CN101907750A - Fiber connector assembly and plug thereof - Google Patents

Fiber connector assembly and plug thereof Download PDF

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Publication number
CN101907750A
CN101907750A CN 201010241207 CN201010241207A CN101907750A CN 101907750 A CN101907750 A CN 101907750A CN 201010241207 CN201010241207 CN 201010241207 CN 201010241207 A CN201010241207 A CN 201010241207A CN 101907750 A CN101907750 A CN 101907750A
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CN
China
Prior art keywords
inner housing
face
plug
dlc
shell body
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
CN 201010241207
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Chinese (zh)
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CN101907750B (en
Inventor
方尚杰
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.)
China Aviation Optical Electrical Technology Co Ltd
Original Assignee
China Aviation Optical Electrical Technology 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 China Aviation Optical Electrical Technology Co Ltd filed Critical China Aviation Optical Electrical Technology Co Ltd
Priority to CN 201010241207 priority Critical patent/CN101907750B/en
Priority to PCT/CN2010/001891 priority patent/WO2012016364A1/en
Publication of CN101907750A publication Critical patent/CN101907750A/en
Application granted granted Critical
Publication of CN101907750B publication Critical patent/CN101907750B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/389Dismountable 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
    • G02B6/3893Push-pull type, e.g. snap-in, push-on
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/381Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3818Dismountable 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
    • G02B6/3821Dismountable 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/3833Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3847Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
    • G02B6/3849Details 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/3873Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3874Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
    • G02B6/3878Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
    • G02B6/3879Linking of individual connector plugs to an overconnector, e.g. using clamps, clips, common housings comprising several individual connector plugs
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/3897Connectors fixed to housings, casing, frames or circuit boards

Abstract

The invention relates to a fiber connector assembly and plug thereof. The plug thereof comprises an inner case, the front end of the inner hole of the inner case is provided with an inner convex baffle, the inner hole of the inner case is provided with a DLC plug fixing plate in a sliding way, the front end face of the fixing plate is in stop fit with the inner convex baffle, the back end face of the fixing plate and the stop step face arranged at the rear end of the inner hole of the inner case are in elastic fit by virtue of a push spring, the front end of the inner case is radially provided with a floating pressing block in a sliding way, the periphery of the inner case is provided with more than one elastic claw facing the front end along the circumference, the periphery of the inner case is sheathed with an outer case the inner hole circumference of which is matched with the elastic claw, the front end of the elastic claw is provided with a locking block, the locking block is arranged in a lock hole arranged on the circumference of the outer case and is exposed out the periphery of the outer case, the outer end of the floating pressing block and the inner hole circumference of the outer case are in against fit, and the inner hole circumference of the outer case is provided with a strip embossment which extends to the front end face and pushes the floating pressing block when the outer case moves backward.

Description

Fiber optic connector assembly and plug thereof
Technical field
The present invention relates to be provided with in a kind of housing the fiber optic connector assembly of DLC modular plug, the invention still further relates to the plug of this connector assembly simultaneously.
Background technology
Transmission field at light signal; the DLC modular plug is used more; the DLC modular plug comprises plug portion; the tail end of plug portion is connected with optical cable; the DLC modular plug both can be used for transmitting optical signal; but; can't bear pulling force from optical cable; this just need form the joints of optical fibre at the outside of optical module suit upper shell; and the aramid fiber of optical cable is cast in bonding puts; the endoporus of bonding cover is generally shoulder hole or inner hole wall is the conical surface; at the flared end potting compound liquid of the endoporus of bonding cover the aramid fiber of optical cable is cast in bonding and puts the formation tensile structure; the outer peripheral face of bonding cover is a multidiameter, is arranged on the cascaded surface block on the step on the bonding cover outer peripheral face and the endoporus of connector shell and cooperates and will pass to connector shell from the pulling force of optical cable, the effect of protecting the DLC plug portion not stress.Since the DLC modular plug with adaptive optical module when inserting by two clamps butt joints, when both are separated, need pinch and press duplexing clamp that the DLC modular plug is being separated with adaptive optical module, so, equally, also must pinch earlier when DLC optical fiber is connected separation presses duplexing clamp that the DLC modular plug is separated with adaptive optical module again, also just explanation can not separate the housing and the DLC modular plug of connector shell and adaptive optical module with adaptive optical module simultaneously simultaneously, therefore, all connector shell and DLC modular plug are designed to and can slide relatively in the prior art, the bonding cover is slidingly matched with connector shell and cooperates with the step surface anticreep of connector shell endoporus by the step surface that overlaps periphery that bonds, elder generation separates the housing of the joints of optical fibre with the housing of intermateable connector when connector separates with intermateable connector, to connect housing then moves after with respect to the DLC optical module, make in the endoporus of DLC optical module by connector shell and expose, pinch then and press duplexing clamp again the DLC optical module to be separated with adaptive optical module, this joints of optical fibre simple in structure, the connector shell body only plays the effect of bearing pulling force, peg graft and all need to carry out in two steps when separating connecting body and intermateable connector, lose time very much, can't realize the fast insert-pull of the joints of optical fibre and intermateable connector.
Summary of the invention
The object of the present invention is to provide a kind of fiber optic connector assembly,, can't realize the problem of fast insert-pull to solve in the prior art because of the joints of optical fibre all need to carry out in two steps when separating pegging graft with intermateable connector.
For achieving the above object, fiber optic connector assembly of the present invention adopts following technical scheme: a kind of fiber optic connector assembly, comprise plug and socket, described socket comprises Socket casing, the front end of Socket casing has the opening that holds plug head portion, described plug comprises inner housing, the front end of inner housing endoporus has the convex baffle plate, have on the convex baffle plate and be used for the hole of passing through that the DLC modular plug passes through, slide in the inner housing endoporus be provided with that front end face cooperates with convex baffle plate block be used for fixing DLC plug fixed head, cooperate by pushing spring between the block step surface that the rear end face of fixed head and inner housing endoporus rear end are provided with, has pilot hole on the fixed head, the inner housing front end radially slides and is provided with unsteady briquetting, the inner termination of unsteady briquetting is used for the duplexing clamp of roof pressure at the DLC plug, outer section slip of unsteady briquetting is installed in the radial direction through hole of inner housing, the outer peripheral face upper edge circumference of inner housing is laid with an above elastic claw towards front end, the constringency cleft that has elastic claw between the outer peripheral face of elastic claw and inner housing, outer section of described unsteady briquetting is positioned between two elastic claws, the periphery slip cap of inner housing is equipped with the shell body that the endoporus side face cooperates with elastic claw, the front end of elastic claw is provided with lock dog, described lock dog is arranged in the lockhole that is provided with on the shell body side face and protrudes from the outer peripheral face of shell body, the leading flank of lock dog is for can take off the disengagement inclined-plane that cooperates with the side of lockhole, the external end head of unsteady briquetting cooperates with the endoporus side face roof pressure of shell body, the endoporus side face of shell body is provided with the strip projected parts that extends to front end face of the unsteady briquetting of pushing when moving behind shell body, convex with the installation square plate that is used for the equipment installation on the Socket casing outer peripheral face, the front end of Socket casing endoporus side face is provided with the locking slot of locking with the lock dog clamping of described elastic claw.
The outer side clearance of described inner housing is provided with concentric sleeve, sleeve is wholely set by its rear end and inner housing with one heart, described more than one elastic claw evenly is arranged on the perisporium of concentric sleeve and by the radially through slot that is arranged on the U-shaped on the concentric sleeve periphery wall and is split to form, the rear end of described more than one elastic claw by concentric sleeve forms an integral body, is provided with the U-shaped breach that extends to front end face on the described concentric sleeve in the strip projected parts place.
Be provided with on the described shell body on the step of rear end and described inner housing, be provided with between the step surface of front end, be provided with back-moving spring.
Be provided with the DLC modular plug in the described inner housing, the rear end of DLC modular plug is connected with optical cable, the DLC modular plug is located in the pilot hole of fixed head, and the front end face of fixed head cooperates with DLC modular plug block, and the rear end face of fixed head cooperates with pressure welding case block on being sleeved on optical cable.
The plate face of described fixed head is provided with the optical fiber embedded groove that is extended to pilot hole by the outer peripheral face of fixed head.
The plug of fiber optic connector assembly of the present invention adopts following technical scheme:
A kind of plug of fiber optic connector assembly, described plug comprises inner housing, the front end of inner housing endoporus has the convex baffle plate, have on the convex baffle plate and be used for the hole of passing through that the DLC modular plug passes through, slide in the inner housing endoporus be provided with that front end face cooperates with convex baffle plate block be used for fixing DLC plug fixed head, cooperate by pushing spring between the block step surface that the rear end face of fixed head and inner housing endoporus rear end are provided with, has pilot hole on the fixed head, the inner housing front end radially slides and is provided with unsteady briquetting, the inner termination of unsteady briquetting is used for the duplexing clamp of roof pressure at the DLC plug, outer section slip of unsteady briquetting is installed in the radial direction through hole of inner housing, the outer peripheral face upper edge circumference of inner housing is laid with an above elastic claw towards front end, the constringency cleft that has elastic claw between the outer peripheral face of elastic claw and inner housing, outer section of described unsteady briquetting is positioned between two elastic claws, the periphery slip cap of inner housing is equipped with the shell body that the endoporus side face cooperates with elastic claw, the front end of elastic claw is provided with lock dog, described lock dog is arranged in the lockhole that is provided with on the shell body side face and protrudes from the outer peripheral face of shell body, the leading flank of lock dog is for can take off the disengagement inclined-plane that cooperates with the side of lockhole, the external end head of unsteady briquetting cooperates with the endoporus side face roof pressure of shell body, and the endoporus side face of shell body is provided with the strip projected parts that extends to front end face of the unsteady briquetting of pushing when moving behind shell body
The outer side clearance of described inner housing is provided with concentric sleeve, sleeve is wholely set by its rear end and inner housing with one heart, described more than one elastic claw evenly is arranged on the perisporium of concentric sleeve and by the radially through slot that is arranged on the U-shaped on the concentric sleeve periphery wall and is split to form, the rear end of described more than one elastic claw by concentric sleeve forms an integral body, is provided with the U-shaped breach that extends to front end face on the described concentric sleeve in the strip projected parts place.
Be provided with on the described shell body on the step of rear end and described inner housing, be provided with between the step surface of front end, be provided with back-moving spring.
Be provided with the DLC modular plug in the described inner housing, the rear end of DLC modular plug is connected with optical cable, the DLC modular plug is located in the pilot hole of fixed head, and the front end face of fixed head cooperates with DLC modular plug block, and the rear end face of fixed head cooperates with pressure welding case block on being sleeved on optical cable.
The plate face of described fixed head is provided with the optical fiber embedded groove that is extended to pilot hole by the outer peripheral face of fixed head.
The outer peripheral face of the inner housing of the plug of connector assembly of the present invention is provided with the elastic claw towards front end, the front end of elastic claw is provided with lock dog, radially slide on the perisporium of inner housing to be provided with and float briquetting in use, be equipped with the DLC modular plug in the inner housing, DLC modular plug rear end is provided with optical cable, the inner termination of unsteady briquetting is pressed on the duplexing clamp of DLC modular plug, the DLC modular plug can be slidingly arranged in by fixed head fixed thereon in the endoporus of inner housing, the block of the convex baffle plate on the front end face of fixed head and the inner housing cooperates, the rear end face of fixed head cooperates by the pushing spring with the block step surface that the inner housing rear end is provided with, the periphery of inner housing is set with shell body, has lockhole on the shell body, the lock dog of elastic claw is arranged in the lockhole, lock dog protrudes from the outer peripheral face of inner housing, the external end head of unsteady briquetting cooperates with the inner peripheral surface roof pressure of inner housing, and the endoporus side face of shell body is provided with the strip projected parts of the unsteady briquetting of pushing when moving behind shell body.When plug of the present invention and socket plug together, can grasp shell body, shell body drives inner housing by cooperating between lockhole and the lock dog, inner housing drives the DLC modular plug by the fixed head of pushing spring on being fixed on the DLC modular plug and moves to socket, the DLC modular plug is mated grafting after running into the interior DLC jack module of socket under the effect of spring force, simultaneously, the front end of shell body enters the opening of Socket casing front end, the lock dog of elastic claw cooperates with the locking slot of Socket casing realizes reliably plugging together of plug and socket, plug casing and Socket casing plug together with DLC modular plug and socket in plugging together simultaneously of DLC jack module carry out, do not need to plug together in two steps; When plug and socket separates, hold and move after shell body makes shell body with respect to inner housing, at this moment, strip projected parts on the shell body is the unsteady briquetting of pushing inwardly, unsteady briquetting pushes duplexing clamp, along with moving of plug, the DLC modular plug is separated with DLC jack module in the socket, simultaneously, the lock dog of the sidewall extruding elastic claw of the lockhole of shell body shrinks elastic claw, the lock dog of elastic claw and the locking slot of Socket casing break away to be realized separating of plug casing and Socket casing, plug casing carried out with separating with DLC modular plug and the separating simultaneously of DLC jack module in the socket of Socket casing, do not need to plug together in two steps yet, thereby realized plug, the fast insert-pull of socket.
Description of drawings
Fig. 1 is the structural representation of fiber optic connector assembly of the present invention;
Fig. 2 is the stereographic map of fiber optic connector assembly of the present invention;
Fig. 3 is the structural representation (comprising dust cover) of the plug of fiber optic connector assembly of the present invention
Fig. 4 is the stereographic map of shell body among Fig. 3;
Fig. 5 is the stereographic map of inner housing among Fig. 3;
Fig. 6 is the stereographic map of back cover among Fig. 3;
Fig. 7 is the stereographic map of unsteady briquetting among Fig. 3;
Fig. 8 is the stereographic map of the fixed head among Fig. 3;
Fig. 9 is a pressure welding case among Fig. 3;
Figure 10 is the stereographic map of back-moving spring among Fig. 3;
Figure 11 is the stereographic map of Sealed casing pipe among Fig. 3;
Figure 12 is the stereographic map of pushing spring among Fig. 3;
Figure 13 is the stereographic map of sheath among Fig. 3;
Figure 14 is the stereographic map that has the DLC modular plug of tensile structure and fixed head among Fig. 3;
Figure 15 is the structural representation of socket among Fig. 1;
Figure 16 is a right view among Figure 15;
Figure 17 is the stereographic map of socket among Fig. 1.
Embodiment
A kind of embodiment of fiber optic connector assembly, at Fig. 1, among Fig. 2, this connector assembly, comprise plug 1 and socket 2, in Fig. 3 ~ Figure 14, in conjunction with Fig. 1, Fig. 2, plug 1 comprises inner DLC modular plug 3, has duplexing clamp 4 on the DLC modular plug 3 with adaptive DLC jack module clamping, pinch and press duplexing clamp 4 that DLC modular plug 3 is separated with adaptive DLC jack module, the rear end of DLC modular plug 3 has optical cable 5, the mode that the aramid fiber of optical cable 5 adopts glue to irritate is fixed on the bonding cover 6, and the outer peripheral face of bonding cover 6 is the little multidiameter of the big rear end of point diameter diameter, and the endoporus of bonding cover 6 passes through for optical fiber 5, the endoporus side face of bonding cover 6 is the enlarging conical surface forward, the aramid fiber of optical fiber is fixed on fixing glue on the bonding cover 6 is arranged in the flared part of endoporus front end of bonding cover 6.Optical cable 5 junctions of DLC modular plug 3 are provided with fixed head 7.The center of fixed head 7 has the pilot hole 8 that holds optical cable 5, the plate face of fixed head 7 is provided with the optical fiber embedded hole 9 that is extended to pilot hole 8 by the outer peripheral face of fixed head 7, the optical module part block of DLC modular plug 3 front portions of fixed head 7 cooperates, and the rear end face of fixed head 7 cooperates with pressure welding case 10 blocks on being arranged on optical cable 5.The outer side clearance of DLC modular plug 3 is set with inner housing 11, inner housing 11 outer side clearances are provided with concentric sleeve 12, sleeve 12 is wholely set by its rear end and inner housing 11 with one heart, evenly be provided with the radially through slot of three openings on the side face of concentric locking collar 12 towards the U-shaped of rear end, these three U-lags have molded three elastic claws 13 towards front end on the side face of concentric sleeve, these three elastic claws 13 form an integral body by the rear end of concentric sleeve 12, and the gap between sleeve 12 and the inner housing 11 is the constringency cleft of elastic claw 13 with one heart.The front end of elastic claw 13 has lock dog 14.The outside engage sleeves of inner housing 11 is equipped with shell body 15, the endoporus side face of shell body 15 cooperates with the outer peripheral face of concentric sleeve 12, be evenly equipped with three lockholes 18 on the side face of shell body 15, each lock dog 14 is arranged in and lays respectively at each self-corresponding lockhole 18, the external end head of lock dog 14 protrudes from the outer peripheral face of shell body 15, the leading flank that lock dog 14 cooperates with the perisporium of lockhole 18 is slippage inclined-plane 19, when behind shell body 15, moving, lockhole 18 takes place to slide with slippage inclined-plane 19 elastic claw 13 is shunk, inner housing 11 is provided with radial fit hole 16, the unsteady briquetting 17 of slidable fit in the radial fit hole 16.The part of the inner segment circle of position cylinder of unsteady briquetting 17, the outer end is for radially being arranged on the slip shank 20 on the cylinder, slip shank 20 is slidingly matched with radial fit hole 16, slip shank 20 external end heads are the spherical tank shape, the external end head of slip shank 20 spherical tank shapes cooperates with the endoporus side face roof pressure of shell body 15, the inner side plane of unsteady briquetting 17 cooperates with duplexing clamp 4 roof pressures, be provided with when moving the briquetting 17 that floats of pushing downwards on the inner peripheral surface of shell body 15 in the front portion of the cooperation place that the external end head with slip shank 20 spherical tank shapes on the concentric sleeve 12 cooperates and make its strip projected parts that pushes duplexing clamp 4 21 behind shell body 15, sleeve 12 is provided with the U-shaped breach 22 that opening extends to front end face in strip projected parts 21 places with one heart.The rear end of inner housing 11 is fixed with back cover 23 by screw thread, the endoporus of back cover 23 is the pre-large post-small shoulder hole of diameter, the step surface of shoulder hole is the thrust step surface, and the step surface of bonding cover 6 peripheries cooperates with the thrust step surface will pass to back cover 23 from the pulling force of optical cable.The outer peripheral face of fixed head 7 cooperates stationkeeping with DLC modular plug 3 in the center of inner housing 11 with the endoporus slip side face of inner housing 11, be provided with pushing spring 24 between the thrust step surface of the rear end face of fixed head 7 and back cover 23.Has the step surface 25 that resets on shell body 15 endoporus towards the rear end, has a gap between the interior bore portion of the shell body 15 that the step surface 25 of resetting is later and inner housing 11 and the back cover 23, be provided with back-moving spring 26 in this gap, the front end roof pressure of back-moving spring 26 is on the step surface 25 that resets, and the rear end roof pressure of back-moving spring 26 cooperates on the step surface 27 towards resetting of front end the outer peripheral face front end setting of back cover 23.Optical cable 5 upper sleeve gaskets of bonding cover 6 rear ends are equipped with seal rubber sleeve 36, the endoporus of seal rubber sleeve 36 is an enlarging shoulder hole forward, the outer peripheral face that the flared part of seal rubber sleeve 36 is arranged at bonding cover 6 and back are overlapped between 23 the endoporus side face, the rear end of back cover 23 is provided with sheath 28, the endoporus of sheath 28 also is the step surface before the enlarging, sheath 28 is contained in the rear end of back cover 23 by its front end sleeve, the step surface of sheath 28 endoporus cooperates with the locking of the rear end face of seal rubber sleeve 36, has antirotation keys 35 on the rear end side face of seal rubber sleeve 36, antirotation keys 35 cooperates with anti-rotation keyway on sheath 28 endoporus and prevents that seal rubber sleeve 36 from rotating with respect to sheath 28, and then prevents that seal rubber sleeve 36 from rotating with respect to optical cable 5.When plug 1 does not use, need on plug 1, put plug dust cover 29 for preventing that dust from entering in the plug 1.
In Figure 15 ~ 17, in conjunction with Fig. 1 ~ 14, socket comprises Socket casing 30, Socket casing 30 internal clearances are provided with DLC jack module 31, the front end of Socket casing 30 has the opening that holds plug 1 leading section, and the front end of Socket casing 30 endoporus is provided with the locking slot 32 that cooperates with lock dog 14 lockings of plug elastic claw 13.Be provided on the outer peripheral face of Socket casing 30 socket is installed in installation square plate 33 on the device panel when socket does not use, need on plug 1, put socket dust cover 34 for preventing that dust from entering in the socket.
A kind of embodiment of plug of fiber optic connector assembly, in Fig. 3 ~ 14, this socket is the plug in above-mentioned Fig. 1 ~ 14.The inner housing that this plug mainly comprises the DLC optical module and is sleeved on the DLC optical module outside, the outside of inner housing 11 is set with shell body 15, inner housing 11 be provided with shell body 15 on respective outer side edges be the structure of DLC optical module and adaptive optical module release and the structure that this plug and adaptive socket are locked, shell body is provided with the structure into the plug and socket release, and these structures are existing in the embodiment of above-mentioned fiber optic connector assembly to be introduced in detail.
The elastic claw of above embodiment is arranged on the concentric sleeve, also concentric sleeve can be set, directly elastic claw is arranged on the inner housing.
The back-moving spring of above embodiment is arranged between shell body and the back cover, also can be arranged between shell body and the inner housing, also back-moving spring can be set, after plug and socket is separated, shell body is resetted with respect to inner housing.

Claims (10)

1. fiber optic connector assembly, comprise plug and socket, described socket comprises Socket casing, the front end of Socket casing has the opening that holds plug head portion, it is characterized in that: described plug comprises inner housing, the front end of inner housing endoporus has the convex baffle plate, have on the convex baffle plate and be used for the hole of passing through that the DLC modular plug passes through, slide in the inner housing endoporus be provided with that front end face cooperates with convex baffle plate block be used for fixing DLC plug fixed head, cooperate by pushing spring between the block step surface that the rear end face of fixed head and inner housing endoporus rear end are provided with, has pilot hole on the fixed head, the inner housing front end radially slides and is provided with unsteady briquetting, the inner termination of unsteady briquetting is used for the duplexing clamp of roof pressure at the DLC plug, outer section slip of unsteady briquetting is installed in the radial direction through hole of inner housing, the outer peripheral face upper edge circumference of inner housing is laid with an above elastic claw towards front end, the constringency cleft that has elastic claw between the outer peripheral face of elastic claw and inner housing, outer section of described unsteady briquetting is positioned between two elastic claws, the periphery slip cap of inner housing is equipped with the shell body that the endoporus side face cooperates with elastic claw, the front end of elastic claw is provided with lock dog, described lock dog is arranged in the lockhole that is provided with on the shell body side face and protrudes from the outer peripheral face of shell body, the leading flank of lock dog is for can take off the disengagement inclined-plane that cooperates with the side of lockhole, the external end head of unsteady briquetting cooperates with the endoporus side face roof pressure of shell body, the endoporus side face of shell body is provided with the strip projected parts that extends to front end face of the unsteady briquetting of pushing when moving behind shell body, convex with the installation square plate that is used for the equipment installation on the Socket casing outer peripheral face, the front end of Socket casing endoporus side face is provided with the locking slot of locking with the lock dog clamping of described elastic claw.
2. fiber optic connector assembly according to claim 1, it is characterized in that: the outer side clearance of described inner housing is provided with concentric sleeve, sleeve is wholely set by its rear end and inner housing with one heart, described more than one elastic claw evenly is arranged on the perisporium of concentric sleeve and by the radially through slot that is arranged on the U-shaped on the concentric sleeve periphery wall and is split to form, the rear end of described more than one elastic claw by concentric sleeve forms an integral body, is provided with the U-shaped breach that extends to front end face on the described concentric sleeve in the strip projected parts place.
3. fiber optic connector assembly according to claim 2 is characterized in that: be provided with on the described shell body on the step of rear end and described inner housing, be provided with between the step surface of front end, be provided with back-moving spring.
4. according to claim 1 or 2 or 3 described fiber optic connector assemblies, it is characterized in that: be provided with the DLC modular plug in the described inner housing, the rear end of DLC modular plug is connected with optical cable, the DLC modular plug is located in the pilot hole of fixed head, the front end face of fixed head cooperates with DLC modular plug block, and the rear end face of fixed head cooperates with pressure welding case block on being sleeved on optical cable.
5. fiber optic connector assembly head according to claim 4 is characterized in that: the plate face of described fixed head is provided with the optical fiber embedded groove that is extended to pilot hole by the outer peripheral face of fixed head.
6. the plug of a fiber optic connector assembly, it is characterized in that: described plug comprises inner housing, the front end of inner housing endoporus has the convex baffle plate, have on the convex baffle plate and be used for the hole of passing through that the DLC modular plug passes through, slide in the inner housing endoporus be provided with that front end face cooperates with convex baffle plate block be used for fixing DLC plug fixed head, cooperate by pushing spring between the block step surface that the rear end face of fixed head and inner housing endoporus rear end are provided with, has pilot hole on the fixed head, the inner housing front end radially slides and is provided with unsteady briquetting, the inner termination of unsteady briquetting is used for the duplexing clamp of roof pressure at the DLC plug, outer section slip of unsteady briquetting is installed in the radial direction through hole of inner housing, the outer peripheral face upper edge circumference of inner housing is laid with an above elastic claw towards front end, the constringency cleft that has elastic claw between the outer peripheral face of elastic claw and inner housing, outer section of described unsteady briquetting is positioned between two elastic claws, the periphery slip cap of inner housing is equipped with the shell body that the endoporus side face cooperates with elastic claw, the front end of elastic claw is provided with lock dog, described lock dog is arranged in the lockhole that is provided with on the shell body side face and protrudes from the outer peripheral face of shell body, the leading flank of lock dog is for can take off the disengagement inclined-plane that cooperates with the side of lockhole, the external end head of unsteady briquetting cooperates with the endoporus side face roof pressure of shell body, and the endoporus side face of shell body is provided with the strip projected parts that extends to front end face of the unsteady briquetting of pushing when moving behind shell body.
7. the plug of fiber optic connector assembly according to claim 6, it is characterized in that: the outer side clearance of described inner housing is provided with concentric sleeve, sleeve is wholely set by its rear end and inner housing with one heart, described more than one elastic claw evenly is arranged on the perisporium of concentric sleeve and by the radially through slot that is arranged on the U-shaped on the concentric sleeve periphery wall and is split to form, the rear end of described more than one elastic claw by concentric sleeve forms an integral body, is provided with the U-shaped breach that extends to front end face on the described concentric sleeve in the strip projected parts place.
8. the plug of fiber optic connector assembly according to claim 7 is characterized in that: be provided with on the described shell body on the step of rear end and described inner housing, be provided with between the step surface of front end, be provided with back-moving spring.
9. according to the plug of claim 6 or 7 or 8 described fiber optic connector assemblies, it is characterized in that: be provided with the DLC modular plug in the described inner housing, the rear end of DLC modular plug is connected with optical cable, the DLC modular plug is located in the pilot hole of fixed head, the front end face of fixed head cooperates with DLC modular plug block, and the rear end face of fixed head cooperates with pressure welding case block on being sleeved on optical cable.
10. fiber optic connector assembly head according to claim 4 is characterized in that: the plate face of described fixed head is provided with the optical fiber embedded groove that is extended to pilot hole by the outer peripheral face of fixed head.
CN 201010241207 2010-07-31 2010-07-31 Fiber connector assembly and plug thereof Expired - Fee Related CN101907750B (en)

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CN 201010241207 CN101907750B (en) 2010-07-31 2010-07-31 Fiber connector assembly and plug thereof
PCT/CN2010/001891 WO2012016364A1 (en) 2010-07-31 2010-11-25 Optical fiber connector assembly and plug thereof

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CN 201010241207 CN101907750B (en) 2010-07-31 2010-07-31 Fiber connector assembly and plug thereof

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CN102385119A (en) * 2011-10-27 2012-03-21 中航光电科技股份有限公司 Small-pullout-force optical fiber connector shell and optical fiber connector using same
CN103135175A (en) * 2011-12-01 2013-06-05 沈阳兴华航空电器有限责任公司 Optical fiber array connector
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CN102967903A (en) * 2012-11-28 2013-03-13 江苏宇特光电科技股份有限公司 Linked connecting plug of single-core optical fiber
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CN104267467A (en) * 2014-10-21 2015-01-07 中航光电科技股份有限公司 Optical cable connector convenient to assemble on site and optical cable connector assembly
CN105425342A (en) * 2015-11-23 2016-03-23 中航光电科技股份有限公司 Fiber plug and delocking structure thereof
CN105425342B (en) * 2015-11-23 2018-01-16 中航光电科技股份有限公司 A kind of Optical fiber plug and its unlocking structure
CN109116476A (en) * 2017-06-23 2019-01-01 中航光电科技股份有限公司 Disjunctor DLC optical fiber connector, connector plug module and plug casing
CN109425941A (en) * 2017-08-31 2019-03-05 中航光电科技股份有限公司 Connector assembly and its pin connector, lock pin unit
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CN111092321A (en) * 2020-01-20 2020-05-01 中航光电科技股份有限公司 Connector and plug thereof
CN111092321B (en) * 2020-01-20 2021-06-04 中航光电科技股份有限公司 Connector and plug thereof

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