CN219512839U

CN219512839U - Bus control cable

Info

Publication number: CN219512839U
Application number: CN202320053531.1U
Authority: CN
Inventors: 朱从林; 钱文金; 陆秀国
Original assignee: Anhui Hui Ning Electrical Instrument Group Co ltd
Current assignee: Anhui Hui Ning Electrical Instrument Group Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-08-11
Anticipated expiration: 2033-01-09

Abstract

The utility model relates to the field of cables, in particular to a bus control cable, which comprises a control cable main body, wherein a wire core is arranged in the control cable main body, an inner insulating sleeve is sleeved outside the wire core, a supporting component is arranged outside the inner insulating sleeve, the supporting component comprises an arc-shaped sheet, an arc-shaped cavity, a connecting rod and a central cavity, the arc-shaped sheet is internally provided with the arc-shaped cavity, the connecting rod is arranged between the arc-shaped sheets, the central cavity is arranged between the arc-shaped cavities, a cavity is arranged outside the supporting component, an outer shielding layer is arranged outside the cavity, and a middle insulating layer is arranged outside the outer shielding layer. According to the utility model, through the arrangement of the inner insulating sleeve, the inner shielding layer, the outer shielding layer, the middle insulating layer and the flame-retardant layer and the arrangement of the arc-shaped sheet, the arc-shaped cavity, the connecting rod and the central cavity in the supporting component, a buffer is formed between the inner wire core and the protective layer, the condition of spontaneous combustion and concentrated fire due to cable aging is avoided, and the cable is safer and more reliable.

Description

Bus control cable

Technical Field

The utility model relates to the field of cables, in particular to a bus control cable.

Background

The cables include power cables, control cables, compensation cables, shield cables, high temperature cables, computer cables, signal cables, coaxial cables, fire resistant cables, marine cables, mining cables, aluminum alloy cables, and the like. They are composed of single or multi-strand wires and insulating layers for connecting circuits, appliances, etc.

The existing control cable is poor in buffering performance, once the outer protective layer is damaged, the inner core wire is damaged, the effect of resisting external force is not strong, and the cables are integrated, so that spontaneous combustion occurs easily due to aging of the cables, the cables are concentrated to fire, and serious accidents occur.

Accordingly, one skilled in the art would provide a bus control cable to address the problems set forth in the background above.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a bus control cable, which comprises a control cable main body, wherein a wire core is arranged in the control cable main body, and an inner insulating sleeve is sleeved outside the wire core;

the outer side of the inner insulating sleeve is provided with a supporting component, the supporting component comprises arc-shaped sheets, arc-shaped cavities, connecting rods and a central cavity, the arc-shaped cavities are arranged in the arc-shaped sheets, the connecting rods are arranged between the arc-shaped sheets, and the central cavity is arranged between the arc-shaped cavities;

the outside of the supporting component is a cavity, an outer shielding layer is arranged on the outer side of the cavity, a middle insulating layer is arranged on the outer side of the outer shielding layer, and a flame-retardant layer is arranged on the outer side of the middle insulating layer;

the outermost side of the flame retardant layer is provided with a water-blocking woven layer, and the outer side of the water-blocking woven layer is provided with woven protection copper wires.

Preferably: the outside of control cable main part is provided with outer inoxidizing coating, and the upside of outer inoxidizing coating is provided with the oversheath.

Preferably: the lower side of the outer protective layer is provided with a lower sheath.

Preferably: an inner shielding sleeve is arranged on the outer side of the inner insulating sleeve.

Preferably: the number of the arc-shaped sheets is four.

Preferably: the number of the braided protective copper wires is several.

The utility model has the technical effects and advantages that:

according to the utility model, through the arrangement of the inner insulating sleeve, the inner shielding layer, the outer shielding layer, the middle insulating layer and the flame-retardant layer and the arrangement of the arc-shaped sheet, the arc-shaped cavity, the connecting rod and the central cavity in the supporting component, a buffer is formed between the inner wire core and the protective layer, the condition of spontaneous combustion and concentrated fire due to cable aging is avoided, and the cable is safer and more reliable.

Drawings

Fig. 1 is a schematic structural diagram of a bus control cable according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a bus control cable according to a second embodiment of the present utility model;

FIG. 3 is a schematic diagram of a top view of a bus control cable according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a core in a bus control cable according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a support assembly in a bus control cable according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a second embodiment of a support assembly in a bus control cable;

FIG. 7 is a schematic view of an arc-shaped piece of a bus control cable according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of the structure of the bus control cable shown in FIG. 1A according to an embodiment of the present utility model;

fig. 9 is a schematic diagram of a bus control cable according to an embodiment of the present utility model, where B is shown in fig. 7.

In the figure: 1. a control cable body; 2. an outer protective layer; 3. a jacket is arranged; 4. a lower sheath; 5. a wire core; 6. an inner insulating sleeve; 7. an inner shield;

8. a support assembly; 801. an arc-shaped sheet; 802. an arc-shaped cavity; 803. a connecting rod; 804. a central cavity;

9. a cavity; 10. an outer shielding layer; 11. a middle insulating layer; 12. a flame retardant layer;

13. a water blocking braid; 131. braiding protective copper wires.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 9, in this embodiment, a bus control cable is provided, including a control cable main body 1, an outer protection layer 2 is provided outside the control cable main body 1, an upper protection sleeve 3 is provided on an upper side of the outer protection layer 2, a lower protection sleeve 4 is provided on a lower side of the outer protection layer 2, a wire core 5 is provided inside the control cable main body 1, an inner insulation sleeve 6 is sleeved outside the wire core 5, and an inner shielding sleeve 7 is provided outside the inner insulation sleeve 6;

the outer side of the inner insulating sleeve 6 is provided with a supporting component 8, the supporting component 8 comprises arc-shaped pieces 801, arc-shaped cavities 802, connecting rods 803 and a central cavity 804, the arc-shaped pieces 801 are internally provided with the arc-shaped cavities 802, the number of the arc-shaped pieces 801 is four, the connecting rods 803 are arranged between the arc-shaped pieces 801, and the central cavity 804 is arranged between the arc-shaped cavities 802;

the outside of the supporting component 8 is a cavity 9, an outer shielding layer 10 is arranged on the outer side of the cavity 9, a middle insulating layer 11 is arranged on the outer side of the outer shielding layer 10, and a flame retardant layer 12 is arranged on the outer side of the middle insulating layer 11;

the outermost side of the flame retardant layer 12 is provided with a water-blocking braided layer 13, the outer side of the water-blocking braided layer 13 is provided with braided protective copper wires 131, and the number of the braided protective copper wires 131 is a plurality for protecting the control cable main body 1.

The working principle of the utility model is as follows: the inner insulating sleeve 6 and the middle insulating layer 11 are made of polyethylene, the wire core 5 is formed by stranding twisted wires, and the inner wire core 5 is protected and supported by the aid of the expanded arc-shaped sheets 801 and the inner wire cores of the cables, which are far away from the middle, through the arrangement of the arc-shaped sheets 801, the arc-shaped cavities 802, the connecting rods 803 and the central cavity 804 in the supporting assembly 8.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The bus control cable comprises a control cable main body (1), and is characterized in that a wire core (5) is arranged in the control cable main body (1), and an inner insulating sleeve (6) is sleeved outside the wire core (5);

the outer side of the inner insulating sleeve (6) is provided with a supporting component (8), the supporting component (8) comprises arc-shaped sheets (801), arc-shaped cavities (802), connecting rods (803) and a central cavity (804), the arc-shaped cavities (802) are arranged in the arc-shaped sheets (801), the connecting rods (803) are arranged between the arc-shaped sheets (801), and the central cavity (804) is arranged between the arc-shaped cavities (802);

the outside of the supporting component (8) is a cavity (9), an outer shielding layer (10) is arranged on the outer side of the cavity (9), a middle insulating layer (11) is arranged on the outer side of the outer shielding layer (10), and a flame-retardant layer (12) is arranged on the outer side of the middle insulating layer (11);

the outermost side of the flame retardant layer (12) is provided with a water-blocking woven layer (13), and the outer side of the water-blocking woven layer (13) is provided with a woven protection copper wire (131).

2. A bus control cable according to claim 1, characterized in that the control cable body (1) is provided with an outer shielding layer (2) on the outside, the upper side of the outer shielding layer (2) being provided with an upper jacket (3).

3. A bus control cable according to claim 2, characterized in that the underside of the outer shield (2) is provided with a lower jacket (4).

4. A bus control cable according to claim 1, characterized in that the inner insulation jacket (6) is provided on the outside with an inner shielding jacket (7).

5. A bus control cable according to claim 1, characterized in that the number of arcuate tabs (801) is four.

6. A bus control cable according to claim 1, characterized in that the number of braided protective copper wires (131) provided is several.