CN209169920U - A kind of sealing structure of underwater polyethylene optoelectronic composite cable - Google Patents
A kind of sealing structure of underwater polyethylene optoelectronic composite cable Download PDFInfo
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- CN209169920U CN209169920U CN201822145844.1U CN201822145844U CN209169920U CN 209169920 U CN209169920 U CN 209169920U CN 201822145844 U CN201822145844 U CN 201822145844U CN 209169920 U CN209169920 U CN 209169920U
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- polyethylene
- composite cable
- optoelectronic composite
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- sealing structure
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Abstract
The utility model belongs to mechanical engineering field, it is related to a kind of sealing structure of underwater polyethylene optoelectronic composite cable, including seal nipple, the seal nipple one end is fixedly connected with other equipment, the corresponding other end of seal nipple can precession threaded spigot, taper rubber plug is provided between seal nipple and precession threaded spigot, the polyethylene optoelectronic composite cable is entirely through the seal nipple, taper rubber plug and threaded spigot, the seal nipple, threaded spigot and polyethylene optoelectronic composite cable surface sulfide polyurethane rubber, fastening metal collet is installed in polyurethane rubber and polyethylene optoelectronic composite cable contact position.This sealing structure is used for the coupling part of sealed polyethylene optoelectronic composite cable and other equipment, and simple and practical in structure, good seal performance repeats dismounting and uses.
Description
Technical field
The utility model belongs to mechanical engineering field, is related to a kind of sealing structure of underwater polyethylene optoelectronic composite cable, uses
The waterproof sealing of coupling part when underwater polyethylene optoelectronic composite cable is connect with other equipment.
Background technique
South Sea marine resources indicate China to the exploitation benefit of marine resources using the listed establishment of National Key Laboratory
With the new stage is entered, more and more underwater detection equipments or will be put into the research of marine resources development.It hangs
The formula sonar of putting is a kind of conventional undersea detection communication electronic device, can effectively improve communication efficiency, light using optoelectronic composite cable
Photoelectric compound cable plays communication and load-bearing, the sealing of optoelectronic composite cable and sonar electronic compartment simultaneously in dipping sonar
It is connected to become the critical issue for influencing sonar set functional reliability.
The sealing of submerged cable generallys use the mode of polyurethane rubber encapsulating, which has acid resistance good, soft
The advantages that toughness and good impact resistance, however using polythene material as the optoelectronic composite cable non cohesive gel of cable skin, the process without
Method is directly applied in PE cable sealing.Meanwhile optical fiber is fragile material in optoelectronic composite cable, bending radius should not mistake
It is small, in use, to avoid optical fiber by curved tension.
Therefore, how to solve the problems, such as that optoelectronic composite cable bears the equipment gravity such as sonar electronic compartment, how to guarantee that photoelectricity is multiple
Close cable and electronic compartment coupling part waterproof seal, how to meet seal the joint it is at least close under 1000m depth condition
Reliability requirement is sealed, is presently relevant technical staff key technical problem urgently to be resolved.
Utility model content
It is provided to solve optoelectronic composite cable load-bearing in the prior art, watertight and resistance to big depth problem, the utility model
A kind of sealing structure of underwater polyethylene optoelectronic composite cable.
The utility model solves above-mentioned technical problem and uses following design structure and design scheme.
A kind of sealing structure of underwater polyethylene optoelectronic composite cable, for sealed polyethylene optoelectronic composite cable (100) and its
The coupling part of its equipment, the sealing structure include seal nipple (3), seal nipple (3) one end and the fixed company of other equipment
Connect, the corresponding other end can precession threaded spigot (6), be provided with taper between seal nipple (3) and precession threaded spigot (6)
Rubber plug (4), the polyethylene optoelectronic composite cable (100) are revolved entirely through the seal nipple (3), taper rubber plug (4) and screw thread
It fills in (6), the seal nipple (3), threaded spigot (6) and polyethylene optoelectronic composite cable (100) surface sulfide polyurethane rubber
(7), in polyurethane rubber (7) and polyethylene optoelectronic composite cable (100) contact position installation fastening metal collet (8).
Further, metal gasket (5) are provided between the threaded spigot (6) and taper rubber plug (4).
Further, the taper rubber plug (4) uses hardness to be made of 75~85 nitrile rubber.
Further, the taper of the taper rubber plug (4) is 30 °~60 °.When being pressurized caused by rubber material direct stress
Tangential displacement is larger, is conducive to the compactness for improving taper rubber plug and polyethylene optoelectronic composite cable cable skin.
Further, the metal collet (8) uses opposite opened pyramidal structure.
Further, the metal collet (8) is fastened by screw.Increase polyurethane rubber by the pretightning force of mounting screw
Thus the contact stress of glue and polyethylene optoelectronic composite cable improves the reliability of sealing.
Further, the seal nipple (3) is flange sealing joint, and the one end for connecting other equipment is set as circular cone
Structure, the Kafra fiber after polyethylene optoelectronic composite cable (100) is splitted are fixed on the conical structure inner wall (31).
Further, the Kafra fiber is fixed with the conical structure inner wall (31) using encapsulating bonding way.
Further, the Kafra fiber is fixed on the conical structure inner wall by epoxy resin adhesive (1)
(31)。
Further, the cone angle of the conical structure inner wall (31) is 30 °~60 °.
The utility model proposes underwater polyethylene optoelectronic composite cable sealing structure be provided with two sealed structures, first
After threaded spigot is screwed, pressure is applied to conical rubber beyond the Great Wall by metal gasket, taper rubber plug is squeezed generate deformation after
The cable skin of polyethylene optoelectronic composite cable is in close contact, and then extruded polyethylene optoelectronic composite cable, when taper rubber plug reaches design
It can reach sealing effect when compression ratio deformed state, be achieved in first of sealing.Meanwhile to seal nipple, threaded spigot and
Polyethylene optoelectronic composite cable carries out surface sulfide polyurethane rubber, and in the contact of polyurethane rubber and polyethylene optoelectronic composite cable
Place is clamped using metal collet, realizes first of sealing.
Meanwhile taper rubber plug also can avoid bending of the polyethylene optoelectronic composite cable at sealing and be damaged.
Wherein, acting on for the threaded spigot squeezes taper rubber plug, brings it about deformation, realizes that polyethylene photoelectricity is compound
Cable it is extrusion type sealed.
On the other hand, the polyethylene optoelectronic composite cable is connect Kafra fiber and sealing by epoxy resin adhesive
The conical structure inner wall connection of head, using the excellent tensile property of Kafra fiber, plays load-bearing effect.
This sealing structure when in use, smears moderate lubrication rouge on polyethylene optoelectronic composite cable surface to be sealed first,
Polyethylene optoelectronic composite cable is sequentially passed through into threaded spigot, metal gasket, taper rubber plug and seal nipple, screw thread cock,
So that taper rubber plug reaches the compression ratio deformed state of design.Then the Kafra fiber in polyethylene optoelectronic composite cable from this
It is stripped out in the cable skin of polyethylene optoelectronic composite cable, Kafra fiber is evenly distributed on seal nipple circular conical surface.Again so
It carries out epoxy resin taken amount according to the ratio afterwards, is mixed and stirred for that uniformly, epoxy resin being poured into circular cone, is solidified to epoxy resin.
Finally in seal nipple, threaded spigot and polyethylene optoelectronic composite cable surface sulfide polyurethane rubber, and polyurethane rubber with
Polyethylene optoelectronic composite cable contact position setting metal collet is fastened.
The utility model produces following beneficial effect compared with prior art.
(1) sealing structure of the underwater polyethylene optoelectronic composite cable of the utility model is provided with two sealed structures, first
Polyethylene optoelectronic composite cable is subjected to once sealing by squeezing sealing, then in polyethylene optoelectronic composite cable and its extruding sealing
Body structure surface vulcanizes polyurethane rubber, and polyethylene optoelectronic composite cable and its extruded sealing structure are integrally wrapped up, polyethylene is overcome
The characteristics of optoelectronic composite cable non cohesive gel, effectively solves the problems, such as the underwater sealing of polyethylene optoelectronic composite cable.
(2) pass through verification experimental verification, the sealing structure using the underwater polyethylene optoelectronic composite cable of the utility model is gathered
The sealing of ethylene optoelectronic composite cable can at least meet the seal request of the 1000m depth of water.
(3) simple and practical in structure, the repeatable dismounting of all parts therein uses, and engineer application feasibility is high.
Detailed description of the invention
Fig. 1 is the sealed structural schematic diagram of the underwater polyethylene optoelectronic composite cable of the utility model.
Fig. 2 is seal nipple schematic diagram in the sealing structure of the underwater polyethylene optoelectronic composite cable of the utility model.
Fig. 3 is threaded spigot schematic diagram in the sealing structure of the underwater polyethylene optoelectronic composite cable of the utility model；
Fig. 4 is metal collet schematic diagram in the sealing structure of the underwater polyethylene optoelectronic composite cable of the utility model.
Wherein label is 100- polyethylene optoelectronic composite cable in figure；1- epoxy resin adhesive；2- sealing ring；3- sealing
Connector；4- taper rubber plug；5- metal gasket；6- threaded spigot；7- polyurethane rubber；8- metal collet；31- conical structure inner wall
Face；32- internal thread hole；33- bolt hole；61- groove.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figures 1 to 4, a kind of sealing structure of underwater polyethylene optoelectronic composite cable, including including seal nipple 3,
Taper rubber plug 4, metal gasket 5, threaded spigot 6, polyurethane rubber 7 and metal collet 8.
Wherein, the seal nipple 3 is flange sealing joint, and the one end for connecting other equipment is set as conical structure,
Kafra fiber after polyethylene optoelectronic composite cable 100 is splitted is fixed on the conical structure inner wall 31, is bonded using encapsulating
Mode is fixed.The cone angle of conical structure inner wall 31 is 30 °~60 °.It is provided with several bolts hole 33 on flange anchor ring, passes through spiral shell
Seal nipple 3 is fixed in other equipment by stud structure.
The corresponding other end of seal nipple 3 can precession threaded spigot 6, between seal nipple 3 and precession threaded spigot 6
It is provided with taper rubber plug 4, metal gasket 5 is provided between threaded spigot 6 and taper rubber plug 4.The polyethylene optoelectronic composite cable
100 entirely through the seal nipple 3, taper rubber plug 4, metal gasket 5 and threaded spigot 6, after the threaded spigot 6 screws,
It is applied pressure on taper rubber plug 4 through metal gasket 5, the taper rubber plug 4, which is pressurized, generates deformation, and then extruded polyethylene light
Photoelectric compound cable 100.
Wherein, taper rubber plug 4 uses hardness to be made of 75~85 nitrile rubber.The taper of taper rubber plug 4 is 30 °
~60 °, when being pressurized, tangential displacement caused by rubber material direct stress is larger, is conducive to improve taper rubber plug 4 and polyethylene light
The compactness of 100 cable skin of photoelectric compound cable.
In 100 surface sulfide polyurethane rubber 7 of the seal nipple 3, threaded spigot 6 and polyethylene optoelectronic composite cable,
Fastening metal collet 8 is installed in polyurethane rubber 7 and 100 contact position of polyethylene optoelectronic composite cable.The metal collet 8
Using opposite opened pyramidal structure, polyurethane rubber 7 and 100 contact position of polyethylene optoelectronic composite cable are fastened on by screw.Pass through
The pretightning force of mounting screw increases the contact stress of polyurethane rubber 7 and polyethylene optoelectronic composite cable 100, thus improves sealing
Reliability.
Embodiment 2
The sealing structure of the underwater polyethylene optoelectronic composite cable of the utility model is used for sealed polyethylene optoelectronic composite cable 100
With the coupling part of other equipment, in use, smearing moderate lubrication on 100 surface of polyethylene optoelectronic composite cable to be sealed first
Polyethylene optoelectronic composite cable 100 is sequentially passed through threaded spigot 6, metal gasket 5, taper rubber plug 4 and seal nipple 3, screwed by rouge
Threaded spigot 6, so that taper rubber plug 4 reaches the compression ratio deformed state of design.At this point, can reach sealing effect.
Then the cable skin for splitting polyethylene optoelectronic composite cable 100, the Kafra fiber in polyethylene optoelectronic composite cable 100
It is stripped out from the cable skin of the polyethylene optoelectronic composite cable 100, retains the Kafra fiber of about 60mm long.By Kafra fiber
It is evenly distributed on seal nipple conical structure inner wall 31.
1 taken amount of epoxy resin adhesive is subsequently carried out according to the ratio, is mixed and stirred for uniformly, by epoxy resin adhesive 1
It pours into conical structure, stands 30 minutes under 600 DEG C of environment.It is solidified to epoxy resin, 1 outside of trimming epoxy resin adhesive is more
Remaining Kafra fiber, and moderately tighten threaded spigot 6.
Finally, the structure that above-mentioned steps complete integrally is put into particular manufacturing craft, and revolved in seal nipple 3, screw thread
Plug 6 and 100 surface sulfide polyurethane rubber 7 of polyethylene optoelectronic composite cable are put into 80 DEG C of insulating boxs and keep the temperature at least 4 hours, then
The installation of metal collet 8 is fastened near polyurethane rubber 7 and 100 contact position of polyethylene optoelectronic composite cable, and passes through screw
It screws, completes sealing.
In order to be conducive to the vulcanization of polyurethane rubber 7, several grooves 61 have been opened up on threaded spigot 6.
Above embodiments are only to illustrate the technical solution of the utility model, rather than are limited；Although referring to before
Embodiment is stated the utility model is described in detail, it for those of ordinary skill in the art, still can be right
Technical solution documented by previous embodiment is modified or equivalent replacement of some of the technical features；And these
Modifications or substitutions, the utility model technical solution claimed that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of sealing structure of underwater polyethylene optoelectronic composite cable, for sealed polyethylene optoelectronic composite cable (100) with it is other
The coupling part of equipment, which is characterized in that the sealing structure includes seal nipple (3), which sets with other
It is standby to be fixedly connected, the corresponding other end can precession threaded spigot (6), set between seal nipple (3) and precession threaded spigot (6)
It is equipped with taper rubber plug (4), the polyethylene optoelectronic composite cable (100) is entirely through the seal nipple (3), taper rubber plug (4)
With threaded spigot (6), the seal nipple (3), threaded spigot (6) and the poly- ammonia of polyethylene optoelectronic composite cable (100) surface sulfide
Ester rubber (7), in polyurethane rubber (7) and polyethylene optoelectronic composite cable (100) contact position installation fastening metal collet (8).
2. the sealing structure of underwater polyethylene optoelectronic composite cable as described in claim 1, which is characterized in that the threaded spigot
(6) it is provided between taper rubber plug (4) metal gasket (5).
3. the sealing structure of underwater polyethylene optoelectronic composite cable as claimed in claim 1 or 2, which is characterized in that the taper
Rubber plug (4) uses hardness to be made of 75~85 nitrile rubber.
4. the sealing structure of underwater polyethylene optoelectronic composite cable as claimed in claim 1 or 2, which is characterized in that the taper
The taper of rubber plug (4) is 30 °~60 °.
5. the sealing structure of underwater polyethylene optoelectronic composite cable as described in claim 1, which is characterized in that the metal collet
(8) opposite opened pyramidal structure is used.
6. the sealing structure of underwater polyethylene optoelectronic composite cable as claimed in claim 1 or 5, which is characterized in that the metal
Collet (8) is fastened by screw.
7. the sealing structure of underwater polyethylene optoelectronic composite cable as described in claim 1, which is characterized in that the seal nipple
It (3) is flange sealing joint, the one end for connecting other equipment is set as conical structure, and polyethylene optoelectronic composite cable (100) cuts open
Kafra fiber after opening is fixed on the conical structure inner wall (31).
8. the sealing structure of underwater polyethylene optoelectronic composite cable as claimed in claim 7, which is characterized in that the Kev is towed
Dimension is fixed with the conical structure inner wall (31) using encapsulating bonding way.
9. the sealing structure of underwater polyethylene optoelectronic composite cable as claimed in claim 8, which is characterized in that the Kev is towed
Dimension is fixed on the conical structure inner wall (31) by epoxy resin adhesive (1).
10. the sealing structure of the underwater polyethylene optoelectronic composite cable as described in claim 7 or 8 or 9, which is characterized in that described
The cone angle of conical structure inner wall (31) is 30 °~60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822145844.1U CN209169920U (en) | 2018-12-20 | 2018-12-20 | A kind of sealing structure of underwater polyethylene optoelectronic composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822145844.1U CN209169920U (en) | 2018-12-20 | 2018-12-20 | A kind of sealing structure of underwater polyethylene optoelectronic composite cable |
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| Publication Number | Publication Date |
|---|---|
| CN209169920U true CN209169920U (en) | 2019-07-26 |
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ID=67344375
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822145844.1U Active CN209169920U (en) | 2018-12-20 | 2018-12-20 | A kind of sealing structure of underwater polyethylene optoelectronic composite cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128182A (en) * | 2020-09-15 | 2020-12-25 | 上海船舶电子设备研究所(中国船舶重工集团公司第七二六研究所) | Anchor ear and fishing detector transducer |
| CN112332338A (en) * | 2020-09-10 | 2021-02-05 | 湖南长城海盾光纤科技有限公司 | Cabin penetrating sealing method and structure for photoelectric composite cable |
-
2018
- 2018-12-20 CN CN201822145844.1U patent/CN209169920U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112332338A (en) * | 2020-09-10 | 2021-02-05 | 湖南长城海盾光纤科技有限公司 | Cabin penetrating sealing method and structure for photoelectric composite cable |
| CN112128182A (en) * | 2020-09-15 | 2020-12-25 | 上海船舶电子设备研究所(中国船舶重工集团公司第七二六研究所) | Anchor ear and fishing detector transducer |
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