CN116885511B - Cable connector and wiring method thereof - Google Patents

Cable connector and wiring method thereof Download PDF

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Publication number
CN116885511B
CN116885511B CN202311154007.4A CN202311154007A CN116885511B CN 116885511 B CN116885511 B CN 116885511B CN 202311154007 A CN202311154007 A CN 202311154007A CN 116885511 B CN116885511 B CN 116885511B
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CN
China
Prior art keywords
wall
male connector
cable
linkage
expansion
Prior art date
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Active
Application number
CN202311154007.4A
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Chinese (zh)
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CN116885511A (en
Inventor
黄�俊
张军萍
刘要许
梁明强
梁建锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Anlan Wanjin Electronic Co ltd
Original Assignee
Jiangsu Anlan Wanjin Electronic Co ltd
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Application filed by Jiangsu Anlan Wanjin Electronic Co ltd filed Critical Jiangsu Anlan Wanjin Electronic Co ltd
Priority to CN202311154007.4A priority Critical patent/CN116885511B/en
Publication of CN116885511A publication Critical patent/CN116885511A/en
Application granted granted Critical
Publication of CN116885511B publication Critical patent/CN116885511B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/005Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205Sealing means between cable and housing, e.g. grommet
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/622Screw-ring or screw-casing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/26Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00Connectors or connections adapted for particular applications
    • H01R2201/20Connectors or connections adapted for particular applications for testing or measuring purposes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Abstract

The invention relates to the technical field of cables, in particular to a cable joint and a wiring method thereof. The present invention provides a cable assembly comprising: the cable comprises a cable body and a male connector, wherein the male connector is fixed on the outer wall of the cable body and is suitable for limiting the cable body; the cable body includes: the cable comprises an outer insulating layer, an inner protective layer and a plurality of cable cores, wherein the number of the cable cores is even, and each two cable cores are a group; the inner protective layer is circumferentially arranged on the outer wall of the wire core; the outer insulating layer is fixed in the outer wall of the inner protective layer, and the stability of fixing the cable on the female connector is provided through the arrangement of the male connector.

Description

Cable connector and wiring method thereof
Technical Field
The invention relates to the technical field of cables, in particular to a cable joint and a wiring method thereof.
Background
After the cable is produced, the electrical characteristics of the cable need to be detected, so that the cable end needs to be inserted into the female connector and the male connector is used for limiting and fixing the cable. The male connector in the prior art cannot realize self-locking with the female connector, and cable connection is easy to loosen due to reverse rotation; therefore, it is necessary to develop a cable joint and a wiring method thereof.
Disclosure of Invention
The invention aims to provide a cable connector and a wiring method thereof.
In order to solve the above technical problems, the present invention provides a cable joint, including:
the cable comprises a cable body and a male connector, wherein the male connector is fixed on the outer wall of the cable body and is suitable for limiting the cable body;
the cable body includes: the cable comprises an outer insulating layer, an inner protective layer and a plurality of cable cores, wherein the number of the cable cores is even, and each two cable cores are a group;
the inner protective layer is circumferentially arranged on the outer wall of the wire core;
the outer insulating layer is fixed on the outer wall of the inner protective layer.
The female connector is matched with the male connector, a wire post is fixed in the female connector, a sealing cavity is arranged between the wire post and the inner wall of the female connector, and a wire core is suitable for being inserted into a fixing hole in the wire post;
the male connector is suitable for guiding the outer insulating layer to be inserted into the sealing cavity; wherein,
after the male connector and the female connector are fixed by threads, a locking rod in the male connector is suitable for preventing the male connector from rotating reversely.
Preferably, the male connector includes: the nut is in threaded fit with the female joint, and the fixing ring is rotatably arranged at one end of the nut;
the branching piece is fixed on the inner wall of the fixed ring through a spring and is suitable for separating the wire core from the inner protective layer and the outer insulating layer.
Preferably, the branching member includes: the inner wire coil is fixed on the inner wall of the outer positioning ring;
the wire distributing disc is provided with a plurality of wire distributing openings, and one wire distributing opening corresponds to one wire core;
two through openings are formed between the inner wall of the outer positioning ring and the outer wall of the inner wire distributing disc, the through openings are semicircular, and the inner protective layer and the outer insulating layer are suitable for being inserted into the sealing cavity after passing through the through openings.
Preferably, the male connector further comprises two locking rods, the two locking rods are oppositely arranged, and the locking rods are slidably arranged on the side wall of the outer positioning ring;
two linkage grooves matched with the locking rods are formed in the female connector, the locking rods are suitable for being inserted into the linkage grooves, and the locking rods protrude out of external threads of the outer wall of the female connector.
Preferably, the locking rod is in a right trapezoid shape, and the slope waist edge of the locking rod faces to the rotation direction of the male connector; wherein,
after the male connector is sleeved on the outer wall of the female connector in a threaded mode, the locking rod is suitable for preventing the male connector from reversely loosening.
Preferably, the inner wall of the male connector is provided with two lifting grooves matched with the locking rods, and when the outer wall of the female connector circumferentially rotates to the point that the lifting grooves correspond to the linkage grooves, the locking rods can slide into the lifting grooves.
Preferably, a linkage rod is slidably arranged at the lower end of the locking rod, the linkage rod is arranged along the length direction of the locking rod, one side, close to the wire core, of the linkage rod is in a sharp angle shape, and the linkage rod is suitable for sliding along the width direction of the locking rod.
Preferably, a first expansion piece and a second expansion piece are rotatably arranged in the female joint, the rotation directions of the first expansion piece and the second expansion piece are opposite, the first expansion piece and the second expansion piece are oppositely arranged, and the first expansion piece and the second expansion piece are respectively linked with one linkage rod; wherein,
the male connector is sleeved on the outer wall of the female connector in a threaded manner, the locking rod is suitable for extruding the linkage rod to move downwards, the linkage rod is suitable for pushing the first expansion piece and the second expansion piece to rotate circumferentially relative to the linkage rod,
preferably, the first expansion member includes: the first expansion sheet and the plurality of first triangular guide blocks are rotatably arranged on the inner wall of the female joint, and the inner wall of the first expansion sheet is abutted with the outer wall of the outer insulating layer;
the first triangular guide blocks are fixed on the outer wall of the first expansion piece at equal intervals, and when the linkage rod moves downwards, the linkage rod is suitable for pushing the first triangular guide blocks to slide rightwards.
Preferably, the second expansion member includes: the second expansion sheet and the plurality of second triangular guide blocks are rotatably arranged on the inner wall of the female joint, and the side wall of the second expansion sheet is attached to the side wall of the first expansion sheet;
the second triangular guide blocks are fixed on the outer wall of the second expansion piece at equal intervals, and when the linkage rod moves downwards, the linkage rod is suitable for pushing the second triangular guide blocks to slide leftwards.
On the other hand, the invention also provides a wiring method of the cable joint, and after the cable body passes through the male joint, the cable core passes through each branching port and then extends into the fixing hole;
the inner protective layer and the outer insulating layer penetrate through the through hole and extend into the sealing cavity;
the male connector is sleeved on the outer wall of the female connector, the locking rod is inserted into the linkage groove, and the male connector is rotated circumferentially so that the male connector and the female connector are screwed tightly;
when the male connector circumferentially rotates, the threads on the inner wall of the male connector are suitable for extruding the slope waist edge of the locking rod so that the locking rod slides in the linkage groove;
the locking rod drives the linkage rod to slide towards the wire core, and the linkage rod is suitable for pushing the first triangular guide block and the second triangular guide block to slide away from each other, so that the first expansion sheet and the second expansion sheet can push the outer insulating layer to expand, and two fractures on the outer wall of the outer insulating layer move towards each other;
when the male connector rotates until the lifting groove corresponds to the linkage groove, the locking rod can slide into the lifting groove; when the male connector continues to rotate, the linkage rod can push the next first triangular guide block and the second triangular guide block to slide away from each other, so that the gap between the fractures of the outer insulating layer can be gradually reduced.
The cable assembly has the beneficial effects that the stability of fixing the cable on the female connector is provided through the arrangement of the male connector; and through the cooperation of locking lever and first extension piece and second extension piece, improved the leakproofness of outer insulating layer to the sinle silk after fixed again of cable outer wall.
Additional features and advantages of the invention 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 invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a preferred embodiment of a cable connector of the present invention;
fig. 2 is a longitudinal cross-sectional view of the cable body of the present invention;
FIG. 3 is a perspective view of the cable connector of the present invention;
FIG. 4 is a first angular perspective view of the male connector of the present invention;
FIG. 5 is a second angular perspective view of the male connector of the present invention;
FIG. 6 is a front view of the male connector of the present invention;
FIG. 7 is a perspective view of a female connector of the present invention;
FIG. 8 is a front view of the female connector of the present invention;
FIG. 9 is a partial schematic view of the linkage rod and first cam guide of the present invention.
In the figure:
1. a cable body; 11. an outer insulating layer; 12. an inner protective layer; 13. a wire core;
2. a male connector; 21. a nut; 22. a fixing ring;
23. a branching piece; 231. an outer positioning ring; 232. an internal thread coil; 233. a branching port; 234. a through port;
24. a locking lever; 25. a linkage rod; 26. a lifting groove;
3. a female joint; 30. a linkage groove; 31. a wire post; 32. a fixing hole; 33. sealing the cavity; 34. a first expansion member; 341. a first expansion sheet; 342. a first triangular guide block;
35. a second expansion member; 351. a second expansion sheet; 352. a second triangular guide block; 36. and a limiting disc.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In a first embodiment, as shown in fig. 1 to 9, the present invention provides a cable connector, including: the cable comprises a cable body 1 and a male connector 2, wherein the male connector 2 is fixed on the outer wall of the cable body 1, and the male connector 2 is suitable for limiting the cable body 1; the cable body 1 includes: the cable comprises an outer insulating layer 11, an inner protective layer 12 and a plurality of cable cores 13, wherein the number of the cable cores 13 is even, and each two cable cores 13 are a group; the inner protective layer 12 is circumferentially arranged around the outer wall of the wire core 13; the outer insulating layer 11 is fixed on the outer wall of the inner protective layer 12. After the cable body 1 passes through the male connector 2, the male connector 2 can separate the wire core 13 from the outer insulating layer 11 and the inner protective layer 12, so that the wire core 13 can be inserted into the female connector 3, and the electrical connection between the wire core 13 and the female connector 3 is realized. The male connector 2 and the female connector 3 are in threaded fit, so that the condition that the male connector 2 reversely rotates from the female connector 3 to loosen is avoided, and the stability of the cable body 1 during detection is improved.
Referring to fig. 7, a female connector 3 adapted to the male connector 2, the female connector 3 is in threaded fit with the male connector 2, and after the wire core 13 is inserted into the fixing hole 32, the male connector 2 is adapted to be screwed on the outer wall of the female connector 3; a wire column 31 is fixed in the female connector 3, a sealing cavity 33 is arranged between the wire column 31 and the inner wall of the female connector 3, and the outer insulating layer 11 and the inner protective layer 12 are suitable for being inserted into the sealing cavity 33; when the outer insulating layer 11 and the inner protective layer 12 of the outer wall of the cable body 1 are stripped, the outer wall of the cable body 1 is symmetrically stripped, the stripped outer insulating layer 11 and the stripped inner protective layer 12 are suitable for being inserted into the sealing cavity 33, and the outer wall of the outer insulating layer 11 is suitable for being abutted with the first expansion piece 34 and the second expansion piece 35; the wire core 13 is adapted to be inserted into the fixing hole 32 in the wire post 31; the male connector 2 is adapted to guide the insertion of the outer insulation layer 11 into the sealed cavity 33; after the male connector 2 is screwed with the female connector 3, the locking rod in the male connector 2 is suitable for preventing the male connector 2 from rotating reversely. And the outer insulating layer 11 and the inner protective layer 12 are synchronously inserted into the sealing cavity 33, so that the sealing performance of the cable body 1 in the male connector 2 and the female connector 3 can be improved.
Referring to fig. 3 and 4, in order to facilitate clamping of the cable, the male connector 2 comprises: the nut 21 is in threaded fit with the female joint 3, and the inner wall of the nut 21 is provided with male threads matched with the outer wall of the female joint 3; the fixed ring 22 is rotatably arranged at one end of the nut 21; the branching piece 23 is fixed on the inner wall of the fixing ring 22 through a spring, and the branching piece 23 is suitable for separating the wire core 13 from the inner protective layer 12 and the outer insulating layer 11. As the nut 21 continues to be rotated and tightened towards the outer wall of the female connector 3, the fixing ring 22 is adapted to move towards the outer positioning ring 231;
in order to facilitate spacing apart the core 13 from the outer insulating layer 11, the branching member 23 comprises: an outer positioning ring 231 and an inner wire coil 232, wherein the outer positioning ring 231 and the inner wire coil 232 are integrally arranged, and the outer positioning ring 231 is suitable for sliding towards the fixed ring 22; the inner wire distributing disc 232 is fixed on the inner wall of the outer positioning ring 231; a plurality of branching ports 233 are formed in the inner wire coil 232, and one branching port 233 corresponds to one wire core 13; after the outer insulating layer 11 and the inner protective layer 12 of the outer wall of the cable body 1 are stripped, the wire core 13 is suitable for penetrating through the branching port 233 and being inserted into the fixing hole 32; two through openings 234 are provided between the inner wall of the outer positioning ring 231 and the outer wall of the inner wire distributing disc 232, the through openings 234 are semicircular, and the inner protective layer 12 and the outer insulating layer 11 are suitable for being inserted into the sealing cavity 33 after passing through the through openings 234 in the process of inserting the wire core 13 into the fixing hole 32. At this time, the wire core 13 is limited and fixed by a fixing hole 32 formed on the wire post 31, and meanwhile, the wire core 13 is electrically connected with the wire post 31; the inner protective layer 12 and the outer insulating layer 11 are inserted into the sealing cavity 33, the outer wall of the outer insulating layer 11 is abutted against the first expansion piece 34 and the second expansion piece 35, the nut 21 extrudes the locking rod 24 to move towards the wire core 13 along with the gradual rotation of the nut 21 and the tightening of the nut on the outer wall of the male connector 2, the locking rod 24 drives the linkage rod 25 to synchronously move towards the wire core 13, the linkage rod 25 pushes the first expansion piece 34 and the second expansion piece 35 to rotate away from each other, the first expansion piece 34 and the second expansion piece 35 rotate away from each other, and the middle part of the outer insulating layer 11 can be pushed to expand towards the fracture, so that the gap between the fracture sections of the outer insulating layer 11 is reduced, and the sealing effect of the outer insulating layer 11 and the wire core 13 is improved.
Referring to fig. 5 and 6, in order to prevent the nut 21 from reversely rotating and loosening, the male connector 2 further includes two locking bars 24, the two locking bars 24 are disposed opposite to each other, and the locking bars 24 are slidably disposed on the side walls of the outer positioning ring 231; a locking lever 24 corresponds to a first expansion element 34 or a second expansion element 35; the locking rod 24 can slide along the radial direction of the outer positioning ring 231, after the locking rod 24 is inserted into the linkage groove 30, the nut 21 is screwed on the outer wall of the female connector 3, the thread on the inner wall of the nut 21 is suitable for pushing the locking rod 24 to enable the locking rod 24 to slide along the radial direction of the outer positioning ring 231 towards the wire core 13 relative to the side wall of the outer positioning ring 231, so that the nut 21 can be gradually screwed on the outer wall of the female connector 3; a sliding groove matched with the locking rod 24 is formed in the side wall of the outer positioning ring 231, and the locking rod 24 can slide in the sliding groove; a return spring is fixed in the sliding groove, and one end of the return spring is fixed on the side wall of the locking rod 24; when the male connector 2 axially rotates until the lifting groove 26 is located outside the locking bar 24, the return spring is suitable for pushing the locking bar 24 to move into the lifting groove 26, and the locking bar 24 synchronously drives the linkage bar 25 to be far away from the first expansion piece 34 or the second expansion piece 35. The female connector 3 is provided with two linkage grooves 30 matched with the locking rods 24, the locking rods 24 are suitable for being inserted into the linkage grooves 30, and the locking rods 24 protrude out of external threads on the outer wall of the female connector 3. The slot width of the linkage slot 30 is greater than the width of the locking lever 24 so that the locking lever 24 can be inserted into the linkage slot 30; the outer wall of the female connector 3 is fixedly provided with a limiting disc 36, the diameter of the limiting disc 36 is larger than that of the male connector 2, and when the side wall of the male connector 2 is abutted against the limiting disc 36, the male connector 2 cannot continue to rotate on the outer wall of the female connector 3 through threads. The linkage groove 30 penetrates through the limiting disc 36, and when the male connector 2 abuts against the side wall of the limiting disc 36, the locking rod 24 protrudes out of the side wall of the limiting disc 36 away from the male connector 2. When the male connector 2 needs to be disassembled, the locking rod 24 is pressed to protrude out of the end part of the limiting disc 36, and the male connector 2 is reversely rotated.
Preferably, the locking lever 24 is in a right trapezoid shape, and the slope waist edge of the locking lever 24 faces to the rotation direction of the male connector 2; after the nut 21 is screwed on the outer wall of the female joint 3, the thread on the inner wall of the nut 21 is suitable for abutting against the slope waist edge of the locking rod 24, and the locking rod 24 can be extruded to shrink inwards the linkage groove 30 in the circumferential rotation process of the thread; when the nut 21 rotates to the position where the linkage groove 30 corresponds to the lifting groove 26, the locking rod 24 is suitable to be pushed by the first expansion piece 34 and the second expansion piece 35 to move towards the lifting groove 26, and at this time, the nut 21 cannot rotate reversely; wherein, after the male connector 2 is sleeved on the outer wall of the female connector 3 in a threaded manner, the locking rod 24 is suitable for preventing the reverse loosening of the male connector 2.
Further, the inner wall of the male connector 2 is provided with two lifting grooves 26 adapted to the locking bars 24, the locking bars 24 are adapted to be inserted into the lifting grooves 26, and when the nut 21 is threaded on the outer wall of the female connector 3, the threads on the inner wall of the nut 21 are adapted to push the sloping waist edges of the locking bars 24 so that the locking bars 24 can move into the linkage grooves 30, and at this time, the locking bars 24 are disengaged from the lifting grooves 26; when the outer wall of the male connector 2 circumferentially rotates to the position that the lifting groove 26 corresponds to the linkage groove 30, the return spring is suitable for pushing the locking rod 24 to move into the lifting groove 26, and the locking rod 24 synchronously drives the linkage rod 25 to be far away from the first expansion piece 34 or the second expansion piece 35. And as the nut 21 continues to rotate, the threads on the inner wall of the nut 21 are adapted to push the linkage rod 25 to continue to move in the direction of the first expansion element 34 or the second expansion element 35. The lower end of the locking rod 24 is provided with a chute, the linkage rod 25 is slidably arranged in the chute, the linkage rod 25 is obliquely arranged, a compression spring is arranged in the chute, and the compression spring is suitable for pushing the linkage rod 25 to slide along the chute; when the linkage rod 25 moves towards the first triangular guide block 342 or the second triangular guide block 352, the linkage rod 25 can push the first triangular guide block 342 or the second triangular guide block 352 to rotate circumferentially relative to the linkage rod 25; meanwhile, the link lever 25 is abutted by the side wall of the first cam guide 342 or the second cam guide 352, and the link lever 25 can slightly move in the direction of the compression spring, so that the link lever 25 is easily separated from the space between the two first cam guide 342. At this time, the compression spring is adapted to push the link lever 25 to slide to the end of the chute, and when the link lever 25 moves to the next first cam guide 342 again, the link lever 25 can push the next first cam guide 342 to move. The above-mentioned actions are repeated, so that the linkage rod 25 can intermittently push the first triangular guide block 342 or the second triangular guide block 352 to gradually rotate circumferentially, so that the inner wall of the first expansion sheet 341 or the second expansion sheet 351 can press the outer insulation layer 11; the lock lever 24 is slidable into the lift groove 26. The lower end of the locking rod 24 is fixed with a linkage rod 25, the linkage rod 25 is arranged along the length direction of the locking rod 24, and one side of the linkage rod 25, which is close to the wire core 13, is in a sharp angle shape. The linkage rod 25 is adapted to the first triangular guide block 342 and the second triangular guide block 352, and when the linkage rod 25 moves toward the wire core 13, the linkage rod 25 is adapted to push the hypotenuse of the first triangular guide block 342 or the hypotenuse of the second triangular guide block 352, so that the first triangular guide block 342 and the second triangular guide block 352 can gradually push the outer insulation layer 11 to move.
Referring to fig. 7 and 8, a first expansion member 34 and a second expansion member 35 are rotatably disposed in the female connector 3, the first expansion member 34 and the second expansion member 35 are rotated in opposite directions, and the first expansion member 34 and the second expansion member 35 are both coupled with the link lever 25; after the male connector 2 is screwed on the outer wall of the female connector 3, the locking rod 24 is adapted to be inserted into the linkage groove 30, the linkage rod 25 is adapted to face the inclined edge of the first triangular guide block 342 or the inclined edge of the second triangular guide block 352, the locking rod 24 is adapted to press the linkage rod 25 to move downwards, the linkage rod 25 is adapted to push the first expansion member 34 or the second expansion member 35 to rotate circumferentially relative to the linkage rod 25, when the nut 21 is screwed on the outer wall of the female connector 3, the thread on the inner wall of the nut 21 is adapted to press the locking rod 24 to move towards the wire core 13, the end of the locking rod 24 drives the end of the linkage rod 25 to abut against the inclined edge of the first triangular guide block 342 or the inclined edge of the second triangular guide block 352, and the linkage rod 25 is adapted to push the first triangular guide block 342 and the second triangular guide block 352 to rotate synchronously in the process of moving downwards from top.
Preferably, the first expansion member 34 includes: the first expansion piece 341 and a plurality of first triangular guide blocks 342, wherein the first expansion piece 341 is rotatably arranged on the inner wall of the female connector 3, and the inner wall of the first expansion piece 341 is abutted with the outer wall of the outer insulating layer 11; the plurality of first triangular guide blocks 342 are fixed on the outer wall of the first expansion piece 341 at equal intervals, and when the linkage rod 25 moves downwards, the first triangular guide blocks 342 are adapted to be pushed to slide rightwards. The second expansion member 35 includes: the second expansion piece 351 and a plurality of second triangular guide blocks 352, the second expansion piece 351 is rotatably arranged on the inner wall of the female connector 3, and the side wall of the second expansion piece 351 is attached to the side wall of the first expansion piece 341; the second cam guide blocks 352 are fixed on the outer wall of the second expansion piece 351 at equal intervals, and when the linkage rod 25 moves downwards, the second cam guide blocks 352 are pushed to slide leftwards.
The specific working principle is as follows:
the cable body 1 is symmetrically cut at two sides of the outer wall of the cable body 1 so as to separate the outer insulating layer 11 and the inner protective layer 12 from the cable core 13, the male connector 2 is sleeved on the outer wall of the cable body 1 so that the cable core 13 can pass through the branching port 233, and the outer insulating layer 11 and the inner protective layer 12 can pass through the passing port 234; inserting the wire core 13 into the fixing hole 32, and inserting the outer insulating layer 11 and the inner protective layer 12 into the sealing cavity 33, wherein the outer wall of the outer insulating layer 11 is abutted with the first expansion piece 34 and the second expansion piece 35; in synchronization, the locking rod 24 is inserted into the corresponding linkage groove 30, the nut 21 is sleeved on the outer wall of the female connector 3, when the nut 21 is screwed on the outer wall of the female connector 3, the thread on the inner wall of the nut 21 is suitable for extruding the slope waist edge of the locking rod 24, the locking rod 24 is suitable for moving into the linkage groove 30, so that the linkage rod 25 can extrude and push the second triangular guide block 352 or the first triangular guide block 342 to move, at the moment, the first expansion piece 341 and the second expansion piece 351 can push the outer insulating layer 11 to slide towards the sections on two sides, so that the gap between the opposite end faces of the outer wall of the outer insulating layer 11 is reduced, and the tightness of the outer insulating layer 11 to the wire core 13 is improved.
An embodiment two, the present embodiment further provides a method for connecting a cable connector on the basis of the embodiment one, which includes a cable connector as described in the embodiment one, and the specific structure is the same as that of the embodiment one, and the specific method for connecting a cable connector is not described here again as follows:
after the cable body 1 passes through the male connector 2, at this time, the wire core 13 passes through each branching port 233 and extends into the fixing hole 32;
the inner protective layer 12 and the outer insulating layer 11 extend into the sealed cavity 33 after passing through the through-hole 234;
the male connector 2 is sleeved on the outer wall of the female connector 3, the locking rod 24 is inserted into the linkage groove 30, and the male connector 2 is rotated circumferentially so that the male connector 2 and the female connector 3 are screwed tightly;
when the male connector 2 rotates circumferentially, the threads on the inner wall of the male connector 2 are suitable for pressing the slope waist edge of the locking rod 24 so as to enable the locking rod 24 to slide into the linkage groove 30;
the locking rod 24 drives the linkage rod 25 to slide towards the wire core 13, and the linkage rod 25 is suitable for pushing the first triangular guide block 342 and the second triangular guide block 352 to slide away from each other, so that the first expansion piece 341 and the second expansion piece 351 can push the outer insulating layer 11 to expand, and two fractures on the outer wall of the outer insulating layer 11 move in opposite directions;
when the male connector 2 rotates until the lifting groove 26 and the linkage groove 30 correspond to each other, the locking rod 24 can slide into the lifting groove 26; when the male connector 2 continues to rotate, the linkage rod 25 can push the next first triangular guide block 342 and the second triangular guide block 352 to slide away from each other, so that the gap between the breaks of the outer insulating layer 11 can be gradually reduced.
The components (components not illustrating specific structures) selected in the application are all common standard components or components known to those skilled in the art, and the structures and principles of the components are all known to those skilled in the art through technical manuals or through routine experimental methods. Moreover, the software programs referred to in the present application are all prior art, and the present application does not relate to any improvement of the software programs.
In the description of embodiments of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. The above-described apparatus embodiments are merely illustrative, for example, the division of the units is merely a logical function division, and there may be other manners of division in actual implementation, and for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some communication interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.

Claims (7)

1. A cable fitting, comprising:
the cable comprises a cable body (1) and a male connector (2), wherein the male connector (2) is fixed on the outer wall of the cable body (1), and the male connector (2) is suitable for limiting the cable body (1);
the cable body (1) comprises: the cable comprises an outer insulating layer (11), an inner protective layer (12) and a plurality of cable cores (13), wherein the number of the cable cores (13) is even, and each two cable cores (13) are in a group;
the inner protective layer (12) is circumferentially arranged around the outer wall of the wire core (13);
the outer insulating layer (11) is fixed on the outer wall of the inner protective layer (12);
the female connector (3) is matched with the male connector (2), a wire column (31) is fixed in the female connector (3), a sealing cavity (33) is arranged between the wire column (31) and the inner wall of the female connector (3), and a wire core (13) is suitable for being inserted into a fixing hole (32) in the wire column (31);
-said male connector (2) being adapted to guide the insertion of an outer insulating layer (11) inside said sealed cavity (33); wherein,
after the male connector (2) and the female connector (3) are fixed by threads, a locking rod in the male connector (2) is suitable for preventing the male connector (2) from rotating reversely;
the male connector (2) comprises: the nut (21) is in threaded fit with the female joint (3), and the fixing ring (22) is rotatably arranged at one end of the nut (21);
the wire separating piece (23) is fixed on the inner wall of the fixed ring (22) through a spring, and the wire separating piece (23) is suitable for separating the wire core (13) from the inner protective layer (12) and the outer insulating layer (11);
the branching piece (23) comprises: an outer positioning ring (231) and an inner wire distributing disc (232), wherein the inner wire distributing disc (232) is fixed on the inner wall of the outer positioning ring (231);
a plurality of branching ports (233) are formed in the inner wire coil (232), and one branching port (233) corresponds to one wire core (13);
two through holes (234) are formed between the inner wall of the outer positioning ring (231) and the outer wall of the inner wire distributing disc (232), the through holes (234) are semicircular, and the inner protective layer (12) and the outer insulating layer (11) are suitable for being inserted into the sealing cavity (33) after passing through the through holes (234);
the male connector (2) further comprises two locking rods (24), the two locking rods (24) are oppositely arranged, and the locking rods (24) are slidably arranged on the side wall of the outer positioning ring (231);
two linkage grooves (30) matched with the locking rods (24) are formed in the female connector (3), the locking rods (24) are suitable for being inserted into the linkage grooves (30), and the locking rods (24) protrude out of external threads of the outer wall of the female connector (3);
the locking rod (24) is in a right trapezoid shape, and the slope waist edge of the locking rod (24) faces the rotating direction of the male connector (2); wherein,
after the male connector (2) is sleeved on the outer wall of the female connector (3), the locking rod (24) is suitable for preventing the male connector (2) from reversely loosening.
2. A cable joint according to claim 1, wherein,
the inner wall of the male connector (2) is provided with two lifting grooves (26) matched with the locking rods (24), and when the outer wall of the female connector (3) circumferentially rotates to the point that the lifting grooves (26) and the linkage grooves (30) are mutually corresponding, the locking rods (24) can slide into the lifting grooves (26).
3. A cable joint according to claim 2, wherein,
the lower end of the locking rod (24) is slidably provided with a linkage rod (25), the linkage rod (25) is arranged along the length direction of the locking rod (24), and one side of the linkage rod (25) close to the wire core (13) is in a sharp corner shape; the link lever (25) is adapted to slide in the width direction of the lock lever (24).
4. A cable joint according to claim 3, wherein,
a first expansion piece (34) and a second expansion piece (35) are rotatably arranged in the female joint (3), the rotation directions of the first expansion piece (34) and the second expansion piece (35) are opposite, the first expansion piece (34) and the second expansion piece (35) are oppositely arranged, and the first expansion piece (34) and the second expansion piece (35) are respectively linked with one linkage rod (25); wherein,
after the male connector (2) is sleeved on the outer wall of the female connector (3), the locking rod (24) is suitable for extruding the linkage rod (25) to move downwards, and the linkage rod (25) is suitable for pushing the first expansion piece (34) or the second expansion piece (35) to rotate circumferentially relative to the linkage rod (25).
5. A cable joint according to claim 4, wherein,
the first expansion member (34) includes: the first expansion piece (341) and a plurality of first triangular guide blocks (342), wherein the first expansion piece (341) is rotatably arranged on the inner wall of the female connector (3), and the inner wall of the first expansion piece (341) is abutted with the outer wall of the outer insulating layer (11);
the first triangular guide blocks (342) are fixed on the outer wall of the first expansion piece (341) at equal intervals, and when the linkage rod (25) moves downwards, the linkage rod is suitable for pushing the first triangular guide blocks (342) to slide rightwards.
6. A cable joint according to claim 5, wherein,
the second expansion element (35) comprises: the second expansion sheet (351) and a plurality of second triangular guide blocks (352), the second expansion sheet (351) is rotatably arranged on the inner wall of the female joint (3), and the side wall of the second expansion sheet (351) is attached to the side wall of the first expansion sheet (341);
the second triangular guide blocks (352) are fixed on the outer wall of the second expansion piece (351) at equal intervals, and when the linkage rod (25) moves downwards, the linkage rod is suitable for pushing the second triangular guide blocks (352) to slide leftwards.
7. A method for connecting a cable joint, characterized in that a cable joint according to claim 6 is used,
after the cable body (1) passes through the male connector (2), the cable core (13) passes through each branching port (233) and then extends into the fixing hole (32);
an inner protective layer (12) and an outer insulating layer (11) extend into the sealing cavity (33) after passing through the through hole (234);
the male connector (2) is sleeved on the outer wall of the female connector (3), the locking rod (24) is inserted into the linkage groove (30), and the male connector (2) is rotated circumferentially so that the male connector (2) and the female connector (3) are screwed tightly;
when the male connector (2) circumferentially rotates, threads on the inner wall of the male connector (2) are suitable for extruding the slope waist edge of the locking rod (24) so as to enable the locking rod (24) to slide into the linkage groove (30);
the locking rod (24) drives the linkage rod (25) to slide towards the wire core (13), and the linkage rod (25) is suitable for pushing the first triangular guide block (342) and the second triangular guide block (352) to slide away from each other, so that the first expansion sheet (341) and the second expansion sheet (351) can push the outer insulating layer (11) to expand, and two fractures on the outer wall of the outer insulating layer (11) can move towards each other;
when the male connector (2) rotates until the lifting groove (26) and the linkage groove (30) are mutually corresponding, the locking rod (24) can slide into the lifting groove (26); when the male connector (2) continues to rotate, the linkage rod (25) can push the next first triangular guide block (342) and the second triangular guide block (352) to slide away from each other, so that the gap between the fractures of the outer insulating layer (11) can be gradually reduced.
CN202311154007.4A 2023-09-08 2023-09-08 Cable connector and wiring method thereof Active CN116885511B (en)

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CN117239443B (en) * 2023-11-16 2024-01-23 江苏安澜万锦电子股份有限公司 Cable connector and use method thereof

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