CN210349367U

CN210349367U - Electric wire and cable with good bending resistance

Info

Publication number: CN210349367U
Application number: CN201921743871.7U
Authority: CN
Inventors: 杨晓庆; 陈炎俊
Original assignee: Dongguan Fuchuan Precision Industry Co Ltd
Current assignee: Dongguan Fuchuan Precision Industry Co Ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-04-17
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses an electric wire and cable that bending resistance is good, including the copper wire, the copper wire is provided with the multiunit, and every group the outside of copper wire all wraps up rubber insulation, and is adjacent all to fill in the gap between the rubber insulation has the resin filling layer, the outside of resin filling layer is wrapped up there is the inner sheath, the utility model provides an oversheath inboard surface equidistance has designed a plurality of mounting grooves to in the mounting groove design the support ring, make the cable after receiving pressure, the support ring can play a supporting role to the cable inside, avoids inside by the extrusion damage, cooperates the bending buffer slot between two mounting grooves simultaneously, makes the oversheath conveniently buckle, and can not appear buckling the easy cracked condition for a long time; the utility model provides a design a plurality of filling grooves on the inner sheath to increased heat dissipation silica gel layer at the filling inslot, makeed heat that the copper wire produced that can fast absorb on heat dissipation silica gel layer, avoided copper wire high temperature.

Description

Electric wire and cable with good bending resistance

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to resistance to buckling good electric wire and cable.

Background

The wire and cable is used for transmitting electric energy, information and wire products for realizing electromagnetic energy conversion. A wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, total protective layers and outer jackets, the cable may also have additional conductors without insulation. The heat dispersion of present cable in the in-process cable that uses is relatively poor to present cable produces the crack easily after buckling for a long time, and present cable oversheath material is softer in addition, and the cable receives easy deformation after the extrusion.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a good electric wire and cable of bending resistance to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a good wire and cable of bending resistance, includes the copper wire, the copper wire is provided with the multiunit, and every group the outside of copper wire has all wrapped up rubber insulation, and is adjacent all the packing has the resin filling layer in the gap between the rubber insulation, the outside parcel of resin filling layer has the inner sheath, the surface equidistance of inner sheath is provided with a plurality of filling grooves, be provided with heat dissipation silica gel layer in the filling groove, the outside of inner sheath is provided with the oversheath, be provided with the steel band armor between oversheath and the inner sheath, the inboard surface equidistance of oversheath is provided with a plurality of mounting grooves, be provided with the support ring in the mounting groove, adjacent two all be provided with a buffer slot of buckling between the.

Preferably, the rubber insulation layer is provided with a two-layer structure, one layer on the inner side of the rubber insulation layer is a mica heat-resistant layer, and one layer on the outer side of the rubber insulation layer is a PVC rubber layer.

Preferably, the mounting groove is of a circular ring structure, and the size of the mounting groove is consistent with that of the support ring.

Preferably, a layer of wrapping tape is arranged on the inner side of the inner sheath.

Preferably, the structure of the bending buffer groove is a circular ring-shaped structure, and the width of the bottom of the bending buffer groove is 2mm larger than the width of the opening of the bending buffer groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an outer sheath inboard surface equidistance have designed a plurality of mounting grooves to design the support ring in the mounting groove, make the cable receive pressure after, the support ring can play a supporting role to the cable inside, avoid inside by the extrusion damage, cooperate the buckle dashpot between two mounting grooves simultaneously, make the outer sheath convenient to buckle, and can not appear buckling the easy cracked condition for a long time; the utility model provides a design a plurality of filling grooves on the inner sheath to increased heat dissipation silica gel layer at the filling inslot, makeed heat that the copper wire produced that can fast absorb on heat dissipation silica gel layer, avoided copper wire high temperature.

Drawings

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

fig. 2 is a schematic cross-sectional structure diagram of the present invention;

FIG. 3 is a schematic cross-sectional view of the outer sheath of the present invention;

in the figure: 1. an outer sheath; 2. a steel tape armor layer; 3. a rubber insulating layer; 4. a heat dissipation silica gel layer; 5. an inner sheath; 6. mounting grooves; 7. a resin filling layer; 8. filling the groove; 9. a support ring; 10. a copper wire; 11. and bending the buffer 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a good electric wire cable of bending resistance, including copper wire 10, copper wire 10 is provided with the multiunit, and the outside of every copper wire 10 of group has all wrapped up rubber insulation 3, all fill in the gap between the adjacent rubber insulation 3 has resin filling layer 7, the outside parcel of resin filling layer 7 has inner sheath 5, the surface equidistance of inner sheath 5 is provided with a plurality of filling grooves 8, be provided with heat dissipation silica gel layer 4 in the filling groove 8, the outside of inner sheath 5 is provided with oversheath 1, be provided with steel band armor 2 between oversheath 1 and the inner sheath 5, the inboard surface equidistance of oversheath 1 is provided with a plurality of mounting grooves 6, be provided with support ring 9 in the mounting groove 6, all be provided with one between two adjacent mounting grooves 6 and buckle the dashpot 11, in order to.

In this embodiment, it is preferable that the rubber insulating layer 3 has a two-layer structure, in which one layer on the inner side of the rubber insulating layer 3 is a mica heat-resistant layer, and one layer on the outer side of the rubber insulating layer 3 is a PVC rubber layer, so as to perform an insulating function.

In this embodiment, it is preferable that the mounting groove 6 has a circular structure, and the size of the mounting groove 6 is consistent with the size of the support ring 9, in order to ensure a firm mounting.

In this embodiment, it is preferable that the inner sheath 5 is provided with a tape on the inside thereof in order to prevent loosening.

In this embodiment, preferably, the structure of the bending buffer slot 11 is a circular ring structure, and the width of the bottom of the bending buffer slot 11 is 2mm larger than the width of the opening of the bending buffer slot 11, so as to facilitate bending and avoid cracking.

The utility model discloses a theory of operation and use flow: the supporting rings 9 are arranged in the mounting grooves 6 on the inner side surface of the outer sheath 1, so that after the cable receives pressure, the supporting rings 9 can support the interior of the cable, the interior of the cable is prevented from being extruded and damaged, and meanwhile, the outer sheath 1 is convenient to bend and cannot be easily cracked due to long-time bending by being matched with the bending buffer grooves 11 between the two mounting grooves 6; all increased heat dissipation silica gel layer 4 in a plurality of filling grooves 8 on inner sheath 1 for heat dissipation silica gel layer 4 can absorb the heat that copper wire 10 produced soon, has avoided the copper wire high temperature.

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

1. The utility model provides a good electric wire and cable of bending resistance, includes copper wire (10), its characterized in that: a plurality of groups of copper wires (10) are arranged, the outer side of each group of copper wires (10) is wrapped by a rubber insulating layer (3), gaps between every two adjacent rubber insulating layers (3) are filled with resin filling layers (7), the outer side of the resin filling layer (7) is wrapped with an inner sheath (5), the outer surface of the inner sheath (5) is provided with a plurality of filling grooves (8) at equal intervals, a heat dissipation silica gel layer (4) is arranged in the filling groove (8), an outer sheath (1) is arranged on the outer side of the inner sheath (5), a steel strip armor layer (2) is arranged between the outer sheath (1) and the inner sheath (5), a plurality of mounting grooves (6) are equidistantly arranged on the inner side surface of the outer sheath (1), a support ring (9) is arranged in each mounting groove (6), and a bending buffer groove (11) is arranged between every two adjacent mounting grooves (6).

2. The electrical wire cable according to claim 1, wherein: the mica heat-resistant rubber insulation structure is characterized in that the rubber insulation layer (3) is provided with a two-layer structure, one layer on the inner side of the rubber insulation layer (3) is a mica heat-resistant layer, and one layer on the outer side of the rubber insulation layer (3) is a PVC rubber layer.

3. The electrical wire cable according to claim 1, wherein: the mounting groove (6) is of a circular ring-shaped structure, and the size of the mounting groove (6) is consistent with that of the support ring (9).

4. The electrical wire cable according to claim 1, wherein: a layer of wrapping tape is arranged on the inner side of the inner sheath (5).

5. The electrical wire cable according to claim 1, wherein: the structure of the bending buffer groove (11) is of a circular ring-shaped structure, and the width of the bottom of the bending buffer groove (11) is 2mm larger than the width of the opening of the bending buffer groove (11).