CN208689229U - The substep sealing structure of cable splice closure - Google Patents
The substep sealing structure of cable splice closure Download PDFInfo
- Publication number
- CN208689229U CN208689229U CN201821642815.XU CN201821642815U CN208689229U CN 208689229 U CN208689229 U CN 208689229U CN 201821642815 U CN201821642815 U CN 201821642815U CN 208689229 U CN208689229 U CN 208689229U
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- China
- Prior art keywords
- retaining ring
- optical cable
- sealing
- box body
- splice closure
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- 238000007789 sealing Methods 0.000 title claims abstract description 115
- 230000003287 optical effect Effects 0.000 claims abstract description 100
- 238000001125 extrusion Methods 0.000 claims abstract description 37
- 238000012856 packing Methods 0.000 claims abstract description 37
- 230000002093 peripheral effect Effects 0.000 claims abstract description 31
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 46
- 230000000694 effects Effects 0.000 description 11
- 238000010276 construction Methods 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000004636 vulcanized rubber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
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
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
Abstract
The utility model discloses a kind of substep sealing structures of cable splice closure, it is characterized by comprising upper cartridge bodies and lower box body, have to bury for the optical cable across optical cable on cable splice closure and connects hole, the optical cable, which buries, to be connect hole and is disposed with retaining ring, elastic seal ring and extrusion from the inside to the outside, retaining ring, elastic seal ring and extrusion all have the perforation for passing through optical cable, retaining ring, which is fixed on optical cable and buries, connects hole inner end, the end of elastic seal ring is against on retaining ring, and retaining ring is by hard inner core and the elastic packing peripheral element of hard inner core periphery is arranged in constitutes.The optical cable of the utility model cable splice closure, which buries, connects bore region using multiple step format sealing, both optical cable bury connect hole sealing pass through elastic seal ring realize sealing, sealing between upper cartridge body and lower box body realizes sealing by the elastic packing peripheral element part of retaining ring, so that sealing structure is relatively reliable.
Description
Technical field
The utility model relates to a kind of substep sealing structures of cable splice closure.
Background technique
Cable splice closure is used on fiber optic network connecting and protection between optical cable and optical cable.The prior art is to meet
The straight-through and branch-type of cable splice closure connects the needs of function, and box body upper and lower cover and sealing strip will be designed to beat above and below
Open the Hafu type sealing structure that simultaneously pairing is fixed.The optical cable of existing cable splice closure, which buries, to be connect hole usually to pass through silicon rubber etc. soft
Sealing material is sealed, to guarantee good gas tightness and anti-absorbance, thus from the erosion of moisture.Existing light
Cable connector box mostly uses unvulcanized rubber to seal greatly, and reuse need to increase unvulcanized rubber again, and reuse is at high cost, makes
With inconvenience.It is convenient to be reused using the cable splice closure of vulcanized rubber sealing, but temperature Cycle does not reach requirement
(national standard: Y/DT814-2007).Performance requirement, which is not achieved, mainly following reason: vulcanized rubber sealing element is right simultaneously
Box body is sealed with cable, and more demanding to constructing operation, stability itself is with regard to poor；The thermal expansion coefficient of existing vulcanized rubber compares
Greatly, compression set is bigger, and after low-temperature test, volume can accordingly reduce, and it is that its is close that resilience performance, which reduces, when low temperature
The poor major reason of sealing property.
Utility model content
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide a kind of sealing performance compared with
The substep sealing structure of good cable splice closure.Substep sealing structure be suitable for the optical cable of cable splice closure is buried connect bore region into
Row sealing.
The technical scheme in the invention for solving the above technical problem is:
A kind of substep sealing structure of cable splice closure, it is characterised in that: including upper cartridge body and lower box body, cable splice closure
It is upper have to bury for the optical cable across optical cable connect hole, the optical cable, which buries, to be connect hole and is disposed with retaining ring, elastic packing from the inside to the outside
Circle and extrusion, retaining ring, elastic seal ring and extrusion all have the perforation for passing through optical cable, and retaining ring is fixed on optical cable
It buries and connects hole inner end, the end of elastic seal ring is against on retaining ring, and retaining ring is by hard inner core and hard inner core periphery is arranged in
Elastic packing peripheral element is constituted.
Acting on for extrusion is that inwardly longitudinal (both optical cable buried the axial direction for connecing hole) squeezes elastic seal ring, so that elastic
Sealed ring deformation expansion, can be with by being arranged and the retaining ring of sealing joint strip linking so that obtaining sealing optical cable buries the effect for connecing hole
Guarantee the leakproofness between upper cartridge body and lower box body, since hard inner core is arranged, retaining ring can be subjected to biggish longitudinal stress (should
Longitudinal stress is derived from: the pressure that extrusion inwardly squeezes elastic seal ring can act on retaining ring via elastic seal ring), retaining ring
It is not easy stress to walk, so that the leakproofness between upper cartridge body and lower box body is guaranteed, since elastic seal ring can carry out
It is longitudinal to squeeze, therefore the use scope of the optic cable diameter of optical cable retaining ring can be increased, and optical cable is buried and connects the sealing performance in hole and obtains
To raising.
The optical cable of the utility model cable splice closure, which buries, connects bore region using multiple step format sealing, and both optical cable buried the sealing for connecing hole
It is realized and is sealed by elastic seal ring, the sealing between upper cartridge body and lower box body is real by the elastic packing peripheral element part of retaining ring
It now seals, so that sealing structure is relatively reliable；It can be by replacing elastic seal ring, to realize a variety of different optic cable diameters
Using seal request, the product adaptation range of sealing structure is wider；Since elastic seal ring is squeezed and deformed by longitudinal, realize close
Envelope, not only the amount of compression of elastic seal ring increases, and leakproofness is improved, and also allows to adapt to the use of a variety of optic cable diameters
It is required that；By the way that hard inner core is arranged in retaining ring, product sealing structure is divided into two multiphases to independent sealing structure, first to box
It is sealed between body, then optical cable is sealed, when being sealed to optical cable, the sealing between box body is unaffected.Reduce product
Operational risk increases product and seals stability；Elastic seal ring volume can be effectively reduced by the way that hard inner core is arranged in retaining ring, is had
Effect reduces elastic seal ring in the amount that volume becomes smaller after the high and low temperature test, makes up bullet by the springback capacity of elastic seal ring
The amount that property sealed volume becomes smaller guarantees the sealing performance of product.
Preferably, retaining ring and elastic seal ring are fixed, the elastic packing peripheral element and elastic seal ring integral type of retaining ring
Connection.Integral structure is such as used, only can (need to not be gear with elastic seal ring longitudinal opening by retaining ring in actual use
Circle is separated with elastic seal ring), retaining ring can be reduced with the sealing risk between elastic seal ring.
Preferably, the hard inner core setting jagged 25 of retaining ring.
Preferably, retaining ring is put together by upper retaining ring component and lower block coil component, upper retaining ring component and lower block coil component
At least hard inner core is arranged in one.
Preferably, being provided with extruding module between elastic seal ring and extrusion, squeezing module has for across light
The perforation of cable.
It is offered at the inner end of hole for keeping off preferably, both upper cartridge body or lower box body at least one bury to connect in close optical cable
The firmly retaining ring card slot of retaining ring inner end.Can specifically there be following two mode:
Both upper cartridge body and lower box body are buried to connect and are offered at the inner end of hole for blocking retaining ring inner end close to optical cable
Retaining ring card slot is compressed by upper and lower two retaining ring card slots by retaining ring card master by fixed realize of the split of upper cartridge body and lower box body
Between upper cartridge body and lower box body.By this structure, retaining ring can be realized and bury that connect hole radially fixed and axial solid with respect to optical cable
It is fixed, allow to bear longitudinal stress, and be in close contact by the inner wall of the elastic packing peripheral element of retaining ring and retaining ring card slot, it is right
Sealing function is played in split between upper cartridge body and lower box body, and combines sealing joint strip, plays between upper cartridge body and lower box body
Whole splicing sealing effect.
Both upper cartridge body and lower box body one are buried to connect and are offered at the inner end of hole for blocking retaining ring inner end close to optical cable
Retaining ring card slot, wherein side is caught in retaining ring card slot to retaining ring, and wherein side is pressed in or is fixed in retaining ring card slot retaining ring, realize
Retaining ring is buried with respect to optical cable connects that hole is radially fixed and axial restraint, allows to bear longitudinal stress, and pass through upper cartridge body and lower box
Fixed realize of the split of body is pressed between upper cartridge body and lower box body.Pass through the elastic packing peripheral element and retaining ring card of retaining ring side
The inner wall of slot is in close contact, and the elastic packing peripheral element and upper cartridge body of the retaining ring other side or the inner wall of lower box body are in close contact (tool
Body is upper cartridge body or lower box body, needs the setting position according to retaining ring card slot, if retaining ring card slot is set on upper cartridge body, retaining ring
The elastic packing peripheral element of the other side should sum lower box body inner wall be in close contact, if retaining ring card slot is set on lower box body,
The elastic packing peripheral element of the retaining ring other side should the upper cartridge body inner wall of sum be in close contact), thus by retaining ring to upper cartridge body and
Sealing function is played in split between lower box body, and combines sealing joint strip, plays the whole splicing between upper cartridge body and lower box body
Sealing effect.
Preferably, optical cable bury connect hole by formed after upper cartridge body and lower box body split or by both upper cartridge body, lower box body it
One with formed after split fixing piece split.The optical cable, which buries, to be connect hole and is put together by lower groove and upper groove, lower groove and fovea superior
Slot is respectively arranged at upper cartridge body and lower box body up or down groove and upper groove is respectively arranged at upper cartridge body, lower box body one of both
And on split fixing piece.Using briquetting, perhaps the essential difference of grafting block briquetting or grafting block exists the split fixing piece
There are difference for assembly method in assembling process, after completing assembly, no matter using briquetting perhaps the fast mode briquetting of grafting or
Grafting is fixed with respect to upper cartridge body, lower box body fastly.Split fixing piece is fixed together with upper cartridge body or lower box body, repeats in product
When opening and using, circlip can be fixed on optical cable and buried and connect in hole, the sealing performance of optical cable is unaffected.
Preferably, the hard inner core integral type of split fixing piece and retaining ring is fixed.Using this structure, fixed in split
When the fixed upper cartridge body of part or lower box body, not only forms optical cable and buries the fixation for connecing hole, while realizing retaining ring, then squeeze into extrusion,
Optical cable is buried the sealing for connecing hole by the realization multiple step format sealing of two steps, simplifies seal operation by the fixation for realizing elastic seal ring,
Sealing performance is improved, and after upper cartridge body and lower box body are dismantled, will not influence optical cable and bury the sealing performance for connecing hole itself.
Preferably, extruding module and extrusion are made of at least two valve structure splits.
Preferably, sealing joint strip is provided between upper cartridge body and lower box body, the elasticity of sealing joint strip and the retaining ring
Sealed periphery part part is mutually linked.The elastic packing peripheral element and sealing joint strip of retaining ring when leaving the factory, can connect for integral type
It connects.
Preferably, upper cartridge body and lower box body at least one offer the seal groove for accommodating sealing joint strip, it is close
Seal strip is filled in seal groove.
Preferably, squeezing module using hard structure or elastic extrusion structure, squeezing module by two valves is in semi-circular shape
Connector constitute, by being mutually inserted fastenings, realization is radially fixed for two connectors.
Preferably, extrusion, which using bolt is squeezed, squeezes bolt, to be had for the perforation across optical cable, squeezes bolt and support
In one end of elastic seal ring, optical cable, which buries, connects hole with for being screwed into the fastening thread for squeezing bolt, and the extruding bolt is by a left side
Right two valve bolt members are spliced into, and along the axis grafting for squeezing bolt, two valve bolt members are opened on the head of two valve bolt members
Equipped with semicircular bolt slot, two bolt slots are spliced to form perforation.Lower groove and upper groove offer half-thread section, up and down
Two half-thread sections piece together fastening thread jointly.
The utility model compared with prior art, has the following advantages that and effect: the light of the utility model cable splice closure
Cable, which buries, to be connect bore region and is sealed using multiple step format, and both optical cable, which has buried, connects the sealing in hole and realize sealing by elastic seal ring, upper cartridge body with
Sealing between lower box body realizes sealing by the elastic packing peripheral element part of retaining ring, so that sealing structure is relatively reliable；It can
With by replacement elastic seal ring, to realize the seal request that uses of a variety of different optic cable diameters, the product of sealing structure is suitable
Answer range wider；Since elastic seal ring is squeezed and deformed by longitudinal, sealing is realized, not only the amount of compression of elastic seal ring increases
Greatly, leakproofness is improved, and also allows to adapt to the requirement of a variety of optic cable diameters；By being arranged in hard in retaining ring
Product sealing structure is divided into two multiphases to independent sealing structure, is first sealed between box body by core, then is carried out to optical cable
Sealing, when being sealed to optical cable, the sealing between box body is unaffected.Product operation risk is reduced, increases product sealing and stablizes
Property；Elastic seal ring volume can be effectively reduced by the way that hard inner core is arranged in retaining ring, effectively reduces elastic seal ring through excessively high
The amount that volume becomes smaller after low-temperature test makes up the amount that elastic packing volume becomes smaller by the springback capacity of elastic seal ring to guarantee
The sealing performance of product.
Detailed description of the invention
Fig. 1 is one cable splice closure structural schematic diagram of the utility model embodiment.
Fig. 2 is the structural schematic diagram of one upper cartridge body of the utility model embodiment.
Fig. 3 is the mounting structure schematic diagram of one retaining ring of the utility model embodiment.
Fig. 4 is the structural schematic diagram of one sealing joint strip of the utility model embodiment.
Fig. 5 is the configuration schematic diagram that the utility model embodiment one squeezes bolt.
Fig. 6 is the configuration schematic diagram that the utility model embodiment one squeezes module.
Fig. 7 is the structural schematic diagram of the utility model embodiment one retaining ring and elastic seal ring.
Fig. 8 is the structural schematic diagram of one retaining ring of the utility model embodiment.
Fig. 9 is the structural schematic diagram of one two-flap type retaining ring of the utility model embodiment.
Figure 10 is the fixed structure schematic diagram of one retaining ring of the utility model embodiment and elastic seal ring.
Figure 11 is two cable splice closure structural schematic diagram of the utility model embodiment.
Figure 12 is the mounting structure schematic diagram of two retaining ring of the utility model embodiment.
Figure 13 is the structural schematic diagram of two lower box body of the utility model embodiment.
Figure 14 is the structural schematic diagram of two upper cartridge body of the utility model embodiment.
Figure 15 is the structural schematic diagram of two sealing joint strip of the utility model embodiment.
Figure 16 is the structural schematic diagram of two briquetting of the utility model embodiment
Figure 17 is the configuration schematic diagram that the utility model embodiment two squeezes bolt.
Figure 18 is the configuration schematic diagram that the utility model embodiment two squeezes module.
Figure 19 is the structural schematic diagram of the utility model embodiment two retaining rings and elastic seal ring.
Figure 20 is the structural schematic diagram of two retaining ring of the utility model embodiment.
Figure 21 is the structural schematic diagram of two two-flap type retaining ring of the utility model embodiment.
Figure 22 is the fixed structure schematic diagram one of two retaining ring of the utility model embodiment and elastic seal ring.
Figure 23 is the fixed structure schematic diagram two of two retaining ring of the utility model embodiment and elastic seal ring.
Figure 24 is three cable splice closure structural schematic diagram of the utility model embodiment.
Figure 25 is the mounting structure schematic diagram of three briquetting of the utility model embodiment
Figure 26 is the mounting structure schematic diagram of three retaining ring of the utility model embodiment.
Figure 27 is the structural schematic diagram of three lower box body of the utility model embodiment.
Figure 28 is the structural schematic diagram of three upper cartridge body of the utility model embodiment.
Figure 29 is the structural schematic diagram of three sealing joint strip of the utility model embodiment.
Figure 30 is the configuration schematic diagram that the utility model embodiment three squeezes bolt.
Figure 31 is the configuration schematic diagram that the utility model embodiment three squeezes module.
Figure 32 is the structural schematic diagram one of three briquetting of the utility model embodiment
Figure 33 is the structural schematic diagram two of three briquetting of the utility model embodiment
Figure 34 is the structural schematic diagram three of three briquetting of the utility model embodiment
Figure 35 is the cable splice closure structural schematic diagram of the utility model embodiment four.
Figure 36 is the mounting structure schematic diagram of four grafting block of the utility model embodiment.
Figure 37 is the mounting structure schematic diagram that four two-flap type elasticity of the utility model embodiment squeezes module.
Figure 38 is that four optical cable of the utility model embodiment buries the structural schematic diagram for connecing hole.
Figure 39 is the structural schematic diagram of four lower groove of the utility model embodiment.
Figure 40 is the structural schematic diagram that the utility model embodiment four squeezes bolt.
Figure 41 is the structural schematic diagram of four retaining ring of the utility model embodiment.
Figure 42 is the structural schematic diagram of four grafting block of the utility model embodiment.
Figure 43 is the structural schematic diagram that four two-flap type elasticity of the utility model embodiment squeezes module.
Figure 44 is the structural schematic diagram of four front connector of the utility model embodiment.
Figure 45 is the structural schematic diagram of four rear connectors of the utility model embodiment.
Figure 46 is the structural schematic diagram of connecting component before the utility model embodiment four.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Embodiment one
Referring to Fig. 1-Figure 10, the substep sealing structure of the present embodiment cable splice closure, including upper cartridge body 11 and lower box body 12,
Have on cable splice closure and buried for the optical cable across optical cable and connect hole, the optical cable, which buries, to be connect hole and be disposed with retaining ring from the inside to the outside
2, elastic seal ring 3, extruding module and extrusion, retaining ring 2, elastic seal ring, extruding module 7 and extrusion all have use
In the perforation for passing through optical cable, retaining ring 2, which is fixed on optical cable and buries, connects hole inner end, and extrusion is against the one end for squeezing module 7, squeezes module
7 other end is against one end of elastic seal ring 3, and acting on for extrusion is inwardly longitudinal extruding elastic seal ring, so that
Elastic seal ring deformation expansion, so that obtaining sealing optical cable buries the effect for connecing hole, the other end of elastic seal ring 3 is against retaining ring 2
On, retaining ring 2 is by hard inner core 23 and the elastic packing peripheral element 24 of hard inner core periphery is arranged in constitutes, upper cartridge body 11 and under
Sealing joint strip 19 is provided between box body 12, upper cartridge body 11 and lower box body 12 offer the sealing for accommodating sealing joint strip 19
Slot 110, sealing joint strip 19 are filled in seal groove 110, the elastic packing peripheral element part of sealing joint strip 19 and the retaining ring
It is mutually linked.
The elastic packing peripheral element 24 of retaining ring connects when leaving the factory for integral type with sealing joint strip 19.
Both upper cartridge body 11 and lower box body 12 are being offered for blocking in retaining ring at the inner end of hole burying to connect close to optical cable
Retaining ring 2 is blocked by upper and lower two retaining ring card slots 16 and is led, passes through the split of upper cartridge body 11 and lower box body 12 by the retaining ring card slot 16 at end
Fixed realize is pressed between upper cartridge body 11 and lower box body 12.By this structure, retaining ring 2 can be realized is buried with respect to optical cable and connect hole
Radially fixed and axial restraint allows to bear longitudinal stress, and passes through the elastic packing peripheral element 24 and retaining ring card of retaining ring
The inner wall of slot 16 is in close contact, and plays sealing function to the split between upper cartridge body 11 and lower box body 12, and combine sealing joint strip
19, play the whole splicing sealing effect between upper cartridge body 11 and lower box body 12.
Optical cable, which buries, connects hole by being formed after 12 split of upper cartridge body 11 and lower box body, and the optical cable, which buries, connects hole by 131 He of lower groove
Upper groove 132 is put together, and lower groove 131 and upper groove 132 are respectively arranged on upper cartridge body 11 and lower box body 12.
Retaining ring 2 can use mode arranged below:
(1) as shown in figure 8, retaining ring 2 can be set in optical cable if an en-block construction for an en-block construction for convenience
On, the hard inner core 23 of retaining ring can be set jagged 25, which facilitates retaining ring being set in light for cutting retaining ring open
On cable.
(2) as shown in figure 9, retaining ring 2 can also be directly put together by upper retaining ring component 21 and lower block coil component 22, upper gear
Coil component 21 and lower block coil component 22 are by hard inner core 23 and the elastic packing peripheral element 24 of inner core periphery is arranged in constitutes.
As shown in Figure 10, retaining ring can pass through retaining ring using the structure fixed with elastic seal ring, fixed mode
Elastic packing peripheral element 24 connected with elastic seal ring integral type.Elastic packing peripheral element and elastic seal ring use rubber material
Matter and other common elastic sealing materials with sealing function.
It squeezes module 7 and extrusion to be made of two valve structure splits, so that extruding module 7 and extrusion can be with
After respectively dismantling and split is socketed on optical cable.It squeezes module 7 and the specific of extrusion is provided that
It squeezes module 7 and uses hard structure, squeeze module 7 and be made of two valves in the connector 71 of semi-circular shape, two companies
Fitting 71 is realized radially fixed by being mutually inserted fastening.
Using bolt is squeezed, squeeze bolt 5 has for the perforation 51 across optical cable extrusion, squeezes bolt 5 and is against bullet
Property sealing ring 3 one end, optical cable bury connects hole have for be screwed into squeeze bolt 5 fastening thread, the extrudings bolt 5 by control
Two valve bolt members 52 are spliced into, and the head of two valve bolt members 52 is along the axis grafting for squeezing bolt 5, two valve bolt members 52
Semicircular bolt slot 511 is offered, two bolt slots 511 are spliced to form perforation 51.Lower groove 131 and upper groove 132 are equal
Half-thread section 141 is offered, upper and lower two half-thread sections 141 piece together fastening thread jointly.
Embodiment two
Referring to Figure 11-Figure 23, the substep sealing structure of the present embodiment cable splice closure, including upper cartridge body 11 and lower box body
12, have to bury for the optical cable across optical cable on cable splice closure and connect hole, the optical cable, which buries, to be connect hole and be disposed with from the inside to the outside
Retaining ring 2, elastic seal ring 3 squeeze module 7 and extrusion, and retaining ring 2, elastic seal ring, extruding module 7 and extrusion are equal
With for the perforation across optical cable, retaining ring 2, which is fixed on optical cable and buries, connects hole inner end, and extrusion is against the one end for squeezing module 7, squeezes
The other end of die block 7 is against one end of elastic seal ring 3, and acting on for extrusion is inwardly longitudinal extruding elastic packing
Circle, so that elastic seal ring deformation expansion, so that obtaining sealing optical cable buries the effect for connecing hole, the other end of elastic seal ring 3 is supported
On retaining ring 2, retaining ring 2 is by hard inner core 23 and the elastic packing peripheral element 24 of hard inner core periphery is arranged in constitutes, upper box
Sealing joint strip 19 is provided between body 11 and lower box body 12, upper cartridge body 11 and lower box body 12 are offered for accommodating sealing joint strip
19 seal groove 110, sealing joint strip 19 are filled in seal groove 110, outside the elastic packing of sealing joint strip 19 and the retaining ring
Part part is enclosed to be mutually linked.
The elastic packing peripheral element 24 and sealing joint strip 19 of retaining ring when leaving the factory, can connect for integral type.
Lower box body 12 is burying the retaining ring card slot 16 for connecing and being offered at the inner end of hole for blocking retaining ring inner end close to optical cable, passes through
Upper and lower two retaining ring card slots 16, which block retaining ring 2, to be led, and is pressed in upper box by fixed realize of the split of upper cartridge body 11 and lower box body 12
Between body 11 and lower box body 12.By this structure, retaining ring 2 can be realized and bury that connect hole radially fixed and axial solid with respect to optical cable
It is fixed, allow to bear longitudinal stress, and closely connect by the elastic packing peripheral element 24 of retaining ring and the inner wall of retaining ring card slot 16
Touching plays sealing function to the split between upper cartridge body 11 and lower box body 12, and combines sealing joint strip 19, plays 11 He of upper cartridge body
Whole splicing sealing effect between lower box body 12.
Optical cable, which buries, connects hole by being formed after lower box body 12 and split fixing piece split, and split fixing piece uses briquetting 8, briquetting 8
It is screwed on lower box body 12.
The optical cable, which buries, to be connect hole and is put together by lower groove 131 and upper groove 132, and lower groove 131 and upper groove 132 are distinguished
It is set on lower box body 12 and briquetting 8.
Retaining ring 2 can use mode arranged below:
(1) as shown in figure 20, retaining ring 2 can be set in optical cable if an en-block construction for an en-block construction for convenience
On, the hard inner core 23 of retaining ring can be set jagged 25, which facilitates retaining ring being set in light for cutting retaining ring open
On cable.
(2) as shown in figure 21, retaining ring 2 can also be directly put together by upper retaining ring component 21 and lower block coil component 22, on
Hard inner core 23 is arranged in retaining ring component 21 and at least one of lower block coil component 22.
As shown in figure 22, retaining ring can pass through retaining ring using the structure fixed with elastic seal ring 3, fixed mode
Elastic packing peripheral element 24 connected with 3 integral type of elastic seal ring.Elastic packing peripheral element and elastic seal ring use rubber
Material and other common elastic sealing materials with sealing function；It can also be made of with elastic seal ring 3 two-flap type structure,
As shown in figure 23, two valves of elastic seal ring can distinguish the fixed upper retaining ring component 21 of integral type and lower block coil component 22.
It squeezes module 7 and extrusion to be made of two valve structure splits, so that extruding module 7 and extrusion can be with
After respectively dismantling and split is socketed on optical cable.It squeezes module 7 and the specific of extrusion is provided that
It squeezes module 7 and uses hard structure, squeeze module 7 and be made of two valves in the connector 71 of semi-circular shape, two companies
Fitting 71 is realized radially fixed by being mutually inserted fastening.
Using bolt is squeezed, squeeze bolt 5 has for the perforation 51 across optical cable extrusion, squeezes bolt 5 and is against bullet
Property sealing ring 3 one end, optical cable bury connects hole have for be screwed into squeeze bolt 5 fastening thread, the extrudings bolt 5 by control
Two valve bolt members 52 are spliced into, and the head of two valve bolt members 52 is along the axis grafting for squeezing bolt 5, two valve bolt members 52
Semicircular bolt slot 511 is offered, two bolt slots 511 are spliced to form perforation 51.Lower groove 131 and upper groove 132 are equal
Half-thread section 141 is offered, upper and lower two half-thread sections 141 piece together fastening thread jointly.
Embodiment three
4- Figure 34 referring to fig. 2, the substep sealing structure of the present embodiment cable splice closure, including upper cartridge body 11 and lower box body
12, have to bury for the optical cable across optical cable on cable splice closure and connect hole, the optical cable, which buries, to be connect hole and be disposed with from the inside to the outside
Retaining ring 2, elastic seal ring 3 squeeze module 7 and extrusion, and retaining ring 2, elastic seal ring, extruding module 7 and extrusion are equal
With for the perforation across optical cable, retaining ring 2, which is fixed on optical cable and buries, connects hole inner end, and extrusion is against the one end for squeezing module 7, squeezes
The other end of die block 7 is against one end of elastic seal ring 3, and acting on for extrusion is inwardly longitudinal extruding elastic packing
Circle, so that elastic seal ring deformation expansion, so that obtaining sealing optical cable buries the effect for connecing hole, the other end of elastic seal ring 3 is supported
On retaining ring 2, retaining ring 2 is by hard inner core 23 and the elastic packing peripheral element 24 of hard inner core periphery is arranged in constitutes, upper box
Sealing joint strip 19 is provided between body 11 and lower box body 12, upper cartridge body 11 and lower box body 12 are offered for accommodating sealing joint strip
19 seal groove 110, sealing joint strip 19 are filled in seal groove 110, outside the elastic packing of sealing joint strip 19 and the retaining ring
Part part is enclosed to be mutually linked.
The elastic packing peripheral element 24 and sealing joint strip 19 of retaining ring when leaving the factory, can connect for integral type.
Lower box body 12 is burying the retaining ring card slot 16 for connecing and being offered at the inner end of hole for blocking retaining ring inner end close to optical cable, leads to
It crosses two retaining ring card slots 16 up and down to lead the card of retaining ring 2, be pressed in by fixed realize of the split of upper cartridge body 11 and lower box body 12
Between box body 11 and lower box body 12.By this structure, retaining ring 2 can be realized and bury that connect hole radially fixed and axial solid with respect to optical cable
It is fixed, allow to bear longitudinal stress, and closely connect by the elastic packing peripheral element 24 of retaining ring and the inner wall of retaining ring card slot 16
Touching plays sealing function to the split between upper cartridge body 11 and lower box body 12, and combines sealing joint strip 19, plays 11 He of upper cartridge body
Whole splicing sealing effect between lower box body 12.
Optical cable, which buries, connects hole by being formed after lower box body 12 and split fixing piece split, and split fixing piece uses briquetting 8, briquetting 8
It is screwed on lower box body 12.
The optical cable, which buries, to be connect hole and is put together by lower groove 131 and upper groove 132, and lower groove 131 and upper groove 132 are distinguished
It is set on lower box body 12 and briquetting 8.
The structure type and briquetting 8 and 2 connection type of retaining ring of retaining ring have following manner.
(1) as shown in figure 32, retaining ring 2 can be set in optical cable if an en-block construction for an en-block construction for convenience
On, the hard inner core 23 of retaining ring can be set jagged 25, which facilitates retaining ring being set in light for cutting retaining ring open
On cable.The hard inner core integral type of briquetting 8 and retaining ring 2 is fixed,
(2) as shown in figure 34, retaining ring 2 is put together by upper retaining ring component 21 and lower block coil component 22, upper retaining ring component 21
It by hard inner core 23 and the elastic packing peripheral element 24 of inner core periphery is set constitutes with lower block coil component 22.Split is fixed
The hard inner core integral type of the hard inner core or lower block coil component 22 of part and upper retaining ring component 21 is fixed.
It squeezes module 7 and extrusion is made of at least two valve structure splits, so that extruding module 7 and extrusion are equal
After can respectively dismantling and split is socketed on optical cable.It squeezes module 7 and the specific of extrusion is provided that
It squeezes module 7 and uses hard structure, squeeze module 7 and be made of two valves in the connector 71 of semi-circular shape, two companies
Fitting 71 is realized radially fixed by being mutually inserted fastening.
Using bolt is squeezed, squeeze bolt 5 has for the perforation 51 across optical cable extrusion, squeezes bolt 5 and is against bullet
Property sealing ring 3 one end, optical cable bury connects hole have for be screwed into squeeze bolt 5 fastening thread, the extrudings bolt 5 by control
Two valve bolt members 52 are spliced into, and the head of two valve bolt members 52 is along the axis grafting for squeezing bolt 5, two valve bolt members 52
Semicircular bolt slot 511 is offered, two bolt slots 511 are spliced to form perforation 51.Lower groove 131 and upper groove 132 are equal
Half-thread section 141 is offered, upper and lower two half-thread sections 141 piece together fastening thread jointly.
Example IV
Referring to Figure 35-Figure 46, the present embodiment cable splice closure, including upper cartridge body 11 and lower box body 12, cable splice closure
Two sides, which have, buries for the optical cable across optical cable and connects hole 13, and the optical cable, which buries, to be connect hole 13 and be disposed with retaining ring 2, bullet from the inside to the outside
Property sealing ring 3, two-flap type elasticity squeeze module 4 and squeeze bolt 5, squeezing bolt 5 has for the perforation 51 across optical cable,
It includes front connector 41, rear connectors 42 and pressure spring 43, front connector 41, rear connectors 42 that two-flap type elasticity, which squeezes module 4,
It is in circular ring shape, the both ends difference front connector 41 of pressure spring 43, on rear connectors 42, one end of front connector 41 is against extruding spiral shell
One end of bolt 5, one end of rear connectors 42 are against one end of elastic seal ring 3, and the other end of elastic seal ring 3 is against retaining ring 2
On, retaining ring 2 is fixed on optical cable and buries the inner end for connecing hole 13, and optical cable, which buries, connects hole 13 with for being screwed into the fastening thread for squeezing bolt 5
14, front connector 41, rear connectors 42 and retaining ring 2 are upper and lower two-flap type structure.
Front connector 41 is put together by two valves in the preceding connecting component 411 of semi-circular shape, and rear connectors 42 are in by two valves
The rear connecting component 421 of semi-circular shape is put together, and the equal integral type in both ends of one of them rear connecting component 421 is fixed with extension
Portion 422, it is another after the both ends of connecting component 421 offer the overlap joint slot 423 for overlapping extension 422, on extension 422
It is fixed with connecting hole 424, the connecting rod 425 for being inserted into connecting hole 424 is fixed on the overlap joint slot 423.Retaining ring 2 is by upper gear
Coil component 21 and lower block coil component 22 are put together, and upper retaining ring component 21 and lower block coil component 22 by hard inner core 23 and are set
Set the composition of elastic packing peripheral element 24 in inner core periphery.It buries to connect to offer at 13 inner end of hole close to optical cable on lower box body 12 and be used for
Block the retaining ring card slot 16 of retaining ring inner end.
Several sliding grooves 441 being axially arranged along rear connectors 42 are fixed on rear connectors 42, in front connector 41
Several slide posts 442 being axially arranged along front connector 41 are fixed with, slide post 442 is plugged in sliding groove 441.Preceding connection
The other end of part 41 and the other end of rear connectors 42 offer the holding tank 451 for accommodating pressure spring 43, the holding tank
451 slot bottom is fixed with the connecting column 452 for being inserted into pressure spring 43.
Split fixing piece uses grafting block, and the inserting groove 15 that section is in convex shape, inserting groove 15 are offered on lower box body 12
It is inside inserted with the grafting block 6 that section is in convex shape, the lower groove 131 of semicircular in shape is offered on lower box body 12, is opened on grafting block 6
Upper groove 132 equipped with semicircular in shape, lower groove 131 and upper groove 132, which piece together the optical cable and bury, connects hole 13, lower groove 131
Half-thread section 141 is offered with upper groove 132, upper and lower two half-thread sections 141 piece together fastening thread 14 jointly.It is described to squeeze
Pressure bolt 5 is spliced by two valve bolt members 52 of left and right, and the head edge of two valve bolt members 52 squeezes the axis grafting of bolt 5,
Two valve bolt members 52 offer semicircular bolt slot 511, and two bolt slots 511 are spliced to form perforation 51.
Spliced eye 17 is offered on lower box body 12, bolt 18 is inserted on spliced eye 17, and the bolt 18 is inserted into grafting block 6
Pin hole 61 in.
Above content is only illustrate to examples for clearly illustrating the present invention described in this specification.The utility model
Person of ordinary skill in the field can make various modifications or additions to the described embodiments or using class
As mode substitute, content without departing from the utility model specification or surmount model defined in the claims
It encloses, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of substep sealing structure of cable splice closure, it is characterised in that: including upper cartridge body and lower box body, on cable splice closure
Hole is connect with burying for the optical cable across optical cable, the optical cable, which buries, to be connect hole and be disposed with retaining ring, elastic seal ring from the inside to the outside
And extrusion, retaining ring, elastic seal ring and extrusion all have the perforation for passing through optical cable, retaining ring is fixed on optical cable and buries
Hole inner end is connect, the end of elastic seal ring is against on retaining ring, and retaining ring is by hard inner core and is arranged in the bullet of hard inner core periphery
Property sealed periphery part constitute.
2. the substep sealing structure of cable splice closure according to claim 1, it is characterised in that: retaining ring and elastic seal ring
Fixed, the elastic packing peripheral element of retaining ring is connected with elastic seal ring integral type.
3. the substep sealing structure of cable splice closure according to claim 1, it is characterised in that: the hard inner core of retaining ring is set
It is equipped with notch.
4. the substep sealing structure of cable splice closure according to claim 1, it is characterised in that: retaining ring is by upper retaining ring component
It is put together with lower block coil component, hard inner core is arranged in upper retaining ring component and lower block coil component at least one.
5. the substep sealing structure of cable splice closure according to claim 1, it is characterised in that: elastic seal ring and extruding
Extruding module is provided between part, squeezing module has for the perforation across optical cable.
6. the substep sealing structure of cable splice closure according to claim 1, it is characterised in that: upper cartridge body or lower box body two
Person's at least one is burying the retaining ring card slot for connecing and being offered at the inner end of hole for blocking retaining ring inner end close to optical cable.
7. the substep sealing structure of cable splice closure according to claim 1, it is characterised in that: optical cable, which buries, connects hole by upper box
It is formed after body and lower box body split or by being formed after upper cartridge body, lower box body one of both and split fixing piece split.
8. the substep sealing structure of cable splice closure according to claim 1, it is characterised in that: split fixing piece and retaining ring
Hard inner core integral type fix.
9. the substep sealing structure of cable splice closure according to claim 1, it is characterised in that: upper cartridge body and lower box body it
Between be provided with sealing joint strip, the elastic packing peripheral element part of sealing joint strip and the retaining ring is mutually linked.
10. the substep sealing structure of cable splice closure according to claim 1, it is characterised in that: upper cartridge body and lower box body
At least one offers the seal groove for accommodating sealing joint strip, and sealing joint strip is filled in seal groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820562706 | 2018-04-19 | ||
| CN2018205627060 | 2018-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208689229U true CN208689229U (en) | 2019-04-02 |
Family
ID=64543465
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811179178.1A Withdrawn CN108983380A (en) | 2018-04-19 | 2018-10-10 | A kind of substep sealing structure of cable splice closure |
| CN201821642815.XU Active CN208689229U (en) | 2018-04-19 | 2018-10-10 | The substep sealing structure of cable splice closure |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811179178.1A Withdrawn CN108983380A (en) | 2018-04-19 | 2018-10-10 | A kind of substep sealing structure of cable splice closure |
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| Country | Link |
|---|---|
| CN (2) | CN108983380A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109445054A (en) * | 2018-12-25 | 2019-03-08 | 胡肖平 | A kind of cable splice closure cable mouth sealing structure in the independent sealed channel of band |
| CN109613670B (en) * | 2019-01-07 | 2020-08-14 | 烽火通信科技股份有限公司 | Novel sealing optical cable joint box without cable breakage and using method thereof |
| JP7347734B2 (en) * | 2019-10-31 | 2023-09-20 | 日本通信電材株式会社 | Optical cable cabinet |
| CN111999832A (en) * | 2020-08-28 | 2020-11-27 | 浙江超前通信科技股份有限公司 | Optical cable sealing plug and joint box |
| CN115201981A (en) * | 2022-06-15 | 2022-10-18 | 国网河北省电力有限公司经济技术研究院 | Connecting protection device for power communication optical cable |
-
2018
- 2018-10-10 CN CN201811179178.1A patent/CN108983380A/en not_active Withdrawn
- 2018-10-10 CN CN201821642815.XU patent/CN208689229U/en active Active
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|---|---|
| CN108983380A (en) | 2018-12-11 |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240426 Address after: Building 2, 1st Floor, No. 300, Lane 3111, Huancheng West Road, Fengxian District, Shanghai, 200000 Patentee after: Shanghai Fangao Communication Technology Co.,Ltd. Country or region after: China Address before: No. 29 Chengzhou Village, Jiejie Town, Tiantai County, Taizhou City, Zhejiang Province, 317200 Patentee before: Hu Xiaoping Country or region before: China |