CN215933246U - Anti-creeping branch cable - Google Patents

Abstract

The utility model belongs to the technical field of power cables, and particularly relates to an anti-creeping branch cable. It includes the connector of the section of peeling off of leader cable, branch cable and connection leader cable and branch cable, and branch sheath cladding is outside in the connector, and both ends extend and cover leader cable and branch cable, and waterproof layer cladding is outside in the connector, fills in branch sheath inside, and waterproof glue coats in the joint department of branch cable and leader cable and branch sheath, and waterproof area is sealed in waterproof glue outside around the package, and is located branch sheath inside, and the insulating cutting ferrule seals locates branch sheath and connects branch cable one end. The utility model is used for solving the problem of easy electric leakage at the cable connection position.

Description

Anti-creeping branch cable

Technical Field

The utility model belongs to the technical field of power cables, and particularly relates to an anti-creeping branch cable.

Background

In recent years, street light industry has been vigorously developed with increasing urban scale. But this also raises a number of safety issues. The street lamp has multiple points and wide range, and serious personal safety accidents are easily caused once electricity is leaked.

When a main cable of the street lamp is laid, every time the main cable passes through a street lamp along the way, the cable needs to enter a junction box at the bottom of a street lamp pole and a certain distance away from the ground to manufacture and install a cable terminal, so that 2 cable terminals are required to be arranged at each street lamp. Generally, a wiring well is built beside each street lamp, a main cable is used as an intermediate joint in each wiring well, and branch cables are connected to a street lamp wiring box from the wiring well.

However, in such a treatment mode, the waterproof grade of the cable head can be rain-proof and splash-proof, but the cable head cannot be soaked in water, and in addition, various underground pipelines are crossed and constructed successively, so that the situation is complex. Once accumulated water submerges the road edge stone, the cable head can be soaked, electric leakage accidents easily occur when water overflows the wiring position of the telegraph pole, and finally electric shock accidents are caused.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application embodiment will solve lies in overcoming prior art not enough, provides a anticreep branch cable for solve the problem of the easy electric leakage of cable connection department.

The technical scheme for solving the technical problems in the embodiment of the application is as follows: an electrical leakage prevention branch cable, comprising: the main cable, the branch cable and a connecting piece for connecting the stripping sections of the main cable and the branch cable;

the branch sheath is coated outside the connecting piece, and two ends of the branch sheath extend to cover the main cable and the branch cable;

the waterproof and waterproof layer is coated outside the connecting piece and filled inside the branch sheath;

waterproof glue is coated on the joints of the branch cables, the main cables and the branch sheaths;

the waterproof tape is wrapped and sealed outside the waterproof glue and is positioned inside the branch sheath;

and the insulating clamping sleeve is sealed at one end of the branch sheath connected with the branch cable.

Compared with the prior art, the technical scheme has the following beneficial effects:

the waterproof and anti-creeping layer is filled in the outer coating of the main cable and the branch cable, the branch sheath is sleeved outside to coat the stripping section, so that the better waterproof and anti-creeping effects are achieved, meanwhile, the waterproof glue and the coated waterproof belt are filled in the joints of the branch cable, the main cable and the branch sheath to enhance the waterproof effect of the joints, an insulating sleeve is arranged in the joints, the joints of the main cable and the branch cable are completely coated with the branch sheath, and the waterproof and anti-creeping effects are improved.

Further, the waterproof and waterproof layer includes: waterproof paste is coated and filled outside the connecting piece and the stripping section;

and the waterproof tape is wrapped outside the waterproof paste.

And the waterproof paste is wrapped by the waterproof tape, so that the waterproof paste is conveniently wrapped and shaped, and is filled in the outer part of the connecting piece and the stripping section to wrap the connecting piece to be isolated from the outer part.

Further, the inner surface of the water-blocking tape is coated with graphene oxide water-blocking powder.

The water-blocking powder coated inside the water-blocking tape can fill gaps on the surface of the water-blocking tape, so that the waterproof effect is improved.

Further, the waterproof paste is a hydrophobic expansion type waterproof paste.

Further, the waterproof tape is a self-adhesive butyl rubber waterproof tape.

Utilize the waterproof area of making of the better waterproof type that butyl rubber itself has, improve water-proof effects, form this waterproof area simultaneously and have the autohension, can be better around the package fixed at waterproof rubber's external seal, seal up here joint department insulating surface, guarantee that weak joint link has better water resistance.

Further, the branch cable is an 8-shaped two-core branch cable.

Utilize 8 style of calligraphy cables easily to tear, be difficult to harm the advantage of inside sinle silk, 8 style of calligraphy cables production simple process simultaneously, with low costs, the construction installation of being convenient for.

Furthermore, the branch cable comprises a conductor, an insulating layer and a polyvinyl chloride sheath layer from inside to outside.

Furthermore, the main cable comprises a plurality of strands of core wires, a belting layer, a polyvinyl chloride sheath layer and a nylon sheath layer from inside to outside.

The cable performance exceeds that of the cable which is only protected by common polyvinyl chloride or nylon, and the cable has excellent thermal stability, mechanical strength, cold resistance, bending strength, wear resistance, chemical resistance, oil resistance, remarkable waterproof function and the characteristic of soft armor, not only solves the problem of poor flexibility of the armor, but also has the performances of high strength and the like of the armor and the performance of preventing rats and ants.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the main cable and the branch cable in fig. 1.

Reference numerals:

1. a main cable; 2. a branch cable;

3. an insulating card sleeve;

4. waterproof glue; 5. a waterproof tape;

6. a coupling member;

7. waterproof paste; 8. a water blocking tape; 9. a branch sheath;

10. a wire core; 11. a belting layer; 12. a polyvinyl chloride sheath layer; 13. a nylon sheath layer.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Examples

As shown in fig. 1 and 2, an anti-creeping branch cable 2 according to an embodiment of the present invention includes: the main cable 1, the branch cable 2 and the connecting piece 6 for connecting the stripping section of the main cable 1 and the branch cable 2 strip the insulating layer and the like on the main cable 1 and the branch power supply to form the stripping section, and the exposed conductor is convenient for connecting the branch cable 2 to the main cable 1 by using the connecting piece 6;

as shown in fig. 2, the branch cable 2 includes a conductor, an insulating layer, and a polyvinyl chloride sheath layer 12 from inside to outside;

the main cable 1 comprises a plurality of core wires, a belting layer 11, a polyvinyl chloride sheath layer 12 and a nylon sheath layer 13 from inside to outside;

the composite sheath layer formed by the polyvinyl chloride sheath layer 12 and the nylon sheath layer 13 enables the performance of the cable to exceed that of ordinary polyvinyl chloride or nylon which is used for protecting the cable from external protection, and the composite sheath layer not only has excellent thermal stability, mechanical strength, cold resistance, bending strength, wear resistance, chemical resistance, oil resistance and remarkable waterproof function, but also has the characteristic of soft armor, not only eliminates the problem of poor bending property of the armor, but also has the performances of high strength and the like of the armor and the performance of preventing rats and ants.

The waterproof cable comprises a main cable 1, a branch cable 2, a connecting piece 6, a branch sheath 9, a waterproof layer, a waterproof tape 5 and an insulating cutting sleeve 3, wherein the branch sheath 9 is coated outside the connecting piece 6, two ends of the branch sheath extend to cover the main cable 1 and the branch cable 2, the exposed conductors of the main cable 1 and the branch cable 2 and the connecting piece 6 are completely coated, and specifically, the branch sheath 9 is formed by injection molding of waterproof injection molding materials;

the waterproof and waterproof layer covers the outside of the coupling member 6 and fills the inside of the branch sheath 9, and specifically, the waterproof and waterproof layer includes: waterproof paste 7 and a water-blocking tape 8, wherein the waterproof paste 7 is coated and filled outside the connecting piece 6 and the stripping section, and the water-blocking tape 8 wraps the waterproof paste 7;

the waterproof paste 7 is a hydrophobic expansion type waterproof paste 7, specifically, the waterproof paste 7 is formed by adding a water-absorbing material such as silicon dioxide water-absorbing resin powder into a hydrophobic colloidal stable material, and is accompanied with materials such as mineral oil, a dispersing agent, a stabilizing agent and the like, and by utilizing the hydrophobic property, a main material is a colloidal stable substance, so that the waterproof and sealing performances are good; by utilizing the water-swelling property, the waterproof paste 7-shaped material is ensured to have a certain water-swelling coefficient, the integral waterproof property is ensured by combining the main body hydrophobicity of the waterproof paste, and even if the waterproof paste is soaked in water, a small amount of water can be locked in the paste by the certain water-swelling coefficient, so that the internal structure cannot be corroded, and the high waterproof sealing property is achieved.

Specifically, after the branch cable 2 is connected to the main cable 1, the waterproof paste 7 is coated on the connecting piece 6 and the outer part of the stripping section, the waterproof paste 7 is wrapped by the water-blocking tape 8, the waterproof paste 7 is wrapped and shaped conveniently, and the waterproof paste 7 is filled in the outer part of the connecting piece 6 and the stripping section and is wrapped and isolated from the outer part.

The waterproof glue 4 is coated on the joints of the branch cable 2 and the main cable 1 with the branch sheath 9, specifically, the waterproof glue 4 is coated outside the insulation of the joint of the branch cable 2 and the insulation of the joint of the main cable 1, and fills the waterproof weak point of the joint of the branch cable 2 and the branch sheath 9;

the waterproof tape 5 is wrapped and sealed outside the waterproof glue 4 and is positioned inside the branch sheath 9; the insulation cutting sleeve 3 is sealed at one end of the branch sheath 9 connected with the branch cable 2;

the waterproof and anti-creeping layer is filled in the outer coating of the main cable 1 and the branch cable 2, the branch sheath 9 is sleeved outside to coat the stripping section, so that the waterproof and anti-creeping effect is better, meanwhile, the waterproof glue 4 and the coated waterproof belt 5 are filled at the joints of the branch cable 2, the main cable 1 and the branch sheath 9, so that the waterproof effect of the joints is enhanced, the insulating sleeve 3 is sealed, the branch sheath 9 completely coats the joint of the main cable 1 and the branch cable 2, and the waterproof and anti-creeping effect is improved.

In this embodiment, the inner surface of the water blocking tape 8 is coated with graphene oxide water blocking powder, which is not shown in the figure.

On the one hand, the added water-blocking powder can fill gaps on the surface of the water-blocking tape 8, the waterproof effect is improved, in addition, graphene is used as a raw material to prepare oxidized graphene, the oxidized graphene has good dispersibility in water, can form stable colloidal solution with water, is combined with the water-blocking tape 8 on the outer layer, and ensures that even if the water-blocking tape is soaked, the water can be controlled and digested inside the water-blocking tape 8.

In this embodiment, the waterproof tape 5 is a self-adhesive butyl rubber waterproof tape 5; utilize the waterproof tape 5 of making of the better waterproof type that butyl rubber itself has, improve water-proof effects, form this waterproof tape 5 simultaneously and have the autohension, can be better around the package fixed at the outside seal of waterproof glue 4, seal up here joint department insulating surface, guarantee that the weak joint link has better water resistance.

In this embodiment, the branch cable 2 is an 8-shaped two-core branch cable 2; utilize 8 style of calligraphy cables easily to tear, be difficult to harm the advantage of inside sinle silk 10, 8 style of calligraphy cables production simple process simultaneously, with low costs, the construction installation of being convenient for.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. An anti-creeping branch cable, comprising: the main cable, the branch cable and a connecting piece for connecting the stripping sections of the main cable and the branch cable;

the branch sheath is coated outside the connecting piece, and two ends of the branch sheath extend to cover the main cable and the branch cable;

the waterproof and waterproof layer is coated outside the connecting piece and filled inside the branch sheath;

waterproof glue is coated on the joints of the branch cables, the main cables and the branch sheaths;

the waterproof tape is wrapped and sealed outside the waterproof glue and is positioned inside the branch sheath;

and the insulating clamping sleeve is sealed at one end of the branch sheath connected with the branch cable.

2. The electrical leakage prevention branch cable of claim 1, wherein the waterproof and water resistant layer comprises: waterproof paste is coated and filled outside the connecting piece and the stripping section;

and the waterproof tape is wrapped outside the waterproof paste.

3. The anti-creeping branch cable of claim 2, wherein the inner surface of the water blocking tape is coated with graphene oxide water blocking powder.

4. The anti-creeping branch cable according to claim 2, wherein the waterproof paste is a hydrophobic intumescent waterproof paste.

5. The anti-creeping branch cable according to claim 1, wherein the waterproof tape is a self-adhesive butyl rubber waterproof tape.

6. The electrical leakage prevention branch cable of claim 1, wherein the branch cable is an 8-shaped two-core branch cable.

7. The anti-creeping branch cable according to claim 1, wherein the branch cable comprises a conductor, an insulating layer and a polyvinyl chloride sheath layer from inside to outside.

8. The anti-creeping branch cable according to claim 1, wherein the main cable comprises a plurality of core wires, a tape layer, a polyvinyl chloride sheath layer and a nylon sheath layer from inside to outside.

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