CN201311506Y - Rotary-pressure type sealing device for cable splice closure inlet - Google Patents
Rotary-pressure type sealing device for cable splice closure inlet Download PDFInfo
- Publication number
- CN201311506Y CN201311506Y CNU2008201314218U CN200820131421U CN201311506Y CN 201311506 Y CN201311506 Y CN 201311506Y CN U2008201314218 U CNU2008201314218 U CN U2008201314218U CN 200820131421 U CN200820131421 U CN 200820131421U CN 201311506 Y CN201311506 Y CN 201311506Y
- Authority
- CN
- China
- Prior art keywords
- cable
- splice closure
- cable splice
- packoff
- spinning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 58
- 238000009987 spinning Methods 0.000 claims description 49
- 230000003287 optical effect Effects 0.000 claims description 25
- 238000001125 extrusion Methods 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 9
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 239000003351 stiffener Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 2
- 239000010935 stainless steel Substances 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000000463 material Substances 0.000 description 9
- 229920001971 elastomer Polymers 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000005538 encapsulation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005987 sulfurization reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
Images
Landscapes
- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model relates to the technical field of cable sealing, i.e. a rotary-pressure type sealing device for a cable splice closure inlet. The sealing device mainly comprises a silicon-vulcanized resin sealer, a rotary-pressure nut, a metal sealing check ring, a connecting sheet made of stainless steel, and a cable slice closure. In the sealing structure of the utility model, the sealer inflates and deforms in a fixed cavity by rotating and pressing the rotary-pressure nut so as to fill the clearance in the cavity and then achieve the mechanical sealing effect. The sealing device has simple, convenient and fast operation and can be used repeatedly without affecting the sealing performance. When no other accessories or fittings are added, the sealing device can ensure IP68 level seal for cables with diameter difference within the range of 8mm and is suitable for various cable splice closure.
Description
Technical field:
The utility model relates to the optical cable technical field of sealing technology, refers in particular to the rotary extrusion type spinning packoff that a kind of cable splice closure advances the cable mouth.
Background technology:
Sealing Technology on the existing cable splice closure, what adopt basically is: with the unvulcanised self-adhering rubber as filling material, realize sealing in the mechanical presses mode,, add that the unvulcanised self-adhering rubber finishes the sealing of cable splice closure as filling material perhaps based on the vulcanized rubber seal element.
Prove through our repetition test and years'experiences: above-mentioned Sealing Technology and hermetically-sealed construction are in sealing property, all exist very big deficiency and problem on encapsulation performance, resistance to oxidation (wearing out) performance again:
The one, with the unvulcanised self-adhering rubber as filling material, be " sensation " by operating personnel determine filling material how much, the as easy as rolling off a log incomplete result of artificial sealing that causes;
The 2nd, as filling material, because the viscosity of rubber is very big, encapsulation operation is very difficult again with the unvulcanised self-adhering rubber;
The 3rd, the oxidation resistent susceptibility of unvulcanised self-adhering rubber is very poor, and after filling material oxidation (wearing out), through the effect of expanding with heat and contract with cold for a long time, the cable splice closure under water environment will have water leakage;
The 4th, do not cut off optical cable construction and exist blank at Purely mechanical hermetically-sealed construction (need not to increase accessories such as unvulcanized rubber).
Above reason causes great deficiency and harm can for optical fiber communication safety.
Summary of the invention:
The purpose of this utility model provides the rotary extrusion type spinning packoff that a kind of cable splice closure advances the cable mouth, can make optical cable and box body realize sealing very easily, and can repeat very easily under the prerequisite of relevant costs such as spare and accessory parts to open and encapsulation not needing to increase in addition, and the sealing between optical cable and the box body still can reach the requirement of IP68.
The utility model is achieved in that cable splice closure advances the rotary extrusion type spinning packoff of cable mouth, is characterized in that comprising:
Soft seal: be " drum " shape right cylinder that a middle part is thick, two is thin, offer more than one wearing or round tube hole that the cable of giving out light is used at cylindrical axis direction, the inwall of round tube hole offers the open-type opening to cylindrical outside surface;
Cable splice closure: a base is provided with the perforation of more than one optical cable, on base one side, the periphery of optical cable perforation is provided with hollow cylinder perpendicular to base, is provided with internal thread on the top of hollow cylinder;
The spinning nut: be a hollow cylinder, an end of spinning nut be provided with cable splice closure on hollow cylinder on the supporting external thread of internal thread;
Both ends of the surface at soft seal are respectively arranged with Sealing shield ring or Sealing shield ring and brace, and packing soft seal and Sealing shield ring or Sealing shield ring and brace into back in the hollow cylinder of cable splice closure compress with the spinning nut can be to sealing between the optical cable that penetrates and the box body.
Cylindrical both ends of the surface at above-mentioned soft seal inwardly are provided with groove respectively.
Offer on the above-mentioned Sealing shield ring with described soft seal on the corresponding through hole of round tube hole, be provided with two reference columns in the both sides of through hole, reference column inserts in the groove of soft seal.
Be provided with two circular holes that can be inserted on the described reference column at the two ends of above-mentioned brace, the both sides of the brace between two circular holes concave.
The transversal section of the opening of round tube hole is the tri linear of " Z " shape on the above-mentioned soft seal, and the outside of tri linear opening is that the center of circle rotates the 5-15 degree laterally with the center of circle of round tube hole, forms a breach.
Above-mentioned tri linear opening the anglec of rotation be 10 the degree.
Whenever on the above-mentioned Sealing shield ring, face two through holes mutually and be communicated with in the inboard.
At the ring stiffener that is embedded with suitable for reading of above-mentioned spinning nut, the end opening of spinning nut is provided with the wave tooth that a week reduces to rub.
Base and hollow cylinder on the above-mentioned cable splice closure are structure as a whole, and described soft seal is made with silicone vulcanizates.
Above-mentioned Sealing shield ring and brace can be that the seal joint of cone replaces with one also, and do not establish the open-type opening on the round tube hole of soft seal.
The utility model compared with prior art, outstanding advantage is:
1, the utility model adopts the spinning nut to make seal dilatational strain in fixing cavity by " spinning ", and the space in the filled chamber, form the mechanical seal effect, simple, convenient, quick, and reusing does not repeatedly influence sealing property, the sealing device is that optical cable in the 8mm scope all can guarantee the sealing of IP68 level to the diameter difference under need not to increase the situation of any annex, accessory, is suitable for doing the packoff of various fiber cable joints;
2, the utility model is by the technological improvement to material such as spinning nut, soft seal and structure, make the easy and simple to handle of product, good seal performance, encapsulation performance is greatly improved and improves again, reusing does not repeatedly influence sealing property, and resistance to oxidation, ageing-resistant performance also have great raising, guaranteed the serviceable life of cable splice closure.
3, the utility model is suitable for doing the packoff of various fiber cable joints.
Description of drawings:
Fig. 1 is the perspective exploded view of user mode of the present utility model;
Fig. 2 is the schematic perspective view of cable splice closure of the present utility model;
Fig. 3 is the schematic perspective view of Sealing shield ring of the present utility model;
Fig. 4 is the schematic perspective view of brace of the present utility model;
Fig. 5 is the left view of soft seal of the present utility model;
Fig. 6 is the schematic perspective view of soft seal of the present utility model;
Fig. 7 is one of schematic perspective view of spinning nut of the present utility model;
Fig. 8 be spinning nut of the present utility model schematic perspective view two;
Fig. 9 is one of schematic perspective view of seal joint of the present utility model;
Figure 10 is the schematic perspective view of the soft seal of the utility model embodiment 2;
Figure 11 is the schematic perspective view of the soft seal of embodiment 3 of the present utility model;
Figure 12 is one of the schematic perspective view of the spinning nut of the utility model embodiment 2;
Figure 13 be the utility model embodiment 2 the spinning nut schematic perspective view two;
Figure 14 is the schematic perspective view of user mode of the present utility model.
Embodiment:
With specific embodiment the utility model is further described below:
Embodiment 1: referring to Fig. 1-8, Figure 14:
The rotary extrusion type spinning packoff of fiber cable joint comprises:
Soft seal 40: be that a middle part is thick, " drum " shape right cylinder that two is thin, offering two at cylindrical axis direction wears or round tube hole 42 that the cable of giving out light is used, the inwall of round tube hole 42 offers the open-type opening to cylindrical outside surface, cylindrical both ends of the surface at soft seal 40 inwardly are provided with groove 47 respectively, the transversal section of the opening of round tube hole 42 is the tri linear 44 of " Z " shape on the soft seal 40,45, tri linear 44, the outside of 45 openings is that the center of circle rotates about 10 degree laterally with the center of circle of round tube hole 42, form a breach, soft seal 40 usefulness silicone vulcanizates are made;
Cable splice closure: a base 10 is provided with more than one optical cable perforation, on base 10 1 sides, the periphery of optical cable perforation is provided with hollow cylinder 11 perpendicular to base 10, be provided with internal thread 12 on the top of hollow cylinder 11, the base 10 on the cable splice closure is structure as a whole with hollow cylinder 11;
Spinning nut 50: be a hollow cylinder, an end of spinning nut 50 be provided with cable splice closure on hollow cylinder 11 on the supporting external thread 51 of internal thread 12, the ring stiffener 53 that is embedded with suitable for reading of spinning nut 50 is provided with the wave tooth 52 that a week reduces to rub at the end opening of above-mentioned spinning nut 50;
Both ends of the surface at soft seal 40 are respectively arranged with Sealing shield ring 20 and brace 30, and soft seal 40 and Sealing shield ring 20 and brace 30 are packed into, and the back compresses and can the fiber cable joint that penetrate be sealed with spinning nut 50 in the hollow cylinder 11 of cable splice closure.
Offer on the above-mentioned Sealing shield ring 20 with described soft seal 40 on round tube hole 42 corresponding through holes 23, be provided with two reference columns 22 in the both sides of through hole 23, reference column 22 inserts in the groove 47 of soft seal 40, whenever on the Sealing shield ring 20 faces two through holes 23 mutually and is communicated with in the inboard.
The both sides that are provided with the brace 30 between 31, two circular holes 31 of two circular holes that can be inserted on the described reference column 22 at the two ends of above-mentioned brace 30 concave, and form the concave surface 32 of an indent.
Two register pins 22 on the Sealing shield ring 20 penetrate in the groove 47 of soft seal 40, can be when 50 pairs of optical cables of spinning nut carry out the spinning sealing, and optical cable can not be subjected to displacement.
Embodiment 2: referring to Fig. 1-2, Fig. 9-14:
The rotary extrusion type spinning packoff of fiber cable joint comprises:
Cable splice closure: a base 10 is provided with the perforation of more than one optical cable, on a side of base 10, the periphery of optical cable perforation is provided with hollow cylinder 13 perpendicular to base 10, is provided with internal thread 14 on the top of hollow cylinder 13;
Spinning nut 90: be a hollow cylinder, an end of spinning nut 90 be provided with cable splice closure on hollow cylinder 13 on the supporting external thread 91 of internal thread 14;
Both ends of the surface in soft seal 70 or 80 are respectively arranged with seal joint 60, with soft seal 70 or 80 and seal joint 60 pack that the back compresses and can the fiber cable joint that penetrate be sealed with spinning nut 90 in the hollow cylinder 13 of cable splice closure into.
The ring stiffener 93 that is embedded with suitable for reading at above-mentioned spinning nut 90.
End opening at above-mentioned spinning nut 90 is provided with an externally threaded right cylinder 92 less than spinning nut 90.
Above-mentioned soft seal 70 or 80 usefulness silicone vulcanizates are made.
The foregoing description 1 and embodiment 2 can be used as packoff simultaneously in one group of fiber cable joint.
Indulge the above, it is a kind of when being used for optical cable of the minimum introducing of cable splice closure or one and not cutting off optical cable and enter cable splice closure that the utility model provides, to the packoff that the end regions of optical cable and connector box box body seals, brace and cable splice closure that this device comprises core silicone vulcanizates seal, spinning nut, metal Sealing shield ring, makes of stainless steel.
In the hermetically-sealed construction of the present utility model, " rotary extrusion type spinning " mechanical seal structure is adopted in sealing, can seal very easily, and reuse and repeatedly do not influence sealing property, and its key is:
1, plastic spinning nut adopts special process to carry out injection moulding, and inside is lined with metal washer, guarantees that the nut use repeatedly can't produce distortion.
2, silicone vulcanizates adopts high quality silicon rubber to handle through sulfuration process, reach good stability, oxidation resistance is very superior, be much higher than common same type of material, and after sulfuration process is handled, the seal element made from this material is strict controlled between hardness Shao formula 25～35 degree, reaches complete sealing purpose through crimp, can reach sealing effectiveness very easily.
3, for the fiber cable branch of realizing " not cutting off optical fiber " continues, design " self-align " opening rounded seal on the double aperture seal element, when not cutting off optical cable and enter in the cable splice closure, as long as crooked optical cable just can embed optical cable in the seal, need not cut off optical cable, simultaneously, when seal is closed, form a full circle again, and can bring the pore size of round tube hole together under external force, owing to adopt the tri linear structure, make seal play sealing effectiveness twice to water on every side, metal Sealing shield ring is under the effect of external force, and the crush seal body expands the seal distortion, pack tightly the optical cable outside surface and be filled into other space of cable mouth, play the sealing optical fiber cables effect, brace supports the rectangular space in the middle of the Sealing shield ring, prevents rubber because extruding, excessive from rectangular space, influence sealing effectiveness.
After adopting above-mentioned Sealing Technology, not only easy and simple to handle, sealing property, encapsulation performance is greatly improved and improves again, and resistance to oxidation, ageing-resistant performance also have great raising, has guaranteed the serviceable life of cable splice closure.
Claims (10)
1, cable splice closure advances the rotary extrusion type spinning packoff of cable mouth, it is characterized in that comprising:
Soft seal: be " drum " shape right cylinder that a middle part is thick, two is thin, offer more than one wearing or round tube hole that the cable of giving out light is used at cylindrical axis direction, the inwall of round tube hole offers the open-type opening to cylindrical outside surface;
Cable splice closure: a base is provided with the perforation of more than one optical cable, on base one side, the periphery of optical cable perforation is provided with hollow cylinder perpendicular to base, is provided with internal thread on the top of hollow cylinder;
The spinning nut: be a hollow cylinder, an end of spinning nut be provided with cable splice closure on hollow cylinder on the supporting external thread of internal thread;
Both ends of the surface at soft seal are respectively arranged with Sealing shield ring or Sealing shield ring and brace, and packing soft seal and Sealing shield ring or Sealing shield ring and brace into back in the hollow cylinder of cable splice closure compress with the spinning nut can be to sealing between the optical cable that penetrates and the box body.
2, the rotary extrusion type spinning packoff of fiber cable joint according to claim 1 is characterized in that inwardly being provided with groove respectively in the cylindrical both ends of the surface of described soft seal.
3, cable splice closure according to claim 1 advances the rotary extrusion type spinning packoff of cable mouth, it is characterized in that offer on the described Sealing shield ring with described soft seal on the corresponding through hole of round tube hole, be provided with two reference columns in the both sides of through hole, reference column inserts in the groove of soft seal.
4, cable splice closure according to claim 1 advances the rotary extrusion type spinning packoff of cable mouth, it is characterized in that being provided with at the two ends of described brace two circular holes that can be inserted on the described reference column, and the both sides of the brace between two circular holes concave.
5, cable splice closure according to claim 1 advances the rotary extrusion type spinning packoff of cable mouth, it is characterized in that the tri linear of the transversal section of the opening of round tube hole on the described soft seal for " Z " shape, the outside of tri linear opening is that the center of circle rotates the 5-15 degree laterally with the center of circle of round tube hole, forms a breach.
6, cable splice closure according to claim 5 advances the rotary extrusion type spinning packoff of cable mouth, it is characterized in that described tri linear opening the anglec of rotation be 10 the degree.
7, cable splice closure according to claim 1 advances the rotary extrusion type spinning packoff of cable mouth, it is characterized in that whenever on the described Sealing shield ring facing two through holes mutually and being communicated with in the inboard.
8, cable splice closure according to claim 1 advances the rotary extrusion type spinning packoff of cable mouth, it is characterized in that the ring stiffener that is embedded with suitable for reading at described spinning nut, and the end opening of spinning nut is provided with the wave tooth that a week reduces to rub.
9, cable splice closure according to claim 1 advances the rotary extrusion type spinning packoff of cable mouth, it is characterized in that base and the hollow cylinder on the described cable splice closure is structure as a whole, and described soft seal is made with silicone vulcanizates.
10, cable splice closure according to claim 1 advances the rotary extrusion type spinning packoff of cable mouth, it is characterized in that described Sealing shield ring and brace also can replace with a seal joint for cone, and do not establish the open-type opening on the round tube hole of soft seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201314218U CN201311506Y (en) | 2008-07-05 | 2008-07-05 | Rotary-pressure type sealing device for cable splice closure inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201314218U CN201311506Y (en) | 2008-07-05 | 2008-07-05 | Rotary-pressure type sealing device for cable splice closure inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201311506Y true CN201311506Y (en) | 2009-09-16 |
Family
ID=41108764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201314218U Expired - Lifetime CN201311506Y (en) | 2008-07-05 | 2008-07-05 | Rotary-pressure type sealing device for cable splice closure inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201311506Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012000206A1 (en) * | 2010-07-02 | 2012-01-05 | 戚郁芬 | Optical cable connection casing adapted for operation of guiding and connecting optical cable to branching halfway |
| WO2012155359A1 (en) * | 2011-05-19 | 2012-11-22 | 深圳日海通讯技术股份有限公司 | Cap-type optical cable connection box |
| CN105015763B (en) * | 2014-04-21 | 2017-01-04 | 哈尔滨飞机工业集团有限责任公司 | A kind of aircraft handling cable wire guide |
| CN109633841A (en) * | 2018-12-25 | 2019-04-16 | 胡肖平 | A kind of cable splice closure leads directly to the sealing structure of cable mouth |
| CN113359256A (en) * | 2021-06-29 | 2021-09-07 | 国网河北省电力有限公司信息通信分公司 | Optical cable advances cable seal structure and visual aerial optical cable splice box |
-
2008
- 2008-07-05 CN CNU2008201314218U patent/CN201311506Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012000206A1 (en) * | 2010-07-02 | 2012-01-05 | 戚郁芬 | Optical cable connection casing adapted for operation of guiding and connecting optical cable to branching halfway |
| WO2012155359A1 (en) * | 2011-05-19 | 2012-11-22 | 深圳日海通讯技术股份有限公司 | Cap-type optical cable connection box |
| CN105015763B (en) * | 2014-04-21 | 2017-01-04 | 哈尔滨飞机工业集团有限责任公司 | A kind of aircraft handling cable wire guide |
| CN109633841A (en) * | 2018-12-25 | 2019-04-16 | 胡肖平 | A kind of cable splice closure leads directly to the sealing structure of cable mouth |
| CN113359256A (en) * | 2021-06-29 | 2021-09-07 | 国网河北省电力有限公司信息通信分公司 | Optical cable advances cable seal structure and visual aerial optical cable splice box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201311506Y (en) | Rotary-pressure type sealing device for cable splice closure inlet | |
| US4283284A (en) | Hollow fiber dialyzer end seal system | |
| EP1909712B1 (en) | Intra-gastric balloon provided with a gel-containing valve and kit | |
| AU2010284848B2 (en) | Filler assembly for cable gland | |
| EP0974312A1 (en) | Reconstruction implant | |
| CN208689229U (en) | The substep sealing structure of cable splice closure | |
| CN104274885A (en) | Integrated syringe having anti-releasing-type open-and-shut cap structure | |
| CN1025395C (en) | Plug for fixing in impermeable manner electric cable to opening and cable protection sleeve comprising such plugs | |
| CN106039445B (en) | A kind of superminiature dialyzer and its manufacturing method for clinical zooscopy | |
| CN111774277A (en) | A kind of dental scaler transducer glue injection sealing structure and manufacturing method thereof | |
| KR20130046466A (en) | A stopper pipe for test water leak | |
| FR2624784A1 (en) | METHOD AND DEVICE FOR MANUFACTURING A BOTTLE OF COMPOSITE MATERIAL, AND BOTTLE THUS OBTAINED | |
| CN205867218U (en) | Separation membrance heparin cap connects | |
| CA2849683C (en) | Method for sealing a reusable electrical surgical instrument | |
| CN220015376U (en) | Sealing structure for electric control pump | |
| CN203164473U (en) | Anti-compression optical fiber hermetic seal switching box body | |
| DE50304568D1 (en) | DEGASSING APPARATUS FOR DEGASSING MATRIX MATERIAL FOR THE MANUFACTURE OF FIBER COMPOSITE COMPONENTS | |
| CN101462339A (en) | Plastic pipe fitting sealing structure molding method | |
| CN204972549U (en) | Withstand voltage type does not have adapter | |
| CN223143042U (en) | An inverted filling cosmetic bottle structure | |
| JP2011056013A (en) | Hemodialyzer | |
| CN213683465U (en) | Inflatable tent and communicating assembly for same | |
| CN218636159U (en) | Injection type silicon rubber prosthesis capsule | |
| CN223483683U (en) | A sealing structure for oil and natural gas transmission pipeline | |
| CN203502633U (en) | Straight-through inlet cable sealing device of optical cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090916 |