CN205229537U - Wall seal structure is worn to underwater optical cable - Google Patents
Wall seal structure is worn to underwater optical cable Download PDFInfo
- Publication number
- CN205229537U CN205229537U CN201521020571.8U CN201521020571U CN205229537U CN 205229537 U CN205229537 U CN 205229537U CN 201521020571 U CN201521020571 U CN 201521020571U CN 205229537 U CN205229537 U CN 205229537U
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- CN
- China
- Prior art keywords
- sealing
- optical cable
- gland nut
- plug
- wear
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a wall seal structure is worn to underwater optical cable for plugging into fast of neritic environment communications optical cable is sealed, the one end and the terminal box sealing connection of transition cover, and the other end is connected with the tail -hood, wears wall cover sealing connection in the transition cover, and the inside holding of one end has sealing plug and threaded connection to have sealed swivel nut, and the other end is worn out by the tail -hood and threaded connection has gland nut, and the holding has sealing plug and threaded connection to have sealed swivel nut in the gland nut, the holding compresses tightly the wedge in wearing the wall cover, compresses tightly the wedge and lies in gland nut and wear between the wall cover one end, compress tightly the screw in of wedge through gland nut and cramp the inlayer optical cable, sealing plug in the gland nut and wear sealing plug in the wall cover one end respectively through the screw in and the sealed butt of inlayer optical cable of threaded connection's sealed swivel nut separately. The utility model has the characteristics of quick installation, structure size are little, can satisfy restricted space's the requirement of cable connection under water.
Description
Technical field
The utility model relates to a kind of underwater optical cable and wears wall hermetically-sealed construction, for the sealing of plugging into fast of neritic environment communications optical cable.
Background technology
Underwater optical cable, in construction, generally adopts the structure such as connector box, splitter, for prolongation, the branch operation of optical cable.The structure technology such as connector box, splitter is ripe, but there is the shortcoming that weight is large, physical dimension is large, is difficult to meet request for utilization at the position of some limited space; Simultaneously construction technology relative complex, needs to carry out the techniques such as situ vulcanized, injection moulding to complete structure fabrication.
Utility model content
For the problems referred to above that underwater optical cable exists, the purpose of this utility model is to provide a kind of underwater optical cable to wear wall hermetically-sealed construction.This underwater optical cable is worn wall hermetically-sealed construction and is had Fast Installation, feature that physical dimension is little, can meet the underwater optical cable redirect request of restricted clearance.
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises sealing swivel nut, gland nut, tail-hood, Chuan Bitao, spacer shell, dog wedge and sealing-plug, wherein one end of spacer shell and terminal box are tightly connected, the other end is connected with described tail-hood, described wall cover of wearing is sealedly attached in spacer shell, one end accommodated inside has sealing-plug and the sealing swivel nut that has been threaded, the other end is passed and the gland nut that has been threaded by described tail-hood, is equipped with sealing-plug and the sealing swivel nut that has been threaded in described gland nut; Described wearing in wall cover is equipped with dog wedge, and this dog wedge is at described gland nut and wear wall and overlap between one end; Described internal layer optical cable successively by the sealing swivel nut on gland nut and sealing-plug, gland nut, dog wedge, Chuan Bitao, wear wall and overlap sealing-plug on one end and sealing swivel nut passes, and to be tightly connected with described gland nut, Chuan Bitao respectively; Described dog wedge by the screw-in banding internal layer optical cable of gland nut, the sealing-plug in described gland nut and wear wall and overlap the screw-in of the sealing-plug in one end respectively by the sealing swivel nut be threaded separately and seal with internal layer optical cable and abut.
Wherein: the sealing-plug between described gland nut and dog wedge, in gland nut and between the sealing swivel nut being threaded on gland nut and wear wall and overlap the sealing-plug in one end and be threaded in wear between sealing swivel nut that wall overlaps one end and be equipped with the adjustment pad be set on internal layer optical cable; The external diameter of described dog wedge is reduced to one end of spacer shell by the other end of spacer shell, and this dog wedge is subdivision structure, and namely subdivision is two parts, and the inside surface of every part is equipped with sawtooth annular groove; Described dog wedge is compressed by the screw-in of gland nut one end to spacer shell, and then radial shrinkage banding internal layer optical cable; Sealing-plug accommodating in described gland nut and wear wall and overlap sealing-plug accommodating in one end and be the taper type axially having through hole, one end that two sealing-plug diameters are less is relative;
The end face of the described spacer shell other end has groove, in this groove, is equipped with back-up ring; The described wall cover other end of wearing is positioned at outside tail-hood and is provided with boss, and be positioned at inside described tail-hood and have ring groove, described back-up ring is inserted in this ring groove, described in wear wall cover and carry out axial limiting by boss and back-up ring and tail-hood and fix; Between described spacer shell one end and terminal box, spacer shell inwall and wear that wall overlaps between outside surface, wears that wall overlaps between internal layer optical cable, gland nut outside surface and wear wall and overlap between inwall and between gland nut and internal layer optical cable and be all tightly connected by O-ring seal.
Advantage of the present utility model and good effect are:
1. the utility model is installed fast, without the need to technique and preparation of construction such as special sulfuration, injection mouldings, easy to use.
2. the utility model physical dimension is little, and installation site is more flexible, reduces the global design difficulty of subsea equipment.
3. the utility model adopts the sealing means of multilayer redundancy, improves the reliability of hermetically-sealed construction.
4. the utility model is convenient to execute-in-place, safeguards and adjusts simple and quick.
Accompanying drawing explanation
Fig. 1 is inner structure schematic diagram of the present utility model;
Wherein: 1 is sealing swivel nut, and 2 is gland nut, and 3 is tail-hood, and 4 for wearing wall cover, 5 is spacer shell, and 6 is dog wedge, and 7 is sealing-plug, and 8 is adjustment pad, 9 is O-ring seal A, and 10 is terminal box, and 11 is O-ring seal B, and 12 is O-ring seal C, 13 is back-up ring, and 14 is groove, and 15 is bolt, and 16 is plain washer, 17 is spring washer, and 18 is hexagonal nut, and 19 is O-ring seal D, and 20 is internal layer optical cable, 21 is boss, and A is compression-side, and B is normal pressure side.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model comprises sealing swivel nut 1, gland nut 2, tail-hood 3, wears wall cover 4, spacer shell 5, dog wedge 6 and sealing-plug 7, and wherein one end of spacer shell 5 is connected with terminal box 10, and seals with two O-ring seal A9; The other end of spacer shell 5 and tail-hood 3 are affixed by the bolt 15 of circumference uniform distribution, plain washer 16, spring washer 17 and hexagonal nut 18, form outside of the present utility model and install positioning housing.One end that spacer shell 5 is connected with terminal box 10 is normal pressure side B, and the other end is compression-side A.
Wear wall cover 4 and be positioned at spacer shell 5, and complete the radial seal with spacer shell 5 inwall by two O-ring seal B11, internal layer optical cable 20 passes by wearing wall cover 4, and the outside surface of internal layer optical cable 20 is provided with tygon cable outer sheath.One end accommodated inside wearing wall cover 4 has sealing-plug 7, and be connected with sealing swivel nut 1 in the end thread of this end, wear wall cover 4 be positioned at B one end, normal pressure side sealing-plug 7 and sealing swivel nut 1 be all set on internal layer optical cable 20, and sealing-plug 7 and sealing swivel nut 1 between be provided with the adjustment pad 8 be set on internal layer optical cable 20.
The end face of spacer shell 5 other end has groove 14, in this groove 14, is equipped with back-up ring 13.Wearing wall cover 4 has the other end to be passed by tail-hood 3, wear wall to overlap 4 other ends and be positioned at outside tail-hood 3 and be radially provided with boss 21, be positioned at inside tail-hood 3 and have ring groove, the inner ring of back-up ring 13 is inserted in this ring groove, wears wall cover 4 and utilizes boss 21 and back-up ring 14 to carry out axial limiting with tail-hood 3 to fix.The other end wearing wall cover 4 has been threaded gland nut 2, one end of this gland nut 2 is positioned at wears wall cover 4, outside surface is completed and the radial seal of wearing wall and overlap 4 inwalls by two O-ring seal D19, and inside surface is tightly connected by two O-ring seal C and internal layer optical cable 20; The other end of gland nut 2 is positioned to be worn outside wall cover 4, and the sealing swivel nut 1 that has been threaded.In gland nut 2, be equipped with sealing-plug 7, the sealing-plug 7 and the sealing swivel nut 1 that are positioned at compression-side A are all set on internal layer optical cable 20, and are provided with the adjustment pad 8 be set on internal layer optical cable 20 between sealing-plug 7 and sealing swivel nut 1.
Sealing-plug 7 (i.e. the sealing-plug 7 of compression-side A side) accommodating in gland nut 2 and wear wall and overlap sealing-plug 7 (i.e. the sealing-plug 7 of side, normal pressure side) accommodating in 4 one end and be the taper type (wedge shape) axially having through hole, one end that two sealing-plug 7 diameters are less is relative.Correspondingly, wear the cavity that wall overlaps accommodating sealing-plug 7 in the cavity of the 4 accommodating sealing-plugs in one end 7 and gland nut 2, axial cross section is trapezoidal.
Wear in wall cover 4 and be equipped with dog wedge 6, this dog wedge 6 is at gland nut 2 and wear wall and overlap between 4 one end.Internal layer optical cable 20 is passed by dog wedge 6, and dog wedge 6 entirety is in taper type, and namely the external diameter of dog wedge 6 is reduced to one end (normal pressure side B) of spacer shell 5 by the other end (compression-side A) of spacer shell 5; Dog wedge 6 of the present utility model is subdivision structure, and namely subdivision is two parts, and the inside surface of every part is equipped with leg-of-mutton sawtooth annular groove.The cavity wearing accommodating dog wedge 6 in wall cover 4 is identical with the shape of dog wedge 6, and axial cross section is trapezoidal.The adjustment pad 8 be set on internal layer optical cable 20 is provided with between dog wedge 6 and gland nut 2.Gland nut 2 is after one end (normal pressure side B) screw-in of spacer shell 5, by adjustment pad 8, dog wedge 6 is inwardly compressed, dog wedge 6 radial shrinkage, inner sawtooth annular groove is by the tygon cable outer sheath banding of middle part internal layer optical cable 20, and make tygon cable outer sheath surface produce plastic yield, axial restraint is carried out to tygon cable outer sheath.
Internal layer optical cable 20 successively by the sealing swivel nut 1 on gland nut 2 and sealing-plug 7, gland nut 2, dog wedge 6, wear wall and overlap 4, wear wall and overlap sealing-plug 7 on one end and sealing swivel nut 1 passes.The sealing swivel nut 1 of compression-side A compresses the wedge-type seal plug 7 of compression-side A by the adjustment pad 8 of compression-side A, make sealing-plug 7 endoporus and the tygon cable outer sheath close contact of compression-side, plays main seal effect.The sealing swivel nut 1 of normal pressure side B compresses the wedge-type seal plug 7 of normal pressure side B by the adjustment pad 8 of normal pressure side B, make sealing-plug 7 endoporus and the tygon cable outer sheath close contact of normal pressure side B, plays backup sealing function.
Tygon cable outer sheath of the present utility model is prior art, is non-bearing structure, and the bearing position with outer armouring adopts general structure to be connected with other structural member, repeats no more herein.
Claims (7)
1. a underwater optical cable wears wall hermetically-sealed construction, it is characterized in that: comprise sealing swivel nut (1), gland nut (2), tail-hood (3), wear wall cover (4), spacer shell (5), dog wedge (6) and sealing-plug (7), wherein one end of spacer shell (5) and terminal box (10) are tightly connected, the other end is connected with described tail-hood (3), described wall cover (4) of wearing is sealedly attached in spacer shell (5), one end accommodated inside has sealing-plug (7), and the sealing swivel nut (1) that has been threaded, the other end is passed by described tail-hood (3), and the gland nut that has been threaded (2), sealing-plug (7) is equipped with in described gland nut (2), and the sealing swivel nut (1) that has been threaded, described wearing in wall cover (4) is equipped with dog wedge (6), and this dog wedge (6) is positioned at described gland nut (2) and wears between wall cover (4) one end, internal layer optical cable (20) successively by the sealing swivel nut (1) on gland nut (2) and sealing-plug (7), gland nut (2), dog wedge (6), Chuan Bitao (4), wear wall and overlap sealing-plug (7) on one end and sealing swivel nut (1) is passed, and to be tightly connected with described gland nut (2), Chuan Bitao (4) respectively, described dog wedge (6) by screw-in banding internal layer optical cable (20) of gland nut (2), the sealing-plug (7) in described gland nut (2) and wear the screw-in of the sealing-plug (7) in wall cover (4) one end respectively by the sealing swivel nut (1) be threaded separately and seal with internal layer optical cable (20) and abut.
2. wear wall hermetically-sealed construction by underwater optical cable according to claim 1, it is characterized in that: the sealing-plug (7) between described gland nut (2) and dog wedge (6), in gland nut (2) and be equipped with the adjustment pad (8) be set on internal layer optical cable (20) between the sealing swivel nut (1) being threaded on gland nut (2) and between the sealing-plug (7) worn in wall cover (4) one end and the sealing swivel nut (1) being threaded in Chuan Bitao (4) one end.
3. wear wall hermetically-sealed construction by the underwater optical cable described in claim 1 or 2, it is characterized in that: the external diameter of described dog wedge (6) is reduced to one end of spacer shell (5) by the other end of spacer shell (5), this dog wedge (6) is subdivision structure, namely subdivision is two parts, and the inside surface of every part is equipped with sawtooth annular groove.
4. wear wall hermetically-sealed construction by underwater optical cable according to claim 3, it is characterized in that: described dog wedge (6) is compressed by the screw-in of gland nut (2) one end to spacer shell (5), and then radial shrinkage banding internal layer optical cable (20).
5. wear wall hermetically-sealed construction by underwater optical cable according to claim 1, it is characterized in that: accommodating sealing-plug (7) and wear sealing-plug (7) accommodating in wall cover (4) one end and be the taper type axially having through hole in described gland nut (2), one end that two sealing-plugs (7) diameter is less is relative.
6. wear wall hermetically-sealed construction by underwater optical cable according to claim 1, it is characterized in that: the end face of described spacer shell (5) other end has groove (14), in this groove (14), be equipped with back-up ring (13); Described wear wall cover (4) other end be positioned at tail-hood (3) outside be provided with boss (21), be positioned at described tail-hood (3) inner side and have ring groove, described back-up ring (13) is inserted in this ring groove, described in wear wall cover (4) and carry out axial limiting by boss (21) and back-up ring (13) and tail-hood (3) and fix.
7. wear wall hermetically-sealed construction by underwater optical cable according to claim 1, it is characterized in that: between described spacer shell (5) one end and terminal box (10), spacer shell (5) inwall and wear between wall cover (4) outside surface, between Chuan Bitao (4) and internal layer optical cable (20), gland nut (2) outside surface and wearing between wall cover (4) inwall and between gland nut (2) and internal layer optical cable (20) is all tightly connected by O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020571.8U CN205229537U (en) | 2015-12-10 | 2015-12-10 | Wall seal structure is worn to underwater optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020571.8U CN205229537U (en) | 2015-12-10 | 2015-12-10 | Wall seal structure is worn to underwater optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205229537U true CN205229537U (en) | 2016-05-11 |
Family
ID=55904594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521020571.8U Withdrawn - After Issue CN205229537U (en) | 2015-12-10 | 2015-12-10 | Wall seal structure is worn to underwater optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205229537U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873100A (en) * | 2015-12-10 | 2017-06-20 | 中国科学院沈阳自动化研究所 | A kind of underwater optical cable wall-through sealing structure |
| CN107765377A (en) * | 2016-08-22 | 2018-03-06 | 中国科学院沈阳自动化研究所 | A kind of optical fiber wall-through device for bearing 100MPa pressure and preparation method thereof |
| CN108071871A (en) * | 2016-11-17 | 2018-05-25 | 中国科学院沈阳自动化研究所 | A kind of underwater sealing wall-through structure |
-
2015
- 2015-12-10 CN CN201521020571.8U patent/CN205229537U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873100A (en) * | 2015-12-10 | 2017-06-20 | 中国科学院沈阳自动化研究所 | A kind of underwater optical cable wall-through sealing structure |
| CN106873100B (en) * | 2015-12-10 | 2023-06-27 | 中国科学院沈阳自动化研究所 | Wall sealing structure is worn to optical cable under water |
| CN107765377A (en) * | 2016-08-22 | 2018-03-06 | 中国科学院沈阳自动化研究所 | A kind of optical fiber wall-through device for bearing 100MPa pressure and preparation method thereof |
| CN107765377B (en) * | 2016-08-22 | 2023-04-28 | 中国科学院沈阳自动化研究所 | Fiber wall penetrating device capable of bearing 100MPa pressure and manufacturing method thereof |
| CN108071871A (en) * | 2016-11-17 | 2018-05-25 | 中国科学院沈阳自动化研究所 | A kind of underwater sealing wall-through structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160511 Effective date of abandoning: 20230627 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160511 Effective date of abandoning: 20230627 |