CN211404110U

CN211404110U - Deformation-resistant and mothproof cable

Info

Publication number: CN211404110U
Application number: CN202020101456.8U
Authority: CN
Inventors: 张继梁
Original assignee: Huzhou Huixun Communication Technology Co ltd
Current assignee: Huzhou Huixun Communication Technology Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-09-01
Anticipated expiration: 2030-01-16

Abstract

The utility model provides an anti deformation mothproof cable. It has solved current technical problem. This anti moth-eating cable of deformation, including the sinle silk that has the sheath, the quantity of sinle silk be four at least and be annular equidistant range on the circumferential direction, the sinle silk all set up in the insulating layer that has the elasticity filling layer, the elasticity filling layer in still be equipped with the wire rope that is located on the elasticity filling layer axial lead, wire rope's the circumference outside be equipped with a plurality of flexonics strip, the both ends of flexonics strip minor axis direction be connected with sinle silk and wire rope respectively, just flexonics strip major axis direction on be equipped with the crooked structure of changing of urge, the outside cladding of insulating layer have the medicament layer, the medicament in situ be equipped with a plurality of medicine passageways, the outside cladding of medicament layer have insulating top layer. The utility model has the advantages of good mothproof effect, good deformation resistance and the like.

Description

Deformation-resistant and mothproof cable

Technical Field

The utility model belongs to the technical field of the cable, especially, relate to an anti-deformation mothproof cable.

Background

The cable is used as an important post industry of national economy, and the proportion of the cable in the national economy is increasing day by day. Cables are generally rope-like cables made by stranding several wires, each group of wires being insulated from one another and often twisted around a center, the whole being covered with a highly insulating covering, the cables being erected in the air or installed underground, underwater for telecommunication or power transmission. In the prior art, cables are often threatened by biting and aging, the protective outer layer of the existing cable is easily bitten by termites, rats and the like, so that the insulating property of the cable is influenced, potential safety hazards exist, circuits need to be frequently overhauled and the cable needs to be replaced, and the deformation resistance of the cable is poor.

For example, chinese patent literature discloses a high performance medium voltage termite resistant cable [ application No.: 201120340700.7], comprising: three round stranded conductor units, the conductor unit is composed of a plurality of wire filaments; a conductor shielding layer is coated on the surface of the conductor unit; an insulating layer is coated on the surface of the conductor shielding layer; an insulating shielding layer is coated on the surface of the insulating layer; a half conductive band layer covers the surface of the insulating shielding layer; a copper wire shielding layer is coated on the surface of the semi-conducting belt layer; a filling layer is coated on the surface of the copper wire shielding layer; a wrapping layer is wrapped on the surface of the filling layer; a nylon layer is coated on the surface of the wrapping layer; an outer sheath is coated on the surface of the nylon layer.

The solution described above improves to some extent some of the problems of the prior art, but it also has at least the following drawbacks: and the mothproof capability and the anti-deformation capability are poor.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a mothproof cable of anti-deformation that mothproof is effectual, anti deformability is good.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this anti moth-eating cable of deformation, including the sinle silk that has the sheath, the quantity of sinle silk be four at least and be annular equidistant range on the circumferential direction, the sinle silk all set up in the insulating layer that has the elasticity filling layer, the elasticity filling layer in still be equipped with the wire rope that is located on the elasticity filling layer axial lead, wire rope's the circumference outside be equipped with a plurality of flexonics strip, the both ends of flexonics strip minor axis direction be connected with sinle silk and wire rope respectively, just flexonics strip major axis direction on be equipped with the crooked structure of changing of urge, the outside cladding of insulating layer have the medicament layer, the medicament in situ be equipped with a plurality of medicine passageways, the outside cladding of medicament layer have insulating top layer.

The elastic filling layer in the insulating layer can improve the compression resistance of the cable, prevent the wire cores in the cable from being broken due to extrusion, and each wire core is connected with the steel wire rope through the flexible connecting strip; in addition, can fill the medicine to the medicine passageway according to the actual use environment to satisfy moth-proof effect.

In the above-mentioned deformation-resistant and mothproof cable, the bending deformation-promoting structure includes a plurality of arc-shaped grooves which are arranged in the long axis direction of the flexible connecting strip and are respectively distributed on both sides of the flexible connecting strip, and the arc-shaped grooves are arranged at equal intervals in the long axis direction of the flexible connecting strip. The arc-shaped groove can improve the smoothness of the flexible connecting strip during bending.

In the above-mentioned deformation-resistant mothproof cable, the arc-shaped grooves on the flexible connecting strips are respectively arranged in a one-to-one correspondence in the long axis direction. Therefore, when the cable is bent, the arc-shaped grooves are arranged in a one-to-one correspondence mode, so that the flexible connecting strips can be bent more smoothly.

In the deformation-resistant mothproof cable, the drug channels are arranged in the drug layer at intervals in a ring shape, the drug channels axially extend in the long axis direction of the drug layer, and one side of the drug layer, which faces the insulating surface layer, is provided with a drug outlet. The medicine outlet is arranged on one side of the medicine layer facing the insulating surface layer, so that the medicine can smoothly flow out when the insulating surface layer is eaten by pests and the like.

In the deformation-resistant mothproof cable, the medicine outlets are arranged in the long axis direction of the medicine channel at intervals.

In the above-mentioned deformation-resistant mothproof cable, the elastic filling layer is made of organic synthetic resin.

In the deformation-resistant and moth-proof cable, the drug channel is filled with termite-resistant agent.

Compared with the prior art, this anti-deformation mothproof cable's advantage lies in: 1. the cable is reasonable in design, the elastic filling layer in the insulating layer can improve the pressure resistance of the cable, and the phenomenon that the wire core in the cable is broken due to extrusion is prevented; 2. the wire core can be prevented from being twisted and bent in the wire pulling process to cause winding together through the steel wire rope and the flexible connecting strip, and the anti-deformation effect is good; 3. the drug channel can be filled with drugs to prevent insect damage, thereby improving the mothproof effect.

Drawings

FIG. 1 is a cross-sectional view of the structure provided by the present invention;

fig. 2 is a schematic connection diagram of the steel wire rope and the flexible connecting strip provided by the present invention;

fig. 3 is a schematic structural diagram of the medicament layer provided by the present invention;

in the figure, a sheath 1, a wire core 2, an elastic filling layer 3, an insulating layer 4, a steel wire rope 5, a flexible connecting strip 6, a bending change promoting structure 7, a medicament layer 8, a medicament channel 9, an insulating surface layer 10, an arc-shaped groove 11 and a medicament outlet 12.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, the deformation-resistant and moth-proof cable comprises a cable core 2 with a sheath 1, the number of the cable cores 2 is at least four, and the cable cores 2 are annularly arranged at equal intervals in the circumferential direction, the cable cores 2 are all arranged in an insulating layer 4 with an elastic filling layer 3, a steel wire rope 5 located on the axial lead of the elastic filling layer 3 is further arranged in the elastic filling layer 3, a plurality of flexible connecting strips 6 are arranged on the circumferential outer side of the steel wire rope 5, two ends of the short axis direction of the flexible connecting strips 6 are respectively connected with the cable cores 2 and the steel wire rope 5, a bending deformation promoting structure 7 is arranged in the long axis direction of the flexible connecting strips 6, a medicament layer 8 is coated on the outer side of the insulating layer 4, a plurality of medicament channels 9 are arranged in the medicament.

The elastic filling layer 3 in the insulating layer 4 can improve the compression resistance of the cable, prevent the wire cores 2 in the cable from being broken due to extrusion, and each wire core 2 is connected with the steel wire rope 5 through the flexible connecting strip 6, the steel wire rope 5 has plasticity, the cable has a shaping function after being bent through the steel wire rope 5 and the flexible connecting strip 6, and the wire cores 2 can be orderly arranged in the elastic filling layer 3, so that the wire cores 2 are prevented from being twisted and bent in the wire pulling process to be wound together, and the anti-deformation effect is good; in addition, the medicine passage 9 can be filled with the medicine according to the actual use environment to satisfy the mothproof effect.

Preferably, the bending promoting structure 7 comprises a plurality of arc-shaped grooves 11 which are arranged in the long axis direction of the flexible connecting strip 6 and are respectively distributed on two sides of the flexible connecting strip 6, the arc-shaped grooves 11 are arranged in the long axis direction of the flexible connecting strip 6 at equal intervals, and the arc-shaped grooves 11 can improve the fluency of the flexible connecting strip 6 during bending.

Further, the arc-shaped grooves 11 on the flexible connecting strips 6 are respectively arranged in a one-to-one correspondence manner in the long axis direction, so that when the cable is bent, the arc-shaped grooves 11 are arranged in a one-to-one correspondence manner, so that the flexible connecting strips 6 can be more smoothly bent.

Furthermore, the drug channels 9 are arranged in the drug layer 8 at intervals in an annular shape, the drug channels 9 axially extend in the long axis direction of the drug layer 8, the drug outlet 12 is formed in one side, facing the insulating surface layer 10, of the drug layer 8, and the drug outlet 12 is formed in one side, facing the insulating surface layer 10, of the drug layer 8, so that the drug can smoothly flow out when the insulating surface layer 10 is eaten by pests and the like. The medicine passage 9 is filled with an anti-termite agent.

In addition, the medicine outlets 12 are arranged axially at intervals in the long axis direction of the medicine channel 9, so that the medicine outlet range is wider, and the pest and moth killing effect is better. The elastic filling layer 3 is made of organic synthetic resin, so that the cable has better toughness.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms sheath 1, wire core 2, elastic filling layer 3, insulating layer 4, steel wire rope 5, flexible connecting strip 6, bending promoting structure 7, medicament layer 8, medicament channel 9, insulating surface layer 10, arc-shaped groove 11, medicament outlet 12, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The deformation-resistant mothproof cable is characterized by comprising at least four wire cores (2) with sheaths (1), wherein the wire cores (2) are arranged in an annular and equidistant manner in the circumferential direction, the wire cores (2) are all arranged in an insulating layer (4) with an elastic filling layer (3), a steel wire rope (5) positioned on the axial lead of the elastic filling layer (3) is further arranged in the elastic filling layer (3), a plurality of flexible connecting strips (6) are arranged on the circumferential outer side of the steel wire rope (5), two ends of each flexible connecting strip (6) in the short axis direction are respectively connected with the wire cores (2) and the steel wire rope (5), a bending deformation promoting structure (7) is arranged in the long axis direction of each flexible connecting strip (6), a medicament layer (8) is coated on the outer side of the insulating layer (4), a plurality of medicament channels (9) are arranged in the medicament layer (8), the outside of the medicament layer (8) is coated with an insulating surface layer (10).

2. The deformation-resistant and moth-proof cable according to claim 1, wherein the bending deformation-promoting structure (7) comprises a plurality of arc-shaped grooves (11) which are arranged in the long axis direction of the flexible connecting strip (6) and respectively distributed on two sides of the flexible connecting strip (6), and the arc-shaped grooves (11) are arranged at equal intervals in the long axis direction of the flexible connecting strip (6).

3. The deformation-resistant and moth-proof cable according to claim 2, wherein the arc-shaped grooves (11) of each flexible connecting strip (6) are respectively arranged in a one-to-one correspondence in the long axis direction.

4. The deformation-resistant and moth-proof cable according to claim 1, wherein the drug channels (9) are annularly and alternately arranged in the drug layer (8), the drug channels (9) axially extend in the long axis direction of the drug layer (8), and one side of the drug layer (8) facing the insulating surface layer (10) is provided with a drug outlet (12).

5. The deformation-resistant and moth-proof cable according to claim 4, wherein the medicine outlets (12) are arranged in a plurality and axially spaced in the long axis direction of the medicine passage (9).

6. The deformation-resistant and moth-proof cable as claimed in claim 1, wherein the elastic filler layer (3) is made of organic synthetic resin.

7. The deformation-resistant and moth-proof cable as claimed in claim 1, wherein the drug passage (9) is filled with a termite-resistant agent.