CN117538995B - Guide pin body for adapting MPO connector - Google Patents
Guide pin body for adapting MPO connector Download PDFInfo
- Publication number
- CN117538995B CN117538995B CN202410027668.9A CN202410027668A CN117538995B CN 117538995 B CN117538995 B CN 117538995B CN 202410027668 A CN202410027668 A CN 202410027668A CN 117538995 B CN117538995 B CN 117538995B
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- CN
- China
- Prior art keywords
- pin body
- mounting
- hole
- guide pin
- positioning
- 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.)
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Links
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 15
- 239000013307 optical fiber Substances 0.000 description 9
- 230000002159 abnormal effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000004065 semiconductor 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
- G02B6/24—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
- G02B6/381—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
Abstract
The invention discloses a guide pin body for adapting to an MPO connector, which comprises a guide pin body, wherein a light passing hole is formed in the guide pin body, a first mounting part is arranged on one side of the light passing hole, and a first gap which is vertically arranged is formed in one side, far away from the light passing hole, of the first mounting part; an elastic arm is arranged on the other side of the light passing hole, a second gap which is vertically arranged is arranged on one side, far away from the light passing hole, of the elastic arm, and a second installation part is arranged on the elastic arm; the first mounting part and the second mounting part are respectively provided with a first mounting hole, the outer sides of the two first mounting holes are respectively provided with a slot communicated with the first mounting holes, the two first mounting holes are respectively internally provided with a first positioning needle, and the two first positioning needles respectively correspond to PIN holes on the MPO connector. According to the invention, the thin groove is arranged, so that the first positioning needle is tightly held by the first mounting hole, the purpose of fastening the first positioning needle can be achieved without bonding, the assembly is simple, the processing difficulty is reduced, the firmness is increased, and the service life is prolonged.
Description
Technical Field
The invention relates to the technical field of optical fiber connectors, in particular to a guide pin body for adapting to an MPO connector.
Background
MPO connector types are distinguished by several factors specified by IEC 61754-7: core Number (Number of arrays of optical fibers), male-Female (Male-Female), polarity (Key), polish type (PC or APC). The method is characterized in that two round PIN needles are used for positioning PIN holes (the size is 0.7mm, the interval is 4.6+/-0.003 mm) of an MT (metal-insulator-semiconductor) ferrule of an MPO (multi-functional) connector, the two round PIN needles are fixed on a guide needle body, two round holes (the size of the round holes is larger than that of the PIN needles) are formed in the left and right sides of the center of the guide needle body, the PIN round holes and the PIN needles are bonded and fixed through aviation rubber after assembly, and a jig is used for positioning during bonding, so that the jig is matched with the interval between the two PIN holes of the MPO connector.
However, since the fixture is bonded after positioning, the defects of inconsistent plugging life (falling) and positioning interval precision and difficult cleaning due to glue overflow exist, the compatibility is poor because the space between the two PINs is fixed after bonding, and in addition, the parallelism after assembling the two PINs and the perpendicularity precision with the plane of the guide PIN body can not be ensured due to bonding.
Disclosure of Invention
Features and advantages of the invention will be set forth in part in the description which follows, or may be obvious from the description, or may be learned by practice of the invention.
In order to solve the problem that the parallelism of two PIN needles after assembly and the perpendicularity precision of a guide PIN body plane cannot be guaranteed, the guide PIN body for the adaptive MPO connector is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: the guide pin body comprises a guide pin body, wherein a light passing hole is formed in the guide pin body, a first installation part is arranged on one side of the light passing hole, and a first gap which is vertically arranged is formed in one side, away from the light passing hole, of the first installation part;
an elastic arm is arranged on the other side of the light passing hole, a second gap which is vertically arranged is arranged on one side, far away from the light passing hole, of the elastic arm, and a second installation part is arranged on the elastic arm;
the first mounting part and the second mounting part are respectively provided with a first mounting hole, the outer sides of the two first mounting holes are respectively provided with a thin groove communicated with the first mounting holes, the two first mounting holes are respectively internally provided with a first positioning needle, and the two first positioning needles respectively correspond to PIN holes on the MPO connector;
the guide pin body is provided with a groove, and the bottom surface of the groove covers the first installation part and the second installation part.
The guide needle body is provided with a second mounting hole, a notch communicated with the second mounting hole is formed in the guide needle body, a second positioning needle is mounted in the second mounting hole, and the second positioning needle is used for being matched with the clamp.
The free end of the first positioning needle is provided with a chamfer.
The guide PIN body comprises a guide PIN body, wherein a light passing hole is formed in the guide PIN body, elastic arms are respectively arranged at two sides of the light passing hole, a first gap which is vertically arranged is formed in one side, far away from the light passing hole, of each elastic arm, mounting parts are respectively arranged on the two elastic arms, first mounting holes are respectively formed in the two mounting parts, fine grooves which are communicated with the two mounting holes are respectively formed in the outer sides of the two first mounting holes, first positioning PINs are respectively arranged in the two first mounting holes, and the two first positioning PINs correspond to PIN holes in the MPO connector respectively; the guide pin body is provided with a groove, and the bottom surface of the groove covers the two mounting parts.
The guide needle body is provided with a second mounting hole, a notch communicated with the second mounting hole is formed in the guide needle body, a second positioning needle is mounted in the second mounting hole, and the second positioning needle is used for being matched with the clamp.
The free end of the first positioning needle is provided with a chamfer.
According to the invention, the thin groove is arranged, so that the first mounting hole can tightly hold the first positioning needle, the purpose of fastening the first positioning needle can be achieved without bonding, the assembly is simple, the processing difficulty is reduced, the firmness is increased, and the service life is prolonged; after assembly, the first mounting hole is in positioning close fit with the first positioning needle, so that the original precision can be kept, the high parallelism precision and the high perpendicularity precision can be obtained, and further high test repeatability and accuracy can be obtained. Through setting up the elastic arm for the interval between two first positioning needle can realize little floating, makes two first positioning needle can adapt to the MPO connector under the different tolerance sizes, promotes the compatibility of guide pin body poor, reaches the purpose that repeated plug test used. By arranging the grooves, the problem of abnormal testing caused by impurities or dirt remained on the surface of the MPO ferrule is solved, and the problem of inconsistent testing repeatability and angle precision caused by the abnormal testing is eliminated.
Drawings
The advantages and the manner of carrying out the invention will become more apparent from the following detailed description, taken in conjunction with the accompanying drawings, in which the content shown is meant to illustrate, but not to limit, the invention in any sense, and wherein:
FIG. 1 is an exploded view of a lead body of the present invention;
FIG. 2 is a plan view of a pin body according to the present invention;
FIG. 3 is a first block diagram of the guide pin body, clamp, and fiber optic connector of the present invention shown in the disassembled state;
FIG. 4 is a second block diagram of the guide pin body, clamp, and fiber optic connector of the present invention;
fig. 5 is a block diagram of the guide pin body mounted on the jig according to the present invention.
Detailed Description
As shown in fig. 1 and 2, the guide pin body provided by the invention is arranged on the optical fiber connector clamp and is used for being matched with an optical fiber connector. In particular to an MT guide needle body suitable for an MPO clamp of an optical fiber interferometer.
The guide needle body comprises a guide needle body 100, and a square light passing hole 107 is formed in the guide needle body 100.
In an embodiment, a first mounting portion 102 is disposed on the left side of the light passing hole 107, a first gap 104 is formed between the first mounting portion 102 and the PIN body 100, a first mounting hole (also referred to as a PIN round hole) 103 is disposed on the first mounting portion 102, a slot 105 communicated with the first mounting hole 103 is disposed on the outer side of the first mounting hole 103, and a first positioning needle (also referred to as a PIN) 108 is mounted in the first mounting hole 103 and is adapted to the PIN hole of the optical fiber connector. In this embodiment, the slots 105 are disposed on the upper and lower sides of the first mounting hole 103, and are all disposed vertically, and the first gaps 104 are also disposed vertically.
Through setting up the slot, can make the left and right sides outer wall of first mounting hole 103 play the elastic arm effect, because the diameter of first mounting hole 103 is less than the diameter of first locating needle 108, first locating needle 108 is loaded into first mounting hole 103 and is held tightly to clamp first locating needle 108 through the pore wall of first mounting hole 103, the purpose of fastening first locating needle 108 can be reached without the bonding, the equipment is simple, the reduction processing degree of difficulty, increase the firmness simultaneously, increase life-span. After assembly, the first mounting hole 103 and the first positioning needle 108 are positioned and tightly matched and fixed, and high parallelism and verticality precision are obtained. Because the first positioning hole 108 is processed in a very high precision, the enclasping structure can maintain the original precision and obtain very high parallelism and verticality precision, thereby obtaining high test repeatability and accuracy.
In this embodiment, the first mounting hole is an elastic structure, and its aperture can float slightly, that is, as long as the first positioning needle and the first mounting hole are in interference fit, the first mounting hole still has a holding force on the first positioning needle. Illustrating: the first positioning needle is 0.699mm plus or minus 0.0005mm in size, and then the first mounting hole is 0.675mm or 0.69mm in size, and the structure is still applicable.
In other embodiments, slots may be provided at four corners of the mounting portion, respectively.
The right side of the light passing hole 107 is provided with an elastic arm 101, a second gap 106 is formed between the elastic arm 101 and the guide pin body 100, the elastic arm 101 is provided with a second mounting part 114, the second mounting part 114 is provided with a first mounting hole 103, the outer side of the first mounting hole 103 is provided with a slot 105 communicated with the first mounting hole, and a first positioning needle 108 is mounted in the first mounting hole 103. In this embodiment, the slots 105 are disposed on the upper and lower sides of the first mounting hole 103, and are all disposed vertically, and the second gaps 106 are also disposed vertically.
Since the interval between the two PIN holes of the MPO connector has a tolerance of ±0.003um, if the interval between the two PIN needles of the PIN body is fixed, the two PIN needles of the PIN body cannot be adapted to the MPO connector under different tolerance sizes. Therefore, through setting up the elastic arm for the interval between two first positioning needles can realize little floating, and two first positioning needles like this can adapt to the MPO connector under the different tolerance sizes, promote the compatibility of guide pin body poor, reach the purpose that repeated plug test used.
As shown in fig. 1 and 2, the pin body 100 is provided with a groove 112, and the bottom surface of the groove 112 covers the two mounting portions 102. The groove 112 can accommodate residual glue and dirt, solves the problem of abnormal testing caused by impurities or dirt remained on the surface of the MPO ferrule, and eliminates the problem of inconsistent testing repeatability and angle precision caused by the abnormal testing.
As shown in fig. 1, a second mounting hole 110 is formed in the pin body 100, a notch 111 that communicates with the second mounting hole 110 is formed in the pin body 100, a second positioning needle 109 is mounted in the second mounting hole 110, and the second positioning needle 109 is adapted to a fixture. By providing the notch 111 in the guide pin body 100, which is in communication with the second mounting hole 110, the second positioning pin 109 is detachably mounted on the guide pin body 100, so as to realize the replaceability of the second positioning pin or the guide pin body.
As shown in fig. 1, the free end of the first positioning PIN 108 is provided with a chamfer 1081, the chamfer is polished smooth, and the chamfer has the function of reducing scraping between the first positioning PIN 108 and the PIN hole of the MPO connector when the first positioning PIN 108 is led into the MPO connector, so as to realize rapid adaptation of the first positioning PIN and the PIN hole of the MPO connector.
In another embodiment, the two sides of the light passing hole are respectively provided with an elastic arm, a first gap is reserved between the elastic arm and the guide needle body, the elastic arms are respectively provided with a mounting part, the mounting parts are respectively provided with a first mounting hole, the outer sides of the first mounting holes are respectively provided with a slot communicated with the first mounting holes, and the first mounting holes are internally provided with first positioning needles.
As shown in fig. 3 to 5, the guide pin body 100 is provided with a screw hole 113, the guide pin body 100 is fixed on the fixture 200 by a screw 400, and the second positioning pin 109 is matched with the second positioning hole 203 on the fixture 200. The jig 200 is provided with an adaptation hole 201 for the optical fiber connector 300 to pass through. The optical fiber connector 300 is provided with a PIN hole 301, and the PIN hole 301 is matched with the first positioning needle 108.
According to the guide pin body for the optical fiber connector clamp, the thin groove is formed, so that the first mounting hole is used for tightly holding the first positioning pin, the purpose of fastening the first positioning pin can be achieved without bonding, the assembly is simple, the processing difficulty is reduced, the firmness is increased, and the service life is prolonged; after assembly, the first mounting hole is in positioning close fit with the first positioning needle, so that the original precision can be kept, the high parallelism precision and the high perpendicularity precision can be obtained, and further high test repeatability and accuracy can be obtained. Through setting up the elastic arm for the interval between two first positioning needle can realize little floating, makes two first positioning needle can adapt to the MPO connector under the different tolerance sizes, promotes the compatibility of guide pin body poor, reaches the purpose that repeated plug test used. By arranging the grooves, the problem of abnormal testing caused by impurities or dirt remained on the surface of the MPO ferrule is solved, and the problem of inconsistent testing repeatability and angle precision caused by the abnormal testing is eliminated.
While the preferred embodiments of the present invention have been illustrated by reference to the accompanying drawings, those skilled in the art will appreciate that many modifications are possible in carrying out the invention without departing from the scope and spirit thereof. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield still a further embodiment. The foregoing description and drawings are merely illustrative of preferred embodiments of the present invention and are not intended to limit the scope of the claims, but rather to cover all modifications within the scope of the present invention.
Claims (6)
1. The utility model provides a guide pin body for adapting MPO connector, includes guide pin body (100), be equipped with light passing hole (107), its characterized in that on guide pin body (100):
a first mounting part (102) is arranged on one side of the light passing hole (107), and a first gap (104) which is vertically arranged is arranged on one side, far away from the light passing hole (107), of the first mounting part (102);
an elastic arm (101) is arranged on the other side of the light passing hole (107), a second gap (106) which is vertically arranged is arranged on one side, far away from the light passing hole (107), of the elastic arm (101), and a second installation part (114) is arranged on the elastic arm (101);
the first mounting part (102) and the second mounting part (114) are respectively provided with a first mounting hole (103), the outer sides of the two first mounting holes (103) are respectively provided with a thin groove (105) communicated with the first mounting holes, the two first mounting holes (103) are respectively internally provided with a first positioning needle (108), and the two first positioning needles (108) respectively correspond to PIN holes on the MPO connector;
the guide pin body (100) is provided with a groove (112), and the bottom surface of the groove (112) is covered on the first installation part (102) and the second installation part (114).
2. The guide pin body for adapting to the MPO connector according to claim 1, wherein a second mounting hole (110) is provided on the guide pin body (100), a notch (111) communicating with the second mounting hole (110) is provided, the second positioning pin (109) is installed in the second mounting hole (110), and the second positioning pin (109) is used for adapting to the fixture (200).
3. The pin body for adapting to an MPO connector according to claim 1, wherein the free end of the first positioning pin (108) is provided with a chamfer.
4. The utility model provides a guide PIN body for adapting MPO connector, includes guide PIN body, be equipped with on guide PIN body (100) and cross light hole (107), its characterized in that, cross the both sides of light hole (107) and be equipped with elastic arm (101) respectively, two on elastic arm (101) keep away from cross light hole (107) one side all be equipped with first clearance (104) of vertical setting, two on elastic arm (101) all be equipped with the installation department, two on the installation department all be equipped with first mounting hole (103), two the outside of first mounting hole (103) all be equipped with slot (105) rather than the intercommunication, two all install first pilot PIN (108) in first mounting hole (103), two first pilot PIN (108) correspond the PIN hole on the MPO connector respectively; the guide pin body (100) is provided with a groove (112), and the bottom surface of the groove (112) covers the two mounting parts.
5. The pin body for adapting to the MPO connector according to claim 4, wherein a second mounting hole (110) is provided on the pin body (100), a notch (111) communicating with the second mounting hole (110) is provided, the second positioning pin (109) is installed in the second mounting hole (110), and the second positioning pin (109) is used for adapting to the fixture (200).
6. The pin body for adapting to an MPO connector according to claim 4, wherein the free end of the first positioning pin (108) is provided with a chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410027668.9A CN117538995B (en) | 2024-01-09 | 2024-01-09 | Guide pin body for adapting MPO connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410027668.9A CN117538995B (en) | 2024-01-09 | 2024-01-09 | Guide pin body for adapting MPO connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117538995A CN117538995A (en) | 2024-02-09 |
| CN117538995B true CN117538995B (en) | 2024-03-15 |
Family
ID=89792270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410027668.9A Active CN117538995B (en) | 2024-01-09 | 2024-01-09 | Guide pin body for adapting MPO connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117538995B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09304655A (en) * | 1996-05-09 | 1997-11-28 | Sumitomo Electric Ind Ltd | Optical connector and optical connector adapter |
| JPH09318844A (en) * | 1996-05-30 | 1997-12-12 | Sumitomo Electric Ind Ltd | Production of multi-fiber optical connector ferrule |
| JP2003232963A (en) * | 2002-02-07 | 2003-08-22 | Furukawa Electric Co Ltd:The | Functional optical coupling module equipped with lens interchangeable collimator |
| WO2006054653A1 (en) * | 2004-11-18 | 2006-05-26 | Hakusan Mfg. Co., Ltd. | Optical connector and method for manufacturing the same |
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| CN207557528U (en) * | 2017-09-30 | 2018-06-29 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | A kind of crossing cabin optical fiber connector and optical fiber connector crossing cabin component |
| CN113039687A (en) * | 2018-11-14 | 2021-06-25 | 美国康涅克有限公司 | Guide pin holder for guide pins in an adapter |
| EP3916447A1 (en) * | 2020-05-31 | 2021-12-01 | Acsuper Technologies Inc. | Optical connector and optical connector module thereof |
| CN114787678A (en) * | 2020-03-24 | 2022-07-22 | 株式会社藤仓 | Pin clamp for ferrule, pin clamp with guide pin, and optical connector |
| CN217133430U (en) * | 2022-05-13 | 2022-08-05 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5692005B2 (en) * | 2011-11-02 | 2015-04-01 | 日立金属株式会社 | Optical module and signal transmission medium |
| US9964709B2 (en) * | 2015-03-02 | 2018-05-08 | Sumix Corporation | Methodology and design of fixtures for precision alignment of MTP/MPO connectors and MT ferrules in interferometric end-face measurements |
-
2024
- 2024-01-09 CN CN202410027668.9A patent/CN117538995B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09304655A (en) * | 1996-05-09 | 1997-11-28 | Sumitomo Electric Ind Ltd | Optical connector and optical connector adapter |
| JPH09318844A (en) * | 1996-05-30 | 1997-12-12 | Sumitomo Electric Ind Ltd | Production of multi-fiber optical connector ferrule |
| JP2003232963A (en) * | 2002-02-07 | 2003-08-22 | Furukawa Electric Co Ltd:The | Functional optical coupling module equipped with lens interchangeable collimator |
| WO2006054653A1 (en) * | 2004-11-18 | 2006-05-26 | Hakusan Mfg. Co., Ltd. | Optical connector and method for manufacturing the same |
| CN102346279A (en) * | 2010-07-30 | 2012-02-08 | 株式会社藤仓 | Optical connector and connector connection system |
| JP2012109379A (en) * | 2010-11-17 | 2012-06-07 | Sumitomo Electric Ind Ltd | Optical element array component, manufacturing method of the same and manufacturing method of optical module |
| CN104898208A (en) * | 2015-06-29 | 2015-09-09 | 周其 | Fiber connector clamping device |
| CN205148122U (en) * | 2015-10-16 | 2016-04-13 | 中山市信立富机械科技有限公司 | It covers mechanism to dress to play needle guide |
| CN207557528U (en) * | 2017-09-30 | 2018-06-29 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | A kind of crossing cabin optical fiber connector and optical fiber connector crossing cabin component |
| CN113039687A (en) * | 2018-11-14 | 2021-06-25 | 美国康涅克有限公司 | Guide pin holder for guide pins in an adapter |
| CN114787678A (en) * | 2020-03-24 | 2022-07-22 | 株式会社藤仓 | Pin clamp for ferrule, pin clamp with guide pin, and optical connector |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN117538995A (en) | 2024-02-09 |
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