CN116643358A - MPO optical fiber connector - Google Patents

MPO optical fiber connector Download PDF

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Publication number
CN116643358A
CN116643358A CN202310013711.1A CN202310013711A CN116643358A CN 116643358 A CN116643358 A CN 116643358A CN 202310013711 A CN202310013711 A CN 202310013711A CN 116643358 A CN116643358 A CN 116643358A
Authority
CN
China
Prior art keywords
connector
adapter
fiber optic
mpo
mpo fiber
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.)
Pending
Application number
CN202310013711.1A
Other languages
Chinese (zh)
Inventor
王国伟
安江委
何如杰
安康民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Chaoqian Telecommunication Technologies Co ltd
Original Assignee
Zhejiang Chaoqian Telecommunication Technologies Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Chaoqian Telecommunication Technologies Co ltd filed Critical Zhejiang Chaoqian Telecommunication Technologies Co ltd
Priority to CN202310013711.1A priority Critical patent/CN116643358A/en
Publication of CN116643358A publication Critical patent/CN116643358A/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3825—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
    • G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

The invention discloses an MPO optical fiber connector, which comprises a pre-connector, a connector and an adapter, wherein the pre-connector and the connector are connected in a positive way through the adapter, the structures of the outer side walls of the pre-connector and the connector are different, a first end comprises an arc-shaped first groove position with symmetrical left and right ends, a first step and a smaller rectangular first positioning groove arranged at the lower end, and a second end comprises a second positioning groove; the invention comprises the pre-connector and the connector, and the adapter is arranged between the pre-connector and the connector, so that the strength of the device is improved, the device is not easy to break when in use, the structures of the outer side walls of the pre-connector and the connector are different, the structures of the two ends of the inner side wall of the adapter are different, the pre-connector and the connector can be plugged and pulled in a fixed direction, the connection is carried out with the connectors with different structures through the ports with different structures, the connection direction of the optical cable and the optical fiber is more definite, the subsequent wiring time is reduced, and the wiring efficiency is improved.

Description

MPO optical fiber connector
Technical Field
The invention relates to the technical field of optical fiber connectors, in particular to an MPO optical fiber connector.
Background
The MPO connector mainly comprises a male MP0 connector (PIN guide PIN) and a pre-connector (PIN guide hole), and in the use process, the connector and the female MP0 connector are in butt joint and fixed through an MPO adapter. The two guide pins of the connector are respectively abutted with the two insertion holes of the pre-connector, so that the abutting precision is ensured, and the optical fibers of the connector and the pre-connector are in one-to-one contact, so that an optical signal is transmitted from one connector to the other connector.
The existing LC-type optical fiber connector comprises two opposite housings and a tail sleeve, wherein the connector and the pre-connector are sleeved on the adapter, but no fixing device is arranged outside the opposite housings to fasten and strengthen the housings, and the corresponding protection function is weakened accordingly, so that the optical fiber is easy to break.
Disclosure of Invention
In order to solve the technical problems, the invention provides an MPO optical fiber connector.
The invention adopts the following technical scheme:
the utility model provides a MPO fiber connector, includes pre-connector, connector and adapter, pre-connector, connector are just to being connected through the adapter, the adapter is the pipe form, include with the pre-connector go on complex first end and with the connector go on complex second end, first end and second end all are equipped with the external screw thread, the pre-connector right-hand member setting have with the first rotating member of first end external screw thread adaptation, the connector left end setting have with the second rotating member of second end external screw thread adaptation.
Preferably, the pre-connector is internally provided with a pre-connector and the connector is internally provided with a connector, one end, opposite to the pre-connector and the connector, is provided with a core inserting assembly, and the other end of the pre-connector is provided with a tail sleeve and an optical cable.
Preferably, the pre-connector and the connector are internally provided with plug springs.
Preferably, the first and second ends are penetrated inside the adapter.
Preferably, the connector comprises a buckle groove, a second lug, and a first lug, wherein the buckle groove is matched with the second lug, and the second lug is matched with the second locating groove in a sliding manner.
Preferably, the opposite ends of the first core inserting component and the second core inserting component are respectively provided with a plurality of groups of cores, the two sides of the core inserting of the first core inserting component are respectively provided with a guide pin, the opposite positions of the second core inserting component and the guide pins are respectively provided with a guide pin slot, the cores are equidistantly arranged on the opposite sides of the pre-connector and the connector, and the pre-connector and the guide pins opposite to the connector are in butt joint with the guide pin slots.
Preferably, the first ferrule assembly and the second ferrule assembly may be polarity interchanged.
Preferably, the number of the ferrules is 8, 10 or 12.
Preferably, the diameter of the ferrule ranges from 0.008mm to 0.25mm.
Preferably, the material of the pre-connector and the connector is silica gel material, TPU material, PC material or metal material.
Preferably, a dust cap is arranged at one end of the pre-connector and one end of the adapter.
Compared with the prior art, the invention has the following advantages:
1. the invention comprises a pre-connector and a connector, wherein an adapter is arranged between the pre-connector and the connector, the left end and the right end of the adapter are both provided with external threads, and one ends of the pre-connector and the connector are both provided with connecting pieces matched with the external threads and provided with internal threads, so that the strength of the device is improved, and the device is not easy to break when in use.
2. According to the invention, the structures of the outer side walls of the pre-connectors and the connectors are different, and the structures of the two ends of the inner side wall of the adapter are different, so that the pre-connectors and the connectors can be plugged and pulled in the fixed direction, the ports with different structures are connected with the connecting pieces with different structures, the connection direction of the optical cable and the optical fiber is more definite, the subsequent wiring time is reduced, and the wiring efficiency is improved.
3. According to the invention, the pre-connector and the connector are both connected by the MPO interface, the pre-connector and the connector are connected by two groups of opposite guide diagnosis, a through hole of an optical fiber core wire can be formed during the connection, the optical fiber core wire is communicated in the through hole, and the situation that the optical fiber core wire is damaged due to the staggered interface is avoided when the MPO interface is connected in a stable manner.
4. According to the invention, the first clamping piece and the second clamping piece can be clamped on the groove, so that the pre-connector and the connector are kept at stable positions when being inserted into the adapter, the first clamping piece and the second clamping piece are connected with the adapter more stably, the adapter is prevented from moving on the first clamping piece and the second clamping piece, and the connection stability of the adapter is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of a first interface according to the present invention.
Fig. 3 is a block diagram of a first end of the adapter of the present invention.
Fig. 4 is a block diagram of the second end of the adapter of the present invention.
Fig. 5 is a schematic structural diagram of a second interface according to the present invention.
Fig. 6 is a cross-sectional view of an exploded structure in a top view of the present invention.
In the figure:
the connector comprises a pre-connector 1, a first plug-in part 11 and a first bump 12;
the connector 2, the buckling groove 21 and the second bump 22;
the adapter 3, the first end 31, the first slot 311, the first step 312, the second end 32, the buckle 321 and the second positioning slot 322;
the tail sleeve 6, the optical cable 7, the lock pin 8, the guide pin 9, the anti-slip convex line 11, the plug spring 13 and the guide pin slot 14.
Detailed Description
In order to facilitate understanding of the technical scheme of the present invention, the following detailed description is made with reference to the accompanying drawings and specific embodiments.
Example 1:
it will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
As shown in fig. 1-6, the invention discloses an MPO optical fiber connector, which comprises a pre-connector 1, a connector 2 and an adapter 3, wherein the pre-connector 1 and the connector 2 are connected in a right-facing way through the adapter 3, and the connector 3 is in a round tube shape, and comprises a first end 31 matched with the pre-connector and a second end 32 matched with the connector, wherein the first end 31 and the second end 32 are both provided with external threads, the right end of the pre-connector 1 is provided with a first rotating piece matched with the external threads of the first end, and the left end of the connector 2 is provided with a second rotating piece matched with the external threads of the second end.
The connector 1 is internally provided with a connector 4 and a connector 5, the opposite ends of the connector 4 and the connector 5 are respectively provided with a core insert component, namely, the connector is provided with a guide pin and a guide hole, and the other ends of the connector 4 and the connector 5 are provided with a tail sleeve 6 and an optical cable 7.
Both ends all have the external screw thread about the adapter to the one end of pre-connector, connector all sets up the connecting piece that has the internal screw thread with external screw thread complex, only need rotate the cooperation with the external screw thread of first end of adapter and second end with first connecting piece and second connecting piece when using screw up, just can make inside lock pin subassembly be close to gradually and finally realize pegging graft, and first connecting piece and second connecting piece are equivalent to the outside protective sheath of adapter, have increased the intensity of this device, make this device difficult emergence fracture condition when using.
The pre-connector 4 and the connector 5 are internally provided with the plug springs 13, the first end 31 comprises an arc-shaped first slot 311 with symmetrical left and right ends, a first step 312 with an upper end provided with a rectangle, and a first positioning slot 313 with a smaller rectangle provided with a lower end, and the second end 32 comprises a buckle 321 arranged at the left and right ends and a second positioning slot 322 with a bottom end and a first positioning slot 313 arranged in central symmetry.
The connector 1 interface department of pre-connector includes about both ends and first grafting portion 11 of first trench 311 complex and carries out sliding fit's first lug 12 with first constant head tank 313, connector 2 includes about both ends and buckle 321 grafting complex catching groove 21 and bottom and second constant head tank 322 carry out sliding fit's second lug 22, the constant head tank that adapter first end and second end were seted up can guide the outside location arch of pre-connector and connector to make pre-connector 4, connector 5 can follow fiber axis direction and remove.
The utility model discloses a novel connector, including first lock pin subassembly, second lock pin subassembly, pin slot, connector 1, connector 2 are just right one side is offered to the lock pin 8 equidistance to the first lock pin subassembly, and the second lock pin subassembly just right one end all sets up multiunit lock pin 8, and first lock pin subassembly lock pin both sides set up pin 9, and the second lock pin subassembly just right position with the pin is equipped with pin slot 14, lock pin 8 equidistance is offered and is just right one side in pre-connector 1, connector 2, and the butt joint is carried out to just right pin and pin slot on pre-connector 1, the connector 2.
It should be noted that the first ferrule assembly and the second ferrule assembly may be polarity interchanged to achieve a male-female polarity interchange of the pre-connector and the connector.
The invention comprises the pre-connector and the connector, and the adapter is arranged between the pre-connector and the connector, so that the strength of the device is improved, the device is not easy to break when in use, the structures of the outer side walls of the pre-connector and the connector are different, the structures of the two ends of the inner side wall of the adapter are different, the pre-connector and the connector can be plugged and pulled in a fixed direction, the connection is carried out with the connectors with different structures through the ports with different structures, the connection direction of the optical cable and the optical fiber is more definite, the subsequent wiring time is reduced, and the wiring efficiency is improved.
The number of the inserting cores is 8, the four inserting cores are in a group, the inserting cores are symmetrically arranged on the inner side of the guide pin, and the diameter of each inserting core is 0.125mm.
The material of the pre-connector and the connector is silica gel material or TPU material or PC material or metal material.
One end of the pre-connector 1 and one end of the adapter 3 are provided with dust caps.
The left end and the right end of the outer side wall of the connector are respectively provided with an anti-skid convex line 11.
Example 2:
the number of the insert cores is 12, the insert cores are adjacently and uniformly distributed on the inner side of the guide pin, and the rest is the same as that in the embodiment 1.
Example 3:
the number of the inserting cores is 24, the inserting cores are vertically and symmetrically distributed on the inner side of the guide pin, the upper inserting cores and the lower inserting cores are adjacently and uniformly distributed on the inner side of the guide pin, and the rest is the same as the embodiment 1.
The foregoing is merely a preferred embodiment of the present invention, and the scope of the invention is defined by the claims, and those skilled in the art should also consider the scope of the present invention without departing from the spirit and scope of the invention.

Claims (12)

1. The utility model provides a MPO fiber connector, includes pre-connector (1), connector (2) to adapter (3), pre-connector (1), connector (2) are just to being connected through adapter (3), a serial communication port, adapter (3) are the tubulose, including carry out complex first end (31) with the pre-connector and carry out complex second end (32) with the connector, first end (31) and second end (32) all are equipped with the external screw thread, and pre-connector (1) right-hand member setting has the first rotating member with first end external screw thread adaptation, and connector (2) left end setting has the second rotating member with second end external screw thread adaptation.
2. The first end (31) comprises an arc-shaped first groove position (311) with symmetrical left and right ends, a first step (312) with a rectangular shape arranged at the upper end and a first positioning groove (313) with a smaller rectangular shape arranged at the lower end, and the second end (32) comprises a buckle (321) arranged at the left and right ends and a second positioning groove (322) with the bottom end and the first positioning groove (313) being arranged in central symmetry.
3. The MPO fiber optic connector of claim 1, wherein a first connector (4) is disposed in the pre-connector (1), a second connector (5) is disposed in the connector (2), a first ferrule assembly is disposed at the head of the first connector (4), a second ferrule assembly is disposed at one end of the second connector (5) opposite to the first ferrule assembly, the tail sleeve is in a hollow cone shape, an inner thread is disposed on an inner side wall of one end with a large area of the tail sleeve, the inner thread is in threaded connection with an outer thread of the first end (31), and an optical cable (7) extending out of the tail sleeve is disposed at the other end of the tail sleeve.
4. An MPO fiber optic connector according to claim 2, wherein the first connector (4) and the second connector (5) are internally provided with plug springs (13).
5. The MPO fiber optic connector of claim 1, wherein the first and second ends are interconnected within the adapter.
6. The MPO fiber optic connector according to claim 1, wherein the connector (1) comprises a first insertion portion (11) with left and right ends engaged with the first slot (311) and a first projection (12) engaged with the first positioning slot (313), and the connector (2) comprises a locking slot (21) with left and right ends engaged with the locking buckle (321) and a second projection (22) with bottom engaged with the second positioning slot (322).
7. The MPO optical fiber connector according to claim 2, wherein the opposite ends of the first and second core inserting assemblies are provided with a plurality of groups of core inserting assemblies (8), the two sides of the first core inserting assembly are provided with guide pins (9), the opposite positions of the second core inserting assembly and the guide pins are provided with guide pin slots (14), the core inserting assemblies (8) are equidistantly arranged on the opposite sides of the pre-connector (1) and the connector (2), and the opposite guide pins and the guide pin slots on the pre-connector (1) and the connector (2) are in butt joint.
8. The MPO fiber optic connector of claim 6, wherein the first ferrule assembly and the second ferrule assembly are polarity interchangeable.
9. The MPO fiber optic connector of claim 6, wherein the number of ferrules is 8 or 10 or 12.
10. The MPO fiber optic connector of claim 6, wherein the diameter of the ferrule ranges from 0.008mm to 0.25mm.
11. The MPO fiber optic connector of claim 1, wherein the material of the pre-connector and the connector is silicone, TPU, PC, or metal.
12. The MPO fiber optic connector of claim 1, wherein the pre-connector (1) and the adapter (3) are provided with a dust cap at one end.
CN202310013711.1A 2023-01-05 2023-01-05 MPO optical fiber connector Pending CN116643358A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310013711.1A CN116643358A (en) 2023-01-05 2023-01-05 MPO optical fiber connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310013711.1A CN116643358A (en) 2023-01-05 2023-01-05 MPO optical fiber connector

Publications (1)

Publication Number Publication Date
CN116643358A true CN116643358A (en) 2023-08-25

Family

ID=87621805

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310013711.1A Pending CN116643358A (en) 2023-01-05 2023-01-05 MPO optical fiber connector

Country Status (1)

Country Link
CN (1) CN116643358A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117761840A (en) * 2023-12-29 2024-03-26 中山市纳德通信技术有限公司 MPO optical fiber connector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117761840A (en) * 2023-12-29 2024-03-26 中山市纳德通信技术有限公司 MPO optical fiber connector

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