CN108241192B - Optical fiber connector and optical fiber connection assembly - Google Patents

Optical fiber connector and optical fiber connection assembly Download PDF

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Publication number
CN108241192B
CN108241192B CN201810277185.9A CN201810277185A CN108241192B CN 108241192 B CN108241192 B CN 108241192B CN 201810277185 A CN201810277185 A CN 201810277185A CN 108241192 B CN108241192 B CN 108241192B
Authority
CN
China
Prior art keywords
optical fiber
connector
butt joint
seat
ferrule
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.)
Active
Application number
CN201810277185.9A
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Chinese (zh)
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CN108241192A (en
Inventor
黄美金
杨涛
朱杰
朱丽丽
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.)
Fiberhome Telecommunication Technologies Co Ltd
Original Assignee
Fiberhome 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 Fiberhome Telecommunication Technologies Co Ltd filed Critical Fiberhome Telecommunication Technologies Co Ltd
Publication of CN108241192A publication Critical patent/CN108241192A/en
Priority to MX2020005467A priority Critical patent/MX2020005467A/en
Priority to BR112020008569-3A priority patent/BR112020008569A2/en
Priority to PE2020000595A priority patent/PE20210991A1/en
Priority to PCT/CN2018/102625 priority patent/WO2019184226A1/en
Priority to PH12020550493A priority patent/PH12020550493A1/en
Priority to CL2020001366A priority patent/CL2020001366A1/en
Application granted granted Critical
Publication of CN108241192B publication Critical patent/CN108241192B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
    • G02B6/3891—Bayonet type
    • 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
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
    • G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
    • 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
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
    • 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
    • G02B6/3818—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
    • 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
    • G02B6/3826—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape
    • G02B6/3831—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape comprising a keying element on the plug or adapter, e.g. to forbid wrong connection
    • 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
    • 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
    • G02B6/3881—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using grooves to align ferrule ends
    • 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
    • G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
    • 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
    • G02B6/3816—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres for use under water, high pressure connectors

Landscapes

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

Abstract

The invention discloses an optical fiber connector and an optical fiber connection assembly, which relate to the field of computer communication and comprise: a main body portion; an insertion part positioned at one end of the main body part, and an optical fiber insert core is arranged at one end of the insertion part far away from the main body part; the tail end of the insertion part is also provided with a cylindrical structure surrounding the optical fiber core insert, and the cylindrical structure and the optical fiber core insert are arranged at intervals; and the connector sleeve is sleeved on the cylindrical structure and can slide along the cylindrical structure, and the connector sleeve is at least partially positioned outside the optical fiber core insert. The invention can prevent the optical fiber core from being damaged before the optical fiber connector is butted with the optical fiber connecting seat.

Description

Optical fiber connector and optical fiber connection assembly
Technical Field
The invention relates to the field of computer communication, in particular to an optical fiber connector and an optical fiber connection assembly.
Background
In the laying process of the home-entry section cable of the fiber-to-the-home (Fiber To The Home, FTTH) network, a welding technology is generally adopted, namely, the fiber ends corresponding to each home are distributed in the fiber splitting box, the fiber ends of each home and the home-entry optical cable are welded in the fiber splitting box by using a fiber welding machine, the home-entry optical cable is laid to each home, and one-time field welding is also required at the other end of the home-entry optical cable so as to be connected with the user terminal box of each home.
The optical fiber core is usually arranged on the optical fiber connector, and the optical fiber core on the optical fiber connector is usually exposed at present, and before the optical fiber connector is butted with the optical fiber connector seat, the optical fiber core can be damaged due to contact with the outside, so that the performance of the optical fiber is affected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an optical fiber connector, an optical fiber connecting seat and an optical fiber connecting assembly, which can prevent an optical fiber ferrule from being damaged before the optical fiber connector is in butt joint with the optical fiber connecting seat.
In order to achieve the above object, the present invention provides an optical fiber connector, comprising:
a main body portion;
an insertion part positioned at one end of the main body part, wherein an optical fiber ferrule is arranged at one end of the insertion part far away from the main body part;
the tail end of the insertion part is also provided with a cylindrical structure surrounding the optical fiber ferrule, and the cylindrical structure and the optical fiber ferrule are arranged at intervals; and
the connector sleeve is sleeved on the cylindrical structure, can slide along the cylindrical structure, and is at least partially positioned outside the optical fiber ferrule when the connector sleeve slides to be far away from the tail end of the main body part.
Because still overlap on tubular structure and be equipped with connector sleeve, and its at least part is located the optic fibre lock pin outside, the connector sleeve can play the effect of protection optic fibre lock pin like this, can prevent that the optic fibre lock pin from damaging before the optic fibre connector is docked with the optical fiber connection seat to can guarantee the performance of optic fibre connection.
Meanwhile, as the connector sleeve can retract, the optical fiber connecting seat matched with the optical fiber connector does not need to be additionally provided with a space for supporting the connector sleeve, and the space for supporting the connector sleeve is required to be increased so as to provide a position for arranging the space, so that the diameter of the optical fiber connecting seat can be effectively reduced, and the density of the optical fiber connecting seat on a panel is improved. And, because the connector sleeve can retract for the holistic length shortens after the fiber connector is connected to the fiber connection seat.
On the basis of the technical scheme, an insertion space is formed between the cylindrical structure and the optical fiber ferrule.
On the basis of the technical scheme, the insertion space is annular.
The annular insertion space is more convenient to match during insertion.
On the basis of the technical scheme, the optical fiber connector further comprises a connector butt joint part, the connector butt joint part is arranged on the outer side of the insertion part in a surrounding mode and extends from the initial end of the insertion part to the cylindrical structure, the connector butt joint part is arranged at intervals with the insertion part, and the connector butt joint part is provided with internal threads close to one end of the cylindrical structure.
On the basis of the technical scheme, one end, close to the main body part, of the insertion part is provided with a step extending towards the connector butt joint part, and the step is provided with a sealing element.
The seal prevents water from entering the region of the fiber stub when docked with the fiber optic connector block.
The insertion part is also sleeved with a spring, the spring is positioned between the insertion part and the connector sleeve, one end of the spring is propped against the connector sleeve, and the other end of the spring is fixed or propped against the insertion part.
On the basis of the technical scheme, the optical fiber connector further comprises an elastic piece, and the elastic piece is used for applying driving force to the connector sleeve in the direction away from the main body.
On the basis of the technical scheme, the cylindrical structure is provided with an alignment structure, and the connector sleeve is provided with a slot corresponding to the alignment structure in position.
On the basis of the technical scheme, the inserting portion is further sleeved with a spring, the spring is located between the inserting portion and the connector butt joint portion, one end of the spring abuts against the connector butt joint portion, and the other end of the spring abuts against the starting end of the inserting portion.
After the spring is arranged, after the optical fiber connector is in butt joint with the optical fiber connecting seat, the spring is compressed, and when the optical fiber connector is required to be separated from the optical fiber connecting seat, the spring can provide driving force, so that the separation of the optical fiber connector and the optical fiber connecting seat is more facilitated.
On the basis of the technical proposal, the method comprises the following steps,
the insertion part and the main body part are integrally formed; or alternatively, the process may be performed,
the insertion portion is assembled to the main body portion.
In order to make the optical fiber connector have stronger integrity, the insertion part and the main body part can be integrally formed, and of course, the insertion part can be assembled on the main body part for the convenience of production.
On the basis of the technical scheme, the insertion part and the main body part are cylindrical, and the diameter of the insertion part is smaller than that of the main body part.
Because the insertion part and the main body part are cylindrical, the optical fiber connector can be matched with the optical fiber connector better, and the optical fiber connector is convenient to butt. Because the diameter of the insertion part is small, the overall diameter can be effectively reduced, and the arrangement density of the optical fiber connection assembly can be effectively improved.
On the basis of the technical scheme, the cylindrical structure is used for being inserted into the slot of the optical fiber connecting seat matched with the optical fiber connector.
On the basis of the technical scheme, the starting end of the insertion part is also provided with a sealing element.
After the sealing piece is arranged, water leakage can be prevented when the optical fiber connector is in butt joint with the optical fiber connector seat, so that the performance of the optical fiber is protected.
The invention also provides an optical fiber connecting seat, which comprises a seat body, wherein at least one end of the seat body is provided with a connecting seat butt joint part, a butt joint channel is arranged in the connecting seat butt joint part, an external thread is arranged on the outer side of the connecting seat butt joint part, the seat body is also provided with a ferrule accommodating seat for accommodating an optical fiber ferrule, the ferrule accommodating seat is positioned in the middle of the seat body, the ferrule accommodating seat extends into the butt joint channel, and a slot is formed between the ferrule accommodating seat and the inner wall of the connecting seat butt joint part.
On the basis of the technical scheme, the butt joint channel is divided into a first section close to the base body and a second section far away from the base body by the tail end of the ferrule accommodating seat, and the length of the second section is larger than that of the first section.
The second section is sufficiently long to provide effective insertion space to enhance the stability of the connection and to provide location of other components at the peripheral region of the second section.
On the basis of the technical scheme, the cross section of the slot is annular.
On the basis of the technical scheme, the slot is used for accommodating the cylindrical structure and the connector sleeve of the insertion part of the optical fiber connector matched with the optical fiber connecting seat.
On the basis of the technical scheme, the width of the slot is matched with the thickness of the connector sleeve and the cylindrical structure of the insertion part of the optical fiber connector matched with the optical fiber connecting seat.
The matching thickness provides good sealing performance after insertion.
The invention also provides an optical fiber connecting assembly, which comprises an optical fiber connector and an optical fiber connecting seat:
the optical fiber connector comprises a main body part; an insertion part positioned at one end of the main body part, wherein an optical fiber ferrule is arranged at one end of the insertion part far away from the main body part; the tail end of the insertion part is also provided with a cylindrical structure surrounding the optical fiber ferrule, and the cylindrical structure and the optical fiber ferrule are arranged at intervals; the connector sleeve is sleeved on the cylindrical structure and can slide along the cylindrical structure, and the connector sleeve is at least partially positioned outside the optical fiber ferrule;
the optical fiber connecting seat comprises a seat body, at least one end of the seat body is provided with a connecting seat butt joint part, a butt joint channel is arranged in the connecting seat butt joint part, external threads are arranged on the outer side of the connecting seat butt joint part, the seat body is also provided with a ferrule accommodating seat for accommodating an optical fiber ferrule, the ferrule accommodating seat extends into the butt joint channel, and a slot is formed between the ferrule accommodating seat and the inner wall of the connecting seat butt joint part.
On the basis of the technical scheme, an alignment structure is arranged on the cylindrical structure, a slot corresponding to the alignment structure is arranged on the connector sleeve, the connector butt joint part is provided with an alignment matching structure, and when the optical fiber connector is in butt joint with the optical fiber connector, the alignment matching structure penetrates through the slot and is in matched joint with the alignment structure.
When the optical fiber connector is inserted into the optical fiber connecting seat, the insertion part is inserted into the butt joint channel, the cylindrical structure and the connector sleeve are inserted into the slot, and the ferrule accommodating seat is inserted between the optical fiber ferrule and the cylindrical structure.
Drawings
FIG. 1 is a schematic diagram of an optical fiber connector according to an embodiment of the present invention;
FIG. 2 is an exploded view of an optical fiber connector according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an optical fiber connector according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an optical fiber connection assembly according to an embodiment of the present invention.
In the figure: 1-main body part, 10-cavity, 2-optical cable, 3-insert part, 30-optical fiber lock pin, 31-tubular structure, 32-connector sleeve, 320-slot, 33-insert space, 34-connector butt joint part, 35-internal thread, 36-spring, 37-sealing element, 38-step, 39-aligning structure, 4-seat body, 40-connector butt joint part, 400-aligning matching structure, 41-butt joint channel, 42-lock pin accommodating seat, 43-slot, 44-first section, 45-second section and 46-external thread.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1:
referring to fig. 1 and 2, the present embodiment provides an optical fiber connector including a main body portion 1, an optical cable 2, and an insertion portion 3.
In which a cavity 10 is provided in the body 1, the cavity 10 being mainly intended to receive the optical cable 2. The optical cable 2 is assembled to the main body 1 and extends into the cavity 10.
The main body 1 is further provided with an insertion portion 3 at one end thereof, and an optical fiber ferrule 30 is provided at one end of the insertion portion 3 remote from the main body 1. The end of the insertion portion 3 is further provided with a cylindrical structure 31 surrounding the optical fiber ferrule 30, the cylindrical structure 31 is mainly used for being inserted into a slot 43 of an optical fiber connection seat adapted to the optical fiber connector, and the cylindrical structure 31 is arranged at a distance from the optical fiber ferrule 30.
The connector sleeve 32 is sleeved on the tubular structure 31 and can slide along the tubular structure 31, and the connector sleeve 32 is at least partially positioned outside the optical fiber ferrule 30.
Because still overlap on tubular structure 31 and be equipped with connector sleeve 32, when connector sleeve 32 slides to keeping away from the terminal of main part 1, its at least partial connector sleeve 32 is located the optical fiber lock pin 30 outside, and connector sleeve 32 can play the effect of protection optical fiber lock pin 30 like this, can prevent that optical fiber lock pin 30 is impaired before the optical fiber connector is docked with the optical fiber connection seat to can guarantee the performance of optic fibre.
In addition, in order to make the optical fiber connector more integral, the insertion portion 3 and the main body portion 1 may be integrally formed, and of course, the insertion portion 3 may be assembled to the main body portion 1 for convenience of production.
Meanwhile, since the connector sleeve 32 can retract, the optical fiber connecting seat adapted to the optical fiber connector does not need to be additionally provided with a space for receiving the connector sleeve 32, and the space for receiving the connector sleeve 32 is required to be increased to provide a position for setting the space, so that the diameter of the optical fiber connecting seat can be effectively reduced, and the density of the optical fiber connecting seat on the panel is improved. And, because the connector sleeve 32 can retract, the overall length of the optical fiber connector is shortened after the optical fiber connector is connected to the optical fiber connecting seat.
Example 2:
as a preferred alternative, this embodiment differs from embodiment 1 in that:
an insertion space 33 is formed between the cylindrical structure 31 and the optical fiber ferrule 30. The shape of the insertion space 33 may be set as required, and in order to perform a better sealing function, the insertion space 33 in this embodiment is annular.
Example 3:
as a preferred alternative, this embodiment differs from embodiment 1 in that:
the optical fiber connector further comprises a connector butt joint part 34, the connector butt joint part 34 is arranged on the outer side of the insertion part 3 in a surrounding mode and extends to the cylindrical structure 31 from the initial end of the insertion part 3, the connector butt joint part 34 and the insertion part 3 are arranged at intervals, and the connector butt joint part 34 is provided with an internal thread 35 close to the cylindrical structure 31.
After the connector butt joint part 34 is arranged, the connector butt joint part 34 is provided with the internal thread 35, and meanwhile, the matched external thread 46 is arranged on the optical fiber connecting seat which is in butt joint with the optical fiber connector, so that the butt joint of the optical fiber connector and the optical fiber connecting seat can be simply and rapidly completed.
Further, the optical fiber connector further includes an elastic member for applying a driving force to the connector sleeve 32 in a direction away from the main body 1.
Specifically, the insertion portion 3 is sleeved with a spring 36, the spring 36 is the elastic member, the spring 36 is located between the insertion portion 3 and the connector butt joint portion 34, one end of the spring 36 abuts against or is connected to the connector butt joint portion 34, and the other end abuts against or is fixedly connected to the insertion portion 3.
After the spring 36 is disposed, after the optical fiber connector is docked with the optical fiber connector holder, the spring 36 will be compressed, and when the optical fiber connector needs to be separated from the optical fiber connector holder, the spring 36 can provide a driving force, so that the connector sleeve 32 can rebound to protect the position of the optical fiber ferrule 30. Meanwhile, an alignment structure 39 is disposed on the tubular structure 31, and a slot 320 corresponding to the alignment structure 39 is disposed on the connector sleeve 32.
Example 4:
as a preferred alternative, this embodiment differs from embodiment 1 in that: the insertion portion 3 and the main body portion 1 are both cylindrical, and the diameter of the insertion portion 3 is smaller than the diameter of the main body portion 1.
The insertion part 3 and the main body part 1 are both cylindrical, so that the optical fiber connector can be matched with an optical fiber connector better and can be conveniently abutted. The diameter of the insertion part 3 is small, so that the overall diameter can be effectively reduced, and the arrangement density of the optical fiber connection assembly can be effectively improved.
Example 5:
as a preferred alternative, this embodiment differs from embodiment 1 in that: the beginning of the insertion part 3 is also provided with a seal 37. Specific: the end of the insertion part 3 near the main body part 1 is provided with a step 38 extending toward the connector abutting part 34, and the step 38 is provided with a sealing member 37. When mated with the fiber optic connector, the connector mating portion 40 of the fiber optic connector is held against the seal 37, thereby preventing water from entering the region of the fiber optic ferrule 30.
After the sealing piece 37 is arranged, water leakage can be prevented when the optical fiber connector is in butt joint with the optical fiber connector seat, so that the performance of the optical fiber is protected.
Example 6:
referring to fig. 3, the present embodiment further provides an optical fiber connection seat, which includes a seat body 4, at least one end of the seat body 4 is provided with a connection seat docking portion 40, a docking channel 41 is provided in the connection seat docking portion 40, an external thread 46 is provided at the outer side of the connection seat docking portion 40, the seat body 4 is further provided with a ferrule housing seat 42 for housing the optical fiber ferrule 30, the ferrule housing seat 42 is located in the middle of the seat body 4, the ferrule housing seat 42 extends into the docking channel 41, and a slot 43 is formed between the ferrule housing seat 42 and the inner wall of the connection seat docking portion 40.
The external thread 46 is used to cooperate with the internal thread 35 of the connector abutting portion 34, so as to simply and conveniently complete the abutting of the optical fiber connector and the optical fiber connecting seat.
Preferably, the end of the ferrule receiving seat 42 in this embodiment divides the docking channel 41 into a first section 44 close to the seat body 4 and a second section 45 far from the seat body 4, and the length of the second section 45 is greater than that of the first section 44. The second section 45 is sufficiently long to provide effective insertion space to enhance the stability of the connection and to provide location of other components in the peripheral region of the second section 45.
Preferably, the slot 43 is annular in cross-section. The slot 43 is used for receiving the cylindrical structure 31 and the connector sleeve 32 of the insertion portion 3 of the optical fiber connector matched with the optical fiber connector.
Preferably, the width of the slot 43 matches the thickness of the cylindrical structure 31 and the connector sleeve 32 of the insertion portion 3 of the optical fiber connector that matches the optical fiber connector holder. I.e. the slot 43 can well accommodate both the tubular structure 31 and the connector sleeve 32, and the matching thickness is such that a good sealing performance is provided after insertion.
Example 7:
referring to fig. 4, the present embodiment further provides an optical fiber connection assembly, which includes an optical fiber connector and an optical fiber connection base.
The optical fiber connector comprises a main body part 1; an insertion part 3 positioned at one end of the main body part 1, wherein an optical fiber ferrule 30 is arranged at one end of the insertion part 3 away from the main body part 1; the tail end of the insertion part 3 is also provided with a cylindrical structure 31 surrounding the optical fiber ferrule 30, and the cylindrical structure 31 and the optical fiber ferrule 30 are arranged at intervals; the connector sleeve 32 is sleeved on the cylindrical structure 31 and can slide along the cylindrical structure 31, and the connector sleeve 32 is at least partially positioned outside the optical fiber ferrule 30;
the optical fiber connecting seat comprises a seat body 4, at least one end of the seat body 4 is provided with a connecting seat butting part 40, a butting channel 41 is arranged in the connecting seat butting part 40, external threads 46 are arranged on the outer side of the connecting seat butting part 40, the seat body 4 is also provided with a ferrule accommodating seat 42 for accommodating the optical fiber ferrule 30, the ferrule accommodating seat 42 is positioned in the middle of the seat body 4, the ferrule accommodating seat 42 stretches into the butting channel 41, and a slot 43 is formed between the ferrule accommodating seat 42 and the inner wall of the connecting seat butting part 40.
Specifically, when the optical fiber connector is inserted into the optical fiber connector holder, the insertion portion 3 is inserted into the docking channel 41, the cylindrical structure 31 and the connector sleeve 32 are inserted into the insertion slot 43, and the ferrule receiving holder 42 is inserted between the optical fiber ferrule 30 and the cylindrical structure 31.
Preferably, the end of the ferrule receiving seat 42 in this embodiment divides the docking channel 41 into a first section 44 close to the seat body 4 and a second section 45 far from the seat body 4, and the length of the second section 45 is greater than that of the first section 44. The second section 45 is sufficiently long to provide effective insertion space to enhance the stability of the connection and to provide location of other components in the peripheral region of the second section 45.
Preferably, the slot 43 is annular in cross-section. The slot 43 is used for receiving the cylindrical structure 31 and the connector sleeve 32 of the insertion portion 3 of the optical fiber connector matched with the optical fiber connector.
Preferably, the width of the slot 43 matches the thickness of the cylindrical structure 31 and the connector sleeve 32 of the insertion portion 3 of the optical fiber connector that matches the optical fiber connector holder. I.e. the slot 43 can well accommodate both the tubular structure 31 and the connector sleeve 32, and the matching thickness is such that a good sealing performance is provided after insertion.
Preferably, an alignment structure 39 is disposed on the tubular structure 31, a slot 320 corresponding to the alignment structure 39 is disposed on the connector sleeve 32, and the connector holder docking portion 40 has an alignment matching structure 400, and when the optical fiber connector holder is docked with the optical fiber connector, the alignment matching structure 400 passes through the slot 320 and is in matching engagement with the alignment structure 39. So that the optical fiber connector can be inserted into the optical fiber connector seat at a set angle. And the transmission after the optical fibers are butted is ensured. At the same time, the slots 320 function to yield the alignment matching structure 400 when inserted, enabling mating engagement of the alignment matching structure 400 and the alignment structure 39.
The invention is not limited to the embodiments described above, but a number of modifications and adaptations can be made by a person skilled in the art without departing from the principle of the invention, which modifications and adaptations are also considered to be within the scope of the invention. What is not described in detail in this specification is prior art known to those skilled in the art.

Claims (11)

1. An optical fiber connector, characterized in that: it comprises the following steps:
a main body (1);
an insertion part (3) positioned at one end of the main body part (1), wherein an optical fiber insert core (30) is arranged at one end of the insertion part (3) away from the main body part (1);
the tail end of the insertion part (3) is also provided with a cylindrical structure (31) surrounding the optical fiber ferrule (30), and the cylindrical structure (31) and the optical fiber ferrule (30) are arranged at intervals; and
a connector sleeve (32) sleeved on the tubular structure (31) and capable of sliding along the tubular structure (31), wherein when the connector sleeve (32) slides to be far away from the tail end of the main body part (1), the connector sleeve (32) is at least partially positioned outside the optical fiber ferrule (30);
the optical fiber connector further comprises an elastic piece, the elastic piece is used for applying a driving force to the connector sleeve (32) in a direction away from the main body part (1), and when the optical fiber connector is in butt joint, the connector sleeve (32) is retracted.
2. The fiber optic connector of claim 1, wherein: an insertion space (33) is formed between the cylindrical structure (31) and the optical fiber ferrule (30).
3. The fiber optic connector of claim 1, wherein: the optical fiber connector further comprises a connector butt joint part (34), the connector butt joint part (34) is arranged on the outer side of the insertion part (3) in a surrounding mode, the connector butt joint part (34) extends from the initial end of the insertion part (3) to the position of the cylindrical structure (31), the connector butt joint part (34) and the insertion part (3) are arranged at intervals, and the connector butt joint part (34) is close to one end of the cylindrical structure (31) and is provided with an internal thread (35).
4. The fiber optic connector of claim 3, wherein: one end of the insertion part (3) close to the main body part (1) is provided with a step (38) extending towards the connector butt joint part (34), and the step (38) is provided with a sealing element (37).
5. The fiber optic connector of claim 1, wherein: the elastic piece is a spring (36) sleeved on the insertion part (3), the spring (36) is located between the insertion part (3) and the connector sleeve (32), one end of the spring (36) is propped against the connector sleeve (32), and the other end of the spring is fixed or propped against the insertion part (3).
6. The fiber optic connector of claim 1, wherein: an alignment structure (39) is arranged on the cylindrical structure (31), and a slot (320) corresponding to the alignment structure (39) is arranged on the connector sleeve (32).
7. An optical fiber connection assembly, it includes optical fiber connector and optical fiber connection seat, its characterized in that:
the optical fiber connector comprises a main body part (1); an insertion part (3) positioned at one end of the main body part (1), wherein an optical fiber insert core (30) is arranged at one end of the insertion part (3) away from the main body part (1); the tail end of the insertion part (3) is also provided with a cylindrical structure (31) surrounding the optical fiber ferrule (30), and the cylindrical structure (31) and the optical fiber ferrule (30) are arranged at intervals; and a connector sleeve (32) sleeved on the tubular structure (31), wherein the connector sleeve (32) can slide along the tubular structure (31), and when the connector sleeve (32) slides to be far away from the tail end of the main body part (1), the connector sleeve (32) is at least partially positioned outside the optical fiber ferrule (30); the optical fiber connector further comprises an elastic piece, wherein the elastic piece is used for applying a driving force to the connector sleeve (32) in a direction away from the main body part (1), and when the optical fiber connectors are in butt joint, the connector sleeve (32) is retracted;
the optical fiber connecting seat comprises a seat body (4), at least one end of the seat body (4) is provided with a connecting seat butt joint part (40), a butt joint channel (41) is arranged in the connecting seat butt joint part (40), external threads (46) are arranged on the outer side of the connecting seat butt joint part (40), the seat body (4) is also provided with a ferrule accommodating seat (42) for accommodating an optical fiber ferrule (30), the ferrule accommodating seat (42) stretches into the butt joint channel (41), and a slot (43) is formed between the ferrule accommodating seat (42) and the inner wall of the connecting seat butt joint part (40).
8. The fiber optic connection assembly of claim 7, wherein:
when the optical fiber connector is inserted into the optical fiber connecting seat, the insertion part (3) is inserted into the butt joint channel (41), the cylindrical structure (31) and the connector sleeve (32) are inserted into the slot (43), and the ferrule accommodating seat (42) is inserted between the optical fiber ferrule (30) and the cylindrical structure (31).
9. The fiber optic connection assembly of claim 7, wherein: the tail end of the ferrule accommodating seat (42) divides the butt joint channel (41) into a first section (44) close to the seat body (4) and a second section (45) far away from the seat body (4), and the length of the second section (45) is larger than that of the first section (44).
10. The fiber optic connection assembly of claim 7, wherein: the slot (43) is used for accommodating a cylindrical structure (31) and a connector sleeve (32) of an insertion part (3) of the optical fiber connector matched with the optical fiber connector base.
11. The fiber optic connection assembly of claim 7, wherein: the cylindrical structure (31) is provided with an alignment structure (39), the connector sleeve (32) is provided with a slot (320) corresponding to the alignment structure (39), the connector holder butt joint part (40) is provided with an alignment matching structure (400), and when the optical fiber connector holder is in butt joint with the optical fiber connector, the alignment matching structure (400) penetrates through the slot (320) and is in matched joint with the alignment structure (39).
CN201810277185.9A 2017-11-14 2018-03-30 Optical fiber connector and optical fiber connection assembly Active CN108241192B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
MX2020005467A MX2020005467A (en) 2018-03-30 2018-08-28 Optical fiber connector and optical fiber connection assembly.
BR112020008569-3A BR112020008569A2 (en) 2017-11-14 2018-08-28 fiber optic connector, and, fiber optic connection set
PE2020000595A PE20210991A1 (en) 2018-03-30 2018-08-28 FIBER OPTIC CONNECTOR AND OPTICAL CONNECTION ASSEMBLY
PCT/CN2018/102625 WO2019184226A1 (en) 2018-03-30 2018-08-28 Optical fiber connector and optical fiber connection assembly
PH12020550493A PH12020550493A1 (en) 2018-03-30 2020-04-24 Optical fiber connector and optical fiber connection assembly
CL2020001366A CL2020001366A1 (en) 2017-11-14 2020-05-25 Fiber optic connector and optical connection assembly.

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CN2017111244319 2017-11-14
CN201711124431 2017-11-14

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CN201810277458.XA Active CN108490551B (en) 2017-11-14 2018-03-30 Optical fiber connector, optical fiber connecting seat and optical fiber connecting assembly
CN201810277185.9A Active CN108241192B (en) 2017-11-14 2018-03-30 Optical fiber connector and optical fiber connection assembly
CN201810277056.XA Pending CN108254835A (en) 2017-11-14 2018-03-30 A kind of joint of connector, adapter and fast insert-pull
CN201810277247.6A Active CN108318975B (en) 2017-11-14 2018-03-30 Connector, adapter and quick-plug optical fiber connection assembly
CN201820444557.8U Active CN207965228U (en) 2017-11-14 2018-03-30 A kind of joint of connector, adapter and fast insert-pull
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CN201820444557.8U Active CN207965228U (en) 2017-11-14 2018-03-30 A kind of joint of connector, adapter and fast insert-pull
CN201810277225.XA Active CN108508541B (en) 2017-11-14 2018-03-30 Optical fiber connector, optical fiber connecting seat and optical fiber connecting assembly

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CN108254835A (en) 2018-07-06
CN207965231U (en) 2018-10-12
CN108508541A (en) 2018-09-07
CN108490551A (en) 2018-09-04
CN108508541B (en) 2020-06-16
CN108318975A (en) 2018-07-24
CN108318975B (en) 2024-01-30
BR112020007619A2 (en) 2020-10-20
CL2020001366A1 (en) 2020-08-21
CN207965228U (en) 2018-10-12
MX2020004286A (en) 2020-07-29
CN108241192A (en) 2018-07-03
BR112020008569A2 (en) 2020-10-20
PH12020550110A1 (en) 2020-12-07
CL2020001130A1 (en) 2020-08-14
CN108490551B (en) 2020-12-01

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