CN108318975A - A kind of joint of connector, adapter and fast insert-pull - Google Patents

A kind of joint of connector, adapter and fast insert-pull Download PDF

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Publication number
CN108318975A
CN108318975A CN201810277247.6A CN201810277247A CN108318975A CN 108318975 A CN108318975 A CN 108318975A CN 201810277247 A CN201810277247 A CN 201810277247A CN 108318975 A CN108318975 A CN 108318975A
Authority
CN
China
Prior art keywords
connector
adapter
outer sleeve
lock pin
back segment
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.)
Granted
Application number
CN201810277247.6A
Other languages
Chinese (zh)
Other versions
CN108318975B (en
Inventor
黄美金
邹峰
魏文振
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 CN108318975A publication Critical patent/CN108318975A/en
Priority to PCT/CN2018/103128 priority Critical patent/WO2019184238A1/en
Application granted granted Critical
Publication of CN108318975B publication Critical patent/CN108318975B/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
    • 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
    • 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 the joints of a kind of connector, adapter and fast insert-pull, are related to Optical Distribution Network field.Connector includes：Header body which is provided with optical fiber ceramic lock pin, and header body is equipped with for the groove with the matched adapter clamping of connector.Connector back segment, one end opposite with optical fiber ceramic lock pin is arranged in header body are connected, and connector back segment and header body form a cavity.It is mounted on the optical cable of connector back segment, and optical cable stretches into cavity.Connector jacket cylinder, is set in the junction of header body and connector back segment, and connector jacket cylinder can be along the axially opposing sliding of connector back segment.Connector spring is arranged between connector jacket cylinder and connector back segment.The plug that adapter and connector can easy, be quickly completed using the joint of the present invention is operated, and locking force is reliable, efficiently solves the problems, such as that joint plugs that inconvenient, locking force is inadequate.

Description

A kind of joint of connector, adapter and fast insert-pull
Technical field
The present invention relates to Optical Distribution Network fields, are specifically the optical fiber of a kind of connector, adapter and fast insert-pull Connection component.
Background technology
With the large scale deployment of FTTH (Fiber To The Home, fiber to the home), joint increasingly by It is a large amount of to use.In general, joint includes optical fiber connector and adapter.And the optical fiber connector used at this stage With the adapter overwhelming majority using the connector and adapter of industry standard.The connector of the type and setting for adapter Meter original intention is to solve indoor or has the optical fiber in protecting box (babinet) to connect, therefore is lacked in actual use there is following It falls into：
1, it is small to bear pulling-out force for existing standard style connector and adapter, cannot be satisfied optical cable and optical fibres by larger pulling force feelings Therefore connection under condition generally requires and optical cable and optical fibres is additionally fixed and is protected in the way of hose clamp, fixture etc., this nothing It doubts so that connection and plug inconvenient, while also increasing use cost；
2, existing standard style connector and the dust-proof of adapter, water resistance are poor, are not useable for outdoor, are only capable of being applicable in It is big using limitation in interior or in the environment of having safeguard measure.
Currently, there is also optical fiber connectors and adapter that small part has water proofing property on the market, but largely use Locking mode is screw-on, and screw-on locking mode is since then in the presence of plug, cumbersome, locking force has its own characteristic The defect of limit.
Therefore, how to solve the problems, such as that existing fiber connection component plugs that inconvenient, locking force is inadequate, Yi Jifang Water, dust-proof problem are those skilled in the art's urgent problems to be solved.
Invention content
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of optical fiber connection groups of fast insert-pull Part solves the problems, such as that plug is inconvenient, locking force is inadequate.
To achieve the above objectives, the technical solution adopted by the present invention is that：
A kind of connector is used for optical fiber connection, which is characterized in that the connector includes connected header body and company Device back segment is connect, the header body is equipped with for the groove with the matched adapter clamping of the connector, the connector Further include the axially slidable connector jacket cylinder for the junction for being set in the header body and connector back segment, and described Connector further includes the connector spring being arranged between the connector jacket cylinder and connector back segment.
Based on the above technical solution,
The groove be along the circumferentially disposed ring annular groove of the header body, alternatively,
The groove is hemispherical groove.
The present invention also provides a kind of connectors, are used for optical fiber connection comprising：
Header body which is provided with optical fiber ceramic lock pin, and the header body is equipped with and is used for and the connector The groove for the adapter clamping matched；
Connector back segment, one end opposite with optical fiber ceramic lock pin is arranged in the header body are connected, the connection Device back segment and header body form a cavity；
It is mounted on the optical cable of the connector back segment, and the optical cable stretches into the cavity；
Connector jacket cylinder is set in the junction of the header body and connector back segment, and outside the connector Sleeve can be along the axially opposing sliding of the connector back segment；And
Connector spring is arranged between the connector jacket cylinder and connector back segment.
Since groove intensity is more than screw thread, the pulling-out force of bigger can be born by carrying out clamping by groove.
Based on the above technical solution,
The groove be along the circumferentially disposed ring annular groove of the header body, alternatively,
The groove is hemispherical groove.
It is had their own advantages using annular groove or hemispherical groove, annular groove is due to being not required to very strict deflection angle pair Standard, and hemispherical groove then needs more accurately to deflect angular alignment, otherwise then the holding body of adapter can be caused to be difficult to accurately It is stuck in the center of hemispherical groove, still, since hemispherical groove often can more be matched with the shape of holding body, is led Cause it that can provide better clamping effect, to improve the ability for bearing pulling-out force.
Based on the above technical solution, the groove is located at header body installation optical fiber ceramic lock pin region Outer surface.
Based on the above technical solution, the header body includes insertion section, and the optical fiber ceramic lock pin setting exists One end of the insertion section, and the insertion section end is additionally provided with the tubular structure around the optical fiber ceramic lock pin, the cylinder Shape structure is arranged with the optical fiber ceramic lock pin interval, and the tubular structure outer surface is enclosed equipped with the first sealing structure.
First sealing structure can prevent water from entering the area of optical fiber ceramic lock pin by the linkage interface of connector and adapter Domain, the loss brought so as to avoid optical fiber water inlet, and the first sealing structure is arranged most from optical fiber ceramic lock pin On close tubular structure, sealing structure is effectively reduced to the distance for needing waterproof construction, is reduced in sealing structure to needing waterproof construction Between form the probability of new seepage point, improve the waterproof effect in optical fiber ceramic lock pin region.
Based on the above technical solution, first sealing structure is a sealing ring or multiple spaced sealings Circle.
Based on the above technical solution,
The insertion section is hollow tubular construction；
The optical cable end is equipped with optical cable connector, and in the cavity, the optical cable connects for optical cable connector position Head is connected with the insertion section；
There is the optical cable connector adapter section for stretching into the insertion section, the adapter section to connect for connecting the optical cable Connector and the insertion section, and the adapter section is equipped with second seals structure, the second seals structure is described for being isolated Space in cavity and the insertion section.
After second seals structure, water can be prevented to be flowed into insertion section by cavity, and then can reduced Follow-up water flows to the possibility at fiber stub, plays the role of better seal waterproof.
Based on the above technical solution, the connector jacket cylinder is used for the adaptation that ejection is adapted to the connector Device outer sleeve.
Based on the above technical solution, the connector spring is for providing the connector jacket cylinder to described recessed The driving force for the adapter outer sleeve that the movement of slot direction and ejection are adapted to the connector.
The present invention also provides a kind of connectors, are used for optical fiber connection comprising：
Adaptor body, the adaptor body at least one end are the docking section of tubular, and the docking section is equipped with to connecting Road, the adaptor body are equipped with the lock pin holding seat for accommodating optical fiber ceramic lock pin, and the lock pin holding seat is located at described In the middle part of adaptor body, and the docking section is equipped with the container being connected to the docking channel；
Holding body, the holding body activity are contained in the container；
The adapter outer sleeve being actively sheathed on outside the docking section, the adapter outer sleeve have first state and Second state, when the adapter outer sleeve is in first state, the adapter outer sleeve supports the holding body, and makes Part holding body stretches into docking channel, when the adapter outer sleeve is in the second state, the adapter in which can not retract It is equipped between outer sleeve and the opening of the container and exits the bit space that allows for docking channel for holding body；
Adapter baffle ring is embedded the front end in the docking section；
Adapter spring is set between the adapter outer sleeve and docking section, and the adapter spring is for carrying For the adapter outer sleeve to the driving force far from the movement of lock pin holding seat direction.
Since when adapter outer sleeve is in first state, part holding body stretches into docking channel in which can not retract, and stretches The part for entering to dock channel is then used for and the fit depressions of connector, with connection and locking connector and adapter, and by It is supported and cannot be exited in holding body, therefore it docks channel so that the connection of connector and adapter is very secured, can To bear very high pulling force.
Based on the above technical solution, the holding body is steel ball, and the container is cylindrical hole, and the receiving Trench bottom is equipped with shelves stop, and the shelves stop is for preventing the steel ball from dropping out the container completely.
Steel ball selected as holding body be because steel ball intensity itself is high, and in container up and down motion be not easy by It blocks.
Based on the above technical solution, the adapter outer sleeve is equipped with the holding block protruded by inner wall, when described When adapter outer sleeve is in first state, the holding block is located at the container, and supports the holding body.
In such a way that holding block is set in adapter outer sleeve inner wall other regions in addition to holding block are had to card The space for holding body resigning, when in addition in the first state other, holding body is will not to be supported and be maintained at first state , holding body can also completely return in container.
Based on the above technical solution, the holding block has an inclined-plane close to lock pin holding seat side.
When first state switches to the second state, inclined-plane can guide holding body downwards, make first state and second Switching between state is more smoothly.
Based on the above technical solution, the docking section includes close to the first segment of lock pin holding seat and by described the One section of second segment further extended, and the first segment radius is more than second segment, the adapter outer sleeve is received close to lock pin One end of holder is set on the first segment, and when converting between the first state and a second state, the holding block is in institute It states and is moved axially on second segment.
The diameter difference of first segment and second segment be in order to formed holding block movement space, reduce the diameter of outer sleeve, from And reduce the diameter of entire adapter.
The present invention also provides a kind of joint of fast insert-pull, including adapter and connector, the connectors Including：
Header body which is provided with optical fiber ceramic lock pin, and the header body is equipped with and is used for and the connector The groove for the adapter clamping matched；
Connector back segment, one end opposite with optical fiber ceramic lock pin is arranged in the header body are connected, the connection Device back segment and header body form a cavity；
It is mounted on the optical cable of the connector back segment, and the optical cable stretches into the cavity；
Connector jacket cylinder is set in the junction of the header body and connector back segment, and outside the connector Sleeve can be along the axially opposing sliding of the connector back segment；And
Connector spring is arranged between the connector jacket cylinder and connector back segment.
The adapter includes：
Adaptor body, the adaptor body at least one end are the docking section of tubular, and the docking section is equipped with to connecting Road, the adaptor body are equipped with the lock pin holding seat for accommodating optical fiber ceramic lock pin, and the lock pin holding seat is located at described In the middle part of adaptor body, and the docking section is equipped with the container being connected to the docking channel；
Holding body, the holding body activity are contained in the container；
The adapter outer sleeve being actively sheathed on outside the docking section, the adapter outer sleeve have first state With the second state, when the adapter outer sleeve is in first state, the adapter outer sleeve supports the holding body, and Make part holding body that can not retract stretch into docking channel, when the adapter outer sleeve is in the second state, the housing Cylinder docks the bit space that allows in channel with being equipped with to exit for holding body between the opening of the container；
Adapter baffle ring is embedded the front end in the docking section；
Adapter spring is set between the adapter outer sleeve and docking section, the adapter spring and adaptation Device baffle ring is used to the adapter outer sleeve being held in first state.
Using holding body snap lock used in existing standard connector is compared with the connection type locking force of groove Tight device locking force bigger can bear the pulling-out force of bigger more suitable for outdoor complicated scene.And what is needed when being inserted into inserts It is small to enter power, locking force is big when locking, when extraction, can smoothly extract connector, and it is small to extract dynamics, has the spy of operation readiness Point efficiently solves the problems, such as that existing fiber connection component plugs that inconvenient, locking force is inadequate.
Based on the above technical solution, the coefficient of elasticity of the connector spring is more than the bullet of the adapter spring Property coefficient.
Description of the drawings
Fig. 1 is the structural schematic diagram of adapter in the present invention；
Fig. 2 is the structural schematic diagram of connector in the present invention；
Fig. 3 is the structural schematic diagram of the connector after installation optical cable in the present invention；
Fig. 4 is the structural schematic diagram of joint in the present invention；
Fig. 5 is the process schematic 1 that adapter is docked with connector in the present invention；
Fig. 6 is the process schematic 2 that adapter is docked with connector in the present invention；
Fig. 7 is the process schematic 3 that adapter is docked with connector in the present invention；
Fig. 8 is the process schematic 4 that adapter is docked with connector in the present invention；
Fig. 9 is the process schematic 1 that connector is extracted from adapter in the present invention；
Figure 10 is the process schematic 1 that connector is extracted from adapter in the present invention.
Reference numeral：
1- adapters, 101- adaptor bodies, 101a- dock channel, 101b- containers, and 101c- allows bit space, 102- Docking section, 103- lock pin holding seats, 104- adapter baffle rings, 105- adapter outer sleeves, 105a- holding blocks, 106- adapters Spring, 107- steel balls, the inclined-planes 108-；
2- connectors, 201- header bodies, 202- optical fiber ceramic lock pins, 203- connector back segments, 204- cavitys, 205- light Cable, 206- connector jacket cylinders, 207- connector springs, the insertion sections 208-, 209- tubular structures, the first sealing structures of 210-, 211- optical cable connectors, 212- adapter sections, 213- second seals structures, 214- grooves.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment invention is further described in detail.
Embodiment 1：
Fig. 1 to Fig. 4 is please also refer to, the embodiment of the present invention provides a kind of connector 2, is used for optical fiber connection, connector 2 Including header body 201, connector back segment 203, optical cable 205, connector jacket cylinder 206 and connector spring 207.
Header body 201 is for carrying optical cable 215 and for hand-held.Header body 201 is equipped with optical fiber ceramic lock pin 202, and header body 201 is equipped with for the groove 214 with the matched adapter clamping of connector.The present embodiment further groove 214 are located at the outer surface that header body 201 installs 202 region of optical fiber ceramic lock pin.
Connector back segment 203 is connected with the opposite one end of optical fiber ceramic lock pin 202 is arranged in header body 201, connector Back segment 203 and header body 201 form a cavity 204.
It is mounted on the optical cable 205 of connector back segment 203, and optical cable 205 stretches into cavity 204；
Connector jacket cylinder 206 is set in the junction of header body 201 and connector back segment 203, and connector jacket Cylinder 206 can be along the axially opposing sliding of connector back segment 203.
Connector spring 207 is arranged between connector jacket cylinder 206 and connector back segment 203.Connector jacket cylinder The 206 adapter outer sleeves 105 being adapted to connector for ejection.Connector spring 207 is for providing connector jacket cylinder 206 The driving force for the adapter outer sleeve 105 being adapted to the movement of 214 direction of groove and ejection with connector.
Using the connection type of screw thread in compared with the existing technology, bigger can be born using groove 214 as connection structure Pulling-out force, and need not rotate, be directly inserted into, it is easy to operate.And due to not having to rotate, what is needed operates for hand Space it is small, density of the connector on panel can be improved.
Embodiment 2：
Please also refer to Fig. 1 to Fig. 4, as an optional embodiment, the present embodiment and embodiment 1 difference lies in： Groove 214 is along the circumferentially disposed ring annular groove of header body 201, alternatively, groove 214 is hemispherical groove.
It is had their own advantages using annular groove or hemispherical groove, annular groove is due to being not required to very strict deflection angle pair Standard, and hemispherical groove then needs more accurately to deflect angular alignment, otherwise then the holding body of adapter 1 can be caused to be difficult to accurately It is stuck in the center of hemispherical groove, still, since hemispherical groove often can more be matched with the shape of holding body, is led Cause it that can provide better clamping effect, to improve the ability for bearing pulling-out force.In the present embodiment, add for convenience Work, and due to can bear very high pulling-out force using annular groove, in embodiments of the present invention, preferably select With annular groove.
Embodiment 3：
Please also refer to Fig. 1 to Fig. 4, as an optional embodiment, the present embodiment and embodiment 1 difference lies in： Header body 201 includes insertion section 208, and one end in insertion section 208, and 208 end of insertion section is arranged in optical fiber ceramic lock pin 202 It is additionally provided with the tubular structure 209 around optical fiber ceramic lock pin 202, tubular structure 209 is arranged with the interval of optical fiber ceramic lock pin 202, And 209 outer surface of tubular structure is enclosed equipped with the first sealing structure 210.According to actual needs, the first sealing structure 210 can be one Sealing ring or multiple spaced sealing rings.
First sealing structure can prevent water from entering the area of optical fiber ceramic lock pin by the linkage interface of connector and adapter Domain, the loss brought so as to avoid optical fiber water inlet, and the first sealing structure is arranged most from optical fiber ceramic lock pin On close tubular structure, sealing structure is effectively reduced to the distance for needing waterproof construction, is reduced in sealing structure to needing waterproof construction Between form the probability of new seepage point, improve the waterproof effect in optical fiber ceramic lock pin region.
Embodiment 4：
Please also refer to Fig. 1 to Fig. 4, as an optional embodiment, the present embodiment and embodiment 3 difference lies in：
Insertion section 208 is hollow tubular construction；
205 end of optical cable is equipped with optical cable connector 211, and optical cable connector 211 is located in cavity 204, optical cable connector 211 It is connected with insertion section 208；
Optical cable connector 211 has the adapter section 212 for stretching into insertion section 208, and adapter section 212 is for connecting optical cable connector 211 and insertion section 208, and adapter section 212 is equipped with second seals structure 213, second seals structure 213 is for being isolated cavity 204 and insertion section 208 in space.
After second seals structure, water can be prevented to be flowed into insertion section by cavity, and then can reduced Follow-up water flows to the possibility at fiber stub, plays the role of better seal waterproof.
Embodiment 5：
Fig. 1 to Fig. 4 is please also refer to, the present invention also provides a kind of connectors 2, are used for optical fiber connection, and connector includes Connected header body 201 and connector back segment 203, header body 201, which is equipped with, to be used for and the matched adapter card of connector The groove 214 that connects, connector further include being set in the junction of header body 201 and connector back segment 203 to slide axially Connector jacket cylinder 206, and connector further includes the company being arranged between connector jacket cylinder 206 and connector back segment 203 Connect device spring 207.
Embodiment 6：
Please also refer to Fig. 1 to Fig. 4, as an optional embodiment, the present embodiment and embodiment 5 difference lies in： Groove 214 is along the circumferentially disposed ring annular groove of header body 201, alternatively, groove 214 is hemispherical groove.
Embodiment 7：
Fig. 1 to Fig. 4 is please also refer to, the present invention also provides a kind of adapters 1, are used for optical fiber connection comprising：
Adaptor body 101, at least one end of adaptor body 101 be tubular docking section 102, docking section 102 be equipped with pair Road 101a is connected, adaptor body 101 is equipped with the lock pin holding seat 103 for accommodating optical fiber ceramic lock pin 202, lock pin holding seat 103 are located at 101 middle part of adaptor body, and docking section 102 is equipped with the container 101b being connected to docking channel 101a；
Holding body, holding body activity are contained in container 101b；
The adapter outer sleeve 105 being actively sheathed on outside docking section 102, adapter outer sleeve 105 have first state With the second state, when adapter outer sleeve 105 is in first state, adapter outer sleeve 105 supports holding body, and makes part Holding body stretches into docking channel 101a, when adapter outer sleeve 105 is in the second state, adapter outer sleeve in which can not retract Be equipped between 105 and the opening of container 101b exited for holding body dock channel 101a allow bit space 101c；
Adapter baffle ring 104 is embedded the front end in docking section 102；
Adapter spring 106 is set between adapter outer sleeve 105 and docking section 102, and adapter spring 106 is used In offer adapter outer sleeve 105 to the driving force far from the 103 direction movement of lock pin holding seat.
Since when adapter outer sleeve 105 is in first state, part holding body stretches into docking channel in which can not retract 101a, the part for stretching into docking channel 101a is then used for and the groove 214 of connector 2 matches, with connection and locking connector 2 It with adapter 1, and cannot be exited since holding body is supported, dock channel 101a so that connector 2 and suitable The connection of orchestration 1 is very secured, can bear very high pulling force.
Embodiment 8：
Specifically, Fig. 1 to Fig. 4 is please also refer to, compared with Example 7, specifically, holding body is steel ball 107, container 101b is cylindrical hole, and the bottoms container 101b are equipped with shelves stop, and the shelves stop is for preventing the steel ball 107 from dropping out institute completely State container 101b.Specifically, shelves stop is the funnel structure of the bottoms container 101b, though it is foreseeable that there is also a variety of Other block modes, such as set salient point mode in container 101b bottom interior walls.Steel ball 107 selected as holding body be because Steel ball intensity itself is high, and moves up and down in container 101b and be not easy to be stuck.There is arc the bottoms container 101b The stopping structure inside contracted, be used to prevent holding body from dropping out container 101b.
Further, adapter outer sleeve 105 is equipped with the holding block 105a protruded by inner wall, when adapter outer sleeve 105 When in first state, holding block 105a is located at container 101b, and supports holding body.By in adapter outer sleeve inner wall The mode that holding block is arranged makes other regions in addition to holding block have the space stepped down to holding body, in addition in the first state Other when, holding body will not be supported and be maintained at first state, and holding body can also completely return to container 101b It is interior.
Further, holding block 105a has an inclined-plane 108 close to 42 side of lock pin holding seat.When first state switches to When the second state, inclined-plane 108 can guide holding body downwards, keep the switching between first state and the second state more suitable Freely.
Further, docking section 102 includes the first segment of close lock pin holding seat 103 and is further extended by first segment Second segment, and first segment radius is more than second segment, adapter outer sleeve 105 is set in the close to one end of lock pin holding seat 103 On one section, when converting between the first state and a second state, holding block 105a is moved axially on second segment.
Embodiment 9：
Join shown in part Fig. 4, the present invention also provides a kind of joints of fast insert-pull, including adapter 1 and connection Device 2.
Wherein, connector 2 includes：
Header body 201 which is provided with optical fiber ceramic lock pin 202, and header body 201 is equipped with and is used for and connector The groove 214 for the adapter clamping matched；
Connector back segment 203 is connected with the opposite one end of optical fiber ceramic lock pin 202 is arranged in header body 201, connects Device back segment 203 and header body 201 form a cavity 204；
It is mounted on the optical cable 205 of connector back segment 203, and optical cable 205 stretches into cavity 204；
Connector jacket cylinder 206 is set in the junction of header body 201 and connector back segment 203, and outside connector Sleeve 206 can be along the axially opposing sliding of connector back segment 203；And
Connector spring 207 is arranged between connector jacket cylinder 206 and connector back segment 203.
Adapter 1 includes：
Adaptor body 101, at least one end of adaptor body 101 be tubular docking section 102, docking section 102 be equipped with pair Road 101a is connected, adaptor body 101 is equipped with the lock pin holding seat 103 for accommodating optical fiber ceramic lock pin 202, lock pin holding seat 103 are located at 101 middle part of adaptor body, and docking section 102 is equipped with the container 101b being connected to docking channel 101a；
Holding body, holding body activity are contained in container 101b；
The adapter outer sleeve 105 being actively sheathed on outside docking section 102, adapter outer sleeve 105 have first state With the second state, when adapter outer sleeve 105 is in first state, adapter outer sleeve 105 supports holding body, and makes part Holding body stretches into docking channel 101a, when adapter outer sleeve 105 is in the second state, adapter outer sleeve in which can not retract Be equipped between 105 and the opening of container 101b exited for holding body dock channel 101a allow bit space 101c；
Adapter baffle ring 104 is embedded the front end in docking section 102；
Adapter spring 106 is set between adapter outer sleeve 105 and docking section 102,106 He of adapter spring Adapter baffle ring 104 is used to adapter outer sleeve 105 being held in first state, and provides and be used for and the matched connection of adapter Driving force when device is extracted.
Further, the coefficient of elasticity of connector spring is more than the coefficient of elasticity of adapter spring.
Using holding body snap lock used in existing standard connector is compared with the connection type locking force of groove Tight device locking force bigger can bear the pulling-out force of bigger more suitable for outdoor complicated scene.And what is needed when being inserted into inserts It is small to enter power, locking force is big when locking, when extraction, can smoothly extract connector, and it is small to extract dynamics, has the spy of operation readiness Point efficiently solves the problems, such as that existing fiber connection component plugs that inconvenient, locking force is inadequate.
Referring to Fig. 5 to Figure 10, the retaining mechanism operation principle of the present invention is introduced below.
It is shown in Figure 5, when adapter 1 is in connector 2 docks preceding state, adapter spring 106 and connector Spring 207 is in the precommpression shape having in itself after the uncompressed assembly not comprising spring that this place of unpressed state refers to State, it is just opposite after general spring installation to be in pre-compressed state with original length.105 inner wall of adapter outer sleeve is not in compression steel ball 107 state, it is up and down in the gap that steel ball 107 can be between adapter outer sleeve 105 and adaptor body 101 at this time, Ensure the groove 214 of connector 2 before not reaching precalculated position, steel ball 107 will not impact the insertion of connector 2.
It is shown in Figure 6, the connector back segment 203 of connector 2 is held, is gradually inserted connector 2 along direction of insertion suitable Orchestration 1.The steel ball 107 on adapter 1 is in state movable up and down at this time, thus can be connected the header body 201 of device 2 It heads into the gap between adapter outer sleeve 105 and adaptor body 101.
It is shown in Figure 7, with the increase of 2 insertion depth of connector, connector jacket cylinder 206 on connector 2 with it is suitable Adapter outer sleeve 105 on orchestration 1 starts to contact.Adapter outer sleeve 105 is withstood by steel ball 107 at this time, can not be to moving to left Dynamic, thus continuing growing with insertion depth, the connector jacket cylinder 206 on connector 2 can be slided along the opposite direction being inserted into Dynamic, connector spring 207 is compressed.
Shown in Figure 8, when 2 insertion depth of connector reaches precalculated position, the groove 214 on connector 2 is just located In 107 lower section of steel ball, steel ball 107 can be movable down, thus is connected device outer sleeve 206 and is pushed into groove 214 and is connected device The inner wall of outer sleeve 206 compresses.At this point, the coefficient of elasticity due to connector spring 207 is more than adapter spring 106, thus connect It connects device spring 207 to be released, adapter spring 106 is compressed.At this moment steel ball 107 is firmly pressed in groove 214, When human hand pinches connector back segment 203 or directly pulls optical cable again, connector 2 will not be pulled out.
Shown in Fig. 9 and Figure 10, when needing to extract connector 2, connector jacket cylinder 206 should be held to extraction direction Force, at this point, connector spring 207 is compressed, adapter spring 106 is released and adapter outer sleeve 105 is pushed to return to just Beginning position.Steel ball 107 is in state movable up and down at this time, recessed on connector 2 when connector 2 continues to extract outward Slot 214 pushes steel ball movable upwards, and connector 2 is smoothly extracted.
By aforesaid operations, it can easy, quickly complete adapter 1 and the plug of connector 2 operates, and locking force can It leans on, efficiently solves the problems, such as that existing fiber connection component plugs that inconvenient, locking force is inadequate.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention Within the scope of.
The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.

Claims (16)

1. a kind of connector, it to be used for optical fiber connection, which is characterized in that the connector includes connected header body (201) With connector back segment (203), the header body (201) is equipped with for recessed with the matched adapter clamping of the connector Slot (214), the connector further include be set in the header body (201) and connector back segment (203) junction can Connector jacket cylinder (206) in axial sliding, and the connector further includes setting in the connector jacket cylinder (206) and connects Connect the connector spring (207) between device back segment (203).
2. a kind of connector as described in claim 1, it is characterised in that：
The groove (214) be along the circumferentially disposed ring annular groove of the header body (201), alternatively,
The groove (214) is hemispherical groove.
3. a kind of connector is used for optical fiber connection, which is characterized in that it includes：
Header body (201), which is provided with optical fiber ceramic lock pin (202), and the header body (201) is equipped with and is used for and institute State the groove (214) of the matched adapter clamping of connector；
Optical fiber ceramic lock pin (202) opposite one end phase is set on connector back segment (203), with the header body (201) Even, the connector back segment (203) and header body (201) form a cavity (204)；
It is mounted on the optical cable (205) of the connector back segment (203), and the optical cable (205) stretches into the cavity (204)；
Connector jacket cylinder (206) is set in the junction of the header body (201) and connector back segment (203), and institute Stating connector jacket cylinder (206) can be along the axially opposing sliding of the connector back segment (203)；And
Connector spring (207) is arranged between the connector jacket cylinder (206) and connector back segment (203).
4. a kind of connector as claimed in claim 3, it is characterised in that：
The groove (214) be along the circumferentially disposed ring annular groove of the header body (201), alternatively,
The groove (214) is hemispherical groove.
5. a kind of connector as claimed in claim 3, it is characterised in that：The groove (214) is located at the header body (201) outer surface in optical fiber ceramic lock pin (202) region is installed.
6. a kind of connector as claimed in claim 3, it is characterised in that：The header body (201) includes insertion section (208), the optical fiber ceramic lock pin (202) is arranged in one end of the insertion section (208), and the insertion section (208) end It is additionally provided with the tubular structure (209) around the optical fiber ceramic lock pin (202), the tubular structure (209) is made pottery with the optical fiber The setting of porcelain lock pin (202) interval, and the tubular structure (209) outer surface is enclosed equipped with the first sealing structure (210).
7. a kind of connector as claimed in claim 6, it is characterised in that：First sealing structure (210) is a sealing ring Or multiple spaced sealing rings.
8. a kind of connector as claimed in claim 6, it is characterised in that：
The insertion section (208) is hollow tubular construction；
Optical cable (205) end is equipped with optical cable connector (211), and the optical cable connector (211) is located at the cavity (204) Interior, the optical cable connector (211) is connected with the insertion section (208)；
There is the optical cable connector (211) adapter section (212) for stretching into the insertion section (208), the adapter section (212) to use In the connection optical cable connector (211) and the insertion section (208), and the adapter section (212) is equipped with the second sealing and ties Structure (213), the second seals structure (213) is for being isolated the cavity (204) and the insertion section (208) interior space.
9. a kind of connector as claimed in claim 3, it is characterised in that：The connector jacket cylinder (206) for ejection with The adapter outer sleeve (105) of the connector adaptation.
10. a kind of connector as claimed in claim 9, it is characterised in that：The connector spring (207) is described for providing The adapter outer sleeve that connector jacket cylinder (206) is adapted to the movement of the groove (214) direction and ejection with the connector (105) driving force.
11. a kind of adapter is used for optical fiber connection, which is characterized in that it includes：
Adaptor body (101), the adaptor body (101) at least one end are the docking section (102) of tubular, the docking section (102) it is equipped with docking channel (101a), the adaptor body (101) is equipped with for accommodating inserting for optical fiber ceramic lock pin (202) Core holding seat (103), the lock pin holding seat (103) is located in the middle part of the adaptor body (101), and the docking section (102) it is equipped with the container (101b) being connected to docking channel (101a)；
Holding body, the holding body activity are contained in the container (101b)；
Actively it is sheathed on the adapter outer sleeve (105) of the docking section (102) outside, adapter outer sleeve (105) tool There are first state and the second state, when the adapter outer sleeve (105) is in first state, the adapter outer sleeve (105) support the holding body, and make part holding body that can not retract stretch into docking channel (101a), when outside the adapter When sleeve (105) is in the second state, it is equipped between the adapter outer sleeve (105) and the opening of the container (101b) Bit space (101c) is allowed for what holding body exited docking channel (101a)；
Adapter baffle ring (104), is embedded the front end in the docking section (102)；
Adapter spring (106) is set between the adapter outer sleeve (105) and docking section (102), the adapter Spring (106) is used to provide the adapter outer sleeve (105) to the driving moved far from lock pin holding seat (103) direction Power.
12. a kind of adapter as claimed in claim 11, it is characterised in that：The holding body is steel ball (107), the receiving Slot (101b) is cylindrical hole, and the bottom the container (101b) is equipped with shelves stop, and the shelves stop is for preventing the steel ball (107) container (101b) is dropped out completely.
13. a kind of adapter as claimed in claim 11, it is characterised in that：The adapter outer sleeve (105) is equipped with by interior The holding block (105a) of wall protrusion, when the adapter outer sleeve (105) is in first state, holding block (105a) position At the container (101b), and support the holding body.
14. a kind of adapter as claimed in claim 11, it is characterised in that：The holding block (105a) is close to lock pin holding seat (103) side has an inclined-plane (108).
15. a kind of adapter as claimed in claim 11, it is characterised in that：The docking section (102) includes being received close to lock pin The first segment of holder (103) and the second segment further extended by the first segment, and the first segment radius is more than second segment, The adapter outer sleeve (105) is set in close to one end of lock pin holding seat (103) on the first segment, when in first state And second when converting between state, the holding block (105a) moves axially on the second segment.
16. a kind of joint of fast insert-pull, including adapter (1) and connector (2), which is characterized in that the company Connecing device (2) includes：
Header body (201), which is provided with optical fiber ceramic lock pin (202), and the header body (201) be equipped with for and The groove (214) of the matched adapter clamping of connector；
Optical fiber ceramic lock pin (202) opposite one end phase is set on connector back segment (203), with the header body (201) Even, the connector back segment (203) and header body (201) form a cavity (204)；
It is mounted on the optical cable (205) of the connector back segment (203), and the optical cable (205) stretches into the cavity (204)；
Connector jacket cylinder (206) is set in the junction of the header body (201) and connector back segment (203), and The connector jacket cylinder (206) can be along the axially opposing sliding of the connector back segment (203)；And
Connector spring (207) is arranged between the connector jacket cylinder (206) and connector back segment (203).
The adapter (1) includes：
Adaptor body (101), the adaptor body (101) at least one end are the docking section (102) of tubular, the docking Portion (102) is equipped with docking channel (101a), and the adaptor body (101) is equipped with for accommodating optical fiber ceramic lock pin (202) Lock pin holding seat (103), the lock pin holding seat (103) is located in the middle part of the adaptor body (101), and the docking section (102) it is equipped with the container (101b) being connected to docking channel (101a)；
Holding body, the holding body activity are contained in the container (101b)；
Actively it is sheathed on the adapter outer sleeve (105) of the docking section (102) outside, adapter outer sleeve (105) tool There are first state and the second state, when the adapter outer sleeve (105) is in first state, the adapter outer sleeve (105) support the holding body, and make part holding body that can not retract stretch into docking channel (101a), when outside the adapter When sleeve (105) is in the second state, it is equipped with for clamping between the outer sleeve (105) and the opening of the container (101b) What body exited docking channel (101a) allows bit space (101c)；
Adapter baffle ring (104), is embedded the front end in the docking section (102)；
Adapter spring (106) is set between the adapter outer sleeve (105) and docking section (102), the adaptation Device spring (106) and adapter baffle ring (104) are used to the adapter outer sleeve (105) being held in first state.
CN201810277247.6A 2017-11-14 2018-03-30 Connector, adapter and quick-plug optical fiber connection assembly Active CN108318975B (en)

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CN201810277225.XA Active CN108508541B (en) 2017-11-14 2018-03-30 Optical fiber connector, optical fiber connecting seat and optical fiber connecting assembly
CN201810277056.XA Pending CN108254835A (en) 2017-11-14 2018-03-30 A kind of joint of connector, adapter and fast insert-pull
CN201820463076.1U Active CN207965231U (en) 2017-11-14 2018-03-30 A kind of fiber connector, fiber connector socket and joint
CN201810277247.6A Active CN108318975B (en) 2017-11-14 2018-03-30 Connector, adapter and quick-plug optical fiber connection assembly
CN201810277458.XA Active CN108490551B (en) 2017-11-14 2018-03-30 Optical fiber connector, optical fiber connecting seat and optical fiber connecting assembly
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CN201810277056.XA Pending CN108254835A (en) 2017-11-14 2018-03-30 A kind of joint of connector, adapter and fast insert-pull
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