CN214043139U

CN214043139U - Polymer breakage-proof cable sheath structure

Info

Publication number: CN214043139U
Application number: CN202120205969.8U
Authority: CN
Inventors: 李云能
Original assignee: Kunming Kangjia Industry And Trade Co ltd
Current assignee: Kunming Kangjia Industry And Trade Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-08-24
Anticipated expiration: 2031-01-25

Abstract

The application discloses damaged cable sheath structure is prevented to polymer, through superpose linear low density polyethylene layer according to the preface in PVC (polyvinyl chloride) in situ, PP (high polymer polypropylene)/PE (polyethylene) blending is toughened the layer, and set up calcium blending and toughen PVC/CPE (chlorinated polyethylene) layer at the cladding of wire outer wall, can strengthen the toughness of the interface of being connected on PVC layer and inside calcium carbonate blending toughening PVC/CPE layer on the one hand, on the other hand effectively cushions external applied shearing force, tensile force etc. causes the cracked external force of cable sheath to conduct to inside, thereby improve the tolerance degree of cable sheath to external force, realize preventing damaged effect.

Description

Polymer breakage-proof cable sheath structure

Technical Field

The application relates to a broken cable sheath structure of polymer belongs to polymer technical field.

Background

The cable is a transmission line obtained by combining a plurality of mutually insulated wires in a certain mode and externally wrapping a sealing sheath. The method can be used for power transmission or transmission operation of various electric signals. The main material of the cable for conducting current or electric signals is a conducting wire made of copper and other conductors. In order to avoid accidents such as electric shock, a protective layer outer skin structure made of high polymer materials is required to be coated on the outer wall of the lead.

The high polymer material used by the cable is required to coat the lead, and is mostly made of thermoplastic high polymer material. However, in the using process, the lead is easy to damage, so that the protective layer of the cable sheath is broken, and the potential safety hazard in the using process is increased.

Meanwhile, the cable sheath made of the conventional common PVC material also has the problems of poor toughness and poor cold resistance, so that the use safety of the cable is further improved.

SUMMERY OF THE UTILITY MODEL

The application provides a polymer breakage-proof cable sheath structure for solving the technical problem.

The application provides a damaged cable sheath structure of polymer breakage prevention includes: the tail ends of the adjacent skin structure units are connected with the head end of the other skin structure unit;

the skin structural unit includes: the PVC/CPE layer is coated on the outer wall of the wire; the PP/PE blending toughening layer is covered on the outer wall of the calcium carbonate blending toughening PVC/CPE layer; the linear low-density polyethylene layer is coated on the outer wall of the PP/PE blending toughening layer; the PVC layer is coated on the outer wall of the linear low-density polyethylene layer.

Preferably, the PVC layer comprises: the first extension PVC block layer and the second extension PVC block layer are arranged in the linear low-density polyethylene layer in an extension mode; a linear low density polyethylene layer is disposed between adjacent first and second extended PVC block layers.

Preferably, the PVC layer comprises: and the extension PVC block layer is arranged in the linear low-density polyethylene layer in an extension mode.

Preferably, the linear low density polyethylene layer comprises: a first linear extension block and a second linear extension block; the first linear extension block and the second linear extension block are arranged in the PP/PE blending toughening layer in an extending way; and a PP/PE blending toughening layer is arranged between the adjacent first linear extension block and the second linear extension block.

Preferably, the method comprises the following steps: PVC filling layer sets up the PVC filling layer between the adjacent crust constitutional unit.

Preferably, the method comprises the following steps: and the identification layer is arranged on the outer wall of the PVC filling layer in a covering mode.

The beneficial effects that this application can produce include:

1) the application provides a damaged cable sheath structure is prevented to polymer, through superpose linear low density polyethylene layer according to the preface in PVC (polyvinyl chloride) in situ, PP (high polymer polypropylene)/PE (polyethylene) blending is toughened the layer, and set up calcium blending and toughen PVC/CPE (chlorinated polyethylene) layer at wire outer wall cladding, can strengthen the toughness of the interface of being connected on PVC layer and inside calcium carbonate blending toughening PVC/CPE layer on the one hand, on the other hand effectively cushions external applied shearing force, tensile force etc. causes the cracked external force of cable sheath to conduct to inside, thereby improve the tolerance degree of cable sheath to external force, realize preventing damaged effect.

2) The application provides a damaged cable sheath structure is prevented to polymer, and calcium blending is toughened PVC CPE layer and is pasted and lay and can effectively protect the wire on arranging the wire outer wall in, prevents external force direct action in wire to the realization is to the effective protection of wire.

Drawings

Fig. 1 is a schematic structural diagram of a polymer anti-damage cable sheath provided in the present application;

illustration of the drawings: 10. a PVC layer; 21. a linear low density polyethylene layer; 22. a PP/PE blending toughening layer; 23. calcium carbonate blending toughening PVC/CPE layer; 11. an identification layer; 12. and a PVC filling layer.

Detailed Description

The present application will be described in detail with reference to examples, but the present application is not limited to these examples.

Referring to fig. 1, the present application provides a polymer anti-damage cable sheath structure, including: the tail ends of the adjacent skin structure units are connected with the head end of the other skin structure unit;

the skin structural unit includes: the cable comprises a PVC layer 10, a linear low-density polyethylene layer 21, a PP/PE blending toughening layer 22 and a calcium carbonate blending toughening PVC/CPE layer 23, wherein the calcium carbonate blending toughening PVC/CPE layer 23 is coated on the outer wall of the cable; the PP/PE blending toughening layer 22 is coated on the outer wall of the calcium carbonate blending toughening PVC/CPE layer 23; the linear low-density polyethylene layer 21 is coated on the outer wall of the PP/PE blending toughening layer 22; the PVC layer 10 is coated on the outer wall of the linear low density polyethylene layer 21.

The cable sheath protecting device can effectively protect the wires, prevent external impact force and shearing force from directly damaging each layer of the cable sheath, is favorable for improving the safety of the cable in the using process, and effectively protects the wires.

The calcium carbonate blending toughening PVC/CPE layer 23 is prepared by blending calcium carbonate particles with the particle size of 500 meshes with PVC/CPE, has strong impact force resistance, can effectively prevent the cable sheath structure from being conducted to a wire by impact force in the using process, and can effectively protect the wire.

Preferably, the PVC layer 10 comprises: the first extension PVC block layer and the second extension PVC block layer are arranged in the linear low-density polyethylene layer 21 in an extension mode; a linear low density polyethylene layer 21 is disposed between adjacent first and second extended PVC block layers.

By adopting the mode that the PVC layer 10 and the linear low-density polyethylene layer 21 are arranged in a crossed manner, the production cost can be effectively reduced, and meanwhile, a good breakage-proof effect is kept.

Preferably, the PVC layer 10 comprises: and the extended PVC block layer is extended and arranged in the linear low-density polyethylene layer 21. The extended PVC block layer inserted in the linear low-density polyethylene layer 21 can fully utilize the similar compatibility characteristics of the two layers, and the connection reliability of the PVC layer 10 and the linear low-density polyethylene layer 21 is enhanced.

The linear low density polyethylene layer 21 is prepared by mixing PVC, linear low density polyethylene and solubilizer.

Preferably, the linear low density polyethylene layer 21 comprises: a first linear extension block and a second linear extension block; the first linear extending block and the second linear extending block are arranged in the PP/PE blending toughening layer 22 in an extending way; a PP/PE blending toughening layer 22 is arranged between the adjacent first linear extending block and the second linear extending block.

According to the arrangement, the interface connection reliability of the linear low-density polyethylene layer 21 and the PP/PE blending toughening layer 22 can be enhanced, and the impact resistance capability of the cable sheath structure is improved.

Preferably, the method comprises the following steps: PVC filling layer 12, PVC filling layer 12 is set between adjacent skin structural units. Through setting up this layer structure, can be convenient for cut the cable crust, cut PVC filling layer 12, improve the shearing simple operation nature and peel the crust efficiency.

Preferably, the method comprises the following steps: the sign layer 11, the cladding of sign layer 11 sets up on 12 outer walls of PVC filling layer. According to the arrangement, operators can conveniently determine the peeling area and the position of the peeling area, and the peeling operation efficiency is improved.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the disclosure to effect such feature, structure, or characteristic in connection with other embodiments.

Although the present application has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a broken cable sheath structure of polymer which characterized in that includes: the tail ends of the adjacent skin structure units are connected with the head end of the other skin structure unit;

the skin structural unit includes: the cable comprises a PVC layer (10), a linear low-density polyethylene layer (21), a PP/PE blending toughening layer (22) and a calcium carbonate blending toughening PVC/CPE layer (23), wherein the calcium carbonate blending toughening PVC/CPE layer (23) is coated on the outer wall of the cable; the PP/PE blending toughening layer (22) is coated on the outer wall of the calcium carbonate blending toughening PVC/CPE layer (23); the linear low-density polyethylene layer (21) is coated on the outer wall of the PP/PE blending toughening layer (22); the PVC layer (10) is coated on the outer wall of the linear low-density polyethylene layer (21).

2. The polymeric breakage resistant cable sheath structure of claim 1 wherein the PVC layer (10) comprises: the first extension PVC block layer and the second extension PVC block layer are arranged in the linear low-density polyethylene layer (21) in an extension mode; a layer of linear low density polyethylene (21) is disposed between adjacent first and second layers of extended PVC blocks.

3. The polymeric breakage resistant cable sheath structure of claim 1 wherein the PVC layer (10) comprises: the extension PVC block layer is arranged in the linear low-density polyethylene layer (21) in an extension mode.

4. The polymeric breakage-proof cable sheath structure of claim 1 wherein the linear low density polyethylene layer (21) comprises: a first linear extension block and a second linear extension block; the first linear extending block and the second linear extending block are arranged in the PP/PE blending toughening layer (22) in an extending way; a PP/PE blending toughening layer (22) is arranged between the adjacent first linear extending block and the second linear extending block.

5. The polymeric breakage resistant cable sheath structure of claim 1, comprising: PVC filling layer (12), set up PVC filling layer (12) between the adjacent crust constitutional unit.

6. The polymeric breakage resistant cable sheath structure of claim 5, comprising: the identification layer (11), identification layer (11) cladding sets up on PVC filling layer (12) outer wall.