CN211907056U

CN211907056U - Multi-core stranded conductor fireproof cable

Info

Publication number: CN211907056U
Application number: CN202020376556.1U
Authority: CN
Inventors: 吴学明; 吴迪
Original assignee: Jiangsu Ruiyang Cable Co ltd
Current assignee: Jiangsu Ruiyang Cable Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-11-10
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a cable technical field's a multicore transposition conductor fireproof cable, including interior sheath, interior sheath inner chamber evenly is provided with six groups of core protective sheaths, core protective sheath inner chamber is provided with the sinle silk, interior sheath outer wall has cup jointed the protective layer, protective layer outer wall has cup jointed fire-retardant layer, fire-retardant layer outer wall has cup jointed the outer jacket, increases the inside fire behavior of cable through interior sheath and filling layer in the device, reduces the probability that the cable takes place to damage, guarantees the life and the result of use of cable to make the cable have the feature of environmental protection through low smoke and zero halogen outer jacket, increase the holistic result of use of cable.

Description

Multi-core stranded conductor fireproof cable

Technical Field

The utility model relates to the technical field of cables, specifically be a multicore transposition conductor fireproof cable.

Background

The cable is composed of a plurality of or a plurality of groups of conducting wires, and in the using process of the existing cable, if the fireproof performance of the cable is poor, the service life and the using effect of the cable can be influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multicore stranded conductor fireproof cable to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multicore transposition conductor fireproof cable, includes interior sheath, interior sheath inner chamber evenly is provided with six groups of core protective sheaths, core protective sheath inner chamber is provided with the sinle silk, interior sheath outer wall has cup jointed the protective layer, protective layer outer wall has cup jointed fire-retardant layer, fire-retardant layer outer wall has cup jointed the outer jacket.

Preferably, the protective layer comprises an armor layer sleeved on the outer wall of the inner protective layer, and the outer wall of the armor layer is sleeved with a waterproof layer.

Preferably, a filling layer is arranged between the inner protection layer inner cavity and the outer walls of the six groups of the wire core protection sleeves, and the filling layer is a flame-retardant filling layer.

Preferably, the inner sheath layer inner cavity is provided with a reinforced core, and the reinforced core is positioned between six groups of wire core protective sleeves.

Preferably, the cross-sectional thickness of the outer jacket is two centimeters, and the outer jacket is a low-smoke halogen-free outer jacket.

Preferably, the armor layer is a copper wire armor layer.

Compared with the prior art, the beneficial effects of the utility model are that: increase the inside fire behavior of cable through interior sheath and filling layer in the device, reduce the probability that the cable takes place to damage, guarantee the life and the result of use of cable to make the cable have the feature of environmental protection through low smoke and zero halogen outer jacket, increase the holistic result of use of cable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the protective layer structure of the present invention.

In the figure: 1. an inner protective layer; 2. a wire core protective sleeve; 3. a wire core; 4. a protective layer; 41. an armor layer; 42. a waterproof layer; 5. a flame retardant layer; 6. an outer jacket; 7. a reinforcing core; 8. and (5) filling the layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a technical scheme: referring to fig. 1, a multi-core stranded conductor fireproof cable includes an inner sheath layer 1;

referring to fig. 1, six groups of core protection sleeves 2 are uniformly arranged in an inner cavity of an inner protection layer 1, the core protection sleeves 2 are insulating layers, the insulating layers are made of ceramic silicon rubber, a core 3 is protected, and a core 3 is arranged in the inner cavity of each core protection sleeve 2;

referring to fig. 1, a protective layer 4 is sleeved on the outer wall of an inner protection layer 1 to protect the whole cable, a flame retardant layer 5 is sleeved on the outer wall of the protective layer 4, the flame retardant layer 5 is made of a low smoke halogen-free flame retardant tape, so that a flame retardant effect is achieved, the use safety of the cable is guaranteed, the damage probability of the cable is reduced, the service life of the cable is prolonged, an outer protection layer 6 is sleeved on the outer wall of the flame retardant layer 5, the cable layers are fixedly connected, and the production mode of the cable is the prior art;

referring to fig. 2, the protective layer 4 includes an armor layer 41 sleeved on the outer wall of the inner sheath 1, so as to increase the overall strength of the cable, improve the anti-pulling and anti-bending capabilities of the cable, and reduce the probability of the cable being damaged, the outer wall of the armor layer 41 is sleeved with a waterproof layer 42, and the waterproof layer 42 is made of polyethylene polypropylene fiber, so that the cable has a waterproof function, and is protected to ensure the normal operation of the cable;

referring to fig. 1, a filling layer 8 is arranged between an inner cavity of an inner sheath layer 1 and outer walls of six groups of core protective sleeves 2, the filling layer 8 is a flame-retardant filling layer, a flame-retardant filling layer is filled between the inner cavity of the inner sheath layer 1 and the core protective sleeves 2, the flame-retardant filling layer is made of high-flame-retardant polyethylene, the interior of the cable is protected, the fireproof performance of the cable is improved, and the normal work and the service life of the cable are ensured;

referring to fig. 1, a reinforcing core 7 is arranged in an inner cavity of an inner sheath layer 1, the reinforcing core 7 is a metal reinforcing core, and the reinforcing core 7 is located between six groups of wire core protective sleeves 2, so that the overall strength of the cable is increased, the pulling resistance and bending resistance of the cable are ensured, the service life of the cable is ensured, and the normal use of the cable is ensured;

referring to fig. 1, the cross-sectional thickness of the outer protective layer 6 is two centimeters, and the outer protective layer 6 is a low-smoke halogen-free outer protective layer, so that the environmental protection performance of the outer protective layer 6 is ensured, the safety of the cable is improved, and the using effect of the cable is ensured;

referring to fig. 2, the armor layer 41 is a copper wire armor layer, and the armor layer 41 is woven by copper wires, so that not only is the strength of the cable increased, but also the cable has anti-interference capability, the cable is prevented from being interfered or from being influenced by the outside, and the normal operation of the cable is ensured.

The working principle is as follows: through interior sheath 1, filling layer 8, fire-

retardant layer

5 and 6 multiple modes cooperations of outer jacket, increase the fire behavior of cable, guarantee the life of cable to outer jacket 6 is low smoke and zero halogen outer jacket, increases the security that the cable used, guarantees that the cable normally works.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multicore stranded conductor fireproof cable, includes interior sheath (1), its characterized in that: interior sheath (1) inner chamber evenly is provided with six groups of core protective sheath (2), core protective sheath (2) inner chamber is provided with sinle silk (3), interior sheath (1) outer wall has cup jointed protective layer (4), protective layer (4) outer wall has cup jointed fire-retardant layer (5), outer jacket (6) have been cup jointed to fire-retardant layer (5) outer wall.

2. The multi-core stranded conductor fire resistant cable of claim 1, wherein: the protective layer (4) comprises an armor layer (41) sleeved on the outer wall of the inner protective layer (1), and a waterproof layer (42) is sleeved on the outer wall of the armor layer (41).

3. The multi-core stranded conductor fire resistant cable of claim 1, wherein: be provided with filling layer (8) between interior sheath (1) inner chamber and six groups core protective sheath (2) outer walls, filling layer (8) are fire-retardant filling layer.

4. The multi-core stranded conductor fire resistant cable of claim 1, wherein: the inner protection layer (1) inner cavity is provided with a reinforced core (7), and the reinforced core (7) is located between six groups of wire core protection sleeves (2).

5. The multi-core stranded conductor fire resistant cable of claim 1, wherein: the cross-sectional thickness of outer jacket (6) is two centimetres, outer jacket (6) are low smoke and zero halogen outer jacket.

6. The multi-core stranded conductor fire resistant cable of claim 2, wherein: the armor layer (41) is a copper wire armor layer.