CN111694105A - MPO connector with shielding type unlocking prevention structure and assembling method thereof - Google Patents
MPO connector with shielding type unlocking prevention structure and assembling method thereof Download PDFInfo
- Publication number
- CN111694105A CN111694105A CN202010698345.4A CN202010698345A CN111694105A CN 111694105 A CN111694105 A CN 111694105A CN 202010698345 A CN202010698345 A CN 202010698345A CN 111694105 A CN111694105 A CN 111694105A
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- China
- Prior art keywords
- unlocking
- mpo connector
- cover
- shell
- mpo
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Classifications
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- 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
-
- 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
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3885—Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type
Abstract
The invention provides an MPO connector with a shielding type anti-unlocking structure, which is detachably connected with an MPO adapter, and comprises an MPO connector and an anti-unlocking assembly, wherein the MPO connector with the shielding type anti-unlocking structure comprises a shell, a front sleeve and an optical fiber jumper wire, the front sleeve is sleeved on the optical fiber jumper wire, the shell is sleeved on the front sleeve, the rear end of the front sleeve is provided with a rear end bulge, and a limit gap is formed between the shell and the rear end bulge; prevent unblock subassembly includes the shade, and the shade parcel is on the shell, and in the spacing clearance of shade embedding. The invention also provides an assembling method of the MPO connector with the shielding type anti-unlocking structure, wherein the shielding is assembled when the shell and the front sleeve are assembled, the optical fiber jumper is assembled, and then the MPO connector provided with the shielding is assembled with the MPO adapter, so that the connection of the MPO connector and the MPO adapter is conveniently realized.
Description
Technical Field
The invention relates to the technical field of optical communication, in particular to an MPO connector with a shielding type unlocking prevention structure and an assembling method thereof.
Background
With the rapid development of information technology, the global demand for optical communication products is increasing, and the optical communication industry is becoming one of the most important industries in the process of informatization. In recent years, in order to meet the requirement of a large number of optical fibers in a data center and facilitate the splicing and plugging of optical fibers, many types of optical fiber connection products are available. The Multi-fiber push On/Pull Off (MPO) connector has more than 1 fiber core, and is a connector type of high-speed transmission standard. When the MPO connector is applied in high-density side-by-side mode (including being butted with an MPO interface on an optical module and being butted with an interface of an MPO adapter), when an operation and maintenance person inserts, pulls, inserts and installs the MPO connector, the operation and maintenance person may accidentally unlock the adjacent MPO connector by mistake, if the incorrect unlocking condition cannot be found and processed on the spot, some links in a normal working state are abnormal, the maintenance is very troublesome, and great troubles are caused to the operation and maintenance. In the prior art, the MPO connector is directly used for connecting the adapter under most conditions and is fixed by the self-locking function of the MPO connector, and the scheme does not have the function of preventing mistaken unlocking. Furthermore, prior art MPO connector housings are exposed and are easily accessible, resulting in a mis-unlocking condition. In order to prevent mistaken unlocking, an adhesive process is adopted in the prior art, the optical module and the MPO connector are connected and fixed through the MPO adapter by using glue, but the optical module and the MPO connector are difficult to detach after being fixed by using the glue and cannot be plugged and replaced, the adhesive process is added, the production cost is improved, and the production efficiency is reduced.
Disclosure of Invention
In view of the above, the present invention provides an MPO connector with a cover-type unlocking prevention structure, including an MPO connector and an unlocking prevention assembly connected to a housing of the MPO connector, where the unlocking prevention assembly includes an assembly cover, and the assembly cover is wrapped on the housing of the MPO connector and cannot directly contact the housing to perform unlocking, so as to prevent the unlocking from being mistakenly performed.
Another object of the present invention is to provide an assembly method of an MPO connector having a cover type unlocking prevention structure, in which a cover is assembled when a housing and a front cover are assembled, and then an optical fiber jumper is assembled, and then the MPO connector with the cover is assembled with an MPO adapter, so that the connection between the MPO connector and the MPO adapter is conveniently realized.
In order to achieve the purpose, the invention provides an MPO connector with a shielding type unlocking prevention structure, which is detachably connected with an MPO adapter, wherein the MPO connector with the shielding type unlocking prevention structure comprises an MPO connector and an unlocking prevention assembly, the MPO connector comprises a shell, a front sleeve and an optical fiber jumper wire, the front sleeve is sleeved on the optical fiber jumper wire, the shell is sleeved on the front sleeve, the rear end of the front sleeve is provided with a rear end bulge, and a limit gap is formed between the shell and the rear end bulge; the anti-unlocking assembly comprises a shade, the shade is wrapped on the shell, and the shade is embedded into the limiting gap.
Preferably, the shroud has opposite front and rear ends, the rear end fitting into the limiting gap when the shroud is fitted on the MPO connector.
Preferably, the unlocking prevention assembly comprises an unlocking button, and the unlocking button is rotatably connected with the outer shell.
Preferably, the two sides of the housing are respectively provided with symmetrically distributed round holes, the unlocking buckle is provided with a limiting part and two connectors, the two connectors are respectively inserted into the two round holes, and the unlocking buckle is rotatably connected with the housing through the two connectors; when the unlocking buckle rotates to the limit part and is attached to the rear end, the unlocking buckle is integrally attached to the shielding cover.
Preferably, the unlocking device is of an integral structure.
Preferably, the unlocking buckle is formed by bending a metal rod.
Preferably, the cover is movably sleeved on the shell from one end of the optical fiber jumper, and the cover completely wraps the shell and the rear end bulge.
Preferably, the shade has a protrusion inside, and when the shade wraps the housing, the protrusion is embedded in the limit gap.
The invention provides an assembling method of an MPO connector with a shielding type unlocking prevention structure, which comprises the following steps:
(A) assembling the housing, the front cover, and the shroud;
(B) assembling the assembled shell, the front sleeve, the shade and the optical fiber jumper together;
(C) the unlocking button is rotatably arranged on the shell.
The invention provides an assembling method of an MPO connector with a shielding type unlocking prevention structure, which comprises the following steps:
(A) the optical fiber jumper is sleeved with the shade;
(B) assembling the shell, the front sleeve and the optical fiber jumper to form the MPO connector;
(C) the cover is moved to the position, where the cover is sleeved on the shell, along the optical fiber jumper, and the cover is embedded into the limiting gap.
Compared with the prior art, the MPO connector with the shielding type unlocking prevention structure and the assembling method thereof disclosed by the invention have the advantages that: the MPO connector with the shielding type unlocking prevention structure can effectively prevent mistaken unlocking, does not influence the original locking connection of the MPO connector, and can effectively improve the connection reliability; by arranging the unlocking buckle, the MPO connector can be conveniently disassembled, and operation and maintenance are convenient; the MPO connector with the shielding type unlocking prevention structure is simple in assembly process, low in requirement on assembly personnel, free of using additional tools and high in production efficiency; the MPO connector with the shielding type unlocking prevention structure can be used for a long time, is not easy to damage and has low use cost; the MPO connector with the shielding type unlocking prevention structure has strong applicability; the MPO connector with the shielding type unlocking preventing structure is simple, convenient and quick in assembling method, low in production cost and high in efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view showing the structure of a prior art MPO connector.
Fig. 2 is an exploded view of a prior art MPO connector.
Fig. 3 is a schematic view showing a construction of an MPO connector having a hood-type unlocking prevention structure according to the present invention.
Fig. 4 is an exploded view of an MPO connector having a shroud-type unlocking prevention structure according to the present invention.
Fig. 5 is a schematic view of the housing, shroud and front cover before assembly.
Fig. 6 shows the assembled structure of the housing, the shroud and the front cover.
Fig. 7 is a schematic structural view of the assembled housing, shroud, front cover and optical fiber patch cord before assembly.
Fig. 8 is a schematic structural view of the assembled housing, cover, front cover, and optical fiber patch cord.
Fig. 9 is a schematic structural view of the assembled housing, cover, front cover, and optical fiber patch cord before being assembled with the release button.
Fig. 10 is a schematic structural view of the assembled MPO connector and anti-unlock assembly shown prior to assembly with an MPO adapter.
Fig. 11 is a schematic structural view showing the assembled MPO connector and anti-unlock assembly assembled with the MPO adapter with the unlock catch in the locked state.
Fig. 12 is a schematic structural view showing the assembled MPO connector and anti-unlock assembly assembled with the MPO adapter with the unlock button in an unlocked state.
Fig. 13 is a schematic view of a variant of the MPO connector of the present invention having a shroud-type unlocking prevention structure before assembly.
Fig. 14 is a schematic assembled view showing a modified MPO connector having a hood-type unlocking prevention structure according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the MPO connector 10 includes a housing 11, a front sleeve 12 and an optical fiber jumper 13, the front sleeve 12 is sleeved on an end portion of the optical fiber jumper 13, the housing 11 is sleeved on the front sleeve 12, two sides of the housing 11 are respectively provided with symmetrically arranged circular holes 111, a rear end protrusion 121 is arranged at a rear end of the front sleeve 12, a limiting gap 100 is formed between the housing 11 and the rear end protrusion 121, the housing 11 can slide along the front sleeve 12 under the action of an external force, and the width of the limiting gap 100 is reduced in the sliding process, so as to unlock the MPO connector 10.
As shown in fig. 3 and 4, the MPO connector with the cover type unlocking prevention structure of the present invention includes an MPO connector 10 and an unlocking prevention assembly 20, wherein the unlocking prevention assembly 20 includes a cover 21 and an unlocking stopper 22, the cover 21 is wrapped on the housing 11, and the cover 21 is embedded in the limiting gap 100 and cannot directly contact the housing 11 from the outside, so as to achieve the function of preventing the unlocking by mistake. The unlocking button 22 is rotatably connected with the housing 11 through two circular holes 111, the unlocking button 22 can be rotated to be attached to the mask 21, and unlocking of the MPO connector 10 can be achieved by operating the unlocking button 22.
Specifically, the cover 21 has opposite front and rear ends 211 and 212, and the rear end 212 fits into the limiting gap 100 when the cover 21 is fitted to the MPO connector 10. The unlocking buckle 22 has a limiting portion 221 and two connectors 222, the two connectors 222 are respectively inserted into the two round holes 111, and the unlocking buckle 22 is rotatably connected with the housing 11 through the two connectors 222. When the release buckle 22 rotates to the position where the limit portion is fitted to the rear end 212, the release buckle 22 is integrally fitted to the cover 21, and the MPO connector 10 cannot be unlocked by the release buckle 22 without any special operation. The cover 21 and the release buckle 22 are assembled on the MPO connector 10 and then disassembled without any special external force, and are not detached or lost.
It should be noted that, instead of the unlocking buckle 22, a bent crochet hook, a pointed forceps, or other tools may be used to hook the circular hole 111 and drive the housing 11 to move for unlocking.
The mask 21 may be made of metal, alloy or plastic. The release buckle 22 can be made of metal, alloy or plastic, and is not easy to damage in general use environment and has long service life.
Preferably, the release catch 22 is of unitary construction. For example, the unlocking buckle 22 is formed by bending a metal rod, wherein the two connectors 222 are formed by bending two end portions of the metal rod, the limiting portion 221 is formed by the middle portion of the metal rod, the unlocking buckle 22 of the integrated structure is firmer in structure, not prone to fracture and longer in service life, the unlocking buckle 22 adopting the metal rod bending mode is light in weight and small in size, and the overall weight and size of the MPO connector can be effectively reduced.
As shown in fig. 5 and 6, when assembling the housing 11 and the front cover 12, and assembling the cover 21 at the same time, the cover 21 is firstly sleeved on the housing 11, and then the housing 11 sleeved with the cover 21 is sleeved on the front cover 12, so that the rear end 212 is embedded in the limiting gap 100. Then, as shown in fig. 7 and 8, the assembled housing 11, front cover 12 and cover 21 are fitted over the optical fiber jumpers 13. Then, the unlocking pieces 22 are mounted on the housing 11 through the two circular holes 111, and the assembly of the MPO connector having the hood type unlocking prevention structure is completed.
As shown in fig. 10, the MPO connector having the cover type unlocking prevention structure is assembled with the MPO adapter 30 to form the assembled product shown in fig. 11, and at this time, the front end 211 and the rear end 212 of the cover 21 are respectively abutted and limited by the MPO adapter 30 and the rear end protrusion 121, so as to prevent the cover 21 from moving. When the MPO connector with the cover type unlocking prevention structure needs to be unlocked, the unlocking device 22 needs to be unlocked in a clearance mode, as shown in fig. 12, the unlocking device 22 is rotated, then the unlocking device 22 can be directly pulled, the shell 11 is driven to move by taking the two round holes 111 as the acting points, and the unlocking device 22 can also be rotated to be in contact with the MPO adapter 30 to drive the shell 11 to move by utilizing the lever principle.
As shown in fig. 13 and 14, in a variation of the MPO connector with the shielding type unlocking prevention structure according to the present invention, the unlocking prevention assembly 20 only includes a shielding cover 21A, the shielding cover 21A is a tail sleeve structure, the shielding cover 21A is movably sleeved on the housing 11 from one end of the optical fiber jumper 13, the shielding cover 21A completely wraps the housing 11, the housing 11 cannot be directly contacted from the outside, and the shielding cover 21A is embedded in the limiting gap 100, so as to achieve the function of preventing the unlocking by mistake. The inside of the cover 21A has a protrusion 211A, and when the cover 21A completely wraps the housing 11, the protrusion 211A is inserted into the limiting gap 100, so that the cover 21A is fixedly connected to the MPO connector 10. When unlocking is required, the unlocking can be realized by directly pulling the shade 21A.
The application also provides an assembling method of the MPO connector with the shielding type unlocking prevention structure, which comprises the following steps:
(A) assembling a shell, a front sleeve and a shade;
(B) assembling the assembled shell, the front sleeve, the shade and the optical fiber jumper together;
(C) the unlocking button can be rotatably arranged through two round holes on the shell.
The method for assembling the variant MPO connector with the shielding type unlocking prevention structure comprises the following steps:
(A) a shade is sleeved on the optical fiber jumper;
(B) assembling the shell, the front sleeve and the optical fiber jumper to form an MPO connector;
(C) the shade is moved to the shade along the optical fiber jumper wire to be sleeved on the shell, and the shade is embedded into the limiting gap.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An MPO connector with a shielding type unlocking prevention structure is detachably connected with an MPO adapter, and is characterized in that the MPO connector with the shielding type unlocking prevention structure comprises an MPO connector and an unlocking prevention assembly, the MPO connector comprises a shell, a front sleeve and an optical fiber jumper wire, the front sleeve is sleeved on the optical fiber jumper wire, the shell is sleeved on the front sleeve, the rear end of the front sleeve is provided with a rear end bulge, and a limit gap is formed between the shell and the rear end bulge; the anti-unlocking assembly comprises a shade, the shade is wrapped on the shell, and the shade is embedded into the limiting gap.
2. The covered anti-unlock structure according to claim 1, wherein said cover has opposite front and rear ends, said rear end fitting into said limit clearance when said cover is fitted over said MPO connector.
3. The covered unlock prevention feature of claim 2 wherein the unlock prevention assembly includes an unlocking button, the unlocking button being rotatably coupled to the housing.
4. The MPO connector with a covered unlocking preventing structure according to claim 3, wherein the two sides of the housing are respectively provided with a circular hole which is symmetrically distributed, the unlocking buckle is provided with a limiting part and two connectors, the two connectors are respectively inserted into the two circular holes, and the unlocking buckle is rotatably connected with the housing through the two connectors; when the unlocking buckle rotates to the limit part and is attached to the rear end, the unlocking buckle is integrally attached to the shielding cover.
5. The covered anti-unlock structure MPO connector according to claim 2, wherein the unlocking button is of a unitary structure.
6. The covered MPO connector with an unlocking prevention structure according to claim 5, wherein the unlocking catcher is formed by bending a metal rod.
7. The covered anti-unlock structure according to claim 1, wherein said cover is removably attached to said housing from said fiber jumper end, said cover completely covering said housing and said rear boss.
8. The covered unlock prevention feature of claim 7 wherein the cover has a protrusion on an interior thereof, the protrusion engaging the retention gap when the cover is wrapped around the housing.
9. A method of assembling an MPO connector having a hood-type unlocking prevention structure, according to claim 3, comprising the steps of:
(A) assembling the housing, the front cover, and the shroud;
(B) assembling the assembled shell, the front sleeve, the shade and the optical fiber jumper together;
(C) the unlocking button is rotatably arranged on the shell.
10. A method of assembling an MPO connector having a hood-type unlocking prevention structure, according to claim 7, comprising the steps of:
(A) the optical fiber jumper is sleeved with the shade;
(B) assembling the shell, the front sleeve and the optical fiber jumper to form the MPO connector;
(C) the cover is moved to the position, where the cover is sleeved on the shell, along the optical fiber jumper, and the cover is embedded into the limiting gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010698345.4A CN111694105A (en) | 2020-07-20 | 2020-07-20 | MPO connector with shielding type unlocking prevention structure and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010698345.4A CN111694105A (en) | 2020-07-20 | 2020-07-20 | MPO connector with shielding type unlocking prevention structure and assembling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111694105A true CN111694105A (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010698345.4A Pending CN111694105A (en) | 2020-07-20 | 2020-07-20 | MPO connector with shielding type unlocking prevention structure and assembling method thereof |
Country Status (1)
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|---|---|
| CN (1) | CN111694105A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6533603B1 (en) * | 2001-10-04 | 2003-03-18 | Finisar Corporation | Electronic module having an integrated latching mechanism |
| US20140331464A1 (en) * | 2013-05-07 | 2014-11-13 | Amphenol Fiber Optics Technology (Shenzhen) | Coupling housing connector pull tab |
| WO2019008651A1 (en) * | 2017-07-03 | 2019-01-10 | 株式会社日新化成 | Optical connector and push-pull tab |
| US10215931B1 (en) * | 2017-10-26 | 2019-02-26 | Hyc Co., Ltd. | Optical fiber connector having a slidable outer enclosure and a handle |
| CN110609356A (en) * | 2018-09-30 | 2019-12-24 | 中航光电科技股份有限公司 | MPO fiber connector assembly and operating handle thereof |
| CN212965508U (en) * | 2020-07-20 | 2021-04-13 | 苏州海光芯创光电科技股份有限公司 | MPO connector with shielding type unlocking prevention structure |
-
2020
- 2020-07-20 CN CN202010698345.4A patent/CN111694105A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6533603B1 (en) * | 2001-10-04 | 2003-03-18 | Finisar Corporation | Electronic module having an integrated latching mechanism |
| US20140331464A1 (en) * | 2013-05-07 | 2014-11-13 | Amphenol Fiber Optics Technology (Shenzhen) | Coupling housing connector pull tab |
| WO2019008651A1 (en) * | 2017-07-03 | 2019-01-10 | 株式会社日新化成 | Optical connector and push-pull tab |
| US10215931B1 (en) * | 2017-10-26 | 2019-02-26 | Hyc Co., Ltd. | Optical fiber connector having a slidable outer enclosure and a handle |
| CN110609356A (en) * | 2018-09-30 | 2019-12-24 | 中航光电科技股份有限公司 | MPO fiber connector assembly and operating handle thereof |
| CN212965508U (en) * | 2020-07-20 | 2021-04-13 | 苏州海光芯创光电科技股份有限公司 | MPO connector with shielding type unlocking prevention structure |
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Address after: 215126 No.1 Pingsheng Road, Suzhou Industrial Park, Suzhou area, China (Jiangsu) pilot Free Trade Zone, Suzhou City, Jiangsu Province Applicant after: Suzhou haiguang Xinchuang Photoelectric Technology Co.,Ltd. Address before: 215021 unit 1310, international science and Technology Park, 1355 Jinjihu Avenue, Suzhou Industrial Park, Jiangsu Province Applicant before: SUZHOU CREALIGHTS TECHNOLOGY Co.,Ltd. |