CN109830843B - Cable tensile connection structure and load-bearing watertight connector using same - Google Patents
Cable tensile connection structure and load-bearing watertight connector using same Download PDFInfo
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- CN109830843B CN109830843B CN201910222662.6A CN201910222662A CN109830843B CN 109830843 B CN109830843 B CN 109830843B CN 201910222662 A CN201910222662 A CN 201910222662A CN 109830843 B CN109830843 B CN 109830843B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/512—Bases; Cases composed of different pieces assembled by screw or screws
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5205—Sealing means between cable and housing, e.g. grommet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
- H01R13/5804—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part
- H01R13/5812—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part the cable clamping being achieved by mounting the separate part on the housing of the coupling device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model provides a cable tensile connection structure and use bearing watertight connector of this structure, cable tensile connection structure mainly includes middle sleeve, central sleeve, mounting screw, bullet pad and clamp plate, and bearing watertight connector still includes shell, tail cover, awl end holding screw, first sealing washer, central conductor, intermediate conductor closes the piece except above-mentioned cable tensile connection structure. Through the implementation of the invention, the bearing coaxial cable with the bearing rope and the sealing protective layer added outside the coaxial conductor is used, the water-borne extension and the underwater extension are connected by the bearing cable, the water-borne extension can directly supply energy and control the underwater extension through a single cable, meanwhile, a special waterproof structure is arranged on the connector, and most key devices are connected in a threaded connection and interference fit manner, so that the waterproof performance of the connector is greatly improved.
Description
Technical Field
The invention belongs to the technical field of machinery, and particularly relates to a cable tensile connection structure and a load-bearing watertight connector using the same.
Background
At present, with the implementation of the advancement of the national ocean strategy, various underwater electromechanical devices are in great demand, and in the fields of a suspended sonar system, a suspended underwater camera system and the like, a tensile joint has become a common connecting device, for example, the patent with the publication number of CN2849326Y discloses a tensile joint which is used for connecting the end heads of cables, steel wire ropes or fiber ropes and is matched with the inner cavity of a taper sleeve through the shape of the taper core, so that the transmission of photoelectric signals is ensured, but when the tensile joint is continuously acted by waves, the bearing cables can shake and have no special waterproof design, and the faults are very likely to occur to influence the signal transmission, while the patent with the publication number of CN104183972A discloses a tensile connecting structure of cables and a connector using the tensile connecting structure, and also uses an integral taper sleeve connecting mode to connect and fix the cables, and the main characteristic of the tensile joint is that the installation efficiency of the tensile joint of the cables is improved, but also greatly reduces the reliability of the connection when used in a watertight environment.
Disclosure of Invention
In order to solve the technical problem, the invention provides a cable tensile connection structure and a load-bearing watertight connector using the same.
The invention is realized by the following technical scheme.
The invention provides a tensile connecting structure of a cable, which mainly comprises a middle sleeve, a central sleeve, a mounting screw, an elastic pad and a pressing plate,
two sides of the outer circular surface of the middle sleeve are provided with anti-flat rotation plates, the front end surface is provided with threaded holes and glue injection through holes which are uniformly distributed in the circumferential direction and are used for connecting a pressure plate, an inner hole is formed by connecting a conical hole and a cylindrical hole, the conical hole is positioned at the front end, and the cylindrical hole is positioned at the rear end;
the outer part of the central sleeve is conical, the size of the outer part of the central sleeve is matched with that of an inner hole of the intermediate sleeve, the central sleeve is inserted into the inner hole of the intermediate sleeve, and the front end of the inner hole of the central sleeve is provided with threads;
the pressing plate is provided with an anti-rotation flat, a screw counter bore and a glue injection hole which correspond to the middle sleeve, the center of the pressing plate is provided with a threading hole for a coaxial wire to pass through, and a plurality of bearing fiber threading holes are uniformly distributed in the circumferential direction, so that the bearing fibers can move before being compressed between the middle sleeve and the middle sleeve;
the mounting screw penetrates through the elastic pad to connect the pressing plate with the middle sleeve;
during assembly, after the end parts of the bearing fibers of the bearing cable are knotted, the bearing fibers are pressed into the conical surfaces matched with the central sleeve and penetrate out of the threading holes formed in the inner sides of the pressing plates, so that the bearing fibers can move back and forth before being completely compressed between the conical surfaces, uniform stress of the bearing fibers after the installation is finished is facilitated, after the mounting screws are screwed down, the bearing fibers penetrating out of the pressing plates and corresponding to the central axis are knotted in pairs near the central axis, and the tail ends of the bearing fibers are fixed and then coated with anti-loosening glue.
Furthermore, the number of the glue injection through holes in the middle sleeve is two, and the glue injection through holes are symmetrically distributed on the front end face relative to the inner hole of the middle sleeve.
Furthermore, the binding wire is further included, and when the binding wire is assembled, the bearing fibers penetrating out of the pressing plate and corresponding to the central axis are knotted in pairs near the central axis, and the tail end of the bearing fibers is bound by the binding wire and then coated by the anti-loosening glue.
Further, the sleeve also comprises a sheath which is arranged in the inner hole of the central sleeve.
A load-bearing watertight connector comprises the cable tensile connection structure, and further comprises a shell, a tail sleeve, a cone end set screw, a first sealing ring, a central conductor and a middle conductor assembly;
the front end of the outer part of the shell is provided with an installation flange, the rear end of the outer part of the shell is provided with a clamping flat and an external thread, and a smooth cylindrical surface at the rear end of the external thread, a tail sleeve and a first sealing ring arranged in the tail sleeve form piston rod sealing; the front end of the inner hole is provided with a middle medium body mounting stop surface and an encapsulating groove, and the rear end of the inner hole is provided with an anti-rotation flat corresponding to the middle sleeve and the pressing plate;
the inner hole at the front end of the tail sleeve is provided with an internal thread matched with the external thread of the shell, the inner hole at the rear end comprises an anti-deviation hole which just allows a bearing cable to pass through and a glue storage hole for enhancing the sealing performance of a vulcanized body, the outer circular surface at the front end is provided with two corresponding flat parts which are convenient to disassemble, and the outer circular surface at the rear end is provided with a vulcanization anti-falling annular groove;
the middle conductor assembly is formed by coaxially sleeving a middle conductor, a central medium body and a welding wire cylinder, and an annular groove is formed in the outer part of the tail end of the welding wire cylinder and used for binding and welding a shielding layer;
the tail end of the central conductor is provided with a blind hole for pressing and connecting a lead, the front end of an inner hole of the shell is provided with a sleeving limiting step and a glue pouring groove, and the tail end surface of the coaxially sleeved central conductor, the middle conductor assembly and the central dielectric body is lower than the back end surface of the glue pouring groove;
when the cable is used, after the bearing fiber of the bearing coaxial cable is fixed on the tensile connecting structure, the conductor in the lead and the external shielding layer are respectively connected to the tail end blind hole of the central conductor and the tail end annular groove of the intermediate conductor assembly, the central conductor, the intermediate conductor assembly and the intermediate medium body are coaxially sleeved and then pushed into the shell, after the central conductor, the intermediate conductor assembly and the intermediate medium body are pushed in place, a proper amount of epoxy resin is injected into the through hole formed in the intermediate sleeve through the injector, rubber is injected into the cylindrical cavity at the tail end of the intermediate sleeve after the rubber injection is finished, after the assembly is finished, the tail sleeve which is pre-threaded on the sealing protective layer of the bearing cable is screwed with the shell through threads, and a vulcanization sealing end.
Furthermore, the central dielectric body is fixed inside the middle conductor and the welding wire barrel through interference connection.
Furthermore, the tail sleeve is arranged on the side wall of the tail sleeve and the side wall of the shell, and the tail sleeve is screwed tightly with the shell and then fixed by the fastening screw.
Furthermore, an annular groove is formed in an inner hole in the front end of the tail sleeve, and the first sealing ring is installed in the annular groove of the tail sleeve.
Furthermore, the sealing device also comprises a second sealing ring, wherein an annular groove is formed in the upper end of the shell, and the second sealing ring is arranged in the annular groove.
The invention has the beneficial effects that: through the implementation of the invention, the bearing coaxial cable with the bearing rope and the sealing protective layer added outside the coaxial conductor is used, the water-borne extension and the underwater extension are connected by the bearing cable, the water-borne extension can directly supply energy and control the underwater extension through a single cable, meanwhile, a special waterproof structure is arranged on the connector, and most key devices are connected in a threaded connection and interference fit manner, so that the waterproof performance of the connector is greatly improved.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the tensile connection structure of the cable and the load-bearing watertight connector using the structure according to the invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of a quarter cut-away structure of the housing according to the present invention;
FIG. 4 is a schematic view of a half-section of a boot according to the present invention;
FIG. 5 is a schematic perspective view of an intermediate sleeve according to the present invention;
FIG. 6 is a schematic view of a transverse half-section of an intermediate sleeve according to the present invention;
FIG. 7 is a schematic longitudinal half-section of an intermediate sleeve according to the present invention;
FIG. 8 is a schematic view of the center sleeve construction proposed by the present invention;
fig. 9 is a schematic view of the structure of the pressure plate proposed by the present invention.
In the figure: 1-shell, 2-tail sleeve, 3-cone end set screw, 4-first sealing ring, 5-bearing cable, 51-sealing protective layer, 52-vulcanized sealing end, 53-rubber, 54-bearing fiber, 55-lead, 56-shielding layer, 57-conductor, 6-middle sleeve, 7-center sleeve, 8-sheath, 9-mounting screw, 10-elastic pad, 11-pressing plate, 12-binding wire, 14-middle conductor assembly, 15-center conductor, 16-middle conductor, 17-center dielectric body, 18-welding wire barrel and 19-second sealing ring.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1-2, a cable tensile connection structure mainly comprises a middle sleeve 6, a central sleeve 7, a mounting screw 9, an elastic pad 10 and a pressing plate 11,
two sides of the outer circular surface of the middle sleeve 6 are provided with anti-flat rotation plates, the front end surface is provided with threaded holes and glue injection through holes which are uniformly distributed in the circumferential direction and are used for connecting a pressure plate, an inner hole is formed by connecting a conical hole and a cylindrical hole, the conical hole is positioned at the front end, and the cylindrical hole is positioned at the rear end;
the outer part of the central sleeve 7 is conical, the size of the outer part is matched with that of an inner hole of the intermediate sleeve 6, the central sleeve is inserted into the inner hole of the intermediate sleeve 6, and the front end of the inner hole of the central sleeve 7 is provided with threads;
the pressing plate 11 is provided with an anti-rotation flat, a screw counter bore and a glue injection hole corresponding to the middle sleeve 6, the center of the pressing plate is provided with a threading hole for a coaxial wire to pass through, and a plurality of bearing fiber threading holes are uniformly distributed in the circumferential direction, so that the bearing fibers can move before being compressed between the middle sleeve and the middle sleeve;
the mounting screw 9 penetrates through the elastic pad 10 to connect the pressure plate 11 with the middle sleeve 6;
during assembly, after the end parts of the bearing fibers 54 of the bearing cable 5 are knotted, the bearing fibers are pressed into the conical surfaces matched with the central sleeve 7 and the middle sleeve 6 and then penetrate out of the threading holes formed in the inner side of the pressing plate 11, so that the bearing fibers 54 can move back and forth before being completely compressed between the conical surfaces, the bearing fibers are uniformly stressed after the installation is finished, after the installation screws 9 are screwed down, the bearing fibers 54 corresponding to the central axis penetrate out of the pressing plate 11 and are knotted two by two near the central axis, the tail ends of the bearing fibers are fixed, and then the anti-loosening glue is coated.
Furthermore, the number of the glue injection through holes on the middle sleeve 6 is two, and the glue injection through holes are symmetrically distributed on the front end face relative to the inner hole of the middle sleeve 6.
Further, the binding wire 12 is further included, and during assembly, the bearing fibers 54 which penetrate out of the pressing plate 11 and correspond to the central axis are knotted in pairs near the central axis, the tail ends of the bearing fibers are bound by the binding wire 12, and then the binding wire is coated with anti-loosening glue.
Further, the device also comprises a sheath 8, and the sheath 8 is arranged in the inner hole of the central sleeve 7.
A load-bearing watertight connector comprises the cable tensile connection structure, and further comprises a shell 1, a tail sleeve 2, a cone end set screw 3, a first sealing ring 4, a central conductor 15 and a middle conductor assembly 14;
the front end of the outer part of the shell 1 is provided with an installation flange, the rear end of the outer part of the shell is provided with a clamping flat and an external thread, and a smooth cylindrical surface at the rear end of the external thread, the tail sleeve 2 and a first sealing ring 4 arranged in the tail sleeve 2 form piston rod sealing; the front end of the inner hole is provided with a middle medium body mounting stop surface and an encapsulating groove, and the rear end is provided with an anti-rotation flat corresponding to the middle sleeve 6 and the pressing plate 11;
the inner hole at the front end of the tail sleeve 2 is provided with an internal thread matched with the external thread of the shell 1, the inner hole at the rear end comprises an anti-deviation hole which just allows a bearing cable to pass through and a glue storage hole for enhancing the sealing performance of a vulcanized body, the outer circular surface at the front end is provided with two corresponding flat parts which are convenient to disassemble, and the outer circular surface at the rear end is provided with a vulcanization anti-falling annular groove;
the middle conductor assembly 14 is formed by coaxially sleeving a middle conductor 16, a central medium body 17 and a welding wire cylinder 18, and an annular groove is formed in the outer part of the tail end of the welding wire cylinder 18 and used for binding and welding a shielding layer 56;
the tail end of the central conductor 15 is provided with a blind hole for pressing and connecting a lead, the front end of an inner hole of the shell 1 is provided with a sleeving limiting step and a glue pouring groove, and the tail end surface of the central conductor 15, the middle conductor assembly 14 and the central dielectric body 13 is lower than the back end surface of the glue pouring groove after being coaxially sleeved;
when the bearing coaxial cable is used, after the bearing fiber 54 of the bearing coaxial cable 5 is fixed on the tensile connection structure, a conductor 57 in a lead 55 and an external shielding layer 56 are respectively connected to a blind hole at the tail end of the central conductor 15 and an annular groove at the tail end of the intermediate conductor assembly 14, the central conductor 15, the intermediate conductor assembly 14 and the intermediate medium body 13 are coaxially sleeved and then pushed into the shell 1, after the central conductor 15, the intermediate conductor assembly 14 and the intermediate medium body 13 are pushed in place, a proper amount of epoxy resin is injected from a through hole arranged on the intermediate sleeve 6 by using an injector, after the injection is completed, rubber 53 is injected into a cylindrical cavity at the tail end of the intermediate sleeve 6, after the assembly is completed, the tail sleeve 2 which is pre-penetrated on the sealing protection layer 51 of the bearing cable 5 is screwed with the shell 1 through.
Further, the central dielectric member 17 is fixed inside the intermediate conductor 16 and the wire bonding barrel 18 by interference fit.
Furthermore, the fixing device also comprises a set screw 3 which is arranged on the side walls of the tail sleeve 2 and the shell 1, and the tail sleeve 2 is fixed by the set screw 3 after being screwed with the shell 1.
Furthermore, an annular groove is formed in an inner hole in the front end of the tail sleeve 2, and the first sealing ring 4 is installed in the annular groove of the tail sleeve 2.
Further, still include second sealing washer 19, the upper end of shell 1 is equipped with the ring channel, and second sealing washer 19 sets up in the ring channel.
The annular groove at the bottom of the hole on the tail sleeve 2 in the connector, the first sealing ring 4 and the cylindrical surface at the tail end of the shell 1 form piston rod seal, the vulcanized sealing end 52 is arranged at the wire outlet of the bearing cable 5, and the butt joint end is matched with the splicing end to form piston seal, so that the reliable waterproof sealing function can be realized.
In the above embodiments, the tensile connection structure of the cable of the present invention is suitable for a load-bearing coaxial cable in which an aramid strength rope and a sealing protective layer are added outside a coaxial conductor, and in other embodiments, a circular cable having a core wire for photoelectric transmission inside and a load-bearing armor layer covering outside may also use the tensile connection structure.
Claims (9)
1. The utility model provides a cable tensile connection structure which characterized in that: mainly comprises a middle sleeve (6), a central sleeve (7), a mounting screw (9), an elastic pad (10) and a pressing plate (11),
two sides of the outer circular surface of the middle sleeve (6) are provided with anti-rotation flat plates, the front end surface is provided with threaded holes and glue injection through holes which are uniformly distributed in the circumferential direction and are used for connecting a pressure plate, an inner hole is formed by connecting a conical hole and a cylindrical hole, the conical hole is positioned at the front end, and the cylindrical hole is positioned at the rear end;
the outer part of the central sleeve (7) is conical, the size of the outer part of the central sleeve is matched with that of an inner hole of the intermediate sleeve (6), the central sleeve is inserted into the inner hole of the intermediate sleeve (6), and the front end of the inner hole of the central sleeve (7) is provided with threads;
the pressing plate (11) is provided with an anti-rotation flat, a screw counter bore and a glue injection hole corresponding to the middle sleeve (6), the center of the pressing plate is provided with a threading hole for a coaxial wire to pass through, and a plurality of bearing fiber threading holes are uniformly distributed in the circumferential direction;
the mounting screw (9) penetrates through the elastic pad (10) to connect the pressure plate (11) with the middle sleeve (6);
during assembly, after the end parts of the bearing fibers (54) of the bearing cable (5) are knotted, the bearing fibers are pressed into the conical surfaces matched with the central sleeve (7) and the middle sleeve (6), then the bearing fibers penetrate out of the pressure plate (11) from the threading holes formed in the inner side of the pressure plate, after the mounting screws (9) are screwed down, the bearing fibers (54) penetrating out of the pressure plate (11) and corresponding to the central axis are knotted in pairs near the central axis, the tail ends of the bearing fibers are fixed, and then the anti-loosening glue is coated.
2. The cable tensile connection structure of claim 1, wherein: the number of the glue injection through holes in the middle sleeve (6) is two, and the glue injection through holes are symmetrically distributed on the front end face relative to the inner hole of the middle sleeve (6).
3. The cable tensile connection structure of claim 1, wherein: the anti-loosening cable is characterized by further comprising a binding wire (12), wherein during assembly, bearing fibers (54) penetrating out of the pressing plate (11) and corresponding to the central axis are knotted in pairs near the central axis, and the tail ends of the bearing fibers are bound by the binding wire (12) and then coated by anti-loosening glue.
4. The cable tensile connection structure of claim 1, wherein: the sleeve is characterized by further comprising a sheath (8), wherein the sheath (8) is arranged in an inner hole of the central sleeve (7).
5. A load-bearing watertight connector, characterized by: the tensile connection structure of the cable comprises the tensile connection structure of any one of claims 1 to 4, and further comprises a shell (1), a tail sleeve (2), a cone end set screw (3), a first sealing ring (4), a central conductor (15) and a middle conductor assembly (14);
the front end of the outside of the shell (1) is provided with an installation flange, the rear end of the outside of the shell is provided with a clamping flat and an external thread, and a smooth cylindrical surface at the rear end of the external thread forms piston rod seal with the tail sleeve (2) and a first seal ring (4) arranged in the tail sleeve (2); the front end of the inner hole is provided with a middle medium body mounting stop surface and an encapsulating groove, and the rear end is provided with an anti-rotation flat corresponding to the middle sleeve (6) and the pressing plate (11);
an inner hole at the front end of the tail sleeve (2) is provided with an internal thread matched with the external thread of the shell (1), an inner hole at the rear end comprises an anti-deviation hole for a bearing cable to pass through and a glue storage hole, and the outer circular surface at the rear end is provided with a vulcanization anti-falling annular groove;
the middle conductor assembly (14) is formed by coaxially sleeving a middle conductor (16), a central medium body (17) and a welding wire cylinder (18), and an annular groove is formed in the outer portion of the tail end of the welding wire cylinder (18) and used for binding and then welding a shielding layer (56);
the tail end of the central conductor (15) is provided with a blind hole for crimping a lead, the front end of an inner hole of the shell (1) is provided with a sleeving limiting step and a glue pouring groove, and the tail end face of the central conductor (15), the middle conductor assembly (14) and the central dielectric body (13) is lower than the back end face of the glue pouring groove after being coaxially sleeved;
when in use, after the bearing fiber (54) of the bearing coaxial cable (5) is fixed on the tensile connecting structure, the conductor (57) in the lead (55) and the external shielding layer (56) are respectively connected with the blind hole at the tail end of the central conductor (15) and the annular groove at the tail end of the intermediate conductor assembly (14), the central conductor (15), the intermediate conductor assembly (14) and the intermediate medium body (13) are coaxially sleeved and then pushed into the shell (1), after the sleeve is pushed in place, a proper amount of epoxy resin is injected from a through hole arranged on the middle sleeve (6) by an injector, after the injection is finished, rubber (53) is injected into a cylindrical cavity at the tail end of the middle sleeve (6), after the assembly is finished, the tail sleeve (2) which is pre-penetrated on the sealing protective layer (51) of the bearing cable (5) is screwed with the shell (1) through threads, and a vulcanization sealing end (52) is arranged at the outlet of the tail end of the tail sleeve (2).
6. A load-bearing watertight connector as claimed in claim 5, characterized in that: the middle conductor (16) and the welding wire cylinder (18) are connected through interference to fix the central medium body (17) inside.
7. A load-bearing watertight connector as claimed in claim 5, characterized in that: the fixing device is characterized by further comprising a set screw (3) which is arranged on the side walls of the tail sleeve (2) and the shell (1), and the tail sleeve (2) is screwed with the shell (1) and then fixed through the set screw (3).
8. A load-bearing watertight connector as claimed in claim 5, characterized in that: an annular groove is formed in an inner hole in the front end of the tail sleeve (2), and the first sealing ring (4) is installed in the annular groove of the tail sleeve (2).
9. A load-bearing watertight connector as claimed in claim 5, characterized in that: still include second sealing washer (19), the upper end of shell (1) is equipped with the ring channel, and second sealing washer (19) set up in the ring channel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011033255.XA CN112421285B (en) | 2019-03-22 | 2019-03-22 | Bearing watertight connector |
| CN201910222662.6A CN109830843B (en) | 2019-03-22 | 2019-03-22 | Cable tensile connection structure and load-bearing watertight connector using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222662.6A CN109830843B (en) | 2019-03-22 | 2019-03-22 | Cable tensile connection structure and load-bearing watertight connector using same |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011033255.XA Division CN112421285B (en) | 2019-03-22 | 2019-03-22 | Bearing watertight connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109830843A CN109830843A (en) | 2019-05-31 |
| CN109830843B true CN109830843B (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011033255.XA Active CN112421285B (en) | 2019-03-22 | 2019-03-22 | Bearing watertight connector |
| CN201910222662.6A Active CN109830843B (en) | 2019-03-22 | 2019-03-22 | Cable tensile connection structure and load-bearing watertight connector using same |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011033255.XA Active CN112421285B (en) | 2019-03-22 | 2019-03-22 | Bearing watertight connector |
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| CN (2) | CN112421285B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829107B (en) * | 2019-10-14 | 2020-12-22 | 安徽远征电缆科技有限公司 | High-voltage multi-core cable intermediate connector |
| CN113612092A (en) * | 2021-07-22 | 2021-11-05 | 四川宇飞连接电子有限公司 | Production process of 5-core deepwater tensile connector |
| CN114137455B (en) * | 2021-11-25 | 2024-02-27 | 中国科学院合肥物质科学研究院 | Electro-optical conversion device mounted on flange surface |
| CN219477574U (en) * | 2022-10-17 | 2023-08-04 | 深圳市思傲拓科技有限公司 | Waterproof sealing mechanism for motor cable of swimming pool robot |
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Also Published As
| Publication number | Publication date |
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| CN112421285A (en) | 2021-02-26 |
| CN112421285B (en) | 2022-01-21 |
| CN109830843A (en) | 2019-05-31 |
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