CN115579685B - Screw-in type wire connector - Google Patents
Screw-in type wire connector Download PDFInfo
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- CN115579685B CN115579685B CN202211567466.0A CN202211567466A CN115579685B CN 115579685 B CN115579685 B CN 115579685B CN 202211567466 A CN202211567466 A CN 202211567466A CN 115579685 B CN115579685 B CN 115579685B
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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
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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
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
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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
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
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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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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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
- H01R13/72—Means for accommodating flexible lead within the holder
Abstract
The invention discloses a screw-in type wire connector, belonging to the technical field of outdoor wiring equipment; at present, the wire core at the lap joint is easy to slip and loosen; according to the invention, through a modularized design, the screw-in type wire connector is convenient for inserting a wire to be connected, the inner side ends of wire cores are horizontally arranged through the inner side end surface of the wire coiling seat and horizontally arranged with the side wall spiral disk to prevent the wire from sliding along axial tension, then the inner side ends of the wire coiling seats at two sides are respectively inserted with the male plug-in piece and the female plug-in piece, the sliding extrusion parts at two sides are controlled to slide inwards through the two-way contraction parts, the sliding extrusion parts push the wire coiling seat to slide towards the inner middle part of the two-way contraction parts, the male plug-in piece and the female plug-in piece are inserted and connected in a butt joint mode and rotate continuously, the sliding extrusion parts extrude the rubber cylinder to deform and seal an insertion gap between the wire and the wire coiling seat, the sealed waterproof effect is achieved, meanwhile, the sliding extrusion parts radially extrude the wire cores of the spiral disk to prevent the wire cores from sliding along horizontal contraction, the wire coiling disk, the stable connection and good waterproof performance of the connection are achieved, and the assembly is convenient.
Description
Technical Field
The invention relates to the technical field of outdoor wiring equipment, in particular to a screw-in type wire connector.
Background
When wiring, power transmission and wiring are arranged or maintained for outdoor machines, the wires are often required to be connected and are influenced by outdoor factors where the wires are located, and the influence factors of water resistance and axial tension of the wires need to be considered at the wire connection part, so that once rainwater is immersed, accidental discharge is easy to occur, and great potential safety hazards are generated on surrounding personnel and equipment; on the other hand, once the connection part is loosened, normal operation of power supply is affected, meanwhile, potential safety hazards exist, and power maintenance personnel are required to carry out rush repair, and meanwhile, complaints can also be suffered.
The existing outdoor wire lapping mode is mainly a winding lapping mode, then an insulating adhesive tape and a waterproof adhesive tape are wound at a wire core lapping position, the insulating adhesive tape and the waterproof adhesive tape are subjected to weather influence after being used for a long time, so that the phenomena of degumming, looseness and the like are caused, the insulating sealing performance is poor, meanwhile, the wire is easy to shake irregularly due to external force factors outdoors, and the condition that a slip joint is loosened easily occurs to the wire core at the lapping position after the time is kept for a long time.
In view of the above problems, the present invention provides a screw-in type wire connector.
Disclosure of Invention
The invention aims to provide a screw-in type wire connector aiming at the problems in the technical background, and solves the problems that the existing outdoor winding overlap joint wire in the background technology has poor waterproof effect after long-time use, the overlap joint is easy to slip and loosen, the power supply stability is influenced, and the potential safety hazard is large.
In order to realize the purposes and improve the water resistance and the stability of outdoor wiring, the invention adopts the technical scheme that:
a screw-in type wire connector comprises a bidirectional contraction part, wherein sliding extrusion parts are symmetrically arranged at two ends of the bidirectional contraction part, the sliding extrusion parts at two sides are synchronously controlled to move oppositely in the forward rotation process of the bidirectional contraction part, and the bidirectional contraction part rotates reversely and is automatically locked; wire coiling seats are symmetrically inserted into the opposite inner side ends of the sliding extrusion parts at two sides, electric wires penetrate through the sliding extrusion parts and the wire coiling seats, one section of each wire core penetrates through the inner side end of each wire coiling seat and is coiled and laid at the end part, and the other section of each wire core extends to the side wall of each wire coiling seat through the end part to be coiled and laid; a rubber cylinder is arranged on the inner side of the wire coiling seat, and the sliding extrusion part axially extrudes the rubber cylinder and radially extrudes the wire core lying on the spiral disk in the process of moving towards the inner side; the inner side ends of the wire coiling seats on the two sides are correspondingly inserted with a female plug-in unit and a male plug-in unit, the opposite inner side ends of the female plug-in unit and the male plug-in unit are connected in an extrusion mode, and the opposite outer side ends of the female plug-in unit and the male plug-in unit respectively clamp the wire cores on the two sides.
In the technical scheme, the screwed-in wire connector is designed in a modularized manner, so that the insertion of a wire to be connected is facilitated, the exposed wire core of the wire penetrates through the sliding extrusion part, the wire coiling seat and the wire coiling seat, the inner side end of the wire core is horizontally laid through the inner side end face of the wire coiling seat and the side wall spiral disk, the axial tension sliding of the wire is prevented, then the male plug-in part and the female plug-in part are respectively inserted into the inner side ends of the wire coiling seats at two sides, the sliding extrusion parts at two sides are synchronously slid and contracted towards the inner side through the rotation of the bidirectional contraction part, the sliding extrusion parts at two sides push the wire coiling seat to slide towards the inner middle part of the bidirectional contraction part in the process, the male plug-in part and the female plug-in part are butted and plugged, the bidirectional contraction part is continuously rotated to drive the sliding extrusion part to extrude the rubber cylinder to deform and seal a gap between the wire and the wire coiling seat, the sealing and waterproof effects are achieved, the axial sliding of the wire is prevented, and the horizontal wire core of the spiral disk is radially extruded by the sliding extrusion part, the stable connection and the good waterproof performance are achieved;
meanwhile, the bidirectional contraction part can automatically self-lock after being rotated forwards to take in the sliding extrusion parts on two sides, the sliding extrusion part is prevented from sliding outside due to the reverse rotation of the bidirectional contraction part, and the safety and the stability of installation are improved.
Furthermore, the bidirectional contraction part comprises a bidirectional internal thread cylinder, an annular clamping groove is formed in the middle of the inside of the bidirectional internal thread cylinder, an elastic sealing element is installed on the annular clamping groove and used for isolating two sides, the sliding extrusion part is communicated with the bidirectional internal thread cylinder to form a gap between the female plug-in unit and the male plug-in unit, and the side walls of two ends of the bidirectional internal thread cylinder are symmetrically connected with elastic spiral reverse stopping pieces with spiral directions.
In the technical scheme, the elastic sealing element is arranged, so that the inner side ends of the sliding extrusion parts at two sides extrude the elastic sealing element in the installation process, the gap between the bidirectional internal thread cylinder and the female plug-in unit and the gap between the bidirectional internal thread cylinder and the male plug-in unit are blocked, the rainwater is prevented from being immersed, and the waterproof performance is improved.
Furthermore, the slip extrusion portion includes the chassis, the chassis middle part is equipped with the through hole, the recipient is connected at the inboard center on chassis, a plurality of cyclic annular cutting that distribute are connected to the inboard on chassis, the inboard concentric connection external screw thread section of thick bamboo on chassis, the cutting is located the inboard of an external screw thread section of thick bamboo, the external screw thread section of thick bamboo outside be equipped with a plurality of contrary grooves that stop that are cyclic annular distribution on the terminal surface of chassis inboard, contrary groove orientation a two-way internal screw thread section of thick bamboo forward direction of rotation's a side is domatic, the outside end of the contrary piece that stops of elastic screw inserts in the contrary groove that stops.
In the technical scheme, the to-be-connected end of the electric wire is inserted into the wire coiling seat through the through hole and the extrusion cylinder, the elastic spiral check parts on two sides are driven to rotate in the rotating process of the bidirectional internal thread cylinder, the outer side ends of the elastic spiral check parts continuously slide in and out of the check grooves distributed annularly, when the rotation is stopped, the elastic spiral check parts are inserted into the check grooves corresponding to locking to prevent the bidirectional internal thread cylinder from rotating relative to the chassis and the external thread cylinder, so that the self-locking function is realized, when the unlocking is needed, the unlocking can be realized only by pulling the outer side ends of the elastic spiral check parts to be separated from the check grooves, and the operation is convenient.
Furthermore, two sides an external thread section of thick bamboo respectively with the installation of two-way internal thread section of thick bamboo both sides internal thread screw thread, both sides simultaneously the inboard of external thread section of thick bamboo end in opposite directions is equipped with the groove of fill shape, elastic sealing element includes that both ends are equipped with the sealing washer of fill shape throat, and after the connector installation, the both ends throat of sealing washer inserts both sides respectively the groove of external thread section of thick bamboo medial extremity, the sealing washer middle part outside is passed through the holding ring and is installed on the ring groove.
In the technical scheme, the external thread cylinders on the two sides move in opposite directions, the inner side ends of the external thread cylinders are respectively extruded and clamped into the conical ends on the two sides of the sealing ring, and the external thread cylinders are simultaneously extruded to realize the effect of isolation and sealing.
Further, the dish line seat is the column, the dish line seat is equipped with the constant head tank and the through wires hole of intercommunication to the outside by the inboard, just the constant head tank diameter is greater than the through wires hole, be equipped with the first wire casing of G type on the terminal surface of dish line seat medial extremity, first wire casing medial extremity with constant head tank lateral wall intercommunication, be equipped with spiral groove on the dish line seat lateral wall, the outside end of first wire casing with spiral groove's medial extremity intercommunication, simultaneously be equipped with a plurality of slots that are the annular distribution in the dish line seat, the slot runs through the outside end of dish line seat, simultaneously the slot with spiral groove junction intercommunication, first wire casing with spiral groove is used for the dish sinle silk of crouching.
Furthermore, the cutting is inserted in the slot, the cutting penetrates through the radial outer side of the wire core, which is laid on the disc, of the intersection of the spiral line groove, the extrusion cylinder is inserted into the threading hole, and meanwhile, the rubber cylinder is installed in the threading hole.
Furthermore, when the electric wire is inserted, the depth of the end of the electric wire insulation layer inserted into the inner side of the rubber tube is larger than 1/2 of the length of the rubber tube, and the inner diameters of the rubber tube and the extrusion tube are larger than the diameter of the electric wire.
Furthermore, the cylinder-shaped shrink piece is inserted into the positioning groove, the shrink piece faces the inner side face of the rubber cylinder and is provided with a shrunk conical surface, a wire opening is formed in the side wall of the inner side end of the shrink piece, the wire opening corresponds to the inner side end of the first wire groove, the diameter of the conical opening of the outer side end of the shrink piece is smaller than the inner diameter of the rubber cylinder, and the diameter of the conical opening of the outer side end of the shrink piece is larger than the diameter of the wire core.
Further, female first plug-in components include female head, first arc spare is connected with one heart to the outside end of female head, a plurality of first inserted blocks are connected to first arc spare outside end, the opening of first arc spare with the medial extremity axial of first wire casing flushes the installation, and when the extrusion installation, the conical surface that one side shrink piece included extrudes a plurality of first inserted block outside end shrink centre gripping one side and treats the sinle silk of working a telephone switchboard, public first plug-in components include public head, second arc spare is connected to the outside end of public head, a plurality of second inserted blocks are connected to second arc spare outside end, and when the extrusion installation, the sinle silk that a plurality of second inserted block outside end shrink centre gripping opposite sides of conical surface extrusion that opposite side shrink piece included treat the wiring.
Further, female head with public head is the cartridge relation, first inserted block with second inserted block outside end is equipped with domatic along the radial outside of sinle silk, first inserted block with second inserted block outside end is equipped with indent extrusion face along the radial inboard of sinle silk.
Compared with the prior art, the invention has the following advantages:
in the invention, the sliding extrusion parts are symmetrically arranged at two ends of the bidirectional contraction part, the sliding extrusion parts at two sides are synchronously controlled to move oppositely in the forward rotation process of the bidirectional contraction part, and the bidirectional contraction part rotates reversely and automatically locks; the opposite inner side ends of the sliding extrusion parts at the two sides are symmetrically inserted with wire coiling seats, the electric wire penetrates through the sliding extrusion parts and the wire coiling seats, one section of the wire core penetrates through the inner side end of the wire coiling seat and is coiled and laid at the end part, and the other section of the wire core extends to the side wall of the wire coiling seat through the end part and is coiled and laid by a spiral disk; a rubber cylinder is arranged on the inner side of the wire coiling seat, and the sliding extrusion part axially extrudes the rubber cylinder and radially extrudes the wire core lying on the spiral disk in the process of moving inwards; the inner side ends of the coiling seats at the two sides are correspondingly inserted with a female plug-in unit and a male plug-in unit, the opposite inner side ends of the female plug-in unit and the male plug-in unit are connected in an extrusion manner, and the opposite outer side ends of the female plug-in unit and the male plug-in unit respectively clamp the wire cores at the two sides;
the plug-in connector is designed in a modularized mode, insertion of a wire to be connected is facilitated, the exposed wire core of the wire penetrates through and is inserted into the sliding extrusion part, the wire coiling seat and the wire coiling seat, the inner side end of the wire core is coiled and laid horizontally and is coiled and laid horizontally with the side wall spiral disk through the inner side end face of the wire coiling seat, axial tension sliding of the wire is prevented, then the male plug-in part and the female plug-in part are respectively inserted into the inner side ends of the wire coiling seats on the two sides, the sliding extrusion parts on the two sides slide and shrink inwards synchronously through rotation of the bidirectional shrinkage part, the sliding extrusion parts on the two sides push the wire coiling seat to slide towards the inner middle part of the bidirectional shrinkage part in the process, therefore, the male plug-in part and the female plug-in part are in butt-plug-in connection, the opposite outer side ends of the male plug-in part and the female plug-in part respectively clamp the wire cores on the two sides in the insertion process, a conductor passage is achieved, and the wire cores are clamped and the function of stabilizing the wire cores is achieved;
the bidirectional contraction part is continuously rotated to drive the sliding extrusion part to extrude the rubber cylinder to deform and seal an insertion gap between the electric wire and the wire coiling seat, so that the sealing and waterproof effects are achieved, the electric wire is prevented from axially sliding, meanwhile, the sliding extrusion part can radially extrude the wire core lying on the spiral disk, the wire core spiral disk is prevented from horizontally contracting and sliding, and therefore, the stable connection and the good waterproof performance of the wiring are realized;
and the bidirectional contraction part can automatically self-lock after being positively rotated to accommodate the sliding extrusion parts at two sides, so that the sliding extrusion part outer side caused by the reverse rotation of the bidirectional contraction part is prevented from sliding, and the safety and the stability of installation are improved.
Drawings
FIG. 1 is a diagram illustrating a connection state of a screw-in type wire connector according to an embodiment of the present invention;
FIG. 2 is a perspective view of a screw-in wire connector in a connection state with a bi-directional constriction, according to an embodiment of the present invention;
FIG. 3 is a perspective view of a screw-in wire connector according to an embodiment of the present invention in a separated state;
FIG. 4 is a perspective view of a bi-directional constriction in half section and an elastomeric seal according to an embodiment of the present invention;
fig. 5 is a first perspective view of the sliding pressing portion and the wire coiling seat according to the embodiment of the present invention;
fig. 6 is a second perspective view of the sliding pressing portion and the wire coiling seat according to the embodiment of the present invention;
FIG. 7 is a perspective view of the sliding squeeze part with the external thread of the barrel removed according to the embodiment of the present invention;
fig. 8 is a perspective view of the wire coiling block and the female plug provided in the embodiment of the present invention;
FIG. 9 is a perspective view of a female plug and a male plug provided in accordance with an embodiment of the present invention;
FIG. 10 is a perspective view of the retractor in isolation from the wire coiling block in accordance with an embodiment of the present invention;
FIG. 11 is a perspective view, in half section, of a retractor according to an embodiment of the present invention;
fig. 12 is a first perspective view of a wire coiling seat in a half-section and an electric wire installation according to an embodiment of the present invention;
fig. 13 is a second perspective view of a wire coiling seat in a half-section and an electric wire installation provided by the embodiment of the invention;
FIG. 14 is a perspective view, in half section, of a coil seat provided in accordance with an embodiment of the present invention;
fig. 15 is a perspective view of a wire coiling block according to an embodiment of the present invention.
In the figure: 100. a bi-directional constriction; 110. a bidirectional internal threaded barrel; 120. an annular clamping groove; 130. an elastic spiral check member;
200. an elastomeric seal; 210. a seal ring; 220. a positioning ring;
300. a sliding extrusion part; 310. a chassis; 311. a non-return groove; 312. a through hole; 320. an externally threaded barrel; 330. an extrusion cylinder; 340. cutting;
400. a wire coiling seat; 410. threading holes; 420. positioning a groove; 430. a first wire slot; 440. a spiral wire groove; 450. a slot;
500. a rubber cylinder; 600. a constriction; 610. a conical surface; 620. a wire port; 700. a female plug-in; 710. a female head; 720. a first arcuate member; 730. a first insert block; 800. a male plug-in; 810. a male head; 820. a second arcuate member; 830. and a second insert block.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1 to fig. 15, a screw-in type wire connector includes a bidirectional contraction portion 100, the bidirectional contraction portion 100 includes a bidirectional internal thread cylinder 110, the bidirectional internal thread cylinder 110 may be made of PVC or stainless steel according to the requirements of the use scenario, an annular slot 120 is disposed in the middle of the bidirectional internal thread cylinder 110, an elastic sealing element 200 is mounted on the annular slot 120, the elastic sealing element 200 is made of an insulating rubber material, the elastic sealing element 200 is used to isolate a gap between the two side sliding extrusion portions 300 and the bidirectional internal thread cylinder 110 from the female plug-in unit 700 and the male plug-in unit 800, meanwhile, the elastic sealing element 200 is also used for protection and insulation, the side walls at the two ends of the bidirectional internal thread cylinder 110 are symmetrically connected to elastic spiral reverse stopping elements 130 with opposite directions, the two ends of the bidirectional contraction portion 100 are symmetrically mounted with the sliding extrusion portions 300, the sliding extrusion portions 300 at the two sides are synchronously controlled to move in the forward rotation process of the bidirectional contraction portion 100, and the bidirectional contraction portion 100 is automatically locked in the reverse rotation process;
the bidirectional contraction part can automatically self-lock after being positively rotated to accommodate the sliding extrusion parts at two sides, so that the sliding extrusion part outer side caused by the reverse rotation of the bidirectional contraction part is prevented from sliding, and the safety and the stability of installation are improved;
the opposite inner side ends of the sliding extrusion parts 300 on the two sides are symmetrically inserted with the wire coiling seats 400, the electric wire penetrates through the sliding extrusion parts 300 and the wire coiling seats 400, one section of the wire core penetrates through the inner side end of the wire coiling seats 400 and is coiled and laid at the end part, the other section of the wire core extends to the side wall of the wire coiling seats 400 through the end part to be coiled and laid, the axial tension sliding of the electric wire is prevented through the design mode, the friction stress area is increased, the tension space direction of the wire core is changed, the installation is more stable, and the sliding condition caused by the axial tension is avoided;
the rubber tube 500 is arranged on the inner side of the wire coiling seat 400, the sliding extrusion part 300 axially extrudes the rubber tube 500 and radially extrudes the wire cores lying in the spiral disk in the process of moving inwards, the sliding extrusion part 300 extrudes the rubber tube 500 to deform and close the insertion gap between the electric wire and the wire coiling seat 400, the sealing and waterproof effects are achieved, meanwhile, the electric wire is prevented from axially sliding, and the friction resistance is increased;
the inner side ends of the coiling seats 400 on the two sides are correspondingly inserted with the female plug-in units 700 and the male plug-in units 800, the female plug-in units 700 and the male plug-in units 800 are designed in an insertion mode, modular production and convenient assembly are achieved, the opposite inner side ends of the female plug-in units 700 and the male plug-in units 800 are connected in an extrusion mode, and the opposite outer side ends of the female plug-in units 700 and the male plug-in units 800 respectively clamp the wire cores on the two sides.
The design idea is as follows: a screwing-in type wire connector with a modular design mainly comprises a bidirectional contraction part 100, an elastic sealing element 200, two side sliding extrusion parts 300, two side wire coiling seats 400, a rubber tube 500, a contraction part 600, a female plug-in part 700 and a male plug-in part 800, so that the insertion of a wire to be connected is facilitated, the exposed wire core of the wire is inserted into the sliding extrusion parts 300, the wire coiling seats 400, the rubber tube 500 and the contraction part 600 in a penetrating manner, the inner side ends of the wire core are coiled and laid on the inner side end surface of the wire coiling seat 400 and the side wall spiral disk to prevent the axial tension of the wire from sliding, and then the male plug-in part 800 and the female plug-in part 700 are respectively inserted into the inner side ends of the wire coiling seats 400 at two sides, the sliding extrusion parts 300 on the two sides are synchronously slid and contracted towards the inner side through the rotation of the bidirectional contraction part 100, the sliding extrusion parts 300 on the two sides push the disc line seat 400 to slide towards the middle part in the bidirectional contraction part 100 in the process, so that the butt insertion and the engagement of the male plug-in piece 800 and the female plug-in piece 700 are realized, the bidirectional contraction part 100 is continuously rotated to drive the sliding extrusion parts 300 to extrude the rubber tube 500 to deform and seal the insertion gap between the electric wire and the disc line seat 400, the sealing and waterproof effects are achieved, the axial sliding of the electric wire is prevented, meanwhile, the sliding extrusion parts 300 can radially extrude the core lying on the spiral disc to prevent the spiral disc lying and contracting sliding of the core, and therefore, the stable connection and good waterproof performance of the wiring are realized; meanwhile, the bidirectional contraction part 100 can automatically self-lock after being positively rotated to accommodate the sliding extrusion parts 300 on two sides, so that the sliding extrusion parts 300 are prevented from sliding outside due to the reverse rotation of the bidirectional contraction part 100, and the safety and the stability of installation are improved.
As shown in fig. 5 to 7, the sliding extrusion part 300 includes a base plate 310, a through hole 312 is disposed in the middle of the base plate 310, an extrusion cylinder 330 is connected to the inner center of the base plate 310, the inner diameter of the extrusion cylinder 330 is the same as the diameter of the through hole 312, a plurality of annularly distributed cutting slips 340 are connected to the inner side of the base plate 310, an arc plug is disposed at the end of the cutting slip 340 for inserting an extrusion core, an external thread cylinder 320 is concentrically connected to the inner side of the base plate 310, the cutting slips 340 are disposed inside the external thread cylinder 320, a plurality of annularly distributed check grooves 311 are disposed on the inner side surface of the base plate 310 outside the external thread cylinder 320, a side surface of the check grooves 311 facing the forward rotation direction of the bidirectional internal thread cylinder 110 is a slope, the outer side end of the elastic screw check member 130 is inserted into the check grooves 311, the external thread cylinders 320 on both sides are respectively installed with the bidirectional internal thread cylinders 110, the external thread cylinders 320 on both sides are synchronously controlled to be screwed in or unscrewed by rotating the bidirectional internal thread cylinders 110, and simultaneously, the base plate 310 on both sides can be respectively screwed in the external thread cylinders 320 on both sides by rotating the single side, and the base plate 310 can be selected according to installation convenience.
As shown in fig. 3-5, at the same time, the inner sides of the opposite ends of the external thread cylinders 320 on both sides are provided with hopper-shaped grooves, the elastic sealing element 200 includes the sealing ring 210 with hopper-shaped throats at both ends, after the connector is installed, the throats at both ends of the sealing ring 210 are respectively inserted into the grooves at the inner sides of the external thread cylinders 320 on both sides, the outer side of the middle part of the sealing ring 210 is installed on the annular clamping groove 120 through the positioning ring 220, and the inner sides of the opposite ends of the external thread cylinders 320 on both sides are clamped into the two ends of the sealing ring 210 through installation and extrusion, so that the gap isolation is realized, the purpose of preventing rainwater from immersing is achieved, and the waterproof performance of the inner side connection is increased.
As shown in fig. 5-7 and 12-15, the wire coiling seat 400 is cylindrical, the wire coiling seat 400 is provided with a positioning groove 420 and a threading hole 410 which are communicated from inside to outside, the positioning groove 420 is cylindrical, the diameter of the positioning groove 420 is larger than that of the threading hole 410, a G-shaped first wire groove 430 is arranged on the end face of the inside of the wire coiling seat 400, the inside end of the first wire groove 430 is communicated with the side wall of the positioning groove 420, a chamfer is arranged on the communicated wire coiling seat 400 to avoid scratching the wire core, a spiral wire groove 440 is arranged on the outside wall of the wire coiling seat 400, the outside end of the first wire groove 430 is communicated with the inside end of the spiral wire groove 440, a chamfer is arranged on the communicated wire coiling seat 400, a plurality of annularly distributed slots 450 are arranged in the wire coiling seat 400, the number of the slots 450 is generally 2-4 according to the use requirement, the slots 450 penetrate through the outside end of the wire coiling seat 400, the slots 450 are communicated with the intersection of the spiral wire coiling groove 440, and the first wire groove 430 and the spiral wire groove 440 are used for coiling the horizontal wire core;
in the process of inserting, the inserting strip 340 on the chassis 310 is inserted into the slot 450, the inserting strip 340 extrudes the radial outer side of the wire core lying on the disc at the intersection of the inserting strip and the spiral groove 440, the outer side of the wire core at the intersection is extruded and abutted on the inner side surface of the external thread cylinder 320, the firmness of the lying of the disc is further increased, the extruding cylinder 330 is inserted into the threading hole 410, meanwhile, the rubber cylinder 500 is installed in the threading hole 410, when the electric wire is inserted, the depth of the wire insulation layer end inserted into the inner side of the rubber cylinder 500 is larger than 1/2 of the length of the rubber cylinder 500, the rubber cylinder 500 is prevented from being separated from the insulation layer end in the process of axial shrinkage, the wire core is exposed, the inner diameters of the rubber cylinder 500 and the extruding cylinder 330 are larger than the diameters of the electric wires, the electric wire is suitable for various diameters, and meanwhile, a radial space is provided for deformation of the rubber cylinder 500.
As shown in fig. 9-11, a tubular shrinkage member 600 is inserted into the positioning groove 420, the shrinkage member 600 should be made of an insulating material, a PVC or acrylic material may be selected according to a use requirement, the shrinkage member 600 has a shrinkage tapered surface 610 facing the inner side of the rubber tube 500, a wire opening 620 is formed in a side wall of an inner side end of the shrinkage member 600, the wire opening 620 corresponds to an inner side end of the first wire groove 430, the wire core is coiled in the first wire groove 430 through the wire opening 620, a diameter of a tapered opening at an outer side end of the shrinkage member 600 is smaller than an inner diameter of the rubber tube 500, the rubber tube 500 is prevented from being separated from the wire coiling seat 400 in an extrusion process, the wire core can be deformed by interference blocking, the diameter of the tapered opening at the outer side end of the shrinkage member 600 is simultaneously larger than the diameter of the wire core, and the wire core can be inserted in various different diameters.
As shown in fig. 9-11, the female plug-in 700 includes a female head 710, an outer end of the female head 710 is concentrically connected with a first arc-shaped member 720, an opening size of the first arc-shaped member 720 should be greater than or equal to a diameter of an inner end of a first wire groove 430, so as to avoid a wire cutting situation, the outer end of the first arc-shaped member 720 is connected with a plurality of first plug-in blocks 730, the opening of the first arc-shaped member 720 is axially flush mounted with the inner end of the first wire groove 430, during press mounting, a tapered surface 610 included in one side contracting member 600 presses the outer ends of the plurality of first plug-in blocks 730 to contract and clamp wires to be wired on one side, the male plug-in 800 includes a male head 810, the outer end of the male head 810 is connected with a second arc-shaped member 820, the opening size of the second arc-shaped member 820 should be greater than or equal to the diameter of the inner end of the first wire groove 430, so as to avoid the wire cutting situation, the outer end of the second arc-shaped member 820 is connected with a plurality of second plug-in another side end 830, during press mounting, the tapered surface 610 included in the contracting member 600 presses and clamps the wires to clamp wires 830 on another side to clamp wires 830; female head 710 and public head 810 are the cartridge relation, for the current electric component that connects, first inserted block 730 and second inserted block 830 outside end are equipped with domaticly along the radial outside of sinle silk, smoothness when increasing the insertion, first inserted block 730 and second inserted block 830 outside end are equipped with the indent extrusion face along the radial inboard of sinle silk, increase the stability of extrusion centre gripping contact, can also avoid the sinle silk to slide to the outside simultaneously, female first plug-in components 700 all adopts the conductor material with public first plug-in components 800, especially first inserted block 730 and second inserted block 830 will satisfy the characteristics that possess certain toughness simultaneously, specifically can adopt copper alloy or aluminum alloy.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A screw-in type wire connector comprises a bidirectional contraction part (100), and is characterized in that sliding extrusion parts (300) are symmetrically arranged at two ends of the bidirectional contraction part (100), the sliding extrusion parts (300) at two sides are synchronously controlled to move oppositely in the forward rotation process of the bidirectional contraction part (100), and meanwhile, the bidirectional contraction part (100) rotates reversely and is automatically locked;
wire coiling seats (400) are symmetrically inserted into the opposite inner side ends of the sliding extrusion parts (300) on the two sides, electric wires penetrate through the sliding extrusion parts (300) and the wire coiling seats (400), one sections of the wire cores penetrate through the inner side ends of the wire coiling seats (400) and are coiled and laid at the end parts, and the other sections of the wire cores extend to the side walls of the wire coiling seats (400) through the end parts to be coiled and laid spirally;
a rubber cylinder (500) is arranged on the inner side of the wire coiling seat (400), and the sliding extrusion part (300) axially extrudes the rubber cylinder (500) and radially extrudes the wire core lying on the spiral disk in the process of moving towards the inner side;
the wire coiling seat (400) is correspondingly inserted with a female plug-in unit (700) and a male plug-in unit (800) at the inner side ends of the wire coiling seats (400) at the two sides, the opposite inner side ends of the female plug-in unit (700) and the male plug-in unit (800) are connected in an extrusion mode, and the opposite outer side ends of the female plug-in unit (700) and the male plug-in unit (800) respectively clamp the wire cores at the two sides.
2. A screw-in type wire connector according to claim 1, wherein the bidirectional shrinkage part (100) comprises a bidirectional internal thread cylinder (110), an annular clamping groove (120) is formed in the middle inside the bidirectional internal thread cylinder (110), an elastic sealing element (200) is mounted on the annular clamping groove (120), the elastic sealing element (200) is used for isolating a gap between the sliding extrusion part (300) on two sides and the bidirectional internal thread cylinder (110) to the female plug-in component (700) and the male plug-in component (800), and two end side walls of the bidirectional internal thread cylinder (110) are symmetrically connected with elastic spiral reverse stopping elements (130).
3. The screw-in type wire connector according to claim 2, wherein the sliding extrusion part (300) comprises a chassis (310), a through hole (312) is formed in the middle of the chassis (310), an extrusion cylinder (330) is connected to the center of the inner side of the chassis (310), a plurality of insertion strips (340) distributed in an annular mode are connected to the inner side of the chassis (310), an external thread cylinder (320) is concentrically connected to the inner side of the chassis (310), the insertion strips (340) are located on the inner side of the external thread cylinder (320), a plurality of check grooves (311) distributed in an annular mode are formed in the end face of the inner side of the chassis (310) on the outer side of the external thread cylinder (320), the check grooves (311) face towards one side face of the forward rotating direction of the bidirectional internal thread cylinder (110) and are slope faces, and the outer end of the elastic spiral check member (130) is inserted into the check grooves (311).
4. The screw-in type wire connector according to claim 3, wherein the external thread cylinders (320) on two sides are respectively installed with the internal thread threads on two sides of the bidirectional internal thread cylinder (110), the inner sides of the opposite ends of the external thread cylinders (320) on two sides are provided with hopper-shaped grooves, the elastic sealing element (200) comprises a sealing ring (210) with hopper-shaped throats at two ends, after the wire connector is installed, the throats at two ends of the sealing ring (210) are respectively inserted into the grooves at the inner ends of the external thread cylinders (320) on two sides, and the outer side of the middle part of the sealing ring (210) is installed on the annular clamping groove (120) through a positioning ring (220).
5. The screw-in type wire connector according to claim 3, wherein the wire coiling seat (400) is columnar, the wire coiling seat (400) is provided with a positioning groove (420) and a threading hole (410) which are communicated from inside to outside, the diameter of the positioning groove (420) is larger than that of the threading hole (410), a G-shaped first wire groove (430) is formed in the end face of the inner side of the wire coiling seat (400), the inner side end of the first wire groove (430) is communicated with the side wall of the positioning groove (420), a spiral wire groove (440) is formed in the outer side wall of the wire coiling seat (400), the outer side end of the first wire groove (430) is communicated with the inner side end of the spiral wire groove (440), a plurality of annularly distributed slots (450) are formed in the wire coiling seat (400), the slots (450) penetrate through the outer side end of the wire coiling seat (400), the intersection of the slots (450) and the spiral wire groove (440) is communicated, and the first wire groove (430) and the spiral wire coiling groove (440) are used for coiling cores.
6. A screw-in type wire connector according to claim 5, wherein the insert (340) is inserted into the insertion groove (450), and the insert (340) presses the coiled wire core radially outside passing through the junction with the spiral groove (440), and the pressing barrel (330) is inserted into the threading hole (410) while the rubber barrel (500) is installed in the threading hole (410).
7. A screw-in type wire connector according to claim 6, characterized in that, when the electric wire is inserted, the end of the wire insulation layer is inserted into the inside of the rubber tube (500) to a depth of more than 1/2 of the length of the rubber tube (500) and the inner diameters of the rubber tube (500) and the extrusion tube (330) are more than the diameter of the electric wire.
8. A screw-in type wire connector according to claim 5, characterized in that a cylindrical shrinkage member (600) is inserted into the positioning groove (420), the shrinkage member (600) has a tapered surface (610) shrinking towards the inner side surface of the rubber tube (500), a wire opening (620) is formed in the side wall of the inner side end of the shrinkage member (600), the wire opening (620) corresponds to the inner side end of the first wire groove (430), the diameter of the tapered opening of the outer side end of the shrinkage member (600) is smaller than the inner diameter of the rubber tube (500), and the diameter of the tapered opening of the outer side end of the shrinkage member (600) is larger than the diameter of the wire core.
9. The screw-in type wire connector according to claim 8, wherein the female plug (700) comprises a female head (710), the outer end of the female head (710) is concentrically connected with a first arc-shaped member (720), the outer end of the first arc-shaped member (720) is connected with a plurality of first plug-in blocks (730), the opening of the first arc-shaped member (720) is axially flush with the inner end of the first wire slot (430), when the screw-in type wire connector is mounted in a pressing mode, the outer end of the first plug-in blocks (730) is pressed by a tapered surface (610) included by a one-side shrinkage member (600) to shrink and clamp the wire core to be connected on one side, the male plug (800) comprises a male head (810), the outer end of the male head (810) is connected with a second arc-shaped member (820), the outer end of the second arc-shaped member (820) is connected with a plurality of second plug-in blocks (830), and when the screw-in mounting is carried out, the outer end of the second plug-in a shrinkage member (600) presses and clamps the wire core to shrink and clamp the wire core to be connected on the wire core.
10. A screw-in type electrical connector according to claim 9, wherein the female terminal (710) is in a plug-in relationship with the male terminal (810), the outer ends of the first plug-in block (730) and the second plug-in block (830) are provided with a slope along the radial outer side of the core, and the outer ends of the first plug-in block (730) and the second plug-in block (830) are provided with a concave extrusion surface along the radial inner side of the core.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211567466.0A CN115579685B (en) | 2022-12-07 | 2022-12-07 | Screw-in type wire connector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211567466.0A CN115579685B (en) | 2022-12-07 | 2022-12-07 | Screw-in type wire connector |
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| CN115579685A CN115579685A (en) | 2023-01-06 |
| CN115579685B true CN115579685B (en) | 2023-04-07 |
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| CN202211567466.0A Active CN115579685B (en) | 2022-12-07 | 2022-12-07 | Screw-in type wire connector |
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| CN115799916B (en) * | 2023-02-07 | 2023-05-16 | 国网浙江省电力有限公司舟山供电公司 | Cable connector |
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|---|---|
| CN115579685A (en) | 2023-01-06 |
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