CN212230130U

CN212230130U - Fireproof cable

Info

Publication number: CN212230130U
Application number: CN202020289583.5U
Authority: CN
Inventors: 王凯; 赵晶晶; 张荣明
Original assignee: Shandong Yingtai Cable Co ltd
Current assignee: Shandong Yingtai Cable Group Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-12-25
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a fireproof cable, including oversheath layer, fire-retardant layer, fixed terminal, glass fiber layer, shielding layer, polyethylene filling layer, connection structure, enhancement section of thick bamboo and fixed orifices, the inner wall laminating of oversheath layer has fire-retardant layer, and the inner wall contained angle department on fire-retardant layer is provided with fixed terminal, the outer wall laminating of fixed terminal has an enhancement section of thick bamboo, the inner wall laminating on fire-retardant layer has the glass fiber layer. This fire prevention cable is provided with the glass fiber layer, the glass fiber layer is octagon shape and distributes, whole glass fiber layer and fire-retardant layer regard as outside fire-retardant structure, high ignition through glass fiber layer and fire-retardant layer, can effectively reduce the possibility that the cable burning appears, and the glass fiber layer adopts the octagon design, can apply the holding power between fire-retardant layer and the oversheath layer, guarantee can closely laminate between fire-retardant layer and the oversheath layer, reduce breach department, the hydrone flows in, the possibility of cable oxidative damage accelerates.

Description

Fireproof cable

Technical Field

The utility model relates to a fire prevention cable technical field specifically is a fire prevention cable.

Background

Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, and is a common and indispensable object in daily life. Because the cable is electrified, the installation needs to be particularly careful, and the cable has high-temperature-resistant and fireproof performance and can improve the use authorization of the cable.

The cable in the market is twisted together in the installation, and the possibility of breaking easily occurs after long-term placement, and the ignition point of the cable is low, so that burning is easy to occur, and therefore, the fireproof cable is provided.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a fire prevention cable.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fireproof cable, includes oversheath layer, fire-retardant layer, fixed terminal, glass fiber layer, shielding layer, polyethylene filling layer, connection structure, strengthens a section of thick bamboo and fixed orifices, the inner wall laminating of oversheath layer has fire-retardant layer, and the inner wall contained angle department on fire-retardant layer is provided with fixed terminal, the outer wall laminating of fixed terminal has a reinforcing section of thick bamboo, the inner wall laminating on fire-retardant layer has glass fiber layer, and glass fiber layer's inner wall laminating has the shielding layer, the inner wall laminating of shielding layer has the polyethylene filling layer, and the inboard of polyethylene filling layer is provided with connection structure, the one end inner wall on oversheath layer is provided with the fixed orifices all around.

The glass fiber layer is distributed in an octagonal shape, and the glass fiber layer and the flame-retardant layer are mutually attached.

Strengthen a section of thick bamboo along the outer wall equidistance evenly distributed of fixed terminal, and fixed terminal is provided with 8.

The connecting structure comprises an insulating sleeve, a copper sheath, an inorganic insulating filling layer and a wire core, wherein the inner wall of the insulating sleeve is attached to the copper sheath, the inorganic insulating filling layer is arranged on the inner side of the copper sheath, and the wire core is arranged on the inner wall of the inorganic insulating filling layer.

Insulating cover, copper sheath, inorganic insulation filling layer and sinle silk once laminate each other, and the sinle silk is provided with 5 groups.

The fixing holes are evenly distributed along the periphery of one end of the outer sheath layer, and the inner walls of the fixing holes are distributed in a threaded manner.

Compared with the prior art, the beneficial effects of the utility model are that: this fire prevention cable is provided with the glass fiber layer, the glass fiber layer is octagon shape and distributes, whole glass fiber layer and fire-retardant layer regard as outside fire-retardant structure, high ignition through glass fiber layer and fire-retardant layer, can effectively reduce the possibility that the cable burning appears, and the glass fiber layer adopts the octagon design, can apply the holding power between fire-retardant layer and the oversheath layer, guarantee can closely laminate between fire-retardant layer and the oversheath layer, reduce breach department, the hydrone flows in, the possibility of cable oxidative damage accelerates.

The fixed terminal is provided with one, strengthens a volume that can improve a fixed terminal department to strengthen joint strength, and the fixed terminal distributes along the contained angle on fire-retardant layer, can guarantee under the effort of torsion, and the cable is difficult for taking place extensive deformation, can effectively improve the life of this cable.

The inner wall of inorganic insulation filling layer is provided with the sinle silk, and insulating cover, copper sheath, inorganic insulation filling layer and sinle silk are once laminated each other, and the sinle silk is provided with the group, and whole insulating cover, copper sheath, inorganic insulation filling layer and sinle silk are shielded the outside through the copper sheath as the core structure of cable, reduce the sinle silk and receive the possibility of interference, improve the application scope of this cable.

Drawings

FIG. 1 is a schematic cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.

In the figure: the cable comprises an outer sheath layer 1, a flame-retardant layer 2, a fixed wire column 3, a glass fiber layer 4, a shielding layer 5, a polyethylene filling layer 6, a connecting structure 7, an insulating sleeve 701, a copper sheath 702, an inorganic insulating filling layer 703, a wire core 704, a reinforcing cylinder 8 and a fixing hole 9.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a fireproof cable, including oversheath layer 1, fire-retardant layer 2, fixed terminal 3, glass fiber layer 4, shielding layer 5, polyethylene filling layer 6, connection structure 7, strengthen a section of thick bamboo 8 and fixed orifices 9, the inner wall laminating of oversheath layer 1 has fire-retardant layer 2, and the inner wall contained angle department of fire-retardant layer 2 is provided with fixed terminal 3, the outer wall laminating of fixed terminal 3 has a section of thick bamboo 8, the inner wall laminating of fire-retardant layer 2 has glass fiber layer 4, and the inner wall laminating of glass fiber layer 4 has shielding layer 5, the inner wall laminating of shielding layer 5 has polyethylene filling layer 6, and the inboard of polyethylene filling layer 6 is provided with connection structure 7, the one end inner wall of oversheath layer 1 is provided with fixed orifices 9 all around.

The utility model discloses in, glass fiber layer 4 is octagon shape and distributes, and laminate each other between glass fiber layer 4 and the fire-retardant layer 2, whole glass fiber layer 4 and fire-retardant layer 2 regard as outside fire-retardant structure, high ignition through glass fiber layer 4 and fire-retardant layer 2, can effectively reduce the possibility that the cable burns, and glass fiber layer 4 adopts the octagon design, can apply the holding power between fire-retardant layer 2 and oversheath layer 1, guarantee to closely laminate between fire-retardant layer 2 and the oversheath layer 1, reduce breach department, the hydrone flows in, the possibility of cable oxidative damage with higher speed.

Strengthen a section of thick bamboo 8 along the equidistant evenly distributed of outer wall of fixed terminal 3, and fixed terminal 3 is provided with 8, strengthens a section of thick bamboo 8 and can improve the volume of 3 sections departments of fixed terminal to strengthen joint strength, and fixed terminal 3 distributes along the contained angle on fire-retardant layer 2, can guarantee under the effort of torsion, the cable is difficult for taking place extensive deformation, can effectively improve the life of this cable.

Connection structure 7 is including insulating cover 701, copper sheathing 702, inorganic insulating filling layer 703 and sinle silk 704, and the inner wall laminating of insulating cover 701 has copper sheathing 702, the inboard of copper sheathing 702 is provided with inorganic insulating filling layer 703, and the inner wall of inorganic insulating filling layer 703 is provided with sinle silk 704, insulating cover 701, copper sheathing 702, inorganic insulating filling layer 703 and sinle silk 704 once laminate each other, and sinle silk 704 is provided with 5 groups, whole insulating cover 701, copper sheathing 702, inorganic insulating filling layer 703 and sinle silk 704 are as the core structure of cable, shield the outside through copper sheathing 702, reduce the possibility that sinle silk 704 received the interference, improve the application scope of this cable.

Evenly distributed all around along the one end of oversheath layer 1 of fixed orifices 9, and the inner wall of fixed orifices 9 is the screw thread form and distributes, and whole fixed orifices 9 can satisfy the user and place multiple electronic connecting component in the one end of oversheath layer 1 as the connection structure of tip, and the inner wall of fixed orifices 9 adopts the screw thread design simultaneously, can directly screw up through the screw, reaches the demand fixed to this cable

The working principle is as follows: for the fireproof cables of the type, firstly, the high ignition point of the glass fiber layer 4 and the flame retardant layer 2 is passed through, the possibility of cable combustion can be effectively reduced, the glass fiber layer 4 adopts an octagonal design, a supporting force can be applied between the flame retardant layer 2 and the outer sheath layer 1, the flame retardant layer 2 and the outer sheath layer 1 can be tightly attached, the possibility of cable oxidation damage is reduced, water molecule inflow is reduced, the possibility of cable oxidation damage is accelerated, the volume of one section of the fixed wire column 3 can be improved by the reinforcing cylinder 8, so that the connection strength is enhanced, and the 8 fixed wire columns 3 are distributed along the included angle of the flame retardant layer 2, so that the cable is not easy to deform in a large scale under the action of torsion force, the service life of the cable can be effectively prolonged, the whole fixed hole 9 is used as a connection structure of an end part, and the requirement of a user that various electronic connecting components are, meanwhile, the inner wall of the fixing hole 9 is in a threaded design, and can be directly screwed down through a screw, so that the requirement for fixing the cable is met.

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 fireproof cable, includes oversheath layer (1), fire-retardant layer (2), fixed terminal (3), glass fiber layer (4), shielding layer (5), polyethylene filling layer (6), connection structure (7), strengthens a section of thick bamboo (8) and fixed orifices (9), its characterized in that: the inner wall laminating of oversheath layer (1) has fire-retardant layer (2), and the inner wall contained angle department of fire-retardant layer (2) is provided with fixed terminal (3), the outer wall laminating of fixed terminal (3) has a reinforcing section of thick bamboo (8), the inner wall laminating of fire-retardant layer (2) has glass fiber layer (4), and the inner wall laminating of glass fiber layer (4) has shielding layer (5), the inner wall laminating of shielding layer (5) has polyethylene filling layer (6), and the inboard of polyethylene filling layer (6) is provided with connection structure (7), the one end inner wall of oversheath layer (1) is provided with fixed orifices (9) all around.

2. A fire-resistant cable according to claim 1, characterized in that: the glass fiber layer (4) is distributed in an octagonal shape, and the glass fiber layer (4) and the flame retardant layer (2) are mutually attached.

3. A fire-resistant cable according to claim 1, characterized in that: strengthen a section of thick bamboo (8) along the outer wall equidistance evenly distributed of fixed terminal (3), and fixed terminal (3) are provided with 8.

4. A fire-resistant cable according to claim 1, characterized in that: the connecting structure (7) comprises an insulating sleeve (701), a copper sheath (702), an inorganic insulating filling layer (703) and a wire core (704), wherein the inner wall of the insulating sleeve (701) is attached to the copper sheath (702), the inorganic insulating filling layer (703) is arranged on the inner side of the copper sheath (702), and the wire core (704) is arranged on the inner wall of the inorganic insulating filling layer (703).

5. A fire resistant cable according to claim 4, wherein: insulating cover (701), copper sheath (702), inorganic insulating filling layer (703) and sinle silk (704) laminate each other in proper order, and sinle silk (704) are provided with 5 groups.

6. A fire-resistant cable according to claim 1, characterized in that: the fixing holes (9) are uniformly distributed along the periphery of one end of the outer sheath layer (1), and the inner walls of the fixing holes (9) are distributed in a threaded manner.