CN216134030U - Underwater connector - Google Patents
Underwater connector Download PDFInfo
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- CN216134030U CN216134030U CN202121491644.7U CN202121491644U CN216134030U CN 216134030 U CN216134030 U CN 216134030U CN 202121491644 U CN202121491644 U CN 202121491644U CN 216134030 U CN216134030 U CN 216134030U
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- sealing ring
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Abstract
The utility model provides an underwater connector comprising: screwing the nut, the base body, the sealing ring and the fluororubber cable; wherein the sealing ring is hollow and has a bevel ring shape; the fluororubber cable is made of fluororubber, and the wire diameter of the fluororubber cable is smaller than the diameter of the wire through hole; the sealing ring is positioned in the sealing groove and is positioned in the sealing ring cavity; screwing the nut to fix the nut on the base body; when the end face of the thread is attached to the end face of the sealing ring, the distance between the lower end face of the nut and the upper end face of the square seat is more than 3 mm; the fluororubber cable sequentially passes through the wire passing holes; the stud is screwed into the sealing end face, and the sealing ring is pressed tightly on the sealing end face to realize the end face sealing of the thread part; the nut is screwed into the base body to press the sealing ring, the shape of the wire passing hole is uniformly and controllably reduced under the action of the inclined body of the sealing ring and the slope, and the wire passing hole is tightly pressed on the fluororubber cable, so that reliable and compact sealing and jointing are realized, and the water pressure of more than 8.5MPa can be borne; simple structure, low cost and reliable sealing.
Description
Technical Field
The utility model belongs to the field of connectors, and particularly relates to an underwater connector.
Background
The underwater equipment needs a reliable underwater connector for cable connection, so that the sealing performance of a joint is ensured; at present, most of deep water connectors widely used in the market are multi-pin plug-in type connectors, sealing is realized by mutual extrusion of soft materials such as rubber, and the performance is reliable; but are expensive to manufacture due to process and material limitations; the most common waterproof joint in the market is sealed by pressing the sealing ring to be attached to the outer surface of the cable made of the rubber material through the nut, the structure is simple, the cost is low, but the sealing ring is pressed in the annular direction through the nut, and the sealing ring is in an annular shape, so that the inner circular surface of the sealing ring is non-uniformly reduced under the pressing of external force, and the sealing ring can be in a wrinkled shape; the sealing requirement can be met sufficiently in the scene of common waterproof requirements, but the sealing failure can be caused by the existence of folds in the deep water environment of more than one hundred meters; in addition, because the material of ordinary waterproof joint and cable material adopt ordinary rubber material, its sealing reliability is not high. There is therefore a need for a low cost, high reliability subsea connector.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides an underwater connector, comprising: screwing the nut 1, the base body 2, the sealing ring 3, the sealing ring 4, the split nut 5 and the fluororubber cable 6;
wherein the tightening nut 1 includes: the nut 11, the thread 12, the protection chamfer 13 and the wire passing hole 14;
wherein the substrate 2 comprises: the sealing structure comprises a square seat 21, a sealing groove 22, a stud 23, square seat threads 24, a sealing ring cavity 25, a slope 26 and a wire passing hole 27;
wherein the seal ring 4 comprises: a sealing ring cylinder 41, a sealing ring inclined body 42 and a wire passing hole 43;
wherein, the opening nut 5 is provided with an opening 51;
wherein the upper part of the tightening nut 1 is a hexagonal nut 11, and the lower part is a thread 12; the middle part of the screwing nut 1 is provided with a wire passing hole 14; the ring edge of the wire passing hole 14 close to the outer end face of the nut 11 is provided with a protective chamfer 13 to prevent the surface of the cable from being scratched when the cable penetrates through the wire passing hole 14;
the upper part of the base body 2 is a square base 21, the lower end face of the square base 21 is provided with a sealing groove 22, the center of the lower end face of the square base 21 is provided with a stud 23, the middle part of the square base 21 is of a hollow structure, the upper part of the hollow structure is provided with square base threads 24, the lower part of the hollow structure is provided with a sealing annular cavity 25, the lower edge of the sealing annular cavity 25 is provided with a slope 26, and the oblique angle range of the slope is 30-60 degrees; the surfaces of the sealing ring cavity 25 and the slope 26 are high-precision planes, and the surface roughness is less than 1.6 mu m; wherein, the middle part of the stud 23 is provided with a wire passing hole 27;
the sealing ring 4 is a hollow ring with an oblique angle and is made of fluororubber, and the Shore A hardness value of the sealing ring is 70; a wire passing hole 43 is formed in the middle of the sealing ring 4, and a sealing ring inclined body 42 is arranged at one end of the sealing ring 4 and has the same oblique angle with the slope 26;
wherein the diameters of the wire through holes 14, 43 and 27 are the same;
the opening 51 is formed in the opening nut 5, and a wire can pass through the opening 51 from the side face of the nut, so that the nut can be sleeved and taken down at will even after the cable and the electric appliance part in the sealed cabin are welded, and the cable cannot influence the nut;
the fluororubber cable 6 is made of fluororubber, and the Shore A hardness value of the fluororubber cable is 70; the wire diameter of the fluororubber cable 6 is smaller than the diameters of the wire through hole 14, the wire through hole 43 and the wire through hole 27, and the difference is smaller than 0.5 mm;
wherein, the sealing ring 3 is positioned in the sealing groove 22, and the sealing ring 4 is positioned in the sealing ring cavity 25; the tightening nut 1 is fixed on the base body 2 through the thread fit of the thread 12 and the square seat thread 24; when the end face of the thread 12 is attached to the end face of the sealing ring 4, the distance between the lower end face of the nut 11 and the upper end face of the square seat 21 is more than 3mm, namely, when the screwed nut 1 is completely screwed into the base body 2, the sealing ring 4 can be pressed by more than 3 mm; wherein the wire through hole 14 is coaxial with the wire through hole 43 and the wire through hole 27; the fluororubber cable 6 sequentially passes through the wire through hole 14, the wire through hole 43 and the wire through hole 27;
the stud 23 is screwed into the sealing end face, and the opening nut 5 at the other side of the end face is in threaded fit with the stud 23 to press the sealing ring 3 tightly on the sealing end face, so that the end face sealing of the threaded part is realized; the tightening nut 1 is screwed into the base body 2 to press the sealing ring 4, and under the action of the inclined sealing ring body 42 and the slope 26, the shape of the wire through hole 43 is uniformly and controllably reduced and is tightly pressed on the fluororubber cable 6, so that reliable and compact sealing attachment is realized, and the water pressure of more than 8.5MPa can be borne. Simple structure, low cost and reliable sealing.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 shows a cross-sectional view of the general construction of the present invention;
FIG. 2 shows an exploded view of the overall invention;
FIG. 3 shows a schematic view of the tightening nut of the present invention;
FIG. 4 shows a schematic view of a seal ring structure of the present invention;
FIG. 5 shows a schematic of the matrix structure of the present invention;
FIG. 6 shows a schematic of the matrix structure of the present invention;
fig. 7 shows a schematic representation of the use of the present invention.
In the figure, 1-a tightening nut, 2-a base body, 3-a sealing ring, 4-a sealing ring, 5-a split nut, 6-a fluororubber cable, 12-a thread, 13-a protection chamfer, 14-a line passing hole, 21-a square seat, 22-a sealing groove, 23-a stud, 24-a square seat thread, 25-a sealing ring cavity, 26-a slope, 27-a line passing hole, 41-a sealing ring cylinder, 42-a sealing ring inclined body, 43-a line passing hole and 51-an opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model is described in further detail below with reference to the accompanying drawings:
the utility model comprises the following steps: screwing the nut 1, the base body 2, the sealing ring 3, the sealing ring 4, the split nut 5 and the fluororubber cable 6;
wherein the tightening nut 1 includes: the nut 11, the thread 12, the protection chamfer 13 and the wire passing hole 14;
wherein the substrate 2 comprises: the sealing structure comprises a square seat 21, a sealing groove 22, a stud 23, square seat threads 24, a sealing ring cavity 25, a slope 26 and a wire passing hole 27;
wherein the seal ring 4 comprises: a sealing ring cylinder 41, a sealing ring inclined body 42 and a wire passing hole 43;
wherein, the opening nut 5 is provided with an opening 51;
wherein the upper part of the tightening nut 1 is a hexagonal nut 11, and the lower part is a thread 12; the middle part of the screwing nut 1 is provided with a wire passing hole 14; the ring edge of the wire passing hole 14 close to the outer end face of the nut 11 is provided with a protective chamfer 13 to prevent the surface of the cable from being scratched when the cable penetrates through the wire passing hole 14;
the upper part of the base body 2 is a square base 21, the lower end face of the square base 21 is provided with a sealing groove 22, the center of the lower end face of the square base 21 is provided with a stud 23, the middle part of the square base 21 is of a hollow structure, the upper part of the hollow structure is provided with square base threads 24, the lower part of the hollow structure is provided with a sealing annular cavity 25, the lower edge of the sealing annular cavity 25 is provided with a slope 26, and the oblique angle range of the slope is 30-60 degrees; the surfaces of the sealing ring cavity 25 and the slope 26 are high-precision planes, and the surface roughness is less than 1.6 mu m; wherein, the middle part of the stud 23 is provided with a wire passing hole 27;
the sealing ring 4 is a hollow ring with an oblique angle and is made of fluororubber, and the Shore A hardness value of the sealing ring is 70; a wire passing hole 43 is formed in the middle of the sealing ring 4, and a sealing ring inclined body 42 is arranged at one end of the sealing ring 4 and has the same oblique angle with the slope 26;
wherein the diameters of the wire through holes 14, 43 and 27 are the same;
the opening 51 is formed in the opening nut 5, and a wire can pass through the opening 51 from the side face of the nut, so that the nut can be sleeved and taken down at will even after the cable and the electric appliance part in the sealed cabin are welded, and the cable cannot influence the nut;
the fluororubber cable 6 is made of fluororubber, and the Shore A hardness value of the fluororubber cable is 70; the wire diameter of the fluororubber cable 6 is smaller than the diameters of the wire through hole 14, the wire through hole 43 and the wire through hole 27, and the difference is smaller than 0.5 mm;
wherein, the sealing ring 3 is positioned in the sealing groove 22, and the sealing ring 4 is positioned in the sealing ring cavity 25; the tightening nut 1 is fixed on the base body 2 through the thread fit of the thread 12 and the square seat thread 24; when the end face of the thread 12 is attached to the end face of the sealing ring 4, the distance between the lower end face of the nut 11 and the upper end face of the square seat 21 is more than 3mm, namely, when the screwed nut 1 is completely screwed into the base body 2, the sealing ring 4 can be pressed by more than 3 mm; wherein the wire through hole 14 is coaxial with the wire through hole 43 and the wire through hole 27; the fluororubber cable 6 sequentially passes through the wire through hole 14, the wire through hole 43 and the wire through hole 27; the split nut 5 is in threaded fit with the stud 23;
embodiments of the utility model are described in further detail below with reference to the accompanying drawings:
the stud 23 is screwed into the sealing end face, the opening nut 5 on the other side of the end face is in threaded fit with the stud 23, and the compression sealing ring 3 is tightly pressed on the sealing end face to realize end face sealing of the threaded part; the tightening nut 1 is screwed into the base body 2 to press the sealing ring 4, and under the action of the inclined sealing ring body 42 and the slope 26, the shape of the wire through hole 43 is uniformly and controllably reduced and is tightly pressed on the fluororubber cable 6, so that reliable and compact sealing attachment is realized, and the water pressure of more than 8.5MPa can be borne.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. An underwater connector, comprising: the method comprises the following steps of screwing a nut (1), a base body (2), a sealing ring (3), a sealing ring (4), an open nut (5) and a fluororubber cable (6);
wherein the tightening nut (1) comprises: the nut (11), the thread (12), the protection chamfer (13) and the wire passing hole (14);
wherein the base body (2) comprises: the sealing structure comprises a square seat (21), a sealing groove (22), a stud (23), square seat threads (24), a sealing ring cavity (25), a slope (26) and a wire passing hole (27);
wherein the sealing ring (4) comprises: a sealing ring column body (41), a sealing ring inclined body (42) and a wire passing hole (43);
wherein the open nut (5) is provided with an opening (51);
wherein the upper part of the tightening nut (1) is a hexagonal nut (11), and the lower part is a thread (12); the middle part of the screwing nut (1) is provided with a wire passing hole (14); the ring edge of the wire passing hole (14) close to the outer end face of the nut (11) is provided with a protective chamfer (13);
the upper part of the base body (2) is a square base (21), a sealing groove (22) is formed in the lower end face of the square base (21), a stud (23) is arranged in the center of the lower end face of the square base (21), the middle part of the square base (21) is of a hollow structure, the upper part of the hollow structure is a square base thread (24), the lower part of the hollow structure is a sealing ring cavity (25), and a slope (26) is formed in the lower edge of the sealing ring cavity (25); wherein the middle part of the stud (23) is provided with a wire passing hole (27);
the sealing ring (4) is a hollow ring with an oblique angle and is made of fluororubber, and the Shore A hardness value of the sealing ring is 70; a wire passing hole (43) is formed in the middle of the sealing ring (4), and a sealing ring inclined body (42) is arranged at one end of the sealing ring (4) and has the same inclined angle with the slope (26);
wherein the diameters of the wire through holes (14, 43 and 27) are the same;
wherein the fluororubber cable (6) is made of fluororubber, and the Shore A hardness value is 70; the wire diameter of the fluororubber cable (6) is smaller than the diameters of the wire through holes (14, 43 and 27);
wherein the sealing ring (3) is positioned in the sealing groove (22), and the sealing ring (4) is positioned in the sealing ring cavity (25); the tightening nut (1) is matched with the thread of the square seat thread (24) through the thread (12) and is fixed on the base body (2); when the end face of the thread (12) is attached to the end face of the sealing ring (4), the distance between the lower end face of the nut (11) and the upper end face of the square seat (21) is more than 3 mm; wherein the wire through hole (14) is coaxial with the wire through hole (43) and the wire through hole (27); the fluororubber cable (6) sequentially passes through the wire passing hole (14), the wire passing hole (43) and the wire passing hole (27); the split nut (5) is in threaded fit with the stud (23).
2. Subsea connection according to claim 1, characterized in that the ramp (26) has an angle of inclination in the range of 30 ° -60 °.
3. An underwater connector as claimed in claim 1, characterized in that the surfaces of the sealing ring cavity (25) and the ramp (26) are high precision planar with a surface roughness of less than 1.6 μm.
4. The underwater connector according to claim 1, wherein the difference between the wire diameter of the fluororubber cable (6) and the diameters of the wire through hole (14), the wire through hole (43) and the wire through hole (27) is less than 0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121491644.7U CN216134030U (en) | 2021-06-28 | 2021-06-28 | Underwater connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121491644.7U CN216134030U (en) | 2021-06-28 | 2021-06-28 | Underwater connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216134030U true CN216134030U (en) | 2022-03-25 |
Family
ID=80767220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121491644.7U Active CN216134030U (en) | 2021-06-28 | 2021-06-28 | Underwater connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216134030U (en) |
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2021
- 2021-06-28 CN CN202121491644.7U patent/CN216134030U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Underwater connector Effective date of registration: 20221129 Granted publication date: 20220325 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: HANGZHOU AOHAI MARINE ENGINEERING Co.,Ltd. Registration number: Y2022330003340 |