CN217933266U

CN217933266U - Flexible fireproof cable with copper sheath

Info

Publication number: CN217933266U
Application number: CN202222258175.5U
Authority: CN
Inventors: 贺群喜; 陈日鑫; 贺亿能
Original assignee: Hunan Xinyi Cable Co ltd
Current assignee: Hunan Xinyi Cable Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-11-29
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a flexible fireproof cable of copper sheathing, including cable fire prevention sheath body, the surface of cable fire prevention sheath body inner wall is provided with a plurality of interlayer subassemblies, and the center department of a plurality of interlayer subassemblies is provided with the mica tape, and the inner wall connection in mica tape has the conductor, and cable fire prevention sheath body top is provided with a plurality of fire prevention subassembly with the bottom respectively. This flexible fireproof cable of copper sheath, through setting up cable fire prevention sheath body, interlayer subassembly and fire prevention subassembly, when cable fire prevention sheath body protection conductor suffers from outside flame and toasts, under the effect of two hemizonids and connecting piece on its surface, it directly receives the area of toasting to reduce cable fire prevention sheath body, and under the effect of the inside heat resistance liquid of hemizonid, the heat of conduction on cable fire prevention sheath body when still having reduced the hemizonid and toasting, and make mica tape and conductor keep away from the inner wall of cable fire prevention sheath body through isolation sleeve and flexible support bar.

Description

Flexible fireproof cable with copper sheath

Technical Field

The utility model relates to the technical field of cables, specifically be the flexible fireproof cable of copper sheathing.

Background

The cable is an electric energy or signal transmission device, and generally comprises several or several groups of conducting wires, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like. They are composed of single-strand or multi-strand wires and insulating layers and are used for connecting circuits, electric appliances and the like;

in-process that fireproof cable used, cause the cable periphery to send the conflagration and lead to because of external factor, flame is direct to toast the cable body, and the outside protective layer of cable receives the toasting for a long time, receives the damage easily during this period, and still can influence subsequent fire prevention effect, leads to its duration to be relatively poor, directly receives to toast and probably still can cause partial heat direct transfer to the inside conductor of cable to cause the damage of conductor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible fireproof cable of copper sheath to the outside protective layer of cable that proposes in solving above-mentioned background art receives for a long time and toasts, receives the damage easily during this period, and still can influence subsequent fire prevention effect, leads to its duration to be relatively poor, directly receives to toast and probably still can cause partial heat to directly shift to the inside conductor of cable on, thereby causes the problem of the damage of conductor.

In order to achieve the above object, the utility model provides a following technical scheme: flexible fireproof cable of copper sheathing, including cable fire prevention sheath body, the surface of cable fire prevention sheath body inner wall is provided with a plurality of interlayer subassembly, and is a plurality of the center department of interlayer subassembly is provided with the mica tape, the inner wall connection of mica tape has the conductor, cable fire prevention sheath body top and bottom are provided with a plurality of fire prevention subassembly respectively, the both sides of cable fire prevention sheath body are provided with a plurality of radiator unit.

Preferably, the interlayer component comprises an isolation sleeve fixedly connected with the inner wall surface of the cable fireproof sheath body, and a plurality of flexible supporting strips are connected between the inner wall of the isolation sleeve and the inner wall of the cable fireproof sheath body.

Preferably, a plurality of through holes are formed in the top ends of the isolation sleeves positioned on the two sides of the inner wall of the cable fireproof sheath body, and the positions of the two isolation sleeves provided with the through holes correspond to the positions of the two radiating assemblies respectively.

Preferably, the fire prevention subassembly includes two hemizonids, two the fixed cover respectively of bottom of hemizonid is located the surface of cable fire prevention sheath body, two fixedly connected with connecting piece between the relative one side of hemizonid.

Preferably, a placing groove is formed in the half ring body, and heat-resistant liquid is filled in the placing groove.

Preferably, the heat dissipation assembly comprises a square groove arranged on the surface of the cable fireproof sheath body, two air holes are formed in the inner wall of the square groove, and the two air holes are formed in the inclined direction.

Preferably, the top of the square groove is fixedly connected with a protective cover, and the vent hole is communicated with the isolation sleeve at the corresponding position.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by arranging the cable fireproof sheath body, the interlayer component and the fireproof component, when the cable fireproof sheath body protects the conductor from being baked by external flame, under the action of the two semi-rings on the surface of the cable fireproof sheath body and the connecting piece, the area of the cable fireproof sheath body directly baked is reduced, and under the action of heat-resistant liquid inside the semi-rings, heat conducted on the cable fireproof sheath body during baking of the semi-rings is also reduced, and the mica tape and the conductor are far away from the inner wall of the cable fireproof sheath body through the isolation sleeve and the flexible support bar, so that the protection of the conductor is improved, and the fireproof performance and the heat resistance of the cable fireproof sheath body are also improved to a certain extent;

2. through setting up radiator unit, at the in-process that cable fire prevention sheath body used, inside produced heat or because of external factor makes its inside produced heat can follow through-hole and its air vent discharge on cable fire prevention sheath body inner wall both sides spacer sleeve, and then reduced inside conductor because of the probability that cable fire prevention sheath body high temperature leads to appearing damaging, improved the heat-sinking capability of cable fire prevention sheath body.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the fire-proof assembly of the present invention;

FIG. 3 is a partial schematic view of the present invention;

fig. 4 is a schematic plan view of the present invention;

fig. 5 is a schematic view of a three-dimensional structure of the heat dissipation assembly of the present invention.

In the figure: 1. a cable fireproof sheath body; 2. a barrier component; 21. an isolation sleeve; 22. a flexible support strip; 23. a through hole; 3. mica tapes; 4. a conductor; 5. a fire protection assembly; 51. a hemicyclic body; 52. a connecting member; 53. a placement groove; 54. a heat-resistant liquid; 6. a heat dissipating component; 61. a square groove; 62. a vent hole; 63. a shield.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: flexible fireproof cable of copper sheath, including cable fireproof sheath body 1, the surface of 1 inner wall of cable fireproof sheath body is provided with a plurality of interlayer subassembly 2, the center department of a plurality of interlayer subassembly 2 is provided with mica tape 3, the inner wall connection of mica tape 3 has

conductor

4, 1 top of cable fireproof sheath body is provided with a plurality of fireproof assembly 5 respectively with the bottom, the both sides of cable fireproof sheath body 1 are provided with a plurality of radiator unit 6, interlayer subassembly 2 is including the separation sleeve 21 with 1 internal face fixed connection of cable fireproof sheath body, be connected with a plurality of flexible support bar 22 between separation sleeve 21 inner wall and the 1 inner wall of cable fireproof sheath body, keep away from the inner wall of cable fireproof sheath body 1 with conductor 4 through a plurality of separation sleeve 21 and flexible support bar 22, separation sleeve 21 is half soft form heat-resistant type material, flexible support bar 22 has certain elasticity, the top of the separation sleeve 21 that is located 1 inner wall both sides of cable fireproof sheath body has a plurality of through-hole 23 is opened, two separation sleeve 21 positions that set up through-hole 23 correspond with two radiator unit 6's position respectively, it is convenient to overlap with the heat discharge sheath body of cable 1 inside heat-resistant cable sheath 5 including two heat-resistant ring body 51 that the fixed ring body was placed the fire-resistant connector 52 and two high temperature-resistant ring body 51 that the fire-resistant connector was placed the fire-ring body was located between-resistant connector 51, the two fire-resistant cable body 51.

Referring to fig. 1, 3, 4 and 5, the heat dissipation assembly 6 includes a square groove 61 opened on the surface of the cable fireproof sheath body 1, two vent holes 62 are opened on the inner wall of the square groove 61, the two vent holes 62 are opened obliquely upward to prevent external water from flowing into the cable fireproof sheath body 1 through the vent holes 62, a shield 63 is fixedly connected to the top of the square groove 61, and the vent holes 62 are communicated with the isolation sleeve 21 at the corresponding position.

The working principle is as follows: when the cable fireproof sheath body 1 protects the conductor 4 from being baked by external flame, under the action of the two semi-annular bodies 51 and the connecting piece 52 on the surface of the cable fireproof sheath body 1, the area of the cable fireproof sheath body 1 directly baked is reduced, and under the action of the heat-resistant liquid 54 in the semi-annular bodies 51, the heat conducted on the cable fireproof sheath body 1 when the semi-annular bodies 51 are baked is also reduced, and the mica tapes 3 and the conductor 4 are far away from the inner wall of the cable fireproof sheath body 1 through the isolation sleeve 21 and the flexible support bars 22, so that the protection performance of the conductor 4 is improved, and the fireproof performance and the heat resistance of the cable fireproof sheath body 1 are also improved to a certain extent;

in the using process of the cable fireproof sheath body 1, the heat generated inside or the heat generated inside due to external factors can be discharged from the through holes 23 and the air vents 62 on the isolation sleeves 21 on the two sides of the inner wall of the cable fireproof sheath body 1, so that the probability of damage to the inner conductor 4 due to high temperature of the cable fireproof sheath body 1 is reduced, the heat dissipation capacity of the cable fireproof sheath body 1 is improved, the working process of the whole device is facilitated, and the contents which are not described in detail in the specification belong to the prior art known by professionals in the field.

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. Flexible fireproof cable of copper sheathing, including cable fire protection sheath body (1), its characterized in that: the surface of cable fire prevention sheath body (1) inner wall is provided with a plurality of interlayer subassembly (2), and is a plurality of the center department of interlayer subassembly (2) is provided with mica tape (3), the inner wall connection of mica tape (3) has conductor (4), cable fire prevention sheath body (1) top is provided with a plurality of fire prevention subassembly (5) respectively with the bottom, the both sides of cable fire prevention sheath body (1) are provided with a plurality of radiator unit (6).

2. The copper-sheathed flexible fireproof cable according to claim 1, wherein: interlayer subassembly (2) including with cable fire protection sheath body (1) internal face fixed connection's separation sleeve (21), be connected with a plurality of flexible support bars (22) between separation sleeve (21) inner wall and cable fire protection sheath body (1) inner wall.

3. The copper-sheathed flexible fireproof cable of claim 2, wherein: the top end of the isolation sleeve (21) positioned on two sides of the inner wall of the cable fireproof sheath body (1) is provided with a plurality of through holes (23), and the positions of the isolation sleeve (21) provided with the through holes (23) correspond to the positions of the two radiating assemblies (6) respectively.

4. The copper-sheathed flexible fireproof cable according to claim 1, wherein: the fireproof assembly (5) comprises two semi-ring bodies (51), the bottom ends of the two semi-ring bodies (51) are respectively and fixedly sleeved on the surface of the cable fireproof sheath body (1), and a connecting piece (52) is fixedly connected between one opposite side of each semi-ring body (51).

5. The copper-sheathed flexible fireproof cable of claim 4, wherein: a placing groove (53) is formed in the semi-ring body (51), and heat-resistant liquid (54) is injected into the placing groove (53).

6. The copper-sheathed flexible fireproof cable according to claim 1, wherein: the heat dissipation assembly (6) comprises a square groove (61) arranged on the surface of the cable fireproof sheath body (1), two air holes (62) are formed in the inner wall of the square groove (61), and the two air holes (62) are formed in the inclined direction.

7. The copper-sheathed flexible fireproof cable according to claim 6, wherein: the top of the square groove (61) is fixedly connected with a protective cover (63), and the vent hole (62) is communicated with the isolation sleeve (21) at the corresponding position.