Special cable with good tensile property

Abstract

The utility model discloses a special cable with good tensile property, which relates to the technical field of cable processing, and comprises a cable core, an insulating sleeve is arranged on the outer wall of the cable core, a fireproof layer is arranged on the outer wall of the insulating sleeve, ribs are arranged on the inner wall of the fireproof layer, a sheath is arranged on the outer wall of the fireproof layer, and the outer wall of the sheath is provided with a sheath. And an anti-falling mechanism is mounted on the outer wall of the sheath. According to the utility model, the ribs are arranged and distributed in the annular array by taking the central axis of the fireproof layer as the center, when the device is used, the ribs play a role in protecting the internal cable core, the ribs have relatively high tensile resistance and non-deformability, and the annular array distribution mode enables the special cable to be not prone to deformation when the special cable is stretched by external force, so that the special cable is not prone to deformation. Pressure is evenly distributed, stretching and deformation of the special cable in the installation and use process are effectively restrained, the problems of damage and breakage of the special cable due to the fact that the special cable is high in pulling strength and long in use time are solved, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable processing, in particular to a special cable with good tensile resistance. Background Art

[0002] Special cables are cables with special purposes that can be used in specific occasions. However, existing special cables are easily stretched by external forces when in use, causing the special cables to bend, deform, break, and affect their use. In addition, special cables are easily pulled when connected, causing the connection to fall off. Therefore, a special cable with good tensile resistance is needed.

[0003] An existing special cable has problems such as poor heat insulation effect, poor tensile strength and inability to prevent falling off when connected to an external port during operation. Therefore, a special cable with good tensile strength is urgently needed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a special cable with good tensile strength to solve the problems of poor heat insulation, poor tensile strength and inability to prevent falling off when connected to an external port in the existing special cables.

[0005] To achieve the above object, the utility model provides the following technical solution: a special cable with good tensile strength, comprising a cable core, an insulating sleeve is installed on the outer wall of the cable core, and a fireproof layer is installed on the outer wall of the insulating sleeve.

[0006] The inner wall of the fireproof layer is provided with ribs.

[0007] The outer wall of the fireproof layer is provided with a sheath, and the outer wall of the sheath is provided with an anti-falling mechanism.

[0008] Preferably, the insulating sleeve is made of polyethylene material, has good electrical performance, and is resistant to water and moisture.

[0009] Preferably, the fireproof layer is composed of a phenolic resin composite material layer, which has high heat resistance and can maintain the stability of its physical and chemical properties at higher temperatures.

[0010] Preferably, the ribs are distributed in a ring array with the central axis of the fireproof layer as the center, and have strong tensile resistance and greater elasticity.

[0011] Preferably, the anti-falling mechanism comprises a connecting sleeve, an electrical connector and a fixing sleeve, the outer wall of the sleeve is mounted with the connecting sleeve, the inner wall of the connecting sleeve is mounted with the electrical connector, and the outer wall of the connecting sleeve is mounted with the fixing sleeve.

[0012] Preferably, the connecting sleeve and the fixing sleeve are movably connected, and the inner wall of the fixing sleeve is threaded.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model provides a fireproof layer, which is mainly composed of a phenolic resin composite material layer. The phenolic resin is used as a base material and is often combined with reinforcing fibers, glass fibers, carbon fibers, silicon fibers, and quartz fibers to form a composite material. The composite material has excellent high temperature resistance, good mechanical strength, excellent manufacturing flexibility, and strong applicability.

[0015] 2. The utility model provides ribs that are distributed in a circular array with the central axis of the fireproof layer as the center. When the device is in use, the ribs protect the internal cable core. The ribs have strong tensile and deformation resistance. The circular array distribution setting mode allows the special cable to evenly distribute the pressure when it is stretched by external force, effectively suppressing the stretching and deformation of the special cable during installation and use, avoiding the damage and breakage of the special cable due to the pulling strength and long use time, and increasing the practicality of the device;

[0016] 3. The utility model has an anti-falling mechanism, and the connecting sleeve and the fixing sleeve are movably connected. When using the device, the electric connector is aligned with the external plug, and then the fixing sleeve is rotated and fixed with the external port thread to ensure the stability of the special cable connection, avoid the interface from loosening or falling off due to external force, thereby affecting the use effect, and increase the connection stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model from the front;

[0018] Figure 2 It is a schematic structural diagram of the cross-section of the internal components of the utility model;

[0019] Figure 3 This is a schematic diagram showing the structure of the cable body of the utility model when it is disassembled;

[0020] Figure 4 It is a structural schematic diagram of the anti-falling mechanism of the utility model.

[0021] In the figure: 1, cable core; 2, insulating sleeve; 3, fireproof layer; 4, ribs; 5, sheath; 6, anti-falling mechanism; 601, connecting sleeve; 602, electrical connector; 603, fixing sleeve. DETAILED DESCRIPTION

[0022] 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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0023] The following describes an embodiment of the utility model based on its overall structure.

[0024] See also Figure 1-4 A special cable with good tensile strength comprises a cable core 1, an insulating sleeve 2 is installed on the outer wall of the cable core 1, a fireproof layer 3 is installed on the outer wall of the insulating sleeve 2, the insulating sleeve 2 is made of polyethylene material, has good electrical performance, and has water resistance and moisture resistance, the fireproof layer 3 is composed of a phenolic resin composite material layer, has high heat resistance, and can maintain the stability of its physical and chemical properties at high temperatures, through the set fireproof layer 3, the fireproof layer 3 is mainly composed of a phenolic resin composite material layer, with phenolic resin as the base material, often with reinforcing fiber, glass fiber, carbon fiber, silicon fiber, quartz fiber to form a composite material, has excellent high temperature resistance, and has good mechanical strength and excellent manufacturing elasticity, and strong applicability.

[0025] See also Figure 1-4 A special cable with good tensile strength, the inner wall of the fireproof layer 3 is installed with ribs 4, the ribs 4 are distributed in a ring array with the central axis of the fireproof layer 3 as the center, and have strong tensile strength and large elasticity. Through the set ribs 4, the ribs 4 are distributed in a ring array with the central axis of the fireproof layer 3 as the center. When the device is used, the setting of the ribs 4 protects the internal cable core 1. The ribs 4 have strong tensile and deformation resistance. The ring array distribution setting method makes the special cable evenly distribute the pressure when it is stretched by external force, effectively suppressing the stretching and deformation of the special cable during installation and use, avoiding the damage and breakage of the special cable due to pulling strength and long use time, and increasing the practicality of the device.

[0026] See also Figure 1-4A special cable with good tensile strength, a sheath 5 is installed on the outer wall of the fireproof layer 3, and an anti-falling mechanism 6 is installed on the outer wall of the sheath 5. The anti-falling mechanism 6 includes a connecting sleeve 601, an electric connector 602 and a fixing sleeve 603. The outer wall of the sheath 5 is installed with a connecting sleeve 601, and the inner wall of the connecting sleeve 601 is installed with an electric connector 602. The outer wall of the connecting sleeve 601 is installed with a fixing sleeve 603. The connecting sleeve 601 and the fixing sleeve 603 are movably connected. The inner wall of the fixing sleeve 603 is threaded. Through the anti-falling mechanism 6, the connecting sleeve 601 and the fixing sleeve 603 are movably connected. When using the device, align the electric connector 602 with the external plug, and then rotate the fixing sleeve 603 to fix it with the external port thread, to ensure the stable connection of the special cable, avoid loosening of the interface or pulling and falling off due to external force, thereby affecting the use effect and increasing the connection stability of the device.

[0027] Working principle: When in use, first move the device to the desired position, and then wrap the outer wall of the cable core 1 with the insulating sleeve 2, and the insulating sleeve 2 is made of polyethylene material, has good electrical performance, and is resistant to water and moisture. Then wrap the outer wall of the insulating sleeve 2 with a fireproof layer 3. The fireproof layer 3 is mainly composed of a phenolic resin composite material layer. It takes phenolic resin as the base material and is often formed with reinforcing fiber, glass fiber, carbon fiber, silicon fiber, and quartz fiber to form a composite material. It has excellent high temperature resistance, good mechanical strength and excellent manufacturing elasticity, and strong applicability. Then, the ribs 4 are arranged inside the fireproof layer 3. The ribs 4 are distributed in a circular array with the central axis of the fireproof layer 3 as the center. When the device is in use, the ribs 4 are arranged to protect the internal cable core 1. Function, the rib 4 has strong anti-stretching and anti-deformation capabilities, and its annular array distribution setting mode makes the special cable evenly distribute the pressure when it is stretched by external force, effectively suppressing the stretching and deformation caused by the special cable during installation and use, avoiding the damage and breakage of the special cable due to pulling strength and long use time, and increasing the practicality of the device. Finally, align the electrical connector 602 with the external plug, and then fix it with the external port thread by rotating the fixing sleeve 603 to ensure the stable connection of the special cable, avoid loosening of the interface or pulling off by external force, thereby affecting the use effect, and increase the connection stability of the device. In this way, the use process of the device is completed. The content not described in detail in this manual belongs to the existing technology known to professional and technical personnel in this field.

[0028] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A special cable with good tensile strength, comprising a cable core (1), characterized in that: The outer wall of the cable core (1) is provided with an insulating sleeve (2), and the outer wall of the insulating sleeve (2) is provided with a fireproof layer (3); The inner wall of the fireproof layer (3) is provided with ribs (4); The outer wall of the fireproof layer (3) is installed with a sheath (5), and the outer wall of the sheath (5) is installed with an anti-falling mechanism (6).

2. A special cable with good tensile strength according to claim 1, characterized in that: The insulating sleeve (2) is made of polyethylene material, has good electrical performance, and is water-resistant and moisture-resistant.

3. A special cable with good tensile strength according to claim 1, characterized in that: The fireproof layer (3) is composed of a phenolic resin composite material layer, has high heat resistance, and can maintain the stability of its physical and chemical properties at a relatively high temperature.

4. A special cable with good tensile strength according to claim 1, characterized in that: The ribs (4) are distributed in a ring array with the central axis of the fireproof layer (3) as the center, and have strong tensile resistance and greater elasticity.

5. A special cable with good tensile strength according to claim 1, characterized in that: The anti-falling mechanism (6) comprises a connecting sleeve (601), an electrical connector (602) and a fixing sleeve (603); the connecting sleeve (601) is installed on the outer wall of the protective sleeve (5); the electrical connector (602) is installed on the inner wall of the connecting sleeve (601); and the fixing sleeve (603) is installed on the outer wall of the connecting sleeve (601).

6. A special cable with good tensile strength according to claim 5, characterized in that: The connecting sleeve (601) and the fixing sleeve (603) are movably connected, and the inner wall of the fixing sleeve (603) is threaded.

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