Flexible tensile general cable construction

Abstract

The application provides a flexible tensile general cable structure, and relates to the technical field of cables, which comprises a protective sleeve and a pulling section, the pulling section is fixedly connected to one end of the protective sleeve, the inner side of the protective sleeve is provided with a sleeve, a cable core filler is arranged between the protective sleeve and the sleeve, the inside of the sleeve is provided with a conductor, the pulling section is composed of a pulling assembly and an extension assembly, the extension assembly is arranged on the inner side of the pulling assembly, and the pulling assembly comprises a middle connector sleeve fixedly connected to one end of the protective sleeve. When the cable is affected by excessive pulling force, the middle connector sleeves at both ends of the pulling section can move away from each other, and then the pulling rod slides out of the inside of the pulling sleeve, so that the distance between the protective sleeves at both ends of the pulling section is extended, and the overall length of the protective sleeve on the outside of the cable can be extended, so that the situation that the cable is locally deformed and damaged due to large pulling force can be avoided when the cable is pulled.

Description

Technical Field

[0001] This invention relates to the field of cable technology, and in particular to a flexible tensile-resistant general-purpose cable structure. Background Technology

[0002] Cables are typically rope-like structures made of several or groups of conductors twisted together. Each group of conductors is insulated from each other and is often twisted around a central core. The entire cable is covered with a highly insulating outer layer, characterized by internal conductivity and external insulation. Currently, cables are not stretchable and have fixed lengths. When cables need to be pulled, they become tangled and cannot be pulled. Furthermore, because the cable length is fixed, excessive stretching can occur under significant external force, leading to localized damage and affecting the cable's normal insulation performance. Therefore, this invention provides a flexible, tensile-resistant, universal cable structure to address this problem and meet the requirements. Summary of the Invention

[0003] To address the technical problem that existing cables suffer localized damage when subjected to excessive tension, thereby affecting their normal insulation performance, this invention provides a flexible, tensile-resistant, universal cable structure.

[0004] The technical solutions provided by the embodiments of the present invention are as follows: This invention provides a flexible tensile-resistant general-purpose cable structure, comprising: a protective sleeve and a pull-out section, wherein the pull-out section is fixedly connected to one end of the protective sleeve, a sleeve is provided inside the protective sleeve, a cable core filler is provided between the protective sleeve and the sleeve, a conductor is provided inside the sleeve, the pull-out section is composed of a pull-out assembly and an extension assembly, the extension assembly is provided inside the pull-out assembly, the pull-out assembly includes a central connecting sleeve fixedly connected to one end of the protective sleeve, and a plurality of bases are fixedly connected to one side of the central connecting sleeve, the plurality of bases being arranged in a circumferential array.

[0005] In a preferred embodiment, one end of each of the plurality of bases is fixedly connected to a pull rod, and an elastic sleeve is sleeved on the outside of the pull rod.

[0006] In a preferred embodiment, a pull sleeve is sleeved on the outer side of the elastic sleeve, and the pull sleeve is slidably connected to the outer side of the pull rod.

[0007] In a preferred embodiment, one end of the pull-out sleeve is fixedly connected to a connector, and the bottom of the connector is fixedly connected to a retaining ring.

[0008] In a preferred embodiment, the extension assembly includes a first extension section fixedly connected to the inner side of the middle sleeve, the first extension section having a U-shaped profile in cross-section.

[0009] In a preferred embodiment, a pull-out section sleeve is fixedly connected to one side of the first extension section, and the fixing ring is fixedly connected to the outside of the pull-out section sleeve.

[0010] In a preferred embodiment, an inner sleeve is fixedly connected to the inner wall of the drawing section sleeve, a second extension is fixedly connected to one side of the inner sleeve, a connecting section is fixedly connected to one end of the second extension, and the inner sleeve is sleeved on the outside of the cable core filler.

[0011] In a preferred embodiment, a reinforcing section is fixedly connected to the inner side of the protective sleeve, the connecting section is fixedly connected to the outer side of the reinforcing section, and the reinforcing section is slidably connected to the inner side of the second extension section.

[0012] In a preferred embodiment, a reinforcing sleeve is fixedly connected to one side of the reinforcing section, and an annular slot is provided on one side of the inner sleeve.

[0013] In a preferred embodiment, the reinforcing sleeve is inserted into the inside of the annular slot.

[0014] The beneficial effects of the technical solutions provided in the embodiments of the present invention include at least the following: In this invention, the pulling assembly allows the intermediate sleeves at both ends of the pulling section to move away from each other when the cable is subjected to excessive tension, thereby allowing the pulling rod to slide out from the inside of the pulling sleeve. This extends the distance between the protective sleeves at both ends of the pulling section, thus extending the overall length of the outer protective sleeve of the cable. This avoids the situation where the cable is subjected to excessive local tension and deformation damage when pulling the cable, and gradually increases the resistance to prevent excessive cable deformation due to continuous extension. The extension assembly also ensures the sealing and insulation performance between the protective sleeve and the pulling assembly, while ensuring the strength at the gap between the protective sleeve and the pulling assembly, and maintaining the overall flexibility of the cable, allowing the cable to still be fully wound up. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural diagram of a flexible tensile-resistant general-purpose cable structure.

[0017] Figure 2 This is a schematic diagram of the end structure of a flexible tensile-resistant general-purpose cable.

[0018] Figure 3 This is a partial structural diagram of a flexible tensile-resistant general-purpose cable structure.

[0019] Figure 4 for Figure 3 Enlarged view of the structure of part A.

[0020] Figure 5 This is a front structural diagram of a flexible tensile-resistant general-purpose cable structure.

[0021] Figure 6 This is a partial structural cross-sectional view of the drawing section.

[0022] Figure 7 for Figure 6 A schematic diagram of the structure of part B.

[0023] Figure 8 This is a schematic diagram of the front structure of the drawing section.

[0024] Figure 9 for Figure 8 Enlarged view of the C-section structure.

[0025] Reference numerals: 1. Protective sleeve; 2. Cable core filler; 3. Sleeve; 4. Conductor; 5. Intermediate sleeve; 6. Base; 7. Pull-out rod; 8. Elastic sleeve; 9. Fixing ring; 10. Connector; 11. Pull-out sleeve; 12. First extension section; 13. Pull-out section sleeve; 14. Inner sleeve; 15. Second extension section; 16. Connecting section; 17. Reinforcing section; 18. Reinforcing insert; 19. Annular slot.

[0026] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiments of the present invention. However, this is only for illustrative purposes and is not intended to limit the present invention to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation

[0027] The technical solutions of the present invention will now be described with reference to the accompanying drawings. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can use other alternative methods to implement some well-known technologies. Furthermore, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit the present invention.

[0028] like Figures 1 to 9As shown, an embodiment of the present invention provides a flexible tensile-resistant general-purpose cable structure, including a protective sleeve 1 and a pull-out section. The surface of the protective sleeve 1 is segmented with cross-linked polyethylene sheaths to improve the performance of the protective sleeve 1. The segmented arrangement also ensures the overall flexibility of the cable. The pull-out section is fixedly connected to one end of the protective sleeve 1. A sleeve 3 is provided inside the protective sleeve 1. A cable core filler 2 is provided between the protective sleeve 1 and the sleeve 3. A conductor 4 is provided inside the sleeve 3. The pull-out section consists of a pull-out assembly and an extension assembly. The extension assembly is located inside the pull-out assembly.

[0029] The pull-out assembly includes a central sleeve 5 fixedly connected to one end of the protective sleeve 1. The central sleeve 5 has an L-shaped cross-sectional profile. Multiple bases 6 are fixedly connected to one side of the central sleeve 5. The multiple bases 6 are arranged in a circumferential array. A pull-out rod 7 is fixedly connected to one end of each of the multiple bases 6. The end of the pull-out rod 7 away from the base 6 has a T-shaped profile. An elastic sleeve 8 is sleeved on the outside of the pull-out rod 7. A pull-out sleeve 11 is sleeved on the outside of the elastic sleeve 8. The pull-out sleeve 11 is slidably connected. On the outside of the pull rod 7, a connector 10 is fixedly connected to one end of the pull sleeve 11, and a fixing ring 9 is fixedly connected to the bottom of the connector 10. Both the pull rod 7 and the pull sleeve 11 are made of relatively soft materials and can be bent. However, when the two ends of the pull rod 7 or the pull sleeve 11 are pulled, the pull rod 7 and the pull sleeve 11 are not easily deformed. The elastic sleeve 8 is made of rubber with good elasticity. The multi-end grooves provided on the outside of the elastic sleeve 8 can make the elastic sleeve 8 bend.

[0030] It should be noted that when pulling the cable, if the cable is tethered and cannot move, excessive pulling force will cause the intermediate sleeves 5 at both ends of the pulling section to move away from each other, thereby causing the pulling rod 7 to slide out from the inside of the pulling sleeve 11. This extends the distance between the protective sleeves 1 at both ends of the pulling section, thus extending the overall length of the outer protective sleeve 1 of the cable. This can prevent the cable from deforming and being damaged due to excessive local tension when pulling the cable. At the same time, when the pulling rod 7 slides out from the inside of the pulling sleeve 11, the T-shaped contour end of the pulling rod 7 can squeeze the elastic sleeve 8. Since the elastic sleeve 8 is an elastic structure and is located inside the pulling sleeve 11, The elastic sleeve 8 is compressed gradually when it is squeezed, which increases the resistance of the pull rod 7 sliding out of the pull sleeve 11. This prevents the pull rod 7 from continuously slipping out when the cable is subjected to a light tension. At the same time, the elastic sleeve 8 will stop compressing after it has been compressed to a certain extent, at which point the pull rod 7 cannot continue to slide out. This prevents the pull rod 7 from sliding out too much and causing the protective sleeve 1 to be displaced for a long time, which would affect the normal use of the cable. In addition, because the elastic sleeve 8 is elastic, when the cable is no longer subjected to tension, the elastic sleeve 8 will gradually deform and recover. With the help of external force, the protective sleeve 1 can be gradually reset, so that the cable can return to its original state.

[0031] Furthermore, the extension assembly includes a first extension section 12 fixedly connected to the inner side of the intermediate sleeve 5. The first extension section 12 has a U-shaped cross-section. A pull-out section sleeve 13 is fixedly connected to one side of the first extension section 12. The first extension section 12 and the pull-out section sleeve 13 are an integral structure. A fixing ring 9 is fixedly connected to the outer side of the pull-out section sleeve 13. An inner sleeve 14 is fixedly connected to the inner wall of the pull-out section sleeve 13. A second extension section 15 is fixedly connected to one side of the inner sleeve 14. The second extension section 15... One end is fixedly connected to a connecting section 16, the inner sleeve 14 is sleeved on the outside of the cable core filler 2, the inner side of the protective sleeve 1 is fixedly connected to a reinforcing section 17, the connecting section 16 is fixedly connected to the outside of the reinforcing section 17, the second extension section 15 and the connecting section 16 are integral structures, the reinforcing section 17 is slidably connected to the inside of the second extension section 15, a reinforcing sleeve 18 is fixedly connected to one side of the reinforcing section 17, an annular slot 19 is opened on one side of the inner sleeve 14, and the reinforcing sleeve 18 is inserted into the inside of the annular slot 19.

[0032] It should be noted that when the two intermediate sleeves 5 move away from each other, the displacement of the intermediate sleeves 5 simultaneously drives the first extension section 12 to move as well. Since the first extension section 12 has a U-shaped cross-section, i.e., a folded shape, the displacement of the intermediate sleeves 5 at this time will change the bending point of the first extension section 12. That is, the length of the first extension section 12 near the intermediate sleeve 5 gradually decreases, and the length near the pull-out section sleeve 13 gradually increases. This ensures that even when the distance between the two intermediate sleeves 5 gradually increases, the connection between the first extension section 12 and the pull-out section sleeve 13 can still be maintained, thus ensuring the sealing and insulation performance of the cable. At the same time, when the protective sleeves 1 at both ends of the pull-out section move away from each other along with the intermediate sleeves 5, the protective sleeves 1 will drive the second extension section 15 and the connecting section 1 through the reinforcing section 17. 6. Changes are made because the second extension section 15 and the connecting section 16 are an integral structure, and are the same as the first extension section 12, both having a U-shaped cross-sectional profile. Therefore, the deformation mode of the second extension section 15 and the connecting section 16 is the same as that of the first extension section 12. This ensures the connection between the protective sleeve 1 and the pull section sleeve 13, guaranteeing sealing and insulation. At the same time, the thickness of the reinforcing section 17 ensures the strength at the gap between the protective sleeve 1 and the pull section. When the reinforcing section 17 is displaced, it will drive the reinforcing sleeve 18 to slide out from the inside of the annular slot 19. This allows the reinforcing sleeve 18 to fill the gap between the reinforcing section 17 and the inner sleeve 14 when the reinforcing section 17 is displaced, ensuring the strength between the protective sleeve 1 and the pull section when the cable is pulled, and preventing collapse and other situations.

[0033] Furthermore, the entire drawing section can be bent, thus ensuring that the cable has good tensile damage resistance while retaining its flexibility, allowing the cable to still be fully wound up.

[0034] The beneficial effects of the technical solutions provided in the embodiments of the present invention include at least the following: In this invention, the pulling assembly enables the intermediate sleeves 5 at both ends of the pulling section to move away from each other when the cable is subjected to excessive tension, thereby allowing the pulling rod 7 to slide out from the inside of the pulling sleeve 11. This extends the distance between the protective sleeves 1 at both ends of the pulling section, thereby extending the overall length of the outer protective sleeve 1 of the cable. This avoids the situation where the cable is subjected to excessive local tension and deformation damage when pulling the cable, and gradually increases the resistance to avoid excessive cable deformation due to continuous extension. The extension assembly ensures the sealing and insulation performance between the protective sleeve 1 and the pulling assembly, while ensuring the strength at the gap between the protective sleeve 1 and the pulling assembly, and also ensures that the cable as a whole still has flexibility, allowing the cable to still be fully wound up.

[0035] This invention encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this invention. To provide the public with a thorough understanding of this invention, specific details are described in detail in the preferred embodiments, while those skilled in the art will fully understand the invention even without these details. Furthermore, to avoid unnecessary misunderstanding of the essence of this invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0036] The above are merely preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A flexible, tensile-resistant general-purpose cable structure, characterized in that, include: The protective sleeve and the pulling section are fixedly connected to one end of the protective sleeve. A sleeve is provided inside the protective sleeve. A cable core filler is provided between the protective sleeve and the sleeve. A conductor is provided inside the sleeve. The pulling section consists of a pulling assembly and an extension assembly. The extension assembly is disposed inside the pulling assembly. The pulling assembly includes a central sleeve fixedly connected to one end of the protective sleeve. Multiple bases are fixedly connected to one side of the central sleeve, and the multiple bases are arranged in a circumferential array.

2. The flexible tensile-resistant general-purpose cable structure according to claim 1, characterized in that, Each of the multiple bases has a pull rod fixedly connected to one end, and an elastic sleeve is sleeved on the outside of the pull rod.

3. The flexible tensile-resistant general-purpose cable structure according to claim 2, characterized in that, A pull sleeve is fitted onto the outer side of the elastic sleeve, and the pull sleeve is slidably connected to the outer side of the pull rod.

4. The flexible tensile-resistant general-purpose cable structure according to claim 3, characterized in that, One end of the pull-out sleeve is fixedly connected to a connector, and the bottom of the connector is fixedly connected to a retaining ring.

5. The flexible tensile-resistant general-purpose cable structure according to claim 4, characterized in that, The extension component includes a first extension section fixedly connected to the inner side of the middle sleeve, the first extension section having a "U" shaped profile in cross-section.

6. The flexible tensile-resistant general-purpose cable structure according to claim 5, characterized in that, A drawing section sleeve is fixedly connected to one side of the first extension section, and the fixing ring is fixedly connected to the outside of the drawing section sleeve.

7. A flexible tensile-resistant general-purpose cable structure according to claim 6, characterized in that, The inner wall of the drawing section sleeve is fixedly connected to an inner sleeve, and a second extension is fixedly connected to one side of the inner sleeve. A connecting section is fixedly connected to one end of the second extension, and the inner sleeve is sleeved on the outside of the cable core filler.

8. The flexible tensile-resistant general-purpose cable structure according to claim 7, characterized in that, The inner side of the protective sleeve is fixedly connected to a reinforcing section, the connecting section is fixedly connected to the outer side of the reinforcing section, and the reinforcing section is slidably connected to the inner side of the second extension section.

9. A flexible tensile-resistant general-purpose cable structure according to claim 8, characterized in that, A reinforcing sleeve is fixedly connected to one side of the reinforcing section, and an annular slot is provided on one side of the inner sleeve.

10. A flexible tensile-resistant general-purpose cable structure according to claim 9, characterized in that, The reinforcing sleeve is inserted into the inside of the annular slot.

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