Bending-resistant cable

Abstract

The utility model discloses a bending-resistant cable comprising an elastic cylinder, the outer end of the elastic cylinder is provided with a connecting rod, the outer side of the connecting rod is provided with a connecting plate, the outer end of the connecting rod is provided with a limiting block, and the outer side of the limiting block is provided with a positioning rod; the connecting assembly is arranged at the outer end of the limiting block, the connecting assembly comprises a connecting block, a connecting bolt and a mounting plate, a positioning block is arranged at the inner end of the connecting assembly, filler is mounted at the outer end of the connecting assembly, and a protective inner shell is arranged at the outer end of the filler; the reinforcing block is arranged at the outer end of the protective inner shell, a protective outer shell is arranged at the outer end of the reinforcing block, a flame-retardant sleeve is installed at the outer end of the protective outer shell, and a wear-resistant sleeve is installed at the outer end of the flame-retardant sleeve. According to the bending-resistant cable, the bending resistance of the cable can be improved conveniently, meanwhile, multiple different cable wires in the cable can be limited at equal intervals conveniently, and the cable wires can be prevented from being wound in the cable.

Description

Technical Field

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

[0002] When the cable is put into use during construction, it needs to be straightened or bent according to the internal structure of the pipeline. The existing cables may crack after bending, making the cables unusable. Therefore, it is very important to design a new type of bending-resistant cable, such as:

[0003] The Chinese patent authorization publication number CN214203244U is a cable head insulation glue reinforced cable, including a cable branch head, a wire core is connected to the top of the cable branch head, and the outside of the wire core is wrapped with an insulation tape, the outside of the insulation tape is wrapped with asphalt insulation glue, and the outside of the asphalt insulation glue is connected to a sealing tube, the top of the sealing tube is connected to a terminal, and the bottom of the terminal is internally connected to the wire core, a limited separation terminal is installed on the outside of the sealing tube, and the bottom of the sealing tube is externally connected to a connection cover, and the bottom of the connection cover is externally connected to a sealing lower cover, and the sealing lower cover is located above the outer side of the cable branch head. The cable head insulation glue reinforced cable can provide multiple insulation protection for the wire core in the sealing tube, improve the insulation effect, reinforce the insulation glue position of the cable head, and improve the insulation performance of the cable head.

[0004] However, the above-mentioned prior art solutions have the following defects: it is not convenient to improve the bending resistance of the cable, and it is not convenient to equidistantly limit the various cable wires inside the cable, and it is difficult to avoid the cable wires from getting entangled inside. Therefore, the utility model provides a bending-resistant cable to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a bending-resistant cable to solve the problem that it is not convenient to improve the bending resistance of the cable and it is not convenient to limit the different cable wires inside the cable at equal distances, so it is difficult to avoid the cable wires from getting entangled inside.

[0006] To achieve the above object, the utility model provides the following technical solution: a bending-resistant cable, comprising:

[0007] An elastic cylinder, wherein a connecting rod is disposed at the outer end of the elastic cylinder, a connecting plate is disposed at the outer side of the connecting rod, a limiting block is disposed at the outer end of the connecting rod, and a positioning rod is installed at the outer side of the limiting block;

[0008] A connecting assembly is arranged at the outer end of the limiting block, and the connecting assembly includes a connecting block, a connecting bolt and a mounting plate, and a positioning block is arranged at the inner end of the connecting assembly, a filling material is installed at the outer end of the connecting assembly, and a protective inner shell is arranged at the outer end of the filling material;

[0009] A reinforcement block is arranged at the outer end of the protective inner shell, and a protective outer shell is arranged at the outer end of the reinforcement block, a flame retardant sleeve is installed at the outer end of the protective outer shell, and a wear-resistant sleeve is installed at the outer end of the flame retardant sleeve.

[0010] Preferably, the connecting rods are arranged at equal angles with respect to the center of the elastic tube, and the connecting rods and the limiting blocks are arranged in a one-to-one correspondence.

[0011] Preferably, the connecting plate is in a triangular structure, and is disposed symmetrically about the central axis of the connecting rod.

[0012] Preferably, the limit blocks are alternately connected to the positioning rods, and the limit blocks are in a "C" shape.

[0013] Preferably, a connecting block is installed at the outer end of the positioning rod, and a connecting bolt is connected to the inner end of the connecting block, and a mounting plate is provided at the outer end of the connecting bolt.

[0014] Preferably, the connecting bolt is relatively threadedly connected to the connecting block and the mounting plate, and the mounting plate is relatively snap-fittedly connected to the positioning rod via the positioning block.

[0015] Preferably, the protective inner shell is a triangular structure, and the protective inner shell is arranged at equal angles with respect to the center of the reinforcement block.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the bending-resistant cable is convenient for improving the bending resistance of the cable, and at the same time, it is convenient for equidistant positioning of various cable wires inside the cable, so as to prevent the cable wires from being entangled inside;

[0017] A connecting assembly, a positioning block and a positioning rod are provided, which are relatively threadedly connected to the connecting block and the mounting plate through a connecting bolt, and the mounting plate and the positioning rod are relatively snap-fitted and connected through the positioning block, so as to facilitate equidistant positioning of various cable wires inside the cable, and to facilitate avoiding entanglement of the cable wires inside;

[0018] An elastic tube, a connecting rod and a connecting plate are provided. The connecting rod is arranged at equal angles with respect to the center of the elastic tube, and the connecting rod is arranged one-to-one with the limit block. The connecting plate is in a triangular structure, and the connecting plate is arranged symmetrically with respect to the central axis of the connecting rod, so that the overall internal stability of the cable is enhanced.

[0019] A protective inner shell, a reinforcement block and a filler are provided, which are alternately connected with the positioning rod through a limit block, and the limit block is in a "C" shape. The protective inner shell has a triangular structure, and the protective inner shell is arranged at equal angles with respect to the center of the reinforcement block, so as to improve the bending resistance of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the overall structure of the connection between the connecting rod and the connecting plate of the utility model;

[0022] Figure 3 This is a schematic diagram of the overall structure of the protective inner shell and the reinforcement block connected to the utility model;

[0023] Figure 4 This is a schematic diagram of the overall structure of the connection assembly and the positioning rod of the utility model;

[0024] Figure 5 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0025] In the figure: 1. elastic tube; 2. connecting rod; 3. connecting plate; 4. limiting block; 5. positioning rod; 6. connecting assembly; 601. connecting block; 602. connecting bolt; 603. mounting plate; 7. positioning block; 8. filling material; 9. protective inner shell; 10. reinforcement block; 11. protective outer shell; 12. flame retardant sleeve; 13. wear-resistant sleeve. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-5The utility model provides a technical solution: a bending-resistant cable, comprising: an elastic tube 1, a connecting rod 2 is arranged at the outer end of the elastic tube 1, and a connecting plate 3 is arranged on the outer side of the connecting rod 2, a limiting block 4 is arranged at the outer end of the connecting rod 2, and a positioning rod 5 is installed on the outer side of the limiting block 4; a connecting assembly 6, which is arranged at the outer end of the limiting block 4, and the connecting assembly 6 includes a connecting block 601, a connecting bolt 602 and a mounting plate 603, and a positioning block 7 is arranged at the inner end of the connecting assembly 6, a filling material 8 is installed at the outer end of the connecting assembly 6, and a protective inner shell 9 is arranged at the outer end of the filling material 8; a reinforcing block 10, which is arranged at the outer end of the protective inner shell 9, and a protective outer shell 11 is arranged at the outer end of the reinforcing block 10, a flame-retardant sleeve 12 is installed at the outer end of the protective outer shell 11, and a wear-resistant sleeve 13 is installed at the outer end of the flame-retardant sleeve 12, which are combined to form a bending-resistant cable.

[0028] like Figure 1 , Figure 4 and Figure 5 As shown, the connecting bolt 602 is relatively threadedly connected to the connecting block 601 and the mounting plate 603, and the mounting plate 603 is relatively engaged with the positioning rod 5 through the positioning block 7. The cable wire is placed on the inner end of the positioning rod 5, so that the mounting plate 603 is engaged to the outside of the cable wire, and the positioning block 7 at the inner end of the mounting plate 603 is engaged with the positioning rod 5. The connecting bolt 602 is tightened, so that the mounting plate 603 and the connecting block 601 are connected through the connecting bolt 602, which is convenient for equidistant limiting of various cable wires inside the cable to avoid entanglement inside.

[0029] like Figure 1 , Figure 2 and Figure 3 As shown, the connecting rod 2 is set at an equal angle with respect to the center of the elastic tube 1, and the connecting rod 2 and the limit block 4 are set one by one, the connecting plate 3 is in a triangular structure, and the connecting plate 3 is symmetrically set about the central axis of the connecting rod 2, the limit block 4 is alternately connected with the positioning rod 5, and the limit block 4 is in a "C" shape, the protective inner shell 9 is in a triangular structure, and the protective inner shell 9 is set at an equal angle with respect to the center of the reinforcement block 10, the connecting rod 2 is set at an equal angle with respect to the center of the elastic tube 1, and the connecting plate 3 is in a triangular structure distributed at the outer end of the connecting rod 2, when the connecting rod 2 and the limit block 4 are in a one-to-one correspondence, the two adjacent limit blocks 4 are stably connected by the positioning rod 5, the protective inner shell 9 surrounds the outer end of the filler 8, and the protective inner shell 9 is in a triangular structure, so that the overall internal stability of the composed cable is enhanced, which is convenient for improving the bending resistance of the cable. This is the method of using the bending-resistant cable.

[0030] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0031] 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 bending-resistant cable, characterized in that: include: An elastic tube (1), wherein a connecting rod (2) is provided at the outer end of the elastic tube (1), and a connecting plate (3) is provided on the outer side of the connecting rod (2); a limiting block (4) is provided at the outer end of the connecting rod (2), and a positioning rod (5) is installed on the outer side of the limiting block (4); A connecting assembly (6) is arranged at the outer end of the limiting block (4), and the connecting assembly (6) comprises a connecting block (601), a connecting bolt (602) and a mounting plate (603), and a positioning block (7) is arranged at the inner end of the connecting assembly (6), a filling material (8) is installed at the outer end of the connecting assembly (6), and a protective inner shell (9) is arranged at the outer end of the filling material (8); A reinforcement block (10) is arranged at the outer end of the protective inner shell (9), and a protective outer shell (11) is arranged at the outer end of the reinforcement block (10), a flame retardant sleeve (12) is installed at the outer end of the protective outer shell (11), and a wear-resistant sleeve (13) is installed at the outer end of the flame retardant sleeve (12).

2. A bending-resistant cable according to claim 1, characterized in that: The connecting rods (2) are arranged at equal angles with respect to the center of the elastic tube (1), and the connecting rods (2) and the limit blocks (4) are arranged in a one-to-one correspondence.

3. A bending-resistant cable according to claim 1, characterized in that: The connecting plate (3) has a triangular structure, and the connecting plate (3) is arranged symmetrically with respect to the central axis of the connecting rod (2).

4. A bending-resistant cable according to claim 1, characterized in that: The limit blocks (4) are alternately connected to the positioning rods (5), and the limit blocks (4) are in a "C" shape.

5. The bending-resistant cable according to claim 1, characterized in that: A connecting block (601) is installed at the outer end of the positioning rod (5), a connecting bolt (602) is connected to the inner end of the connecting block (601), and a mounting plate (603) is provided at the outer end of the connecting bolt (602).

6. The bending-resistant cable according to claim 1, characterized in that: The connecting bolt (602) is relatively threadedly connected to the connecting block (601) and the mounting plate (603), and the mounting plate (603) is relatively snap-fittedly connected to the positioning rod (5) via the positioning block (7).

7. The bending-resistant cable according to claim 1, characterized in that: The protective inner shell (9) has a triangular structure, and the protective inner shell (9) is arranged at equal angles with respect to the center of the reinforcement block (10).

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