embodiment, procapsid 100 is fixedly connected with by the mode fastening with back casing 200, specifically the front end at back casing 200 extends forward two back-offs 210, in procapsid 100, there is the button bit 106 coordinating with back-off 210, back-off 210 is inserted in procapsid 100 and snaps in button bit 106, realizes being fixedly connected with of procapsid 100 and back casing 200.
The front end of back casing 200 is provided with the second through hole 201, and the rear end of tailstock 320 extend in the second through hole 201, and spring 330 one end are against on the front end face of this back casing 200, and the other end is against on the boss being formed by head 321 of tailstock 320 front ends; Because tailstock 320 is made of metal, its cylindrical section 322 is inserted in the second through hole 201, rely on the position-limiting action of the second through hole 201, the structure of Optical fiber plug is also played to the effect of reinforcement, the stressed junction that no longer only focuses on procapsid 100 and back casing 200 that makes front end, has improved the intensity of Optical fiber plug, when the volume of Optical fiber plug is reduced, although the wall thickness of housing is attenuate to some extent, the intensity of whole Optical fiber plug still can be satisfied the demand.
In order to facilitate the assembling of Optical fiber plug, and the processing of back casing, one side of back casing 200 has window 202, back casing 200 also comprises the cover plate 220 that covers window 202, due to the existence of window, makes the easier injection mo(u)lding of back casing 200, mold releasability is more convenient, also can be used as on the other hand watch window, in the time of can observing easily optical fiber and packed into by the tail end of back casing 200, with the mated condition of tailstock 320.The tail end of back casing 200 is provided with tail pipe 230, optical fiber 400 is extend in back casing 200 by tail pipe 230, and extend in ceramic insertion core 310 through tailstock 320, in the present embodiment, tail pipe 230 is metal tube, and the front-end and back-end of tail pipe 230 are respectively equipped with annular groove 231,232, the front end of tail pipe 230 embeds the tail end of described back casing 200, it is in-molded together with tailstock 200, and annular groove 231 is embedded in back casing 200, guarantees the reliability of the two connection; The rear end cover of tail pipe 230 has aluminum pipe 240, on aluminum pipe 240, be pressed with the annular groove 241 corresponding with the annular groove 232 of tail pipe 220 rear ends, the aramid layers of optical fiber 400 is pressed between aluminum pipe 240 and tail pipe 230, and the outside of aluminum pipe 240 is also overlapped heat-shrinkable T bush 250, to guarantee reliably fixing optical fiber 400.
Referring to Fig. 6, when Optical fiber plug of the present invention coordinates with adapter 500, the mode that employing fastens in the outside of adapter 500 realizes, button bit 501 is specifically set on the outer wall of adapter 500, corresponding buckle portion is set on Optical fiber plug, realizes the reliable grafting of Optical fiber plug and adapter 500, this mode makes the existing inner structure fastening into the outside structure fastening, can effectively utilize the inner space of adapter 500, avoid tying up the space of Optical fiber plug.For Optical fiber plug, one fastening arm 260 is specifically set on back casing 200, a connecting piece 261 is extended at the middle part that fastens arm 260, on brace 261, also extend a sleeve 262, on sleeve 262, cover has torsion spring 263, two auricles 203 are extended on the top of back casing 200, 204, brace 261 is positioned at two auricles 203, between 204, bearing pin 264 is through auricle 203, 204 and brace 261 realize and fasten being rotationally connected of arms 260 and back casing 200, while fastening with adapter 500, torsion spring 263 is pressed on the button bit 501 of adapter 500 buckle portion 265 that fastens arm 260 front ends.
The assembling of Optical fiber plug of the present invention is more flexible, a kind of assembling mode is first will after 300 assemblings of ceramic insertion core assembly, to be encased in fore shell 100, then procapsid 100 and back casing 200 fasten, then the tail pipe 230 by back casing 200 penetrates optical fiber 400, make optical fiber 400 enter into ceramic insertion core 310 through tailstock 320, what insert ceramic insertion core 310 is the naked fibre of peeling off after sheath, then on tail pipe 230, presses aluminum pipe 240 and puts heat-shrinkable T bush 250.Another kind of assembling mode, is first penetrated optical fiber, and is passed by the second through hole 201 by tail pipe 230, optical fiber is penetrated to the tailstock 320 that cover has spring 330, and extend in ceramic insertion core 310, after first ceramic insertion core partly having been assembled, then the back casing of procapsid 100 200 is fitted together.
As shown in Figure 5, the second embodiment for Optical fiber plug of the present invention, be with the first embodiment difference, in the present embodiment, procapsid 100 adopts clip 600 to be connected with back casing 200, and specifically the front end of back casing 200 extends forward two relative locating pieces 205, and locating piece 205 inserts in procapsid 200, play the effect of location, and then clip 600 is wrapped in to the rear end of procapsid 100 and the front end of back casing 200.Clip 600 comprises sidewall 610 and the two button arms 620 vertical with sidewall that are positioned at sidewall two ends, on button arm 620, have breach 621, on procapsid 100 and back casing 200, be respectively equipped with the limited block 108,206 with breach 621 adaptations, limited block 108,206 is stuck in breach 611.Other structures of the Optical fiber plug of this enforcement and first are that embodiment is identical, repeat no more.It will be appreciated that, procapsid 100 can also adopt other any suitable modes to be fixedly connected with back casing 200.
Fig. 7 to Figure 10 is the 3rd schematic diagram to the 6th embodiment of Optical fiber plug of the present invention, and the basic structure of the Optical fiber plug of these four embodiment is identical, and difference is only that the fastening arm of Optical fiber plug is different.
In the 3rd embodiment shown in Fig. 8, the tail end that fastens arm 260 connects a draw ring 271, and this draw ring 271 is slidably connected with back casing, while pulling back this draw ring 271, the tail end that fastens arm 260 is depressed, and the front end that fastens arm 260 lifts, and fastens arm 260 and threads off with adapter.
In the 4th embodiment described in Fig. 9, the tail end that fastens arm 260 is connected with draw ring 272, and draw ring 272 is different from the 3rd embodiment, and draw ring 272 is to be directly connected to the tail end that fastens arm 260, by pressing and pull back draw ring 272, can make to fasten arm 260 and thread off with adapter.
In the 5th embodiment shown in 10, the tail end 266 that fastens arm 260 is upturned, and can just press like this fastening and just fasten arm 260.And in the 6th embodiment shown in Figure 10, fasten the tail end 266 of arm 260 to having a downwarp, and be conducive to like this save space, fastening pressing of arm 260 need to be undertaken by certain instrument.
Figure 11 and Figure 12 show again two kinds of forms that fasten arm, and the tail end that fastens arm 260 in Figure 11 is provided with hole 267, by tool insert hole 267, can control easily fastening arm 260 and make to fasten arm 260 and adapter dropout.And in Figure 12, at the tail end that fastens arm 260, be provided with breach 268, and can catch on or be stuck in by instrument equally and cover operation fastening arm 260 in breach 268, make to fasten arm 260 and thread off with adapter.The fastening arm of form need to be by certain instrument like this, but can avoid false touch to arrive other adjacent Optical fiber plugs.
In Optical fiber plug of the present invention, procapsid contains ferrule assembly, and back casing has window, guarantee that Optical fiber plug, when volume-diminished, has enough receiving spaces and micro-curved space, in addition, the structure of Optical fiber plug of the present invention, also facilitates processing and the assembling of the parts of Optical fiber plug.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not departing from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, within these all belong to protection of the present invention.
Claims (9)
1. an Optical fiber plug, comprise procapsid and back casing, it is characterized in that, described procapsid and back casing removably connect, on described back casing, be flexibly connected and be useful on the fastening arm fastening with fiber adapter, between described fastening arm and described back casing, be provided with flexible member;
Described procapsid and back casing are by clamp connection, the front end of back casing extends forward two relative locating pieces, described locating piece inserts in described procapsid, described clip wraps in the rear end of described procapsid and the front end of back casing, described clip comprises sidewall and the two button arms vertical with sidewall that are positioned at sidewall two ends, on described button arm, have breach, described procapsid and back casing are provided with the limited block with described breach adaptation;
One side of described back casing has window.
2. Optical fiber plug according to claim 1, it is characterized in that, described procapsid front end is provided with the first through hole, the rear end of described procapsid offers opening, in described procapsid, contain ferrule assembly, described ferrule assembly comprises the tailstock of ceramic insertion core and metal, described ceramic insertion core is plugged on the front end of described tailstock, described ferrule assembly also comprises the spring being enclosed within on described tailstock, described ceramic insertion core stretches out procapsid by described the first through hole, the front end of described procapsid extends forward two relative flanges, and described ceramic insertion core is between two flanges.
3. Optical fiber plug according to claim 2, is characterized in that, the inwall of described procapsid is provided with the groove of stepping down of two relative and arcs described spring adaptation.
4. Optical fiber plug according to claim 2, it is characterized in that, the front end of described back casing is provided with the second through hole, and the rear end of described tailstock extend in described the second through hole, described spring one end is against on the front end face of described back casing, and the other end is against on the boss of described tailstock front end;
Described back casing also comprises the cover plate that covers described window;
The tail end of described back casing is provided with tail pipe, and optical fiber is extend in back casing by described tail pipe, and extend in ceramic insertion core through tailstock;
Described tail pipe is metal tube, and the front-end and back-end of described tail pipe are respectively equipped with annular groove, and the front end of described tail pipe embeds the tail end of described back casing.
5. according to the Optical fiber plug described in claim 1 to 4 any one, it is characterized in that, described fastening arm and described back casing are rotationally connected by bearing pin, and described flexible member is torsion spring.
6. Optical fiber plug according to claim 5, it is characterized in that, the middle part of described fastening arm has a connecting piece, described header body has two auricles, described brace is between described two auricles, and described bearing pin links together described fastening arm and described header body through described brace and described auricle.
7. Optical fiber plug according to claim 6, is characterized in that, has the sleeve perpendicular to described brace on described brace, and described torsion spring set is on described sleeve.
8. Optical fiber plug according to claim 7, is characterized in that, the perk up or down of the rear end of described fastening arm, and the rear end of stating fastening arm is provided with hole or breach.
9. Optical fiber plug according to claim 7, is characterized in that, the rear end of described fastening arm is provided with draw ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010619693.4A CN102565956B (en) | 2010-12-31 | 2010-12-31 | Optical fiber plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010619693.4A CN102565956B (en) | 2010-12-31 | 2010-12-31 | Optical fiber plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102565956A CN102565956A (en) | 2012-07-11 |
| CN102565956B true CN102565956B (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010619693.4A Active CN102565956B (en) | 2010-12-31 | 2010-12-31 | Optical fiber plug |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291826B (en) | 2015-05-20 | 2019-05-28 | 华为技术有限公司 | Plug head protector, fiber connector component, Optical fiber plug and the network equipment |
| CN111239928B (en) * | 2016-01-15 | 2022-02-01 | 扇港元器件股份有限公司 | Narrow width connector and adapter with spring loaded remote release mechanism |
| CN109696727A (en) * | 2017-10-23 | 2019-04-30 | 中航光电科技股份有限公司 | A kind of housing accessory and the connector assembly using the housing accessory |
| CN110824628B (en) * | 2019-12-19 | 2021-12-07 | 武汉邮埃服光电科技有限公司 | Optical fiber connector and assembly thereof |
| CN113270758A (en) * | 2019-12-20 | 2021-08-17 | 华为技术有限公司 | Connector assembly and photoelectric composite connector |
| TWI734532B (en) * | 2020-02-21 | 2021-07-21 | 立佳興業股份有限公司 | Optical connector and optical module thereof |
| CN111708124A (en) * | 2020-06-24 | 2020-09-25 | 武汉光迅科技股份有限公司 | Optical fiber connector, optical fiber adapter and optical fiber connecting device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5465313A (en) * | 1994-06-29 | 1995-11-07 | Molex Incorporated | Optical fiber connector and method of fabricating same |
| US5923805A (en) * | 1997-12-22 | 1999-07-13 | Lucent Technologies Inc. | Connector for plastic optical fiber |
| JP3903800B2 (en) * | 2002-01-28 | 2007-04-11 | セイコーエプソン株式会社 | Clip connector |
| JP4783825B2 (en) * | 2008-11-01 | 2011-09-28 | 株式会社ヨコオ | Clip-type relay connector |
| CN101881865B (en) * | 2010-06-17 | 2012-03-07 | 深圳日海通讯技术股份有限公司 | Optical fiber connector |
| CN201780390U (en) * | 2010-06-25 | 2011-03-30 | 深圳日海通讯技术股份有限公司 | Optical fiber plug for high-density optical fiber connection |
-
2010
- 2010-12-31 CN CN201010619693.4A patent/CN102565956B/en active Active
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| CN102565956A (en) | 2012-07-11 |
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Address after: 518000 Ma Jialong 17, 1701, Daxin Road, Nanshan District, Shenzhen, Guangdong, 17 Patentee after: SUNSEA AIOT TECHNOLOGY Co.,Ltd. Address before: 518057 No. 107, Tsinghua information port complex, Nanshan District, Shenzhen, Guangdong. Patentee before: SUNSEA TELECOMMUNICATIONS Co.,Ltd. |
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Effective date of registration: 20190423 Address after: 518000 Plant 1201, No. 3 Guansheng 4th Road, Luhu Community, Guanhu Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Rihai Intelligent Equipment Co.,Ltd. Address before: 518000 Ma Jialong 17, 1701, Daxin Road, Nanshan District, Shenzhen, Guangdong, 17 Patentee before: SUNSEA AIOT TECHNOLOGY Co.,Ltd. |
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