CN202649526U - Optical fiber connector - Google Patents
Optical fiber connector Download PDFInfo
- Publication number
- CN202649526U CN202649526U CN 201220149558 CN201220149558U CN202649526U CN 202649526 U CN202649526 U CN 202649526U CN 201220149558 CN201220149558 CN 201220149558 CN 201220149558 U CN201220149558 U CN 201220149558U CN 202649526 U CN202649526 U CN 202649526U
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- Prior art keywords
- assembly
- optical fiber
- tailstock
- plug
- joints
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an optical fiber connector for terminating in the engineering field. The optical fiber connector comprises a plug assembly. The plug assembly comprises a plug core assembly having an optical-fiber-positioning slot part and a plug core, and a plug-core press plate. A pre-embedded optical fiber is disposed at the front of an optical fiber positioning slot in the optical-fiber-positioning slot part. The plug assembly also comprises an elastic press sheet, which hoops the external of the optical-fiber-positioning slot part and the plug-core press plate. A part of the plug assembly, at the periphery of the assembly of the plug core assembly and the plug-core press plate, is provided with a mounting tool through hole corresponding to a wedge-shaped opening. The optical fiber connector of the utility model has a simple structure and is convenient to operate. According to the utility model, integral optical fiber connector mounting and cable forming in the engineering field are realized, without the need of assembling any other product parts after the optical cable is centered and pressed tightly. The optical fiber connector can be mounted, dismounted and used repeatedly. During the dismounting and repeated mounting process, integral optical fiber connector mounting and cable forming in the engineering field are realized.
Description
Technical field
The utility model relates to the optical connector field, relates in particular to a kind of joints of optical fibre, is used for realizing the optically-coupled function of on-the-spot two optical fiber of engineering construction.
Background technology
To the least significant end of network, optical cable faces into the problem of end at the network least significant end with extension of optical fiber in the development that Fiber to the home (FTTH), and tradition has customized the method that optical cable jumper adds fused fiber splice in factory and faced a difficult problem, shows:
1, need the some quantity of connection huge, and cable length is uncertain, is the several times of traditional backbone network or Metropolitan Area Network (MAN), in addition decades of times, traditional welding adds the mode high cost of wire jumper, and the wire jumper of customization more can't resolve the uncertain problem of length.
2, ENGINEERING POINT is extremely disperseed, traditional backbone or the coupling of optical fibre for metropolitan area network because the point that optical fiber need to continue is concentrated, and mainly concentrate on again in the machine room, can eliminate to a great extent preheating and need the problem of power supply, fusion techniques is able to use steady in a long-term.The FTTH tie point then is distributed in huge numbers of families, and the number of connection of each point seldom, often only has one, needs the interconnection technique cost of fused fiber splice of power supply very high.
Optical fiber fusion welding technology is disperseed and total amount again during the huge problem that continues at reply FTTH, its poor efficiency and expensive fairly obvious.Be used for optical fiber low-cost, can on-the-spot Fast Installation just become the needs of technology and era development with the exploitation of the device that is connected all-environment connection.
Through technical development in recent years, the domestic joints of optical fibre of having developed engineering site Cheng Duan, but stability and construction convenience all can't satisfy the needs of FTTH networking fully.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of joints of optical fibre for engineering site Cheng Duan.For this reason, the utility model is by the following technical solutions: it comprises the plug-assembly that can insert light gang socket, have ferrule assembly and lock pin pressing plate that fiber orientation slotware and lock pin are set in the described plug-assembly, fiber orientation groove front portion in the fiber orientation slotware has pre-buried optical fiber, also be provided with elastic pressuring plate in the described plug-assembly, described elastic pressuring plate hoop is used to the combination of fiber orientation slotware and fiber pressuring plate that elastic pressure is provided outside fiber orientation slotware and lock pin pressing plate; The subassembly of described ferrule assembly and lock pin pressing plate has instrument at the intersection of fiber orientation slotware and lock pin pressing plate and heads into the hole, and the parts that described plug-assembly is in ferrule assembly and lock pin pressing plate subassembly periphery have the erecting tools corresponding with wedge-shaped opening and pass into the hole.
On the basis of adopting technique scheme, the utility model also can adopt following further technical scheme:
Described plug-assembly from outer to inner also is provided with outer frame set and inside casing cover; The subassembly of described ferrule assembly and lock pin pressing plate is in the inside casing cover, and outer frame set and inside casing tackling have described erecting tools to pass into the hole.
The utility model also is provided with the tail grip assembly that being used for of being connected with plug-assembly is fixedly clamped and unclamps the engineering optical fiber jacket, when guaranteeing that the engineering optical cable is subject to external force and can not disconnect with of the present utility model and being connected; Described tail grip assembly comprises tailstock and tail-hood, described tailstock provides the groove that passes through for sheath engineering optical fiber, described tailstock and plug-assembly, such as inside casing cover wherein, be fixedly connected with, described tail-hood and tailstock are hinged, are provided with retainer between tailstock and the ferrule assembly and rely on retainer to hold out against the spring that lock pin also passes through the retainer pressing tailstock.
Described tail grip assembly has the clamping structure of engineering optical fiber jacket in X-axis and two normal direction of Y-axis.Such as, tailstock has described tailstock and has the tooth that clamps the engineering optical fiber jacket at the cell wall of described groove, in the tooth wall slot is arranged, and described tail-hood has the described slot of insertion to the plug-in unit of its tensioner and the piece under pressure that compresses tailstock from the top of groove downwards.
The utility model also is equipped with erecting tools, is used for installation and removal engineering optical cable.Described erecting tools has the top, and described top can be passed described erecting tools and pass into the hole and insert described instrument and head into the Kong Zhongyu instrument and head into the hole and cooperate and to back down pressing plate, and described top is that to head into the hole be wedged hole for sphenocephaly or described instrument.
Described lock pin head cover has dust cap.
The opening that described retainer imports end at optical fiber is the taper of large opening, and described large opening is greater than the optical fiber entrance size of tail grip assembly.
Described fiber orientation groove is the V-shaped V-shaped groove of xsect.
Owing to adopt the technical solution of the utility model, the utility model is simple in structure, the installation that simple operation, the utility model have realized joints of optical fibre engineering site integral body with become the end optical cable, do not need to finish and assemble again other any product parts after aligning fiber optic cables compresses.The utility model can repeat to install, dismounting is used, the installation that also can realize joints of optical fibre engineering site integral body when repeating to install in dismounting with become to hold optical cable.
Further, the utility model also has following characteristics:
Described outer frame set has been assembled in before project installation on the utility model, does not need during engineering construction to disassemble.
Described dust cap has been assembled in before project installation on the utility model, does not need during engineering construction to disassemble.
Described erecting tools has been installed on the utility model before use, and after engineering optical fiber insertion fiber orientation groove, its sheath were compressed by the tail grip assembly, puller namely can be finished installation, possessed extremely convenient and fast installation.
Description of drawings
Fig. 1 is the exploded perspective synoptic diagram of joints of optical fibre embodiment provided by the utility model;
Fig. 2 is at the sectional view of erecting tools insertion point place's joints of optical fibre when erecting tools inserts;
Fig. 3 is the ferrule assembly stereographic map;
Fig. 4 is the engineering optical fiber structure synoptic diagram with sheath;
Fig. 5 is that erecting tools reaches position, the hole stereographic map on the utility model joints of optical fibre that cooperate with it;
Fig. 6 is the utility model joints of optical fibre erection sequence schematic perspective view;
Fig. 7 is sectional plain-view drawing after the assembling of the utility model joints of optical fibre is finished;
Fig. 8 is at erecting tools insertion point place's joints of optical fibre operating conditions product cross section figure after installation;
Fig. 9 is the schematic isometric that joints of optical fibre tail grip assembly compresses the engineering optical fiber jacket;
Figure 10 is the part amplification schematic isometric that joints of optical fibre tail grip assembly compresses the engineering optical fiber jacket;
Figure 11 is the project installation case schematic isometric of the joints of optical fibre;
Figure 12 is the engineering dismounting case schematic isometric of the joints of optical fibre.
Embodiment
With reference to accompanying drawing.The utility model comprises the plug-assembly that can insert light gang socket, have ferrule assembly 04 and lock pin pressing plate 05 that fiber orientation slotware 22 and lock pin 20 are set in the described plug-assembly, lock pin pressing plate 05 cooperates the pre-buried optical fiber 21 of compression and engineering optical fiber 121 with fiber orientation slotware 22, fiber orientation groove front portion in the fiber orientation slotware 22 has pre-buried optical fiber 21, also be provided with elastic pressuring plate 06 in the described plug-assembly, described elastic pressuring plate 06 hoop is used to the combination of fiber orientation slotware 22 and fiber pressuring plate 05 that elastic pressure is provided outside fiber orientation slotware 22 and lock pin pressing plate 05; The subassembly of described ferrule assembly 04 and lock pin pressing plate 05 has instrument at the intersection of fiber orientation slotware 22 and lock pin pressing plate 05 and heads into hole 28, and the parts that described plug-assembly is in ferrule assembly 04 and lock pin pressing plate 05 subassembly periphery have the hole that passes into of the erecting tools corresponding with wedge-shaped opening.
Described plug-assembly from outer to inner also is provided with outer frame set 02 and inside casing cover 03; The subassembly of described ferrule assembly 04 and lock pin pressing plate 05 is in the inside casing cover 03.
As shown in Figure 3, ferrule assembly 04 comprises lock pin 20, pre-buried pre-buried optical fiber 21 and fiber orientation slotware 22 wherein, pre-buried optical fiber 21 1 ends and insertion core end face grind in advance, are used for guaranteeing the optical property of the joints of optical fibre described in the utility model when supporting the use with other connector.The other end stretches in the fiber orientation slotware 22.Described fiber orientation groove can adopt the V-shaped V-shaped groove of xsect 26.The V-shaped groove size just guarantees pre-buried optical fiber 21 and engineering optical fiber 121 realization centerings; In centering, the matter of matching 23 that sets in advance in V slotware 22 provides the compensation of refractive index type of two optical fiber to mate, and coupling efficiency is risen within the scope of network permission.
For the utility model embodiment is described, in conjunction with Fig. 4 explanation structure with the engineering optical fiber (engineering optical cable) of sheath: the engineering optical fiber (engineering optical cable) 12 with sheath comprises the glass optical fiber that engineering optical fiber 121(diameter is about 125 μ m), also have one or more overlays 122 around the glass optical fiber, overlay has different-diameter, and coat diameter of the present invention is about 250 μ m; The engineering optical cable also has one to be wrapped in engineering optical fiber 121 outermost sheaths 123, and sheath 123 physical dimension mostly are the rectangle of 2mm * 3mm.
As shown in Figure 1, outer frame set 02 of the present invention is connected 03 and is used for and be connected connector connecting with inside casing, the present invention is that example is done elaboration by SC connector frame grip assembly, do not limit to conventional connectors such as being applied to FC, LC, ST, also be not limited to the kind of the end pattern of connector, such as PC, UPC, APC.Such as Fig. 5 and in conjunction with shown in Figure 2, the feature of outer frame set 02 and inside casing cover 03 also is a window A01 is all arranged, i.e. the described import that passes into the hole on the face that device cooperates.Window of the present invention is not limited to quantity and the shape of window, and the plane on the residing outer frame set 02 of window and the inside casing cover 03, as long as erector's prodigiosin passes described hole A01a, the A01b of passing on outer frame set 02 and the inside casing cover 03 simultaneously, after no longer needing during project installation to install the engineering optical cable, outer frame set 02 is installed again.
The utility model also is provided with the tail grip assembly 09 that being used for of being connected with plug-assembly is fixedly clamped and unclamps the engineering optical fiber jacket, when guaranteeing that the engineering optical cable is subject to external force and can not disconnect with of the present utility model and being connected; Described tail grip assembly comprises tailstock 24 and tail-hood 23, described tailstock provides the groove 27 that passes through for sheath engineering optical fiber, described tailstock 24 is fixedly connected with inside casing cover 03, described tail-hood 23 and tailstock 24 are hinged, are provided with retainer 07 between tailstock 24 and the ferrule assembly 04 and rely on retainer 07 to hold out against the spring 08 that ferrule assembly 04 also passes through retainer 07 pressing tailstock 23.The opening that described retainer 07 imports end at optical fiber is the taper of large opening, and described large opening is greater than the optical fiber entrance size of tail grip assembly.Guarantee that engineering optical fiber can accessiblely penetrate the joints of optical fibre described in the utility model.
As shown in Figure 6, in conjunction with Fig. 7, after ferrule assembly 04 of the present utility model and pressing plate 05 coupling, compress with compressing tablet 06, consist of the core light parts 25 of an integral body, such as Fig. 6; Core light parts 25 reinstall outer frame set 02 after pushing inside casing cover 03; And then be inserted in successively retainer 07, spring 08, push at last the tail grip assembly 09 that is consisted of by tailstock 24 and tail-hood 23.
The utility model also is equipped with erecting tools 10, is used for installation and removal engineering optical cable.Described erecting tools 10 has top 101, described top 101 can be passed described erecting tools and pass into hole A01a, A01b and insert described instrument and head in the hole 28 and to head into hole 28 with instrument and cooperate and back down pressing plate, and described top 101 is wedged hole for sphenocephaly or described instrument head into hole 28.
As shown in Figure 2, in conjunction with Fig. 8, the joints of optical fibre described in the utility model are when installment state not, top 101 is in the state that inserts outer frame set 02, inside casing cover 03, ferrule assembly 04 and pressing plate 05, and the elastic characteristic of compressing tablet provides the spaces that can allow engineering optical fiber 121 insert smoothly for ferrule assembly 04 and pressing plate 05; When engineering construction, extract top 101, ferrule assembly and pressing plate can closely be affixed (such as Fig. 8) under the elastic force of compressing tablet 06, thereby compress the pre-buried optical fiber 21 in engineering optical fiber 121 and the ferrule assembly 04, and the while is centering in the fiber orientation groove of the fiber orientation slotware 22 of ferrule assembly 04.
Described tail grip assembly 09 has the clamping structure of engineering optical fiber jacket 123 in X-axis and two normal direction of Y-axis.Such as, tailstock 24 has described tailstock and has the tooth 221 that clamps the engineering optical fiber jacket at the cell wall of described groove 27, slot 222 is arranged in the tooth wall, and described tail-hood 23 has and inserts described slot 222 to the plug-in unit 232 of its tensioner, 231 and the piece under pressure 233 that compresses tailstock 24 from the top of groove 27 downwards.
As shown in Figures 9 and 10, one of them characteristic of the joints of optical fibre described in the utility model are through under the interference extrusion of tailstock 24 and tail-hood 23 (namely by described tensioner), have finished fixing engineering optical cable 12 on two dimensions by tooth 221,233 liang of normal direction.The interference power of a direction of normal direction comes from tail-hood 23 and presses down the tail-hood plug-in unit 232 squeezed slots 222 of compressing in the process, reaches the compression of 221 pairs of engineering optical cables 12 of tooth by the elastic deformation of tooth wall; The interference power of another direction of normal direction from the piece under pressure 233(of tail-hood 23 with reference to amplifying Figure 10) when pressing down tailstock 24, make the optical fiber jacket 123 that is stuck in the tailstock 24, under screens 233 effects of tail-hood, the interference that the generation elastic deformation reaches engineering optical cable 12 compresses.
Described lock pin head cover has dust cap 01.
As shown in figure 11, the project installation case of the joints of optical fibre described in the utility model is set forth: (0) is the engineering delivery state of the joints of optical fibre described in the utility model; (1) with reference to Fig. 4, with engineering optical cable 12 open strip out engineering optical fiber 121 and coat 122 after, insert the joints of optical fibre described in the utility model; (2) extract erecting tools 10; (3) with reference to Fig. 1, depress the tail-hood 23 that closes, finish installation.The joints of optical fibre of engineering site Cheng Duan described in the utility model are joints of optical fibre of the simplest engineering site Cheng Duan of domestic operation, and its installation steps were reduced to for three steps.
As shown in figure 12, the engineering of the joints of optical fibre described in the utility model dismounting case is set forth: (a) be the working of the joints of optical fibre described in the utility model; (b) with reference to Fig. 1, insert erecting tools 10; (c) with reference to Fig. 1, joints of optical fibre tail-hood 23 of the present invention is opened (need not any instrument); (d) with reference to Fig. 4, extract engineering optical cable 12, finish dismounting.The joints of optical fibre of engineering site Cheng Duan described in the utility model can be reused again, are the joints of optical fibre of the simplest engineering site Cheng Duan of domestic operation, and its demounting procedure was reduced to for three steps.
Claims (10)
1. joints of optical fibre, comprise the plug-assembly that can insert light gang socket, have ferrule assembly and lock pin pressing plate that fiber orientation slotware and lock pin are set in the described plug-assembly, fiber orientation groove front portion in the fiber orientation slotware has pre-buried optical fiber, it is characterized in that also being provided with in the described plug-assembly elastic pressuring plate, described elastic pressuring plate hoop is used to the combination of fiber orientation slotware and fiber pressuring plate that elastic pressure is provided outside fiber orientation slotware and lock pin pressing plate; The subassembly of described ferrule assembly and lock pin pressing plate has instrument at the intersection of fiber orientation slotware and lock pin pressing plate and heads into the hole, and the parts that described plug-assembly is in ferrule assembly and lock pin pressing plate subassembly periphery have the erecting tools corresponding with wedge-shaped opening and pass into the hole.
2. a kind of joints of optical fibre as claimed in claim 1 is characterized in that described plug-assembly from outer to inner also is provided with outer frame set and inside casing cover; The subassembly of described ferrule assembly and lock pin pressing plate is in the inside casing cover, and outer frame set and inside casing tackling have described erecting tools to pass into the hole.
3. a kind of joints of optical fibre as claimed in claim 1, it is characterized in that it also is provided with the tail grip assembly that being used for of being connected with plug-assembly is fixedly clamped and unclamps the engineering optical fiber jacket, described tail grip assembly comprises tailstock and tail-hood, described tailstock provides the groove that passes through for sheath engineering optical fiber, described tailstock is fixedly connected with plug-assembly, described tail-hood and tailstock are hinged, be provided with retainer between tailstock and the ferrule assembly, and rely on retainer to hold out against the spring that ferrule assembly also passes through the retainer pressing tailstock.
4. a kind of joints of optical fibre as claimed in claim 2, it is characterized in that it also be provided with is connected with inside casing cover for being fixedly clamped and unclamping the tail grip assembly of engineering optical fiber jacket, described tail grip assembly comprises tailstock and tail-hood, described tailstock provides the groove that passes through for sheath engineering optical fiber, described tailstock is fixedly connected with the inside casing cover, described tail-hood and tailstock are hinged, are provided with retainer between tailstock and the ferrule assembly and rely on retainer to hold out against the spring that ferrule assembly also passes through the retainer pressing tailstock.
5. such as claim 3 or 4 described a kind of joints of optical fibre, it is characterized in that described tail grip assembly has the clamping structure of engineering optical fiber jacket in X-axis and two normal direction of Y-axis.
6. such as claim 3 or 4 described a kind of joints of optical fibre, it is characterized in that tailstock has described tailstock and has the tooth that clamps the engineering optical fiber jacket at the cell wall of described groove, in the tooth wall slot is arranged, described tail-hood has the described slot of insertion to the plug-in unit of its tensioner and the piece under pressure that compresses tailstock from the top of groove downwards.
7. a kind of joints of optical fibre as claimed in claim 1, it is characterized in that it also is equipped with erecting tools, described erecting tools has the top, described top can be passed described erecting tools and pass into the hole and insert described instrument and head into the Kong Zhongyu instrument and head into the hole and cooperate and to back down pressing plate, and described top is that to head into the hole be wedged hole for sphenocephaly or described instrument.
8. a kind of joints of optical fibre as claimed in claim 1 is characterized in that lock pin head cover has dust cap.
9. such as claim 3 or 4 described a kind of joints of optical fibre, it is characterized in that opening that described retainer imports end at optical fiber is the taper of large opening, described large opening is greater than the optical fiber entrance size of tail grip assembly.
10. a kind of joints of optical fibre as claimed in claim 1 is characterized in that the fiber orientation groove in the described fiber orientation slotware is the V-shaped V-shaped groove of xsect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220149558 CN202649526U (en) | 2012-04-11 | 2012-04-11 | Optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220149558 CN202649526U (en) | 2012-04-11 | 2012-04-11 | Optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202649526U true CN202649526U (en) | 2013-01-02 |
Family
ID=47418614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220149558 Expired - Fee Related CN202649526U (en) | 2012-04-11 | 2012-04-11 | Optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202649526U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016110246A1 (en) * | 2015-01-06 | 2016-07-14 | 泰科电子(上海)有限公司 | Cable clamp and method of fixing cable at cable clamp |
| CN108534987A (en) * | 2018-04-16 | 2018-09-14 | 江苏续点通信科技有限公司 | A kind of contact type optical fiber connector is at end surfaces quality detection device and method |
| CN111239915A (en) * | 2019-12-23 | 2020-06-05 | 南京续点通信科技有限公司 | Optical cable fastening device and optical fiber connector |
-
2012
- 2012-04-11 CN CN 201220149558 patent/CN202649526U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016110246A1 (en) * | 2015-01-06 | 2016-07-14 | 泰科电子(上海)有限公司 | Cable clamp and method of fixing cable at cable clamp |
| CN108534987A (en) * | 2018-04-16 | 2018-09-14 | 江苏续点通信科技有限公司 | A kind of contact type optical fiber connector is at end surfaces quality detection device and method |
| CN108534987B (en) * | 2018-04-16 | 2023-12-19 | 南京续点通信科技有限公司 | Device and method for detecting quality of finished end surface of contact type optical fiber connector |
| CN111239915A (en) * | 2019-12-23 | 2020-06-05 | 南京续点通信科技有限公司 | Optical cable fastening device and optical fiber connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG TWINSTAR TECHNOLOGIES CO., LTD. Free format text: FORMER OWNER: ZHEJIANG TWINSTAR TECHNOLOGIES (SHANGHAI)CO., LTD. Effective date: 20130121 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201108 MINHANG, SHANGHAI TO: 312500 SHAOXING, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130121 Address after: 312500 Qingshan Industrial Zone, new rock village, Chengguan Town, Xinchang County, Zhejiang Patentee after: Zhejiang Twinstar Technologies Co., Ltd. Address before: 10 workshop No. 515, Shen Nan Road, Xhenzhuang Industrial Zone, Shanghai, Minhang District, China 201108 Patentee before: Shanghai Branch, Zhejiang Twinstar Technologies Co.,Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20140411 |