Bending-resistant cable

Abstract

The utility model belongs to the technical field of cables, and particularly relates to a bending-resistant cable, which comprises a cable main body, an inner pipe is arranged in the cable main body, and an auxiliary module is arranged on the outer wall of the cable main body; the inner pipe comprises a support, a filling layer and an inner core, the support is fixedly connected to the interior of the inner pipe, the filling layer is installed on the inner wall of the support, and the inner core is arranged in the filling layer; the auxiliary module comprises a movable unit and an extension unit, the movable unit is mounted on one side of the auxiliary module, and the extension unit is arranged on the inner wall of the auxiliary module; according to the utility model, the cable main body has a bending-resistant capability, has a relatively high protection effect on itself, is conveniently fixed on the outer wall of the cable main body, can be fixed at different positions according to requirements, is simpler and more convenient to mount and dismount, has a protection function on the inner core, can increase the strength of the inner core, has a fireproof function, can block a fire source, and is convenient to use. And the cable is prevented from being ignited.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a bending-resistant cable. Background Art

[0002] Cable is an electrical energy or signal transmission device, usually composed of several or several groups of wires. Cables include power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, etc. Depending on the usage scenario, the additional functions of various types of cables are also different. In some special usage scenarios, cables are required to have bending resistance. Therefore, a bending-resistant cable is urgently needed.

[0003] In Chinese patent CN202320938548.5, the utility model discloses a bending-resistant cable, including a cable conductor, a mounting sleeve and a heat dissipation layer, the outer surface of the cable conductor is coated with an insulating protective layer, and the outer surface of the insulating protective layer is fixed with a mounting sleeve, the outer surface of the mounting sleeve is fixedly connected with a heat absorption layer, and the outer surface of the heat absorption layer is provided with a heat dissipation layer, the outer surface of the heat dissipation layer is provided with a buffer layer, and the outer surface of the buffer layer is provided with a support column, and the other end of the support column is provided with a wear-resistant layer. The bending-resistant cable is provided with a buffer layer and a support column, so that when the device is impacted, the support force of the support column can support and buffer the wear-resistant layer, thereby reducing the deformation damage of the device caused by the impact force, and the sponge material of the buffer layer can deform it to achieve the purpose of absorbing the bending force, and the elastic properties of the sponge itself can be used to reset and improve the recovery performance of the device.

[0004] Although the existing bend-resistant cables can solve the problems of easy aging and breakage after bending, and the cables have poor resilience and are prone to deformation and damage, the protective effect on the cables themselves is general, and it is difficult to provide good protection for the inner core of the cables. The fire resistance is insufficient, and the cables are easily ignited, posing a safety hazard.

[0005] Therefore, a bending-resistant cable is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a bending-resistant cable to solve the problems raised in the above-mentioned background technology that the protection effect of the cable itself is general, it is difficult to provide a good protection for the inner core of the cable, the fire prevention ability is insufficient, the cable is easily ignited, and there are safety hazards.

[0007] The technical solution adopted by the utility model to solve the technical problem is: a bending-resistant cable, comprising a cable body, an inner tube is installed inside the cable body, and an auxiliary module is arranged on the outer wall of the cable body;

[0008] The inner tube comprises a support, a filling layer and an inner core, the inner tube is fixedly connected with the support, the inner wall of the support is installed with the filling layer, and the inner core is arranged inside the filling layer;

[0009] The auxiliary module includes a movable unit and an extension unit. The movable unit is installed on one side of the auxiliary module, and the extension unit is arranged on the inner wall of the auxiliary module.

[0010] Preferably, the filling layer is made of glass fiber, and the filling layer can limit the inner core.

[0011] Preferably, the movable unit includes a limiting block, a rotating shaft, a movable plate, a fixed plate and a fixing bolt, the right end of the limiting block is fixedly connected to the limiting block, and a rotating shaft passes through the inside of the limiting block, the front side of the rotating shaft is rotatably connected to the movable plate, and the left end of the movable plate is fixedly connected to the fixed plate, and the internal thread of the fixed plate is connected to the fixing bolt.

[0012] Preferably, the extension unit includes a groove, an extension plate, a through hole and a limiting bolt. The auxiliary module has a groove reserved inside, and the groove is slidably connected to the extension plate. The extension plate has a through hole reserved inside, and the through hole is threadedly connected to the limiting bolt.

[0013] Preferably, the extension plate forms a detachable structure with the auxiliary module through limiting bolts, and the extension plate is set in a crescent shape.

[0014] Preferably, the cable body comprises an armor layer and a fireproof layer, the inner wall of the cable body is fixedly connected to the armor layer, and the inner wall of the armor layer is fixedly connected to the fireproof layer.

[0015] Preferably, the armor layer is made of high-strength mesh fiber material, and the fireproof layer is made of fireproof Oxford cloth material.

[0016] The utility model is beneficial in that:

[0017] 1. The utility model adopts the cooperation between the cable body and the auxiliary module to make the cable body resistant to bending and has a high protective effect on itself. It is convenient to fix on the outer wall of the cable body and can be fixed in different positions according to needs. The installation and disassembly are easier. The auxiliary module can extend the length and cover a longer cable body, thereby improving the bending resistance of the cable body. The extension plate can be selected according to needs. When it is not needed, it can be disassembled by the limit bolts to reduce resource waste.

[0018] 2. The utility model adopts a filling layer that cooperates with the cable body and the inner tube, which has the advantages of good insulation, strong heat resistance, good corrosion resistance, and high mechanical strength. It has a protective function for the inner core. The bracket can increase the strength of the inner core to prevent damage to the inner core caused by multiple bending. It has a protective effect, protects the inner core, and prevents the inner core from being damaged. The armor layer can lift the cable body to prevent the cable body from being broken due to multiple bending. The fireproof layer can block the fire source to prevent the cable from being ignited. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model as a whole viewed from the front;

[0021] Figure 2 This is a schematic diagram of the explosion structure of the auxiliary module of the utility model;

[0022] Figure 3 This is a schematic diagram of the expanded structure of the auxiliary module of the utility model;

[0023] Figure 4 This is a schematic diagram of the internal structure of the cable body of the utility model.

[0024] In the figure: 1. cable body; 101. armor layer; 102. fireproof layer; 2. inner tube; 201. bracket; 202. filling layer; 203. inner core; 3. auxiliary module; 301. limit block; 302. rotating shaft; 303. movable plate; 304. fixing plate; 305. fixing bolt; 306. groove; 307. extension plate; 308. through hole; 309. limit bolt. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figures 1 to 4As shown, a bending-resistant cable includes a cable body 1, an inner tube 2 is installed inside the cable body 1, and an auxiliary module 3 is arranged on the outer wall of the cable body 1; the inner tube 2 includes a bracket 201, a filling layer 202 and an inner core 203, the inner part of the inner tube 2 is fixedly connected with the bracket 201, the inner wall of the bracket 201 is installed with the filling layer 202, and the inner core 203 is arranged inside the filling layer 202; the auxiliary module 3 includes a movable unit and an extension unit, the movable unit is installed on one side of the auxiliary module 3, and the inner wall of the auxiliary module 3 is arranged with the extension unit. Through such an arrangement, the cable body 1 has the ability to resist bending and has a higher protection effect on itself.

[0027] The filling layer 202 is made of glass fiber, and the filling layer 202 can limit the inner core 203. Through such a setting, the filling layer 202 has the advantages of good insulation, strong heat resistance, good corrosion resistance, and high mechanical strength. It has a protective function for the inner core 203. The bracket 201 can increase the strength of the inner core 203 and prevent multiple bendings from causing damage to the inner core 203.

[0028] The movable unit includes a limit block 301, a rotating shaft 302, a movable plate 303, a fixed plate 304 and a fixing bolt 305. The right end of the limit block 301 is fixedly connected to the limit block 301, and the internal part of the limit block 301 is penetrated by the rotating shaft 302. The front side of the rotating shaft 302 is rotatably connected to the movable plate 303, and the left end of the movable plate 303 is fixedly connected to the fixed plate 304, and the internal thread of the fixed plate 304 is connected to the fixing bolt 305. Through such an arrangement, it is convenient to fix to the outer wall of the cable body 1, and can be fixed in different positions according to needs, and installation and disassembly are easier.

[0029] The extension unit includes a groove 306, an extension plate 307, a through hole 308 and a limiting bolt 309. A groove 306 is reserved inside the auxiliary module 3, and the extension plate 307 is slidably connected inside the groove 306. A through hole 308 is reserved inside the extension plate 307, and the internal thread of the through hole 308 is connected to the limiting bolt 309. Through such a setting, the length of the auxiliary module 3 can be extended to cover a longer cable body 1, thereby improving the bending resistance of the cable body 1.

[0030] The extension plate 307 forms a detachable structure with the auxiliary module 3 through the limiting bolts 309, and the extension plate 307 is set in a crescent shape. Through such a setting, whether the extension plate 307 is needed can be selected according to needs. When it is not needed, it can be disassembled through the limiting bolts 309 to reduce resource waste.

[0031] The cable body 1 includes an armor layer 101 and a fireproof layer 102. The inner wall of the cable body 1 is fixedly connected to the armor layer 101, and the inner wall of the armor layer 101 is fixedly connected to the fireproof layer 102. Through such an arrangement, it has a protective effect, protects the inner core 203, and prevents the inner core 203 from being damaged.

[0032] The armor layer 101 is made of high-strength mesh fiber material, and the fireproof layer 102 is made of fireproof Oxford cloth material. Through such a setting, the armor layer 101 can lift the cable body 1 to prevent the cable body 1 from breaking due to multiple bending, and the fireproof layer 102 can block the fire source to prevent the cable from being ignited.

[0033] Working principle: First, after the cable body 1 is connected to the device, the cable is routed and the auxiliary module 3 is installed at the position where bending is required. The auxiliary module 3 is first opened by the rotating shaft 302, and the auxiliary module 3 is clamped on the outer wall of the cable body 1. Then the auxiliary module 3 is closed and fixed by the fixing bolt 305. If the bending position is long, loosen the limit bolt 309 and pull out the extension plate 307. When the through hole 308 at the bottom of the extension plate 307 is aligned with the limit bolt 309, tighten the limit bolt 309 to fix the extension plate 307.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A bending-resistant cable, comprising a cable body (1), characterized in that: An inner tube (2) is installed inside the cable body (1), and an auxiliary module (3) is arranged on the outer wall of the cable body (1); The inner tube (2) comprises a support (201), a filling layer (202) and an inner core (203); the support (201) is fixedly connected to the interior of the inner tube (2), the filling layer (202) is installed on the inner wall of the support (201), and the inner core (203) is arranged inside the filling layer (202); The auxiliary module (3) comprises a movable unit and an extension unit; the movable unit is installed on one side of the auxiliary module (3), and the extension unit is arranged on the inner wall of the auxiliary module (3).

2. A bending-resistant cable according to claim 1, characterized in that: The filling layer (202) is made of glass fiber material, and the filling layer (202) can limit the position of the inner core (203).

3. The bending-resistant cable according to claim 1, characterized in that: The movable unit comprises a limit block (301), a rotating shaft (302), a movable plate (303), a fixed plate (304) and a fixing bolt (305); the right end of the limit block (301) is fixedly connected to the limit block (301), and the limit block (301) is penetrated by the rotating shaft (302); the front side of the rotating shaft (302) is rotatably connected to the movable plate (303), and the left end of the movable plate (303) is fixedly connected to the fixed plate (304), and the fixing bolt (305) is threadedly connected to the inside of the fixed plate (304).

4. The bending-resistant cable according to claim 1, characterized in that: The extension unit comprises a groove (306), an extension plate (307), a through hole (308) and a limiting bolt (309); the auxiliary module (3) has a groove (306) reserved inside, and the groove (306) is slidably connected to the extension plate (307); the extension plate (307) has a through hole (308) reserved inside, and the through hole (308) is threadedly connected to the limiting bolt (309) inside.

5. The bending-resistant cable according to claim 4, characterized in that: The extension plate (307) forms a detachable structure with the auxiliary module (3) via a limiting bolt (309), and the extension plate (307) is arranged in a crescent shape.

6. The bending-resistant cable according to claim 1, characterized in that: The cable body (1) comprises an armor layer (101) and a fireproof layer (102); the inner wall of the cable body (1) is fixedly connected to the armor layer (101), and the inner wall of the armor layer (101) is fixedly connected to the fireproof layer (102).

7. A bending-resistant cable according to claim 6, characterized in that: The armor layer (101) is made of high-strength mesh fiber material, and the fireproof layer (102) is made of fireproof Oxford cloth material.

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