CN206975279U - One kind is easy to install to safeguard cable splice closure - Google Patents

Abstract

It the utility model is related to and a kind of easy to install safeguard cable splice closure, bead mount is fixed including cassette bottom, lid and the optical cable in cassette bottom and lid, cassette bottom is provided with multiple Button Blocks directed downwardly on the upper flange periphery at the top of wainscot sheathing, lid be interval with the lower flange periphery of cornice sheathing bottom it is multiple upward and hinged seat corresponding with Button Block, ring side retention mechanism is connected at each corresponding hinged seat of lid and the Button Block of cassette bottom, and prefabricated sealing joint strip is crimped in the lower annular groove of lid and the upper annular groove of cassette bottom；Cassette bottom enters cable pipe on the wainscot sheathing at both ends provided with overhanging at least two, is provided with external screw thread in the cable pipe that enters of hollow form, respectively enters on cable pipe the port sealing mechanism that is provided with and can dismantle.The utility model is rational in infrastructure, and assembling, attended operation are simple and convenient, can improve integral protection performance, have good air-tightness, can be suitably used for using under the various adverse circumstances such as immersion, high temperature, humidity, intensive ultraviolet.

Description

One kind is easy to install to safeguard cable splice closure

Technical field

It the utility model is related to a kind of optical fiber distributing technology neck easy to install safeguarded cable splice closure, belong to optic communication transmission Domain.

Background technology

At present, the prevailing transmission mode for having evolved into various communication networks of optical fiber cable.Its transmission capacity is big, transmission speed Degree is fast, strong antijamming capability, the particular advantages such as small volume, in light weight, it is entered the popular visual field step by step.

As informatization deepens continuously, Optical Access Network is built like a raging fire.How according to network structure plan with And the actual conditions of engineering construction, reasonable design and selection optical cable transmission distribution plant, it is the communication fortune run an enterprise on a commercial entirely at present The problem of battalion headquarter's door and manufacture research and development department consider in the decision-making of project construction schemes.Safest network guarantee, most pass through The arrangement and method for construction of Ji, the low cost of overall network are built, network continues, and dilatation etc. is in Optical Access Network design and the weight built Weight.The network structure of Optical Access Network will meet both sides demand simultaneously：Firstth, optical networking will be that upper strata access device carries For flexible, reliable physical connection, the networking requirements of various topological structures, such as tree-like, star, annular, to each are adapted to Kind business demand provides unified carrying.Second, in access network aspect, the demand of user is not only rich and varied, and changes soon, no Certainty is big.On the other hand, Optical Access Network need to use for reference traditional copper cable planar network architecture, using the concept of layering, divide access network to main body Partly (such as backbone optical cable) and tip portion (such as leading in cable), pass through stablizing relatively to realize network for retainer body part It can run, can manage and sustainable development, terminal user is adapted to not by the flexible deployment and quick response of tip portion Certainty simultaneously realizes flexible access.

Cable splice closure is fused fiber splice, distribution, scheduling, the light in test being widely used between Optical Access Network optical cable Communication terminal device, be signal transmission, the hinge of scheduling and conversion between optical signal transceiver equipment, have optical signal scheduling, The functions such as switching.The cable splice closure as disclosed in CN 104238056A is made up of cassette bottom and lid, sets several molten in cassette bottom Disk is connect, the perforate of connector box both ends, annular disjunctor seal is set between cassette bottom and lid, by secure component by lid and cassette bottom machine Tool seals, and sets in sealing and covers respectively above the both ends of disjunctor seal, the end of lid and disjunctor seal is formed below in sealing Two holes for optical cables, the interior setting of holes for optical cables is fluted to have plastic washer, is somebody's turn to do and is provided with fixed seat in cassette bottom, by fixed seat to line Cable is fixed.This structure not only attended operation when need to take a long time, and box body sealing also is difficult to be protected Card, it is impossible to adapt to part such as pipeline, the severe place of buried use environment.

The content of the invention

The purpose of this utility model is to provide a kind of rational in infrastructure, and assembling, attended operation are simple and convenient, can improve and integrally prevent Performance is protected, there is good air-tightness, can be suitably used for the easy to install of the various adverse circumstances such as immersion, high temperature, humidity, intensive ultraviolet Safeguard cable splice closure.

The utility model is that the technical scheme for reaching above-mentioned purpose is：One kind is easy to install to safeguard cable splice closure, including box Bottom, lid and the optical cable in cassette bottom and lid fix bead mount, it is characterised in that：

There is described cassette bottom curved plate and the surrounding wainscot sheathing integral with curved plate to be formed and consolidated for installing optical cable Determine the lower chamber of bead mount, and cassette bottom surface is evenly equipped with multiple lower arc muscle, cassette bottom is provided with the upper of evagination at the top of wainscot sheathing Flange, the top surface of upper flange have be used to the upper annular groove of prefabricated sealing joint strip be installed, periphery is provided with multiple Button Blocks directed downwardly；

There is described lid curved roof and the surrounding cornice sheathing integral with curved roof to be formed and consolidated for accommodating optical cable Determine the upper cavity of bead mount, and lid surface is evenly equipped with multiple upper arc muscle, lid is provided with the laxative remedy of evagination in cornice sheathing bottom Orchid, the bottom surface of lower flange have be used to the lower annular groove of prefabricated sealing joint strip be installed, periphery be interval with it is multiple upward and with buckleing Hinged seat corresponding to seat, hinged seat both sides are provided with hinge hole；

Ring side retention mechanism is connected at each corresponding hinged seat of lid and the Button Block of cassette bottom, described ring side fastening machine Structure, which includes pulling, refers to panel and annular buckle, and the groove for pulling finger lower panels is arranged on lid hinged seat, and is pulled and referred to the two of panel Jointed shaft is arranged in the hinge hole of lid hinged seat, is pulled and is referred to panel towards lid side provided with locking neck and positioned at locking clamp The solution locking trough of groove bottom, the upper ring of annular buckle while and slope inwardly during lower ring, the lower ring side of annular buckle is sleeved on cassette bottom Button Block and positioned at upper flange bottom, be arranged on the upper ring side of annular buckle pull refer to panel on locking neck in, lower ring While applying thrust to the upper flange of cassette bottom, prefabricated sealing joint strip is crimped on to the lower annular groove of lid and the upper annular groove of cassette bottom It is interior；It is arranged on and is pulled in the solution locking trough for referring to panel on the upper ring side of annular buckle, releases the thrust to the upper flange of cassette bottom；

The cassette bottom enters cable pipe on the wainscot sheathing at both ends provided with overhanging at least two, is provided with the cable pipe that enters of hollow form External screw thread, respectively enter on cable pipe the port sealing mechanism that is provided with and can dismantle；End sealing mechanism includes being used to seal optical cable Elastic seal cartridge, secondary seal connector and attachment cap, described secondary seal connector has interior adapter sleeve and outer connection Set, the endoporus of interior adapter sleeve have the loop at internal thread segment and rear portion, and outer adapter sleeve periphery is provided with external screw thread and positioned at outer spiral shell The reduced diameter portion formed on the outside of line by multiple axial notch, elastic seal cartridge are sealingly mounted at into the hole of cable pipe, and elasticity is close Big envelope has a taper hole of interior expansion from inside to outside, the interior adapter sleeve of secondary seal connector be screwed in on cable pipe and will elasticity it is close The outer annular edge of big envelope is squeezed in between the loop of the end face of cable pipe and interior adapter sleeve, and attachment cap is screwed on outer adapter sleeve simultaneously Extrude reduced diameter portion radial contraction；

Described optical cable, which fixes bead mount, includes weight tray, multiple optical cable weldings protection pallet and for adding to optical cable The earthing rod of strong core ground connection, weight tray are arranged in cassette bottom, and the both ends of weight tray are provided with T-shaped button, and weight tray is in T-shaped button Periphery has aperture, and the earthing rod with threading hole is connected on weight tray and on the inside of T-shaped button, is provided with earthing rod Tightening stud, the optical cable welding protection pallet of bottom are arranged on weight tray and between earthing rod, are stacked what is be hinged and connected Each optical cable welding protection pallet is hinged on the optical cable welding protection pallet of bottom.

The lid of the utility model cable splice closure uses the surrounding cornice sheathing with curved roof with curved roof one, The upper cavity that bead mount is fixed for accommodating optical cable can be formed, turns into the physics parking space after optical cable welding distribution, and box Surrounding wainscot sheathing of the bottom using curved plate and with curved plate one, forms and is fixed for installing optical cable under bead mount Cavity, turns into the space for the operation that optical cable is welding distribution, and can conveniently operate, and six are internally formed after lid is connected with cassette bottom The confined space of face body, because cassette bottom and lid surface are respectively provided with reinforcing rib structure, and it is uniformly distributed along surface, integrally meets Mechanics designs, and can improve the mechanical performance of entirety, the influence effectively resisted the impact of weight or itself fallen.

The lower flange periphery of the utility model lid is interval with multiple hinged seats upward, and the upper flange periphery of cassette bottom Provided with multiple Button Blocks under corresponding with hinged seat, when pulling for ring side retention mechanism refers to panel and be hinged on lid, due to ring The upper ring of shape buckle while and slope inwardly during lower ring, the lower ring side of annular buckle is sleeved on the Button Block of cassette bottom and positioned at upper flange Bottom, and ought then be arranged in the locking neck for pulling finger panel or solution locking trough on ring side thereon, pulling finger panel by operation makes ring The upper ring side of shape buckle is arranged in locking neck or solution locking trough, and can be locked or unlocked operation, without using fastening Part, without using assembly tool, there is good simple operation, convenience quick for installation, at the same be also easy to repeat to open into Row is safeguarded.The utility model lid is provided with the lower flange of evagination in cornice sheathing bottom, while cassette bottom is provided with the top of wainscot sheathing The upper flange of evagination, the bottom surface of lower flange and the top surface of upper flange are respectively provided with the lower annular groove for installing prefabricated sealing joint strip With upper annular groove, prefabricated sealing joint strip can be arranged in upper annular groove and lower annular groove, when passing through multiple ring sides retention mechanism Lid and cassette bottom installation are fastened and extrude prefabricated sealing joint strip, prefabricated sealing joint strip is sufficient filling with cassette bottom and lid Upper annular groove and lower annular groove in, lid and cassette bottom is formed confined space, it is air tight to bear more than 100kPa air pressure, Because the sealing structure on lid and cassette bottom can form the sealing protection of globality and uniformity, and it is reusable, it is ensured that light Cable pipeline connector quality.The utility model be provided with cassette bottom both ends wainscot sheathing both ends it is overhanging it is integral enter cable pipe, make backbone optical cable, Feeder line optic cable is introduced in box body with bifurcation optical cable by entering cable pipe, and is respectively entered on cable pipe to be provided with and be can be removably mounted and for being carried out to optical cable The port sealing mechanism that elastic seal cartridge, secondary seal connector and the attachment cap of sealing are formed, elastic seal cartridge sealing installation Entering in cable pipe, by the taper hole of elastic seal cartridge interior expansion from inside to outside, being enclosed on elastic packing, diameter direction is compressible to stretch When opening up, therefore box body can be entered for different-diameter optical cable, it is adjusted by the decrement of elastic seal cartridge, can be with optical cable Form good sealing.The utility model secondary seal connector has an interior adapter sleeve and outer adapter sleeve, in the hole of interior adapter sleeve With internal thread segment and loop, when secondary seal connector is screwed in on cable pipe, the outer annular edge of elastic seal cartridge can be squeezed It is pressed in between the loop of the end face of cable pipe and interior adapter sleeve, realizes end face seal and sealing property can be strengthened.This practicality is new There is the reduced diameter portion that multiple axial notch are formed on the outside of external screw thread on the outer adapter sleeve of type secondary seal connector, even Connect cap to be screwed on outer adapter sleeve, the reduced diameter portion of the outer adapter sleeve of secondary seal connector can be extruded, make secondary seal connector Outside is inwardly reduced into cable mouth diameter, forms outermost end sealing protection, therefore port sealing mechanism of the present utility model can realize Multistage protection, the protection method of more traditional two semicircles have more preferable barrier propterty.The utility model cable splice closure uses Distinctive attachment structure and sealing structure, new I＆ M are repeated after assembling, and the optical cable that its barrier propterty reaches IP68 levels connects The requirement of head cartridge, box body barrier propterty and air-tightness are not interfered with after fiercely impacting or fall from high altitude, with optical cable welding point Discrimination defencive function, assembling simple operations are convenient, and service response is rapid, and box body barrier propterty is good, can be suitably used for immersion, high temperature, tide The various adverse circumstances such as wet, intensive ultraviolet use.

Brief description of the drawings

Embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.

Fig. 1 is the utility model dimensional structure diagram easy to install for safeguarding cable splice closure.

Fig. 2 is the utility model structural representation easy to install for safeguarding cable splice closure.

Fig. 3 is Fig. 2 overlooking the structure diagram.

Fig. 4 is Fig. 3 A-A cross section structure diagrams.

Fig. 5 is the structural representation that Fig. 1 removes lid.

Fig. 6 be Fig. 5 B to structural representation.

Fig. 7 is the structural representation of the utility model elastic seal cartridge.

Wherein：1-attachment cap, 2-secondary seal connector, 2-1-outer adapter sleeve, 2-21-reduced diameter portion, 2-22- Axial notch, 2-2-interior adapter sleeve, 3-lid, 3-1-cornice sheathing, 3-2-end gusset, 3-3-curved roof, 3-4-on Arc muscle, 3-5-hinged seat, 3-6-lower flange, 3-61-lower annular groove, 4-cassette bottom, 4-1-enter cable pipe, 4-2-wainscot sheathing, 4-3-mounting seat, 4-4-curved plate, 4-5-lower arc muscle, 4-6-Button Block, 4-7-upper flange, 4-71-upper annular groove, 5-annular buckle, 6-pull finger panel, 6-1-jointed shaft, 6-2-locking neck, 6-3-solution locking trough, 7-elastic packing Set, 7-1-outer annular edge, 7-2-anchor ring, the 7-3-conical surface, 7-4-taper hole, 8-prefabricated sealing joint strip, 9-tightening stud, 10-earthing rod, 11-optical cable welding protection pallet, 12-weight tray, 12-1-T-shaped button.

Embodiment

As shown in Fig. 1~6, one kind of the present utility model is easy to install to safeguard cable splice closure, including cassette bottom 4, lid 3 and peace Optical cable in cassette bottom 4 and lid 3 fixes bead mount.

As shown in Fig. 1~6, the utility model cassette bottom 4 has curved plate 4-4 and the surrounding with curved plate 4-4 one Wainscot sheathing 4-2 forms the lower chamber that bead mount is fixed for installing optical cable, makes cassette bottom 4 that the behaviour of optical cable welding distribution be integrally formed To make space, hexahedral confined space is internally formed after being bonded with lid 3, the surface of cassette bottom 4 is evenly equipped with multiple lower arc muscle 4-5, under Arc muscle 4-5 is arranged on outer surface and the inner surface of cassette bottom 4, and cassette bottom 4 is provided with the upper flange 4-7 of evagination at the top of wainscot sheathing 4-2, on Flange 4-7 top surfaces have for installing the upper annular groove 4-71 of prefabricated sealing joint strip 8, periphery is provided with multiple Button Block 4-6 directed downwardly, Prefabricated sealing joint strip 8 is pressed into the dash dykes and dams formed after upper annular groove 4-71 spatially, prefabricated fluid sealant of the present utility model Bar 8 is degree of lip-rounding structure, can be made of rubber, and the bottom surface of prefabricated sealing joint strip 8 has indent conduit, top both sides to taper supreme put down Face, because prefabricated sealing joint strip 8 is overall structure structure, not only facilitate installation, and after can guarantee that lid 3 and cassette bottom 4 are installed The uniformity of sealing, it is reusable, and the air pressure that can bear more than 100kPa is air tight, makes to keep sealed environment in box body, Ensure lightguide cable link joint quality.

As shown in Fig. 1~6, the mounting seat 4-3 for being surrounded by evagination of the utility model cassette bottom 4, mounting seat 4-3 are provided with Connector with mounting hole, due to the reserved mating connector using installation, the installation requirement under various environment can be met.

As shown in Fig. 1~5, lid 3 of the present utility model has the surrounding of curved roof 3-3 and curved roof 3-3 one Cornice sheathing 3-1 formed for accommodate optical cable fix bead mount upper cavity, lid 3 formed optical cable welding distribution after physics deposit Between emptying, the surface of lid 3 is evenly equipped with multiple upper arc muscle 3-4, and arc muscle 3-4 is arranged on outer surface and the inner surface of lid 3 on this, this Utility model lid 3 and cassette bottom 4 can integrally meet mechanics design by outer surface and the reinforcing rib structure of inner surface, can be effective The influence resisted the impact of weight or itself fallen.For convenience of installation, further to improve the impact resistance of lid 3, on lid 3 Wallboard 3-1 both ends are provided with end gusset 3-2, and hold gusset 3-2 corresponding with entering cable pipe 4-1, can increase and enter cable pipe when pushing down cassette bottom 4 Pressing intensity at 4-1.

As shown in Fig. 1~4, the utility model lid 3 is provided with the lower flange 3-6 of evagination, lower flange in cornice sheathing 3-1 bottoms 3-6 bottom surfaces have be used for the lower annular groove 3-61 of prefabricated sealing joint strip 8 is installed, periphery be interval with it is multiple upward and with Button Block 4- Hinged seat 3-5 corresponding to 6, prefabricated sealing joint strip 8 is pressed into after lower annular groove 3-61 make lid 3 be bonded with cassette bottom 4 to be formed it is closed Space, and hinged seat 3-5 both sides are provided with hinge hole, can will pull and refer to panel 6 on hinged seat 3-5, and finger is pulled by operation Panel 6 realizes installation fixation and the opening of lid 3 and cassette bottom 4.

As shown in Fig. 1~6, the utility model ring side retention mechanism is connected to the hinged seat 3-5 of lid 3 and the button of cassette bottom 4 At seat 4-6, ring side retention mechanism, which includes pulling, refers to panel 6 and annular buckle 5, and the groove for pulling finger panel 6 bottom is arranged on lid 3 On hinged seat 3-5, and the two jointed shaft 6-1 for pulling finger panel 6 are arranged in its hinged seat of lid 3 3-5 hinge hole, pull finger panel 6 are provided with locking neck 6-2 and the solution locking trough 6-3 positioned at locking neck 6-2 bottoms, the annular buckle 5 towards the side of lid 3 Upper ring while and slope inwardly during lower ring, a trapezium structure being vertically arranged can be formed, and the lower ring side of annular buckle 5 is sleeved on box The Button Block 4-6 at bottom 4 and the bottom for being located at upper flange 4-7, make to pull finger panel 6 and annular buckle 5 is arranged on lid 3 and cassette bottom 4 And two engaged components are formed, be arranged on the upper ring side of annular buckle 5 in the locking neck 6-2 for pulling and referring on panel 6, Upper flange 4-7 from lower ring side to cassette bottom 4 apply thrust, by prefabricated sealing joint strip 8 be crimped on lid 3 lower annular groove 3-61 and In the upper annular groove 4-71 of cassette bottom 4；It is arranged on and is pulled in the solution locking trough 6-3 for referring to panel 6 on the upper ring side of annular buckle 5, is released To the thrust on the upper flange 4-7 of cassette bottom 4, conveniently pull and refer to the progress locking operation of panel 6 or unblock operation, without using tight Gu part, without using assembly tool, there is good install convenient.

As shown in Fig. 1~6, the utility model cassette bottom 4 enters cable on the wainscot sheathing 4-2 at both ends provided with overhanging at least two Pipe 4-1, this enters cable pipe 4-1 and is structure as a whole with cassette bottom 4, can be by backbone optical cable, feeder line optic cable and bifurcation optical cable by entering cable pipe 4-1 Into in box body, external screw thread is provided with the cable pipe 4-1 that enters of hollow form, respectively enters on cable pipe 4-1 and the port sealing that can be removably mounted is installed Mechanism.As shown in Fig. 1~7, the utility model port sealing mechanism include be used for optical cable is sealed elastic seal cartridge 7, Secondary seal connector 2 and attachment cap 1, the secondary seal connector 2 include interior adapter sleeve 2-2 and outer adapter sleeve 2-1, interior connection Set 2-2 has a loop at internal thread segment and rear portion, and outer adapter sleeve 2-1 peripheries be provided with external screw thread and positioned at external screw thread outside by The reduced diameter portion 2-21 that multiple axial notch 2-22 are formed, the interior adapter sleeve 2-2 of secondary seal connector 2 internal diameter are more than outer company Female connector 2-1 internal diameter, the interior adapter sleeve 2-2 peripheries of secondary seal connector 2 are polygons more than both sides, such as use six sides Shape, the screw thread on interior adapter sleeve 2-2 is threaded onto on cable pipe 4-1 by hand rotation and tool operation.

As shown in Fig. 4,7, elastic seal cartridge 7 of the present utility model is sealingly mounted at into cable pipe 4-1 hole, and elasticity is close Big envelope 7 has the taper hole 7-4 of interior expansion from inside to outside, and the elastic seal cartridge 7 makes elasticity close using the rubber parts of compressible stretching, extension Big envelope 7 is in diameter direction and axially compressible stretching, extension, for different-diameter optical cable through after the taper hole 7-4 of elastic seal cartridge 7, Realized and adjusted by its decrement, optical cable is carried out to realize that primary seal protects.As shown in Fig. 1~5, two level of the present utility model The interior adapter sleeve 2-2 of sealed connecting component 2 is screwed in on cable pipe 4-1 and by the outer annular edge 7-1 of elastic seal cartridge 7 and is squeezed in into cable Between pipe 4-1 end face and interior adapter sleeve 2-2 loop, while internal diameter and the optical cable of elastic seal cartridge 7 are realized and sealed, The outer annular edge 7-1 of elastic seal cartridge 7 will enter cable pipe 4-1 and realize that secondary seal is protected with secondary seal connector 2, and attachment cap 1 revolves Be connected on outer adapter sleeve 2-1 and extrude reduced diameter portion 2-21 radial contractions, the periphery of attachment cap 1 of the present utility model for it is polygon shaped like Orthohexagonal, it is easily installed on secondary seal connector 2, when attachment cap 1 is screwed on outer adapter sleeve 2-1, extruding two level is close The reduced diameter portion 2-21 of connector 2 is sealed, it is inwardly reduced into cable mouth diameter, outermost sealing protection is formed, by this practicality New port sealing mechanism forms the multistage protection effect that many places are wrapped on optical cable and inwardly compressed, and makes cable splice closure Barrier propterty reaches IP68 levels.As shown in Figure 6, the axial notch on the outer adapter sleeve 2-1 of the utility model reduced diameter portion 2-21 2-22 is along the circumferential direction symmetrical arranged, and the axial notch 2-22 on circumferencial direction radially be arranged in parallel or with being in radially inclined-plane Set, the inclined-plane can be plane or cambered surface, when reduced diameter portion 2-21 is inwardly reduced into cable mouth diameter, pass through the teeth portion of its formation Compress optical cable and realize end part seal and fixation.

As shown in Fig. 4,7, the inner side periphery of the utility model elastic seal cartridge 7 has the conical surface 7-3 and position for being oriented to At least three external diameters in conical surface 7-3 rear portions anchor ring 7-2 incremented by successively, is advantageous to elastic packing by conical surface 7-3 structures Set 7 is promoted comprehensively the entering in cable pipe 4-1 hole of cassette bottom 4, and multiple faces of cylinder that rear portion extension step is formed, and makes elastic seal cartridge 7 anchor ring 7-2 and the endoporus sealed connection for entering cable pipe 4-1.As shown in Figure 7, the utility model enters cable pipe 4-1 apertura lateralis Interior have a step-shaped hole, each anchor ring 7-2 of elastic seal cartridge 7 be arranged on into step-shaped hole corresponding to cable pipe 4-1 be oriented to, Sealing and spacing effect, are oriented to by roundlet anchor ring, and middle anchor ring is sealed and maximum anchor ring enters Capable spacing and further sealing, i.e., convenient installation, and can carry out sealing protection to inlet wire optical cable.

As shown in Fig. 4~6, the utility model optical cable, which fixes bead mount, includes weight tray 12, multiple optical cable weldings guarantor Pallet 11 and the earthing rod 10 for being grounded to optical cable strengthening core are protected, weight tray 12 is arranged in cassette bottom 4, the weight tray 12 The platform that is used to installing earthing rod 10 including the raised halfpace for being used to install optical cable welding protection pallet 11 and both sides and Both ends platform, and cuddy board is provided with down the baffle plate turned over, the both ends of weight tray 12 are provided with T-shaped button 12-1, weight tray 12 There is aperture in T-shaped button 12-1 peripheries, inlet wire optical cable can be fixed by hose clamp, the earthing rod 10 with threading hole is connected to carrying On bottom plate 12 and on the inside of T-shaped button 12-1, tightening stud 9 is installed on earthing rod 10, the optical cable after fixing peels off crust, will Optical cable strengthening core is connected on earthing rod 10, is fixed by tightening stud 9, and earthing rod 10 of the present utility model is located at T-shaped button 12-1 Approximate centerline, keeping optical cable, deviation is less than 5mm in the straight direction, and the optical cable welding protection pallet 11 of bottom, which is arranged on, to be held Load floor 12 and between earthing rod 10, each optical cable welding protection pallet 11 for stacking and being hinged and connected are hinged on the light of bottom On cable welding protection pallet 11, optical cable welding protection pallet 11 is provided with fusion joining disk, because optical cable welding protection pallet 11 is in The physical centre of weight tray 12, the optical cable fibre core after stripping, which enters, carries out welding in fusion joining disk, with pyrocondensation protection sleeve pipe during welding Encapsulation.

As shown in Fig. 1~6, inlet wire optical cable is penetrated in box body out of cassette bottom 4 the hole for entering cable pipe 4-1, by optical cable baring Certain length, the T-shaped that the optical cable of non-stripping part is fixed on weight tray 12 by hose clamp buckle 12-1 position, after stripping The Kong Bingyong fastening studs of metallic strength member through earthing rod 10 are fixed in optical cable, and the optical cable after stripping is protected into optical cable welding Carry out welding in the fusion joining disk of pallet 11, whole operation be located at cassette bottom 4 curved plate 4-4 and the formation of surrounding wallboard it is semiclosed In space.After the completion of lightguide cable link welding, elastic seal cartridge 7 is enclosed on the optical cable of non-stripping part and is pushed into cable pipe 4- In 1 hole, secondary seal connector 2 is spun into extruding elastic seal cartridge 7 on cable pipe 4-1, elastic seal cartridge 7 is radially become Change and sealed with entering cable pipe 4-1 and optical cable, while make to be sealed with secondary seal connector 2 into cable pipe 4-1 end faces, will connect Cap 1 is screwed on the outer adapter sleeve 2-1 of secondary seal connector 2, and the reduced diameter portion 2-21 of extruding secondary seal connector 2 is inside Reduce into cable mouth diameter, multi-stage sealed and fixed effect is realized to inlet wire optical cable, not influenceing interior cables by external activity melts The displacement and damage of connection interface, the upper annular by the lower annular groove 3-61 alignments on the lower flange 3-6 of lid 3 installed in cassette bottom 4 Prefabricated sealing joint strip 8 in groove 4-71, closes lid 3, pulls and refers to panel 6, is connected on the upper ring checkpost of annular buckle 5 and pulls finger In locking neck 6-2 on panel 6, fastening cassette bottom 4 and lid 3, prefabricated sealing joint strip 8 is extruded, it is sufficient filling with cassette bottom In annular groove in 4 lids 3, make to form sealed environment in box body, it is ensured that lightguide cable link joint quality.

Claims (7)

1. it is a kind of it is easy to install safeguard cable splice closure, including cassette bottom (4), lid (3) and interior installed in cassette bottom (4) and lid (3) Optical cable fix bead mount, it is characterised in that：

Described cassette bottom (4) has curved plate (4-4) and surrounding wainscot sheathing (4-2) formation with curved plate (4-4) one The lower chamber of bead mount is fixed for installing optical cable, and cassette bottom (4) surface is evenly equipped with multiple lower arc muscle (4-5), cassette bottom (4) exists The top of wainscot sheathing (4-2) is provided with the upper flange (4-7) of evagination, and the top surface of upper flange (4-7), which has, to be used to install prefabricated sealing The upper annular groove (4-71) of adhesive tape (8), periphery are provided with multiple Button Blocks (4-6) directed downwardly；

Described lid (3) has curved roof (3-3) and surrounding cornice sheathing (3-1) formation with curved roof (3-3) one The upper cavity of bead mount is fixed for accommodating optical cable, and lid (3) surface is evenly equipped with multiple upper arc muscle (3-4), lid (3) exists Cornice sheathing (3-1) bottom is provided with the lower flange (3-6) of evagination, and the bottom surface of lower flange (3-6), which has, to be used to install prefabricated fluid sealant The lower annular groove (3-61) of bar (8), periphery be interval with it is multiple upward and hinged seat (3-5) corresponding with Button Block (4-6), be hinged Seat (3-5) both sides are provided with hinge hole；

Ring side retention mechanism is connected to each corresponding hinged seat (3-5) and Button Block (4-6) place of cassette bottom (4) of lid (3), described Ring side retention mechanism include pulling and refer to panel (6) and annular buckle (5), the groove for pulling finger panel (6) bottom is arranged on lid (3) On hinged seat (3-5), and two jointed shafts (6-1) for pulling finger panel (6) are arranged in the hinge hole of lid (3) hinged seat (3-5), Pull and refer to panel (6) towards lid (3) side provided with locking neck (6-2) and the solution locking trough positioned at locking neck (6-2) bottom (6-3), the upper ring of annular buckle (5) while and slope inwardly during lower ring, the lower ring side of annular buckle (5) is sleeved on cassette bottom (4) Button Block (4-6) and the bottom for being located at upper flange (4-7), the lock pulled and referred on panel (6) is arranged on the upper ring side of annular buckle (5) In tight neck (6-2), lower ring side apply thrust to the upper flange (4-7) of cassette bottom (4), prefabricated sealing joint strip (8) is crimped on In the lower annular groove (3-61) of lid (3) and the upper annular groove (4-71) of cassette bottom (4)；Set on the upper ring side of annular buckle (5) Pulling in the solution locking trough (6-3) for referring to panel (6), releasing the thrust to the upper flange (4-7) of cassette bottom (4)；

The cassette bottom (4) enters cable pipe (4-1) on the wainscot sheathing (4-2) at both ends provided with overhanging at least two, in hollow form Enter cable pipe (4-1) and be provided with external screw thread, respectively enter on cable pipe (4-1) the port sealing mechanism that is provided with and can dismantle；Hold sealing mechanism bag Include close for the elastic seal cartridge (7), secondary seal connector (2) and attachment cap (1), described two level that are sealed to optical cable Envelope connector (2) has interior adapter sleeve (2-2) and an outer adapter sleeve (2-1), the endoporus of interior adapter sleeve (2-2) have internal thread segment with The loop at rear portion, outer adapter sleeve (2-1) periphery are provided with external screw thread and on the outside of external screw thread by multiple axial notch (2-22) The reduced diameter portion (2-21) of formation, elastic seal cartridge (7) are sealingly mounted at into cable pipe (4-1) hole, and elastic seal cartridge (7) Taper hole (7-4) with interior expansion from inside to outside, the interior adapter sleeve (2-2) of secondary seal connector (2) are screwed in into cable pipe (4- 1) ring into the end face of cable pipe (4-1) and interior adapter sleeve (2-2) is squeezed on and by the outer annular edge (7-1) of elastic seal cartridge (7) Between table top, attachment cap (1) is screwed on outer adapter sleeve (2-1) and extrudes reduced diameter portion (2-21) radial contraction；

Described optical cable, which fixes bead mount, includes weight tray (12), multiple optical cable weldings protection pallet (11) and for light The earthing rod (10) of cable strengthening core ground connection, weight tray (12) are arranged in cassette bottom (4), and the both ends of weight tray (12) are provided with T Shape button (12-1), weight tray (12) have aperture in T-shaped button (12-1) periphery, and the earthing rod (10) with threading hole is connected to On weight tray (12) and on the inside of T-shaped button (12-1), tightening stud (9), the optical cable of bottom are installed on earthing rod (10) Welding protection pallet (11) is arranged on weight tray (12) and between earthing rod (10), each optical cable for stacking and being hinged and connected Welding protection pallet (11) is hinged on the optical cable welding protection pallet (11) of bottom.

2. one kind according to claim 1 is easy to install to safeguard cable splice closure, it is characterised in that：Described elastic seal cartridge (7) inner side periphery has the conical surface (7-3) and incremented by successively positioned at least three external diameters of the conical surface (7-3) rear portion for being oriented to Anchor ring (7-2), elastic seal cartridge (7) are arranged on into cable pipe (4-1) hole and are tightly connected with entering cable pipe (4-1).

3. one kind according to claim 2 is easy to install to safeguard cable splice closure, it is characterised in that：Described enters cable pipe (4- 1) there is step-shaped hole, each anchor ring (7-2) of elastic seal cartridge (7) is arranged on corresponding into cable pipe (4-1) in apertura lateralis It is oriented to, is sealed and spacing in step-shaped hole.

4. one kind according to claim 1 is easy to install to safeguard cable splice closure, it is characterised in that：The secondary seal connection The internal diameter of the interior adapter sleeve (2-2) of part (2) be more than outer adapter sleeve (2-1) internal diameter, and interior adapter sleeve (2-2) periphery be both sides with On polygon, the axial notch (2-22) on the reduced diameter portion (2-21) of outer adapter sleeve (2-1) is along the circumferential direction symmetrical arranged, And axial notch (2-22) radially be arranged in parallel or set with radial direction in inclined-plane.

5. one kind according to claim 1 is easy to install to safeguard cable splice closure, it is characterised in that：Described prefabricated fluid sealant Bar (8) is degree of lip-rounding structure, and there is indent conduit, top both sides to taper supreme plane for the bottom surface of prefabricated sealing joint strip (8).

6. one kind according to claim 1 is easy to install to safeguard cable splice closure, it is characterised in that：Wall on the lid (3) The both ends of plate (3-1) are provided with end gusset (3-2), and hold gusset (3-2) corresponding with entering cable pipe (4-1).

7. one kind according to claim 1 is easy to install to safeguard cable splice closure, it is characterised in that：The cassette bottom (4) it is upper Flange (4-7) is surrounded by the mounting seat (4-3) of evagination, and mounting seat (4-3) is provided with the connector with mounting hole.