A kind of novel ac cable
Technical field:
The utility model relates to field of cables, and in particular to a kind of novel ac cable.
Background technique:
Cable is usually every group by several or the cable of similar rope that several groups of conducting wires (every group at least two) are twisted
Mutually insulated between conducting wire, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation, in some spies
Under different environment, conductor external demand covers multiple sheath to protect conductor in some ac cables, ties between existing sheath and conductor
Right effect is poor, and sheath and conductor are easy to happen displacement, for a long time in this way, conductive surface is be easy to cause to wear, and then influences to hand over
The quality of galvanic electricity cable, in this regard, the utility model is proposed a kind of novel ac cable.
Utility model content:
It is simple that the technical problem to be solved by the utility model is to provide structures, practical and convenient, between sheath and conductor
In conjunction with a kind of good novel ac cable of effect.
The following technical solution is employed for technical problem to be solved in the utility model to realize: a kind of novel alternating current
Cable, including conductor, oversheath, the conductor are entwined by a singular wire, and the surface of the conductor is equipped with semiconductor screen
Layer is covered, the surface of the semi-conductive shield is equipped with the first polyethylene layer, and the conductor is externally provided with inner sheath, the interior shield
The inner wall of set is uniformly provided with the first groove, and the first filler, the inner sheath are equipped between the inner sheath and the oversheath
It is externally provided with oversheath, the inner wall of the oversheath is uniformly provided with the second groove, is equipped between the oversheath and the inner sheath
The surface of second filler, the oversheath is equipped with polyethylene insulation, and the polyethylene insulation is externally provided with wire armoring, the steel
Silk armouring is externally provided with flame-proof polyethylene sheath.
Further, the wire is copper wire, and the diameter of copper wire is 0.3mm.
Further, first filler is gasket for packing, and second filler is heat dissipation cotton.
Further, the inner wall of second groove is even is equipped with laciniation.
Further, the surface of the oversheath is uniformly provided with heat release hole.
The utility model has the beneficial effects that the utility model structure is simple, and it is practical and convenient, pass through conductor, oversheath, interior shield
The mating connection of set and the first groove, the second groove, it is poor to solve conductor effect in conjunction with sheath in existing ac cable
The problem of, the first groove is respectively equipped with by the inner wall in inner sheath, is on the one hand capable of increasing the contact surface of inner sheath and inner wall
On the other hand product increases the frictional force between inner sheath and conductor, makes conductor be less likely to occur to be displaced with inner sheath, in conjunction with effect
It is good, it laciniation is set in the second groove inner wall, further increases roughness, convenient for combining closely with inner sheath.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of the utility model conductor;
Fig. 3 is the sectional view of the utility model oversheath;
Fig. 4 is the structural schematic diagram of the utility model oversheath in embodiment;
Wherein: 1- conductor;101- wire;102- semi-conductive shield;The first polyethylene layer of 103-;2- first is filled out
Fill object;3- inner sheath;The first groove of 301-;The second filler of 4-;5- oversheath;The second groove of 501-;502- zigzag knot
Structure;503- heat release hole;6- polyethylene insulation;7- wire armoring;8- flame-proof polyvinyl chloride sheath;
Specific embodiment:
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Embodiment 1
Such as Fig. 1, Fig. 2, shown in Fig. 3, the utility model provides a kind of novel ac cable, including conductor 1, oversheath 5,
Conductor 1 is entwined by a singular wire 101, and the surface of conductor 1 is equipped with semi-conductive shield 102, semi-conductive shield 102
Surface be equipped with the first polyethylene layer 103, conductor 1 is externally provided with inner sheath 3, and it is recessed that the inner wall of inner sheath 3 is uniformly provided with first
Slot 301, is equipped with the first filler 2 between inner sheath 3 and oversheath 5, inner sheath 3 is externally provided with oversheath 5, the inner wall of oversheath 5
It is uniformly provided with the second groove 501, the second filler 4 is equipped between oversheath 5 and inner sheath 3, the surface of oversheath 5 is equipped with poly- second
Alkene insulation 6, polyethylene insulation 6 is externally provided with wire armoring 7, and wire armoring 7 is externally provided with flame-proof polyethylene sheath 8.
In the present embodiment, wire 101 is copper wire, and the diameter of copper wire is 0.3mm.
Preferably, the first filler 2 is gasket for packing, the rounding that gasket for packing keeps rounding by cable, improves cable finished product
Degree, the second filler 4 are heat dissipation cotton, and heat dissipation cotton has the effect of heat dissipation.
The inner wall of second groove 501 is even to be equipped with laciniation 502, increases the roughness of the second groove, further mentions
High oversheath and inner sheath are combined closely.
The utility model structure is simple, practical and convenient, by conductor 1, oversheath 5, inner sheath 3 and the first groove 301,
The mating connection of second groove 501 solves the problems, such as that the effect in conjunction with sheath of conductor 1 is poor in existing ac cable, passes through
It is respectively equipped with the first groove 301 in the inner wall of inner sheath 3, is on the one hand capable of increasing the contact area of 3 inner wall of inner sheath, another party
Face increases the frictional force between inner sheath 3 and conductor 1, and conductor 1 is made to be less likely to occur to be displaced with inner sheath 3, good in conjunction with effect,
Laciniation is arranged in second groove 501 inner wall, further increases roughness, convenient for combining closely with inner sheath 3.
Embodiment 2
Such as Fig. 1, Fig. 2, shown in Fig. 3, the utility model provides a kind of novel ac cable, including conductor 1, oversheath 5,
Conductor 1 is entwined by a singular wire 101, and the surface of conductor 1 is equipped with semi-conductive shield 102, semi-conductive shield 102
Surface be equipped with the first polyethylene layer 103, conductor 1 is externally provided with inner sheath 3, and it is recessed that the inner wall of inner sheath 3 is uniformly provided with first
Slot 301, is equipped with the first filler 2 between inner sheath 3 and oversheath 5, inner sheath 3 is externally provided with oversheath 5, the inner wall of oversheath 5
It is uniformly provided with the second groove 501, the second filler 4 is equipped between oversheath 5 and inner sheath 3, the surface of oversheath 5 is equipped with poly- second
Alkene insulation 6, polyethylene insulation 6 is externally provided with wire armoring 7, and wire armoring 7 is externally provided with flame-proof polyethylene sheath 8.
In the present embodiment, wire 101 is copper wire, and the diameter of copper wire is 0.3mm.
Preferably, the first filler 2 is gasket for packing, the rounding that gasket for packing keeps rounding by cable, improves cable finished product
Degree, the second filler 4 are heat dissipation cotton, and heat dissipation cotton has the effect of heat dissipation.
The inner wall of second groove 501 is even to be equipped with laciniation 502, increases the roughness of the second groove, further mentions
High oversheath and inner sheath are combined closely.
As shown in figure 4, the surface of oversheath 5 is uniformly provided with heat release hole 503, the heat inside cable can be from heat release hole
503 discharges, have heat dissipation effect to a certain extent.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.