CN101276024A - Optical fiber connection protecting box - Google Patents
Optical fiber connection protecting box Download PDFInfo
- Publication number
- CN101276024A CN101276024A CNA2007100896885A CN200710089688A CN101276024A CN 101276024 A CN101276024 A CN 101276024A CN A2007100896885 A CNA2007100896885 A CN A2007100896885A CN 200710089688 A CN200710089688 A CN 200710089688A CN 101276024 A CN101276024 A CN 101276024A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- tail optical
- stationary installation
- wire cable
- covered wire
- 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 396
- 239000000835 fiber Substances 0.000 claims abstract description 164
- 239000000758 substrate Substances 0.000 claims abstract description 65
- 238000009434 installation Methods 0.000 claims description 186
- 230000002787 reinforcement Effects 0.000 claims description 110
- 230000004807 localization Effects 0.000 claims description 54
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 19
- 239000012858 resilient material Substances 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 14
- 230000000295 complement effect Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 206010058109 Hangnail Diseases 0.000 claims description 3
- 238000012797 qualification Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4471—Terminating devices ; Cable clamps
- G02B6/4477—Terminating devices ; Cable clamps with means for strain-relieving to interior strengths element
-
- 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
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
-
- 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
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2558—Reinforcement of splice joint
-
- 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
- G02B6/3801—Permanent connections, i.e. wherein fibres are kept aligned by mechanical means
- G02B6/3806—Semi-permanent connections, i.e. wherein the mechanical means keeping the fibres aligned allow for removal of the 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4471—Terminating devices ; Cable clamps
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The present invention discloses an optical fiber connection protecting box for connecting the tail fiber of the common indoor optical fiber and the leather-wire optical fiber. The optical fiber connection protecting box comprises the following components: a substrate which includes a locating part of the tail fiber fixing mechanism and a locating part of the leather-wire optical fiber fixing mechanism which are arranged spacing with each other for a certain distance; a bare fiber connection device which connects the common indoor optical fiber and the bare fiber in the leather-wire optical fiber; a tail wire fixing device which is fixed on the locating part of the tail fiber fixing mechanism of the substrate and connects the tail fiber in the common indoor optical fiber, wherein the bare fiber of the tail fiber traverses the tail fiber fixing device with a prearranged length and the bare fiber connecting device executes connection; and a leather-wire fixing mechanism which is fixed on the locating part of the skin-wire optical fiber fixing mechanism of the substrate and is connected with the leather-wire optical fiber, and the bare fiber of the leather-wire optical fiber traverses the leather-wire optical fiber fixing mechanism with a prearranged length and the bare fiber connecting mechanism executes the connection to the bare fiber of the tail fiber. The invention can effectively connect the leather-wire optical fiber with the tail fiber of the common indoor optical fiber and directly fixes the tail fiber through a reinforcing piece in the tail fiber. The leather-wire optical fiber and the tail fiber can be firmly and stably connected, and the fiber core wherein can be effectively protected.
Description
Technical field
The present invention relates to Fibre Optical Communication Technology, more particularly, relate to a kind of optical fiber connection protecting box, in particular for the optical fiber connection protecting box of continue general room optical fiber pigtail and covered wire cable.
Background technology
In commercial building, the changeover mechanism that provides telecommunication closet to be connected with carrier network usually as user in the building.When commercial accounts after telecommunications company application is rented optical fiber broadband access is provided, telecommunications company need carry out physical connection to the optical fiber that links to each other with local side in the commercial building telecommunication closet and commercial accounts' equipment optical port usually.Usually, telecommunication closet to the connection of individual or commercial accounts' equipment optical port adopts general room optical fiber to realize.Fig. 1 is the structural drawing of general room optical fiber.General room optical fiber 100 is made up of 3-tier architecture usually, comprise overcoat or cable cover(ing) 102, be positioned at the fibre core (naked fibre) 106 of core, and between overcoat 102 and fibre core 106, by reinforcement or the reinforcement material 104 that cotton-shaped material constitutes, need explanation, the fibre core shown in Fig. 1 (naked fibre) 106 also comprises the selectable coat 106a that is wrapped in outside the naked glass optical fiber 106, the thickness of this coat 106a can for, for example 900 microns or 250 microns.At least one end at general room optical fiber 100 can connect a connector, and this connector is connected to the optical port of commercial accounts' equipment, and at this moment, the other end of general room optical fiber needs a fibre junction to be connected on the optical cable from local side.Herein, the one section general room optical fiber that is used in the fibre junction will be called as tail optical fiber.
In laying the process of optical fiber since in the building uncertainty of commercial accounts' particular location, the relative complex of arranging of the optical fiber outside line between telecommunication closet and the client.Present operating process was divided into for four steps, at first, the engineering staff investigates and measures the scene, carries out engineering design then, according to the tail optical fiber of drawing customization two ends Belt connector, couple together by the optical port of building interior conduit at last again fiber port in the telecommunication closet and customer equipment.There are some problems in above working specification in real operation:
1) the whole operation flow process is long, because need design, measures, and the customization optical cable all needs the time;
2) each client's position is all uncertain, once all needs to repeat whole flow process so whenever finish, and customizes different optical cables, is unfavorable for stock control and to the service of client;
3) the building interior conduit need be passed with the optical cable that has connector in the scene, the optical fiber that fractures easily in the construction at the scene, and also connector also damages easily.
For the ease of in the building, connecting up or in pipeline, walking optical fiber, develop a kind of covered wire cable at present, with reference to shown in Figure 2, covered wire cable 200 is by intensity and all reasonable rubber-insulated wire overcoat 202 protections of toughness fibre core (naked fibre) 204 wherein.Generally, the optical fiber that is used to communicate by letter all is double joint, therefore comprises 2 fibre cores (naked fibre) 204 at twin-core covered wire cable 200 shown in Figure 2, need to prove that the covered wire cable that uses single core or multicore also is feasible.
Usually, covered wire cable and general room optical fiber need be continued mutually after the connector jumper connection circuit by the optical fiber other end again.In the prior art, provide a kind of connection device of naked fibre, for example the connection device that US2006/0067637 disclosed can continue the naked fibre of two optical fiber mutually.By adopting the connection device of US 2006/0067637, covered wire cable can be continued mutually with naked fibre in the general room optical fiber, on general room optical fiber, connect connector again, finish the laying of optical fiber telecommunications line.
Yet, adopt this connected mode still to have some problems.Connector and optical fiber, for example tail optical fiber and covered wire cable can pass through such as US 4,863, and 235 structures that provided are fixed.With reference to figure 3A, this fixed sturcture comprises sleeve pipe 310, and sleeve pipe 310 comprises flange 312 and shaft portion 314.Form the passage 316 that runs through in shaft portion 314 and flange 312, this passage 316 has tapering, and wherein the direction towards the camber limiter has diminishing diameter.After optical fiber 300 extends to position near flange, the overcoat 306 of optical fiber will be removed and expose reinforcement 304 and fibre core 302.Optical fiber 300 extends through the hole 322 on the wedge-shaped member 320, and this wedge-shaped member 320 is placed in the passage 316 of sleeve pipe 310.This wedge-shaped member 320 is fixed in the tapered channel 316 of sleeve pipe 310 by a thrust nut 330.As shown in Figure 3A, the inwall 332 of thrust nut 330 has screw thread, and this inwall 332 has defined the chamber that receives the shaft portion 314 of sleeve pipe 310, wherein, on the outer wall of the shaft portion 314 of this sleeve pipe 310 screw thread is arranged also.Thrust nut 330 comprises the opening 334 that is positioned at end centre equally.Shown in figure 3B, when thrust nut 330, wedge-shaped member 320 and sleeve pipe 310 are assembled together, the inwall that the outer wall with screw thread of shaft portion 314 and thrust nut 330 have screw thread will mate mutually, form the narrow that thrust is pushed wedge-shaped member 32 in the passage 316 in the shaft portion 314.Like this, reinforcement 304 will be clamped by shaft portion 314 and wedge-shaped member 320.But, thereby the reinforcement 304 in this fixed sturcture may can not be protected fibre core well along moving axially of optical fiber, and fibre core 306 may be impaired in such moving.Because naked fine connection device (disclosing as US 2006/0067637) is not protected the effect of fibre core (naked fibre); when assembly work is not finished well, just can cause the fracture of fibre core (naked fibre) very well and damage optical fiber and whole optical fiber telecommunications line.
So, just need a kind of technology of improved fibre junction.
Summary of the invention
The purpose of this invention is to provide a kind of optical fiber connection protecting box, especially for the optical fiber connection protecting box of continue general room optical fiber pigtail and covered wire cable.
According to the present invention, a kind of optical fiber connection protecting box is provided, at least be used to continue general room optical fiber pigtail and covered wire cable, this optical fiber connection protecting box comprises: substrate, this substrate comprises a tail optical fiber stationary installation localization part and a covered wire cable stationary installation localization part, this tail optical fiber stationary installation localization part and the covered wire cable stationary installation predetermined distance of being separated by; Naked fine connection device is installed on the substrate, the naked fibre in the general room that continues optical fiber and the covered wire cable; The tail optical fiber stationary installation is fixed on the tail optical fiber stationary installation localization part of substrate, connects the tail optical fiber of general room optical fiber, and the naked fibre of tail optical fiber passes the tail optical fiber stationary installation with first predetermined length and continued by naked fine connection device; The covered wire cable stationary installation is fixed on the covered wire cable stationary installation localization part of described substrate, connects covered wire cable, and the naked fibre of covered wire cable passes the covered wire cable stationary installation with second predetermined length to be undertaken continuing with the naked fibre of tail optical fiber by naked fine connection device; The preset distance that wherein said stationary installation localization part is separated by, first predetermined length and second predetermined length are chosen in advance all, make the naked fibre of tail optical fiber and the naked fibre of covered wire cable have the contact force of expectation in naked fine connection device.
According to an embodiment, one end of tail optical fiber connects a connector, the other end of tail optical fiber penetrates the tail optical fiber stationary installation, utilizes the reinforcement of tail optical fiber that described tail optical fiber is fixed on the described tail optical fiber stationary installation by the tail optical fiber stationary installation after removing overcoat, and the naked fibre of tail optical fiber passes the tail optical fiber stationary installation.
According to one embodiment of the invention, described tail optical fiber stationary installation comprises: tail optical fiber reinforcement fixture, the tail optical fiber that has overcoat penetrates first end of tail optical fiber reinforcement fixture, tail optical fiber reinforcement fixture is the overcoat of tail optical fiber fixedly, tail optical fiber utilizes the reinforcement of tail optical fiber that described tail optical fiber is fixed by tail optical fiber reinforcement fixture after removing overcoat, and the naked fibre of tail optical fiber passes from the other end of tail optical fiber reinforcement fixture; The tail optical fiber fixed pedestal cooperates with described tail optical fiber reinforcement fixture, coats and fixing described tail optical fiber.
According to one embodiment of the invention, described tail optical fiber reinforcement fixture comprises: first is one " U " type structure, thus the fixing tail optical fiber of the overcoat that is used to clamp tail optical fiber; Second portion, comprise the clamping plate that are used for fixing naked fibre, and the reinforcement location-plate that is used for fixing reinforcement, wherein, described clamping plate and described reinforcement location-plate form one at interval, thereby reinforcement passes from this interval and have clamping plate and reinforcement location-plate to clamp fixedly reinforcement jointly; The coupling part connects described first and second portion.Preferable, " U " type inner structural wall of the first of described tail optical fiber reinforcement fixture is a broached-tooth design; And this first is made by resilient material, when " U " type structure is subjected to pressure from both sides, draws close to the inside.The one group of clamping plate in the centre position of described second portion, these group clamping plate are close mutually, form naked fine groove in the position, middle and lower part of clamping plate and supply the naked fibre of tail optical fiber to pass through, and form a locating surface in the position, middle and upper part of clamping plate; These clamping plate are to be made by resilient material, thereby when being subjected to the pressure of both sides, draw close the naked fibre that clamps in the naked fine groove to the centre, wherein locating surface is used for determining the degree of clamping plate clamping, and when the locating surface of two clamping plates was in contact with one another, clamping plate just can not drawn close to the centre again; These group clamping plate each side have a reinforcement location-plate, form a gap in the middle of the reinforcement location-plate of each side and the clamping plate, the reinforcement of tail optical fiber penetrates this gap and passes from the rear end from the front end of clamping plate, thereby reinforcement rests in location-plate and the formed gap of clamping plate, this reinforcement location-plate is to be made by resilient material, thereby draws close the reinforcement clamping that will be arranged at interval to clamping plate when being subjected to inside pressure.
According to one embodiment of the invention, have several grooves on the described tail optical fiber fixed pedestal, the first of the corresponding described tail optical fiber reinforcement fixture of difference, the structure of second portion and coupling part, described tail optical fiber reinforcement fixture inserts in the described tail optical fiber fixed pedestal, the first of described tail optical fiber reinforcement fixture, match with the groove of tail optical fiber fixed pedestal respectively in second portion and coupling part, wherein, described groove has down the xsect of " V " type, when first and second portion are inserted in these grooves, the xsect of " V " type of falling will provide to the inside pressure to first and second portion, make described " U " type structure, clamping plate and reinforcement location-plate come closer, and clamp the overcoat of tail optical fiber respectively, reinforcement and naked fibre.
According to one embodiment of the invention, thereby described tail optical fiber stationary installation localization part and tail optical fiber stationary installation have the fixing described tail optical fiber stationary installation of the location structure that is complementary.Preferable, described localization part comprises the location hook that several baffle plates and a resilient material are made, the common space that limits shape, after the tail optical fiber stationary installation is inserted above-mentioned space from the opening of a side, location hook pops up the locating slot that forms horizontal direction, cooperate with four sides of tail optical fiber stationary installation, the fixing horizontal level of tail optical fiber stationary installation, simultaneously, on the side direction baffle plate, also comprise the perpendicular positioning projection, cooperate the upright position of positioning and fixing tail optical fiber stationary installation respectively with the perpendicular positioning groove on the tail optical fiber stationary installation.
According to one embodiment of the invention, have 2 tail optical fiber stationary installation localization parts on the described substrate, fix the tail optical fiber stationary installation more than 1 or 1, and then fix the tail optical fiber of the general room optical fiber more than 1 or 1.
According to one embodiment of the invention, described covered wire cable stationary installation has a groove that supplies covered wire cable to pass, and groove is divided into two sections, in first section, the overcoat of covered wire cable is not removed, in second section, the overcoat of covered wire cable is removed, and exposes naked fibre wherein; In first section of groove, a fixed sturcture is provided, this structure has the shape of " hangnail ", has the thorn of several sensing covered wire cable direction of insertion, after covered wire cable inserts, the overcoat of these thorn fixed bit covered wire cables.
According to one embodiment of the invention, described covered wire cable stationary installation localization part and covered wire cable stationary installation have the location structure that is complementary, thus fixing described covered wire cable stationary installation.Preferable, this localization part comprises the location hook that several baffle plates and a resilient material are made, the common space that limits shape, after the covered wire cable stationary installation is inserted above-mentioned space from the opening of a side, location hook pops up the locating slot that forms horizontal direction, cooperate with four sides of covered wire cable stationary installation, the fixing horizontal level of covered wire cable stationary installation, simultaneously, on the side direction baffle plate, also comprise the perpendicular positioning projection, the perpendicular positioning groove on the covered wire cable stationary installation cooperates the upright position of positioning and fixing covered wire cable stationary installation.
According to one embodiment of the invention, have 2 naked fibres in the described covered wire cable, also comprise the covered wire cable tripping device on the described substrate, be used to separate 2 naked fibres of described covered wire cable.
According to one embodiment of the invention, described covered wire cable tripping device comprises the taper separation member and is positioned at the naked fine guiding groove of taper separation member both sides, described taper separation member with 2 of covered wire cable near naked fine the separation, and guide to described naked fine connection device by naked fine guiding groove.
According to one embodiment of the invention, described optical fiber connection protecting box also comprises the fiber cut annex, cooperates with the fiber cut cutter cutting optical fibre is cut into described first and second predetermined lengths.Such as, this fiber cut annex comprises: base, have a hole on the base, and be used with covered wire cable stationary installation or tail optical fiber stationary installation; The fibre core steady arm is used for supplying fibre core to pass and makes it keep linear state; During use, covered wire cable stationary installation or tail optical fiber stationary installation are put into the hole of base, and fibre core passed from the fibre core steady arm, base is placed on the job platform of fiber cut cutter, make the fiber cut end face to covered wire cable stationary installation or tail optical fiber stationary installation apart from fixed length, satisfy the redirect request of naked fine connection device.
According to one embodiment of the invention, have the localization part that is used for fixing described naked fine connection device on the described substrate, thereby described localization part and naked fine connection device has the fixing described naked fine connection device of the location structure that is complementary.Preferable, this localization part comprises left baffle, link stopper, the common space that forms a qualification shape of the structure that above-mentioned baffle plate and link stopper and substrate have itself, the outline of its size and size and fixing naked fine connection device is complementary, this localization part also comprises the height steady arm, by what set up relatively
With
Template is formed, fixing in vertical direction naked fine connection device.
According to one embodiment of the invention, have the localization part of 2 naked fine connection devices on the described substrate, fix 2 naked fine connection devices, each naked fine connection device continue naked fibre in 1 tail optical fiber and 1 naked fibre in the covered wire cable.
According to one embodiment of the invention, described optical fiber connection protecting box also comprises lid, covers on described substrate, covers described naked fine connection device, tail optical fiber stationary installation and covered wire cable stationary installation.
Adopt technical scheme of the present invention; the tail optical fiber of covered wire cable and general room optical fiber effectively can continue; and by the direct fixing tail optical fiber of the reinforcement in the tail optical fiber; and; mutual interlock by substrate and naked fine connection device, tail optical fiber stationary installation and covered wire cable stationary installation; make the tail optical fiber of covered wire cable and general room optical fiber can be firmly, stably continue, and can effectively protect wherein fibre core (naked fibre).
Description of drawings
It is more obvious that the above and other feature of the present invention, character and advantage will become by the description below in conjunction with drawings and Examples, and identical in the accompanying drawings Reference numeral is represented identical feature all the time, wherein:
Fig. 1 is the structural drawing of general room optical fiber in the prior art;
Fig. 2 is the structural drawing of covered wire cable of the prior art;
Fig. 3 A and Fig. 3 B are the fixed sturctures that is used for fixing optical fiber in the prior art;
Fig. 4 is the structural drawing according to the optical fiber connection protecting box of one embodiment of the invention;
Fig. 5 A is the structural drawing according to the tail optical fiber stationary installation of one embodiment of the invention;
Fig. 5 B is the structure of tail optical fiber reinforcement fixture in the tail optical fiber stationary installation shown in Fig. 5 A;
Fig. 5 C shows the structure of tail optical fiber fixed pedestal in the tail optical fiber stationary installation of Fig. 5 A illustrated embodiment;
Fig. 5 D shows the structure of tail optical fiber reinforcement fixture in the tail optical fiber stationary installation of Fig. 5 B illustrated embodiment;
Fig. 6 A, Fig. 6 B and Fig. 6 C are the structural drawing according to the covered wire cable stationary installation of one embodiment of the invention;
Fig. 7 A is the structural drawing according to the substrate of one embodiment of the invention;
Fig. 7 B shows substrate from another angle;
Fig. 8 is the structural drawing according to an embodiment of the fiber cut part of one embodiment of the invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with drawings and Examples.
Fiber optic closure
The present invention mainly provides a kind of optical fiber connection protecting box; general room optical fiber and covered wire cable are used to continue; with reference to shown in Figure 4; Fig. 4 is the structural drawing according to the optical fiber connection protecting box of one embodiment of the invention, and this optical fiber connection protecting box 400 comprises: substrate 402, at least one tail optical fiber stationary installation 404, at least one optical fibre splice 406, at least one covered wire cable stationary installation 408 and lid 412.
Have a plurality of localization parts on the substrate 402, naked fine connection device fixed part, tail optical fiber stationary installation fixed part and covered wire cable stationary installation fixed part, tail optical fiber stationary installation 404, naked fine connection device 406 and covered wire cable stationary installation 408 are placed into corresponding position on the substrate 402 respectively.
One end of general room optical fiber connects a connector, is used for connecting the optical port (Fig. 4 is not shown) of fiber-to-the-subscriber equipment, and the other end of general room optical fiber extends in the tail optical fiber stationary installation 404.Tail optical fiber stationary installation 404 is inserted on the substrate 402 and fixing tail optical fiber, fibre core in the tail optical fiber (naked fibre) enters naked fine connection device 406 after passing tail optical fiber stationary installation 404 with predetermined length, should predetermined length be exactly first predetermined length, its front end face 405 from tail optical fiber stationary installation 404 be counted.
Covered wire cable is connected in covered wire cable stationary installation 408, covered wire cable stationary installation 408 is inserted on the substrate 402 and fixing covered wire cable, fibre core in the covered wire cable (naked fibre) enters naked fine connection device 406 after passing covered wire cable stationary installation 408 with predetermined length, should predetermined length be exactly second predetermined length, its front end face 409 from tail optical fiber stationary installation 408 be counted.Naked fine connection device 406 continue fibre core (the naked fibre) 106 of tail optical fiber and the fibre core (naked fibre) 204 in the covered wire cable.
Continuation is with reference to figure 4, and naked fine connection device 406 is installed on the substrate 402, the naked fibre in the general room that continues optical fiber and the covered wire cable.Naked fine connection device 406 can adopt any naked fine connection device of the prior art, the mechanical naked fine connection device that is disclosed than US 2006/0067637 as mentioned above, perhaps, the single-core fiber fusion techniques, single-core fiber mechanical connection device in other conventional arts, multi-core fiber fusion techniques and multi-core fiber mechanical connection device.
And, when optical fibre splice of the present invention is used, can select also that any one optical fiber carries out fibre junction in general room optical fiber and the covered wire cable for use at arbitrary end of substrate 402.
According to one embodiment of the invention, also comprised on the shell of these naked fine connection devices 406 be suitable for substrate 402 on the fixed sturcture that is complementary of localization part, this can describe in detail below.
Tail optical fiber stationary installation 404 is fixed on the substrate 402, connects the tail optical fiber of general room optical fiber 100, and the other end of general room optical fiber connects a connector.As in accompanying drawing 5A-5D, describing in detail, for tail optical fiber being placed in the tail optical fiber stationary installation, the overcoat 102 of tail optical fiber need be removed, the tail optical fiber of removing behind the overcoat is utilized the reinforcement of tail optical fiber that tail optical fiber is fixed on the tail optical fiber stationary installation 404 by tail optical fiber stationary installation 404, naked fine 106 of tail optical fiber passes tail optical fiber stationary installation 404 and continued by naked fine connection device 406.According to the present invention, tail optical fiber stationary installation 404 directly utilizes the reinforcement of tail optical fiber to fix tail optical fiber by the reinforcement location-plate, rather than adopt the mode of dead ring to fix tail optical fiber in the employing conventional art, this mode can fixedly the position of tail optical fiber and assurance fibre core (naked fibre) wherein be damaged reliably, and simple to operate, can be implemented in the working-yard and carry out fast fibre and continue.Can introduce the structure of tail optical fiber stationary installation below in detail.
With reference to figure 4, covered wire cable stationary installation 408 is fixed on the substrate 402, connects covered wire cable 200, and naked fine 204 of covered wire cable passes covered wire cable stationary installation 408 and continued by naked fine connection device 406.
Lid 412 covers on substrate 402, covers naked fine connection device 406, tail optical fiber stationary installation 404 and covered wire cable stationary installation 408.Lid 412 and complete fibre junction and the protective device of substrate 405 common formation.With reference to embodiment shown in Figure 4; two optical fiber because this optical fiber connection protecting box 400 is used to continue; therefore on lid 412 and substrate 402, added symbol 412a and the 402a that is used to distinguish optical fiber respectively; in this embodiment; distinguish with " A ", " B ", can certainly use other mark to distinguish.In addition, on the lid shown in this embodiment 412, also comprise scale indication 412b, what be used to measure naked fibre divests length and Cutting Length.
The tail optical fiber stationary installation
Said that above tail optical fiber stationary installation 404 of the present invention directly utilizes the reinforcement of tail optical fiber to fix tail optical fiber by the reinforcement location-plate.Fig. 5 A is the structural drawing according to the tail optical fiber stationary installation of one embodiment of the invention, and Fig. 5 B is the structure of tail optical fiber reinforcement fixture in the tail optical fiber stationary installation shown in Fig. 5 A.And Fig. 5 C shows the structure of tail optical fiber fixed pedestal in the tail optical fiber stationary installation of Fig. 5 A illustrated embodiment; Fig. 5 D shows the structure of tail optical fiber reinforcement fixture in the tail optical fiber stationary installation of Fig. 5 B illustrated embodiment.
Shown in figure 5A, tail optical fiber stationary installation 500 comprises tail optical fiber reinforcement fixture 502 and tail optical fiber fixed pedestal 504.
The tail optical fiber 501 that has overcoat 501c penetrates first end of tail optical fiber reinforcement fixture 502, tail optical fiber reinforcement fixture 502 is the overcoat 501c of tail optical fiber 501 fixedly, tail optical fiber 501 remove utilize tail optical fiber by tail optical fiber reinforcement fixture 502 behind the overcoat 501c reinforcement 501b with tail optical fiber 501 fixing (shown in Fig. 5 B), the naked fine 501a of tail optical fiber 501 passes and is continued by naked fine connection device from the other end of tail optical fiber reinforcement fixture 502.
With reference to figure 5D, Fig. 5 D is the structural drawing of tail optical fiber reinforcement fixture 502, comprising:
First 520 is one " U " type structure, thus the fixing tail optical fiber 501 of the overcoat 501c that is used to clamp tail optical fiber; In the embodiment shown in Fig. 5 A, Fig. 5 B and Fig. 5 D, " U " type inner structural wall of this first 520 is a broached-tooth design, with the fixing ability of tail optical fiber 501 of further reinforcement.And this first is made by resilient material, when " U " type structure is subjected to pressure from both sides, can draw close to the inside, and sawtooth can be bitten the overcoat of tail optical fiber 501, further steps up the overcoat 501c of tail optical fiber.The clamping force that size and layout produced that it should be noted that above-mentioned these parts can not destroyed naked fine 501a.
Tail optical fiber reinforcement fixture 502 also comprises second portion 522, the one group of clamping plate 521 in the centre position of second portion 522, these group clamping plate 521 are close mutually, forming naked fine groove 522a in the position, middle and lower part of clamping plate 521 supplies the naked fine 501a of tail optical fiber 501 to pass through, this naked fine groove 522a has the diameter same with the naked fine 501a of tail optical fiber 501, forms a locating surface 522b in the position, middle and upper part of clamping plate 521.These clamping plate 521 are to be made by resilient material, thereby when being subjected to the pressure of both sides, can draw close the naked fine 501a that clamps among the naked fine groove 522a to the centre, wherein locating surface 522b is used for determining the degree of clamping plate 521 clampings, when the locating surface 522b of two clamping plates 521 is in contact with one another, clamping plate 521 just can not drawn close to the centre again, thereby prevent to press from both sides the naked fine 501a among the bad naked fine groove 522a.Clamping plate 521 each side have a reinforcement location-plate 523, the reinforcement location-plate 523 of each side and the clamping plate 521 middle gap 523a that form, the reinforcement 501b of tail optical fiber 501 penetrates this gap 523a and passes from the rear end from the front end of clamping plate 521, with reference to the direction of arrow indication among the figure 5D, thereby reinforcement 501b rests among location-plate 523 and the clamping plate 521 formed gap 523a.This reinforcement location-plate 523 is to be made by resilient material equally, will be arranged in the reinforcement 501b clamping of 523a at interval thereby can draw close to clamping plate 521 when being subjected to inside pressure.Like this, fix with regard to can simple and easy effective realization carrying out tail optical fiber by the reinforcement 501b of tail optical fiber 501 self, make the pulling force major part that may occur act on that reinforcement 501b goes up rather than fibre core 501a on, thereby the danger of avoiding fibre core to fracture, preferable, this invention is simple to operate, can be implemented in the working-yard and carries out fast fibre and continue.
Among the embodiment shown in Fig. 5 A, Fig. 5 B and Fig. 5 D, tail optical fiber reinforcement fixture 502 also comprises coupling part 524, connects these two parts between first 520 and second portion 522.
As top said, tail optical fiber fixed pedestal 504 is to cooperate with tail optical fiber reinforcement fixture 502 to be used for fixing tail optical fiber.With reference to figure 5C, Fig. 5 C shows the structure of tail optical fiber fixed pedestal 504, with have several grooves 504a on the tail optical fiber fixed pedestal 504 that this tail optical fiber reinforcement fixture 502 matches, 504c and 504b, the first 520 of the corresponding tail optical fiber reinforcement fixture 502 of difference, the structure of second portion 522 and coupling part 524, tail optical fiber reinforcement fixture 502 inserts in the tail optical fiber fixed pedestal 504, the first 520 of tail optical fiber reinforcement fixture 502, match with the groove of tail optical fiber fixed pedestal respectively in second portion 522 and coupling part 524, wherein, groove 504a, the xsect that has down " V " type with 504c, when first 520 and second portion 522 are inserted in these grooves, the xsect of " V " type of falling will provide to the inside pressure to first 520 and second portion 522, make the sidewall of above-mentioned " U " type structure, clamping plate 521 and reinforcement location-plate 523 are all drawn close to the center position of device, clamp the overcoat 501c of tail optical fiber 501 respectively, reinforcement 501b and naked fine 501a.With reference to figure 5C, on tail optical fiber fixed pedestal 504, also has the groove 540 that the naked fine 501a for tail optical fiber 501 passes through.In some instances, the opposite side in tail optical fiber stationary installation 504 is the groove of the overcoat of coupling general room optical fiber 102.
In an illustrated embodiment, tail optical fiber reinforcement fixture 502 of the present invention is to utilize the reinforcement self in the tail optical fiber to fix by the reinforcement location-plate, and this innovative point is simple to operate, can be implemented in the working-yard and carries out fast fibre and continue.For a person skilled in the art, clearly, the means that realize this fixed form have multiple, such as location-plate on the reinforcement fixture or cleat design being the reinforcement that is fixed and clamped from above-below direction, rather than shown in the image pattern like that from about direction fix, further, can with the reinforcement location-plate in separate design on the above-below direction on the tail optical fiber fixed pedestal, its location-plate just compresses and fixing tail optical fiber reinforcement when the tail optical fiber fixed pedestal inserts the reinforcement fixture.Perhaps, according to another embodiment, tail optical fiber reinforcement fixture can comprise three fixed parts, is respectively applied for the fixedly overcoat of tail optical fiber, and reinforcement and naked fibre use two coupling parts such as coupling part 524 to connect between these three fixed parts.Wherein, the structure of overcoat fixed part can be consistent with the first 520 shown in Fig. 5 D.The reinforcement fixed part can comprise the location-plate of the similar reinforcement location-plate 523 of 2,3 or other number, also can on the mating surface of location-plate, design structures such as some dentations or groove shape, be divided into one or more groups, form the reinforcement that one or more intervals are used to install and clamp tail optical fiber respectively.Perhaps, reinforcement installation direction in described interval is opposite with direction of the present invention, adopts the method that penetrates the gap and pass from front end from the rear end.And naked fine clamping part can adopt the structure of similar clamping plate 521.No matter it will be understood by those of skill in the art that and adopt any implementation, so long as the mode of utilizing reinforcement self to fix by location-plate all should be regarded as dropping within protection scope of the present invention.
In conjunction with Fig. 4 and Fig. 5 A, 5B, 5C and 5D, tail optical fiber stationary installation of the present invention is fixed on the substrate by following mode, have the localization part that is used for fixing the tail optical fiber stationary installation on the substrate, thereby localization part and tail optical fiber stationary installation has fixedly tail optical fiber stationary installation of the location structure that is complementary.
Because general each telecommunication user uses 2 communications optical cables as a communication line, therefore in the present invention, 2 localization parts that are used for fixing the tail optical fiber stationary installation also are provided on a substrate, fix 2 tail optical fiber stationary installations, and then fix the tail optical fiber of 2 general room optical fiber.As a communication line.Can describe in detail further below the structure of substrate.
The covered wire cable stationary installation
The present invention also provides the covered wire cable stationary installation to fix covered wire cable so that from covered wire cable, extract out naked fibre come with general room optical cable tail optical fiber in naked fibre continue mutually.
Fig. 6 A, Fig. 6 B and Fig. 6 C are the structural drawing according to the covered wire cable stationary installation 600 of one embodiment of the invention.Shown in figure 6A, Fig. 6 B and Fig. 6 C, this covered wire cable stationary installation 600 has a groove 601 that supplies covered wire cable 602 to pass, groove 601 can be divided into two sections substantially, in first section 601a, the overcoat 602b of covered wire cable 602 is not removed, in second section 601b, the overcoat 602b of covered wire cable 602 is removed, and exposes naked fine 602a wherein.In first section 601a of groove 601, one fixed sturcture 603 is provided, and this structure has the shape of " hangnail ", promptly has the thorn 603a of several sensing covered wire cable 602 direction of insertion, after covered wire cable 602 inserted, these thorns 603a fixed the overcoat 602b of covered wire cable 602.Show that according to experiment these thorns 603a can produce enough bed knifes and prevent that covered wire cable 602 from reverse displacement taking place again behind insertion groove 601.
Equally,, have the localization part that is used for fixing the covered wire cable stationary installation on the substrate, thereby localization part and covered wire cable stationary installation has fixedly covered wire cable stationary installation of the location structure that is complementary according to the present invention.
In one embodiment, covered wire cable all has 2 fibre cores (naked fibre), therefore, according to the present invention, only needs a covered wire cable stationary installation to connect 1 covered wire cable, just can be used to realize a communication line.But 2 fibre cores (naked fibre) in the covered wire cable are close to each other, for convenience they are inserted naked fine connection device, also comprise the covered wire cable tripping device on the substrate of the present invention, are used to separate 2 naked fibres of covered wire cable.Shown in Figure 7 with reference to the back, covered wire cable tripping device 610 comprises taper separation member 612 and is positioned at the naked fine guiding groove 614 of taper separation member 612 both sides, taper separation member 612 with 2 of covered wire cable near naked fine the separation, and guide to naked fine connection device by naked fine guiding groove 614.In operation, will near 2 naked fibres place the top of taper separation member 612, to make 2 naked fibres separate and enter into respectively the naked fine guiding groove 614 of the left and right sides to the tapering that presses down back taper separation member 612, by naked fine guiding groove 614,2 naked fibres will be introduced in the naked fine connection device, continue mutually with the naked fibre of 2 general room optical fiber respectively.
Substrate
Fig. 7 is the structural drawing according to the substrate of one embodiment of the invention.According to the present invention, have the localization part 702 that is used for fixing naked fine connection device on the substrate 700, this localization part 702 comprises:
Also have the localization part 704 that is used for fixing the tail optical fiber stationary installation on the substrate 700, this localization part 704 comprises:
The location hook 705d that baffle plate 705a, 705b, 705c and a resilient material are made limits the space of shape jointly.After the tail optical fiber stationary installation was inserted above-mentioned space from the opening with respect to baffle plate 705c one side, location hook 705d popped up the locating slot that forms horizontal direction, cooperates with four sides of tail optical fiber stationary installation, fixedly the horizontal level of tail optical fiber stationary installation.Simultaneously, on baffle plate 705a, 705b, also comprise perpendicular positioning projection 705e and 705f, cooperate the upright position of positioning and fixing tail optical fiber stationary installation respectively with the perpendicular positioning groove on the tail optical fiber stationary installation.
Also have the localization part 706 that is used for fixing the covered wire cable stationary installation on the substrate 700, localization part 706 comprises:
According to embodiment shown in Figure 7, have 2 naked fine connection device localization parts 702 on the substrate 700, fix 2 naked fine connection devices, each naked fine connection device continue naked fibre in 1 tail optical fiber and 1 naked fibre in the covered wire cable.Have 2 tail optical fiber stationary installation localization parts 704 on the substrate 700, be used for fixing 2 tail optical fiber stationary installations.Each localization part 704 has corresponding tail optical fiber stationary installation steady arm 708.The front end face 405 of tail optical fiber stationary installation 404 (with reference to figure 4) matches with tail optical fiber stationary installation steady arm 708.Substrate 700 also has the localization part 706 of 1 covered wire cable stationary installation, because covered wire cable has 2 fibre cores (naked fibre), therefore only needs a covered wire cable stationary installation to get final product.Localization part 706 comprises covered wire cable stationary installation steady arm 709.The front end face 409 of covered wire cable stationary installation 408 (with reference to figure 4) matches with covered wire cable stationary installation steady arm 709.The distance that tail optical fiber stationary installation steady arm 708 and covered wire cable stationary installation steady arm 709 spaces one are scheduled to also can be understood as, the distance that localization part 706 spaces one of tail optical fiber stationary installation localization part 704 and covered wire cable stationary installation are scheduled to.Like this, the front end face 409 from the front end face 405 of tail optical fiber stationary installation 404 to covered wire cable stationary installation 408 is exactly a predetermined distance.This predetermined distance for naked fine connection device effectively complete connection work be very important.Naked fibre (fibre core) 501a in the tail optical fiber extends a predetermined distance (first preset distance) from the front end face 405 of tail optical fiber stationary installation 404, and naked fibre (fibre core) 602a of covered wire cable extends a predetermined distance (second preset distance) from the front end face 409 of tail optical fiber stationary installation 408.Thus, the preset distance at interval is together with the extended preset distance of naked fibre (fibre core) 602a of naked fibre (fibre core) 501a in the tail optical fiber and covered wire cable between tail optical fiber stationary installation steady arm 708 and the covered wire cable stationary installation steady arm 709, make two fibre core 501a, 602a have a predetermined contact force in naked fine connection device 406, this contact force is very important for jointed fiber effectively and enduringly.Be also shown in covered wire cable tripping device 612 in substrate shown in Figure 7 700, in this embodiment, covered wire cable tripping device 612 can be used as the part of substrate 700 and together makes with substrate 700.
Additional device
In the process of fibre junction, as described above, make optical fiber have predetermined length for effectively, jointed fiber is very heavy enduringly.Therefore, how cutting optical fibre makes meeting of the optical fiber quality that continues for raising of predetermined length that very big influence be arranged.According to the present invention, a kind of selectable fiber cut annex also is provided, be used cutting optical fibre with the fiber cut cutter.
With reference to figure 8, Fig. 8 is the structural drawing according to an embodiment of the fiber cut part 800 of one embodiment of the invention.This fiber cut annex 800 comprises:
Base 802 has a hole on the base, can be used with covered wire cable stationary installation or tail optical fiber stationary installation, and fibre core steady arm 804 is used for supplying fibre core to pass and makes it keep linear state.Covered wire cable stationary installation or tail optical fiber stationary installation are put into the hole of base 802, and fibre core is passed from fibre core steady arm 804.Afterwards, base 802 is put on the job platform of fiber cut cutter.Because the requirement of naked fine connection device, covered wire cable stationary installation and tail optical fiber stationary installation are fixed to the length of fiber cut end face, and therefore, its hole equaled described length to the distance of the blade of fiber cut cutter after base 802 assembled with the fiber cut cutter.Like this, use the fiber cut cutter to cut the fibre core that can obtain precise length, and the length of each cutting is all the same.For the predetermined length of fibre core in the predetermined length of fibre core in the tail optical fiber and the covered wire cable can choose the same, also can have different length.As long as predetermined length between their summation and the localization part at interval is complementary just passable.
Expansion embodiment
In the superincumbent description, the present invention describes in conjunction with the embodiment of be used to continue two tail optical fibers and one two core covered wire cable, but need to prove, for a person skilled in the art, clearly by suitable modification, the present invention's can be used to continue optical fiber of other types, such as:
1) change the quantity of tail optical fiber stationary installation, covered wire cable stationary installation and naked fine connection device, and correspondingly change substrate, the present invention can be used to continue any amount of tail optical fiber and covered wire cable.
2) the covered wire cable stationary installation is replaced to the tail optical fiber stationary installation, and correspondingly revise substrate, then the present invention's two groups of tail optical fibers that can be used to continue.And, with reference to 1), the present invention can be used to any amount of tail optical fiber that continues.
3) the tail optical fiber stationary installation is replaced to the covered wire cable stationary installation, and correspondingly revise substrate, then the present invention's two groups of covered wire cables that can be used to continue.And, with reference to 1), the present invention can be used to any amount of covered wire cable that continues.
In all embodiment of Miao Shuing and the expanded application, also can carry out carrying out fibre junction again to satisfy the application of special occasions after the special processing in the above to the end face of optical fiber.Such as, can earlier fiber end face to be continued be cut into the inclined-plane at 8 degree angles, re-use device of the present invention and carry out the oblique angle and continue and realize the oblique angle optical fiber link, to satisfy the application scenario that return loss is had relatively high expectations.Equally, the tail optical fiber stationary installation among the present invention also can be used for indoor ordinary optic fibre fixing of other fibre junction occasion, just can use it to carry out reliable optical fiber when carrying out fused fiber splice and fix.
Sum up; adopt technical scheme of the present invention; the tail optical fiber of covered wire cable and general room optical fiber effectively can continue; and by the direct fixing tail optical fiber of the reinforcement in the tail optical fiber; and; by the mutual interlock of substrate and naked fine connection device, tail optical fiber stationary installation and covered wire cable stationary installation, make that the tail optical fiber of covered wire cable and general room optical fiber can be firmly, stably continue, and can effectively protect fibre core (naked fibre) wherein.
The foregoing description provides to being familiar with the person in the art and realizes or use of the present invention; those skilled in the art can be under the situation that does not break away from invention thought of the present invention; the foregoing description is made various modifications or variation; thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (21)
1. an optical fiber connection protecting box is characterized in that, the tail optical fiber and the covered wire cable of the general room optical fiber that is used at least to continue, and described optical fiber connection protecting box comprises:
Substrate, this substrate comprise a tail optical fiber stationary installation localization part and a covered wire cable stationary installation localization part, this tail optical fiber stationary installation localization part and the covered wire cable stationary installation predetermined distance of being separated by;
Naked fine connection device is installed on the described substrate, the naked fibre in the general room that continues optical fiber and the covered wire cable;
The tail optical fiber stationary installation is fixed on the tail optical fiber stationary installation localization part of described substrate, connects the tail optical fiber of general room optical fiber, and the naked fibre of tail optical fiber passes the tail optical fiber stationary installation with first predetermined length and continued by naked fine connection device;
The covered wire cable stationary installation is fixed on the covered wire cable stationary installation localization part of described substrate, connects covered wire cable, and the naked fibre of covered wire cable passes the covered wire cable stationary installation with second predetermined length to be undertaken continuing with the naked fibre of tail optical fiber by naked fine connection device;
The preset distance that wherein said stationary installation localization part is separated by, first predetermined length and second predetermined length are chosen in advance all, make the naked fibre of tail optical fiber and covered wire cable have the contact force of expectation in naked fine connection device.
2. optical fiber connection protecting box as claimed in claim 1; it is characterized in that; one end of described tail optical fiber connects a connector; the other end of tail optical fiber penetrates described tail optical fiber stationary installation; utilize the reinforcement of tail optical fiber that described tail optical fiber is fixed on the described tail optical fiber stationary installation by the tail optical fiber stationary installation after removing overcoat, the naked fibre of tail optical fiber passes the tail optical fiber stationary installation.
3. optical fiber connection protecting box as claimed in claim 2 is characterized in that, described tail optical fiber stationary installation comprises:
Tail optical fiber reinforcement fixture, the tail optical fiber that has overcoat penetrates first end of tail optical fiber reinforcement fixture, tail optical fiber reinforcement fixture is the overcoat of tail optical fiber fixedly, tail optical fiber utilizes the reinforcement of tail optical fiber that described tail optical fiber is fixed by tail optical fiber reinforcement fixture after removing overcoat, and the naked fibre of tail optical fiber passes from the other end of tail optical fiber reinforcement fixture;
The tail optical fiber fixed pedestal cooperates with described tail optical fiber reinforcement fixture, coats and fixing described tail optical fiber.
4. optical fiber connection protecting box as claimed in claim 3 is characterized in that, described tail optical fiber reinforcement fixture comprises:
First is one " U " type structure, thus the fixing tail optical fiber of the overcoat that is used to clamp tail optical fiber;
Second portion, comprise the clamping plate that are used to locate and fix naked fibre, and the reinforcement location-plate that is used for fixing reinforcement, wherein, described clamping plate and described reinforcement location-plate form one at interval, thereby reinforcement passes from this interval and have clamping plate and reinforcement location-plate to clamp fixedly reinforcement jointly;
The coupling part connects described first and second portion.
5. optical fiber connection protecting box as claimed in claim 4 is characterized in that, " U " type inner structural wall of the first of described tail optical fiber reinforcement fixture is a broached-tooth design; And
This first is made by resilient material, when " U " type structure is subjected to pressure from both sides, draws close to the inside.
6. optical fiber connection protecting box as claimed in claim 5, it is characterized in that, the one group of clamping plate in the centre position of described second portion, these group clamping plate are close mutually, forming naked fine groove in the position, middle and lower part of clamping plate supplies the naked fibre of tail optical fiber to pass through, this groove has and the corresponding diameter of the overcoat of tail optical fiber, forms a locating surface in the position, middle and upper part of clamping plate; These clamping plate are to be made by resilient material, thereby when being subjected to the pressure of both sides, draw close the naked fibre that clamps in the naked fine groove to the centre, wherein locating surface is used for determining the degree of clamping plate clamping, and when the locating surface of two clamping plates was in contact with one another, clamping plate just can not drawn close to the centre again; These group clamping plate each side have a reinforcement location-plate, form a gap in the middle of the reinforcement location-plate of each side and the clamping plate, the reinforcement of tail optical fiber penetrates this gap and passes from the rear end from the front end of clamping plate, thereby reinforcement rests in location-plate and the formed gap of clamping plate, this reinforcement location-plate is to be made by resilient material, thereby draws close the reinforcement clamping that will be arranged at interval to clamping plate when being subjected to inside pressure.
7. optical fiber connection protecting box as claimed in claim 6; it is characterized in that; have several grooves on the described tail optical fiber fixed pedestal; the first of the corresponding described tail optical fiber reinforcement fixture of difference; the structure of second portion and coupling part; described tail optical fiber reinforcement fixture inserts in the described tail optical fiber fixed pedestal; the first of described tail optical fiber reinforcement fixture; match with the groove of tail optical fiber fixed pedestal respectively in second portion and coupling part; wherein; described groove has down the xsect of " V " type; when first and second portion are inserted in these grooves; the xsect of " V " type of falling will provide to the inside pressure to first and second portion; make described " U " type structure; clamping plate and reinforcement location-plate come closer, and clamp the overcoat of tail optical fiber respectively; reinforcement and naked fibre.
8. optical fiber connection protecting box as claimed in claim 1 is characterized in that, thereby tail optical fiber stationary installation localization part on the described substrate and tail optical fiber stationary installation have the fixing described tail optical fiber stationary installation of the location structure that is complementary.
9. optical fiber connection protecting box as claimed in claim 8; it is characterized in that; described localization part comprises the location hook that several baffle plates and a resilient material are made; the common space that limits shape; after the tail optical fiber stationary installation is inserted above-mentioned space from the opening of a side; location hook pops up the locating slot that forms horizontal direction; cooperate with four sides of tail optical fiber stationary installation; the fixing horizontal level of tail optical fiber stationary installation; simultaneously; on the side direction baffle plate, also comprise the perpendicular positioning projection, cooperate the upright position of positioning and fixing tail optical fiber stationary installation respectively with the perpendicular positioning groove on the tail optical fiber stationary installation.
10. optical fiber connection protecting box as claimed in claim 9 is characterized in that, has 2 tail optical fiber stationary installation localization parts on the described substrate, fixes the tail optical fiber stationary installation more than 1 or 1, and then fixes the tail optical fiber of the general room optical fiber more than 1 or 1.
11. optical fiber connection protecting box as claimed in claim 1, it is characterized in that, described covered wire cable stationary installation has a groove that supplies covered wire cable to pass, groove is divided into two sections, in first section, the overcoat of covered wire cable is not removed, in second section, the overcoat of covered wire cable is removed, and exposes naked fibre wherein; In first section of groove, a fixed sturcture is provided, this structure has the shape of " hangnail ", has the thorn of several sensing covered wire cable direction of insertion, and after covered wire cable inserted, these thorns were fixed the overcoat of covered wire cable.
12. optical fiber connection protecting box as claimed in claim 1 is characterized in that, described covered wire cable stationary installation localization part and covered wire cable stationary installation have the location structure that is complementary, thus fixing described covered wire cable stationary installation.
13. optical fiber connection protecting box as claimed in claim 12; it is characterized in that; this localization part comprises the location hook that several baffle plates and a resilient material are made; the common space that limits shape; after the covered wire cable stationary installation is inserted above-mentioned space from the opening of a side; location hook pops up the locating slot that forms horizontal direction; cooperate with four sides of covered wire cable stationary installation; the fixing horizontal level of covered wire cable stationary installation; simultaneously; on the side direction baffle plate, also comprise the perpendicular positioning projection, the perpendicular positioning groove on the covered wire cable stationary installation cooperates the upright position of positioning and fixing covered wire cable stationary installation.
14. optical fiber connection protecting box as claimed in claim 1 is characterized in that, has 2 naked fibres in the described covered wire cable, also comprises the covered wire cable tripping device on the described substrate, is used to separate 2 naked fibres of described covered wire cable.
15. optical fiber connection protecting box as claimed in claim 14; it is characterized in that; described covered wire cable tripping device comprises the taper separation member and is positioned at the naked fine guiding groove of taper separation member both sides; described taper separation member with 2 of covered wire cable near naked fine the separation, and guide to described naked fine connection device by naked fine guiding groove.
16. assembly parts comprise optical fiber connection protecting box as claimed in claim 15 and fiber cut annex, are used for being used with the fiber cut cutter fiber cut is become first and second predetermined lengths.
17. optical fiber connection protecting box as claimed in claim 16 is characterized in that, described fiber cut annex comprises:
Base has a hole on the base, be used with covered wire cable stationary installation or tail optical fiber stationary installation;
The fibre core steady arm is used for supplying fibre core to pass and makes it keep linear state;
During use, covered wire cable stationary installation or tail optical fiber stationary installation are put into the hole of base, and fibre core passed from the fibre core steady arm, base is placed on the job platform of fiber cut cutter, make the fiber cut end face to covered wire cable stationary installation or tail optical fiber stationary installation apart from fixed length, satisfy the redirect request of naked fine connection device.
18. optical fiber connection protecting box as claimed in claim 1 is characterized in that, has naked fine connection device localization part on the described substrate, thereby described localization part and naked fine connection device have the fixing described naked fine connection device of the location structure that is complementary.
19. optical fiber connection protecting box as claimed in claim 18 is characterized in that, this localization part comprises left baffle, link stopper,
The common space that forms a qualification shape of the structure that above-mentioned baffle plate and link stopper and substrate have itself, outline of its size and size and fixing naked fine connection device is complementary, and this localization part also comprises the height steady arm, by what set up relatively
With
Template is formed, fixing in vertical direction naked fine connection device.
20. optical fiber connection protecting box as claimed in claim 19; it is characterized in that; have 2 naked fine connection device localization parts on the described substrate, fix 2 naked fine connection devices, each naked fine connection device continue naked fibre in 1 tail optical fiber and 1 naked fibre in the covered wire cable.
21., it is characterized in that as each described optical fiber connection protecting box in the claim 1 to 20, also comprise lid, cover on described substrate, cover described naked fine connection device, tail optical fiber stationary installation and covered wire cable stationary installation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710089688.5A CN101276024B (en) | 2007-03-27 | 2007-03-27 | Optical fiber connection protecting box |
| PCT/US2008/058181 WO2008118927A1 (en) | 2007-03-27 | 2008-03-26 | Splice apparatus for optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710089688.5A CN101276024B (en) | 2007-03-27 | 2007-03-27 | Optical fiber connection protecting box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101276024A true CN101276024A (en) | 2008-10-01 |
| CN101276024B CN101276024B (en) | 2012-09-26 |
Family
ID=39789002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710089688.5A Expired - Fee Related CN101276024B (en) | 2007-03-27 | 2007-03-27 | Optical fiber connection protecting box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101276024B (en) |
| WO (1) | WO2008118927A1 (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313949A (en) * | 2011-08-31 | 2012-01-11 | 江苏通鼎通信设备有限公司 | Single-core optical fiber splice tray |
| CN102338911A (en) * | 2011-11-01 | 2012-02-01 | 南京普天天纪楼宇智能有限公司 | Optical fiber cold splice |
| CN102375192A (en) * | 2011-10-19 | 2012-03-14 | 四川九洲线缆有限责任公司 | Special connector for wind power optical cable assembly |
| CN102385111A (en) * | 2010-08-31 | 2012-03-21 | 上海宽岱电讯科技发展有限公司 | Optical fiber fixing device |
| CN102385110A (en) * | 2010-08-30 | 2012-03-21 | 上海宽岱电讯科技发展有限公司 | Optical fiber clamping device |
| CN102565962A (en) * | 2012-02-17 | 2012-07-11 | 南京普天天纪楼宇智能有限公司 | Optical fiber positioning and clamping device in quick splice of optical fiber |
| CN102707397A (en) * | 2012-05-31 | 2012-10-03 | 中天宽带技术有限公司 | Cold-connection branching integrated protector for two-core rubber-covered wire cable |
| CN103460095A (en) * | 2011-03-04 | 2013-12-18 | 康宁光缆系统有限责任公司 | Fiber optic adapter mount |
| CN103777278A (en) * | 2014-01-22 | 2014-05-07 | 中天宽带技术有限公司 | Double-core butterfly type optical cable butt fusion branch protector |
| CN101896041B (en) * | 2009-05-22 | 2014-08-27 | 博西华电器（江苏）有限公司 | Electronic component accommodation box |
| CN102043214B (en) * | 2009-10-15 | 2014-09-10 | 泰科电子(上海)有限公司 | Optical cable fixing device |
| CN105527683A (en) * | 2016-01-27 | 2016-04-27 | 深圳科创新源新材料股份有限公司 | Outdoor optical cable jumper wire and laying method |
| CN106443915A (en) * | 2016-08-31 | 2017-02-22 | 苏州市职业大学 | Dry optical cable terminating splitter |
| CN109856725A (en) * | 2018-12-13 | 2019-06-07 | 南京吉隆光纤通信股份有限公司 | A kind of double tail fiber fixture |
| CN112904504A (en) * | 2019-12-04 | 2021-06-04 | 烽火通信科技股份有限公司 | Preformed end type extension splicing box |
| CN114637087A (en) * | 2022-03-17 | 2022-06-17 | 华为技术有限公司 | Clamping jaw and optical fiber assembly system |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009012335B4 (en) * | 2009-03-09 | 2010-12-30 | Adc Gmbh | strain relief |
| AU2012225855B2 (en) | 2011-03-07 | 2015-10-22 | Tyco Electronics Corporation | Cable strain relief clamping devices and methods for using the same |
| EP2538256A1 (en) * | 2011-06-20 | 2012-12-26 | Tyco Electronics Raychem BVBA | Cable termination device |
| EP2570834B1 (en) | 2011-09-16 | 2016-12-14 | Tyco Electronics Raychem BVBA | Holding fixture for holding at least one cable with an affixing member and a clamping member |
| EP3362829B1 (en) | 2015-10-12 | 2021-05-26 | Corning Research & Development Corporation | Unitary connector for connecting two bare optical fibers |
| US10488597B2 (en) | 2015-10-12 | 2019-11-26 | Corning Research & Development Corporation | Connector for connecting two bare optical fibers |
| WO2021207228A1 (en) * | 2020-04-06 | 2021-10-14 | Commscope Technologies Llc | Module interface for telecommunications closure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4863235A (en) * | 1986-07-21 | 1989-09-05 | American Telephone And Telegraph Company, At&T Bell Laboratories | Connector for optical fiber cable |
| US5530786A (en) * | 1995-05-30 | 1996-06-25 | The Whitaker Corporation | Holding for optical fiber splice couplings |
| KR100283132B1 (en) * | 1998-10-21 | 2001-03-02 | 이계철 | High Density Loose Tube Type Connection Tray |
| JP3956928B2 (en) * | 2002-11-08 | 2007-08-08 | 古河電気工業株式会社 | Connector integrated optical termination unit and connection unit |
| US7333709B2 (en) * | 2004-09-24 | 2008-02-19 | 3M Innovative Properties Company | Splice holder device |
-
2007
- 2007-03-27 CN CN200710089688.5A patent/CN101276024B/en not_active Expired - Fee Related
-
2008
- 2008-03-26 WO PCT/US2008/058181 patent/WO2008118927A1/en active Application Filing
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101896041B (en) * | 2009-05-22 | 2014-08-27 | 博西华电器（江苏）有限公司 | Electronic component accommodation box |
| CN102043214B (en) * | 2009-10-15 | 2014-09-10 | 泰科电子(上海)有限公司 | Optical cable fixing device |
| CN102385110A (en) * | 2010-08-30 | 2012-03-21 | 上海宽岱电讯科技发展有限公司 | Optical fiber clamping device |
| CN102385111A (en) * | 2010-08-31 | 2012-03-21 | 上海宽岱电讯科技发展有限公司 | Optical fiber fixing device |
| CN103460095A (en) * | 2011-03-04 | 2013-12-18 | 康宁光缆系统有限责任公司 | Fiber optic adapter mount |
| CN102313949A (en) * | 2011-08-31 | 2012-01-11 | 江苏通鼎通信设备有限公司 | Single-core optical fiber splice tray |
| CN102375192A (en) * | 2011-10-19 | 2012-03-14 | 四川九洲线缆有限责任公司 | Special connector for wind power optical cable assembly |
| CN102375192B (en) * | 2011-10-19 | 2014-07-23 | 四川九洲线缆有限责任公司 | Special connector for wind power optical cable assembly |
| CN102338911B (en) * | 2011-11-01 | 2013-04-24 | 南京普天天纪楼宇智能有限公司 | Optical fiber cold splice |
| CN102338911A (en) * | 2011-11-01 | 2012-02-01 | 南京普天天纪楼宇智能有限公司 | Optical fiber cold splice |
| CN102565962A (en) * | 2012-02-17 | 2012-07-11 | 南京普天天纪楼宇智能有限公司 | Optical fiber positioning and clamping device in quick splice of optical fiber |
| CN102565962B (en) * | 2012-02-17 | 2013-08-21 | 南京普天天纪楼宇智能有限公司 | Optical fiber positioning and clamping device in quick splice of optical fiber |
| CN102707397A (en) * | 2012-05-31 | 2012-10-03 | 中天宽带技术有限公司 | Cold-connection branching integrated protector for two-core rubber-covered wire cable |
| CN103777278A (en) * | 2014-01-22 | 2014-05-07 | 中天宽带技术有限公司 | Double-core butterfly type optical cable butt fusion branch protector |
| CN105527683A (en) * | 2016-01-27 | 2016-04-27 | 深圳科创新源新材料股份有限公司 | Outdoor optical cable jumper wire and laying method |
| CN105527683B (en) * | 2016-01-27 | 2019-06-25 | 深圳科创新源新材料股份有限公司 | A kind of outdoor optical cable jumper and its laying method |
| CN106443915A (en) * | 2016-08-31 | 2017-02-22 | 苏州市职业大学 | Dry optical cable terminating splitter |
| CN109856725A (en) * | 2018-12-13 | 2019-06-07 | 南京吉隆光纤通信股份有限公司 | A kind of double tail fiber fixture |
| CN109856725B (en) * | 2018-12-13 | 2024-04-02 | 南京吉隆光纤通信股份有限公司 | Double-tail-fiber clamp |
| CN112904504A (en) * | 2019-12-04 | 2021-06-04 | 烽火通信科技股份有限公司 | Preformed end type extension splicing box |
| CN112904504B (en) * | 2019-12-04 | 2022-09-30 | 烽火通信科技股份有限公司 | Preformed end type extension splicing box |
| CN114637087A (en) * | 2022-03-17 | 2022-06-17 | 华为技术有限公司 | Clamping jaw and optical fiber assembly system |
| CN114637087B (en) * | 2022-03-17 | 2023-01-13 | 华为技术有限公司 | Clamping jaw and optical fiber assembly system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008118927A1 (en) | 2008-10-02 |
| CN101276024B (en) | 2012-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101276024B (en) | Optical fiber connection protecting box | |
| CN101617257B (en) | Retrofittable bend strain relief with a latching ring | |
| CA2996108C (en) | Fiber optic drop cables and preconnectorized assemblies having toning portions | |
| US7596293B2 (en) | Loopback device utilizing bend insensitive optical fiber | |
| CN101529299B (en) | Improved hauling shroud for hauling a fibre optic cable along a conduit | |
| CN101095072B (en) | Fiber drop terminal | |
| CN100550548C (en) | Be used for system and device along the pipeline traction optical fiber | |
| CN101636679A (en) | Optical fiber cable inlet device and telecommunications enclosure system | |
| CN106068472A (en) | The manufacture method of optical module | |
| CN102099721B (en) | Optical fibre coupling device and method | |
| CN102317830A (en) | Fiber optic multi dwelling unit deployment appartus and methods for using the same | |
| EP2141527A2 (en) | Optical fibre tap off device securable around an optical cable as fibre management device | |
| CN101825750A (en) | Optical fiber dispensing apparatus and the fiber optic network that comprises this optical fiber dispensing apparatus | |
| CN100432725C (en) | Optical fiber plug including fiber stubs and splice channels | |
| US9329354B2 (en) | Branch distribution cable connectorization system | |
| CN1041964C (en) | Optical fibre management system | |
| CN205210354U (en) | Air -sweeping type optical cable branch box | |
| US10663665B2 (en) | Ribbon handling device for fusion splicer and methods of fusion splicing | |
| CN212160169U (en) | Connection structure and optical cable connection box | |
| CN212781435U (en) | Optical fiber splitter convenient for wiring | |
| US11493720B2 (en) | Flexible fiber node connector | |
| KR20080047268A (en) | Tray for fiber optic splice closure | |
| US9715073B1 (en) | Optical trunk cable having web-connected sub-unitized configuration | |
| KR20000047099A (en) | Branch device for optical cable | |
| CN216696760U (en) | Double-joint type optical fiber jumper wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180723 Address after: American New York Patentee after: Corelle Stolle Research and Development Corporation Address before: American Minnesota Patentee before: 3M Innovation Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20180327 |