High-temperature cable with anti-extrusion skin

Abstract

The utility model discloses a high-temperature cable with an anti-extrusion skin, and particularly relates to the technical field of cables, the outer wall of a rubber layer is sequentially connected with a plurality of connecting rings from left to right, and a reinforcing anti-compression assembly is arranged between every two adjacent connecting rings; wherein the reinforcing compression-resistant assembly comprises a fiber spiral strip arranged between the two connecting rings, a plurality of arc-shaped fiber inner strips are arranged in the fiber spiral strip, and the arc-shaped fiber inner strips are fixedly connected with the two connecting rings correspondingly; one side of the arc-shaped fiber inner strip is fixedly connected with an arc-shaped fiber outer strip. According to the utility model, by arranging the reinforcing compression-resistant assembly, the fiber reinforcing strips provide arc-shaped support for the arc-shaped fiber outer strips, the arc-shaped fiber inner strips can provide supporting force for the two connecting rings, and the fiber spiral strips can provide spiral supporting force for the outer walls of the connecting rings, so that bending damage caused by serious deformation of the outer wall of the silicone rubber layer due to external extrusion force is avoided; and the durability of the cable is better.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, and more specifically, to a high-temperature cable with an anti-extrusion surface. Background Art

[0002] High temperature cable is a kind of wire that can withstand high temperature. It usually adopts solid core or twisted silver-plated or nickel-plated copper wire, which is a common type of wire. It has the advantages of excellent flame retardancy, aging resistance and long service life. In the existing public literature, the utility model patent of Chinese patent publication number CN211957144U discloses a high temperature cable. The high temperature cable mainly adopts the setting of transparent FEP insulation layer and color FEP insulation layer. The transparent FEP insulation layer can provide good breakdown resistance, and the color FEP insulation layer can provide color for the cable for easy connection, so that the high temperature cable has good breakdown resistance and good recognizability under the premise of small thickness. However, the device still has the following defects:

[0003] During the use of high-temperature cables, once the high-temperature cables are squeezed and bent by external force, they will deform. Over time, the surface will be squeezed and cracked. They are easily damaged after water corrosion. The high-temperature cables have poor anti-extrusion durability. Therefore, a high-temperature cable with anti-extrusion surface is provided. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a high-temperature cable with an anti-extrusion skin.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-temperature cable with an anti-extrusion skin, comprising a rubber layer, wherein the outer wall of the rubber layer is sequentially connected with a plurality of connecting rings from left to right, and a reinforcement and pressure-resistant component is provided between two adjacent connecting rings; the reinforcement and pressure-resistant component comprises a fiber spiral strip arranged between the two connecting rings, and a plurality of arc-shaped fiber inner strips are arranged inside the fiber spiral strip, and the arc-shaped fiber inner strips are respectively fixedly connected with the two connecting rings; an arc-shaped fiber outer strip is fixedly connected to one side of the arc-shaped fiber inner strip, and a fiber reinforcement strip is fixedly connected to one side of the arc-shaped fiber outer strip, and the plurality of connecting rings are integrally formed with the rubber layer by injection molding, and the vertical cross-section shape of the connecting ring is set to a circular ring shape, the connecting ring is made of epoxy resin material, the fiber spiral strip is respectively fixedly connected to the two connecting rings, and the two connecting rings are symmetrically arranged about the arc-shaped fiber inner strip, the center point of the connecting ring and the center point of the high-temperature resistant talc filling layer are on the same horizontal line, and the vertical cross-section of the arc-shaped fiber outer strip is set to a circular arc shape.

[0006] Preferably, the interior of the rubber layer is filled with a high temperature resistant talc filling layer, a plurality of cable copper cores are evenly distributed in a circular ring inside the high temperature resistant talc filling layer, and the plurality of cable copper cores are used for electrical connection.

[0007] According to the above technical scheme, the high-temperature resistant talc filling layer can provide high-temperature resistant protection for multiple cable copper cores, the multiple connecting rings outside the rubber layer can provide reinforcement support, the fiber reinforcement strips provide arc support for the arc-shaped fiber outer strips, the arc-shaped fiber outer strips provide support force for the arc-shaped fiber inner strips, and the fiber spiral strips can provide spiral support force for the outer wall of the connecting ring. In this way, the outside of the rubber layer can provide internal and external reinforcement and anti-extrusion operation, which can prevent the outer wall of the silicone rubber layer from being severely deformed by external extrusion force and causing bending damage.

[0008] Preferably, a silicone rubber layer is fixedly connected to the outside of the connecting ring; a plurality of first wear-resistant rings are installed on the outer wall of the silicone rubber layer in sequence from left to right, a sleeve ring and a second wear-resistant ring are provided on one side of each of the first wear-resistant rings in sequence from left to right, a plurality of wear-resistant resin strips are fixedly connected to one side of the second wear-resistant ring in a circular shape and equidistantly distributed, the first wear-resistant ring and the second wear-resistant ring are integrated with the silicone rubber layer by injection molding, and the outer walls of the first wear-resistant ring and the second wear-resistant ring are polished and ground, the two first wear-resistant rings are symmetrically arranged with the sleeve ring, and the sleeve ring is made of stainless steel.

[0009] According to the above technical solution, the sleeve ring provides support force for the second wear-resistant ring and the first wear-resistant ring, and the smooth outer wall surfaces of the first wear-resistant ring and the connecting ring can contact the ground for wear, providing anti-wear effect for the silicone rubber layer.

[0010] Technical effects and advantages of the utility model:

[0011] 1. By setting up a reinforced compression component, the fiber reinforcement strip provides arc support for the arc fiber outer strip, the arc fiber outer strip provides support for the arc fiber inner strip, the arc fiber inner strip can provide support for the two connecting rings, and the fiber spiral strip can provide spiral support for the outer wall of the connecting ring, so as to avoid the outer wall of the silicone rubber layer from being severely deformed by the external extrusion force and causing bending damage, and the cable is more durable;

[0012] 2. The sleeve ring is used to provide support for the second wear-resistant ring and the first wear-resistant ring. The smooth outer surfaces of the first wear-resistant ring and the connecting ring can contact the ground for wear. At the same time, multiple second wear-resistant rings contact the ground for dragging wear, thereby avoiding movement and wear of the silicone rubber layer and avoiding damage to the silicone rubber layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of a high-temperature cable with an anti-extrusion skin provided by the utility model.

[0014] Figure 2 This is a schematic diagram of the split structure of a high-temperature cable connecting ring with an anti-extrusion surface and a silicone rubber layer of the utility model.

[0015] Figure 3 It is a schematic diagram of the vertical cross-sectional plan structure of a high-temperature cable with a skin anti-extrusion type according to the utility model.

[0016] Figure 4 It is a schematic diagram of the partial structure of the cutoff portion of the connection between the arc-shaped fiber inner strip and the arc-shaped fiber outer strip in a high-temperature cable with an anti-extrusion skin of the utility model.

[0017] Figure 5 This is a schematic diagram of the partial structure of the rubber layer and the fiber spiral strip in a high-temperature cable with an anti-extrusion surface according to the utility model.

[0018] The figures are marked as follows: 1. rubber layer; 2. connecting ring; 3. fiber spiral strip; 4. arc-shaped fiber inner strip; 5. arc-shaped fiber outer strip; 6. fiber reinforcement strip; 7. high temperature resistant talc filling layer; 8. cable copper core; 9. silicone rubber layer; 10. first wear-resistant ring; 11. socket ring; 12. second wear-resistant ring; 13. wear-resistant resin strip. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1:

[0021] As attached Figure 1-4 A high-temperature cable with an anti-extrusion skin is shown. The high-temperature cable with an anti-extrusion skin is provided with a reinforced anti-compression component. The setting of the reinforced anti-compression component enables the fiber spiral strip 3 to provide a spiral support force to the outer wall of the connecting ring 2, thereby preventing the outer wall of the silicone rubber layer 9 from being severely deformed by the external extrusion force and causing bending damage. The cable has better durability. The specific structural setting of the reinforced anti-compression component is as follows:

[0022] In this embodiment, as shown in the attached Figure 1-4As shown, the reinforced compression-resistant component includes a fiber spiral strip 3 arranged between two connecting rings 2, and a plurality of arc-shaped fiber inner strips 4 are arranged inside the fiber spiral strip 3, and the arc-shaped fiber inner strips 4 are respectively fixedly connected to the two connecting rings 2; an arc-shaped fiber outer strip 5 is fixedly connected to one side of the arc-shaped fiber inner strip 4, and a fiber reinforcement strip 6 is fixedly connected to one side of the arc-shaped fiber outer strip 5, and the plurality of connecting rings 2 are integrally formed with the rubber layer 1 by injection molding, and the vertical cross-sectional shape of the connecting ring 2 is set to be a circular ring, and the connecting ring 2 is made of epoxy resin material, and the fiber spiral strip 3 is respectively fixedly connected to the two connecting rings 2, and the two connecting rings 2 are symmetrically arranged about the arc-shaped fiber inner strip 4, and the center point of the connecting ring 2 and the center point of the high-temperature resistant talc filling layer 7 are on the same horizontal line, and the vertical cross-section of the arc-shaped fiber outer strip 5 is set to be an arc;

[0023] When the high-temperature cable with anti-extrusion surface of this embodiment is used, the cable copper core 8 is used to connect the wire bundle, and the high-temperature resistant talc filling layer 7 can provide high-temperature protection for multiple cable copper cores 8. At the same time, multiple connecting rings 2 outside the rubber layer 1 can provide reinforcement support, the fiber reinforcement strip 6 provides arc support for the arc-shaped fiber outer strip 5, the arc-shaped fiber outer strip 5 provides support force for the arc-shaped fiber inner strip 4, the arc-shaped fiber inner strip 4 can provide support force for the two connecting rings 2, and the fiber spiral strip 3 can provide spiral support force for the outer wall of the connecting ring 2. In this way, the outside of the rubber layer 1 can provide internal and external reinforcement and anti-extrusion operation, which can prevent the outer wall of the silicone rubber layer 9 from being severely deformed by the external extrusion force and causing bending damage, thereby improving the external bending resistance of the silicone rubber layer 9, making it difficult to damage the silicone rubber layer 9, and improving the cable durability.

[0024] In this embodiment, as shown in the attached Figure 3-4 As shown, the interior of the rubber layer 1 is filled with a high-temperature resistant talc filling layer 7, and a plurality of cable copper cores 8 are evenly distributed in a circular ring inside the high-temperature resistant talc filling layer 7, and the plurality of cable copper cores 8 are used for electrical connection, so that the high-temperature resistant talc filling layer 7 can provide filling and high-temperature resistance for the outside of the plurality of cable copper cores 8, and the high-temperature resistance effect is better. Secondly, the plurality of cable copper cores 8 can be electrically connected and used.

[0025] Embodiment 2:

[0026] In this embodiment, as shown in the attached Figure 2-5As shown, the outside of the connecting ring 2 is fixedly connected with a silicone rubber layer 9; a plurality of first wear-resistant rings 10 are sequentially installed on the outer wall of the silicone rubber layer 9 from left to right, and a sleeve ring 11 and a second wear-resistant ring 12 are sequentially arranged on one side of each first wear-resistant ring 10 from left to right, and a plurality of wear-resistant resin strips 13 are fixedly connected to one side of the second wear-resistant ring 12 in a circular ring and equidistantly distributed, and the first wear-resistant ring 10 and the second wear-resistant ring 12 are integrally formed with the silicone rubber layer 9 by injection molding, and the outer walls of the first wear-resistant ring 10 and the outer walls of the second wear-resistant ring 12 are polished and ground, and the two first wear-resistant rings 10 are symmetrically arranged with the sleeve ring 11, and the sleeve ring 11 is made of stainless steel;

[0027] According to the above technical solution, when the silicone rubber layer 9 is dragged and moved for laying, the sleeve ring 11 provides support force for the second wear-resistant ring 12 and the first wear-resistant ring 10, and the smooth outer wall surfaces of the first wear-resistant ring 10 and the connecting ring 2 can contact the ground for wear. At the same time, multiple second wear-resistant rings 12 contact the ground to achieve dragging wear, thereby preventing the silicone rubber layer 9 from directly contacting the ground and causing wear, providing an anti-wear effect for the silicone rubber layer 9, and avoiding damage to the silicone rubber layer 9.

[0028] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A high-temperature cable with an anti-extrusion skin, comprising a rubber layer (1), wherein the outer wall of the rubber layer (1) is sequentially connected with a plurality of connecting rings (2) from left to right, characterized in that: A reinforcement and compression-resistant component is provided between two adjacent connection rings (2); The reinforcing and compressive-resistant component comprises a fiber spiral strip (3) arranged between two connecting rings (2), and a plurality of arc-shaped fiber inner strips (4) are arranged inside the fiber spiral strip (3), and the arc-shaped fiber inner strips (4) are respectively fixedly connected to the two connecting rings (2); An arc-shaped fiber outer strip (5) is fixedly connected to one side of the arc-shaped fiber inner strip (4), and a fiber reinforcement strip (6) is fixedly connected to one side of the arc-shaped fiber outer strip (5).

2. A high temperature cable with anti-extrusion skin according to claim 1, characterized in that: The plurality of connecting rings (2) are integrally formed with the rubber layer (1) by injection molding, and the vertical cross-section of the connecting ring (2) is set to be a circular ring. The connecting ring (2) is made of epoxy resin material.

3. The high temperature cable with skin anti-extrusion according to claim 1, characterized in that: The fiber spiral strips (3) are respectively fixedly connected to two connecting rings (2), and the two connecting rings (2) are symmetrically arranged with respect to the arc-shaped fiber inner strip (4).

4. The high temperature cable with anti-extrusion skin according to claim 1, characterized in that: The center point of the connecting ring (2) and the center point of the high temperature resistant talc filling layer (7) are located on the same horizontal line, and the vertical cross section of the arc-shaped fiber outer strip (5) is set to be an arc shape.

5. The high temperature cable with anti-extrusion skin according to claim 1, characterized in that: The interior of the rubber layer (1) is filled with a high-temperature resistant talc filling layer (7), and a plurality of cable copper cores (8) are distributed in a circular ring at equal intervals inside the high-temperature resistant talc filling layer (7), and the plurality of cable copper cores (8) are used for electrical connection.

6. The high temperature cable with anti-extrusion skin according to claim 1, characterized in that: The outside of the connecting ring (2) is fixedly connected to a silicone rubber layer (9); The outer wall of the silicone rubber layer (9) is provided with a plurality of first wear-resistant rings (10) in sequence from left to right, one side of each of the first wear-resistant rings (10) is provided with a sleeve ring (11) and a second wear-resistant ring (12) in sequence from left to right, and one side of the second wear-resistant ring (12) is provided with a plurality of wear-resistant resin strips (13) equidistantly distributed in a circular shape and fixedly connected thereto.

7. The high temperature cable with anti-extrusion skin according to claim 6, characterized in that: The first wear-resistant ring (10) and the second wear-resistant ring (12) are both integrally formed with the silicone rubber layer (9) by injection molding, and the outer wall of the first wear-resistant ring (10) and the outer wall of the second wear-resistant ring (12) are both polished and ground.

8. The high temperature cable with anti-extrusion skin according to claim 6, characterized in that: The two first wear-resistant rings (10) are symmetrically arranged with respect to the sleeve ring (11), and the sleeve ring (11) is made of stainless steel.

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