CN107748416B - Optical fiber connector socket - Google Patents
Optical fiber connector socket Download PDFInfo
- Publication number
- CN107748416B CN107748416B CN201711236857.3A CN201711236857A CN107748416B CN 107748416 B CN107748416 B CN 107748416B CN 201711236857 A CN201711236857 A CN 201711236857A CN 107748416 B CN107748416 B CN 107748416B
- Authority
- CN
- China
- Prior art keywords
- cavity
- shell
- optical fiber
- supporting piece
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 45
- 230000003287 optical effect Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
- G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
Abstract
The invention relates to an optical fiber connector socket, which comprises a front support piece, a rear support piece, a front shell and a rear shell, wherein a connecting cavity and two core holes are formed in the front support piece; clamping grooves are respectively formed in two sides of the rear supporting piece; the two core holes are respectively provided with a core insert; the front ends of the two optical fibers are respectively connected with the rear ends of the two lock pins; the front shell is internally provided with a rear cavity and a front cavity, the front supporting piece is arranged in the rear cavity, and the extending sections of the two inserting cores extend into the front cavity respectively; the rear housing is internally provided with a rear mounting cavity and an optical fiber perforation, the rear end of the front housing is inserted into the rear mounting cavity of the rear housing, and the rear end of the front housing is in threaded connection with the rear mounting cavity of the rear housing. The optical fiber connector socket can enable the socket to be stably connected with an optical cable optical fiber, enables optical fiber signals to be stably output from the socket, has stable structure in the socket and good sealing performance, and can enable the connector socket to adapt to external bad weather.
Description
Technical Field
The present invention relates to a fiber optic connector receptacle.
Background
In an optical communication line, in addition to basic devices including optical fiber cables, optical transmitters, optical repeaters, and optical receivers, many functional devices are required, which are generally classified into active devices and passive devices. The fiber optic connector is a passive device. It is an indispensable device for connection of various devices in an optical fiber communication system. And is the optical fiber device with the largest use amount at present. Due to the gradual fiberization of local communication networks, the demand for metropolitan area networks and subscriber access networks has increased, and in recent years the total demand for the global fiber optic connector market has increased, with an annual growth of around 20% being expected in the next decade. With the continuous maturity of the production design technology of the optical fiber connector and the perfect production process, the new generation of optical fiber connectors with smaller volumes and newer technology are dominant in future communication.
The existing optical fiber connector socket is mainly limited to indoor environments and cannot adapt to external bad weather.
Disclosure of Invention
The invention aims to solve the technical problems that: the defects of the prior art are overcome, the optical fiber connector socket is provided, and the defect of poor stability of the traditional connector socket is overcome.
The technical scheme adopted for solving the technical problems is as follows: the optical fiber connector socket comprises a front supporting piece, a rear supporting piece, a front shell and a rear shell, wherein a connecting cavity and two core holes are formed in the front supporting piece, and the connecting cavity is positioned at the rear sides of the two core holes;
clamping grooves for accommodating optical fibers are respectively formed in two sides of the rear supporting piece, and a connector is formed at the front end of the rear supporting piece; the rear supporting piece is inserted into the connecting cavity through a connecting body at the front end and is fixedly connected with the front supporting piece; the front ends of the two core inserts extend out of the front support body to form an extending section; two optical fibers of the optical cable extend into the two core holes from the two clamping grooves of the rear supporting piece respectively, and the front ends of the two optical fibers are connected with the rear ends of the two inserting cores respectively;
the front shell is internally provided with a rear cavity for installing a front supporting piece and a front cavity for being connected with an external optical cable plug, the front supporting piece is arranged in the rear cavity, and the extending sections of the two inserting cores extend into the front cavity respectively;
the rear shell is internally provided with a rear mounting cavity and an optical fiber perforation, the rear mounting cavity is positioned at the front side of the optical fiber perforation, the rear end of the front shell is inserted into the rear mounting cavity of the rear shell, and the rear end of the front shell is in threaded connection with the rear mounting cavity of the rear shell.
Further, a connecting flange is arranged outside the front shell, an external thread is formed on the front shell at the front side of the connecting flange, and an inner key protrusion is arranged in a front cavity of the front shell.
Further, the connector at the front end of the rear support piece is flat, and the connecting cavity formed in the front support piece is a flat cavity; the upper end and the lower end of the connecting body are respectively provided with a clamping protrusion, and the upper end and the lower end in the connecting cavity are respectively provided with a groove; when the connecting body of the rear supporting piece is inserted into the connecting cavity of the front supporting piece, the upper clamping convex part and the lower clamping convex part are respectively clamped into the upper groove and the lower groove.
Further, the left and right sides of the front supporting piece are respectively provided with an outer key protrusion, and the left and right sides of the rear cavity of the front shell are respectively provided with corresponding inner key grooves; when the front support is inserted into the rear cavity of the front shell, the two outer keys of the front support are convexly inserted into the two inner key grooves of the front shell.
Further, a sealing gasket is arranged at the bottom of the rear mounting cavity of the rear shell, and the rear end of the front shell abuts against the sealing gasket.
Further, compression springs are respectively arranged in the two core holes of the front supporting piece, the front ends of the compression springs are abutted against the insert cores, and the rear ends of the compression springs are abutted against the front end face of the connector of the rear supporting piece.
Further, the high-temperature tube is sleeved outside the joint of the front end of the optical fiber and the rear end of the ferrule, the front end of the high-temperature tube is positioned in the core hole, and the rear end of the high-temperature tube is positioned in the clamping groove of the rear supporting piece.
Further, the rear end of the rear shell is sleeved with a compression ring for compressing the optical cable.
Furthermore, the sealing ring is embedded in the end face of the rear side of the connecting flange.
The beneficial effects of the invention are as follows: the optical fiber connector socket can enable the socket to be stably connected with an optical cable optical fiber, enables optical fiber signals to be stably output from the socket, has stable structure in the socket and good sealing performance, and can enable the connector socket to adapt to external bad weather.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a cross-sectional view of a connector receptacle of the present invention;
FIG. 2 is a front housing cross-sectional view;
fig. 3 and 4 are perspective views of the front support;
fig. 5 and 6 are perspective views of the rear support;
the high-temperature pipe comprises a front supporting piece, a 1A, a groove, a 1B, an outer key bulge, a 2, a rear supporting piece, a 2A, a clamping bulge, a 2B, a clamping groove, a 3, a front shell, a 3A, an inner key bulge, a 4, a rear shell, a 5, an inserting core, a 6, a sealing gasket, a 7, a compression ring, a 8, a compression spring, a 9, a high-temperature pipe, a 10 and a sealing ring.
Detailed Description
The invention will now be further described with reference to specific examples. These drawings are simplified schematic views illustrating the basic structure of the present invention by way of illustration only, and thus show only the constitution related to the present invention.
As shown in fig. 1 to 6, an optical fiber connector socket includes a front support member 1, a rear support member 2, a front housing 3 and a rear housing 4, wherein a connection cavity and two core holes are formed in the front support member 1, and the connection cavity is located at the rear sides of the two core holes.
Clamping grooves 2B for accommodating optical fibers are respectively formed in two sides of the rear support piece 2, and a connector is formed at the front end of the rear support piece 2; the rear support 2 is inserted into the connecting cavity through a connector at the front end and is fixedly connected with the front support 1; the two core holes are respectively provided with a core insert 5, and the front ends of the two core inserts 5 extend out of the front support body to form an extending section; two optical fibers of the optical cable extend into the two core holes from the two clamping grooves 2B of the rear supporting piece 2 respectively, and the front ends of the two optical fibers are connected with the rear ends of the two inserting cores 5 respectively.
The front shell 3 is internally provided with a rear cavity for installing the front support piece 1 and a front cavity for being connected with an external optical cable plug, the front support piece 1 is arranged in the rear cavity, and the extending sections of the two lock pins 5 extend into the front cavity respectively. The rear housing 4 is internally provided with a rear mounting cavity and an optical fiber perforation, the rear mounting cavity is positioned at the front side of the optical fiber perforation, the rear end of the front housing 3 is inserted into the rear mounting cavity of the rear housing 4, and the rear end of the front housing 3 is in threaded connection with the rear mounting cavity of the rear housing 4. The outside of the front shell 3 is provided with a connecting flange, external threads are formed on the front shell 3 at the front side of the connecting flange, and an inner key protrusion 3A is arranged in the front cavity of the front shell 3. The external thread on the front shell 3 is used for being connected with the threaded sleeve on the plug, and the internal key protrusion 3A in the front shell 3 is used for being matched with the key groove on the plug and used for limiting the relative rotation between the plug and the socket, so that the torsion resistance is improved.
The connecting body at the front end of the rear support piece 2 is flat, and the connecting cavity arranged in the front support piece 1 is a flat cavity; the upper end and the lower end of the connecting body are respectively provided with a clamping convex 2A, and the upper end and the lower end in the connecting cavity are respectively provided with a groove 1A; when the connector of the rear support 2 is inserted into the connecting cavity of the front support 1, the upper and lower clamping protrusions 2A are respectively clamped into the upper and lower grooves 1A. The two supporting pieces are connected with each other in such a way that the torsion resistance and the tensile resistance are improved.
The left and right sides of the front support piece 1 are respectively provided with an outer key protrusion 1B, and the left and right sides of the rear cavity of the front shell 3 are respectively provided with corresponding inner key grooves; when the front support 1 is inserted into the rear cavity of the front housing 3, the two outer key protrusions 1B of the front support 1 are inserted into the two inner key grooves of the front housing 3. Such a connection may promote torsional resistance between the front support 1 and the outer housing.
The bottom of the rear mounting cavity of the rear shell 4 is provided with a sealing gasket 6, and the rear end of the front shell 3 is abutted against the sealing gasket 6. This structure can improve the sealability of the connection between the front case 3 and the rear case 4.
Compression springs 8 are respectively arranged in the two core holes of the front support piece 1, the front ends of the compression springs 8 are abutted against the lock pin 5, and the rear ends of the compression springs 8 are abutted against the front end face of the connector of the rear support piece 2. The compression spring 8 works to press the ferrule 5 against the front end of the front support 1 and elastically set it in the front support 1.
The outer part of the joint of the front end of the optical fiber and the rear end of the lock pin 5 is sleeved with a high-temperature pipe 9, the front end of the high-temperature pipe 9 is positioned in the core hole, and the rear end of the high-temperature pipe 9 is positioned in the clamping groove 2B of the rear support 2. The rear end of the rear shell 4 is sleeved with a pressing ring 7 for pressing. The sealing ring 10 is embedded in the rear end face of the connecting flange.
The connector socket is connected with the plug in operation, so that optical fiber signals in the plug are transmitted to optical fiber signals in the socket, the optical fibers are connected with the socket, the optical fiber installation mechanism is stable, the socket has good tightness, the whole structure of the socket is stable, and the severe environment can be resisted.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. The optical fiber connector socket is characterized by comprising a front supporting piece (1), a rear supporting piece (2), a front shell (3) and a rear shell (4), wherein a connecting cavity and two core holes are formed in the front supporting piece (1), and the connecting cavity is positioned at the rear sides of the two core holes; clamping grooves (2B) for accommodating optical fibers are respectively formed in two sides of the rear supporting piece (2), and a connector is formed at the front end of the rear supporting piece (2); the rear supporting piece (2) is fixedly connected with the front supporting piece (1) through the connecting body inserted into the connecting cavity at the front end; the two core holes are respectively provided with a core insert (5), and the front ends of the two core inserts (5) extend out of the front support body to form an extending section; two optical fibers of the optical cable extend into the two core holes from two clamping grooves (2B) of the rear supporting piece (2) respectively, and the front ends of the two optical fibers are connected with the rear ends of the two inserting cores (5) respectively; a rear cavity for installing a front support piece (1) and a front cavity for being connected with an external plug are formed in the front shell (3), the front support piece (1) is arranged in the rear cavity, and the extending sections of the two inserting cores (5) extend into the front cavity respectively; a rear mounting cavity and an optical fiber perforation are formed in the rear shell (4), the rear mounting cavity is positioned at the front side of the optical fiber perforation, the rear end of the front shell (3) is inserted into the rear mounting cavity of the rear shell (4), and the rear end of the front shell (3) is in threaded connection with the rear mounting cavity of the rear shell (4);
the front shell (3) is externally provided with a connecting flange, an external thread is formed on the front shell (3) at the front side of the connecting flange, and an inner key protrusion (3A) is arranged in a front cavity of the front shell (3);
the connecting body at the front end of the rear supporting piece (2) is flat, and the connecting cavity formed in the front supporting piece (1) is a flat cavity; the upper end and the lower end of the connecting body are respectively provided with a clamping protrusion (2A), and the upper end and the lower end in the connecting cavity are respectively provided with a groove (1A); when the connector of the rear support (2) is inserted into the connecting cavity of the front support (1), the upper clamping convex (2A) and the lower clamping convex (2A) are respectively clamped into the upper groove (1A) and the lower groove;
the left and right sides of the front supporting piece (1) are respectively provided with an outer key protrusion (1B), and the left and right sides of the rear cavity of the front shell (3) are respectively provided with corresponding inner key grooves; when the front support piece (1) is inserted into the rear cavity of the front shell (3), the two outer key protrusions (1B) of the front support piece (1) are inserted into the two inner key grooves of the front shell (3).
2. The fiber optic connector receptacle of claim 1, wherein a gasket (6) is provided at a bottom of the rear mounting cavity of the rear housing (4), and the rear end of the front housing (3) abuts against the gasket (6).
3. The optical fiber connector socket according to claim 1, wherein compression springs (8) are respectively arranged in the two core holes of the front support (1), the front ends of the compression springs (8) are abutted against the inserting cores (5), and the rear ends of the compression springs (8) are abutted against the front end face of the connector of the rear support (2).
4. The optical fiber connector socket according to claim 1, wherein a high temperature tube (9) is sleeved outside the joint of the front end of the optical fiber and the rear end of the ferrule (5), the front end of the high temperature tube (9) is positioned in the core hole, and the rear end of the high temperature tube (9) is positioned in the clamping groove (2B) of the rear support (2).
5. The fiber optic connector receptacle of claim 1, wherein the rear end of the rear housing (4) is jacketed with a compression ring (7) for compressing the fiber optic cable.
6. The fiber optic connector receptacle of claim 1, wherein the rear end face of the connection flange is provided with a sealing ring (10) embedded therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711236857.3A CN107748416B (en) | 2017-11-30 | 2017-11-30 | Optical fiber connector socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711236857.3A CN107748416B (en) | 2017-11-30 | 2017-11-30 | Optical fiber connector socket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107748416A CN107748416A (en) | 2018-03-02 |
| CN107748416B true CN107748416B (en) | 2023-12-22 |
Family
ID=61250037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711236857.3A Active CN107748416B (en) | 2017-11-30 | 2017-11-30 | Optical fiber connector socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107748416B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609368A (en) * | 2018-06-15 | 2019-12-24 | 科大国盾量子技术股份有限公司 | Refrigeration box optical fiber via hole sealing device, refrigeration box and single photon detection device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05119240A (en) * | 1991-10-28 | 1993-05-18 | Hitachi Cable Ltd | Multi-fiber optical connector |
| JP2003149506A (en) * | 2001-11-14 | 2003-05-21 | Fujikura Ltd | Optical connection component with ferrule and optical connector receptacle |
| JP2007078740A (en) * | 2005-09-09 | 2007-03-29 | Fujikura Ltd | Optical connector receptacle, and substrate with the same |
| JP2007121859A (en) * | 2005-10-31 | 2007-05-17 | Fujikura Ltd | Optical connector receptacle and optical connector |
| JP2008026647A (en) * | 2006-07-21 | 2008-02-07 | Fujikura Ltd | Optical receptacle housing, optical connector receptacle, and optical equipment |
| US7658551B1 (en) * | 2008-10-27 | 2010-02-09 | Advanced Connectek Inc. | Optical fiber connector |
| 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 |
| CN105137547A (en) * | 2015-09-02 | 2015-12-09 | 中航光电科技股份有限公司 | Fiber connector and fiber connector assembly |
| JP2016164600A (en) * | 2015-03-06 | 2016-09-08 | 株式会社フジクラ | Plug-side optical connector, optical connector system, and optical cable with connector |
| CN207557534U (en) * | 2017-11-30 | 2018-06-29 | 金信诺（常州）轨道信号系统科技有限公司 | Fiber connector socket |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3345026B1 (en) * | 2015-08-31 | 2020-10-14 | Commscope Technologies LLC | Splice-on fiber optic connector |
-
2017
- 2017-11-30 CN CN201711236857.3A patent/CN107748416B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05119240A (en) * | 1991-10-28 | 1993-05-18 | Hitachi Cable Ltd | Multi-fiber optical connector |
| JP2003149506A (en) * | 2001-11-14 | 2003-05-21 | Fujikura Ltd | Optical connection component with ferrule and optical connector receptacle |
| JP2007078740A (en) * | 2005-09-09 | 2007-03-29 | Fujikura Ltd | Optical connector receptacle, and substrate with the same |
| JP2007121859A (en) * | 2005-10-31 | 2007-05-17 | Fujikura Ltd | Optical connector receptacle and optical connector |
| JP2008026647A (en) * | 2006-07-21 | 2008-02-07 | Fujikura Ltd | Optical receptacle housing, optical connector receptacle, and optical equipment |
| US7658551B1 (en) * | 2008-10-27 | 2010-02-09 | Advanced Connectek Inc. | Optical fiber connector |
| 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 |
| JP2016164600A (en) * | 2015-03-06 | 2016-09-08 | 株式会社フジクラ | Plug-side optical connector, optical connector system, and optical cable with connector |
| CN105137547A (en) * | 2015-09-02 | 2015-12-09 | 中航光电科技股份有限公司 | Fiber connector and fiber connector assembly |
| CN207557534U (en) * | 2017-11-30 | 2018-06-29 | 金信诺（常州）轨道信号系统科技有限公司 | Fiber connector socket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107748416A (en) | 2018-03-02 |
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