A kind of optical fiber connector plug and multi-fiber connector
Technical field
The present invention relates to the joints of optical fibre, more particularly, relate to a kind of multi-fiber connector plug and multi-fiber connector.
Background technology
Naked fibre on existing optical fiber connector plug is all directly expose the inserted terminal with optical fiber connector plug, carrying, in use technology process, be easy to encounter naked fibre, cause losing of naked fibre, naked fibre after losing is when inserting orchestration, the loss of signal that the joints of optical fibre can be caused to transmit becomes large even signal interruption, and this has had a strong impact on normal job stability, adds maintenance cost.
The optical fiber connector plug at the two ends of existing multi-fiber connector is when inserting adapter, naked fibre on two optical fiber connector plugs is ensured with coordinating of pilot hole by guide pin, in application process, optical fiber connector plug lock pin pilot hole and guide pin plug can produce wearing and tearing, thus cause accuracy of alignment bad, cause two optical fiber connector plugs after such insertion, two ends lock pin centering is inaccurate, cause interruption or the instability of communication signal, and then harmful effect can be produced to normal communication.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of optical fiber connector plug and multi-fiber connector of improvement.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of optical fiber connector plug, comprise inserted terminal, and described inserted terminal comprises a longitudinal jack planted for optical fiber end; This optical fiber connector plug also comprises naked fibre protecting device and elastic device; Described naked fibre protecting device comprises a through hole that is corresponding with described longitudinal jack, that pass for the naked fibre of described optical fiber end, and can a protective position in the longitudinal direction of described inserted terminal and being installed on moving around on described inserted terminal between a working position; Described elastic device is arranged between described naked fibre protecting device and described inserted terminal, for described naked fibre protecting device provides an elastic force remained in described protective position.
Preferably, described naked fibre protecting device is provided with guide piece, and described guide piece moves around along described naked fibre for described naked fibre protecting device between described protective position and described working position.
Preferably, described guide piece comprises the guidepost be located on described naked fibre protecting device, and described inserted terminal end face is provided with and coordinates pilot hole with described guidepost.
Preferably, described naked fibre protecting device is also provided with stop means, move around in the stroke range of the described naked fibre protecting device of this stop means constraint between described protective position and described working position, described stop means comprises the position limit arm arranged towards described optical fiber connector plug, described position limit arm is provided with draw-in groove, described optical fiber connector plug side be provided with coordinate with described draw-in groove protuberance, described naked fibre protecting device is when protective position, fit in first side of described protuberance and described draw-in groove, described web member protective device is when working position, fit in second side of described protuberance and described draw-in groove.
The present invention solves the technical scheme that another technical matters adopts: provide a kind of multi-fiber connector, comprise adapter and two optical fiber connector plugs, described adapter comprises the second body, described second body two opposite end is respectively equipped with the spliced eye inserted for described optical fiber connector plug, described optical fiber connector plug comprises inserted terminal, and described inserted terminal comprises a longitudinal jack planted for optical fiber end; This optical fiber connector plug also comprises naked fibre protecting device; Described naked fibre protecting device comprises a through hole that is corresponding with described longitudinal jack, that pass for the naked fibre of described optical fiber end, and can a protective position in the longitudinal direction of described inserted terminal and being installed on moving around on described inserted terminal between a working position.
Preferably, described optical fiber connector plug also comprises elastic device, and described elastic device is arranged between described naked fibre protecting device and described inserted terminal, for described naked fibre protecting device provides an elastic force remained in described protective position.
Preferably; described naked fibre protecting device is provided with guide piece; described guide piece comprises the guidepost be located on described naked fibre protecting device; described inserted terminal end face is provided with and coordinates pilot hole with described guidepost, and described guide piece moves around along described naked fibre for described naked fibre protecting device between described protective position and described working position.
Preferably, described naked fibre protecting device is also provided with stop means, move around in the stroke range of the described naked fibre protecting device of this stop means constraint between described protective position and described working position, described stop means comprises the position limit arm arranged towards described optical fiber connector plug, described position limit arm is provided with draw-in groove, described optical fiber connector plug side be provided with coordinate with described draw-in groove protuberance, described naked fibre protecting device is when protective position, fit in first side of described protuberance and described draw-in groove, described web member protective device is when working position, fit in second side of described protuberance and described draw-in groove.
Preferably; optical fiber alignment device is provided with between described two relative spliced eyes; what optical fiber connector plug described in two can freely plug respectively is arranged in the described spliced eye of two opposite ends; described naked fibre protecting device moves to described working position, and described naked fibre relative on optical fiber connector plug described in two is connected one to one by described optical fiber alignment device.
Preferably, described optical fiber alignment device comprises centering piece, described centering piece is provided with some butt holes that adjacent spaces be arranged in parallel, position and the size of the position of described butt hole and size and each described naked fibre are corresponding, the two ends of described butt hole are equipped with guide part, and described guide part is inserted in corresponding described butt hole respectively for described naked fibre.
Preferably, described second body side is provided with the cover plate of fixing described centering piece.
Preferably, described optical fiber connector plug is also provided with at least one elastic arm, at least one elastic arm described is provided with holding section, described holding section and described second body fits are fixed in described spliced eye with what can freely be plugged by described optical fiber connector plug, and described second body side is provided with the bayonet socket coordinated with described holding section.
Implement optical fiber connector plug of the present invention and multi-fiber connector; there is following beneficial effect: by the naked fibre protecting device in the present invention; optical fiber connector plug can be made to be isolated from the outside by naked fibre in a non-operative state protected; external impacts can not be subject to lose; make naked fibre keep normally in application process, avoid owing to losing the normal connection of impact.
Further, centralising device has been increased newly in the adapter of multi-fiber connector, can make the optical fiber connector plug at adapter two ends after insertion adapter, the naked fibre at two ends can make naked fibre insertion docking more accurate under the guiding of centralising device, ensure that the naked fibre at two ends normally connects, make multi-fiber connector more stable in communication process; The naked fibre at two ends is inserted in centralising device and connects, and can prevent the impurity such as dust from falling and connect on naked fibre, avoid impurity to the signal disturbing of naked fibre; There is the guarantee that centralising device is located by connecting to naked fibre, the spacing between adjacent naked fibre can have been reduced, improve the density of naked fibre, increased space availability ratio.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of optical fiber connector plug of the present invention;
Fig. 2 is the exploded perspective view of optical fiber connector plug of the present invention;
Fig. 3 is naked fibre protecting device schematic diagram in Fig. 2;
Fig. 4 is the diagrammatic cross-section of Fig. 1 in protective position;
Fig. 5 is the diagrammatic cross-section of Fig. 1 in working position;
Fig. 6 is multi-fiber connector package assembly schematic diagram of the present invention;
Fig. 7 is the adapter exploded perspective view of multi-fiber connector of the present invention;
Fig. 8 is the adapter structure schematic diagram of multi-fiber connector of the present invention;
Fig. 9 is multi-fiber connector assembled state diagrammatic cross-section of the present invention;
Figure 10 is centering piece structural representation in Fig. 7.
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
Optical fiber connector plug in the embodiment of the present invention shown in Fig. 1 and Fig. 2, comprises the first noumenon 10, and the first noumenon 10 comprises inserted terminal 11, and inserted terminal 11 is provided with the longitudinal jack planted for optical fiber end.One end that optical fiber 20 stretches out inserted terminal 11 be row's adjacent spaces be arranged in parallel some naked fine 21, naked fine 121 in longitudinal jack in cantilevered, and stressed meeting is freely micro-curved in longitudinal jack.This optical fiber connector plug is also provided with naked fibre protecting device 30, is installed on inserted terminal with moving around between its protective position in the longitudinal direction of inserted terminal and a working position.
As shown in Figures 2 to 5, in certain embodiments, naked fibre protecting device 30 comprises fender 31, guide piece 32, elastic device 33 and stop means 34.Fender 31 and the opposing parallel setting of inserted terminal 11, fender 31 be provided with corresponding with longitudinal jack, for naked fine 21 through holes passed 311 of optical fiber 20 end, through hole 311 is vertical slot hole.Be provided with protection walls 312 at the lengthwise edge of through hole 311 towards inserted terminal 11, inserted terminal 11 is provided with the escape groove 111 corresponding with protection walls 312, is inserted in escape groove 111 for protection walls 312.The naked end of fine 21 can be stretched out a little through through hole 311, also through the position of through hole 311 at contiguous fender 31, can not lose by foreign impacts to play protection naked fine 21.
Execute in example at some, guide piece 32 comprises to be located at towards two guideposts 321 that inserted terminal 11 is arranged on fender 31, and these two guideposts 321 are symmetrically set in the both sides of fender 31, and the guide direction of guidepost 321 is consistent with naked fine 21 direction of insertion.Inserted terminal 11 is provided with the pilot hole 112 with two guidepost 321 corresponding matching, by the cooperation of guidepost 321 and pilot hole 112, naked fibre protecting device 30 is moved around between protective position A and working position B along naked fine 21.Naked fibre protecting device 30 is when protective position A, and naked fine 21 are housed in through hole 311; Naked fibre protecting device 30 is when working position B, and naked fine 21 stretch out in through hole 311, and naked fibre protecting device 30 is in inserted terminal 11 end face side; When putting on naked fibre protecting device 30 without external force, naked fibre protecting device 30 is repositioned to protective position A by elastic device 33.
Execute in example at some, elastic device 33 comprises the elastic component be located between fender 31 and the first noumenon 10, and in the present embodiment, elastic component is spring, and in other embodiments, elastic component also can be the elastic body that other such as elastic force posts etc. have compressible rebound characteristics.Fender 31 is provided with the first positioning boss 331 towards inserted terminal 11, and elastic component one end is set on the first positioning boss 331.The first noumenon 10 is provided with the storage tank 113 placing elastic component; the second positioning boss 114 with the first positioning boss 331 relative spacing is provided with in storage tank 113; the other end of elastic component is set on the second positioning boss 114, to be fixed between fender 31 and the first noumenon 10 by elastic component.
Again as shown in Figure 1 to Figure 3, in certain embodiments, stop means 34 is included in the position limit arm 341 towards the first noumenon 10 setting on fender 31, is provided with draw-in groove 342 inside position limit arm 341.The side of the first noumenon 10 is provided with the protuberance 115 coordinated with draw-in groove 342; naked fibre protecting device 30 is when protective position A; protuberance 115 is fitted with the first side 343 of draw-in groove 342, and naked fibre protecting device 30 is when working position B, and protuberance 115 is fitted with the second side 344 of draw-in groove 342.In the present embodiment, position limit arm 341 and protection walls 312 are located at the naked both sides of fine 21 respectively, better to protect naked fine 21.
As shown in Figure 6 to 8, be the embodiment that optical fiber connector plug in a upper embodiment is applied on multi-fiber connector.This multi-fiber connector comprises optical fiber connector plug, adapter 40, and this adapter 40 comprises the second body 41, optical fiber alignment device 42, cover plate 43 and panel and buckles 44.
Second body 41 liang opposite end is respectively equipped with the spliced eye 411 inserted for optical fiber connector plug, optical fiber alignment device 42 is arranged between two spliced eyes 411, the side of the second body 41 is provided with the installing port 412 being convenient to installing optical fibres centralising device 42, and by cover plate 43, optical fiber alignment device 42 pressing is located, cover plate 43 and the second body 41 are fixed, and the periphery that 44 are fastened on the second body 41 buckled by panel.
As shown in Figure 9; in certain embodiments; what two optical fiber connector plugs can freely plug is arranged in the spliced eye 411 at two ends; after insertion spliced eye 411; naked fibre protecting device 30 moves to working position B from protective position A; meanwhile, two optical fiber connector plugs relative naked fine 21 are connected one to one by optical fiber alignment device 42.
As shown in Figure 10, in certain embodiments, optical fiber alignment device 42 comprises centering piece, and centering piece is rectangular structure, and it is provided with the parallel some butt holes 421 of adjacent spaces, the position of butt hole 421 and size corresponding with the naked position of fine 21 and size.Be equipped with guide part 422 at the two ends of butt hole 421, be inserted in corresponding butt hole 421 respectively for naked fine 21, the naked fine 21 docking connections in optical fiber alignment device 42 at two ends.In the present embodiment, guide part 422 is chamfer, and in other embodiments, guide part 422 also can be fillet or globoidal structure.
Again as shown in Figure 9, in certain embodiments, optical fiber connector plug is provided with an elastic arm 12, this elastic arm 12 is located on the side that optical fiber connector plug coordinates with spliced eye 411, elastic arm 12 is provided with body 41 side, holding section 121, second and is provided with the bayonet socket 413 coordinated with holding section 121.After optical fiber connector plug inserts spliced eye 411, holding section 121 coordinates to be fixed on by optical fiber connector plug in spliced eye 411 with bayonet socket 413, by pressing elastic arm 12, holding section 121 and bayonet socket 413 can be made to get loose, to be extracted in spliced eye 411 by optical fiber connector plug.
Understandable, above-mentioned each technical characteristic can combination in any use and unrestricted.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.