CN203881988U - Mechanical sealing apparatus of optical cable holes of optical cable junction box - Google Patents
Mechanical sealing apparatus of optical cable holes of optical cable junction box Download PDFInfo
- Publication number
- CN203881988U CN203881988U CN201420329443.0U CN201420329443U CN203881988U CN 203881988 U CN203881988 U CN 203881988U CN 201420329443 U CN201420329443 U CN 201420329443U CN 203881988 U CN203881988 U CN 203881988U
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- optical cable
- outlet pipe
- cable
- inlet
- straight
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
- H02G15/115—Boxes split perpendicularly to main cable direction
Abstract
The utility model relates to the field of communication equipment and especially to a mechanical sealing apparatus of optical cable holes of an optical cable junction box. The mechanical sealing apparatus comprises an optical cable junction box and an optical cable splicing disc inside the optical cable junction box. One end of the optical cable junction box is provided with straight-through optical cable pipes and branch optical cable pipes. Each straight-through optical cable pipe is equipped with a first elastomer optical cable sealing ring, a first gasket, and a first screw nut. The branch optical cable pipe is equipped with a second elastomer optical cable sealing ring, a second gasket, and a second screw nut. The straight-through optical cable pipe is sealed by the first elastomer optical cable sealing ring, a first gasket, and a first screw nut. The branch optical cable pipe is sealed by the second elastomer optical cable sealing ring, the second gasket, and the second screw nut. Thus, a sealing manner using a non-vulcanized self-adhesive tape is not used and problems of aging easiness and a poor sealing property of a sealing device of the optical cable junction box are solved. The mechanical sealing apparatus is easy to operate and can be repeatedly used.
Description
Technical field
The utility model relates to domain of communication equipments, in particular to a kind of cable splice closure turnover cable hole mechanically-sealing apparatus.
Background technology
The Sealing Technology of existing home and abroad cable splice closure, mostly adopt unvulcanised single-coated foam to be wound around cable outer diameter or by the mode of sticking with paste glue filled fiber cable sealing position, optical cable sealed, or take vulcanized rubber O-ring seal as basis, add unvulcanised single-coated foam or stick with paste glue as adminicle, to complete the sealing of cable splice closure.Through the Construction practices feedback of installation testing experience for many years and movement, telecommunications, San great telecom operators of UNICOM, the sealing means of this several optical cables all exists many shortcomings and drawback:
Employing unvulcanised single-coated foam is wound around cable outer diameter or with paste glue filled fiber cable, seals the sealing means at position, and the seal aspect that human factor is entered cable mouth at connector box plays very large influence; Because workmen's quality is uneven, the standardized degree of installation is different, unvulcanised single-coated foam or with stick with paste that glue uses number be difficult to consider by data, be easy to cause human factor to fill out discontented phenomenon.
Connector box adopts unvulcanised single-coated foam or sticks with paste the mode of glue sealing optical cable, will on optical cable, be wound around unvulcanised self-adhesive brings the diameter of increase optical cable or blocks into cable hole to play the effect of sealing with paste glue, constructing operation is very loaded down with trivial details, installs very inconvenient; Due to unvulcanised single-coated foam or to stick with paste adhesiveness very large, while again encapsulating, remove very trouble, and with the unvulcanised single-coated foam of crossing or stick with paste glue and can not reuse, again encapsulate and will again purchase, thereby increased the construction cost of network.
Unvulcanised single-coated foam or stick with paste that glue is anti-aging, anti-uv-ray is poor, through the effect of expanding with heat and contract with cold for a long time, because making it, temperature influence is very easily out of shape contraction, after aging (oxidation), make to produce gap between optical cable and box body, in the situation that having water, will there is the phenomenon of seepage, water inlet in connector box, thereby affect the Long Service Life of optical cable, fiber cable joint.
Unvulcanised single-coated foam or paste glue, because quality is softer, are easy to be stung erosion by termite in addition, in the multiple area of termite, are easy to butt junction box inner structure and fiber cable joint and cause very large destruction, have a strong impact on the safe operation of fiber cable network.
Utility model content
The purpose of this utility model is to provide a kind of cable splice closure turnover cable hole mechanically-sealing apparatus, to solve the above problems.
A kind of cable splice closure turnover cable hole mechanically-sealing apparatus is provided in embodiment of the present utility model, has comprised cable splice closure and optical cable welding dish;
Optical cable welding dish is arranged in cable splice closure, for connecting straight-through optical cable and bifurcation optical cable;
One end of cable splice closure is provided with the straight-through optical cable inlet/outlet pipe passing through for straight-through optical cable and the bifurcation optical cable inlet/outlet pipe passing through for bifurcation optical cable;
On straight-through optical cable inlet/outlet pipe, be provided with the first elastic body optical cable O-ring seal, the first packing ring and the first nut;
The first elastic body optical cable O-ring seal is arranged in straight-through optical cable inlet/outlet pipe, and its one end away from cable splice closure is provided with the first packing ring;
Straight-through optical cable inlet/outlet pipe periphery is provided with the external thread using with the screw-internal thread fit of the first nut, for coordinating with the first nut, straight-through optical cable inlet/outlet pipe is sealed;
On bifurcation optical cable inlet/outlet pipe, be provided with the second elastic body optical cable O-ring seal, the second packing ring and the second nut;
The second elastic body optical cable O-ring seal is arranged in bifurcation optical cable inlet/outlet pipe, and its one end away from cable splice closure is provided with the second packing ring;
Bifurcation optical cable inlet/outlet pipe periphery is provided with the external thread using with the screw-internal thread fit of the second nut, for coordinating bifurcation optical cable inlet/outlet pipe is sealed with the second nut.
Further, straight-through optical cable inlet/outlet pipe is two, is all arranged on same one end of cable splice closure;
Bifurcation optical cable inlet/outlet pipe is a plurality of, is all arranged on one end that cable splice closure is provided with straight-through optical cable inlet/outlet pipe.
Further, between two straight-through optical cable inlet/outlet pipes, be provided with the first open slot that is communicated with two straight-through optical cable inlet/outlet pipes;
On two straight-through optical cable inlet/outlet pipes, be provided with the second open slot being communicated with the first open slot, can make optical cable not need to cut off and can enter in cable splice closure by the second open slot and the first open slot.
Further, between two the first elastic body optical cable O-ring seals, be connected with sealing strip, for the sealing of the first open slot.
Further, sealing strip is outside equipped with pressing plate, for compressing the first elastic body optical cable O-ring seal and sealing strip.
Further, cable splice closure comprises the upper cover that is fixed together and lower;
Optical cable welding dish, straight-through optical cable inlet/outlet pipe and bifurcation optical cable inlet/outlet pipe are all arranged on lower.
Further, straight-through optical cable inlet/outlet pipe is two, is coaxially arranged on respectively the two ends of lower;
Bifurcation optical cable inlet/outlet pipe is multipair, and every pair of bifurcation optical cable inlet/outlet pipe is coaxially arranged on the two ends of lower respectively.
Further, cable splice closure turnover cable hole mechanically-sealing apparatus also comprises plug;
Plug is arranged in straight-through optical cable inlet/outlet pipe and/or bifurcation optical cable inlet/outlet pipe, in straight-through optical cable inlet/outlet pipe and/or bifurcation optical cable inlet/outlet pipe, do not have optical cable by time seal.
Further, the second elastic body optical cable O-ring seal comprises minor diameter the second elastic body optical cable O-ring seal, middle diameter the second elastic body optical cable O-ring seal and major diameter the second elastic body optical cable O-ring seal, for the sealing of different-diameter optical cable.
Further, the first packing ring and the first nut are being arranged.
The utility model cable splice closure turnover cable hole mechanically-sealing apparatus, the straight-through optical cable docking in cable splice closure by the first elastic body optical cable O-ring seal, the first packing ring and the first nut seals, and by the second elastic body optical cable O-ring seal, the second packing ring and the second nut, the bifurcation optical cable in access joint cable splice closure is sealed; The mode of sealing is to be threaded and the cooperation of O-ring seal, so just can use unvulcanised single-coated foam or stick with paste the modes such as glue and seal, the packoff that has solved cable splice closure is aging, the not good problem of sealing property easily, simple to operate, can repeatedly reuse.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the straight-through optical cable inlet/outlet pipe explosive view of the utility model monofocal cable splice closure;
Fig. 2 is the bifurcation optical cable inlet/outlet pipe explosive view of the utility model monofocal cable splice closure;
Fig. 3 is the utility model monofocal cable splice closure optical cable inlet/outlet pipe schematic diagram;
Fig. 4 is the utility model monofocal cable splice closure optical cable inlet/outlet pipe mounting structure schematic diagram;
Fig. 5 is the structural representation three-view diagram of the utility model the first elastic body optical cable O-ring seal;
Fig. 6 is the utility model double-end type cable splice closure structural representation;
Fig. 7 is the straight-through optical cable inlet/outlet pipe explosive view of the utility model double-end type cable splice closure;
Fig. 8 is another visual angle view at A place in Fig. 7;
Fig. 9 is the utility model half nut structural representation;
Figure 10 is the utility model split washer structural representation.
In figure, 1: cable splice closure; 2: plug; 3: the first elastic body optical cable O-ring seals; 4: pressing plate; 5: the first packing rings; 6: the first nuts; 7: sealing strip; 8: minor diameter the second elastic body optical cable O-ring seal; 9: middle diameter the second elastic body optical cable O-ring seal; 10: major diameter the second elastic body optical cable O-ring seal; 11: the second packing rings; 12: the second nuts; 13: straight-through optical cable inlet/outlet pipe; 14: bifurcation optical cable inlet/outlet pipe; 15: the first open slots; 16: the second open slots; 17: upper cover; 18: lower; 19: slide rail; 20: chute; 21: optical cable welding dish.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, will the technical solution of the utility model be carried out to clear, complete description below.Obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the utility model is protected.
In description of the present utility model, it should be noted that, orientation or the position relationship of the indications such as term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " be only for describing object, and can not be interpreted as indication or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
As shown in Figure 1, the utility model provides cable splice closure turnover cable hole mechanically-sealing apparatus, comprises cable splice closure 1 and optical cable welding dish 21;
Optical cable welding dish 21 is arranged in cable splice closure 1, for connecting straight-through optical cable and bifurcation optical cable;
One end of cable splice closure 1 is provided with the straight-through optical cable inlet/outlet pipe 13 passing through for straight-through optical cable and the bifurcation optical cable inlet/outlet pipe 14 passing through for bifurcation optical cable; On straight-through optical cable inlet/outlet pipe 13, be provided with the first elastic body optical cable O-ring seal 3, the first packing ring 5 and the first nut 6;
The first elastic body optical cable O-ring seal 3 is arranged in straight-through optical cable inlet/outlet pipe 13, and its one end away from cable splice closure 1 is provided with the first packing ring 5;
Straight-through optical cable inlet/outlet pipe 13 peripheries are provided with the external thread using with the screw-internal thread fit of the first nut 6, for coordinating with the first nut 6, straight-through optical cable inlet/outlet pipe 13 are sealed;
On bifurcation optical cable inlet/outlet pipe 14, be provided with the second elastic body optical cable O-ring seal, the second packing ring 11 and the second nut 12;
The second elastic body optical cable O-ring seal is arranged in bifurcation optical cable inlet/outlet pipe 14, and its one end away from cable splice closure 1 is provided with the second packing ring 11;
Bifurcation optical cable inlet/outlet pipe 14 peripheries are provided with the external thread using with the screw-internal thread fit of the second nut, for coordinating bifurcation optical cable inlet/outlet pipe 14 is sealed with the second nut.
Straight-through optical cable is connected with the optical cable welding dish 21 in cable splice closure 1 by straight-through optical cable inlet/outlet pipe 13, then bifurcation optical cable is connected with the optical cable welding dish 21 in cable splice closure 1 by bifurcation optical cable inlet/outlet pipe 14.Afterwards, in straight-through optical cable inlet/outlet pipe 13 and the first elastic body optical cable O-ring seal 3 is set between straight-through optical cable, on the first elastic body optical cable O-ring seal 3, press the first packing ring 5, finally put the first nut 6, be threaded connection the first nut 6 is tightened on straight-through optical cable inlet/outlet pipe 13, complete the sealing of straight-through optical cable inlet/outlet pipe 13.The second elastic body optical cable O-ring seal is set between bifurcation optical cable inlet/outlet pipe 14 and bifurcation optical cable, with the second packing ring 11, press, by the second nut 12, be threaded with bifurcation optical cable inlet/outlet pipe 14 again, screw the sealing that the second nut 12 completes bifurcation optical cable inlet/outlet pipe 14.
Further, straight-through optical cable inlet/outlet pipe 13 is two, is all arranged on same one end of cable splice closure 1;
Bifurcation optical cable inlet/outlet pipe 14 is a plurality of, is all arranged on one end that cable splice closure 1 is provided with straight-through optical cable inlet/outlet pipe 13.
Further, between two straight-through optical cable inlet/outlet pipes 13, be provided with the first open slot 15 that is communicated with two straight-through optical cable inlet/outlet pipes 13;
On two straight-through optical cable inlet/outlet pipes 13, be provided with the second open slot 16 being communicated with the first open slot 15, can make optical cable not need to cut off by the second open slot 16 and the first open slot 15 and can enter in cable splice closure 1.
Straight-through optical cable inlet/outlet pipe 13 is arranged on same one end of cable splice closure 1, and other end sealing arranges, and such form is exactly monofocal cable splice closure.
When straight-through optical cable access optical cable connector box 1 is interior, for guaranteeing the integrality of straight-through optical cable, do not need to cut off accessible, so first open slot 15 that can allow optical cable directly to pass through need to be set between two straight-through optical cable inlet/outlet pipes 13, the second open slot 16 that allows straight-through optical cable to pass through is set on two straight-through optical cable inlet/outlet pipes 13.When straight-through optical cable access optical cable connector box 1 is interior, optical cable after stripping (removing after optical cable outer protective sleeve the optical cable with loose sleeve pipe) is to U-shaped and stretches in cable splice closure 1, by wherein needing optical cable that difference is drawn to cut off rear leading in cable fusion joining disk 21, connect and will lead directly to and partly not cut off in storage disks (monofocal) and from clear opening, draw after coiling several circles.
Because bifurcation optical cable is generally single access, therefore just need to the first open slot 15 and the second open slot 16 be set around at bifurcation optical cable inlet/outlet pipe 14.
Further, between two the first elastic body optical cable O-ring seals, be connected with sealing strip 7, for the sealing of the first open slot 15.
Owing to being provided with the first open slot 15, after straight-through optical cable access optical cable connector box 1 is interior, also need the first open slot 15 to seal, to guarantee the sealing of cable splice closure 1.
Between two the first elastic body optical cable O-ring seals, sealing strip 7 is set, two the first elastic body optical cable O-ring seals are linked together into as a whole, meanwhile, the size of sealing strip 7 is corresponding with the first open slot 15, can seal the first open slot 15.For guaranteeing the sealing of sealing strip 7, a sealing block can also be set below sealing strip 7.
Further, sealing strip 7 is outside equipped with pressing plate 4, for press seal bar 7.
Pressing plate 4 is mainly press seal bar 7; The first elastic body optical cable O-ring seal is to realize its sealing to cable hole after compressing by the first packing ring 5.
Because the first elastic body optical cable O-ring seal and sealing strip 7 are elastic material, likely can be subject in use the impact of external environment to cause poorly sealed.
For addressing this problem, outside sealing strip 7, be provided with pressing plate 4, pressing plate 4 two ends are set to arc, be adjacent to the part outside surface of the first elastic body optical cable O-ring seal, centre is provided with web joint, web joint below is adjacent to sealing strip 7 tops, with screw, screws and presses down the sealing that realizes the first open slot 15; By screwing first nut 6 compression the first packing ring 5, the first packing rings 5, push elastomer sealing ring downwards time and make it fill up the gap between straight-through optical cable inlet/outlet pipe 13 and optical cable and realize the sealing of straight-through optical cable inlet/outlet pipe 13 simultaneously.
Further, cable splice closure 1 comprises the upper cover 17 that is fixed together and lower 18;
Optical cable welding dish 21, straight-through optical cable inlet/outlet pipe 13 and bifurcation optical cable inlet/outlet pipe 14 are all arranged on lower 18.
Cable splice closure 1 is set to upper cover 17 and lower 18 forms that are fixedly connected with.
Further, straight-through optical cable inlet/outlet pipe 13 is two, is coaxially arranged on respectively the two ends of lower 18;
Bifurcation optical cable inlet/outlet pipe 14 is multipair, and every pair of bifurcation optical cable inlet/outlet pipe 14 is coaxially arranged on the two ends of lower 18 respectively.
The two ends that straight-through optical cable inlet/outlet pipe 13 are arranged on to cable splice closure 1, two ends all seal by nut, and such form can be referred to as double-end type cable splice closure.
Further, cable splice closure turnover cable hole mechanically-sealing apparatus also comprises plug 2;
Plug 2 is arranged in straight-through optical cable inlet/outlet pipe 13 and/or bifurcation optical cable inlet/outlet pipe 14, in straight-through optical cable inlet/outlet pipe 13 and/or bifurcation optical cable inlet/outlet pipe 14, do not have optical cable by time seal.
At straight-through optical cable inlet/outlet pipe 13, do not used or when part bifurcation optical cable inlet/outlet pipe 14 is used, must seal the effectively sealing of assurance cable splice closure 1 to it.
In the present embodiment, adopt 2 pairs of straight-through optical cable inlet/outlet pipes 13 of plug or bifurcation optical cable inlet/outlet pipe 14 to seal.
Plug 2 is positioned at the innermost end of each optical cable inlet/outlet pipe, is placed in the endoporus of the first elastic body optical cable O-ring seal, and be when not filling optical cable, be used for sealing that the first elastic body optical cable O-ring seal uses; When optical cable is installed, this plug 2 is taken away need not.
Further, the second elastic body optical cable O-ring seal comprises minor diameter the second elastic body optical cable O-ring seal 8, middle diameter the second elastic body optical cable O-ring seal 9 and major diameter the second elastic body optical cable O-ring seal 10, for the sealing of different-diameter optical cable.
Because the diameter of optical cable is different, therefore need the optical cable O-ring seal of different-diameter.The diameter of bore of the second elastic body optical cable O-ring seal is set to large, medium and small three kinds of forms, goes for the optical cable of diameter between 8～22mm scope.When optical cable is installed, can, according to the scope of different optic cable diameters, select the cable hole O-ring seal in corresponding aperture to install.
Further, the first packing ring 5 and the first nut 6 are being arranged.
Due to the integrality of the straight-through optical cable of optical cable, complete packing ring and nut cannot be enclosed within on optical cable, and the form that therefore the first packing ring 5, the first nut 6 is all set to split is enclosed within on optical cable.
Packing ring can be used by docking, and at nut when being arranged, need to will chute 20 and slide rail 19 be set on two nuts, by the cooperation of chute 20 and slide rail 19, nut is fixed on optical cable inlet/outlet pipe, can make it to screw.
Monofocal cable splice closure comprises cable splice closure 1 and is arranged on straight-through optical cable inlet/outlet pipe 13 and the bifurcation optical cable inlet/outlet pipe 14 of its one end.Straight-through optical cable inlet/outlet pipe 13 comprises the first elastic body optical cable O-ring seal 3, pressing plate 4, plug 2, the plastic washer (the first packing ring 5) that can split and the plastic cap nut (the first nut 6) that can split; Bifurcation optical cable inlet/outlet pipe 14 also comprises plug 2, minor diameter the second elastic body optical cable O-ring seal 8, middle diameter the second elastic body optical cable O-ring seal 9, major diameter the second elastic body optical cable O-ring seal 10, plastic washer (the second packing ring 11) and plastic cap nut (the second nut 12).
The straight-through optical cable inlet/outlet pipe 13 of middle intercommunication and one end that bifurcation optical cable inlet/outlet pipe 14 is vertical at cable splice closure 1, in the straight-through optical cable inlet/outlet pipe 13 of middle intercommunication and the outside of bifurcation optical cable inlet/outlet pipe 14 mouths of pipe and the inner side of the first nut 6 that can split, all there is the screw thread cooperatively interacting.The first elastic body optical cable O-ring seal 3 and pressing plate 4, for the sealing of straight-through optical cable inlet/outlet pipe 13 and the first open slot 15 and second open slot 16 of intercommunication; On the first elastic body optical cable O-ring seal 3, be provided with two holes for optical cables of correspondence mutually, on the first packing ring 5 that can split, be provided with at least one holes for optical cables of correspondence mutually.The first elastic body optical cable O-ring seal 3 and the first packing ring 5 that can split are placed in two optical cable inlet/outlet pipes of splitting successively, by spinning nut on straight-through optical cable inlet/outlet pipe 13, corresponding the first elastic body optical cable O-ring seal 3 carries out axial compression, can seal the optical cable penetrating.
The first elastic body optical cable O-ring seal 3 and pressing plate 4, fixes by screw with cable splice closure 1, and middle interconnecting piece divides the part that is mainly used for sealing opening between two optical cable inlet/outlet pipes, and this opening is used for installing straight-through optical cable and uses.
Plug 2 is placed in the innermost end in each optical cable inlet/outlet pipe, is when not filling optical cable, is used for sealing that optical cable inlet/outlet pipe uses; When optical cable is installed, this plug 2 can be taken away need not.
The first elastic body optical cable O-ring seal 3 is enclosed within on plug 2 in the first open slot 15, and this first elastic body optical cable O-ring seal 3 has the type of different pore size available.
Minor diameter the second elastic body optical cable O-ring seal 8 is enclosed within on plug 2 in difference hole, middle diameter the second elastic body optical cable O-ring seal 9 is enclosed within on minor diameter the second elastic body optical cable O-ring seal 8, major diameter the second elastic body optical cable O-ring seal 10 is enclosed within on middle diameter the second elastic body optical cable O-ring seal 9.
The first elastic body optical cable O-ring seal 3 and little, in, major diameter the second elastic body optical cable O-ring seal 10, it is applicable to the optical cable of 8～22mm scope diameter.When straight-through optical cable is installed, can, according to the scope of different optic cable diameters, select the first elastic body optical cable O-ring seal 3 in corresponding aperture to install; When bifurcation optical cable is installed, if diameter optical cable in installing can be taken away minor diameter O-ring seal not; If major diameter optical cable is installed, little, middle diameter O-ring seal can be taken away not.
The first elastic body optical cable O-ring seal 3 and little, in, major diameter the second elastic body optical cable O-ring seal, under the nut spinning effect on straight-through and bifurcation optical cable inlet/outlet pipe 14, elastomer sealing ring is because axial compression and tube wall stops, thereby make its inside extension impel aperture to diminish and hold optical cable tightly, and then play the effect of sealing optical cable.Sealing device no longer needs to use sealant tape can reach fabulous sealing effectiveness, is the cable sealing device of a kind of simple and fast " foolproof ".
Little, in, major diameter the second elastic body optical cable O-ring seal, when bifurcation optical cable is installed, optical cable directly penetrates; The first elastic body optical cable O-ring seal 3, when straight-through optical cable is installed, use scissors vertical dedolation in outside, to facilitate the straight-through optical cable after stripping to penetrate.
The first packing ring 5 is structural designs that two halves are split, and by register pin and locating slot, links together, and the installation of convenient straight-through optical cable, is arranged between the first elastic body optical cable O-ring seal 3 and the first nut 6.
The first nut 6 is structural designs that two halves are split, and by vertical slot, links together, be screwed spacing, the installation of convenient straight-through optical cable.The second nut 12 using when bifurcation optical cable is installed need not be split design and open, and when optical cable is led directly in installation, just the first nut 6 need to be split.
At the bottom of box, optical cable inlet/outlet pipe, can split washer and can all adopt the engineering plastics of high strength and high tenacity to make by half nut, strong but pliable in texture, mechanical property is excellent, tensile strength and impact strength are very excellent, its hardness has surpassed the scope that termite can sting erosion.And optical cable inlet/outlet pipe, can half nut with can split plastic washer can together with the elastomer sealing ring being arranged in optical cable inlet/outlet pipe is played a protective role; can play good termite-proof effect; and at the bottom of box, optical cable inlet/outlet pipe, can split washer and can half nut; can protect well the first elastic body optical cable O-ring seal 3 and little, in, major diameter the second elastic body optical cable O-ring seal and extraneous contacting, effectively solved the problem that cable splice closure sealing position is aging, sealing property is not good.
When bifurcation optical cable is installed, minor diameter optical cable is installed, is directly penetrated optical cable; In installation, during diameter optical cable, minor diameter the second elastic body optical cable O-ring seal 8 can be taken away not; When major diameter optical cable is installed, minor diameter the second elastic body optical cable O-ring seal 8 and middle diameter the second elastic body optical cable O-ring seal 9 can be taken away not.When straight-through optical cable is installed, can, according to the scope of different optic cable diameters, select the first elastic body optical cable O-ring seal 3 in corresponding aperture to install.
The first packing ring 5 is structural designs that two halves are split, and left split washer, right split washer link together by register pin and locating slot, the installation of convenient straight-through optical cable, be arranged on the first elastic body optical cable O-ring seal 3 and the first nut 6 of splitting between.
The first nut 6 is structural designs that two halves are split, and left half nut and right half nut link together by vertical chute 20 and slide rail 19, be screwed spacing, the installation of convenient straight-through optical cable.When bifurcation optical cable is installed, split plastic cap nut and need not open, when optical cable is led directly in installation, split plastic cap nut and just can open.
Straight-through optical cable inlet/outlet pipe 13, bifurcation optical cable inlet/outlet pipe 14, the first packing ring 5, the second packing ring 11, the first nut 6 and the second nut 12 all adopt the engineering plastics of high strength and high tenacity to make, strong but pliable in texture, mechanical property is excellent, tensile strength and impact strength are very excellent, and its hardness has surpassed the scope that termite can sting erosion.And optical cable inlet/outlet pipe, the nut that can split play a protective role to the first elastic body optical cable O-ring seal 3 being arranged in optical cable inlet/outlet pipe together with the packing ring that can split; can play good termite-proof effect; and optical cable inlet/outlet pipe, can split washer and can half nut; can protect well the first elastic body optical cable O-ring seal 3 (little, in, major diameter the second elastic body optical cable O-ring seal) and extraneous contacting, effectively solve the problem that connector box sealing position is aging, sealing property is not good.
Double-end type cable splice closure comprises by upper cover 17, lower 18 cable splice closures that form 1 and the first half of being located at lower 18 two ends thereof splits the straight-through optical cable inlet/outlet pipe 13 that can take out.Straight-through optical cable inlet/outlet pipe 13 comprises the first nut 6 of splitting straight-through optical cable inlet/outlet pipe 13, plug 2, the first elastic body optical cable O-ring seal 3, the first packing ring 5 that can split and can splitting; The first half is split the straight-through optical cable inlet/outlet pipe 13 that can take out and is vertical on cable splice closure 1 two ends, in the first half, splits the outside of straight-through optical cable inlet/outlet pipe 13 mouths of pipe that can take out and the interior survey of the first nut 6 that can split, all has the screw thread cooperatively interacting.Split straight-through optical cable inlet/outlet pipe 13 seals, for straight-through optical cable inlet/outlet pipe 13 and the sealing of splitting part; On the first elastic body optical cable O-ring seal 3 and the first packing ring 5 that can split, be provided with at least one corresponding holes for optical cables mutually.The first elastic body optical cable O-ring seal 3 and the first packing ring 5 that can split are placed in straight-through optical cable inlet/outlet pipe 13 successively, by spinning the first nut 6 on straight-through optical cable inlet/outlet pipe 13, corresponding clear opening O-ring seal carries out axial compression, can seal the optical cable penetrating.
Plug 2 is positioned at the innermost end of each optical cable inlet/outlet pipe, is placed in the endoporus of straight-through cable O-ring seal, and be when not filling optical cable, be used for sealing that the first elastic body optical cable O-ring seal uses; When optical cable is installed, this plug 2 is taken away need not.
The axial both sides of splitting straight-through optical cable inlet/outlet pipe 13 are inclined-plane, match with cable splice closure 1 corresponding position, by vertically tightening of four screws, component in vertical direction and horizontal direction pushes splitting straight-through optical cable inlet/outlet pipe 13 seals, fitted in lower plane and left and right side, thereby play the effect of sealing.
The first elastic body optical cable O-ring seal 3 is in the first open slot 15 and be enclosed within on plug 2, and this first elastic body optical cable O-ring seal 3 has without the type in aperture available.
The first elastic body optical cable O-ring seal 3, it is applicable to the optical cable of diameter between 8～22mm scope.When straight-through optical cable is installed, can, according to the scope of different optic cable diameters, select the first elastic body optical cable O-ring seal 3 in corresponding aperture to install.
The first packing ring 5 is structural designs that two halves are split, and by pin and corresponding hole, links together, and the installation of convenient straight-through optical cable, is arranged on the first elastic body optical cable O-ring seal 3 and splits between plastic cap nut.
The first elastic body optical cable O-ring seal 3, under the nut spinning effect on straight-through optical cable inlet/outlet pipe 13, elastomer sealing ring, because axial compression and tube wall stops, is held optical cable tightly thereby make its inside extension impel aperture to diminish, and then is played the effect of sealing optical cable.Sealing device no longer needs to use sealant tape can reach good sealing effectiveness, is a kind of cable sealing device of simple and fast.
The utility model cable splice closure turnover cable hole mechanically-sealing apparatus, the straight-through optical cable docking in cable splice closure 1 by the first elastic body optical cable O-ring seal 3, the first packing ring 5 and the first nut 6 seals, and by the bifurcation optical cable in the second elastic body optical cable O-ring seal, the second packing ring 11 and 12 pairs of access joint cable splice closures 1 of the second nut, seals; The mode of sealing is to be threaded and the cooperation of O-ring seal, so just can use unvulcanised single-coated foam or stick with paste the modes such as glue and seal, the packoff that has solved cable splice closure 1 is aging, the not good problem of sealing property easily, simple to operate, can repeatedly reuse.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a cable splice closure turnover cable hole mechanically-sealing apparatus, is characterized in that, comprises cable splice closure and optical cable welding dish;
Described optical cable welding dish is arranged in described cable splice closure, for connecting straight-through optical cable and bifurcation optical cable;
One end of described cable splice closure is provided with the straight-through optical cable inlet/outlet pipe passing through for straight-through optical cable and the bifurcation optical cable inlet/outlet pipe passing through for bifurcation optical cable;
On described straight-through optical cable inlet/outlet pipe, be provided with the first elastic body optical cable O-ring seal, the first packing ring and the first nut;
Described the first elastic body optical cable O-ring seal is arranged in described straight-through optical cable inlet/outlet pipe, and its one end away from described cable splice closure is provided with described the first packing ring;
Described straight-through optical cable inlet/outlet pipe periphery is provided with the external thread using with the screw-internal thread fit of described the first nut, for coordinating described straight-through optical cable inlet/outlet pipe is sealed with described the first nut;
On described bifurcation optical cable inlet/outlet pipe, be provided with the second elastic body optical cable O-ring seal, the second packing ring and the second nut;
Described the second elastic body optical cable O-ring seal is arranged in described bifurcation optical cable inlet/outlet pipe, and its one end away from described cable splice closure is provided with described the second packing ring;
Described bifurcation optical cable inlet/outlet pipe periphery is provided with the external thread using with the screw-internal thread fit of described the second nut, for coordinating described bifurcation optical cable inlet/outlet pipe is sealed with described the second nut.
2. cable splice closure turnover according to claim 1 cable hole mechanically-sealing apparatus, is characterized in that, described straight-through optical cable inlet/outlet pipe is two, is all arranged on same one end of described cable splice closure;
Described bifurcation optical cable inlet/outlet pipe is a plurality of, is all arranged on one end that described cable splice closure is provided with described straight-through optical cable inlet/outlet pipe.
3. cable splice closure turnover according to claim 2 cable hole mechanically-sealing apparatus, is characterized in that, is provided with the first open slot that is communicated with two described straight-through optical cable inlet/outlet pipes between two described straight-through optical cable inlet/outlet pipes;
On two described straight-through optical cable inlet/outlet pipes, be provided with the second open slot being communicated with described the first open slot, can make optical cable not need to cut off by described the second open slot and described the first open slot and can enter in described cable splice closure.
4. cable splice closure turnover according to claim 3 cable hole mechanically-sealing apparatus, is characterized in that, is connected with sealing strip, for the sealing of described the first open slot between two described the first elastic body optical cable O-ring seals.
5. cable splice closure turnover according to claim 4 cable hole mechanically-sealing apparatus, is characterized in that, described sealing strip is outside equipped with pressing plate, for compressing described the first elastic body optical cable O-ring seal and described sealing strip.
6. cable splice closure according to claim 1 turnover cable hole mechanically-sealing apparatus, is characterized in that, described cable splice closure comprises the upper cover that is fixed together and lower;
Described optical cable welding dish, described straight-through optical cable inlet/outlet pipe and described bifurcation optical cable inlet/outlet pipe are all arranged on described lower.
7. cable splice closure turnover according to claim 6 cable hole mechanically-sealing apparatus, is characterized in that, described straight-through optical cable inlet/outlet pipe is two, is coaxially arranged on respectively the two ends of described lower;
Described bifurcation optical cable inlet/outlet pipe is multipair, and every pair of described bifurcation optical cable inlet/outlet pipe is coaxially arranged on the two ends of described lower respectively.
8. cable splice closure turnover according to claim 1 cable hole mechanically-sealing apparatus, is characterized in that, also comprises plug;
Described plug is arranged in described straight-through optical cable inlet/outlet pipe and/or bifurcation optical cable inlet/outlet pipe, in described straight-through optical cable inlet/outlet pipe and/or bifurcation optical cable inlet/outlet pipe, do not have optical cable by time seal.
9. cable splice closure according to claim 1 passes in and out cable hole mechanically-sealing apparatus, it is characterized in that, described the second elastic body optical cable O-ring seal comprises minor diameter the second elastic body optical cable O-ring seal, middle diameter the second elastic body optical cable O-ring seal and major diameter the second elastic body optical cable O-ring seal, for the sealing of different-diameter optical cable.
10. according to the cable splice closure turnover cable hole mechanically-sealing apparatus described in claim 1-9 any one, it is characterized in that, described the first packing ring and described the first nut are being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329443.0U CN203881988U (en) | 2014-06-19 | 2014-06-19 | Mechanical sealing apparatus of optical cable holes of optical cable junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329443.0U CN203881988U (en) | 2014-06-19 | 2014-06-19 | Mechanical sealing apparatus of optical cable holes of optical cable junction box |
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| CN203881988U true CN203881988U (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420329443.0U Active CN203881988U (en) | 2014-06-19 | 2014-06-19 | Mechanical sealing apparatus of optical cable holes of optical cable junction box |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765111A (en) * | 2014-11-17 | 2015-07-08 | 宁波余大通信技术有限公司 | Self-sealing optical cable joint box base |
| WO2018058631A1 (en) * | 2016-09-30 | 2018-04-05 | 华为技术有限公司 | Splice closure and method for installing optical cable |
| CN111965773A (en) * | 2020-08-26 | 2020-11-20 | 烽火通信科技股份有限公司 | Packaging device for nut sealing joint box and nut sealing joint box assembly |
-
2014
- 2014-06-19 CN CN201420329443.0U patent/CN203881988U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765111A (en) * | 2014-11-17 | 2015-07-08 | 宁波余大通信技术有限公司 | Self-sealing optical cable joint box base |
| WO2018058631A1 (en) * | 2016-09-30 | 2018-04-05 | 华为技术有限公司 | Splice closure and method for installing optical cable |
| CN109791263A (en) * | 2016-09-30 | 2019-05-21 | 华为技术有限公司 | It is a kind of for installing the connector box and method of optical cable |
| US20190227236A1 (en) * | 2016-09-30 | 2019-07-25 | Huawei Technologies Co., Ltd. | Splice Closure and Method for Installing Optical Cable |
| US10921521B2 (en) | 2016-09-30 | 2021-02-16 | Huawei Technologies Co., Ltd. | Splice closure and method for installing optical cable |
| CN111965773A (en) * | 2020-08-26 | 2020-11-20 | 烽火通信科技股份有限公司 | Packaging device for nut sealing joint box and nut sealing joint box assembly |
| CN111965773B (en) * | 2020-08-26 | 2023-03-14 | 烽火通信科技股份有限公司 | Packaging device for nut sealing joint box and nut sealing joint box assembly |
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| C14 | Grant of patent or utility model | ||
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Address after: 315400 No.2, sunny West Road, Xinqiao village, Yangming street, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo fabo Mingte communication equipment Co.,Ltd. Address before: 315400 No.2, sunny West Road, Xinqiao village, Yangming street, Yuyao City, Ningbo City, Zhejiang Province Patentee before: YUYAO MINGBO COMMUNICATION EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |