CN103022798A - Anti-twist watertight device for underwater electric connector - Google Patents

Anti-twist watertight device for underwater electric connector Download PDF

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Publication number
CN103022798A
CN103022798A CN2013100027635A CN201310002763A CN103022798A CN 103022798 A CN103022798 A CN 103022798A CN 2013100027635 A CN2013100027635 A CN 2013100027635A CN 201310002763 A CN201310002763 A CN 201310002763A CN 103022798 A CN103022798 A CN 103022798A
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China
Prior art keywords
ring
cone
metal joint
rubber
sleeved
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CN2013100027635A
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Chinese (zh)
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CN103022798B (en
Inventor
易学平
叶定奇
刘强
石军
熊顺强
陈跟东
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710th Research Institute of CSIC
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710th Research Institute of CSIC
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Priority to CN201310002763.5A priority Critical patent/CN103022798B/en
Publication of CN103022798A publication Critical patent/CN103022798A/en
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Publication of CN103022798B publication Critical patent/CN103022798B/en
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Abstract

The invention discloses an anti-twist watertight device for an underwater electric connector and belongs to the field of marine geophysical prospecting. The device comprises a metal connector, an adjusting tube, an outer metal housing, a first conical part, a first rubber pad, an isolating ring, a second rubber pad, a second conical part, a conical cover, a steel wire sheath mounting plate, a rubber ring, a transition ring, a concave ring, a flared steel wire mesh cover, a rubber jacket, a locking nut, a hollow wedged column, strength bearing aramid fibers and an inner wedged positioning column. Peripheral equipment includes cables. The isolating ring is arranged between the rubber pads to enable the rubber pads to form a serial connection structure, sealing similar to a labyrinth is formed, and sealing performance at the rubber pads is improved. Further, the sealing connector and the cables are high in connection strength and anti-twist performance.

Description

A kind of antitorque curved underwater electrical connector watertight fittings
Technical field
The present invention relates to a kind of antitorque curved underwater electrical connector watertight fittings, belong to the marine geophysical prospecting field.
Background technology
The pull-type cable is used in the marine geophysical prospecting industry widely, and the quality of the water-tight electrical connector of submerged cable plays crucial effect.Because the electric connector applying working condition is complicated, seal degree requires high, and in a single day drainage appear in electric connector, the lighter's cable bad, and severe one injures operating personnel.For this reason, engineers and technicians' design has also produced the various watertight structures that are applicable to different applying working conditions, and some has classified standardized product as, the seriation of its kind.But in practical engineering application, also be difficult to satisfy instructions for use, particularly when the large-scale detecting devices of towing, trailing cable sub aqua sport state is very complicated, electric connector and cable joint not only are subjected to pulling force, but also turned round, the synergy of curved power, under the effect of this composite force, also be difficult to guarantee the watertightness between cable body and metal joint.On the other hand, after finishing assembling, watertight structure will be encapsulated in the electric connector, can not determine that its sealing is reliable even passed through the hydraulic test.
Summary of the invention
The object of the present invention is to provide a kind of antitorque curved underwater electrical connector watertight fittings, described device is provided with shading ring between rubber blanket, makes rubber blanket form series-mode frame, consists of the sealing of similar labyrinth type, has improved the sealing property at this place; And the bonding strength between seal nipple and cable body is high, and antitorque curved ability is strong.
Purpose of the present invention is realized by following technical scheme:
A kind of antitorque curved underwater electrical connector watertight fittings, described device comprises: wedge post in metal joint, adjustment pipe, outer metal cap, the first cone, the first rubber blanket, shading ring, the second rubber blanket, the second cone, cone lid, the mounting disc of steel wire sheath, rubber ring, transition rings, spill ring, horn mouth wire sets, elastometric boot, locking nut, hollow wedge post, load aramid fiber, the location; Ancillary equipment comprises the cable body;
Its annexation is as follows:
Metal joint has the radially cylindrical structural of three grades of step through-holes for inner, is sleeved on the cable external body; The first cone is hollow cylindrical structure, and left end face is hemisphere, and its right end face is the plane, and its right end face contacts with the first order step surface of metal joint inside, is contained in the first order stepped hole of metal joint, and is sleeved on the cable external body; The first rubber blanket is hollow cylindrical structure, and left end face is the plane, and its right end face is concave surface, and its right end face matches with the hemisphere face of the first cone, and the first rubber blanket is sleeved on the cable external body, and the first rubber blanket its right end face contacts with the first cone left end face; Rubber ring set is contained in the cable external body, is positioned at the first rubber blanket left side; Shading ring matches with rubber ring, and is sleeved on the rubber ring outside, and rubber ring and shading ring are by being sulfided into one; The first rubber blanket, shading ring, rubber ring all are contained in the first order stepped hole of metal joint; The second rubber blanket and the second cone are symmetricly set on centered by rubber ring and shading ring in the first order stepped hole of metal joint; Cone mounts cover between the first order stepped hole and second level stepped hole of metal joint, and is sleeved on the cable external body, and cone covers its right end face and contacts with the second cone left end face, and is connected with metal joint by screw thread;
The profile of spill ring is taper type, and outer round surface has the wedge shape groove, and wedge shape groove left side aperture efficiency right openings is large and shallow, and the spill ring set is contained in the cable external body; Transition rings is sleeved between spill ring and the cone lid; The horn mouth wire sets is hollow ring, and it is a trumpet-shaped end and matches with the wedge shape groove of spill ring, and embeds in the wedge shape groove of spill ring; The mounting disc of steel wire sheath matches with spill ring and transition rings, is sleeved on spill ring and transition rings outside;
The cylindrical of the first cone, the first rubber blanket, shading ring, the second rubber blanket, the second cone, cone lid, the mounting disc of steel wire sheath all matches with metal joint step through hole; Cylindrical adjustment pipe box is contained in the metal joint outside, and outer metal cap is that left end is semiclosed, the around shaping drum structure of the complete opening of right-hand member, and left end leaves the assembly space of horn mouth wire sets; The mounting disc of steel wire sheath, metal joint, adjustment pipe left end all contact with outer metal cap left end; Metal joint, adjustment pipe, outer metal cap three are connected;
The wedge column sleeve is contained in the cable external body of removing external protection coating in the location, wedge post outer contacts with the metal joint right side in the location, wedge post inside is provided with the installing space of hollow wedge post in the location, the wedge column wall is coated with epoxide-resin glue in the location, the load aramid fiber is evenly distributed on wedge post inboard in the location, the hollow wedge post is pressed into wedge post installed inside space in the location, and locking nut is connected with the interior wedge post in location, and the hollow wedge post is compressed; Inject fluid sealant in the cavity that wedge post, removal external protection coating cable body form in metal joint, location; Elastometric boot and outer metal cap and horn mouth wire sets are connected, and are sulfided into one with the cable body of not removing overcoat;
Described fluid sealant is polyurethane sealant;
Described metal joint, adjustment pipe, outer metal cap three are bolted.
Beneficial effect
(1) device of the present invention one end that will compress the cone of rubber blanket is processed into the hemisphere face body, the contact area of cone and rubber blanket in the time of can increasing compression, increase axial pre tightening force, increase the elastic deformation amount of rubber blanket, play a part simultaneously to transmit prefastening load, make each rubber blanket stressed evenly.
(2) device of the present invention is provided with shading ring between rubber blanket, makes rubber blanket form series-mode frame, consists of the sealing of similar labyrinth type, has improved the sealing property at this place.Rubber ring and shading ring can form the hard and soft hermetically-sealed construction that has both by being sulfided into one at the sealing place.
(3) device of the present invention is a trumpet-shaped end with the horn mouth wire sets and is assemblied in the spill interannular, cylindrical wire sets is assemblied on the outer surface of cable body, state after assembling is finished is that steel wire is held the cable body tightly, again by the post-cure technology, vulcanized rubber, outer metal cap and cable body are consolidated into one, so both can increase the bonding strength between seal nipple and cable body, improve again the antitorque curved ability at cable body and seal nipple position.
Description of drawings
Fig. 1 is the partial structurtes schematic diagram of device of the present invention;
Fig. 2 is the overall structure schematic diagram of device of the present invention;
Wherein, wedge post, 22-polyurethane sealant in 1-cable body, 2-metal joint, 3-adjustment pipe, 4-outer metal cap, 5-bolt, the 6-the first cone, the 7-the first rubber blanket, 8-shading ring, the 9-the second rubber blanket, the 10-the second cone, 11-cone lid, the mounting disc of 12-steel wire sheath, 13-rubber ring, 14-transition rings, 15-spill ring, 16-horn mouth wire sets, 17-elastometric boot, 18-locking nut, 19-hollow wedge post, 20-load aramid fiber, the 21-location.
Embodiment
Below in conjunction with the drawings and specific embodiments in detail the present invention is described in detail, but is not limited to this.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of antitorque curved underwater electrical connector watertight fittings, described device comprises: metal joint 2, adjust that pipe 3, outer metal cap 4, the first cone 6, the first rubber blanket 7, shading ring 8, the second rubber blanket 9, the second cone 10, cone covers 11, steel wire sheath mounting disc 12, rubber ring 13, transition rings 14, spill ring 15, horn mouth wire sets 16, elastometric boot 17, locking nut 18, hollow wedge post 19, load aramid fiber 20, the interior wedge post 21 in location; Ancillary equipment comprises cable body 1;
Its annexation is as follows:
Metal joint 2 has the radially cylindrical structural of three grades of step through-holes for inner, is sleeved on cable body 1 outside; The first cone 6 is hollow cylindrical structure, and left end face is hemisphere, and its right end face is the plane, and its right end face contacts with the first order step surface of metal joint 2 inside, is contained in the first order stepped hole of metal joint 2, and is sleeved on cable body 1 outside; The first rubber blanket 7 is hollow cylindrical structure, left end face is the plane, and its right end face is concave surface, and its right end face matches with the hemisphere face of the first cone 6, the first rubber blanket 7 is sleeved on cable body 1 outside, and the first rubber blanket 7 its right end face contact with the first cone 6 left end face; Rubber ring 13 is sleeved on cable body 1 outside, is positioned at the first rubber blanket 7 left sides; Shading ring 8 matches with rubber ring 13, and is sleeved on rubber ring 13 outsides, and rubber ring 13 and shading ring 8 are by being sulfided into one; The first rubber blanket 7, shading ring 8, rubber ring 13 all are contained in the first order stepped hole of metal joint 2; The second rubber blanket 9 and the second cone 10 are symmetricly set in the first order stepped hole of metal joint 2 centered by rubber ring 13 and shading ring 8; Cone covers 11 and is contained between the first order stepped hole and second level stepped hole of metal joint 2, and is sleeved on cable body 1 outside, and cone covers 11 its right end face and contacts with the second cone 10 left end face, and is connected with metal joint 2 by screw thread;
The profile of spill ring 15 is taper type, and outer round surface has the wedge shape groove, and wedge shape groove left side aperture efficiency right openings is large and shallow, and spill ring 15 is sleeved on cable body 1 outside; Transition rings 14 is sleeved on spill ring 15 and cone covers between 11; Horn mouth wire sets 16 is hollow ring, and it is a trumpet-shaped end and matches with the wedge shape groove of spill ring 15, and embeds in the wedge shape groove of spill ring 15; Steel wire sheath mounting disc 12 matches with spill ring 15 and transition rings 14, is sleeved on spill ring 15 and transition rings 14 outsides;
The first cone 6, the first rubber blanket 7, shading ring 8, the second rubber blanket 9, the second cone 10, cone cover 11, the cylindrical of steel wire sheath mounting disc 12 all matches with metal joint 2 step through holes; Cylindrical adjustment pipe 3 is sleeved on metal joint 2 outsides, and outer metal cap 4 is that left end is semiclosed, the around shaping drum structure of the complete opening of right-hand member, and left end leaves the assembly space of horn mouth wire sets 16; Steel wire sheath mounting disc 12, metal joint 2, adjustment pipe 3 left ends all contact with outer metal cap 4 left ends; Metal joint 2, adjustment pipe 3, outer metal cap 4 threes connect by bolt 5;
Wedge post 21 is sleeved on cable body 1 outside of removing external protection coating in the location, wedge post 21 outers contact with metal joint 2 right sides in the location, wedge post 21 inside are provided with the installing space of hollow wedge post 19 in the location, wedge post 21 inwalls are coated with epoxide-resin glue in the location, load aramid fiber 20 is evenly distributed on wedge post 21 inboards in the location, hollow wedge post 19 is pressed into wedge post 21 installed inside spaces in the location, and locking nut 18 is connected with the interior wedge post 21 in location, and hollow wedge post 19 is compressed; Inject polyurethane sealant 22 in the cavity that wedge post 21, removal external protection coating cable body 1 form in metal joint 2, location; Elastometric boot 17 is connected with outer metal cap 4 and horn mouth wire sets 16, and is sulfided into one with the cable body 1 of not removing overcoat.
The present invention includes but be not limited to above embodiment, every any being equal to of carrying out under the principle of spirit of the present invention, replace or local improvement, all will be considered as within protection scope of the present invention.

Claims (3)

1. antitorque curved underwater electrical connector watertight fittings, it is characterized in that: described device comprises: metal joint (2), adjust pipe (3), outer metal cap (4), the first cone (6), the first rubber blanket (7), shading ring (8), the second rubber blanket (9), the second cone (10), cone lid (11), steel wire sheath mounting disc (12), rubber ring (13), transition rings (14), spill ring (15), horn mouth wire sets (16), elastometric boot (17), locking nut (18), hollow wedge post (19), load aramid fiber (20), wedge post (21) in the location; Ancillary equipment comprises cable body (1);
Its annexation is as follows:
Metal joint (2) has the radially cylindrical structural of three grades of step through-holes for inner, is sleeved on cable body (1) outside; The first cone (6) is hollow cylindrical structure, left end face is hemisphere, and its right end face is the plane, and its right end face contacts with the first order step surface of metal joint (2) inside, be contained in the first order stepped hole of metal joint (2), and be sleeved on cable body (1) outside; The first rubber blanket (7) is hollow cylindrical structure, left end face is the plane, its right end face is concave surface, its right end face matches with the hemisphere face of the first cone (6), the first rubber blanket (7) is sleeved on cable body (1) outside, and the first rubber blanket (7) its right end face contacts with the first cone (6) left end face; Rubber ring (13) is sleeved on cable body (1) outside, is positioned at the first rubber blanket (7) left side; Shading ring (8) matches with rubber ring (13), and is sleeved on rubber ring (13) outside, and rubber ring (13) and shading ring (8) are by being sulfided into one; The first rubber blanket (7), shading ring (8), rubber ring (13) all are contained in the first order stepped hole of metal joint (2); The second rubber blanket (9) is symmetricly set in the first order stepped hole of metal joint (2) centered by rubber ring (13) and shading ring (8) with the second cone (10); Cone lid (11) is contained between the first order stepped hole and second level stepped hole of metal joint (2), and be sleeved on cable body (1) outside, cone lid (11) its right end face contacts with the second cone (10) left end face, and is connected with metal joint (2) by screw thread;
The profile of spill ring (15) is taper type, and outer round surface has the wedge shape groove, and spill ring (15) is sleeved on cable body (1) outside; Transition rings (14) is sleeved between spill ring (15) and the cone lid (11); Horn mouth wire sets (16) is hollow ring, and it is a trumpet-shaped end and matches with the wedge shape groove of spill ring (15), and embeds in the wedge shape groove of spill ring (15); Steel wire sheath mounting disc (12) matches with spill ring (15) and transition rings (14), is sleeved on spill ring (15) and transition rings (14) outside;
The cylindrical of the first cone (6), the first rubber blanket (7), shading ring (8), the second rubber blanket (9), the second cone (10), cone lid (11), steel wire sheath mounting disc (12) all matches with metal joint (2) step through hole; Cylindrical adjustment pipe (3) is sleeved on metal joint (2) outside, and outer metal cap (4) is that left end is semiclosed, the around shaping drum structure of the complete opening of right-hand member, and left end leaves the assembly space of horn mouth wire sets (16); Steel wire sheath mounting disc (12), metal joint (2), adjustment pipe (3) left end all contact with outer metal cap (4) left end; Metal joint (2), adjustment pipe (3), outer metal cap (4) three are connected;
Wedge post (21) is sleeved on cable body (1) outside of removing external protection coating in the location, wedge post (21) outer contacts with metal joint (2) right side in the location, wedge post (21) inside is provided with the installing space of hollow wedge post (19) in the location, wedge post (21) inwall is coated with epoxide-resin glue in the location, load aramid fiber (20) is evenly distributed on wedge post (21) inboard in the location, hollow wedge post (19) is pressed into wedge post (21) installed inside space in the location, locking nut (18) is connected with the interior wedge post (21) in location, and hollow wedge post (19) is compressed; Inject fluid sealant in the cavity that wedge post (21), removal external protection coating cable body (1) form in metal joint (2), location; Elastometric boot (17) is connected with outer metal cap (4) and horn mouth wire sets (16), and is sulfided into one with the cable body (1) of not removing overcoat.
2. a kind of antitorque curved underwater electrical connector watertight fittings according to claim 1, it is characterized in that: described fluid sealant is polyurethane sealant (22).
3. a kind of antitorque curved underwater electrical connector watertight fittings according to claim 1 is characterized in that: described metal joint (2), adjust pipe (3), outer metal cap (4) three connects by bolt (5).
CN201310002763.5A 2013-01-04 2013-01-04 Anti-twist watertight device for underwater electric connector Expired - Fee Related CN103022798B (en)

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CN201310002763.5A CN103022798B (en) 2013-01-04 2013-01-04 Anti-twist watertight device for underwater electric connector

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Application Number Priority Date Filing Date Title
CN201310002763.5A CN103022798B (en) 2013-01-04 2013-01-04 Anti-twist watertight device for underwater electric connector

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CN103022798B CN103022798B (en) 2014-12-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103560355A (en) * 2013-11-01 2014-02-05 航天科工惯性技术有限公司 Connection structure of underwater cables
CN112117586A (en) * 2020-08-03 2020-12-22 辽宁三三工业有限公司 Pressure-resistant waterproof connecting structure and method for cables

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1151069A (en) * 1997-07-31 1999-02-23 Minebea Co Ltd Double seal bearing
CN2729979Y (en) * 2004-09-28 2005-09-28 庞英甫 Cable connection sealing end and oil-filled band winding type communication cable connection sleeve
US20050266714A1 (en) * 2003-12-09 2005-12-01 Higgins Sidney A Multi-environment in-line connector
CN102360104A (en) * 2011-10-12 2012-02-22 上海方奥通信技术有限公司 Underwater optical cable connector
CN102820585A (en) * 2012-08-31 2012-12-12 中国电子科技集团公司第四十研究所 High-temperature, large-current and high-voltage connector plug
CN203103649U (en) * 2013-01-04 2013-07-31 中国船舶重工集团公司第七一○研究所 Torque-and-bending resistant underwater electric-connector water-tight apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1151069A (en) * 1997-07-31 1999-02-23 Minebea Co Ltd Double seal bearing
US20050266714A1 (en) * 2003-12-09 2005-12-01 Higgins Sidney A Multi-environment in-line connector
CN2729979Y (en) * 2004-09-28 2005-09-28 庞英甫 Cable connection sealing end and oil-filled band winding type communication cable connection sleeve
CN102360104A (en) * 2011-10-12 2012-02-22 上海方奥通信技术有限公司 Underwater optical cable connector
CN102820585A (en) * 2012-08-31 2012-12-12 中国电子科技集团公司第四十研究所 High-temperature, large-current and high-voltage connector plug
CN203103649U (en) * 2013-01-04 2013-07-31 中国船舶重工集团公司第七一○研究所 Torque-and-bending resistant underwater electric-connector water-tight apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103560355A (en) * 2013-11-01 2014-02-05 航天科工惯性技术有限公司 Connection structure of underwater cables
CN103560355B (en) * 2013-11-01 2015-12-09 航天科工惯性技术有限公司 A kind of syndeton of submerged cable
CN112117586A (en) * 2020-08-03 2020-12-22 辽宁三三工业有限公司 Pressure-resistant waterproof connecting structure and method for cables

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