Plastic insulating flame-retardant anti-interference control cable

Abstract

The utility model discloses a plastic insulating flame-retardant anti-interference control cable, which comprises an inner protective sleeve and five groups of cable cores positioned in the inner protective sleeve, a shielding layer is arranged on the outer surface of the inner protective sleeve, an insulating layer is arranged on the outer surface of the shielding layer, a high-temperature-resistant layer is arranged on the outer surface of the insulating layer, and a protective assembly is arranged on the outer surface of the high-temperature-resistant layer. The cable protection device has the beneficial effects that through the cooperative design of the protection assembly and the limiting assembly, the cable can be efficiently protected from the inside and outside of the cable, the situation that the cable is broken and damaged due to treading of pedestrians when the cable is placed on the ground is prevented, the strength of the cable is improved, the cable can be suitable for more scenes, and the service life of the cable is prolonged. And the practicability of the cable is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of control cables, in particular to a plastic insulated flame-retardant and anti-interference control cable. Background Art

[0002] Control cables are PVC insulated and PVC sheathed control cables suitable for industrial and mining enterprises, energy and transportation departments, and for control and protection of lines with rated voltages below 450 / 750 volts. Power cables are used to transmit and distribute high-power electric energy in the main line of the power system, while control cables transmit electric energy directly from the distribution point of the power system to the power connection lines of various electrical equipment. However, when existing cables are installed in places where pedestrians need to pass, they will be stepped on by pedestrians or subjected to other physical impacts, which can easily damage the cables, causing signal interruption and short circuit.

[0003] Currently, no effective solution has been proposed for the problems in the related technologies. Summary of the invention

[0004] In view of the problems in the related technology, the utility model proposes a plastic insulated flame-retardant anti-interference control cable to overcome the above technical problems existing in the existing related technology.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] A plastic insulated flame-retardant anti-interference control cable comprises an inner protective sheath and five groups of cable cores located in the inner protective sheath, the outer surface of the inner protective sheath is provided with a shielding layer, the outer surface of the shielding layer is provided with an insulating layer, the outer surface of the insulating layer is provided with a high-temperature resistant layer, and the outer surface of the high-temperature resistant layer is provided with a protective component.

[0007] Preferably, the protection component includes a protective ring 1 and a protective ring 2 which are sleeved on the outer surface of the high temperature resistant layer, and the protective ring 1 and the protective ring 2 are provided with a connecting block 1 and a connecting block 2 at one end close to each other.

[0008] Preferably, an insert block extending to the connecting block 2 is symmetrically arranged at the bottom end of the connecting block 1, and a socket matching the insert block is arranged at the top end of the connecting block 2.

[0009] Preferably, symmetrically arranged limit blocks are provided on both sides of the insert block, and limit grooves matching the limit blocks are provided on both sides of the insert hole.

[0010] Preferably, a limiting assembly connected to the limiting block is provided in the connecting block 2.

[0011] Preferably, the limit assembly includes a circular disc arranged transversely in the second connecting block, the outer wall of the circular disc is provided with a circular groove, an L-shaped rod extending outward is provided in the circular groove, a travel groove is provided on one side of the top end of the L-shaped rod, an L-shaped movable rod extending outward is provided in the travel groove, one end of the L-shaped movable rod is provided with an insertion strip extending into the limit block, and through holes matching the insertion strip are provided on both sides of the limit block.

[0012] Preferably, a rotating shaft connected to the second connecting block is provided at the bending part of the L-shaped rod, a threaded rod penetrating the disc is vertically provided inside the second connecting block, and a knob is provided at the bottom end of the threaded rod extending to the outside of the second connecting block.

[0013] The beneficial effects of the utility model are as follows: through the coordinated design of the protection component and the limit component, the cable can be effectively protected from the inside and outside of the cable, preventing the cable from being broken or damaged by pedestrians when it is placed on the ground, and improving the strength of the cable itself, so that the cable can be applied in more scenarios, thereby improving the practicality of the cable;

[0014] The design of the shielding layer, insulation layer and high temperature resistant layer can effectively enhance the insulation flame retardancy and anti-interference functions of the cable, and will not be interfered by the surrounding electromagnetic interference, effectively preventing signal leakage and improving the stability and reliability of cable transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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 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 work.

[0016] Figure 1 It is a structural schematic diagram of a plastic insulated flame-retardant anti-interference control cable according to an embodiment of the utility model;

[0017] Figure 2 It is a structural schematic diagram of an inner protective sheath in a plastic insulated flame-retardant anti-interference control cable according to an embodiment of the utility model;

[0018] Figure 3 It is a structural schematic diagram of a protective component in a plastic insulated flame-retardant and anti-interference control cable according to an embodiment of the utility model;

[0019] Figure 4 The utility model is a schematic structural diagram of a limiter assembly in a plastic insulated flame-retardant and anti-interference control cable according to an embodiment of the utility model.

[0020] In the figure:

[0021] 1. Inner protective sleeve; 2. Five groups of cable cores; 3. Shielding layer; 4. Insulating layer; 5. High temperature resistant layer; 6. Protective ring 1; 7. Protective ring 2; 8. Connecting block 1; 9. Connecting block 2; 10. Insert block; 11. Socket; 12. Limit block; 13. Limit groove; 14. Disc; 15. Circular groove; 16. L-shaped rod; 17. Travel groove; 18. L-shaped movable rod; 19. Insert strip; 20. Rotating shaft; 21. Threaded rod. DETAILED DESCRIPTION

[0022] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0023] According to an embodiment of the utility model, a plastic insulated flame-retardant and anti-interference control cable is provided. Example

[0024] like Figure 1-4 As shown, the plastic insulated flame-retardant and anti-interference control cable according to the embodiment of the utility model includes an inner protective sheath 1 and five groups of cable cores 2 located in the inner protective sheath 1, the outer surface of the inner protective sheath 1 is provided with a shielding layer 3, the outer surface of the shielding layer 3 is provided with an insulating layer 4, the outer surface of the insulating layer 4 is provided with a high temperature resistant layer 5, and the outer surface of the high temperature resistant layer 5 is provided with a protective component. Example

[0025] like Figure 1-4 As shown, the protection component includes a protective ring 1 6 and a protective ring 2 7 which are sleeved on the outer surface of the high temperature resistant layer 5, and the protective ring 1 6 and the protective ring 2 7 are provided with a connecting block 1 8 and a connecting block 2 9 at one end close to each other, and the bottom end of the connecting block 1 8 is symmetrically provided with an insert block 10 extending into the connecting block 2 9, and the top of the connecting block 2 9 is provided with a socket 11 matching the insert block 10, and symmetrically arranged limit blocks 12 are provided on both sides of the insert block 10, and limit grooves 13 matching the limit blocks 12 are provided on both sides of the socket 11, and a limit component connected to the limit block 12 is provided in the connecting block 2 9. Example

[0026] like Figure 1-4As shown, the limit assembly includes a disc 14 arranged horizontally in the connecting block 2 9, a circular groove 15 is opened around the outer wall of the disc 14, an L-shaped rod 16 extending outward is arranged in the circular groove 15, a travel groove 17 is opened on one side of the top end of the L-shaped rod 16, an L-shaped movable rod 18 extending outward is arranged in the travel groove 17, one end of the L-shaped movable rod 18 is provided with an insertion strip 19 extending into the limit block 12, through holes matching the insertion strip 19 are opened on both sides of the limit block 12, a rotating shaft 20 connected to the connecting block 2 9 is provided at the bending part of the L-shaped rod 16, a threaded rod 21 penetrating the disc 14 is vertically arranged in the connecting block 2 9, and the bottom end of the threaded rod 21 extends to the outside of the connecting block 2 9 and a knob is arranged.

[0027] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0028] In actual application, by sleeve-mounting the protective ring 1 6 and the protective ring 2 7 on the outer wall of the cable, the outside of the cable can be effectively protected to prevent people from stepping on it. After the sleeve-mounting is completed, the plug 10 needs to be inserted into the socket 11, and the limit block 12 is aligned with the limit groove 13 to complete the fixation of the protective ring 1 6 and the protective ring 2 7, and then the threaded rod 21 is rotated to drive the disc 14 to move downward. During the downward movement of the disc 14, the L-shaped rod 16 is driven to rotate with the rotating shaft 20 as the axis point, so that the top of the L-shaped rod 16 pushes the insert 19 through the L-shaped movable rod 18 to insert into the through hole of the limit block 12, thereby completing the limitation of the limit block 12. The design of the shielding layer 3, the insulating layer 4 and the high temperature resistant layer 5 can effectively enhance the insulation flame retardant and anti-interference functions of the cable, and will not be interfered by the surrounding electromagnetic interference, effectively preventing signal leakage, and improving the stability and reliability of cable transmission.

[0029] To sum up, with the help of the above-mentioned technical scheme of the utility model, through the coordinated design of the protection component and the limit component, the cable can be effectively protected from the inside and outside of the cable to prevent the cable from being broken and damaged by pedestrians when placed on the ground, and the cable's own strength is improved, so that the cable can be used in more scenarios, thereby improving the practicality of the cable; and the design of the shielding layer 3, the insulating layer 4 and the high temperature resistant layer 5 can effectively enhance the insulation flame retardant and anti-interference functions of the cable, and will not be affected by the surrounding electromagnetic interference, effectively preventing signal leakage, and improving the stability and reliability of cable transmission.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plastic insulated flame retardant anti-interference control cable, characterized in that: The invention comprises an inner protective sleeve (1) and five groups of cable cores (2) located in the inner protective sleeve (1); the outer surface of the inner protective sleeve (1) is provided with a shielding layer (3); the outer surface of the shielding layer (3) is provided with an insulating layer (4); the outer surface of the insulating layer (4) is provided with a high temperature resistant layer (5); the outer surface of the high temperature resistant layer (5) is provided with a protective component; the protective component comprises a protective ring 1 (6) and a protective ring 2 (7) which are sleeved on the outer surface of the high temperature resistant layer (5); the protective ring 1 (6) and the protective ring 2 (7); the ends of the protective ring 1 (6) and the protective ring 2 (7) which are close to each other are respectively provided with a connecting block 1 (8) and a connecting block 2 (9); the bottom end of the connecting block 1 (8) is symmetrically provided with an insert block (10) extending to the connecting block 2 (9); the top end of the connecting block 2 (9) is provided with a plug hole (11) which matches the insert block (10) The insert block (10) is provided with symmetrically arranged limit blocks (12) on both sides, the insert hole (11) is provided with limit grooves (13) matching the limit blocks (12) on both sides, the connecting block (9) is provided with a limit assembly connected to the limit block (12), the limit assembly comprises a disc (14) arranged transversely in the connecting block (9), the outer wall of the disc (14) is provided with a circular groove (15), an L-shaped rod (16) extending outward is provided in the circular groove (15), a travel groove (17) is provided on one side of the top end of the L-shaped rod (16), an L-shaped movable rod (18) extending outward is provided in the travel groove (17), one end of the L-shaped movable rod (18) is provided with an inserting strip (19) extending into the limit block (12), and through holes matching the inserting strip (19) are provided on both sides of the limit block (12).

2. A plastic insulated flame-retardant anti-interference control cable according to claim 1, characterized in that: A rotating shaft (20) connected to the second connecting block (9) is provided at the bending part of the L-shaped rod (16); a threaded rod (21) penetrating the disc (14) is vertically provided inside the second connecting block (9); the bottom end of the threaded rod (21) extends to the outside of the second connecting block (9) and is provided with a knob.

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