CN212907179U

CN212907179U - Flexible fireproof cable with aluminum alloy sheath

Info

Publication number: CN212907179U
Application number: CN202021778995.1U
Authority: CN
Inventors: 吴长凯; 项宏波; 曹胜鑫; 刘佳银
Original assignee: Shenzhen Aowei Cable Manufacturing Co ltd
Current assignee: Shenzhen Aowei Cable Manufacturing Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-04-06
Anticipated expiration: 2030-08-24

Abstract

The utility model provides a flexible fireproof cable of aluminum alloy sheath relates to a wire and cable technical field. The utility model discloses an including cable core and protective sheath, wherein, the cable core includes first cable core, second cable core, third cable core and fourth cable core, is provided with the central reinforcement in the protective sheath, and the central reinforcement is respectively through first support bar, second support bar, third support bar and fourth support bar and protective sheath elastic connection. The utility model discloses simple structure, simple to operate has kept the anti striking performance of metal covering mineral fireproof cable simultaneously, has reduced the bend radius of whole cable again greatly, has increased the compliance, can use in more fire prevention places that need the bend radius little.

Description

Flexible fireproof cable with aluminum alloy sheath

Technical Field

The utility model relates to a wire and cable technical field especially relates to a flexible fireproof cable of aluminum alloy sheath.

Background

In recent years, the economy of China is rapidly developed, people gradually strengthen and attach importance to safety consciousness, and the cable is one of essential devices in important places such as residential buildings, commercial buildings, industrial areas, large-scale venues, entertainment places, mines, subways, the connection of modern new energy matching electrical devices, various levels of dangerous areas and the like as a main connection medium of modern electrical devices. When the unexpected conflagration takes place, the cable is easily caused by the burning and can't be for the normal power supply of fire-fighting equipment, perhaps become one of combustion-supporting thing even, for the safety, the cable of place installation all requires fire behavior, guarantee the unobstructed of electric power and communication in a certain time, win precious time to the utmost, reduce casualties and the loss of lives and property of personnel, simultaneously, current fireproof cable all has the structure hard, the bending radius is big, be difficult to crooked not soft, the installation lays the problem of construction difficulty, lead to unable nimble being applied to different places, make installation construction cost improve greatly.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned problem, the utility model provides a flexible fireproof cable of aluminum alloy sheath makes its simple structure, and simple to operate has kept the anti striking performance of metal covering mineral fireproof cable simultaneously, has reduced the bend radius of whole cable again greatly, has increased the compliance, can use in more fire prevention places that need the bend radius is little.

In order to solve the problem, the utility model provides a flexible fireproof cable of aluminum alloy sheath, be in including cable core and setting the protective sheath in the cable core outside, wherein, the cable core includes first cable core, second cable core, third cable core and fourth cable core, first cable core the second cable core the third cable core with two liang of setting side by side of fourth cable core, be provided with the central reinforcement in the protective sheath, the central reinforcement is located first cable core the second cable core the third cable core with the center department of fourth cable core, and the central reinforcement respectively through first support bar, second support bar, third support bar and fourth support bar with protective sheath elastic connection.

Preferably, the first cable core comprises an inner sheath and a first cable core, a second cable core, a third cable core, a fourth cable core, a fifth cable core, a sixth cable core and a seventh cable core which are arranged in the inner sheath, and the first cable core is positioned at the center of the second cable core, the third cable core, the fourth cable core, the fifth cable core, the sixth cable core and the seventh cable core.

Preferably, flame-retardant fillers are arranged in gaps among the first cable core, the second cable core, the third cable core, the fourth cable core, the fifth cable core, the sixth cable core, the seventh cable core and the inner sheath.

Preferably, the first cable core, the second cable core, the third cable core, the fourth cable core, the fifth cable core, the sixth cable core and the seventh cable core are respectively provided with a first insulating layer on the outer side, and a first fire-resistant layer is arranged on the outer side of the first insulating layer.

Preferably, the inner sheath comprises a second insulating layer and a second fire-resistant layer, the second insulating layer covers the outer sides of the first cable core, the second cable core, the third cable core, the fourth cable core, the fifth cable core, the sixth cable core and the seventh cable core, and the second fire-resistant layer covers the outer side of the second insulating layer.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses simple structure, simple to operate has kept the anti striking performance of metal covering mineral fireproof cable simultaneously, has reduced the bend radius of whole cable again greatly, has increased the compliance, can use in more fire prevention places that need the bend radius little.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples, which are not intended to limit the present invention.

As shown in fig. 1, the embodiment of the utility model provides an including cable core and the protective sheath of setting in the cable core outside, the cable core includes first cable core 1, second cable core 2, third cable core 3 and fourth cable core 4, first cable core 1, second cable core 2, two liang of settings side by side of third cable core 3 and fourth cable core 4, be provided with central reinforcement 5 in the protective sheath, central reinforcement 5 is located first cable core 1, second cable core 2, the center department of third cable core 3 and fourth cable core 4, and central reinforcement 5 is respectively through first support bar, the second support bar, third support bar and fourth support bar and protective sheath elastic connection. Wherein, the central reinforcing strip 5 is of a phosphated steel wire structure.

In this embodiment, the first cable core 1 includes an inner sheath, and a first cable core 6, a second cable core, a third cable core, a fourth cable core, a fifth cable core, a sixth cable core, and a seventh cable core that are disposed in the inner sheath, where the first cable core 6 is located at a center of the second cable core, the third cable core, the fourth cable core, the fifth cable core, the sixth cable core, and the seventh cable core, a flame retardant filler is disposed in a gap between the first cable core 6, the second cable core, the third cable core, the fourth cable core, the fifth cable core, the sixth cable core, and the seventh cable core, a first insulating layer 9 is disposed on outer sides of the first cable core 6, the second cable core, the third cable core, the fourth cable core, the fifth cable core, the sixth cable core, and the seventh cable core, and a first flame retardant layer 10 is.

In this embodiment, the inner sheath includes second insulating layer 7 and second flame retardant coating 8, and the cladding of second insulating layer 7 is in the outside of first cable core 1, second cable core, third cable core, fourth cable core, fifth cable core, sixth cable core, seventh cable core, and the cladding of second flame retardant coating 8 is in the outside of second insulating layer 7.

In this embodiment, the outer sheath includes a third insulating layer 11, a belting layer 12 and a third flame retardant coating 13, the third insulating layer 11 is wrapped outside the first supporting strip, the second supporting strip, the third supporting strip and the fourth supporting strip, the belting layer 12 is wrapped outside the third insulating layer 11, and the third flame retardant coating 13 is wrapped outside the belting layer 12.

In this embodiment, the first insulating layer 9, the second insulating layer 7, and the third insulating layer 11 are all made of flexible mineral insulating materials, the first flame retardant coating 10, the second flame retardant coating 8, and the third flame retardant coating 13 are all made of synthetic mica materials resistant to temperatures of not less than 1000 ℃, and the belting layer 12 is made of flexible mineral insulating materials.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it is to be understood that they have been presented by way of example only, and not limitation, and that changes, modifications, substitutions and alterations may be made thereto by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a flexible fireproof cable of aluminum alloy sheath, is in including cable core and setting the protective sheath in the cable core outside, a serial communication port, the cable core includes first cable core, second cable core, third cable core and fourth cable core, first cable core the second cable core the third cable core with two liang of settings side by side of fourth cable core, be provided with the central reinforcement in the protective sheath, the central reinforcement is located first cable core the second cable core the third cable core with the center department of fourth cable core, and the central reinforcement respectively through first support bar, second support bar, third support bar and fourth support bar with protective sheath elastic connection.

2. The aluminum alloy sheath flexible fireproof cable of claim 1, wherein the first cable core comprises an inner sheath and a first cable core, a second cable core, a third cable core, a fourth cable core, a fifth cable core, a sixth cable core and a seventh cable core which are arranged in the inner sheath, and the first cable core is located at the center of the second cable core, the third cable core, the fourth cable core, the fifth cable core, the sixth cable core and the seventh cable core.

3. The aluminum alloy sheath flexible fireproof cable of claim 2, wherein flame retardant fillers are disposed in gaps between the first cable core, the second cable core, the third cable core, the fourth cable core, the fifth cable core, the sixth cable core, the seventh cable core and the inner sheath.

4. The flexible fireproof cable with the aluminum alloy sheath according to claim 3, wherein a first insulating layer is respectively arranged on the outer sides of the first cable core, the second cable core, the third cable core, the fourth cable core, the fifth cable core, the sixth cable core and the seventh cable core, and a first fireproof layer is arranged on the outer side of the first insulating layer.

5. The flexible fireproof cable with the aluminum alloy sheath according to claim 4, wherein the inner sheath comprises a second insulating layer and a second fireproof layer, the second insulating layer covers the outer sides of the first cable core, the second cable core, the third cable core, the fourth cable core, the fifth cable core, the sixth cable core and the seventh cable core, and the second fireproof layer covers the outer side of the second insulating layer.