CN210243897U - Novel MPO optical fiber adapter - Google Patents
Novel MPO optical fiber adapter Download PDFInfo
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- CN210243897U CN210243897U CN201921297906.9U CN201921297906U CN210243897U CN 210243897 U CN210243897 U CN 210243897U CN 201921297906 U CN201921297906 U CN 201921297906U CN 210243897 U CN210243897 U CN 210243897U
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- 239000013307 optical fiber Substances 0.000 title abstract description 20
- 239000012212 insulator Substances 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims description 25
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model relates to a novel MPO optical fiber adapter, including adapter insulator, peg graft in the rear end portion at adapter insulator rear and accept in MPO lock pin between adapter insulator and the rear end portion, adapter insulator includes the basal portion and from the basal portion frame portion that extends forward, the basal portion is equipped with from the back forward sunken accept the chamber and from the front and back to sunken grafting chamber for grafting butting connector, grafting chamber and accept intercommunication around the chamber, the rear end body is including from the forward backward sunken holding chamber, the lock pin is including acceping in the intracavity and expose in the grafting intracavity preceding tip and from the preceding tip backward extension accept in the holding intracavity back tip. Therefore, the use requirement of the higher-density distribution frame can be realized, which is larger than the existing 144 cores and can meet the distribution frame requirement of 192 cores at most.
Description
Technical Field
The utility model relates to an optical waveguide coupling device especially relates to an optical fiber adapter.
Background
The optical fiber adapter is a centering connection part for realizing an optical fiber movable connector, is a detachable and movable connection device between optical fibers, and is mainly used for precisely butting two end faces of the optical fibers together so as to ensure that optical signals output by the optical fibers are coupled into receiving optical fibers to the maximum extent. Therefore, to a certain extent, the performance of the optical fiber adapter is good or not, and the performance of the optical transmission system is greatly influenced.
There are various types of fiber optic adapters, the MPO connector is one of the fiber optic connector types, and the MPO (multipushon) is one of the multi-fiber connector types, adopted by the IEEE standard as one of the connector types for 40G/100G transmission. MPO high-density optical fiber pre-connection systems are currently mainly used in three major areas: applications in high-density environments in data centers, applications of optical fibers to buildings, and applications for connection within optical transceivers such as optical splitters, 40G, 100G, QSFP +. MPO connectors are a multi-fiber count connector standard that typically arranges 12-core fibers in a row to support one or more rows of fibers in the same MPO connector, and the standard is specified by IEC 61754-7, and is divided into one (12-core) row and multiple (24-core or more) rows depending on the number of cores disposed in the connector. MPO connector types are distinguished by several factors specified according to IEC 61754-7: core number (array number of optical fiber), Male and Female head (Male-Female), polarity (Key), polishing type (PC or APC).
When an MPO inserting core in the existing MPO optical fiber adapter is butted with a butting connector, the size is large, and the requirement of a high-density distribution frame is not favorably met.
Therefore, there is a need for improvement of the prior art to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a small and can satisfy the novel MPO fiber adapter of 192 core high density distribution demand.
The utility model aims at realizing through the following technical scheme: the utility model provides a novel MPO optical fiber adapter, include adapter insulator, peg graft in the rear end body of adapter insulator rear and accept in MPO lock pin between adapter insulator and the rear end body, adapter insulator includes the basal portion and from the forward frame portion that extends of basal portion, the basal portion is equipped with from the back forward sunken accept the chamber and from the front and back to sunken grafting chamber for grafting butting connector, grafting chamber with accept intercommunication around the chamber, the rear end body is including from the forward backward sunken holding chamber, the lock pin is including acceping the intracavity and expose in the grafting intracavity preceding tip and from the preceding tip backward extension accept in the holding intracavity back tip.
As a further improvement of the utility model, a spring is arranged in the containing cavity for elastically supporting the rear end part from back to front.
As a further improvement, the accommodating cavity is provided with a buckling arm extending from the front to the back, and the rear end body is provided with a plugging arm extending from the back to the front for plugging in the accommodating cavity and buckling the buckling arm.
As a further improvement of the utility model, the buckling arms are positioned at the left side and the right side of the containing cavity, and the inserting arms are positioned at the left side and the right side of the containing cavity.
As a further improvement of the present invention, the rear end body is provided with a cylindrical wiring portion extending rearward from the base portion.
As a further improvement, the ferrule boss is provided between the front end and the rear end to protrude the front end and the rear end, when the ferrule is supported by the butt electric connector, the ferrule boss can be supported by the top of the main part.
As a further improvement of the present invention, the frame portion protrudes from the base portion in the up-down, left-right directions.
As a further improvement of the utility model, the left and right sides of the base part are provided with chutes extending up and down.
As a further improvement of the utility model, the left and right sides of the base part are provided with convex ribs extending up and down.
As a further improvement, the front end of the left and right sides of the frame portion is provided with a notch running through the left and right sides, the buckling arm is provided with a convex portion protruding inwards, and the convex portion corresponds to the notch in the left and right directions.
Compared with the prior art, the rear end body of the MPO optical fiber adapter comprises the containing cavity which is recessed from front to back, and the inserting core comprises a front end part which is contained in the containing cavity and exposed in the inserting cavity and a rear end part which is contained in the containing cavity and extends backwards from the front end part, so that the butt joint of the MPO inserting core and an MPO connector can be realized, one MPO connector or MPO adapter is reduced, and the cost is reduced; this novel MPO adapter, occupation space is little, can realize the user demand of higher density distribution frame, is greater than current 144 cores, can satisfy 192 core's distribution frame demand the most.
Drawings
Fig. 1 is a perspective assembly view of the MPO fiber optic adapter of the present invention.
Fig. 2 is a perspective assembly view of fig. 1 from another angle.
Fig. 3 is an exploded perspective view of the MPO fiber optic adapter of the present invention.
Fig. 4 is a perspective assembly view of fig. 3 from another angle.
Fig. 5 is a partial enlarged view of the MPO fiber optic adapter of the present invention when assembled with a wiring box.
Fig. 6 is an exploded perspective view of the MPO fiber optic adapter of the present invention with a spring.
Reference numerals:
novel MPO fiber adapter 100 adapter insulation body 1
Retaining arm 111 protrusion 1111
Notch 121 ferrule 2
Rear end 23 spring 3
The receiving cavity 410 is inserted into the arm 42
Holding rib 201 holding groove 202
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 to 6 show schematic structural diagrams of a novel MPO fiber adapter 100 according to the present invention. A novel MPO optical fiber adapter 100 comprises an adapter insulator 1, a rear end body 4 inserted in the rear of the adapter insulator 1 and an MPO ferrule 2 accommodated between the adapter insulator 1 and the rear end body 4, wherein the adapter insulator 1 comprises a base part 11 and a frame part 12 extending forwards from the base part 11, the base part 11 is provided with an accommodating cavity 110 recessed forwards from the back and an inserting cavity 120 recessed backwards from the front and used for inserting a butt connector (not shown), the inserting cavity 120 is communicated with the accommodating cavity 110 in the front-back direction, the rear end body 4 comprises an accommodating cavity 410 recessed backwards from the front, the ferrule 2 comprises a front end part 22 accommodated in the accommodating cavity 110 and exposed in the inserting cavity 120 and a rear end part 23 extending backwards from the front end part 22 and accommodated in the accommodating cavity 410, thus, the butt joint of the MPO ferrule 2 and the MPO connector can be realized, one MPO connector or MPO adapter is reduced, and the cost is reduced; this novel MPO adapter, occupation space is little, can realize the user demand of higher density distribution frame, is greater than current 144 cores, can satisfy 192 core's distribution frame demand the most.
Referring to fig. 6, a spring 3 for elastically supporting the rear end portion 23 from back to front is disposed in the accommodating cavity 410. The spring 3 is compressible in the front-rear direction, with one end thereof pushing the rear wall of the housing chamber 410 rearward and one end thereof pushing the rear end portion 23 forward. So set up, increase as protection architecture's rear end portion 23, use with cooperation spring 3, can greatly promote the reliability of lock pin 2 when the contact butting connector, improve the optical signal transmission quality.
The containing cavity 110 is provided with a buckling arm 111 extending from front to back, and the rear end body 4 is provided with an inserting arm 42 extending from back to front and used for being inserted into the containing cavity 110 and buckled with the buckling arm 111. With this arrangement, the latching arm 111 and the inserting arm 42 can be latched to each other in the front-rear direction, thereby achieving the latching between the insulating body 1 of the adapter and the rear end body 4.
Preferably, in the present embodiment, the latching arms 111 are located on both left and right sides in the accommodating cavity 110, and the insertion arms 42 are located on both left and right sides of the base 41. Thus, the fastening stability between the adapter insulating body 1 and the rear end body 4 can be further improved.
The rear end body 4 is provided with a cylindrical wire connection portion 43 extending rearward from the base portion 41. In this way, a cable can be inserted into the cylindrical wire connecting portion 43 to realize signal connection with the ferrule 2.
A ferrule boss 21 laterally protruding out of the front end portion 22 and the rear end portion 23 is arranged between the front end portion 22 and the rear end portion 23, and when the ferrule 2 is supported by the butting electrical connector, the ferrule boss 21 can be limited to be supported by the base portion 41 backwards. With the arrangement, when the butting connector is excessively plugged into the butting insertion core 2, the insertion core boss 21 is forwards abutted by the body, so that the overall structural stability is improved.
The frame portion 12 protrudes from the base portion 11 in both the vertical and lateral directions. In this way, the base 11 can occupy a small space when it is mated with the wiring box 200, thereby allowing a high-density arrangement requirement on the basis of a standard-sized bezel.
The left and right sides of the base 11 are provided with sliding grooves 113 extending up and down. Thus, the sliding groove 113 can be matched with the vertically extending holding rib 201 on the wiring box 200, so that a sliding groove 113 type matching structure between the novel MPO fiber adapter 100 and the wiring box 200 is realized, and the assembly process is simplified.
The left and right sides of the base 11 are provided with ribs 112 extending up and down. Thus, the rib 112 can be matched with the holding groove 202 extending up and down on the wiring box 200, so as to realize a sliding groove 113 type matching structure between the novel MPO fiber adapter 100 and the wiring box 200, and simplify the assembly process.
The front ends of the left and right sides of the frame 12 are provided with notches 121 penetrating through the left and right sides, the latching arm 111 is provided with a protrusion 1111 protruding inwards, and the protrusion 1111 corresponds to the notches 121 in the left and right directions. Thus, when the rear end body 4 is inserted onto the adapter insulating body 1 from the rear to the front, the latching arm 111 is pushed and held outward by the insertion arm 42, and the notch 121 can provide a temporary deformation space for outward deformation of the latching arm 111 at this time, thereby realizing the miniaturization of the MPO optical fiber connector 100 as a whole and facilitating high-density arrangement.
The frame 12 has a flat structure extending in the left and right directions. With such an arrangement, the frame 12 can be plugged with MPO optical fiber connectors and meets the requirement of high-density arrangement.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A novel MPO fiber adapter is characterized in that: including adapter insulator, peg graft in the rear end body of adapter insulator rear and accept in MPO lock pin between adapter insulator and the rear end body, adapter insulator includes the basal portion and from the forward frame portion that extends of basal portion, the basal portion is equipped with from the back forward sunken accept the chamber and from the front and back to sunken be used for pegging graft butt connector's grafting chamber, grafting chamber and accept the chamber front and back intercommunication, the rear end body is including from the forward backward sunken holding chamber, the lock pin is including acceping in the intracavity and expose in the grafting intracavity front end portion and from the front end portion backward extension accept in the rear end portion of holding intracavity.
2. The novel MPO fiber optic adapter according to claim 1, wherein: the containing cavity is internally provided with a spring which is used for elastically propping against the rear end part from back to front.
3. The novel MPO fiber optic adapter according to claim 1, wherein: the containing cavity is internally provided with a buckling arm extending from front to back, and the rear end body is provided with an inserting arm extending from back to front and used for being inserted into the containing cavity and buckled with the buckling arm.
4. The novel MPO fiber optic adapter according to claim 3, wherein: the buckling arms are positioned on the left side and the right side of the containing cavity, and the inserting arms are positioned on the left side and the right side of the containing cavity.
5. The novel MPO fiber optic adapter according to claim 1, wherein: the rear end body is provided with a cylindrical wiring part extending backwards from the main part.
6. The novel MPO fiber optic adapter according to claim 1, wherein: and when the ferrule is supported by the butting electric connector, the ferrule boss can be limited by the support of the ferrule boss backwards.
7. The novel MPO fiber optic adapter according to claim 1, wherein: the frame portion protrudes out of the base portion in the up-down, left-right directions.
8. The novel MPO fiber optic adapter according to claim 1, wherein: the left side and the right side of the base part are both provided with sliding chutes extending up and down.
9. The novel MPO fiber optic adapter according to claim 1, wherein: the left side and the right side of the base part are provided with convex ribs extending up and down.
10. The novel MPO fiber optic adapter according to claim 3, wherein: the front ends of the left side and the right side of the frame part are provided with notches penetrating through the left side and the right side, the buckling arm is provided with a convex part protruding inwards, and the convex part corresponds to the notches in the left-right direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921297906.9U CN210243897U (en) | 2019-08-12 | 2019-08-12 | Novel MPO optical fiber adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921297906.9U CN210243897U (en) | 2019-08-12 | 2019-08-12 | Novel MPO optical fiber adapter |
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| Publication Number | Publication Date |
|---|---|
| CN210243897U true CN210243897U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921297906.9U Active CN210243897U (en) | 2019-08-12 | 2019-08-12 | Novel MPO optical fiber adapter |
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| CN (1) | CN210243897U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111913255A (en) * | 2020-07-10 | 2020-11-10 | 华为技术有限公司 | An optical fiber ferrule module, optical fiber plug, optical fiber adapter and optical fiber connector |
| CN112601135A (en) * | 2020-12-09 | 2021-04-02 | 西安羚控电子科技有限公司 | Floating connecting device |
| CN115373085A (en) * | 2022-09-06 | 2022-11-22 | 新确精密科技（深圳）有限公司 | Male and female switching jig of MPO connector |
| CN115755285A (en) * | 2022-11-29 | 2023-03-07 | 上海天诚通信技术股份有限公司 | A dust-proof structure with lock for MPO adapter |
| CN115857112A (en) * | 2022-11-09 | 2023-03-28 | 武汉邮埃服光电科技有限公司 | A kind of miniaturized MT optical fiber connector and adapter assembly |
| WO2024169312A1 (en) * | 2023-02-13 | 2024-08-22 | 苏州旭创科技有限公司 | Optical module |
-
2019
- 2019-08-12 CN CN201921297906.9U patent/CN210243897U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111913255A (en) * | 2020-07-10 | 2020-11-10 | 华为技术有限公司 | An optical fiber ferrule module, optical fiber plug, optical fiber adapter and optical fiber connector |
| CN112601135A (en) * | 2020-12-09 | 2021-04-02 | 西安羚控电子科技有限公司 | Floating connecting device |
| CN112601135B (en) * | 2020-12-09 | 2022-12-09 | 西安羚控电子科技有限公司 | Floating connecting device |
| CN115373085A (en) * | 2022-09-06 | 2022-11-22 | 新确精密科技（深圳）有限公司 | Male and female switching jig of MPO connector |
| CN115373085B (en) * | 2022-09-06 | 2024-02-23 | 新确精密科技（深圳）有限公司 | Male-female switching jig of MPO connector |
| CN115857112A (en) * | 2022-11-09 | 2023-03-28 | 武汉邮埃服光电科技有限公司 | A kind of miniaturized MT optical fiber connector and adapter assembly |
| CN115755285A (en) * | 2022-11-29 | 2023-03-07 | 上海天诚通信技术股份有限公司 | A dust-proof structure with lock for MPO adapter |
| WO2024169312A1 (en) * | 2023-02-13 | 2024-08-22 | 苏州旭创科技有限公司 | Optical module |
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