CN108181692B - Plug-in sheet type optical branching device - Google Patents
Plug-in sheet type optical branching device Download PDFInfo
- Publication number
- CN108181692B CN108181692B CN201711493035.3A CN201711493035A CN108181692B CN 108181692 B CN108181692 B CN 108181692B CN 201711493035 A CN201711493035 A CN 201711493035A CN 108181692 B CN108181692 B CN 108181692B
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- China
- Prior art keywords
- plug
- hole
- adapter
- mounting
- mounting groove
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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.)
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- 230000003287 optical effect Effects 0.000 title claims abstract description 42
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000000758 substrate Substances 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4471—Terminating devices ; Cable clamps
-
- 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
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
- G02B6/387—Connector plugs comprising two complementary members, e.g. shells, caps, covers, locked together
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model provides an inserting sheet type optical branching device, which comprises a box body, wherein the front end of the box body is provided with an adapter mounting rack, the adapter mounting rack comprises a base plate, and a row of mounting ports for mounting adapters are arranged on the base plate, and the inserting sheet type optical branching device is characterized in that: compared with the prior art, the utility model has the advantages that the integrated mounting groove can be used for simultaneously inserting and matching the SC adapter and the LC adapter, the modularization degree of the optical splitter can be obviously improved, the installation and capacity expansion program of the optical splitter are simplified, the plug is only required to be inserted into the through hole on the first plate body or the second plate body when in installation, the end part of the plug is provided with the end cap which is larger than the through hole to cover the through hole, the sleeve head is sleeved, and the end part of the sleeve head elastic clamping pin is gradually contracted inwards to form the gripping force of the pagoda shape to fasten the convex head of the plug.
Description
Technical Field
The present disclosure relates to optical splitters, and particularly to an optical splitter.
Background
In recent years, the infrastructure speed of the domestic telecommunication industry is continuously increased, 7 departments such as the industrial information department, the national delivery and change commission and the like commission to jointly deliver files in 2010, and a telecom operator is required to accelerate the promotion of optical fiber broadband construction, accelerate urban optical fiber to the home and propose that all optical fiber to the home projects are fully started, and the planar waveguide optical splitter is one of core components of FTTH. Through setting up the box in the corridor, dispose the mode of PLC optical divider in the box, distribute the transmission to user's home with the optical signal. In order to save the box space, the PLC optical splitter needs a reasonable packaging structure, so that the operation is convenient, and the size is reduced. The plug-in type optical divider is applied in a plug-in type, has a compact packaging structure and is simple to operate, and the problem can be well solved. Such an inserted optical splitter is disclosed in chinese patent No. ZL201220020920.6 (bulletin No. CN 202676955U), wherein the inserted box comprises a box body, a box cover and a stop lever. The box body, the upper part and the lower part of the stop lever and the box cover are all provided with 9 optical adapter slots, a barrier is arranged between every 2 slots, and a single slot is reserved at the leftmost side. The front of the box body is provided with 4 fixing buttons, the outside is provided with left and right inserting sheets, the inside is provided with 4 fixing keys, and the inside front end is provided with left and right sliding grooves. The stop lever all have the trench from top to bottom, have L slide bar about, the slide bar combines together with the box body spout. The box cover is provided with 4 locking hooks which are combined with the fixed key of the box body. The optical adapter is of an SC type. The optical splitter main body is a PLC type connector with an SC type connector, and the splitting ratio is M x N (M is 1 or 2, N is 4,8, 16, 32 and 64). The plug-in type optical splitter has reasonable packaging structure, compact structure and simple operation, provides a more convenient routing mode for the optical fiber to the home, and completes the optical signal distribution from the optical fiber to the end of the home, but the optical splitter has low modularization degree, inconvenient expansion and needs further change.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the inserted sheet type optical splitter which can improve the modularization degree of the optical splitter and simplify the installation and capacity expansion procedures of the optical splitter.
The technical scheme adopted for solving the technical problems is as follows: this inserted sheet formula optical divider, including the box body, the front end of box body is provided with the adapter mounting bracket, the adapter mounting bracket is including the base plate, is provided with the installing port that a row of is used for the adapter installation on this base plate, its characterized in that: the mounting port can be detachably provided with an integrated mounting groove for the joint insertion and the matching of two optical adapters, the mounting groove comprises a first mounting groove, a second mounting groove and an anti-interference piece for limiting mutual interference of adjacent optical adapters between the first mounting groove and the second mounting groove, the first mounting groove is provided with at least two rows of first jacks for inserting an SC adapter, and the second mounting groove is also provided with at least two rows of second jacks for inserting an LC adapter.
Further, the first jack is a square hole matched with the SC adapter housing, the second jack is a transverse convex hole matched with the LC adapter housing, and the square hole is partially communicated with the hole wall adjacent to the transverse convex hole.
Further, the hole walls of the square holes adjacent to the convex holes are divided into a first hole wall extending vertically downwards and a second hole wall extending vertically upwards, and the first hole wall and the second hole wall are arranged oppositely.
In order to prevent mutual interference of adjacent optical adapters between the first mounting groove and the second mounting groove, more simply, the first hole wall is connected with the hole wall of the transverse convex hole, the second hole wall is connected with the hole wall of the transverse convex hole through an arc-shaped connecting wall, and the connecting wall forms the anti-interference piece.
Preferably, the connecting wall is curved gradually from left to right.
In order to omit the trouble of screw nut installation, the base plate outwards extends in the both sides of installing port has first plate body and second plate body, be provided with the through-hole that supplies the connecting piece to install on first plate body and the second plate body, the connecting piece is including the plug and can overlap the pullover of establishing on this plug, the tip of plug has more than the end cap of through-hole, and the afterbody evagination of plug has the protruding head, the pullover is including the basal portion that can supply the plug afterbody passed, the outer peripheral face of this basal portion has outwards to extend and a pair of elasticity card foot that the interval set up, the tip of elasticity card foot inwards contracts gradually so as to form the pagoda form under the basal portion of pullover embolia the state of plug, elasticity card foot can compress tightly on the protruding head in order to fix the plug on the through-hole.
Further, the tail of the plug is respectively and inwards recessed in the radial direction to form a first concave ring and a second concave ring which can be used for positioning the base part of the sleeve head and the elastic clamping pin, the outer diameter of the first concave ring is larger than that of the second concave ring, the base part can be abutted against the first concave ring, and the elastic clamping pin can be limited in the second concave ring and move relative to the protruding head.
Preferably, the elastic clamping legs are three.
Compared with the prior art, the utility model has the advantages that the integrated mounting groove can be used for simultaneously inserting and matching the SC adapter and the LC adapter, the modularization degree of the optical divider can be obviously improved, the mounting and capacity expansion procedures of the optical divider are simplified, and the comprehensive benefits of products can be improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a cartridge structure with an adapter and a connector omitted in an embodiment of the present utility model;
FIG. 3 is a schematic view of an integrated mounting groove according to an embodiment of the present utility model;
FIG. 4 is an enlarged view of the structure of FIG. 3A;
fig. 5 is a schematic structural diagram of a plug and a socket in a mated state according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of a plug according to an embodiment of the present utility model;
FIG. 7 is a schematic view of a structure of a ferrule according to an embodiment of the present utility model;
FIG. 8 is a schematic cross-sectional view illustrating a state in which the elastic legs of the ferrule are moved relative to the male portion to pull out the plug from the ferrule according to the embodiment of the present utility model;
fig. 9 is a schematic cross-sectional view showing a state that the elastic clamping leg of the sleeve head is fastened to the plug sleeve head according to the embodiment of the utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 9, which are preferred embodiments of the present utility model. The plug-in sheet type optical branching device comprises a box body 1, wherein an adapter mounting frame 2 is arranged at the front end of the box body 1, the adapter mounting frame 2 comprises a base plate 21, a row of mounting ports 22 for mounting adapters are arranged on the base plate 21, an integrated mounting groove 7 for the joint insertion and matching of two optical adapters is detachably mounted on the mounting ports 22, the mounting groove 7 comprises a first mounting groove 71 and a second mounting groove 71 which are vertically arranged, and an anti-interference piece for limiting the mutual interference of adjacent optical adapters between the first mounting groove 71 and the second mounting groove 72, the first mounting groove 71 is provided with a first jack 711 for inserting an SC adapter in an upper row and a lower row, and the second mounting groove 72 is also provided with a second jack 721 for inserting an LC adapter in an upper row and a lower row. The first jack is a square hole matched with the SC adapter shell, the second jack 721 is a transverse convex hole matched with the LC adapter shell, and the square hole is partially communicated with the hole wall adjacent to the transverse convex hole. Wherein, the walls of the square holes adjacent to the convex holes are divided into a first wall 7111 extending vertically downwards and a second wall 7112 extending vertically upwards, and the first wall 7111 and the second wall 7112 are arranged opposite to each other. The first hole wall 7111 is connected with the hole wall 7211 of the transverse convex hole, the second hole wall 7112 is connected with the hole wall 7211 of the transverse convex hole through the arc-shaped connecting wall 8, and the connecting wall 8 is gradually bent from left to right to form an anti-interference member.
In this embodiment, 9 integrated installation slots are taken as an example, and the integrated installation slots adopt two plugging and matching of an SC adapter and an LC adapter, so that the modularization degree of the optical splitter can be obviously improved, for example, the SC adapter is one division 8, the upper and lower two are one division 16, the LC adapter is one division 8, the upper and lower two are one division 16, the capacity is improved by 4 times, compared with the expansion of a single adapter, the modularization degree of the optical splitter can be obviously improved, the installation and expansion procedures of the optical splitter can be simplified, the connection in a combination mode is effectively realized, and the adapters 20 of SC and LC and the quantity thereof can be flexibly selected according to practical conditions.
In addition, the substrate 21 extends outwards from two sides of the mounting opening 22 to form a first board body 3 and a second board body 4, through holes 6 for mounting the connectors 5 are formed in the first board body 3 and the second board body 4, in this embodiment, the optical fiber terminal box is an MPO terminal box, the connectors 5 include a plug 51 and a ferrule 52 capable of being sleeved on the plug 51, wherein an end of the plug 51 has an end cap 511 larger than the through holes 6, a protruding head 512 protrudes outwards from the tail of the plug 51, the ferrule 52 includes a base 521 capable of allowing the tail of the plug 51 to pass through, three elastic clamping legs 522 extending outwards and arranged at intervals are arranged on the outer peripheral surface of the base 521, the ends of the elastic clamping legs 522 are gradually retracted inwards to form a pagoda shape, and in a state that the base 521 of the ferrule 52 is sleeved on the plug 51, the elastic clamping legs 522 can be pressed on the protruding head 512 to fix the plug 51 on the through holes 6. To better position the base 521 and the elastic leg 522 of the ferrule 52, the tail of the plug 51 is recessed radially inward with a first concave ring 513 and a second concave ring 514 for positioning the base 521 and the elastic leg 522 of the ferrule 52, respectively, the outer diameter of the first concave ring 513 is larger than that of the second concave ring 514, wherein the base 521 can abut against the first concave ring 513 and the elastic leg 522 can be limited in the second concave ring 514 and move relative to the raised head 512.
Because the end of the elastic clamping leg 522 gradually contracts inwards to form a pagoda shape, the elastic clamping leg 522 is just matched with the second concave ring 514 with a relatively smaller outer diameter, the base 521 can abut against the first concave ring 513 with a relatively larger outer diameter, the sleeve 52 is positioned by the first concave ring 513 and the second concave ring 514 together, when the plug 51 is inserted into the through hole 6 of the first plate body 3 or the second plate body 4, the end cap 511 can seal the through hole 6, in the state that the sleeve 52 fixes the plug 51, the base 521 of the sleeve 52 can abut against the first concave ring 513 with a relatively larger outer diameter, each elastic clamping leg 522 can be restrained in the second concave ring 514 in an inwards contracting manner and abuts against the raised head 512, and when the plug 51 needs to be pulled out from the sleeve 52, the elastic clamping leg 522 of the sleeve 52 only needs to be moved towards the raised head 512, so that each elastic clamping leg 522 can expand outwards along the raised head 512, the base 521 of the sleeve 52 moves outwards relative to the first convex ring, and the plug 51 can be pulled out from the sleeve 52.
Therefore, the complicated installation of the screw and the nut is omitted, during the installation, the plug 51 is only required to be inserted into the through hole 6 on the first plate body 3 or the second plate body 4, the end part of the plug 51 is provided with the end cap 511 which is larger than the through hole 6 to cover the through hole 6, the sleeve head 52 is sleeved, the end part of the elastic clamping leg 522 of the sleeve head 52 is gradually contracted inwards to form the clamping force formed by the pagoda shape so as to fasten the convex head 512 of the plug 51, and during the disassembly, the elastic clamping leg 522 is only required to be moved relative to the convex head 512, so that each elastic clamping leg 522 can be outwards expanded along the convex head 512, and the plug 51 can be pulled out from the sleeve head 52.
Claims (5)
1. The utility model provides an inserted sheet formula optical divider, including box body (1), the front end of box body (1) is provided with adapter mounting bracket (2), adapter mounting bracket (2) are including base plate (21), are provided with one row of installing port (22) that are used for the adapter installation on this base plate (21), its characterized in that: the mounting port (22) is detachably provided with 9 integrated mounting grooves (7) for the joint insertion and the matching of two optical adapters, the mounting grooves (7) comprise a first mounting groove (71) and a second mounting groove (72) which are vertically arranged, and an anti-interference piece for limiting the mutual interference of adjacent optical adapters between the first mounting groove (71) and the second mounting groove (72), the first mounting groove (71) is provided with at least two rows of first jacks (711) for inserting an SC adapter, and the second mounting groove (72) is also provided with at least two rows of second jacks (721) for inserting an LC adapter; the first insertion hole (711) is a square hole matched with the SC adapter shell, the second insertion hole (721) is a transverse convex hole matched with the LC adapter shell, and the square hole is partially communicated with a hole wall (7211) adjacent to the transverse convex hole; the hole wall (7211) of the square hole adjacent to the convex hole is divided into a first hole wall (7111) extending vertically downwards and a second hole wall (7112) extending vertically upwards, and the first hole wall (7111) and the second hole wall (7112) are arranged oppositely; the first hole wall (7111) is connected with the hole wall (7211) of the transverse convex hole, the second hole wall (7112) is connected with the hole wall of the transverse convex hole through an arc-shaped connecting wall (8), and the connecting wall (8) forms the anti-interference piece.
2. The tab-type optical splitter according to claim 1, wherein: the connecting wall (8) is gradually bent from left to right.
3. The plug-in optical splitter according to any one of claims 1-2, wherein: the base plate (21) is provided with a first plate body (3) and a second plate body (4) which extend outwards from two sides of the mounting opening (22), the first plate body (3) and the second plate body (4) are provided with through holes (6) for mounting the connecting piece (5), the connecting piece (5) comprises a plug (51) and a sleeve head (52) which can be sleeved on the plug (51), the end part of the plug (51) is provided with an end cap (511) which is larger than the through holes (6), the tail part of the plug (51) is externally protruded with a protruding head (512), the sleeve head (52) comprises a base part (521) which can be penetrated by the tail part of the plug (51), the outer circumferential surface of the base part (521) is provided with at least one pair of elastic clamping pins (522) which extend outwards and are arranged at intervals, the end parts of the elastic clamping pins (522) are gradually contracted inwards to form a pagoda shape, and the elastic clamping pins (522) can be tightly pressed on the protruding head (512) in a state that the base part (521) of the sleeve head (51) is sleeved on the plug (51).
4. A tab-type optical splitter according to claim 3, wherein: the tail of the plug (51) is provided with a first concave ring (513) and a second concave ring (514) which are respectively and inwards concave along the radial direction and can be used for positioning a base (521) and an elastic clamping foot (522) of the sleeve head (52), the outer diameter of the first concave ring (513) is larger than that of the second concave ring (514), the base (521) can be abutted against the first concave ring (513), and the elastic clamping foot (522) can be limited in the second concave ring (514) and move relative to the convex head (512).
5. The tab-type optical splitter of claim 4, wherein: the elastic clamping legs (522) are three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711493035.3A CN108181692B (en) | 2017-12-30 | 2017-12-30 | Plug-in sheet type optical branching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711493035.3A CN108181692B (en) | 2017-12-30 | 2017-12-30 | Plug-in sheet type optical branching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108181692A CN108181692A (en) | 2018-06-19 |
| CN108181692B true CN108181692B (en) | 2024-02-06 |
Family
ID=62549401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711493035.3A Active CN108181692B (en) | 2017-12-30 | 2017-12-30 | Plug-in sheet type optical branching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108181692B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024016964A1 (en) * | 2022-07-20 | 2024-01-25 | 华为技术有限公司 | Optical fiber splitter |
| CN117784337B (en) * | 2023-12-29 | 2024-05-17 | 滁州爱沃富光电科技有限公司 | Split type optical divider |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003076999A1 (en) * | 2002-03-14 | 2003-09-18 | Suncall Corporation | Adapter for optical connector |
| JP2004354693A (en) * | 2003-05-29 | 2004-12-16 | Suncall Corp | Optical connector |
| CN201820021U (en) * | 2010-10-18 | 2011-05-04 | 深圳市华晨通信技术有限公司 | Three-in-one optical fiber connector plug fixed seat for FTTH (fiber to the home) |
| CN205091486U (en) * | 2015-10-30 | 2016-03-16 | 苏州科兰光通讯有限公司 | Double block of four adapter shell of LC and adapter |
| CN206133090U (en) * | 2016-11-06 | 2017-04-26 | 宁波隆兴电信设备制造有限公司 | Optical fiber terminal box |
| CN207946574U (en) * | 2017-12-30 | 2018-10-09 | 宁波隆兴电信设备制造有限公司 | A kind of insert type optical branching device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6511231B2 (en) * | 2000-12-27 | 2003-01-28 | Fitel Usa Corp. | Optical connector receptacle having switching capability |
| US8406597B2 (en) * | 2010-02-16 | 2013-03-26 | Commscope, Inc. Of North Carolina | Intelligent fiber optic adapter mounting structures that receive and correctly position multiple types of fiber optic adapters and related adapter collars and bulkheads |
| US9599779B2 (en) * | 2014-07-14 | 2017-03-21 | Alliance Fiber Optic Products, Inc. | Stackable optical fiber adapter |
-
2017
- 2017-12-30 CN CN201711493035.3A patent/CN108181692B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003076999A1 (en) * | 2002-03-14 | 2003-09-18 | Suncall Corporation | Adapter for optical connector |
| JP2004354693A (en) * | 2003-05-29 | 2004-12-16 | Suncall Corp | Optical connector |
| CN201820021U (en) * | 2010-10-18 | 2011-05-04 | 深圳市华晨通信技术有限公司 | Three-in-one optical fiber connector plug fixed seat for FTTH (fiber to the home) |
| CN205091486U (en) * | 2015-10-30 | 2016-03-16 | 苏州科兰光通讯有限公司 | Double block of four adapter shell of LC and adapter |
| CN206133090U (en) * | 2016-11-06 | 2017-04-26 | 宁波隆兴电信设备制造有限公司 | Optical fiber terminal box |
| CN207946574U (en) * | 2017-12-30 | 2018-10-09 | 宁波隆兴电信设备制造有限公司 | A kind of insert type optical branching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108181692A (en) | 2018-06-19 |
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