CN108254835A - 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
CN108254835A
CN108254835A CN201810277056.XA CN201810277056A CN108254835A CN 108254835 A CN108254835 A CN 108254835A CN 201810277056 A CN201810277056 A CN 201810277056A CN 108254835 A CN108254835 A CN 108254835A
Authority
CN
China
Prior art keywords
connector
adapter
outer sleeve
state
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810277056.XA
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Chinese (zh)
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 CN108254835A publication Critical patent/CN108254835A/en
Priority to PCT/CN2018/103129 priority Critical patent/WO2019184239A1/en
Priority to MX2020004286A priority patent/MX2020004286A/en
Priority to BR112020007619-8A priority patent/BR112020007619A2/en
Priority to PH12020550110A priority patent/PH12020550110A1/en
Priority to CL2020001130A priority patent/CL2020001130A1/en
Pending legal-status Critical Current

Links

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
    • G02B6/3833—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
    • G02B6/389—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
    • G02B6/381—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 a kind of joints of fast insert-pull, are related to Optical Distribution Network field.The joint includes adapter and connector, and wherein one end of adaptor body has locking mechanism, which includes orientation limiting groove, steel ball, outer sleeve and inner sleeve；The orientation limit protrusion being adapted with orientation limiting groove is provided in the header body of connector, the outside of header body is equipped with plug housing, the front end of the plug housing has the ejector apparatus for pushing tow inner sleeve, the outer surface of header body is circumferentially provided with the annular groove coordinated with steel ball along it, when simultaneously clamping in inclined-plane press-in annular groove possessed by steel ball is adapted device outer sleeve, which can be with connector locking.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, solve thes problems, such as that the plug of existing fiber connection component is 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 lacked in actual use there is following It falls into：
1st, it is small to bear pulling-out force for existing standard style connector and adapter, can not meet 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 protected using modes such as hose clamp, fixtures, this nothing It doubts so that connection and plug inconvenient, while also increases use cost；
2nd, 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.
At present, on the market there is also the optical fiber connector and adapter that small part has water proofing property, but largely use Locking mode is screw-on, and screw-on locking mode plugs cumbersome, locking force since its own characteristic then exists and has The defects of limit.
Therefore, how to solve the problems, such as that the plug of existing fiber connection component is inconvenient, locking force is inadequate, Yi Jifang Water, it is dust-proof the problem of, be those skilled in the art's urgent problem to be solved.
Invention content
For defect 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 to bear pulling-out force small.
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, described Connector includes header body, and the outside of the header body is equipped with plug housing, and the front end of the plug housing is filled with ejection It puts；The outer surface of header body is provided with the groove being clamped for adapter matched with the connector.
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 adapter that the ejector apparatus is adapted to for ejection with the connector Inner sleeve.So that adapter generating state changes, to be connected with connector.
Based on the above technical solution, the ejector apparatus is is pushed away by what the header body outer surface extended to form Jacking block, alternatively,
The ejector apparatus be and the spaced ejecting sheet in header body surface.
Different ejector apparatus structures need to be adapted to different inner sleeves, and inner sleeve can be estimated suitable by being finally reached ejector apparatus The axis of orchestration moves upwards.
Based on the above technical solution, the header body includes：
Main part, the main part are equipped with a cavity；
Positioned at the insertion section of main part one end, the one end of the insertion section far from the main part is equipped with lock pin fixed part, Optical fiber ceramic lock pin is fixed on the lock pin fixed part, the groove is located at the outer surface of the insertion section.It will be attached Functional structure be arranged on insertion section rather than as being threaded in the prior art in plug housing periphery, reduce adapter Diameter.
Based on the above technical solution, the groove is located at the insertion section equipped with outside lock pin fixed part region Surface.
It is strong since lock pin fixed part has the wall thickness of bigger, and after optical fiber ceramic lock pin is packed into lock pin fixed part Bigger is spent, groove setting can be born to the radial load of bigger here, further improve the ability for bearing pulling-out force.
Based on the above technical solution, the plug housing is extended to form from the main part to the insertion section, And the ejector apparatus is the ejecting sheet that plug jacket end extends to form, and the ejecting sheet is set with the insertion section interval It puts.Since ejecting sheet and the insertion section are arranged at intervals so that top striking jack can support inner sleeve and put in the outer sleeve of adapter Between docking section, so that adapter clamping is on the connectors.
Based on the above technical solution, the groove is recessed along the circumferentially disposed ring shape of the header body Slot, 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, and the holding body of adapter otherwise can then be caused to be difficult to accurately The center of hemispherical groove is stuck in, 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, so as to improve the ability for bearing pulling-out force.
The present invention also provides a kind of connectors, are used for optical fiber connection, including：
Main part, the main part are equipped with a cavity；
The optical cable of the main part is mounted on, and the optical cable stretches into the cavity；
Positioned at the insertion section of main part one end, the one end of the insertion section far from the main part is inserted equipped with optical fiber ceramic Core, the insertion section are equipped with the groove for being used for adapter clamping matched with the connector, meanwhile,
The insertion section periphery is equipped with ejector apparatus, and the ejector apparatus is used for the adaptation that ejection is adapted to the connector The inner sleeve of device.
Since groove integral strength is more than screw thread, the pulling-out force of bigger can be born by carrying out clamping by groove, also, Ejector apparatus is equipped in insertion section periphery to connect and lock to trigger adapter.
Based on the above technical solution, the ejector apparatus be set on the insertion section outer surface ejection block or Person,
The ejector apparatus be and the spaced ejecting sheet in insertion section outer surface.
Based on the above technical solution, the groove is located at the outer of insertion section installation optical fiber ceramic lock pin region Surface.
The present invention also provides a kind of adapters, are used for optical fiber connection, including：
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, adaptor body are equipped with for the lock pin holding seat that accommodates optical fiber ceramic lock pin, and the docking section be equipped with it is described right Connect the container of road connection；
Holding body, the holding body activity are contained in the container；
The outer sleeve being actively sheathed on outside the docking section, the outer sleeve have first state and the second state, when When the outer sleeve is in first state, the outer sleeve supports the holding body, and make part holding body that can not retract stretch Enter to dock channel, be equipped with and supply when the outer sleeve is in the second state, between the opening of the outer sleeve and the container Holding body exits the bit space that allows of docking channel；
Actively be mounted on the inner sleeve of the docking section, the inner sleeve for its by towards after direction of insertion ejection by institute It states outer sleeve and is maintained at first state.
Since when outer sleeve is in first state, part holding body stretches into docking channel with can not retracting, and stretches into docking The part of channel is then used for and the fit depressions of connector, with connection and locking connector and adapter, and due to clamping Body is supported and cannot be exited, therefore it docks channel so that the connection of connector and adapter is very secured, can bear Very high pulling force.
Based on the above technical solution, the holding body is steel ball, and the container is cylindrical hole.And container bottom Portion is equipped with shelves stop, and the shelves stop is used to prevent the steel ball from dropping out the container completely.Steel ball is selected as holding body It is because steel ball intensity itself is high, and moves up and down in container and be not easy to be stuck.
Based on the above technical solution, the outer sleeve is equipped with the holding block protruded by inner wall, when the outer sleeve During in first state, the holding block is located at the container, and supports the holding body.By being set in outer sleeve lining The mode of holding block is put so that there is the space stepped down to holding body in other regions in addition to holding block, in addition in the first state Other when, holding body will not be supported and be maintained at first state, and holding body can be also completely returned in container.
Based on the above technical solution, the holding block has an inclined-plane close to lock pin holding seat side.When first When state switches to the second state, inclined-plane can guide holding body downwards, make the switching between first state and the second state It is more smoothly.
Based on the above technical solution, the docking section is included 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 outer sleeve is close to lock pin holding seat One end is set on the first segment, and when converting between the first state and a second state, the holding block is described second It is moved axially in section.The diameter difference of first segment and second segment is the space in order to form holding block movement, reduces the straight of outer sleeve Diameter, so as to reduce the diameter of entire adapter.
Based on the above technical solution, the rear end face of the inner sleeve is offseted respectively by outer spring and outer sleeve It holds, when outer sleeve is in first state, outer sleeve is held in first state by the inner sleeve by outer spring.
Outer spring is used for ejection outer sleeve after when thrust of the inner sleeve by ejector apparatus and moves forward, until holding body It is stuck on groove, outer sleeve is then held in place by outer spring at this time, and holding block is made to support holding body.
Based on the above technical solution, the inner spring axially set is equipped between the inner sleeve and docking section.If Put inner spring and be connector and adapter automatic spring during in order to enable to pull out outer sleeve backward manually.
Based on the above technical solution, the elastic force of the outer spring is more than the elastic force of inner spring.Make the bullet of outer spring The elastic force that power is more than inner spring enables in order to which inner spring is made to push connector open, without excessive elastic force, avoids connecting Device and adapter have excessive mutual thrust in connected state, reduce the stability of connection.
Based on the above technical solution, the inner sleeve is combined between the outer sleeve and docking section, and described It opposite two-by-two can be slided between inner sleeve, outer sleeve and docking section.
Based on the above technical solution, the face extremities of the outer sleeve and docking section towards inner sleeve are equipped with gear Circle.Baffle ring makes inner sleeve not release outer sleeve by inner spring and outer spring.
Based on the above technical solution, the holding body includes the elastic arm extended by the docking section, the bullet Property arm end be equipped with blocked block；Meanwhile
When the outer sleeve is in first state, the elastic arm is in and does not send elastic deformation state, the clamping Block is contained in completely in the container, and when the outer sleeve is in first state, the outer sleeve is supported on blocked block, And the docking channel is stretched into blocked block part.
The clamping mode of relative usage steel ball, the embodiment that elastic arm end is equipped with blocked block can fall back on the in outer sleeve During two-state, blocked block can automatically exit from docking channel.
The present invention also provides a kind of joints of fast insert-pull, including adapter and connector, the adapter Including：
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, 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 the adaptation In the middle part of device ontology, and the docking section is equipped with the container connected with the docking channel；
Holding body, the holding body activity are contained in the container；
The outer sleeve being actively sheathed on outside the docking section, the outer sleeve have first state and the second state, when When the outer sleeve is in first state, the outer sleeve supports the holding body, and make part holding body that can not retract stretch Enter to dock channel, be equipped with and supply when the outer sleeve is in the second state, between the opening of the outer sleeve and the container Holding body exits the bit space that allows of docking channel；
Actively it is mounted on the inner sleeve of the docking section, the inner sleeve is for it by towards will after direction of insertion ejection The outer sleeve is maintained at first state；
The connector includes：
Main part, the main part are equipped with a cavity；
The optical cable of the main part is mounted on, and the optical cable stretches into the cavity；
It is located at the insertion section of main part one end, the one end of the insertion section far from the main part is inserted equipped with optical fiber ceramic Core, the insertion section are equipped with the groove for being used for adapter clamping matched with the connector, meanwhile,
The insertion section periphery is equipped with ejector apparatus, and the ejector apparatus is adapted to suitable for ejection with the connector The inner sleeve of orchestration；Meanwhile
When the connector is inserted into the adapter, the ejector apparatus is held in inner sleeve, and the housing Cylinder is maintained at first state, and part holding body stretches into docking channel and is fastened in groove in which can not retract.
Using holding body snap lock used in existing standard connector is compared with the connection mode locking force of groove Tight device locking force bigger more suitable for outdoor complicated scene, can bear the pulling-out force of bigger.And what is needed when being inserted into inserts It is small to enter power, locking force is big during locking, during extraction, can smoothly extract connector, and it is small to extract dynamics, has the spy of operation readiness Point solve thes problems, such as that the plug of existing fiber connection component is inconvenient, locking force is inadequate.
The present invention also provides a kind of joints of fast insert-pull, including adapter and connector, the adapter Including the adaptor body that both ends can be docked with connector, the either end of adaptor body has locking mechanism, the locking Structure includes the orientation limiting groove for being opened in adaptor body madial wall, the steel ball for being embedded at adaptor body lateral wall, set Outside adaptor body and it is pressed on the outer sleeve of steel ball and the inner sleeve being set between adaptor body and outer sleeve； Wherein, the circumferential direction of orientation limiting groove along the adaptor body is uniformly distributed to be multiple, the rear end face difference of the inner sleeve It is offseted by outer spring, inner spring and outer sleeve, adaptor body, and the elastic force of outer spring is more than the elastic force of inner spring, institute The front end face for stating inner sleeve is supported respectively by outer sleeve, adaptor body；Between the outer sleeve, adaptor body and inner sleeve It opposite two-by-two can slide, and the madial wall of outer sleeve has an inclined-plane, for steel ball to be pressed into connector with locking connector；
The connector includes header body, and the outer surface of header body is provided with to be adapted with the orientation limiting groove Orientation limit protrusion；The outside of header body is equipped with plug housing, and the front end of the plug housing has for pushing tow inner sleeve Ejector apparatus；The outer surface of header body is circumferentially provided with a circle and the annular groove of steel ball cooperation along it, when steel ball is pressed When entering interior annular groove and clamping, the adapter and connector locking.
Based on the above technical solution, the header body of the connector and the contact surface of adaptor body are embedded with At least one O-ring seal.
Based on the above technical solution, the O-ring seal is set as two.
Based on the above technical solution, when the adapter is installed on installation interface, the adaptor body Sealing plain cushion is equipped with the contact surface of installation interface.
Based on the above technical solution, the O-ring seal, sealing plain cushion use rubber or silica gel material.
Based on the above technical solution, it when adapter is not docked with connector, is inserted in the adapter anti- Plug is protected, which has the ejector apparatus identical with structure in the connector, annular groove and O-ring seal.
Based on the above technical solution, when connector is not docked with adapter, in the plug sheet of the connector Extracorporeal set head protector, the plug housing of the head protector and the connector are connected through a screw thread.
Based on the above technical solution, the other end of the adaptor body also have locking mechanism, for institute State connector docking.
Based on the above technical solution, the other end of the adaptor body does not have locking mechanism, for showing Some standard style connector docking.
Based on the above technical solution, it is three that the circumferential direction of orientation limiting groove along the adaptor body, which is uniformly distributed, It is a.
The beneficial effects of the present invention are：
1st, locking principle of the invention is locked using the cooperation of steel ball and annular groove, and locking force is compared to existing Snap lock device locking force bigger used in standard connector, more suitable for outdoor complicated scene.And it is needed when being inserted into The insertion force wanted is small, and locking force is big during locking, can be smoothly by connector after when extraction is unlocked steel ball and annular groove It extracts, extraction dynamics is small, has the characteristics of operation readiness, efficiently solves existing fiber connection component and plugs inconvenient, lock The problem of clamp force degree is inadequate.
2nd, in the present invention, the header body of connector and the contact surface of adaptor body are embedded at least one O-shaped sealing Circle.The design of the O-ring seal to form an enclosed space between connector and adapter, ensure that connector The good dust-proof effect that discharges water can be reached after being docked with adapter, and then solve that existing fiber connection component is dust-proof, water proofing property Can be poor, the problem of being not useable for outdoor.
3rd, in the present invention, when adapter is not docked with connector, protection core plug can be inserted in adapter；Work as connector When not docked with adapter, head protector can be set with outside the header body of connector.The design of protection core plug and head protector, can be right Adapter, connector are adapted to without playing the protective effects such as good dust-proof, waterproof during docking so as to be effectively ensured The service life of device, connector.
4th, the present invention can according to different use demands, by joint be designed as " single-ended waterproof lock type " or " both-end waterproof lock type ", use scope is wide and economic and practical.
Description of the drawings
Fig. 1 is the structure diagram of adapter in the embodiment of the present invention；
Fig. 2 is sectional views of the Fig. 1 along A-A ＇ directions；
Fig. 3 is the structure diagram of connector in the embodiment of the present invention；
Fig. 4 is sectional views of the Fig. 3 along B-B ＇ directions；
Fig. 5 is schematic diagram of the adapter with connector state before docking；
Fig. 6 is that adapter is in the schematic diagram docked in insertion process with connector；
Fig. 7 is schematic diagram when connector prepares to extract from adapter；
Fig. 8 is schematic diagram when connector continues to extract after steel ball unlocks；
Fig. 9 is that connector adds O-ring seal, adapter adds the structure diagram for sealing plain cushion；
Figure 10 is the structure diagram that protection core plug is inserted in adapter；
Figure 11 is the structure diagram that head protector is set with outside the header body of connector；
Figure 12 is the structure diagram of the adapter of " single-ended waterproof lock type " in the embodiment of the present invention；
Figure 13 is the structure diagram of the adapter of " both-end waterproof lock type " in the embodiment of the present invention；
Figure 14 is a kind of schematic diagram of the specific embodiment of connector；
Figure 15 be Figure 14 in connector docked with adapter after schematic diagram；
Figure 16 is a kind of schematic diagram of the specific embodiment of head protector；
Figure 17 is the schematic diagram that head protector is set in connector in Figure 14 in Figure 16；
Figure 18 is a kind of schematic diagram of the specific embodiment of protection core plug；
Figure 19 is the schematic diagram that protection core plug is plugged in adapter in Figure 18；
Figure 20 is a kind of schematic diagram of the specific embodiment of holding body.
Reference numeral：
1- adapters, 101- adaptor bodies, 101a- docking channels, 101b- containers, 101c- allow bit space, 102- Porcelain bushing, 103- orientation limiting grooves, 104- steel balls, 105- outer sleeves, 105a- holding blocks, 106- inner sleeves, the outer bullets of 107- Spring, 108- inner springs, the outer baffle rings of 109-, 110- inner shield rings, 111- inclined-planes, 112- sealing plain cushions；
2- connectors, 201- header bodies, 201a- main parts, 201b- cavitys, 201c- insertion sections, 201d- lock pins are fixed Portion, 202- optical fiber, 203- optical fiber ceramic lock pins, 204- orientation limit protrusions, 205- plug housings, 206- ejector apparatus, 207- Annular groove, 208-O type sealing rings, 209- plug middle pipes, 210- plug tail pipes, 211- aluminum pipes, the O-shaped sealing of 212- inner waterproofings Circle, 213- aluminium cups, 214- optical cable tail sheaths, 215- optical cables, 216- heat-shrink tubes, 217- ceramic insertion core buffer springs；
3- protection core plugs；4- head protectors, 40- docking sections, 42- lock pin holding seats, 43- elastic arms, 44- blocked blocks.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail the present invention.
Embodiment 1：
Fig. 1 to Figure 19 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 include header body 201, and header body 201 is used to carry optical cable 215 and for hand-held.The outside of header body 201 is equipped with Plug housing 205, the front end of the plug housing 205 have ejector apparatus 206；The outer surface of header body 201, which is provided with, to be used for The groove of adapter clamping matched with connector.Groove can be annular groove 207.Relative in the prior art use screw thread Connection mode, the pulling-out force of bigger can be born using groove as connection structure, and do not need to rotate, can directly inserted Enter, it is easy to operate.And due to not having to rotate, the space operated for hand needed is small, and it is close on panel can to improve connector Degree.
Embodiment 2：
Please also refer to Fig. 1 to Figure 19, as an optional embodiment, the present embodiment and embodiment 1 difference lies in： Ejector apparatus 206 is used for the inner sleeve 106 of adapter 1 that ejection is adapted to connector 2.So that 1 generating state of adapter changes, To be connected with connector.Certainly, ejector apparatus 206 can also ejection adapter 1 other similar structures, as long as adapter can be made 1 generating state changes, and the effect of reach connection.
Embodiment 3：
Please also refer to Fig. 1 to Figure 19, as an optional embodiment, the present embodiment and embodiment 1 difference lies in： Ejector apparatus 206 is the ejection block extended to form by 201 outer surface of header body.If ejector apparatus 206 uses this structure, with The protrusion that 206 matched inner sleeve 106 of ejector apparatus can then set a protrusion outer sleeve 205 is not shown, so that ejector apparatus 206 can push inner sleeve 106 and be moved axially with respect to outer sleeve 205.
Embodiment 4：
Please also refer to Fig. 1 to Figure 19, as an optional embodiment, the present embodiment and embodiment 1 difference lies in： Ejector apparatus 206 be and the spaced ejecting sheet in 201 surface of header body.Select ejecting sheet that can be directly protruding into outer sleeve 205 It is interior, so that ejector apparatus 206 can push inner sleeve 106 and opposite outer sleeve 205 moves axially.
In short, different 206 structures of ejector apparatus need to be adapted to different inner sleeves 106, it is finally reached 206 energy of ejector apparatus Inner sleeve 106 is estimated to move axially with respect to outer sleeve 205.
Embodiment 5：
Please also refer to Fig. 1 to Figure 19, specifically, the present embodiment and embodiment 1 difference lies in：Header body 201 is wrapped It includes：
Main part 201a, the main part 201a are equipped with a cavity 201b, and cavity 201b is used to connect optical cable 215；
The one end of insertion section 201c positioned at main part 201a one end, the insertion section 201c far from the main part 201a Equipped with lock pin fixed part 201d, optical fiber ceramic lock pin 203 is fixed on the lock pin fixed part 201d, the groove is located at described The outer surface of insertion section 201c.By groove, this functional structure being attached is arranged on the 201c of insertion section rather than as now Have in technology and be threaded in plug-peripheral, adaptor diameter can be reduced.
Further, the groove is located at the insertion section 201c equipped with lock pin fixed part 201d regions outer surface.
Since lock pin fixed part 201d has the wall thickness of bigger, and lock pin fixed part is packed into optical fiber ceramic lock pin 203 Afterwards, intensity bigger.In 2 under tension of connector after connector 2 is received and is connected on adapter 1, groove can be pressed radially Power, groove set the radial load that can bear bigger here, further improve the ability for bearing pulling-out force.
Specifically, plug housing 205 is extended to form from main part 201a to the insertion section 201c, and the ejector apparatus 206 ejecting sheets extended to form for 205 end of plug housing, and the ejecting sheet is arranged at intervals with the insertion section 201c.By It is arranged at intervals in ejecting sheet and the insertion section 201c so that top striking jack can support inner sleeve 106 and put in the housing of adapter Between cylinder 105 and docking section 40, so that adapter clamping is on the connectors.
Optionally, groove is along the circumferentially disposed ring annular groove 207 of the header body 201；Alternatively, groove is half Bulbous recess.
It is had their own advantages using annular groove 207 or hemispherical groove, annular groove 207 is due to being not required to very strict deflection Theta alignment, 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 The center of hemispherical groove is accurately stuck in, still, since hemispherical groove often can be with the shape of holding body more Matching, causes it that can provide better clamping effect, so as to improve the ability for bearing pulling-out force.In the present embodiment, in order to Facilitate processing, and due to can bear very high pulling-out force using annular groove 207, in the embodiment of the present invention In, preferably select annular groove 207.
Embodiment 6：
Fig. 1 to Figure 19 is please also refer to, the present invention also provides a kind of connectors, are used for optical fiber connection, including：
Main part 201a, the main part 201a are equipped with a cavity 201b；
The optical cable 215 of the main part 201a is mounted on, and the optical cable 215 stretches into the cavity 201b；
The one end of insertion section 201c positioned at main part 201a one end, the insertion section 201c far from the main part 201a Equipped with optical fiber ceramic lock pin 203.Insertion section 201c is equipped with the groove for being used for adapter clamping matched with the connector, together When,
The insertion section 201c peripheries are equipped with ejector apparatus 206, and ejector apparatus 206 is adapted to suitable for ejection with connector The inner sleeve 106 of orchestration.
Since groove integral strength is more than screw thread, the pulling-out force of bigger can be born by carrying out clamping by groove, also, Ejector apparatus 206 is equipped in insertion section 201c peripheries to connect and lock to trigger adapter 1.Due to not needing to rotate, Ke Yizhi It patches into easy to operate.And due to not having to rotate, the space operated for hand needed is small, can improve connector 2 on panel Density.
Further, ejector apparatus 206 is the ejection block set on insertion section 201c outer surfaces.If ejector apparatus 206 uses This structure, then the protrusion that a protrusion outer sleeve 205 can be then set with 206 matched inner sleeve 106 of ejector apparatus is not shown, so that Inner sleeve 106 can be pushed and be moved axially with respect to outer sleeve 205 by obtaining ejector apparatus 206.
Optionally, ejector apparatus 206 is and the spaced ejecting sheet in insertion section 201c outer surfaces.Due to ejecting sheet It is arranged at intervals with the insertion section 201c so that top striking jack can support inner sleeve 106 and put in the outer sleeve 105 of adapter and right Between socket part 40, so that adapter clamping is on the connectors.
Further, groove is located at the outer surface in 203 region of insertion section 201c installation optical fiber ceramic lock pins.Due to inserting Core fixed part 201d has the wall thickness of bigger, and after optical fiber ceramic lock pin 203 is packed into lock pin fixed part, intensity bigger. In 2 under tension of connector after connector 2 is received and is connected on adapter 1, groove can be arranged on by radial pressure, groove The radial load of bigger can be born herein, further improve the ability for bearing pulling-out force.
Embodiment 7：
- 19 are please referred to Fig.1, the present invention also provides a kind of adapters 1, are used for optical fiber connection, including：
Adaptor body 101, docking section 40 of the adaptor body 101 at least one end for tubular, the docking section 40 Equipped with docking channel 101a, adaptor body 101 is equipped with the lock pin holding seat 42 for accommodating optical fiber ceramic lock pin 203, described Lock pin holding seat 42 is located at 101 middle part of adaptor body, and the docking section 40 is equipped with and docks channel 101a with described The container 101b of connection；
Holding body, the holding body activity are contained in the container 101b；
The outer sleeve 105 being actively sheathed on outside the docking section 40, the outer sleeve 105 have first state and second State, when the outer sleeve 105 is in first state, the outer sleeve 105 supports the holding body, and makes part holding body Stretch into can not retracting docking channel 101a, when the outer sleeve 105 is in the second state, the outer sleeve 105 with it is described It is equipped between the opening of container 101b and allows bit space 101c for what holding body exited docking channel 101a；
The inner sleeve 106 of the docking section 40 is actively mounted on, the inner sleeve 106 is pushed away for it towards direction of insertion The outer sleeve 105 is maintained at first state behind top.
Since when outer sleeve 105 is in first state, part holding body stretches into docking channel 101a in which can not retract, and stretches Enter to dock the part of channel 101a to be then used for and the fit depressions of connector 2, with connection and locking connector 2 and adapter 1, And it cannot be exited since holding body is supported, docking channel 101a so that the company of connector 2 and adapter 1 It connects very securely, very high pulling force can be born.
Embodiment 8：
Specifically, please referring to Fig.1-19, compared with Example 7, specifically, holding body is steel ball 104, container 101b is Cylindrical hole.Container 101b bottoms are equipped with shelves stop, and shelves stop is used to prevent steel ball 104 from dropping out container 101b completely.Specifically , shelves stop is the funnel structure of container 101b bottoms, though it is foreseeable that also there are various other block modes, such as The modes such as salient point are set in container 101b bottom interior walls.It is high because of steel ball intensity itself that steel ball 104, which is selected, as holding body, and And it moves up and down in container 101b and is not easy to be stuck.There is the stopping structure inside contracted of arc container 101b bottoms, It is used to prevent holding body from dropping out container 101b.
Further, outer sleeve 105 is equipped with the holding block 105a protruded by inner wall, when outer sleeve 105 is moved to the first shape During state, holding block 105a is located at container 101b, and supports holding body.In a manner that in outer sleeve lining, holding block is set So that there is the space stepped down to holding body in other regions in addition to holding block, when in addition in the first state other, clamping Body will not be supported and be maintained at first state, and holding body can be also completely returned in container 101b.
Based on the above technical solution, the holding block 105a has an inclined-plane close to 42 side of lock pin holding seat 111.When first state switches to the second state, inclined-plane 111 can guide holding body downwards, make first state and the second shape Switching between state is more smoothly.
Further, docking section 40 include close to lock pin holding seat 42 first segment and further extended by first segment the Two sections, and first segment radius is more than second segment, outer sleeve 105 is set in the first segment close to one end of lock pin holding seat 42 On, when converting between the first state and a second state, holding block 105a is moved axially on second segment.First segment and second The diameter difference of section is the space in order to form holding block 105a movements, the diameter of outer sleeve 105 is reduced, so as to reduce entire adaptation The diameter of device 1.
Further, the rear end face of inner sleeve 106 is offseted respectively by outer spring 107 and outer sleeve 105, works as outer sleeve 105 be in first state when, outer sleeve 105 is held in first state by inner sleeve 106 by outer spring 107.It is contemplated that , outer spring 107 can also substitute by other elastic elements, such as elastomer, magnet to repel each other etc..In the present embodiment In, it is preferable to use spring.
Outer spring 107 is used for after when thrust of the inner sleeve 106 by ejector apparatus 206 ejection outer sleeve 105 to Forward Dynamic, until holding body is stuck on groove, outer sleeve 105 is then held in place by outer spring 107 at this time, i.e., outer spring 107 then will Outer sleeve 105 is maintained at first state, and holding block 105a is made to support holding body, avoid connector 2 after by pulling force holding body retract, Connector 2 and adapter 1 is caused to be detached in the state of it need to connect.
Embodiment 9：
- Figure 19 is please referred to Fig.1, as an optional embodiment, is equipped between inner sleeve 106 and docking section 40 axial The inner spring 108 of setting.It is to allow inner sleeve 106 and outer sleeve 105 can be in connector and adapter to set inner spring 108 It is sprung back backward by whole after disconnecting.
Further, the elastic force of outer spring 107 is more than the elastic force of inner spring 108.The elastic force of outer spring 107 is made to be more than interior bullet The elastic force of spring 108.
Specifically, inner sleeve 106 is combined between outer sleeve 105 and docking section 40, and inner sleeve 106, outer sleeve It opposite two-by-two can be slided between 105 and docking section 40.Adapter 1 is switched between the first state and a second state.
Further, the face extremities of outer sleeve 105 and docking section 40 towards inner sleeve 106 are equipped with baffle ring.In baffle ring makes Sleeve 106 will not release outer sleeve 105 by inner spring 108 and outer spring 107.
Embodiment 10：
0 is please referred to Fig.2, as an optional embodiment.Holding body includes the elastic arm 43 extended by docking section 40, bullet Property 43 end of arm be equipped with blocked block 44；When outer sleeve 105 is in first state, elastic arm 43 is in and does not send elastic deformation shape State, blocked block 44 are contained in completely in container 101b, and when outer sleeve 105 is in first state, the outer sleeve 105 supports On blocked block 44, and docking channel 101a is stretched into 44 part of blocked block.
The clamping mode of relative usage steel ball, the embodiment that 43 end of elastic arm is equipped with blocked block 44 can be in outer sleeve 105 when falling back on the second state, and blocked block 44 can automatically exit from docking channel 101a.But since elastic arm 43 is to outer sleeve 105 Friction so that conversion between the first state and a second state needs the active force of bigger.
Embodiment 11：
The present invention also provides a kind of joints of fast insert-pull, including adapter 1 and connector 2, the adaptation Device 1 includes adaptor body 101, holding body, outer sleeve 105 and inner sleeve 106.
At least one end of adaptor body 101 is the docking section 40 of tubular, and the docking section 40 is equipped with docking channel 101a, fits Orchestration ontology 101 is equipped with the lock pin holding seat 42 for accommodating optical fiber ceramic lock pin 203, and the lock pin holding seat 42 is located at described 101 middle part of adaptor body, and the docking section 40 is equipped with the container 101b connected with the docking channel 101a；
Holding body activity is contained in the container 101b；
Outer sleeve 105 is actively sheathed on outside docking section 40, and outer sleeve 105 has first state and the second state, when outer When sleeve 105 is in first state, outer sleeve 105 supports holding body, and make part holding body that can not retract stretch into connect Road 101a when the outer sleeve 105 is in the second state, is equipped between the opening of outer sleeve 105 and container 101b for card That holds that body exits docking channel 101a allows bit space 101c；
The inner sleeve 106 of the docking section 40 is actively mounted on, the inner sleeve 106 is pushed away for it towards direction of insertion The outer sleeve 105 is maintained at first state behind top；
Connector 2 includes：
Main part 201a, the main part 201a are equipped with a cavity 201b；
The optical cable 215 of the main part 201a is mounted on, and the optical cable 215 stretches into cavity 201b；
The one end of insertion section 201c positioned at main part 201a one end, the insertion section 201c far from the main part 201a Equipped with optical fiber ceramic lock pin 203, the insertion section 201c, which is equipped with, is used for the recessed of adapter clamping matched with the connector Slot, meanwhile,
The insertion section 201c peripheries are equipped with ejector apparatus 206, and the ejector apparatus 206 is for ejection and the connection The inner sleeve 106 of the adapter of device adaptation；Meanwhile
When the connector 2 is inserted into the adapter 1, the ejector apparatus 206 is held in inner sleeve 106, and described The outer sleeve 105 is maintained at first state, and part holding body stretches into docking channel 101a and is fastened in groove in which can not retract.
Using holding body snap lock used in existing standard connector is compared with the connection mode locking force of groove Tight device locking force bigger more suitable for outdoor complicated scene, can bear the pulling-out force of bigger.And what is needed when being inserted into inserts It is small to enter power, locking force is big during locking, during extraction, can smoothly extract connector, and it is small to extract dynamics, has the spy of operation readiness Point solve thes problems, such as that the plug of existing fiber connection component is inconvenient, locking force is inadequate.
Embodiment 12：Referring to shown in Fig. 1 to Fig. 8, the embodiment of the present invention provides a kind of joint of fast insert-pull, Including adapter 1 and connector 2.Wherein, shown in Figure 1, the adapter 1 includes what both ends can be docked with connector 2 Adaptor body 101 encompasses in adaptor body 101 and docks required ceramic jacket with the optical fiber ceramic lock pin of connector 2 203 Pipe 102, the either end of adaptor body 101 have locking mechanism, which includes being opened in adaptor body 101 The orientation limiting groove 103 of side wall is as shown in Figure 2, is embedded at the 104 preferred stainless steel steel of steel ball of 101 lateral wall of adaptor body Pearl, be sheathed on adaptor body 101 it is outer and be pressed on the outer sleeve 105 of steel ball 104 and be set to adaptor body 101 with it is outer Inner sleeve 106 between sleeve 105；It is multiple that the circumferential direction of orientation limiting groove 103 along the adaptor body 101, which is uniformly distributed, In the present embodiment, it is three to be uniformly distributed, and specific number can voluntarily be set according to actual conditions, be docked for alignment connector 2 When rotation direction, ensure with the end face of the optical fiber ceramic lock pin 203 of connector 2 it is accurate dock and to connector 2 to picking up guiding Effect；The rear end face of the inner sleeve 106 passes through outer spring 107, inner spring 108 and outer sleeve 105, adaptor body respectively 101 offset, and the elastic force of outer spring 107 is more than the elastic force of inner spring 108, and the front end face of the inner sleeve 106 passes through respectively Outer baffle ring 109, inner shield ring 110 are supported by outer sleeve 105, adaptor body 101, for ensureing inner sleeve 106 in two springs Under the action of will not be popped up relative to outer sleeve 105 and adaptor body 101；And the outer sleeve 105, adaptor body It can be slided, and the madial wall of the outer sleeve 105 has along 2 direction of insertion of connector is opposite two-by-two between 101 and inner sleeve 106 Steel ball 104 is pressed into connector 2 with locking connector 2 by one inclined-plane 111 after being slided for outer sleeve 105 by inclined-plane 111.
Shown in Figure 3, the connector 2 includes header body 201, and the inner containment of header body 201 has optical fiber 202, the front end of optical fiber 202 is connected with optical fiber ceramic lock pin 203, and the front end face of optical fiber ceramic lock pin 203 exposes header body 201 Outside.Wherein, as shown in figure 4, the outer surface of header body 201 is provided with is fitted with 103 phase of orientation limiting groove of the adapter 1 Its specific distributing position of the orientation limit protrusion 204 matched and number are adapted with orientation limiting groove, during for docking with Orientation limiting groove 103 coordinates, and plays guiding role, ensures rotation direction when connector 2 docks；The outside of header body 201 is set Have plug housing 205, the front end of the plug housing 205 has the ejector apparatus 206 of protrusion, during for docking with the adapter 1 inner sleeve 106 matches, and inner sleeve 106 is pushed to be slided relative to adaptor body 101 along direction of insertion；Header body 201 Outer surface be circumferentially provided with a ring annular groove 207 along it, for docking when coordinates with steel ball 104, plays clamping locking Effect.When adapter 1 is docked with connector 2, the ejector apparatus 206 of connector 2 pushes the inner sleeve 106 of adapter 1 opposite It is slided in adaptor body 101 along direction of insertion, meanwhile, outer sleeve 105 is also inserted under the action of outer spring 107 along connector 2 Enter direction slip, the annular that steel ball 104 is pressed into connector 2 by the inclined-plane 111 of its madial wall by the outer sleeve 105 after slip is recessed Simultaneously clamping in slot 207, so as to achieve the purpose that locking connector 2.
Specifically, it is shown in Figure 5, when adapter 1 is with the state before docking of connector 2, the outer bullet of adapter 1 Spring 107 and inner spring 108 are in what is had in itself after the uncompressed assembling not comprising spring that this place of unpressed state refers to Pre-compressed state is just opposite long in pre-compressed state with original after general spring installation；The outer sleeve 105 of adapter 1 is in not The state of steel ball 104 is compressed, activity in the gap that steel ball 104 can be between outer sleeve 105 and adaptor body 101 at this time is protected The annular groove 207 of connector 2 is demonstrate,proved before precalculated position is not reached, steel ball 104 will not cause shadow to the insertion of connector 2 It rings.
Shown in Figure 6, when adapter 1 is in connector 2 to be docked in insertion process, what connector 2 protruded above pushes away Ejection device 206 pushes the inner sleeve 106 of adapter 1 to be slided towards the direction that connector 2 is inserted into, and because of the elastic force of outer spring 107 More than the elastic force of inner spring 108, so inner spring 108 is preferentially compressed in the slip of inner sleeve 106, and pushed by outer spring 107 It is slided in the direction that outer sleeve 105 is also inserted into towards connector 2.When connector 2 is in precalculated position, outer sleeve 105 is also firm Benefit in the impaction state to steel ball 104, at this point, outer sleeve 105 after sliding by the inclined-plane 111 of its madial wall by steel ball In the annular groove 207 of 104 press-in connectors 2 and clamping, steel ball 104 are matched with the annular groove 207 of connector 2 so that Can not be movable between adapter 1 and connector 2, so as to complete 2 locking operation of connector.
It is shown in Figure 7, when connector 2 prepares to extract from adapter 1, first with hand by the outer sleeve of adapter 1 105 to connector 2 extract when direction slide so that steel ball 104 be in can be between outer sleeve 105 and adaptor body 101 Gap in up and down state, the purpose is to achieve the purpose that unlock the annular groove 207 of steel ball 104 and connector 2.Such as Shown in Fig. 8, when steel ball 104 is in the unlocked state, by connector 2 continue to extraction direction movement, at this point, steel ball 104 from Deviate from the annular groove 207 of connector 2, without locking function, can smoothly extract connector 2 from adapter 1.
By aforesaid operations, it can easy, quickly complete adapter 1 and the plug of connector 2 operates, and locking force can It leans on, solve thes problems, such as that the plug of existing fiber connection component is inconvenient, locking force is inadequate.
It is poor in order to solve the dustproof and waterproof performance of existing standard style connector 2 and adapter 1 on above-mentioned basis The problem of, shown in Figure 9, the header body 201 of the connector 2 is embedded at least with the contact surface of adaptor body 101 One O-ring seal 208, the design of the O-ring seal 208 cause between connector 2 and adapter 1 specifically, are in Fig. 9 O-ring seal forms an enclosed space with left region, ensure that connector 2 can reach after being docked with adapter 1 The good dust-proof effect that discharges water；In addition, when adapter 1 is installed on installation interface, the adaptor body 101 and installation circle The contact surface in face is equipped with sealing plain cushion 112, and the design of the sealing plain cushion 112 causes also have between adapter 1 and installation interface The good dust-proof effect that discharges water.In the present embodiment, the O-ring seal 208, sealing plain cushion 112 use rubber or silica gel material Matter.Also, O-ring seal 208 is set as two, forms double O-ring seals 208 and designs.
Further, it is to be understood that in practical applications, as shown in Figure 10, when adapter 1 is right not with connector 2 When connecing, protection core plug 3 can be inserted in the adapter 1, which has identical with structure in the connector 2 Ejector apparatus 206, annular groove 207 and O-ring seal 208.Also, it is to be understood that in practical applications, such as Figure 11 institutes Show, when connector 2 is not docked with adapter 1, head protector 4 can be set with outside the header body 201 of the connector 2, this is anti- Helmet 4 and the plug housing 205 of the connector 2 are connected through a screw thread.
Further, it is to be understood that in practical applications, can be designed joint according to use demand For " single-ended waterproof lock type " or " both-end waterproof lock type ".As shown in figure 12, " single-ended waterproof lock type " is that is, adaptor body 101 one end has locking mechanism, and for being docked with the above-mentioned connector 2 with dustproof and waterproof, locking function, the other end does not have There is locking mechanism, for being docked with existing standard style connector 2.As shown in figure 13, " both-end waterproof lock type " is that is, adapter The both ends of ontology 101 are respectively provided with locking mechanism, are used to dock with the above-mentioned connector 2 with dustproof and waterproof, locking function.
Further it will be understood that the adapter sheet of current industry standard can be selected in the adaptor body 101 of the present invention Body 101, including SCSquare Connector, rectangular optical fiber connector type, FCFerrule Connector, bushing type connection Type, simply connected LCLucent Connector, Lucent connector type, duplex LC types, E2000 types etc..And it is inserted according to optical fiber ceramic The end surface grinding mode of core 203 is different, and connector 2 can be divided into UPC types endface of ferrule and be inserted for ultra physical end face and APC types again Needle body end face is angle physics end face, therefore, adapts to the adaptor body 101 of industry standard, connector 2 of the invention is again SC-APC/UPC types, FC-APC/UPC types, simply connected LC-APC/UPC types, duplex LC-APC/UPC types, E2000-APC/ can be divided into UPC types etc..
In order to better understand the present invention, above-mentioned joint is made below by several specific embodiments further It is described in detail.
It is shown in Figure 14, show a kind of embodiment of connector 2, according to the end face of optical fiber ceramic lock pin 203 Lapping mode difference can be divided into UPC types and APC types, which specifically includes：
O-ring seal 208, the O-ring seal 208 are embedded at header body 201 and using silica gel materials, and according to waterproof The O-ring seal 208 for needing to be provided with two circles of degree；
Optical fiber ceramic lock pin 203 can be divided into UPC and APC according to the lapping mode of its end face；
Ceramic insertion core buffer spring 217, for when connector 2 is docked with adapter 1, being risen to optical fiber ceramic lock pin 203 To buffer protection function；
Header body 201 has following characteristics in the header body 201：208 mounting groove of O-ring seal, annular groove 207th, limit protrusion 204 is oriented；
Plug housing 205 for protecting the optical fiber cable after stripping, has pushing away for protrusion in the front end of plug housing 205 Ejection device 206 pushes the inner sleeve 106 on adapter 1 during for being inserted into adapter 1；
Plug middle pipe 209, for protecting the optical fiber cable after stripping；
Plug tail pipe 210 for protecting the optical fiber cable after stripping, while coordinates with aluminium cup 213 to fix optical cable 215 Crust；
Optical fiber 202, for optical fiber exposed after 215 stripping of optical cable；
Aluminum pipe 211, for coordinating with aluminium cup 213, to fix the sand of the aramid fiber in optical cable 215 or tension wire；
Inner waterproofing O-ring seal 212, the water for preventing 2 tail end of connector enter plug middle pipe 209 and plug tail pipe In 210, ensure the waterproof effect inside connector 2；
Aluminium cup 213 for coordinating with plug tail pipe 210, aluminum pipe 211, fixes 215 crust of optical cable and aramid fiber is husky or anti-respectively Drawing metal；
Optical cable tail sheath 214, buffering when being bent for optical cable 215, avoid being bent it is excessive optical fiber is caused to damage, can be with soft Matter plastics or metal spring are made；
Optical cable 215；
Heat-shrink tube 216, the gap after being fixed for optical cable between optical cable and part are sealed, barrier propterty energy Reach the highest level that IP68IP68 is connector waterproofing grade standard.
It is shown in Figure 15, show above-mentioned connector 2 docked with adapter 1 after embodiment.As shown in the drawing, After connector 2 is docked with adapter 1, the outer sleeve 105 of adapter 1 is by the inclined-plane 111 of its madial wall by 104 company of press-in of steel ball Connect in the annular groove 207 of device 2 and clamping, steel ball 104 matched with the annular groove 207 of connector 2 so that adapter 1 and Can not be movable between connector 2, so as to achieve the effect that clamping is locked, and locking force is reliable.
It is shown in Figure 16, show a kind of embodiment of head protector 4, the left end of the head protector 4 sets that there are one rings Shape structure, for the fixation of the traction rope or other drafting tools of optical fiber cable in the duct.It is shown in Figure 17, displaying It is the embodiment that above-mentioned head protector 4 is set in above-mentioned connector 2, as shown in the drawing, above-mentioned head protector 4 and above-mentioned connector 2 Plug housing 205 is connected through a screw thread, and increases screw thread glue on screw thread, ensures the secured and waterproof after connection.
It is shown in Figure 18, show a kind of embodiment of protection core plug 3.As shown in the drawing, which has There are the ejector apparatus 206 identical with structure in above-mentioned connector 2, annular groove 207 and O-ring seal 208.Referring to Figure 19 institutes Show, show that above-mentioned protection core plug 3 is plugged in the embodiment in adapter 1, as shown in the drawing, above-mentioned protection core plug 3 is inserted After entering adapter 1, the ejector apparatus 206 of protection core plug 3 pushes the inner sleeve 106 of adapter 1, so that adapter 1 is outer Sleeve 105 is slided to direction of insertion, and steel ball 104 is pressed into the annular of above-mentioned protection core plug 3 by the inclined-plane 111 for passing through its madial wall In groove 207 and clamping, steel ball 104 are matched with the annular groove 207 of protection core plug 3 so that adapter 1 and protection core plug 3 Between can not activity, so as to achieve the effect that clamping is locked, and locking force is reliable.
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 (25)

1. a kind of connector is used for optical fiber connection, which is characterized in that the connector includes header body (201), described to insert The outside of head ontology (201) is equipped with plug housing (205), and the front end of the plug housing (205) has ejector apparatus (206)；It inserts The outer surface of head ontology (201) is provided with the groove being clamped for adapter matched with the connector.
2. a kind of connector as described in claim 1, which is characterized in that the ejector apparatus (206) for ejection with it is described The inner sleeve (106) of the adapter of connector adaptation.
3. a kind of connector as described in claim 1, it is characterised in that：
The ejector apparatus (206) is the ejection block extended to form by the header body (201) outer surface, alternatively,
The ejector apparatus (206) be and the spaced ejecting sheet in the header body (201) surface.
4. a kind of connector as described in claim 1, which is characterized in that the header body (201) includes：
Main part (201a), the main part (201a) is equipped with a cavity (201b)；
Positioned at the insertion section (201c) of main part (201a) one end, the separate main part (201a) of the insertion section (201c) One end is equipped with lock pin fixed part (201d), and optical fiber ceramic lock pin (203) is fixed on the lock pin fixed part (201d), described recessed Slot is located at the outer surface of the insertion section (201c).
5. a kind of connector as claimed in claim 4, it is characterised in that：The groove is located at the lock pin fixed part (201d) Region outer surface.
6. a kind of connector as claimed in claim 4, which is characterized in that the plug housing (205) is by the main part (201a) is extended to form to the insertion section (201c), and the ejector apparatus (206) extends shape for plug housing (205) end Into ejecting sheet, and the ejecting sheet and the insertion section (201c) are arranged at intervals.
7. a kind of connector as described in claim 1, it is characterised in that：
The groove be along the circumferentially disposed ring annular groove of the header body (201), alternatively,
The groove is hemispherical groove.
8. a kind of connector is used for optical fiber connection, which is characterized in that it includes：
Main part (201a), the main part (201a) is equipped with a cavity (201b)；
The optical cable (215) of the main part (201a) is mounted on, and the optical cable (215) stretches into the cavity (201b)；
Positioned at the insertion section (201c) of main part (201a) one end, the separate main part (201a) of the insertion section (201c) One end is equipped with optical fiber ceramic lock pin (203), and the insertion section (201c), which is equipped with, to be used for and the matched adapter of the connector The groove of clamping, meanwhile,
Insertion section (201c) periphery is equipped with ejector apparatus (206), and the ejector apparatus (206) is for ejection and the connection The inner sleeve (106) of the adapter of device adaptation.
9. a kind of connector as claimed in claim 8, it is characterised in that：
The ejector apparatus (206) is the ejection block set on the insertion section (201c) outer surface, alternatively,
The ejector apparatus (206) be and the spaced ejecting sheet in the insertion section (201c) outer surface.
10. a kind of connector as claimed in claim 8, it is characterised in that：The groove is located at the insertion section (201c) peace Fill the outer surface in optical fiber ceramic lock pin (203) region.
11. a kind of adapter is used for optical fiber connection, which is characterized in that it includes：
Adaptor body (101), docking section (40) of the adaptor body (101) at least one end for tubular, the docking section (40) equipped with docking channel (101a), adaptor body (101) equipped with for accommodate the lock pin of optical fiber ceramic lock pin (203) receiving Seat (42), and the docking section (40) are equipped with the container (101b) connected with the docking channel (101a)；
Holding body, the holding body activity are contained in the container (101b)；
Actively it is sheathed on the outer sleeve (105) of the docking section (40) outside, the outer sleeve (105) has first state and the Two-state, when the outer sleeve (105) is in first state, the outer sleeve (105) supports the holding body, and make part Holding body stretches into docking channel (101a), when the outer sleeve (105) is in the second state, the outer sleeve in which can not retract (105) it is equipped between the opening of the container (101b) and exits the bit space that allows for docking channel (101a) for holding body (101c)；
Actively it is mounted on the inner sleeve (106) of the docking section (40), the inner sleeve (106) is for it by towards direction of insertion The outer sleeve (105) is maintained at first state after ejection.
12. a kind of adapter as claimed in claim 11, it is characterised in that：The holding body be steel ball (104), the receiving Slot (101b) is cylindrical hole, and the container (101b) bottom is equipped with shelves stop, and the shelves stop is used to prevent the steel ball (104) container (101b) is dropped out completely.
13. a kind of adapter as claimed in claim 11, it is characterised in that：The outer sleeve (105) by inner wall equipped with being protruded Holding block (105a), when the outer sleeve (105) is in first state, the holding block (105a) is positioned at the container At (101b), and support the holding body.
14. a kind of adapter as claimed in claim 13, it is characterised in that：The holding block (105a) is close to lock pin holding seat (42) side has an inclined-plane (111).
15. a kind of adapter as claimed in claim 13, it is characterised in that：The docking section (40) close to lock pin including accommodating The first segment of seat (42) and the second segment further extended by the first segment, and the first segment radius is more than second segment, institute It states outer sleeve (105) to be set on the first segment close to one end of lock pin holding seat (42), when in first state and the second shape When being converted between state, the holding block (105a) moves axially on the second segment.
16. a kind of adapter as claimed in claim 11, it is characterised in that：The rear end face of the inner sleeve (106) leads to respectively The outer spring (107) axially set is crossed to offset with outer sleeve (105), it is described when outer sleeve (105) is in first state Outer sleeve (105) is held in first state by inner sleeve (106) by outer spring (107).
17. a kind of adapter as claimed in claim 16, it is characterised in that：The inner sleeve (106) and docking section (40) it Between be equipped with the inner spring (108) that axially sets.
18. a kind of adapter as claimed in claim 17, it is characterised in that：The elastic force of the outer spring (107) is more than interior bullet The elastic force of spring (108).
19. a kind of adapter as claimed in claim 11, it is characterised in that：The inner sleeve (106) is combined in the housing Between cylinder (105) and docking section (40), and can two two-phases between the inner sleeve (106), outer sleeve (105) and docking section (40) To sliding.
20. a kind of adapter as claimed in claim 17, it is characterised in that：The outer sleeve (105) and docking section (40) court Baffle ring is equipped with to the face extremities of inner sleeve (106).
21. a kind of adapter as claimed in claim 11, it is characterised in that：The holding body is included by the docking section (40) The elastic arm (43) of extension, elastic arm (43) end are equipped with blocked block (44)；Meanwhile
When the outer sleeve (105) is in first state, the elastic arm (43) is described in not sending elastic deformation state Blocked block (44) is contained in completely in the container (101b), described outer when the outer sleeve (105) is in first state Sleeve (105) is supported on blocked block (44), and blocked block (44) partly stretches into the docking channel (101a).
22. a kind of joint of fast insert-pull, including adapter (1) and connector (2), which is characterized in that described suitable Orchestration (1) includes：
Adaptor body (101), docking section (40) of the adaptor body (101) at least one end for tubular, the docking section (40) equipped with docking channel (101a), adaptor body (101) equipped with for accommodate the lock pin of optical fiber ceramic lock pin (203) receiving Seat (42), the lock pin holding seat (42) in the middle part of the adaptor body (101), and the docking section (40) be equipped with The container (101b) that the docking channel (101a) connects；
Holding body, the holding body activity are contained in the container (101b)；
Actively be sheathed on the outer sleeve (105) of the docking section (40) outside, the outer sleeve (105) have first state and Second state, when the outer sleeve (105) is in first state, the outer sleeve (105) supports the holding body, and make portion Holding body is divided to stretch into docking channel (101a), when the outer sleeve (105) is in the second state, the housing with can not retracting It is equipped between cylinder (105) and the opening of the container (101b) and exits the bit space that allows for docking channel (101a) for holding body (101c)；
Actively it is mounted on the inner sleeve (106) of the docking section (40), the inner sleeve (106) is for it by towards insertion side The outer sleeve (105) is maintained at first state after ejection；
The connector (2) includes：
Main part (201a), the main part (201a) is equipped with a cavity (201b)；
The optical cable (215) of the main part (201a) is mounted on, and the optical cable (215) stretches into the cavity (201b)；
It is located at the insertion section (201c) of main part (201a) one end, the insertion section (201c) is far from the main part (201a) One end be equipped with optical fiber ceramic lock pin (203), the insertion section (201c) be equipped be used for and the matched adaptation of the connector The groove of device clamping, meanwhile,
Insertion section (201c) periphery is equipped with ejector apparatus (206), and the ejector apparatus (206) is for ejection and the company Connect the inner sleeve (106) of the adapter of device adaptation；Meanwhile
When the connector (2) is inserted into adapter (1), the ejector apparatus (206) is held in inner sleeve (106), and The outer sleeve (105) is maintained at first state, and part holding body stretches into docking channel (101a) and blocks in which can not retract It is held in groove.
23. a kind of joint of fast insert-pull, including adapter (1) and connector (2), it is characterised in that：It is described suitable The adaptor body (101) that orchestration (1) can be docked including both ends with connector (2), the either end of adaptor body (101) With locking mechanism, which includes the orientation limiting groove (103), embedding for being opened in adaptor body (101) madial wall Steel ball (104) set on adaptor body (101) lateral wall is sheathed on adaptor body (101) outside and is pressed on steel ball (104) Outer sleeve (105) and the inner sleeve (106) being set between adaptor body (101) and outer sleeve (105)；Wherein, it is described Orientation limiting groove (103) is uniformly distributed along the circumferential direction of adaptor body (101) to be multiple, the rear end of the inner sleeve (106) Face is offseted, and outer spring respectively by outer spring (107), inner spring (108) and outer sleeve (105), adaptor body (101) (107) elastic force is more than the elastic force of inner spring (108), and the front end face of the inner sleeve (106) is respectively by outer sleeve (105), suitable Orchestration ontology (101) supports；It can be opposite two-by-two between the outer sleeve (105), adaptor body (101) and inner sleeve (106) It slides, and the madial wall of outer sleeve (105) has an inclined-plane (111), for steel ball (104) press-in connector (2) to be locked Connector (2)；
The connector (2) includes header body (201), and the outer surface of header body (201) is provided with to be limited with the orientation The orientation limit protrusion (204) that groove (103) is adapted；The outside of header body (201) is equipped with plug housing (205), this is inserted The front end of head housing (205) has the ejector apparatus (206) for pushing tow inner sleeve (106)；The outer surface of header body (201) A circle and the annular groove (207) of steel ball (104) cooperation are circumferentially provided with along it, when steel ball (104) is pressed into annular groove (207) during interior and clamping, the adapter (1) is locked with connector (2).
24. the joint of fast insert-pull as claimed in claim 23, it is characterised in that：The connector (2) is inserted Head ontology (201) and the contact surface of adaptor body (101) are embedded at least one O-ring seal (208), when adapter (1) When not docked with connector (2), the inserting protection core plug (3) in the adapter (1), the protection core plug (3) have with it is described The identical ejector apparatus (206) of structure, annular groove (207) and O-ring seal (208) in connector (2).
25. the joint of fast insert-pull as claimed in claim 23, it is characterised in that：When connector (2) is not with fitting Orchestration (1) dock when, the header body (201) in the connector (2) is set with head protector (4) outside, the head protector (4) with it is described The plug housing (205) of connector (2) is connected through a screw thread.
CN201810277056.XA 2017-11-14 2018-03-30 A kind of joint of connector, adapter and fast insert-pull Pending CN108254835A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/CN2018/103129 WO2019184239A1 (en) 2018-03-30 2018-08-30 Connector, adapter, and quick-connect optical fiber connection assembly
MX2020004286A MX2020004286A (en) 2017-11-14 2018-08-30 Connector, adapter, and quick-connect optical fiber connection assembly.
BR112020007619-8A BR112020007619A2 (en) 2017-11-14 2018-08-30 connector and adapter for fiber optic connection, and, fiber optic connection assembly with quick plug
PH12020550110A PH12020550110A1 (en) 2017-11-14 2020-03-21 Connector, adapter, and quick-connect optical fiber connection assembly
CL2020001130A CL2020001130A1 (en) 2017-11-14 2020-04-28 Quick plug fiber optic connection assembly, adapter and connector.

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Application Number Priority Date Filing Date Title
CN2017111244319 2017-11-14
CN201711124431 2017-11-14

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CN108254835A true CN108254835A (en) 2018-07-06

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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
CN201810277056.XA Pending CN108254835A (en) 2017-11-14 2018-03-30 A kind of joint of connector, adapter and fast insert-pull
CN201810277185.9A Active CN108241192B (en) 2017-11-14 2018-03-30 Optical fiber connector and 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
CN201810277458.XA Active CN108490551B (en) 2017-11-14 2018-03-30 Optical fiber connector, optical fiber connecting seat and optical fiber connecting assembly
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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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

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CN201810277185.9A Active CN108241192B (en) 2017-11-14 2018-03-30 Optical fiber connector and 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
CN201810277458.XA Active CN108490551B (en) 2017-11-14 2018-03-30 Optical fiber connector, optical fiber connecting seat and optical fiber connecting assembly
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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CN (7) CN207965231U (en)
BR (2) BR112020008569A2 (en)
CL (2) CL2020001130A1 (en)
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CN111796368A (en) * 2020-07-30 2020-10-20 埃尔发光电智能科技(常州)有限公司 Optical fiber coupling system
CN112051644A (en) * 2020-08-31 2020-12-08 华为技术有限公司 Optical fiber adapter, optical fiber connector plug, connector assembly and communication equipment
WO2022041708A1 (en) * 2020-08-31 2022-03-03 华为技术有限公司 Optical fiber adapter, optical fiber connector plug, connector assembly, and communication device
WO2022052587A1 (en) * 2020-09-09 2022-03-17 烽火通信科技股份有限公司 Connector and optical fiber connection assembly
WO2023173309A1 (en) * 2022-03-16 2023-09-21 深圳金信诺高新技术股份有限公司 Cable connecting structure and cable waterproof connector
CN116643359A (en) * 2023-06-12 2023-08-25 东莞市一振通讯科技有限公司 Optical fiber butt joint device comprising optical fiber adapter and optical fiber connector
CN116643359B (en) * 2023-06-12 2024-03-22 东莞市一振通讯科技有限公司 Optical fiber butt joint device comprising optical fiber adapter and optical fiber connector

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CN108508541A (en) 2018-09-07
CN108508541B (en) 2020-06-16
CN108490551A (en) 2018-09-04
CN207965231U (en) 2018-10-12
CN108241192A (en) 2018-07-03
PH12020550110A1 (en) 2020-12-07
MX2020004286A (en) 2020-07-29
CN108318975A (en) 2018-07-24
BR112020008569A2 (en) 2020-10-20
BR112020007619A2 (en) 2020-10-20
CN108318975B (en) 2024-01-30
CL2020001130A1 (en) 2020-08-14
CN108490551B (en) 2020-12-01
CL2020001366A1 (en) 2020-08-21
CN207965228U (en) 2018-10-12
CN108241192B (en) 2023-07-28

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