CN101278220B - Optical fibre connection devices - Google Patents
Optical fibre connection devices Download PDFInfo
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- CN101278220B CN101278220B CN2006800367616A CN200680036761A CN101278220B CN 101278220 B CN101278220 B CN 101278220B CN 2006800367616 A CN2006800367616 A CN 2006800367616A CN 200680036761 A CN200680036761 A CN 200680036761A CN 101278220 B CN101278220 B CN 101278220B
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Abstract
The present invention provides an optical fibre connection device comprising a part (103) of a screw-threadless multi-part (101, 103) optical fibre cable connector (100), the multi-parts (101, 103) of the connector (100) being inter-connectable, the part (103) comprising a body (102), the body (102) comprising : an optical fibre cable connection end (105) for connection with an optical fibre cable (106); a part connection end (104) for connection with another part (101) of the multi-part optical fibre cable connector (100); and one or more formations (113) adapted to co-operate with a retainer (213, 313) in a mounting (200, 300) for the connector (100), the mounting (200, 300) used to retain the optical fibre cable (106) and the connector (100) when the optical fibre cable (106) is connected to the optical fibre cable connection end (105) of the body (102), the formations (113) adapted to co-operate with the mounting retainer (213, 313) to resist rotational and/or axial movement of the connector (100) when the connector (100) is assembled with an optical fibre cable (106) and the other parts (103, 101) of the connector (100) and mounted in the mounting (200, 300).
Description
Invention field
The present invention relates to be used to form and the novel optical fiber coupling arrangement that promotes that optical fiber is connected, especially the following running line line from the telecommunications optic network to the user connects, and is referred to as " Fiber to the home " sometimes (FFTH).These devices can promote the physical connection of Connectorized fiber optic cabling in the optical fiber transmission network.
New optical fiber splicing device according to the present invention includes, but is not limited to:
(I) the new derivative products of the Connectorized fiber optic cabling joint that known LC joint or its itself are known, these connections can promote the physical connection of optical fiber to connecting terminal in fiber optic network;
(II) traction cover, its be used for tow attachmentization (connectorised) thus Connectorized fiber optic cabling pass conduit and lead to the equipment of described cable the fiber optic network that is connected to.The Connectorized fiber optic cabling of these jointizations is the Connectorized fiber optic cablings that have been connected to fibre-optical splice (such as (for example) LC joint), and this joint can promote the connectivity of Connectorized fiber optic cabling in the fiber optic network; And
(III) pivotable fabricated section, it advantageously can be used for carrying the intensive Connectorized fiber optic cabling joint that uses in the fiber optic network.
Fiber optic network uses the optical fiber that is included in the Connectorized fiber optic cabling to be used as data transfer path.These networks have the application of a lot of data transmission, use comprising telecommunications.These data transmission networks may not comprise Connectorized fiber optic cabling and associated device, can utilize the non-optical fiber transmission path of other type on the contrary.
Background of invention
The threaded connector and the traction cover that are used for Connectorized fiber optic cabling are set forth in United States Patent (USP) 6579014 and 6648520, in " Corning Cable System ", but it is relatively costly, and installation process is slower, in the time will making a large amount of this connection, this just becomes a serious commercial disadvantage.One or more aspect of the present invention and embodiment provide a kind of with low cost, easy-on joint.
Summary of the invention
According to first aspect, the invention provides a kind of optical fiber splicing device, it comprises parts in the multi-part formula Connectorized fiber optic cabling joint, and a plurality of parts in this joint can be connected to each other, and these parts comprise body, and this body comprises:
Be used for the Connectorized fiber optic cabling link that is connected with Connectorized fiber optic cabling;
The parts link, it is used for being connected with another parts of this multi-part formula Connectorized fiber optic cabling joint; And
One or more be suitable for this joint fabricated section in the crew-served structure of retainer, this fabricated section be used for when Connectorized fiber optic cabling is connected to the Connectorized fiber optic cabling link of this body, keeping this Connectorized fiber optic cabling and joint, described structure be suitable for this fabricated section retainer co-operating with together and stop the rotation and/or the axially-movable of this joint when being installed in the fabricated section with this joint and Connectorized fiber optic cabling and other component-assembled of joint.
This device can comprise multi-part formula Connectorized fiber optic cabling joint, this multi-part formula Connectorized fiber optic cabling joint have can with mode (preferably slidably) the interconnected forepiece of back part promoting, wherein the back part of this joint is attached to the front end (preferably become with the body front end whole) of body, and this body has and is used for the back link that is connected with Connectorized fiber optic cabling; And this body has one or more maintenance structures, this one or more maintenances structure be suitable for fabricated section in the maintaining body co-operating, this fabricated section maintaining body is used for keeping this joint and Connectorized fiber optic cabling when being connected to this body, described body keep structure in use with rotation and/or the axially-movable of this fabricated section maintaining body co-operating with prevention joint when assembling and when being installed in the fabricated section.
This joint can be the multi-part formula does not have the screw thread fibre-optical splice, and the mode that its parts can discharge is connected to each other and need not relatively to rotate each parts in this multi-part formula joint.
These one or more structures can comprise one or more pairs of (for example, two pairs) the parallel platform of general planar, each is on the opposite side that all is formed on the circular body.Described structure can comprise a pair of be positioned in the circumference body groove along the opposed stop dog component of diametric(al).
This device can comprise some drag structures, and described drag structure can be passed the conduit that leads to fiber plant with the tow attachment Connectorized fiber optic cabling by the engagement of Connectorized fiber optic cabling traction cover.
This joint can be suitable for to one or more similar or roughly the same joints closely abreast and almost parallel remain in this fabricated section.This fabricated section can be and is used for the Connectorized fiber optic cabling traction cover that the tow attachment Connectorized fiber optic cabling passes conduit, and described conduit leads to fiber plant, and these one or more structures are suitable for remaining in the retainer of Connectorized fiber optic cabling traction cover.These fabricated sections can be according to a second aspect of the invention.Under this kind situation, this fabricated section is the interim fabricated section that is used for joint is drawn to permanent fitting operation configuration/position.In other embodiments, this fabricated section can be the permanent fabricated section that fabricated section is provided in operative configuration.This fabricated section can be suitable for this joint and one or more similar or roughly the same joints closely abreast and almost parallel keep together.
These one or more structures can be suitable for remaining in the fabricated section, and at least two multi-part formula joints wherein are installed.These fabricated sections can be according to third aspect present invention.This fabricated section retainer can comprise the opposed jaw of being arranged to described unit architecture adjacency.These parts can be arranged to comprise parts in the joint of two or more parts.This joint can be the LC joint.Described joint component can use sliding action to be connected to each other, and can comprise and can discharge latch gear, and it meshes so that described parts are retained on together.
This Connectorized fiber optic cabling link can be set to be crimped onto on the Connectorized fiber optic cabling.
This Connectorized fiber optic cabling link can comprise one or more tongue pieces, but these one or more tongue pieces are arranged to deflection when being inserted in the Connectorized fiber optic cabling link at Connectorized fiber optic cabling and the engagement of the sleeve pipe of Connectorized fiber optic cabling, alleviate (strain relief) and prevent that Connectorized fiber optic cabling from reversing thereby improve strain.These one or more tongue pieces can comprise that some tongue pieces along the diametric(al) opposite disposed are right.
This Connectorized fiber optic cabling link can comprise the slot that is set to admit the Connectorized fiber optic cabling stiffener.This slot can be L shaped.This Connectorized fiber optic cabling link can comprise the pyrocondensation sleeve, thereby can realize being tightly connected to Connectorized fiber optic cabling by pyrocondensation.
This body can be arranged to comprise centrum, and the optical fiber that this centrum is set to be comprised in the guiding fiber cable passes this body and outwards leads to another parts of multi-part formula joint.
This joint can be parts in the multi-part formula Connectorized fiber optic cabling that is set to slip in use in the fabricated section retainer.This joint can be set to snap fit onto in use parts in the interior multi-part formula Connectorized fiber optic cabling of fabricated section retainer.
These parts can be made of metal fully.But this Connectorized fiber optic cabling link can be made by the crimping metal, and this body can be made by non-crimping plastics.
This body can comprise optical fiber tube, and this optical fiber tube is set to respect to the one or more optical fiber that accommodate Connectorized fiber optic cabling individually in the Connectorized fiber optic cabling sheath.This body can comprise and be used for glue is inserted body interior to realize the Connectorized fiber optic cabling bonding is attached to the aperture of body interior.
The present invention also provides a kind of multi-part formula joint, and it comprises the parts according to first aspect.This multi-part formula joint can comprise the pyrocondensation sleeve, and this pyrocondensation sleeve is attached to the optical fiber link parts according to the parts of first aspect.
According to second aspect, the invention provides a kind of optical fiber splicing device, it comprises and is used for the traction cover that the traction optical fiber joint passes conduit, this traction cover is connected with traction attaching member, tow can be attached to this traction attaching member, and this traction attaching member can be with respect to this lid around an axis rotation that roughly is positioned on this lead.
This traction cover can comprise some maintenances structure, and described maintenance structure is suitable for parts in abutting connection with this joint so that joint is retained in this traction cover securely.This traction cover can comprise that but two or more center on joint and assemble this joint is encapsulated housing within it with delivery mode.Encapsulation to this joint can be complete package or can be the part encapsulation.These two housings can be independent housing.Described housing can hinge mode be attached to together each other.
But comprising clamp structure, this device this housing is attached to each other together to encapsulate this joint with delivery mode.This device can comprise that but to make described housing fastening encapsulating the clamp structure of this joint with delivery mode each other, and wherein this clamp structure and described housing are set to and can remove this clamp structure from described housing.Described housing is secured to one another together encapsulating described joint but this device comprises clamp structure with delivery mode, and wherein this clamp structure comprises the aperture that this traction attaching member extends through when this traction cover of assembling.
The profile on the inner surface of this lid may be tailored to the outer shape of matched junction, so that this joint is retained in the described housing securely.
In the described housing one can comprise the upright maintenance structure that is positioned on this enclosure interior, described upright maintenance structure be set to the joint outside on the complementary structure engagement to be retained on this joint in the appropriate location and to prevent that when joint is retained in the housing joint from relatively moving with respect to housing.
This device can be set to the package LC joint.This device can be set to encapsulate the device according to first aspect present invention.This joint can be set to be crimped to or additionally be attached to the Connectorized fiber optic cabling with sleeve pipe and/or flexible stretch-resistant member.
According to the third aspect, the invention provides a kind of optical fiber splicing device, it comprises the fibre-optical splice fabricated section, this fabricated section comprises support member and fibre-optical splice shell, this shell is can the pivot mode being attached to this support member to move pivotally between the primary importance and the second place with respect to this support member, this primary importance is that wherein this shell is positioned on this support member or closely adjoins the operating position of this support member, thereby and this second place is that wherein this fibre-optical splice shell can be removed the on-position that allows to be linked into the fibre-optical splice shell at a certain angle from this support member.
This fibre-optical splice shell can be the shell of parts in the multi-part formula Connectorized fiber optic cabling joint.This fibre-optical splice shell can be set to integrally constitute the shell of parts in the multi-part formula Connectorized fiber optic cabling joint.This fibre-optical splice shell can be set to accommodate parts in the multi-part formula fibre-optical splice in dismountable mode.This fibre-optical splice shell can be installed on the pivotal arm, an end of this pivotal arm is set to can the pivot mode being attached to this support member, so that this shell moves between the primary importance and the second place.
This fibre-optical splice can be parts of LC joint.This fibre-optical splice shell can be installed on the pivotal arm, this shell is set to and can moves along this pivotal arm.This fibre-optical splice shell can be installed on the pivotal arm, can move along pivotal arm when this shell is set to be in first installation site.This fibre-optical splice shell can be removed from this support member.
This support member can comprise one or more fabricated section retainers, these one or more fabricated section retainers be set to fibre-optical splice on one or more corresponding structure co-operating with this joint of fixing, with the rotation and/or the axially-movable of prevention joint when this shell is in first installation site, and this shell is set to comprise this joint.
This fabricated section can be set to provide controlled second on-position of this shell, and this controlled second on-position provides the largest motion of leaving primary importance position for this shell, with control linkage to shell end, from the bending of the nearest optical fiber of pivotal point.
This controlled second on-position can be provided by catch arm, and this catch arm is set to stretch out from the pivotal arm that constitutes this shell.
This shell can be set to pivot with respect to this support member by pivoting device, this pivoting device comprises curved retaining member, this curved retaining member is set to extend to beyond the operating surface of this support member, and the pivotal arm that constitutes this shell is set to and can pivots in this curved retaining member.
This shell can be set to pivot with respect to this support member by pivoting device, and this pivoting device comprises curved retaining member, and this curved retaining member and this support member form integral body and extend to beyond this support member operating surface.
This pivoting device can comprise circular pivot member and corresponding curved retaining member, and this circular pivot member is positioned at the place, hub switch side of the pivotal arm that constitutes this shell, and this curved retaining member is set to extend to beyond this support member operating surface.
This shell can be set to pivot with respect to this support member by pivoting device, and this pivoting device comprises the depression that is formed in the support member operating surface, and pivotal arm can pivot and be positioned in this depression.
Second on-position can provide can not be subjected to the on-position that support member disturbs.
This fabricated section can comprise that two or more adjoin the fibre-optical splice shell, and a plurality of shells that adjoin are set to and can move between the primary importance and the second place.
This fabricated section can comprise that two or more adjoin the fibre-optical splice shell, and a plurality of shells that adjoin are set to and can move between the primary importance and the second place, and this second place can provide the interference that can not be subjected to adjoining shell to the access of a shell.
This fabricated section can comprise that two or more adjoin the fibre-optical splice shell, a plurality of shells that adjoin are set to and can move between the primary importance and the second place, and this second place can provide and can not be subjected to being connected to the interference of adjoining the joint Connectorized fiber optic cabling of adjoining shell to the access of a shell.
This fabricated section can comprise that two or more adjoin the fibre-optical splice shell, and a plurality of shells that adjoin are set to and can moving on the common support part, between the primary importance and the second place.
This shell can be set to snap fit onto in the support member that is in first installation site.
The present invention also provides the shell according to third aspect present invention.The present invention also provides the support member according to third aspect present invention.The invention provides a kind of fiber optic network that comprises according to the present invention the optical fiber splicing device of first, second or the third aspect.The optical fiber splicing device that the invention provides a kind of use first, second or third aspect according to the present invention forms the method that optical fiber connects.
One or more aspects of the present invention and embodiment can relate to the multi-part formula does not have the screw thread fibre-optical splice, need not relatively to rotate each parts in the multi-part formula joint but these joints are connected to each other with delivery mode.
The present invention include one or more previous/feature mentioned subsequently, the present invention in independently embodiment and/or aspect and the embodiment and/or the aspect that are various array configurations, no matter whether it mentions with form independent or combination or advocates, and the present invention includes and use the above each person to form the method that optical fiber connects.
The accompanying drawing summary
Hereinafter will be in the mode of example with reference to the accompanying drawing embodiment of graphic extension each side of the present invention in further detail, graphic in:
Figure I-1 to I-20 graphic extension is according to the optical fiber splicing device of first aspect present invention.
Figure I-1 provides the skeleton view of multi-part formula Connectorized fiber optic cabling joint, and it comprises the optical fiber splicing device according to first aspect present invention;
Figure I-2 shows the part section that passes according to two optical fiber splicing device embodiment of first aspect present invention;
Figure I-3, figure I-4 and figure I-5 show the skeleton view according to the optical fiber splicing device embodiment of first aspect present invention separately;
Figure I-6 shows the cross section of passing the embodiment among the figure I-5 when engaging with Connectorized fiber optic cabling;
Figure I-7 shows the cross section of passing according to the optical fiber splicing device embodiment of first aspect present invention, and this optical fiber splicing device comprises pyrocondensation sleeve and inner centrum;
Figure I-8 shows the cross section of passing according to the optical fiber splicing device embodiment of first aspect present invention, and this optical fiber splicing device comprises inner centrum;
Figure I-9 shows the cross section of passing according to another optical fiber splicing device embodiment of first aspect present invention;
Figure I-10 shows the skeleton view according to the optical fiber splicing device of first aspect present invention;
Figure I-11 shows the skeleton view according to assembly element in the optical fiber splicing device of another embodiment of first aspect present invention;
The skeleton view through assembly element of optical fiber splicing device among the figure I-12 displayed map I-11;
The number of assembling steps that relates to during optical fiber splicing device among the figure I-13 graphic extension assembly drawing I-11;
Figure I-14 graphic extension is according to the optical fiber splicing device of the different embodiment of first aspect present invention;
Another view of figure I-15 graphic extension figure I-14 optical fiber splicing device;
The further view of optical fiber splicing device has wherein inserted Connectorized fiber optic cabling among the figure I-16 graphic extension figure I-14;
Two further views of optical fiber splicing device among the figure I-17 graphic extension figure I-14;
The cut-open view of optical fiber splicing device among the figure I-14 is passed in figure I-18 graphic extension;
Figure I-19 is the cross section of passing in order to the element of optical fiber splicing device among the assembly drawing I-14; And
Method step among Fig. 1-2 0 graphic extension assembly drawing I-14 during optical fiber splicing device.
Figure II-1 to II-5 graphic extension is according to the optical fiber splicing device of second aspect present invention, and it comprises traction cover.
Figure II-1 shows according to the part of the traction cover of first aspect present invention with the form of skeleton view and is connected to the joint Connectorized fiber optic cabling of optical fiber splicing device;
Figure II-2 shows the figure II-1 joint optical fiber in the traction cover base components of being housed within according to second aspect present invention;
Figure II-3 shows the base components according to the traction cover of second aspect present invention;
Figure II-4 shows the joint Connectorized fiber optic cabling in the traction cover of being assembled in according to second aspect present invention; And
Figure II-5 demonstration is used and is passed conduit according to the traction cover of second aspect present invention.
Figure III-1 to III-5 graphic extension is according to the optical fiber splicing device of third aspect present invention, and it comprises pivotable fabricated section.
Figure III-1 provides the skeleton view according to the optical fiber splicing device of third aspect present invention, and the joint Connectorized fiber optic cabling is installed on this optical fiber splicing device;
Figure III-2 provides the skeleton view of optical fiber splicing device, and wherein this fabricated section comprises some shells that adjoin with joint Connectorized fiber optic cabling;
Figure III-3 provides the perspective side elevation view according to the joint Connectorized fiber optic cabling of third aspect present invention, and this joint Connectorized fiber optic cabling is connected to the shell that is in second on-position;
Figure III-4 provides the perspective side elevation view according to the joint Connectorized fiber optic cabling of third aspect present invention, and this joint Connectorized fiber optic cabling is connected to the shell that is in first installation site;
Figure III-5 provides the perspective side elevation view according to the shell of third aspect present invention.
Specific embodiment describes in detail
All kinds of optical fiber splicing devices 103,200,300 that show one or more aspects in the accompanying drawing according to the present invention.Let us is considered the embodiment (figure I-1 to I-2) according to the optical fiber splicing device 103 of first aspect present invention earlier.
Graphic extension is according to the example of the optical fiber splicing device 103 of first aspect present invention among the figure I-1 to I-20.These embodiment relate to a kind of elongated terminal and strain relieving apparatus that is used for running line line under the jointization, wherein known multi-part formula LC joint (100, figure I) back part 103 has body 102, and body 102 has the section 105 that can be crimped to or additionally be connected to cable 106 by the mechanical fastening system of arbitrary type.
Can from figure I-1, find out, but multi-part formula LC joint 100 comprises two parts that snap fit together with delivery mode: preceding end fitting 101 and rear cable link 103.Preceding end fitting 101 has lasso 191, and the bare fibre 178 in the Connectorized fiber optic cabling 106 can be attached to this lasso.The entity contact (contact maintains between two interlock lassos that use springs 190) that lasso 191 makes it possible in known manner by each lasso end is connected to another optical fiber (not shown) with optical fiber 178 optics.
Though but the embodiment of figure among the I-1 provides the parts that are clasped with delivery mode (its can interlock mutually under the situation that need not rotary part 101 relatively and 103), but in other configuration, but forepiece and back part 101,103 screw fit, crimping or glued together perhaps utilize the combination or the modification of these methods.
A first aspect of the present invention is made amendment to back part 103, back part 103 can be considered as an optical fiber splicing device.Therefore, the explanation of front will concentrate on the details of rear cable link 103 and be not the details of end fitting 101 before concentrating on.
As scheme to find out among the I-1 that rear cable link 103 comprises main body 102.This body comprises preceding terminal 104, but preceding terminal 104 can snap fit onto in the end fitting 101 with delivery mode.Rear cable link 103 also comprises Connectorized fiber optic cabling link 105, Connectorized fiber optic cabling link 105 be positioned at preceding terminal 104 opposed ends on.Connectorized fiber optic cabling link 105 is suitable for admitting Connectorized fiber optic cabling 106.Body 102 and is roughly cylindrical between cable link 105 and terminal link 104.
The cable link 105 of body 102 comprises cable strain alleviation feature, and this cable strain is alleviated feature and comprised in order to cable 106 is attached to the crimping part (scheming I-3) of body 102.For example, as described in our WO-A-2005/073767, strain is alleviated to connect and also can (or as another selection) be formed on joint-connector interface place (just, the interface between the parts 101 and 103), perhaps is formed on arbitrary interface therebetween.As shown, this crimping part can be incorporated in the body 102, and perhaps it can be the stretch-proof stiffener that can be used for Connectorized fiber optic cabling and is crimped onto independent crimping eyelet (105 ', figure I-11) on the body 102.
In one embodiment, provide L-shape slot (107, figure I-4) to admit cable 106 stiffener 108 and before body 102 is crimped onto on the cable 106 folding this stiffener.In preferred crimping is provided with, tongue piece (109, figure I-5 and the I-6) punching press of crimping eyelet (crimp rings) 105 can be alleviated and prevented that cable is at the joint body intort to improve strain to the cable sleeve pipe.
Randomly, can use pyrocondensation sleeve (110, figure I-7 and figure I-11, figure I-12) that cable 106 is sealed to joint (optical fiber splicing device) body 102, and pyrocondensation sleeve 110 can improve the sidepiece load-bearing capacity of strain alleviation and cable.
In another embodiment, shown in arrow 111 among figure I-8 and the I-9, the indoor design of body (102) can make optical fiber (112) to guide well in the lasso that enters joint body 102.
The example illustrated of joint body 102 comprises the structure/feature that has fastening and orientation concurrently, and it is the form of flat platform 113 and is positioned on the opposite side of circular body 102 so that body 102 is aimed at the complementary part of optical fiber splicing device.This design can realize using the joint installation procedure of standard, and need not special erecting tools, thereby reduces complicacy and the convenient termination and the jointization of running line line down, when using the LC joint especially true (but not getting rid of other situation).
The end of platform 113 is ridge bodies 115.When the cable link (for example is retained on fabricated section retainer (jaw) 213,313, those retainers that can find in the optical fiber splicing device aspect second and third 200,300 according to the present invention) in the time of in, ridge body 115 can stop cable link 103 to move along lead.Ridge body 115 can adopt and form the disc format (figure I-11 and figure I-12) of extending from body 102 outward radials.
The assembling of graphic extension optical fiber splicing device 103 among the figure I-13.Slip pyrocondensation sleeve 110 and crimp rings 105 ' on Connectorized fiber optic cabling 106.Then, peel off cable 106 to expose optical fiber 178 and Kevlar 179.Use syringe epoxy resin glue to be applied to lasso 191, thereby fiber 178 is fastened to lasso 191 by plastic tube 192.Then, the Kevlar sheath 179 that exposes is positioned on the outside of device 103, and the crimp rings 105 ' of on sheath 179, sliding and inserting.Then, crimp rings 105 ' is carried out crimping, after this pyrocondensation sleeve 110 is installed in a usual manner.
Another embodiment that shows optical fiber splicing device 103 (rear cable link just) among the figure I-14 to I-20.In these embodiments, fastening and directional structure 113 comprises that the circumferential registration that centers on fittings body 102 is at the stop dog component (only showing a structure 113 among the figure I-14 to I-20) along diametric two opposed locations places.These stop dog components are formed in the groove 170 of body 102 circumference formation.These stop dog components prevent its rotation when being set in the retainer of the shape complementarity in device 103 is retained on the fabricated section (not shown).
Provide pore 175 in the back part 103 so that glue can be easily in back part 103 internal flows.The inside of back part 103 comprises adjacent surface 181, and adjacent surface 181 is set to and inserts Connectorized fiber optic cabling 106 (figure I-17, sleeve pipe adjacency I-18) of back part 103.Adjacent surface 181 serves as in order to stop cable 106 further to insert the cable stop device of back part 103.
In use, the Kevlar fiber 179 with Connectorized fiber optic cabling 106 separates with optical fiber 178.Then, the pipe 180 with optical fiber 178 insertion parts 103 separates with fiber 179 to keep optical fiber 178.Fiber 179 therefore be positioned at pipe 180 around.Then, pour into glue so that fiber 179 is glued to back part 103 by aperture 173.Because optical fiber 178 tubular stingers 180 are not so can be polluted by glue.
The assembling of the embodiment of graphic extension figure I-14 among figure I-19 and the I-20.Use the usual manner of before having set forth that lasso 191 is attached to optical fiber 178 about figure I-12.Yet, be not the use crimping, but apply hot-melt adhesive and allow its cooling by aperture 173.Apply cementing agent by aperture 173 and Kevlar sheath 179 can be fastened to the outside of pipe 180 and the inside of joint body 102.Pipe 180 can protect fiber 178 not to be exposed to hot-melt adhesive.
Let us is considered the optical fiber splicing device 200 according to second aspect present invention now.In the case, optical fiber splicing device 200 is traction cover, thereby it is used for tow attachment Connectorized fiber optic cabling 106 and passes conduit 250 and lead to the equipment of described cable with the fiber optic network that is connected to.The Connectorized fiber optic cabling 106 of these jointizations is the Connectorized fiber optic cablings that have been connected to fibre-optical splice (such as the LC joint), and this joint can promote the connectivity of Connectorized fiber optic cabling 106 in the fiber optic network.
Some traction cover aspect of graphic extension second aspect present invention among the figure II-1 to II-5.These aspects relate to elongated cover housing 200 (201a, 201b, 201c), its have be used for jointization under the traction eye 102 that together uses of running line line.Lid 200 is made up of base house 201, top cover housing 201b and the closed hoop folder 201c of band seal.
The base house 201a of this shell has upright fixed component (213, figure II-3), and described upright fixed component engagement is according to the shoulder/platform on the body 102 (figure II-2) of the coupling arrangement 103 of first aspect present invention.Therefore, can not strain optical fiber 106 but tow attachment cable 106 passes conduit 250 or disturb link 101,103, because traction eye 202 and retaining member 213 are positioned on same housing/carrier.Upright retaining member 213 can remain on joint cable 106 among the base house 210a.
Though among the figure II-1 to II-3 base house 201a and top cover housing 201b are shown as the member of separation, but can it be retained on together by the hinge (not shown), thereby this inside that can make it possible to more easily to insert housing can be inserted in the joint Connectorized fiber optic cabling wherein.The hinge of longitudinal axis that for example, can be by being parallel to housing 201a, 201b is retained on housing 201a, 201b together.In such cases, it can be considered as no longer is separated components.
Though among the figure display base housing 201a comprise rotatable traction eye 202 and retaining member 213 both, traction eye 202 and retaining member 213 can be positioned on different housing 201a, the 201b separately.In addition, though having shown closed clamp ring 202 among the figure, thus can these two housings be retained on together with 106 encapsulation of joint Connectorized fiber optic cabling by arbitrary suitable mechanism.This suitable mechanism can comprise the discharged lock pin (not shown) that these two housing 201a, 201b are locked together.
Retaining member 213 has the composition surface that extends along lead.Therefore, when described composition surface contacted with the complementary part 113 of joint 100 outsides, it can be retained on joint along the appropriate position on the big surf zone of lead securely.This can be convenient to fixing joint 100 when conduit 250 is passed in traction cover 200 tractions.
As scheme as shown in the II-4; when covering 200 when being applied to cable end 101,103; just can protect this termination not to be subjected to the influence of moisture, dirt and physical damage, when especially true when preferred sealing gel is set between housing parts 201a, the 201b and between housing entry port and cable.Cover in 200 the inner chamber, owing to unnecessary gel can be extruded into so this gel can remedy the difference of cable diameter.
Cover 200 reusable and its can be independent of joint/crimping set of terminal component 100 and supply, and between the installation period of running line line down, after the pulling cable passes conduit 250, just it fully can be removed.But these functions are by providing with two interlock housing 201a, the 201b that delivery mode is retained on together by dismountable closed hoop folder 201c.Folder 201c has two opposed arms 205,206, but its each all be set to the corresponding exterior face of described housing on crew-served structure 207 mesh with delivery mode.
Folder 201c also comprises the aperture, traction eye 202 extensible this apertures of passing of base house 201a when assembling traction cover 20.By the general tool (for example, screwdriver) that uses, just can from housing, remove folder 201c releasedly.Using screwdriver through suitable 215 places, aperture of location, can mention one or more in the opposed arm 205,206 and break away from engagement with its corresponding housing 201a, 201b.
Even this lid be sized to when conduit 250 around less than the radius bend of 150mm the time also can tow attachmentization (through termination) cable 106 pass the conduit 250 (figure II-5) of diameter less than 30mm.Therefore, lid 200 can be consistent with the cable terminal size of FO joint and standard catheter 250 with the use standard.The favorable characteristics of lid 200 preferably includes shown in the figure: the whole locking mechanism that its shown in the figure can insert from the front; It can be installed under the situation of not using speciality tool; And after removing protection traction cover 200, the feature that the need in the joint 10 are specifically designed to traction can not take any additional volumes.
Let us is considered the optical fiber splicing device according to third aspect present invention now, and wherein this optical fiber splicing device is pivotable fabricated section.Figure III-1 to III-5 carries out graphic extension to these aspects.
Fabricated section 300 is made up of supporting substrate 301 and pivotable member or arm 302, and it is used to keep being attached to down the joint 100 of running line line 106.The simple tube joint 304 of pivotable member 302 supporting known types, pipe adapter 304 are equipped with the forepiece of known LC optic splice (101 among the figure I-1), can find out that its release tab 108 stretches out from pipe adapter 304 from figure III-5.
For example, leave brace table or substrate 301, can be convenient to that this joint cable is connected to the joint component 103 that is contained in the pipe adapter 304 or disconnect and its be connected thereby parts 302 are upwards pivoted by tractive wire 106 upwards.When downward pivotable member 302, preferably, this subassembly can be locked on the brace table 301 by be clasped folder or other maintenance clamping device 308.
As scheme best finding among the III-2, fabricated section 300 comprises upright location member/installation retainer 313, flat platform 113 engagements on this upright location member/installation retainer 313 and the joint Connectorized fiber optic cabling.This can stop the vertical and twisting motion of this body with respect to other joint component in the fabricated section 300.
As scheme among the III-3 indicatedly, preferably, the pivotable member 302 of fabricated section 300 comprises that crooked controlling features (for example, catch arm 310) is with the bending of control dorsal part optical fiber from the base plate joint.This preferred pivoting action can be substituted by parallel motion.
Preferably as indicated among the figure III-5, pipe adapter 304 preferably is installed as it, and lead (freely) is mobile vertically, to prevent producing strain on pipe adapter/connector interface.Therefore, pipe adapter 304 can move along pivotable member 302.
Various aspects of the present invention special (but do not have exclusiveness) are suitable for realizing or helping the installation of running line line under the jointization, connect so that preferably form the user's optical fiber that passes to the fiber optic telecommunications system in box that some optical fiber connect or termination rack are housed.
Claims (23)
1. optical fiber splicing device, it comprises multi-part (101,103) parts (103) in the formula Connectorized fiber optic cabling joint (100), a plurality of parts (101 in the described joint (100), 103) can be connected to each other, described parts (103) comprise body (102), and described body (102) comprising:
Connectorized fiber optic cabling link (105) is used for being connected with Connectorized fiber optic cabling (106);
Parts link (104) is used for being connected with another parts (101) of described multi-part formula Connectorized fiber optic cabling joint (100); And
One or more maintenance structures (113), it is suitable for and the fabricated section (200 that is used for described joint (100), 300) retainer (213 in, 313) co-operating, described fabricated section (200,300) be used for when Connectorized fiber optic cabling (106) is connected to the Connectorized fiber optic cabling link (105) of described body (102), keeping described Connectorized fiber optic cabling (106) and described joint (100), described maintenance structure (113) is suitable for the retainer (213 with described fabricated section, 313) co-operating is to stop the rotation and the axially-movable of described joint (100) when described another parts (101) with the described parts (103) of described joint (100) and Connectorized fiber optic cabling (106) and described joint (100) fit together and be installed in the described fabricated section (200,300); And
Wherein, described one or more maintenance structures comprise the platform that one or more pairs of general planar are parallel, and each is on the opposite side that all is formed on the circular body.
2. device according to claim 1 is characterized in that described joint does not have the screw thread fibre-optical splice for the multi-part formula, but its parts can be connected to each other and need not relatively to rotate each parts in the described multi-part formula joint with delivery mode.
3. device as claimed in claim 1 is characterized in that described device comprises some drag structures, and described drag structure can be passed the conduit that leads to fiber plant with the tow attachment Connectorized fiber optic cabling by the engagement of Connectorized fiber optic cabling traction cover.
4. device as claimed in claim 1 is characterized in that, described joint be suitable for to one or more similar or roughly the same joints closely abreast and almost parallel remain in the described fabricated section.
5. device as claimed in claim 1 is characterized in that, described joint is the LC joint.
6. device as claimed in claim 1 is characterized in that, a plurality of parts of described joint can use sliding action to be connected to each other, and combines and be meshed so that described a plurality of parts are retained on discharged latch gear together.
7. device as claimed in claim 1 is characterized in that, described Connectorized fiber optic cabling link is set to be crimped on the Connectorized fiber optic cabling.
8. device as claimed in claim 1, it is characterized in that, described Connectorized fiber optic cabling link comprises one or more tongue pieces, but described one or more tongue piece is arranged to deflection when being inserted in the described Connectorized fiber optic cabling link at Connectorized fiber optic cabling and the engagement of the sleeve pipe of Connectorized fiber optic cabling, alleviates and prevents that described Connectorized fiber optic cabling from reversing thereby improve strain.
9. device as claimed in claim 8 is characterized in that, described one or more tongue pieces comprise that to be arranged to radially opposed tongue piece right.
10. device as claimed in claim 1 is characterized in that, described Connectorized fiber optic cabling link comprises to be arranged in order to receive the slot of Connectorized fiber optic cabling stiffener.
11. device as claimed in claim 10 is characterized in that, described slot is L shaped.
12. device as claimed in claim 1 is characterized in that, described body is set to comprise centrum, and described centrum is set to guide the optical fiber that is comprised in the described Connectorized fiber optic cabling to pass described body and outside another parts that lead to described multi-part formula joint.
13. device as claimed in claim 1 is characterized in that, described Connectorized fiber optic cabling link comprises the pyrocondensation sleeve, thereby by the salable connection of pyrocondensation realization to described Connectorized fiber optic cabling.
14. device as claimed in claim 1 is characterized in that, described parts are used to be set to slip in use the interior multi-part formula Connectorized fiber optic cabling joint of retainer of described fabricated section.
15. device as claimed in claim 1 is characterized in that, the described parts multi-part formula Connectorized fiber optic cabling joint to the retainer of described fabricated section that is used to be set to be clasped in use.
16. device as claimed in claim 1 is characterized in that, but described Connectorized fiber optic cabling link make by the crimping metal, and described body is made of plastics.
17. device as claimed in claim 3; it is characterized in that; to connect the described Connectorized fiber optic cabling of the described traction cover termination end on the Connectorized fiber optic cabling end, wherein said traction cover is shaped and is adapted to the influence that the described termination of protection is not subjected to moisture, dirt and physical damage
18. a multi-part formula Connectorized fiber optic cabling joint, it comprises device as claimed in claim 1.
19. one kind as each described optical fiber splicing device in the claim 1 to 16, be installed on the fibre-optical splice fabricated section (300), described fabricated section (300) comprises support member (301) and fibre-optical splice shell (304), wherein said shell (304) is set to accommodate parts in the multi-part formula fibre-optical splice in dismountable mode, and can the pivot mode being attached to described support member (301) between the primary importance and the second place, to move pivotally with respect to described support member, described primary importance is that wherein said shell (304) is positioned at the operating position that described support member (301) were gone up or closely adjoined to described support member (301), and the described second place be wherein said fibre-optical splice shell (304) from described support member (301) thus remove the on-position that allows to be linked into described fibre-optical splice shell (304) at a certain angle.
20. device as claimed in claim 19 is characterized in that, described fibre-optical splice shell is installed on the pivotal arm, and described shell can move along described pivotal arm when being set to be in described at least primary importance.
21. device as claimed in claim 19, it is characterized in that, described fabricated section is set to provide the controlled on-position of described shell, described controlled on-position provides the largest motion of leaving described primary importance position for described shell, with control linkage to described shell end, from the bending of the nearest optical fiber of pivotal point.
22. device as claimed in claim 21 is characterized in that, described controlled on-position is provided by catch arm, and described catch arm is set to stretch out from described pivotal point, and is positioned on the pivotal arm that constitutes described shell.
23. optical fiber splicing device, comprise multi-part formula Connectorized fiber optic cabling joint (100), described multi-part formula Connectorized fiber optic cabling joint have can with back part (103) with the interconnected forepiece of the mode that can promote (101), the described back part (103) of wherein said joint is attached to the front end of body (102), and described body has and is used for the back link (105) that is connected with Connectorized fiber optic cabling (106); And described body (102) has one or more maintenance structures (113), described one or more maintenance structure is suitable for and fabricated section (200,300) maintaining body (213 in, 313) co-operating, the maintaining body of described fabricated section is used for keeping described joint and described Connectorized fiber optic cabling (106) when being connected to described body (102), described body keep structure (113) in use with the maintaining body (213 of described fabricated section, 313) co-operating is to stop the rotation and the axially-movable of described joint (100) when assembling and being installed in the fabricated section (200,300).
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0520166.0A GB0520166D0 (en) | 2005-10-05 | 2005-10-05 | Optical fibre connection devices |
| GB0520166.0 | 2005-10-05 | ||
| GB0610877.3 | 2006-06-02 | ||
| GB0610877A GB0610877D0 (en) | 2006-06-02 | 2006-06-02 | Optical fibre connection devices |
| PCT/EP2006/066949 WO2007039585A1 (en) | 2005-10-05 | 2006-10-02 | Optical fibre connection devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101278220A CN101278220A (en) | 2008-10-01 |
| CN101278220B true CN101278220B (en) | 2011-02-09 |
Family
ID=35395241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800367616A Active CN101278220B (en) | 2005-10-05 | 2006-10-02 | Optical fibre connection devices |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101278220B (en) |
| GB (1) | GB0520166D0 (en) |
| ZA (1) | ZA200802974B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7942591B2 (en) * | 2009-04-07 | 2011-05-17 | Tyco Electronics Corporation | Bend limiting boot |
| EP2427791B1 (en) * | 2009-05-08 | 2019-09-25 | ADC Telecommunications, INC. | Cable pulling assembly |
| US8821039B2 (en) | 2009-10-29 | 2014-09-02 | Sumitomo Electric Industries, Ltd. | Optical transceiver having optical receptacle arranged diagonally to longitudinal axis |
| CN102830471B (en) * | 2009-10-29 | 2015-03-25 | 住友电气工业株式会社 | Pluggable optical transceiver and manufacturing method therefor |
| WO2011052802A2 (en) | 2009-10-29 | 2011-05-05 | Sumitomo Electric Industries, Ltd. | Pluggable optical transceiver and method for manufacturing the same |
| US9052477B2 (en) | 2009-10-29 | 2015-06-09 | Sumitomo Electric Industries, Ltd. | Optical transceiver with inner fiber set within tray securing thermal path from electronic device to housing |
| CN102122030B (en) * | 2010-01-08 | 2013-09-25 | Ofs飞泰尔有限责任公司 | Connector cover for outside plant applications |
| EP3490090A1 (en) * | 2010-01-29 | 2019-05-29 | CommScope Connectivity Belgium BVBA | Cable sealing and retaining device |
| JP5390445B2 (en) * | 2010-03-23 | 2014-01-15 | 富士フイルム株式会社 | Optical fiber unit and endoscope |
| WO2012037727A1 (en) * | 2010-09-21 | 2012-03-29 | 深圳日海通讯技术股份有限公司 | Optical fiber connector and assembly methods thereof |
| JP5604409B2 (en) * | 2011-01-19 | 2014-10-08 | 富士フイルム株式会社 | Endoscope |
| CN103168263A (en) * | 2011-10-14 | 2013-06-19 | 华为技术有限公司 | Optical fiber connector and optical communication system |
| WO2012163030A1 (en) * | 2011-10-28 | 2012-12-06 | 华为技术有限公司 | Optical connector socket |
| CN103926666B (en) * | 2014-03-31 | 2016-03-09 | 广州供电局有限公司 | ADSS cable assembly and electrocorrosion protective jacket thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175002A (en) * | 1996-07-15 | 1998-03-04 | 精工电子工业株式会社 | Universal optical fibre connector and basic pluger |
-
2005
- 2005-10-05 GB GBGB0520166.0A patent/GB0520166D0/en not_active Ceased
-
2006
- 2006-10-02 ZA ZA200802974A patent/ZA200802974B/en unknown
- 2006-10-02 CN CN2006800367616A patent/CN101278220B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175002A (en) * | 1996-07-15 | 1998-03-04 | 精工电子工业株式会社 | Universal optical fibre connector and basic pluger |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA200802974B (en) | 2009-10-28 |
| CN101278220A (en) | 2008-10-01 |
| GB0520166D0 (en) | 2005-11-09 |
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