CN214124152U

CN214124152U - Cable joint with tight connection

Info

Publication number: CN214124152U
Application number: CN202022875834.0U
Authority: CN
Inventors: 潘益峰
Original assignee: Zhenjiang Binjiang Electronics Co ltd
Current assignee: Zhenjiang Binjiang Electronics Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-09-03
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a connect cable joint of fastening, including first casing, first cable, second casing, second cable and anti-skidding line, the inside rotation in first casing right side is connected with the first insulation layer, and the inside public head of connection that is fixed with in the first insulation layer, connect public first right-hand member and be fixed with the conductive plug, first cable right-hand member sets up inside first casing left side. This connect cable joint of fastening, be provided with the helical blade, pyrocondensation pipe and anti-skidding line, rotate first casing, make first cable stretch into inside first casing left side, the first cable outside of helical blade embedding simultaneously, heat the pyrocondensation pipe, the pyrocondensation pipe shrink makes and is connected more fastening between first casing and the first cable, anti-skidding line plays the effect of strengthening pyrocondensation pipe and first casing coupling effect, this cable joint makes being connected between cable joint and the cable fastening more through being connected of inside and outside both sides, be applicable to the occasion that needs frequently pull the cable, it has the practicality to use more.

Description

Cable joint with tight connection

Technical Field

The utility model relates to a cable joint technical field specifically is a connect cable joint of fastening.

Background

In order to make the laid cable form a continuous circuit, it is necessary to use a cable connector, and after a mass search, the existing cable connector is found to be typically as follows: CN201920501057.8, a cable joint, which comprises an upper joint body and a lower joint body. The utility model discloses the performance is dragged in length direction's tensile to the improvement cable that can be great, avoids producing the phenomenon of the slippage of cable, is provided with horizontal joint groove, can be so that the cable that is located the cable joint accomplishes good transition with external cable, avoids producing local stress concentration, increase of service life.

To sum up, the existing cable joint is usually only suitable for a single-core cable, when the cable joint is connected with a multi-core cable, because the contact area between an internal conductor and a multi-strand electric core is small, the resistivity is increased, the connection effect of the cable joint is greatly reduced, the existing cable joint is usually fixed on the cable in an extrusion mode, the cable in the connection mode inevitably generates micro displacement when pulled, the cable displacement is gradually increased until the cable joint is completely separated from the connection with the cable joint due to long-time pulling, and in order to solve the problems, the existing equipment needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connect cable joint of fastening to current cable joint who proposes in solving above-mentioned background art only is applicable to single core cable usually, when being connected with the multicore cable, because its inside electric conductor is little with the area of contact of stranded electricity core, leads to the resistivity to rise then, very big reduction this cable joint's the connection effect's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a cable joint with tight connection comprises a first shell, a first cable, a second shell, a second cable and anti-skid grains,

the right end of the first cable is arranged inside the left side of the first shell;

the left side of the second shell is rotatably connected with a second insulating layer, a connecting female head is fixed in the second insulating layer, a slot is formed in the left side of the connecting female head, the conductive plug is inserted in the slot, the outer side of the second shell is rotatably connected with a connecting screw sleeve, the left side of the connecting screw sleeve is in threaded connection with the outer side of the first shell, the right end of the first shell is attached to the left end of the second shell, a sealing gasket is arranged at the attachment position of the first shell and the second shell, and the left end of the second cable is arranged in the right side of the second shell;

the anti-slip line is arranged on the outer surface of the left side of the first shell and the outer surface of the second shell, a heat-shrinkable tube is fixed on the outer side of the left end of the first shell and the outer side of the right end of the second shell, the heat-shrinkable tube is arranged at the joint of the first shell and a first cable and the joint of the second shell and a second cable, and the wire grooves are formed in the left side of the connecting male head and the right side of the connecting female head.

Preferably, the helical blades are fixed on the inner wall of the left side of the first shell and the inner wall of the right side of the second shell, the helical blades on the first shell are embedded in the outer side of the first cable, and the helical blades on the second shell are embedded in the outer side of the second cable.

Preferably, the rightmost end of the first housing and the rightmost end of the first insulating layer are located on the same vertical plane, and the leftmost end of the second housing and the leftmost end of the second insulating layer are located on the same vertical plane.

Preferably, the right end of the first cable and the left end of the second cable both extend out of a plurality of strands of battery cores, the plurality of strands of battery cores are inserted into the wire grooves, and meanwhile, conductive paste is filled between the plurality of strands of battery cores and the wire grooves.

Preferably, the right end of the first cable is attached to the left end of the first insulating layer, and the left end of the second cable is attached to the right end of the second insulating layer.

Preferably, the anti-slip lines are arranged between the first shell and the heat shrinkable tube and between the second shell and the heat shrinkable tube.

Compared with the prior art, the beneficial effects of the utility model are that: the connection is a tight cable joint and,

(1) the multi-strand electric core is arranged in the wire groove, the wire groove is connected with the male connector, the multi-strand electric core is connected with the female connector, the wire groove is provided with a wire groove and conductive paste, the multi-strand electric core on the first cable is equally divided into three parts, the conductive paste is coated in the wire groove connected with the male connector, then the equally divided multi-strand electric core is respectively inserted in the wire groove connected with the male connector, the multi-strand electric core extrudes the conductive paste, the conductive paste is filled between the wire groove connected with the male connector and the multi-strand electric core on the second cable, similarly, the conductive paste is filled between the cable connected with the female connector and the multi-strand electric core on the second cable, the contact area between the multi-strand electric core on the first cable and the multi-;

(2) be provided with the spiral blade, pyrocondensation pipe and anti-skidding line, rotate first casing, make first cable stretch into inside the first casing left side, the first cable outside of spiral blade embedding simultaneously, heat the pyrocondensation pipe, the pyrocondensation pipe shrink makes and is connected more fastening between first casing and the first cable, anti-skidding line plays the effect of strengthening pyrocondensation pipe and first casing connection effect, and on the same hand, another pyrocondensation pipe makes being connected between second casing and the second cable more fastening, this cable joint makes being connected between cable joint and the cable more fastening through being connected of inside and outside both sides, be applicable to the occasion that needs frequently pull the cable, it has more the practicality to use.

Drawings

FIG. 1 is a schematic view of the left side view of the cross-section of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

fig. 3 is a schematic diagram of the right side view of the cross-sectional structure of the present invention.

In the figure: 1. the cable comprises a first shell, 2, a first insulating layer, 3, a connecting male connector, 4, a conductive plug, 5, a first cable, 6, a second shell, 7, a second insulating layer, 8, a connecting female connector, 9, a slot, 10, a connecting screw sleeve, 11, a sealing gasket, 12, a second cable, 13, an anti-skid line, 14, a heat-shrinkable tube, 15, a wire groove, 16, a spiral blade, 17, a multi-strand electric core, 18 and conductive paste.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a cable joint with tight connection is disclosed, as shown in FIG. 1 and FIG. 2, a first insulating layer 2 is rotatably connected inside the right side of a first shell 1, a male connector 3 is fixed inside the first insulating layer 2, a helical blade 16 is fixed on the left inner wall of the first shell 1 and the right inner wall of a second shell 6, the helical blade 16 on the first shell 1 is embedded outside a first cable 5, and the helical blade 16 on the second shell 6 is embedded outside a second cable 12, so that the connection between the first shell 1 and the first cable 5 and between the second shell 6 and the second cable 12 is more tight, the rightmost end of the first shell 1 and the rightmost end of the first insulating layer 2 are located on the same vertical plane, the leftmost end of the second shell 6 and the leftmost end of the second insulating layer 7 are located on the same vertical plane, when the first shell 1 and the second shell 6 are connected, the first insulating layer 2 and the second insulating layer 7 are arranged in a joint manner, the right end of the male connector 3 is fixed with a conductive plug 4, the right end of the first cable 5 is arranged inside the left side of the first shell 1, the right end of the first cable 5 and the left end of the second cable 12 both extend out of a multi-strand cell 17, the multi-strand cell 17 is inserted inside the wire slot 15, meanwhile, conductive paste 18 is filled between the multi-strand cell 17 and the wire slot 15, the connection area between the multi-strand cell 17 and the male connector 3 or the female connector 8 is increased, the conductive effect is improved, the right end of the first cable 5 is attached to the left end of the first insulating layer 2, the left end of the second cable 12 is attached to the right end of the second insulating layer 7, an insulating sheath on the first cable 5 is matched with the first insulating layer 2, an insulating sheath on the second cable 12 is matched with the second insulating layer 7 to play a role of separating insulation, the inside the left side of the second shell 6 is rotatably connected with the second insulating layer 7, and the inside female head 8 of being fixed with of second insulating layer 7, connect female 8 left sides and seted up slot 9, electrically conductive plug 4 pegs graft inside slot 9, and the second casing 6 outside is rotated and is connected with connection swivel nut 10, and connects swivel nut 10 left side and first casing 1 outside threaded connection.

As shown in fig. 2 and 3, the right end of the first shell 1 is attached to the left end of the second shell 6, a sealing washer 11 is disposed at the attachment position of the first shell 1 and the second shell 6, the left end of the second cable 12 is disposed inside the right side of the second shell 6, anti-slip patterns 13 are formed on the outer surface of the left side of the first shell 1 and the outer surface of the second shell 6, the anti-slip patterns 13 are disposed between the first shell 1 and the heat shrinkable tube 14 and between the second shell 6 and the heat shrinkable tube 14, so as to increase the friction between the heat shrinkable tube 14 and the first shell 1 or the second shell 6, so that the heat shrinkable tube 14 is connected with the first shell 1 or the second shell 6 more firmly, the heat shrinkable tube 14 is fixed outside the left end of the first shell 1 and outside the right end of the second shell 6, and the heat shrinkable tube 14 is arranged at the joint of the first shell 1 and the first cable 5 and the joint of the second shell 6 and the second cable 12, and the wiring slots 15 are formed in the left side of the connecting male head 3 and the right side of the connecting female head 8.

The working principle is as follows: when the cable joint fastened by connection is used, firstly, a conductive paste 18 is smeared in a wire slot 15 on a male connector 3, a plurality of strands of electric cores 17 on a first cable 5 are equally divided into three parts, a first shell 1 is rotated, a spiral blade 16 in the first shell 1 is enabled to spirally cut part of an insulating skin on the outer side of the right end of the first cable 5, the first cable 5 is inserted in the left side of the first shell 1 until the right end of the first cable 5 is attached to the left side of a first insulating layer 2, meanwhile, the equally divided strands of electric cores 17 are respectively inserted in the wire slot 15 on one male connector 3, the conductive paste 18 is extruded, the conductive paste 18 is filled between the strands of electric cores 17 and the wire slot 15, the contact area between the strands of electric cores 17 and the male connector 3 is increased, the conductive effect is improved, so that the cable joint is used for cables with a plurality of electric cores, a heat shrinkable tube 14 is heated, and the heat shrinkable tube 14 is shrunk, meanwhile, one side of the heat shrinkable tube 14 is fixed on the first cable 5, the other side of the heat shrinkable tube 14 is fixed on the anti-skid veins 13 on the first shell 1, so as to play a role of waterproof reinforcement, the connection between the cable connector and the cable is more firm through the fixed connection of the inner side and the outer side, the influence of pulling is small, the cable connector is suitable for occasions needing frequent pulling of the cable, the use is more practical, similarly, the second shell 6 is fixed on the second cable 12, the multi-strand electric core 17 on the second cable 12 is electrically connected with the female connector 8, the conductive plug 4 on the male connector 3 is inserted into the slot 9 on the female connector 8, the connecting screw sleeve 10 is rotated until the right end of the first shell 1 is attached to the left end of the second shell 6, so that the first shell 1 is connected and fastened with the second shell 6, the sealing washer 11 plays a role of flexible filling, and the sealing effect is further improved, this completes the work and is not described in detail in this specification as it is well known in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A connect cable joint of fastening, includes first casing (1), first cable (5), second casing (6), second cable (12) and antiskid line (13), its characterized in that:

the cable comprises a first shell (1), wherein a first insulating layer (2) is rotatably connected to the inside of the right side of the first shell (1), a connecting male head (3) is fixed inside the first insulating layer (2), a conductive plug (4) is fixed at the right end of the connecting male head (3), and the right end of a first cable (5) is arranged inside the left side of the first shell (1);

the left side of the second shell (6) is connected with a second insulating layer (7) in a rotating mode, a connecting female head (8) is fixed inside the second insulating layer (7), a slot (9) is formed in the left side of the connecting female head (8), the conductive plug (4) is inserted into the slot (9), a connecting threaded sleeve (10) is connected to the outer side of the second shell (6) in a rotating mode, the left side of the connecting threaded sleeve (10) is in threaded connection with the outer side of the first shell (1), the right end of the first shell (1) is attached to the left end of the second shell (6), a sealing gasket (11) is arranged at the attachment position of the first shell (1) and the second shell (6), and the left end of the second cable (12) is arranged inside the right side of the second shell (6);

anti-skidding line (13), anti-skidding line (13) are seted up at first casing (1) left side surface and second casing (6) surface, first casing (1) left end outside all is fixed with pyrocondensation pipe (14) with second casing (6) right-hand member outside, and pyrocondensation pipe (14) set up in first casing (1) and first cable (5) junction and second casing (6) and second cable (12) junction, wire casing (15) have all been seted up with female head (8) right side inside in the connection public head (3) left side.

2. A connectively fastened cable joint according to claim 1, wherein: spiral blades (16) are fixed on the inner wall of the left side of the first shell (1) and the inner wall of the right side of the second shell (6), the spiral blades (16) on the first shell (1) are embedded into the outer side of the first cable (5), and meanwhile the spiral blades (16) on the second shell (6) are embedded into the outer side of the second cable (12).

3. A connectively fastened cable joint according to claim 1, wherein: the rightmost end of the first shell (1) and the rightmost end of the first insulating layer (2) are located on the same vertical plane, and the leftmost end of the second shell (6) and the leftmost end of the second insulating layer (7) are located on the same vertical plane.

4. A connectively fastened cable joint according to claim 1, wherein: the multi-strand cell (17) is stretched out from the right end of the first cable (5) and the left end of the second cable (12), the multi-strand cell (17) is inserted into the wire slot (15), and meanwhile, conductive paste (18) is filled between the multi-strand cell (17) and the wire slot (15).

5. A connectively fastened cable joint according to claim 1, wherein: the right end of the first cable (5) is attached to the left end of the first insulating layer (2), and the left end of the second cable (12) is attached to the right end of the second insulating layer (7).

6. A connectively fastened cable joint according to claim 1, wherein: the anti-skid grains (13) are arranged between the first shell (1) and the heat shrinkable tube (14) and between the second shell (6) and the heat shrinkable tube (14).