CN210295967U - Environment-friendly halogen-free low-smoke crosslinked polyethylene insulated cloth wire - Google Patents

Abstract

The utility model discloses an environment-friendly halogen-free low-smoke cross-linked polyethylene insulated cloth electric wire, including setting up the guide core in inside and from interior to exterior in proper order cladding inner sheath, armor and the oversheath at the surface of guide core, be provided with the filling layer between inner sheath and the guide core, the guide core evenly distributed is at the internal surface of inner sheath, the middle part of inner sheath is provided with the guide core separator, the guide core separator includes soft rope, ring and dead lever, the ring interval distributes at the surface of soft rope, the dead lever evenly distributed is at the surface of ring and solid as an organic whole, the one end embedding of dead lever sets up between two guide cores, and the dead lever sticiss with the guide core mutually; through the design of the core divider, the conducting cores inside the electric wire are distributed at even intervals, the problem that the conducting cores are adjacent and are subjected to interphase breakdown is avoided, the safety of the electric wire is improved, and the circular rings are distributed at even intervals on the soft rope, so that the flexibility of the electric wire is ensured.

Description

Environment-friendly halogen-free low-smoke crosslinked polyethylene insulated cloth wire

Technical Field

The utility model belongs to the technical field of insulated wire, concretely relates to there is not steamed low cigarette crosslinked polyethylene of environment-friendly insulating cloth electric wire.

Background

The insulated wire is also called as a cloth wire, and is an insulated-layer-coated wire, which comprises various connecting wires and mounting wires, wherein the insulated cloth wire made of the crosslinked polyethylene material does not release halogen-containing gas under the condition of combustion, has low smoke concentration, and is an environment-friendly low-smoke halogen-free wire.

The existing environment-friendly halogen-free low-smoke cross-linked polyethylene insulated cloth wire has the problems that multiple strands of conducting cores are arranged inside the wire, the inner conducting cores are easy to rotate in the process of producing and using the wire, adjacent conducting cores are too close to each other, and alternate breakdown is easy to cause.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environment-friendly does not have steamed low cigarette crosslinked polyethylene insulating cloth electric wire to solve the current environment-friendly that proposes in the above-mentioned background art and do not have steamed low cigarette crosslinked polyethylene insulating cloth electric wire, there is the inside stranded core that is provided with of electric wire, at the in-process of production and use electric wire, inside core easily takes place to rotate, leads to excessively closing on between the adjacent core, easily causes the problem of alternate breakdown.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an environment-friendly does not have steamed low cigarette crosslinked polyethylene insulated cloth electric wire, is including setting up at inside lead core and from interior to exterior in proper order the cladding at inner sheath, armor and the oversheath of the surface of leading the core, the inner sheath with lead and be provided with the filling layer between the core, lead the internal surface of sheath including core evenly distributed, the middle part of inner sheath is provided with leads the core separator, it includes soft rope, ring and dead lever to lead the core separator, ring interval distribution is at the surface of soft rope, dead lever evenly distributed is at the surface of ring and solid as an organic whole, the one end embedding of dead lever sets up and leads between the core at two, and the dead lever sticiss with leading the core mutually.

Preferably, the fixing rod is a polyvinyl chloride rubber rod and is of a cylindrical structure.

Preferably, the outer surface of the soft rope is uniformly distributed with rope knot groups, and each group of rope knots are symmetrically distributed at two ends of the circular ring.

Preferably, the outer sheath and the inner sheath are both cross-linked polyethylene sheaths.

Preferably, the armor layer is a corrugated aluminum sheath, and the corrugations are in a thread structure.

Preferably, the inner surface of the inner sheath is provided with a groove, the groove is of a spiral structure, and the guide core is matched with the groove.

Preferably, the filling layer is flame-retardant polyvinyl chloride filling.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through the design of the core divider, the conducting cores inside the electric wire are distributed at even intervals, the problem that the conducting cores are adjacent and are subjected to interphase breakdown is avoided, the safety of the electric wire is improved, and the circular rings are distributed at even intervals on the soft rope, so that the flexibility of the electric wire is ensured.

(2) Through the dead lever of the cylindrical structure of design, reduce the wearing and tearing between core and the dead lever of leading, set up the knot, be convenient for fix the ring, set up the wrinkle aluminium sheath that is thread type structure, prevent that the slippage from appearing at the towed in-process in the electric wire, set up the recess that is helical structure, prevent to appear drawing the slippage between core and the inner sheath.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure of the core guide separator of the present invention;

FIG. 3 is a side view of an armor layer of the present invention;

FIG. 4 is a cross-sectional view of the inner sheath of the present invention;

fig. 5 is a side cross-sectional view of the inner sheath of the present invention;

in the figure: 1. an outer sheath; 2. an armor layer; 3. an inner sheath; 4. a filling layer; 5. a core divider; 6. a guide core; 7. a flexible cord; 8. a circular ring; 9. fixing the rod; 10. and (4) a groove.

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.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: an environment-friendly halogen-free low-smoke cross-linked polyethylene insulated cloth wire comprises a guide core 6 arranged inside, an inner sheath 3, an armor layer 2 and an outer sheath 1, wherein the inner sheath 3, the armor layer 2 and the outer sheath 1 are sequentially coated on the outer surface of the guide core 6 from inside to outside, both the outer sheath 1 and the inner sheath 3 are cross-linked polyethylene sheaths, a filling layer 4 is arranged between the inner sheath 3 and the guide core 6, the filling layer 4 is flame-retardant polyvinyl chloride filler, the guide core 6 is uniformly distributed on the inner surface of the inner sheath 3, a guide core separator 5 is arranged in the middle of the inner sheath 3, the guide core separator 5 comprises a soft rope 7, a circular ring 8 and a fixed rod 9, the circular rings 8 are distributed on the outer surface of the soft rope 7 at intervals, rope knot groups are uniformly distributed on the outer surface of the soft rope 7, each group of rope knots are symmetrically distributed at two ends of the circular ring 8, the fixed rod 9 is uniformly distributed on, dead lever 9 sticiss with leading core 6 mutually, through leading core separator 5 for the inside leading core 6 evenly distributed of inner sheath 3 has avoided leading the problem that core 6 is adjacent too closely to take place the breakdown between phases, has improved the security of electric wire.

In this embodiment, the fixing rod 9 is a polyvinyl chloride rubber rod and has a cylindrical structure, so that abrasion between the guide core 6 and the fixing rod 9 is reduced.

In this embodiment, armor 2 is the wrinkle aluminium sheath, and the wrinkle is screw thread type structure for armor 2 and the connection between oversheath 1 and the inner sheath 3 are more fastened, prevent that the slippage from appearing at the in-process that pulls in the electric wire.

In this embodiment, the internal surface of inner sheath 3 is seted up flutedly 10, and recess 10 is helical structure, leads core 6 and cooperates with recess 10, sets up recess 10, prevents to lead the condition that appears drawing the slippage between core 6 and the inner sheath 3.

The utility model discloses a theory of operation and use flow: when the electric wire is assembled, the core dividers 5 are arranged between the guide cores 6 and are dragged and moved together with the traction equipment, the guide cores 6 are uniformly distributed at intervals through the core dividers 5, so that the distance between the adjacent guide cores 6 is approximately the same, the problem that the adjacent guide cores 6 are subjected to phase breakdown is avoided, the safety of the electric wire is improved, and the circular rings 8 are uniformly distributed on the soft rope 7 at intervals, so that the bending performance of the electric wire is not influenced;

through the dead lever 9 that sets up cylindrical structure, reduce and lead wearing and tearing between core 6 and the dead lever 9, through setting up the knot, be convenient for fix ring 8, the setting is the wrinkle aluminium sheath of screw thread type structure, make armor 2 and oversheath 1 and the interior sheath 3 between be connected fastening more, prevent that the slippage from appearing at towed in-process in the electric wire, through setting up the recess 10 that is helical structure, the frictional resistance between core 6 and the interior sheath 3 has been increased, effectively prevent to lead the condition that appears pulling the slippage between core 6 and the interior sheath 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. An environment-friendly halogen-free low-smoke cross-linked polyethylene insulated cloth wire comprises a guide core (6) arranged inside, an inner sheath (3), an armor layer (2) and an outer sheath (1) which are sequentially coated on the outer surface of the guide core (6) from inside to outside, a filling layer (4) is arranged between the inner sheath (3) and the guide core (6), the guide cores (6) are uniformly distributed on the inner surface of the inner sheath (3), a guide core separator (5) is arranged in the middle of the inner sheath (3), the core guide separator (5) comprises a soft rope (7), a circular ring (8) and a fixed rod (9), the circular rings (8) are distributed on the outer surface of the soft rope (7) at intervals, the fixing rods (9) are uniformly distributed on the outer surface of the circular rings (8) and are fixed into a whole, one end of the fixed rod (9) is embedded between the two guide cores (6), and the fixed rod (9) is tightly pressed with the guide cores (6).

2. The environment-friendly halogen-free low-smoke cross-linked polyethylene insulated cloth wire according to claim 1, characterized in that: the fixing rod (9) is a polyvinyl chloride rubber rod and is of a cylindrical structure.

3. The environment-friendly halogen-free low-smoke cross-linked polyethylene insulated cloth wire according to claim 1, characterized in that: the outer surface of the soft rope (7) is uniformly distributed with rope knot groups, and each group of rope knots are symmetrically distributed at two ends of the circular ring (8).

4. The environment-friendly halogen-free low-smoke cross-linked polyethylene insulated cloth wire according to claim 1, characterized in that: the outer sheath (1) and the inner sheath (3) are both cross-linked polyethylene sheaths.

5. The environment-friendly halogen-free low-smoke cross-linked polyethylene insulated cloth wire according to claim 1, characterized in that: the armor layer (2) is a corrugated aluminum sheath, and the corrugations are in a thread structure.

6. The environment-friendly halogen-free low-smoke cross-linked polyethylene insulated cloth wire according to claim 1, characterized in that: the inner surface of the inner sheath (3) is provided with a groove (10), the groove (10) is of a spiral structure, and the guide core (6) is matched with the groove (10).

7. The environment-friendly halogen-free low-smoke cross-linked polyethylene insulated cloth wire according to claim 1, characterized in that: the filling layer (4) is made of flame-retardant polyvinyl chloride filling.

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