High-temperature-resistant cable
By designing a high-temperature resistant cable with positioning grooves and elastic brackets in the cable, combined with the structure of tensile core and rubber plate, the problem of deformation of the cable during extrusion is solved, the stability and safety of the cable are improved, and the stability and safety of the cable are extended. Service life.
Patent Information
- Application Number
- CN202421332235.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-06-12
AI Technical Summary
The cable is prone to deformation when squeezed, resulting in unusability, and the prior art lacks an effective positioning mechanism to prevent this.
A high-temperature resistant cable is designed, including cable core, bracket and protective sleeve. The bracket has multiple positioning grooves and elastic properties, built-in tensile core and rubber plate, the rubber plate is staggered with the positioning groove, adding filler and reinforcement bars are provided to improve stability, and convex bars are provided between the high temperature resistant layer and the flame retardant layer to enhance elasticity.
By fixing the cable core with the bracket and positioning groove, the stability of the rubber plate and reinforcement strip improves the service life and safety of the cable, reduces direct extrusion between the cable core, and avoids the cracking of the insulation cover.
Smart Images
Figure CN222300344U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cables, and in particular to a high temperature resistant cable. Background Art
[0002] Power cables are cables used to transmit and distribute electrical energy. Power cables are commonly used in urban underground power grids, power station lead-out lines, internal power supply of industrial and mining enterprises, and underwater transmission lines across rivers and seas. In power lines, the proportion of cables is gradually increasing. Power cables are cable products used to transmit and distribute high-power electrical energy in the trunk lines of the power system.
[0003] At present, there is a lack of internal positioning mechanisms in the cables on the market, and most cables are directly wrapped and fixed with aluminum foil. When the cables are squeezed, the cables squeeze and rub against each other, which can easily cause deformation and make the cables unusable. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides a high temperature resistant cable, which aims to improve the problem that when the cable is squeezed, the cables are squeezed and rubbed against each other, which easily causes deformation and makes the cable unusable.
[0005] The utility model is implemented as follows: a high-temperature resistant cable comprises a cable core, a bracket and a protective cover, the inner wall of the protective cover is fixedly connected with a high-temperature resistant layer, the inner wall of the high-temperature resistant layer is installed with a flame retardant layer, the bracket is installed in the flame retardant layer, the bracket is circular and has a plurality of positioning grooves at the edge, the cable core is installed in the positioning groove, and a filler is arranged between the cable core and the inner wall of the flame retardant layer.
[0006] In the preferred technical solution of the utility model, a tensile core is installed in the bracket, the tensile core is arranged at the center of the bracket, and the tensile core is made by weaving multiple strands of carbon fiber wires.
[0007] In the preferred technical solution of the utility model, a plurality of the positioning grooves are equidistantly arranged in an annular manner on the outside of the bracket, the inner wall of the positioning groove is arc-shaped, and the bracket is elastic and can be bent.
[0008] In the preferred technical solution of the present utility model, a rubber plate is fixedly installed between the outer side of the bracket and the inner wall of the flame retardant layer, the rubber plate is elastic, and the rubber plate is made of high temperature resistant material.
[0009] In a preferred technical solution of the utility model, a plurality of the rubber plates and a plurality of the positioning grooves are alternately arranged on the bracket, and both sides of the rubber plates are filled with the filler, which is made of a flame-retardant material.
[0010] In the preferred technical solution of the utility model, reinforcement strips are symmetrically fixedly installed on both sides of the rubber plate, one side of the reinforcement strip is inclined, and the reinforcement strips at both ends are fixedly connected to the outer side of the bracket and the inner wall of the flame retardant layer respectively.
[0011] In the preferred technical solution of the utility model, a gap is provided between the high temperature resistant layer and the flame retardant layer and a plurality of convex strips are fixedly installed, and the plurality of convex strips are fixedly installed between the high temperature resistant layer and the flame retardant layer in an annular manner with equal intervals.
[0012] The beneficial effects of the utility model are as follows: the utility model obtains a high temperature resistant cable through the above design. When in use, multiple cable cores are distinguished and fixed by the cooperation of the bracket and the positioning groove, and fillers are added to prevent the cable cores from shaking. The cooperation of the rubber plate and the reinforcement strip improves the stability between the bracket and the flame retardant layer. This device separates the cable cores through the bracket, which can reduce the rupture of the insulating sheath caused by the direct squeezing of the cable cores, thereby improving safety and service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 This is a schematic diagram of the structure of a high temperature resistant cable provided by an embodiment of the utility model;
[0015] Figure 2 A side view of a high temperature resistant cable is provided for an embodiment of the utility model;
[0016] Figure 3 A schematic diagram of the structure of a bracket is provided for an embodiment of the utility model;
[0017] Figure 4 A partial cross-sectional view of a high temperature resistant cable is provided for an embodiment of the utility model.
[0018] In the figure: 110 - cable core; 120 - bracket; 121 - tensile core; 122 - rubber plate; 123 - reinforcement strip; 130 - protective cover; 140 - high temperature resistant layer; 141 - convex strip; 150 - flame retardant layer. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1 and Figure 2 The utility model provides a technical solution: a high temperature resistant cable, comprising a cable core 110, a bracket 120 and a protective cover 130, the inner wall of the protective cover 130 is fixedly connected with a high temperature resistant layer 140, the inner wall of the high temperature resistant layer 140 is installed with a flame retardant layer 150, the bracket 120 is installed in the flame retardant layer 150, the bracket 120 is circular and has a plurality of positioning grooves at the edge, the cable core 110 is installed in the positioning groove, a filler is arranged between the cable core 110 and the inner wall of the flame retardant layer 150, a plurality of the positioning grooves are equidistantly arranged in an annular manner on the outside of the bracket 120, the inner wall of the positioning groove is arc-shaped, and the bracket 120 is elastic and can be bent.
[0021] In some specific embodiments, a tensile core 121 is installed in the bracket 120, and the tensile core 121 is arranged at the center of the bracket 120. The tensile core 121 is woven by multiple strands of carbon fiber wires to improve the axial tensile resistance of the cable and avoid rupture of the protective cover 130 during the stretching process of the cable, thereby improving the safety of the cable when in use.
[0022] See also Figure 3 and Figure 4 A rubber plate 122 is fixedly installed between the outer side of the bracket 120 and the inner wall of the flame retardant layer 150. The rubber plate 122 is elastic and is made of a high temperature resistant material. A plurality of the rubber plates 122 and a plurality of the positioning grooves are alternately arranged on the bracket 120. Both sides of the rubber plate 122 are filled with the filler, which is made of a flame retardant material.
[0023] In some specific embodiments, reinforcement strips 123 are symmetrically fixedly installed on both sides of the rubber plate 122, one side of the reinforcement strip 123 is inclined, and the reinforcement strips 123 at both ends are fixedly connected to the outer side of the bracket 120 and the inner wall of the flame retardant layer 150 respectively. The reinforcement strips 123 improve the stability of the rubber plate 122, and the rubber plate 122 supports the cable.
[0024] In some specific embodiments, a gap is provided between the high temperature resistant layer 140 and the flame retardant layer 150 and a plurality of ridges 141 are fixedly installed. The plurality of ridges 141 are fixedly installed in a circular shape and equidistantly between the high temperature resistant layer 140 and the flame retardant layer 150. The provision of the ridges 141 improves the elasticity of the cable and effectively prevents the cable from being broken and damaged when squeezed.
[0025] Working principle: When in use, multiple cable cores 110 are distinguished and fixed by the bracket 120 and the positioning groove, and fillers are added to prevent the cable cores 110 from shaking. The cooperation of the rubber plate 122 and the reinforcement strip 123 improves the stability between the bracket 120 and the flame retardant layer 150.
[0026] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A high temperature resistant cable, characterized in that: It includes a cable core, a bracket and a protective cover, the inner wall of the protective cover is fixedly connected with a high-temperature resistant layer, the inner wall of the high-temperature resistant layer is installed with a flame-retardant layer, the bracket is installed in the flame-retardant layer, the bracket is cross-shaped and has a plurality of positioning grooves at the cross edges, the cable core is installed in the positioning groove, a filler is provided between the cable core and the inner wall of the flame-retardant layer, a rubber plate is fixedly installed between the outer side of the bracket and the inner wall of the flame-retardant layer, the rubber plate is elastic, reinforcement strips are symmetrically fixedly installed on both sides of the rubber plate, a gap is provided between the high-temperature resistant layer and the flame-retardant layer, and a plurality of convex strips are fixedly installed.
2. A high temperature resistant cable according to claim 1, characterized in that: A tensile wire core is installed in the bracket.
3. A high temperature resistant cable according to claim 1, characterized in that: A plurality of positioning grooves are equidistantly arranged in an annular manner on the outside of the bracket.
4. A high temperature resistant cable according to claim 3, characterized in that: The plurality of rubber plates and the plurality of positioning grooves are alternately arranged on the bracket, and both sides of the rubber plates are filled with the filler, which is made of a flame-retardant material.
5. A high temperature resistant cable according to claim 4, characterized in that: One side of the reinforcement strip is arranged obliquely.
6. A high temperature resistant cable according to claim 1, characterized in that: A plurality of the convex strips are fixedly installed in an annular manner at equal intervals between the high temperature resistant layer and the flame retardant layer.