CN109270639A - A kind of outdoor optical fiber connector - Google Patents
A kind of outdoor optical fiber connector Download PDFInfo
- Publication number
- CN109270639A CN109270639A CN201811216847.8A CN201811216847A CN109270639A CN 109270639 A CN109270639 A CN 109270639A CN 201811216847 A CN201811216847 A CN 201811216847A CN 109270639 A CN109270639 A CN 109270639A
- Authority
- CN
- China
- Prior art keywords
- frame set
- optical fiber
- fiber connector
- screw thread
- salient point
- 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
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 67
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000000428 dust Substances 0.000 claims description 21
- 239000003292 glue Substances 0.000 claims description 15
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 6
- 230000003467 diminishing effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 241001656951 Protheca Species 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 239000000835 fiber Substances 0.000 abstract description 5
- 238000003032 molecular docking Methods 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 13
- 239000012535 impurity Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 229920000271 Kevlar® Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
-
- 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
- G02B6/3869—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
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
Abstract
A kind of outdoor optical fiber connector, for connecting external cable, comprising: front frame set, white inner core, ferrule assembly, spring, little Bai pipe, locating snap ring, crimp rings, fixation device, the after-frame set, tail sleeve for fixing optical cable；The outside of locating snap ring has the second bulge loop, the first salient point and the second salient point of different sizes are provided in first mounting hole of front frame set, the first card slot with the cooperation of the first salient point is provided on second bulge loop, the second card slot with the cooperation of the second salient point is provided on second bulge loop, locating snap ring is caught in the first mounting hole, first salient point is stuck in the first card slot, and the second salient point is stuck in the second card slot.When locating snap ring is fixed on front frame set, it could only be installed successfully when the first salient point is stuck in the first card slot, the second salient point is stuck in the second card slot, outdoor optical fiber connector of the invention has preferable circumferentially positioned effect, it can prevent internal core from reversing, optical fiber is not easy displacement, high reliablity after fiber alignment quality height, docking.
Description
Technical field
The present invention relates to a kind of technical field of optical fiber communication, more particularly to a kind of outdoor optical fiber connector.
Background technique
Outdoor optical fiber connector is the device that detachable (activity) connection is carried out between optical fiber and optical fiber, it is optical fiber
Two end face precision docking are got up, so that the light energy of launching fiber output can be coupled in reception optical fiber to the maximum extent.
After existing outdoor optical fiber connector installation, core wire is easy along axis circular-rotation, and the axial locating effect of optical fiber connection is poor, and optical fiber is fine
Core joint quality is poor, and reliability is low.
Summary of the invention
There is provided that a kind of fiber alignment quality is high, docking it is an object of the invention to avoid shortcoming in the prior art
Optical fiber is not easy the outdoor optical fiber connector of displacement, high reliablity afterwards.
It is a kind of outdoor optical fiber connector, for connecting external cable, comprising: with the first mounting hole front frame set, it is white in
Core, outside ferrule assembly, spring, little Bai with the first bulge loop are managed, the internal locating snap ring with the first baffle ring, crimp rings, are consolidated
Fixation device, the after-frame set, tail sleeve of the fixed optical cable；The little Bai pipe is inserted into the rear end of the ferrule assembly, the spring pocket
Outer in little Bai pipe, the first bulge loop of the ferrule assembly is withstood in the front end of the spring, the locating snap ring and it is described it is white in
Core is fastened and connected, and the ferrule assembly, the spring and the little Bai pipe are packed into the locating snap ring and the white inner core fastens shape
At the first cavity in, first baffle ring is withstood in the rear end of the spring；The outside of the locating snap ring has the second bulge loop, institute
It states in first mounting hole of front frame set and is provided with the first salient point and the second salient point of different sizes, set on second bulge loop
It is equipped with the first card slot with first salient point cooperation, second with second salient point cooperation is provided on second bulge loop
Card slot, the locating snap ring are caught in first mounting hole, and first salient point is stuck in first card slot, and described second is convex
Point is stuck in second card slot；The crimp rings are fixed on the tail portion of the locating snap ring, and the fixed device is set to described
The rear of crimp rings；The tail portion of the front frame set is connect with the after-frame external threading；The white inner core, the ferrule assembly, institute
State spring, little Bai pipe, the locating snap ring, the crimp rings and the fixed device be set to the front frame set with it is described after
Frame set is formed by the second cavity, and the tail sleeve is placed on the tail portion of the after-frame set.
Preferably, above-mentioned fixed device is the fixation cylinder for being placed on the crimp rings tail portion, and the tail sleeve is that inner hole is round
The tail sleeve of shape.
Preferably, the lateral tail of above-mentioned crimp rings is provided with aluminium ring.
Preferably, above-mentioned fixed device includes two straps being oppositely arranged, and is provided with third on the inside of the clamping plate
Card slot and the first positioning column, first positioning column of one of them clamping plate are caught in the third of another clamping plate
In card slot, it is provided with the first half slot on the inside of the clamping plate, the both sides of first half slot are respectively arranged with described in radius ratio
The second small half slot of first half slot, two when two Boards walls described in the first half slot form the first circular hole, two groups of institutes
It states the second half slot and forms two the second circular holes, the tail sleeve is the tail sleeve that inner hole is flat.
Preferably, it is provided with first glue groove in above-mentioned second half slot, is provided at first point in first glue groove
Glue hole is provided with the second dispensing hole in first half slot.
Preferably, above-mentioned fixed device has towards circumferentially diminishing first outer peripheral surface in tail portion, the after-frame tackling
Have towards the circumferentially diminishing through-hole in tail portion, and the first outer peripheral surface diminution described in the Amplitude Ratio of the diminution of through-hole described in equal length
Amplitude is big.
Preferably, the tail portion of above-mentioned after-frame set is provided with the band glue heat-shrinkable T bush of the fixed external cable.
Preferably, above-mentioned outdoor optical fiber connector is additionally provided with the first water proof ring and the second water proof ring, the front frame set
The second externally threaded inner side edge is provided with the first capillary groove, and first water proof ring is placed in first capillary groove, institute
The first water proof ring is stated to be pressed in second internal screw thread of the after-frame set；The front end of the after-frame set covers to be formed with the front frame
Second capillary groove, second water proof ring are placed in second capillary groove.
Preferably, above-mentioned front frame set protheca is equipped with dust cap, and the after-frame set is outer to be arranged with locking frame, the dust cap
Tail portion is provided with third internal screw thread, and the front of the locking frame is provided with third external screw thread corresponding with the third internal screw thread,
The third screws into the third internal screw thread, and the inner wall of the dust cap is pressed on second water proof ring.
Preferably, the tail portion of above-mentioned locating snap ring has the first external screw thread, and the crimp rings have and first external screw thread
First internal screw thread of cooperation, described first screws into first internal screw thread；The tail portion of the front frame set has second
External screw thread, after-frame set have the second internal screw thread cooperate with second external screw thread, described second screw into described in
In second internal screw thread；Outdoor optical fiber connector is additionally provided with the connection handle that both ends have retainer plate, one of them described retainer plate
It is placed on outside the dust cap, another described fixed trap is in outside the tail sleeve.
Compared with the prior art, the present invention has the following advantages: the little Bai pipe insertion of outdoor optical fiber connector of the invention is inserted
The rear end of core assembly, spring are placed on outside little Bai pipe, and the first bulge loop of ferrule assembly, locating snap ring and white inner core are withstood in the front end of spring
It is fastened and connected, ferrule assembly, spring and little Bai pipe are packed into locating snap ring and white inner core fastens in the first cavity to be formed, after spring
The first baffle ring in locating snap ring is withstood at end, and ferrule assembly has certain activity in the first cavity, passes through the elastic force of spring
Effect keeps outdoor optical fiber connector internal structure of the invention stronger reliable.Locating snap ring and crimp rings can pass through screw thread
Connection, front frame set and after-frame set are connected through a screw thread, and screwing operation is convenient, and dustproof and waterproof effect is good.The of front frame set
Of different sizes, the size matching of the size of the first card slot and the first salient point of the first salient point and the second salient point in one mounting hole
It closes, the size of the second card slot matches with the size of the second salient point, and the first salient point is stuck in the first card slot, and the second salient point is stuck in the
In two draw-in groove, so when locating snap ring is fixed on front frame set, only when the first salient point is stuck in the first card slot, the second salient point is stuck in
It could be installed successfully in second card slot, ensure that the correct installation of locating snap ring, and not can rotate after locating snap ring installation, have preferable
Circumferentially positioned effect, can prevent internal core from reversing, fiber alignment quality is high, optical fiber is not easy displacement, reliable after docking
Property it is high.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention
System.
Fig. 1 is a kind of structural schematic diagram of the first embodiment of outdoor optical fiber connector of the invention；
Fig. 2 is a kind of decomposition texture schematic diagram of the first embodiment of outdoor optical fiber connector of the invention；
Fig. 3 is a kind of structural schematic diagram of second of embodiment of outdoor optical fiber connector of the invention；
Fig. 4 is a kind of decomposition texture schematic diagram of second of embodiment of outdoor optical fiber connector of the invention；
Fig. 5 is a kind of structural schematic diagram of the front frame set of outdoor optical fiber connector of the invention；
Fig. 6 is a kind of schematic cross-sectional view of the front frame set of outdoor optical fiber connector of the invention；
Fig. 7 is a kind of structural schematic diagram of the locating snap ring of outdoor optical fiber connector of the invention；
Fig. 8 is a kind of schematic cross-sectional view of the locating snap ring of outdoor optical fiber connector of the invention；
Fig. 9 is the structural schematic diagram after a kind of two clamping plates assembling of outdoor optical fiber connector of the invention；
Figure 10 is a kind of decomposition texture schematic diagram of two clamping plates of outdoor optical fiber connector of the invention；
Figure 11 is a kind of structural schematic diagram of the clamping plate of outdoor optical fiber connector of the invention；
Figure 12 is the cross section structure schematic diagram after a kind of two clamping plates assembling of outdoor optical fiber connector of the invention；
Figure 13 is a kind of schematic cross-sectional view of the after-frame set of outdoor optical fiber connector of the invention；
Figure 14 is a kind of structural schematic diagram of the crimp rings of outdoor optical fiber connector of the invention；
Figure 15 is a kind of cross section structure schematic diagram of the round tail sleeve of outdoor optical fiber connector of the invention；
Figure 16 is a kind of cross section structure schematic diagram of the flat tail sleeve of outdoor optical fiber connector of the invention.
Specific embodiment
The invention will be further described with attached drawing with the following Examples:
A kind of outdoor optical fiber connector, as shown in Fig. 1 to Figure 16, for connecting external cable 10, comprising: have the first mounting hole
There is the ferrule assembly 31 of the first bulge loop 32, spring 33, little Bai pipe 34, inside to have for 21 front frame set 20, white inner core 30, outside
Locating snap ring 40, crimp rings 45, the fixation device 50 of fixed 10 crust of optical cable, the after-frame of first baffle ring 41 cover 60, tail sleeve 70；Little Bai
Pipe 34 is inserted into the rear end of ferrule assembly 31, and spring 33 is placed on outside little Bai pipe 34, and the of ferrule assembly 31 is withstood in the front end of spring 33
One bulge loop 32, locating snap ring 40 are fastened and connected with white inner core 30, ferrule assembly 31, spring 33 and little Bai pipe 34 be packed into locating snap ring 40 with
White inner core 30 fastens in the first cavity formed, and the first baffle ring 41 is withstood in the rear end of spring 33；The outside of locating snap ring 40 has the
Two bulge loops 43 are provided with the first salient point 23 and the second salient point 24 of different sizes in first mounting hole 21 of front frame set 20, and second
It is provided with the first card slot 431 with the cooperation of the first salient point 23 on bulge loop 43, is provided on the second bulge loop 43 and matches with the second salient point 24
The second card slot 432 closed, locating snap ring 40 are caught in the first mounting hole 21, and the first salient point 23 is stuck in the first card slot 431, and second is convex
Point 24 is stuck in the second card slot 432, and crimp rings 45 are fixed on the tail portion of locating snap ring 40, and fixed device 50 is set to crimp rings 45
Rear；The tail portion of front frame set 20 is threadedly coupled with after-frame set 60；White inner core 30, spring 33, little Bai pipe 34, stops ferrule assembly 31
Rotating ring 40, crimp rings 45 and fixed device 50 are set to front frame set 20 and are formed by the second cavity with after-frame set 60, tail sleeve 70
It is placed on the tail portion of after-frame set 60.
The little Bai pipe 34 of outdoor optical fiber connector of the invention is inserted into the rear end of ferrule assembly 31, and spring 33 is placed on little Bai pipe
Outside 34, the first bulge loop 32 of ferrule assembly 31 is withstood in the front end of spring 33, and locating snap ring 40 is fastened and connected with white inner core 30, lock pin group
Part 31, spring 33 and little Bai pipe 34 are packed into locating snap ring 40 and white inner core 30 fastens in the first cavity formed, the rear end of spring 33
The first baffle ring 41 in locating snap ring 40 is withstood, the first bulge loop 32 and the first baffle ring 41 play position-limiting action to 33 both ends of spring, insert
Core assembly 31 has certain activity in the first cavity, is acted on by the elastic force of spring 33, makes outdoor optical fiber of the invention
The internal structure of connector is stronger reliable.Locating snap ring 40 and crimp rings 45 can be connected through a screw thread, front frame set 20 and after-frame
Set 60 is connected through a screw thread, and screwing operation is convenient, and dustproof and waterproof effect is good.In first mounting hole 21 of front frame set 20
First salient point 23 and the second salient point 24 it is of different sizes, the size of the first card slot 431 is matched with the size of the first salient point 23,
The size of two draw-in groove 432 is matched with the size of the second salient point 24, and the first salient point 23 is stuck in the first card slot 431, the second salient point
24 are stuck in the second card slot 432, so when locating snap ring 40 is fixed on front frame set 20, only when the first salient point 23 is stuck in the first card
Slot 431 is interior, the second salient point 24 is stuck in the second card slot 432 and could install successfully, ensure that the correct installation of locating snap ring 40, and only
Rotating ring 40 not can rotate after installing, and has preferable circumferentially positioned effect, can prevent internal core from reversing, while increasing only
Anti-torsion ability of the rotating ring 40 in front frame set 20, optical fiber is not easy displacement, high reliablity after fiber alignment quality height, docking.
Fixed device 50 can be arranged according to the type of external cable 10, when structure and cooperation circular optical cable cooperation, can be used for solid
Determine circular optical cable；When structure and cooperation ribbon optical fiber cable cooperation, it can be used for fixed ribbon optical fiber cable.
As one embodiment of the present invention, as shown in Figure 1, Figure 2, shown in Figure 15, device 50 is fixed to be placed on crimp rings 45
The fixation cylinder 51 of tail portion, tail sleeve 70 are that inner hole is circular tail sleeve 70.At this point, outdoor optical fiber connector of the invention can be used for
Connect round outdoor optical cable 10.
Preferably, as shown in figure 14, the lateral tail of crimp rings 45 is provided with aluminium ring 47.Cylinder 51 is fixed by circular optical cable
Kev bracing wire inside 10 is tightly crimped in the aluminium ring 47 of 45 rear end of crimp rings, as entire connector and circular optical cable 10
The rear end of main tensile structure, fixed cylinder 51 compresses the crust of circular optical cable 10, and circular optical cable 10 is fixed.Fixed cylinder
51 by the Kevlar wire crimp inside optical cable 10 in aluminium ring 47 because aluminium ring 47 be aluminum material, crimping deformation after
It will not rupture, crimp solid and reliable.
As second of embodiment of the invention, as shown in Fig. 9 to Figure 12, fixed device 50 includes two and is oppositely arranged
Strap 52, third card slot 53 and the first positioning column 54 are provided on the inside of clamping plate 52, the first of one of clamping plate 52 is fixed
Position column 54 is caught in the third card slot 53 of another clamping plate 52, and the first half slot 55, the first half slot are provided on the inside of clamping plate 52
55 both sides are respectively arranged with the second small half slot 56 of radius ratio the first half slot 55, two first semicircles when two clamping plates 52 are fixed
Slot 55 forms 57, two group of second half slot 56 of the first circular hole and forms two the second circular holes 58, and tail sleeve 70 is the tail that inner hole is flat
Set 70.
Fixed device 50 is composed of identical two clamping plates 52, when two clamping plates 52 close up, one of clamping plate 52
The first positioning column 54 be caught in the third card slot 53 of another clamping plate 52.The structure can be used for connecting ribbon optical fiber cable 10, the
One positioning column 54 and third card slot 53 cooperate, and structure is simple, fix two clamping plates 52 with can be convenient；In connection ribbon optical fiber cable 10
When, two the second circular holes 58 clamp two reinforcements of ribbon optical fiber cable 10 respectively, and the first circular hole 57 can be clamped in ribbon optical fiber cable 10
The structure of the reinforcer of the heart and Kraft bracing wire, fixed device 50 is matched with the structure of ribbon optical fiber cable 10, and then well will
Ribbon optical fiber cable 10 is fixed.
Preferably, as shown in figure 11, first glue groove 59, setting in first glue groove 59 are provided in the second half slot 56
There is the first dispensing hole 591, the second dispensing hole 592 is provided in the first half slot 55.Optical cable 10 is clamped in two the second circular holes 58
After reinforcer, two clamping plates 52 can be reinforced out of first dispensing hole 591 plus in glue to first glue groove 59 and optical cable 10 is reinforced
The fixation of part.Equally there is the second dispensing hole 592 in the first half slot 55 simultaneously, it can be by 592 dispensing of the second dispensing hole, in turn
Reinforce its fixation to 10 reinforcer of optical cable, it is not easily to fall off after keeping optical cable 10 fixed, certain drawing can be resisted after optical cable 10 is fixed
Power.
Preferably, fixed device 50 has towards tail portion circumferentially diminishing first as shown in Fig. 9 to Figure 11, Figure 13
Outer peripheral surface 593, after-frame set 60 have towards the circumferentially diminishing through-hole 63 in tail portion, and the Amplitude Ratio that equal length through-hole 63 reduces
The amplitude that first outer peripheral surface 593 reduces is big.Therefore when pulling back optical cable 10, the inner sidewall of after-frame set 60 can be to clamping plate 52
Lateral wall forms compacting, so that more past drop-down folder is tighter, is conducive to reliability of structure.
Preferably, as shown in figures 1 and 3, the tail portion of after-frame set 60 is provided with the band glue heat-shrinkable T bush of fixed external cable
64.The tail portion of after-frame set 60 passes through band 64 pyrocondensation of glue heat-shrinkable T bush on optical cable 10 and after-frame set 60, with glue heat-shrinkable T bush 64
Rear end tightly pyrocondensation prevents water or dust and other impurities from after-frame set on optical cable 10 while further fixing optical cable 10
It is penetrated into the hole of 60 rear ends, keeps the dust and water protection effect of outdoor optical fiber connector of the invention more preferable.
70 sets of the tail sleeve rear ends in after-frame set 60, band 64 pyrocondensation of glue heat-shrinkable T bush its rear outer diameter on after-frame set 60 are greater than
The inner hole of tail sleeve 70 can fix tail sleeve 70 in this way and prevent the infiltration of water or dust and other impurities.
Preferably, as shown in Figures 1 to 4, outdoor optical fiber connector is additionally provided with the first water proof ring 80 and the second water proof ring
81, the inner side edge of the second external screw thread 22 of front frame set 20 is provided with the first capillary groove 25, and the first water proof ring 80 is placed on the first waterproof
In slot 25, the first water proof ring 80 is pressed in the second internal screw thread 61 of after-frame set 60；The front end of after-frame set 60 and front frame set 20 are formed
Second capillary groove 26, the second water proof ring 81 are placed in the second capillary groove 26.
For first water proof ring, 80 banding in the first capillary groove 25 of front frame set 20, after-frame set 60 passes through the threaded hole of its front end
Front frame is locked to cover on the second external screw thread 22 of 20 rear ends, the first water proof ring 80 is pressed in the second internal screw thread 61 of after-frame set 60,
To which the gap location for preventing water or dust and other impurities from connecting from it penetrates into.Second water proof ring, 81 banding is in front frame set 20 with after
Frame set 60 is formed by the second capillary groove 26 after tightening, and water or dust and other impurities can be prevented to penetrate into from top.
Preferably, as shown in Figures 1 to 4, front frame covers 20 prothecas and is equipped with dust cap 90, locking frame is arranged with outside after-frame set 60
92, the tail portion of dust cap 90 is provided with third internal screw thread (not indicating in figure), and the front of locking frame 92 is provided with and spiral shell in third
The corresponding third external screw thread 93 of line (not indicating in figure), third external screw thread 93 screw in third internal screw thread (not indicating in figure), prevent
The inner wall of dirt cap 90 is pressed on the second water proof ring 81.
Second water proof ring, 81 banding is formed by the second capillary groove 26 after front frame set 20 and after-frame set 60 are tightened, and works as lock
When tight frame 92 locks dust cap 90, the inner wall of dust cap 90 is tightly pressed against on the second water proof ring 81, can prevent water or dust etc.
Other impurities are penetrated into from top.
Preferably, as shown in Figures 1 to 4, the tail portion of locating snap ring 40 has the first external screw thread 42, and crimp rings 45 have and the
First internal screw thread 46 of one external screw thread 42 cooperation, the first external screw thread 42 screw in the first internal screw thread 46；Fixed device 50 is set to
The rear of crimp rings 45；The tail portion of front frame set 20 has the second external screw thread 22, and after-frame set 60 has to be cooperated with the second external screw thread 22
The second internal screw thread 61, the second external screw thread 22 screw in the second internal screw thread 61 in, outdoor optical fiber connector, which is additionally provided with both ends, to be had
The connection handle 94 of retainer plate 95, one of retainer plate 95 are placed on outside dust cap 90, another retainer plate 95 is placed on outside tail sleeve 70.
Locating snap ring 40 and crimp rings 45 can be connected through a screw thread, and front frame set 20 and after-frame set 60 are connected through a screw thread, screwing operation
It is convenient, and dustproof and waterproof effect is good.The retainer plate 95 at 94 both ends of connection handle is respectively fitted on dust cap 90 and tail sleeve 70, will be dust-proof
Cap 90 and tail sleeve 70 link together, and take dust cap 90 when in use, and dust cap 90 will not be fallen, and lock 92 sets of frame rear
Outside frame set 60,95 sets of retainer plate of lower end connection handle 94 can prevent locking frame 92 from falling downwards in tail sleeve 70, make structure more
Reliably.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (10)
1. a kind of outdoor optical fiber connector, for connecting external cable characterized by comprising before there is the first mounting hole
Ferrule assembly with the first bulge loop of frame set, white inner core, outside, spring, little Bai pipe, the internal locating snap ring with the first baffle ring,
Fixation device, the after-frame set, tail sleeve of crimp rings, the fixed optical cable；
The little Bai pipe is inserted into the rear end of the ferrule assembly, and the spring is placed on outside the little Bai pipe, the front end of the spring
The first bulge loop of the ferrule assembly is withstood, the locating snap ring is fastened and connected with the white inner core, the ferrule assembly, the bullet
Spring and the little Bai pipe are packed into the locating snap ring and the white inner core fastens in the first cavity to be formed, the rear end top of the spring
State the first baffle ring in residence；
The outside of the locating snap ring has the second bulge loop, is provided in first mounting hole of the front frame set of different sizes
First salient point and the second salient point, are provided with the first card slot with first salient point cooperation on second bulge loop, and described second
The second card slot with second salient point cooperation is provided on bulge loop, the locating snap ring is caught in first mounting hole, described
First salient point is stuck in first card slot, and second salient point is stuck in second card slot；
The crimp rings are fixed on the tail portion of the locating snap ring, and the fixed device is set to the rear of the crimp rings；It is described
The tail portion of front frame set is connect with the after-frame external threading；The white inner core, the ferrule assembly, the spring, the little Bai pipe,
The locating snap ring, the crimp rings and the fixed device are set to the front frame set and are formed by the second sky with the after-frame set
Intracavitary, the tail sleeve is placed on the tail portion of the after-frame set.
2. a kind of outdoor optical fiber connector according to claim 1, it is characterised in that: the fixed device is described to be placed on
The fixation cylinder of crimp rings tail portion, the tail sleeve are that inner hole is circular tail sleeve.
3. a kind of outdoor optical fiber connector according to claim 2, it is characterised in that: the lateral tail of the crimp rings is set
It is equipped with aluminium ring.
4. a kind of outdoor optical fiber connector according to claim 1, it is characterised in that: the fixed device includes two phases
To the strap of setting, it is provided with third card slot and the first positioning column on the inside of the clamping plate, the institute of one of them clamping plate
It states the first positioning column to be caught in the third card slot of another clamping plate, is provided with the first half slot on the inside of the clamping plate,
The both sides of first half slot are respectively arranged with the second small half slot of the first half slot described in radius ratio, and two clamping plates are solid
Periodically two first half slots form that the first circular holes, the second half slot forms two the second circular holes, the tail sleeve described in two groups
It is the tail sleeve of flat for inner hole.
5. a kind of outdoor optical fiber connector according to claim 4, it is characterised in that: be provided in second half slot
First glue groove is provided with the first dispensing hole in first glue groove, the second dispensing hole is provided in first half slot.
6. a kind of outdoor optical fiber connector according to claim 5, it is characterised in that: the fixed device has towards tail
Circumferentially diminishing first outer peripheral surface in portion, the after-frame set have towards the circumferentially diminishing through-hole in tail portion, and equal length
The amplitude that first outer peripheral surface described in the Amplitude Ratio that the through-hole reduces reduces is big.
7. a kind of outdoor optical fiber connector according to claim 3 or 6, it is characterised in that: the tail portion of the after-frame set is set
It is equipped with the band glue heat-shrinkable T bush of the fixed external cable.
8. a kind of outdoor optical fiber connector according to claim 7, it is characterised in that: the outdoor optical fiber connector is also set
It is equipped with the first water proof ring and the second water proof ring, the described second externally threaded inner side edge of the front frame set is provided with the first waterproof
Slot, first water proof ring are placed in first capillary groove, and first water proof ring is pressed on described the second of the after-frame set
In internal screw thread；The front end of after-frame set and the front frame cover to form the second capillary groove, and second water proof ring is placed on described the
In two capillary grooves.
9. a kind of outdoor optical fiber connector according to claim 8, it is characterised in that: the front frame set protheca is equipped with dust-proof
Cap, the after-frame set is outer to be arranged with locking frame, and the tail portion of the dust cap is provided with third internal screw thread, the front of the locking frame
It is provided with third external screw thread corresponding with the third internal screw thread, the third screws into the third internal screw thread, institute
The inner wall for stating dust cap is pressed on second water proof ring.
10. a kind of outdoor optical fiber connector according to claim 9, it is characterised in that: the tail portion of the locating snap ring has
First external screw thread, the crimp rings have the first internal screw thread cooperated with first external screw thread, and described first screws into
In first internal screw thread；The tail portion of the front frame set has the second external screw thread, and the after-frame set has and the described second outer spiral shell
Second internal screw thread of line cooperation, described second screws into second internal screw thread；The outdoor optical fiber connector is also set
It is equipped with the connection handle that both ends have retainer plate, one of them described fixed trap is in outside the dust cap, another described fixation
Snare is in outside the tail sleeve.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216847.8A CN109270639B (en) | 2018-10-18 | 2018-10-18 | Outdoor optical fiber connector |
| PCT/CN2018/113983 WO2020077700A1 (en) | 2018-10-18 | 2018-11-05 | Outdoor optical fiber connector |
| US16/835,197 US11092752B2 (en) | 2018-10-18 | 2020-03-30 | Outdoor optical fiber connection assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216847.8A CN109270639B (en) | 2018-10-18 | 2018-10-18 | Outdoor optical fiber connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109270639A true CN109270639A (en) | 2019-01-25 |
| CN109270639B CN109270639B (en) | 2024-02-20 |
Family
ID=65193410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811216847.8A Active CN109270639B (en) | 2018-10-18 | 2018-10-18 | Outdoor optical fiber connector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109270639B (en) |
| WO (1) | WO2020077700A1 (en) |
Cited By (4)
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| CN110244410A (en) * | 2019-06-12 | 2019-09-17 | 菲尼克斯亚太电气（南京）有限公司 | A kind of optical fiber connector |
| CN110346876A (en) * | 2019-06-21 | 2019-10-18 | 中航光电科技股份有限公司 | A kind of optical fiber connector plug shell and optical fiber connector plug |
| WO2021082671A1 (en) * | 2019-10-28 | 2021-05-06 | 华为技术有限公司 | Pre-connector and communication device |
| US20210181432A1 (en) * | 2019-07-26 | 2021-06-17 | Huawei Technologies Co., Ltd. | Optical Fiber Sub-Assembly and Optical Fiber Connector |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020077700A1 (en) | 2020-04-23 |
| CN109270639B (en) | 2024-02-20 |
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