CN211529680U

CN211529680U - High-temperature-resistant cable

Info

Publication number: CN211529680U
Application number: CN201922121229.1U
Authority: CN
Inventors: 丁士国
Original assignee: Individual
Current assignee: Daqing Fuxi Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-09-18
Anticipated expiration: 2029-12-02

Abstract

The utility model provides a high temperature resistant cable, which relates to the technical field of cables, and comprises three cable cores, wherein the outer walls of the three cable cores are all sleeved with an insulating sleeve, the outer wall of the insulating sleeve is sleeved with a high temperature resistant sleeve, the outer parts of the three cable cores are sleeved with an inner cylinder, the inner part of the inner cylinder is filled with a flame retardant layer, the outer wall of the inner cylinder is fixedly connected with a high temperature resistant inner layer, the high temperature resistant cable is sleeved with a high temperature resistant inner layer between the cable core and a wear-resistant layer, the influence of external high temperature on the cable core can be reduced, the outer part of the high temperature resistant inner layer is provided with a cavity, the temperature transmitted from the external high temperature to the high temperature resistant inner layer is reduced by utilizing the phenomenon of low air heat conductivity, the high temperature resistance of the cable is further improved, the pull rib and the protective net ensure the high temperature resistance of the cable, the strength of the cable is ensured, the service life, the inside of cable is conveniently dispelled the heat.

Description

High-temperature-resistant cable

Technical Field

The utility model relates to the technical field of cables, specifically be a high temperature resistant cable.

Background

The wire and cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion. The broad electric wire cable is also called as cable for short, the narrow cable is insulated cable, it can be defined as aggregate, one or more insulated wire cores, and their possible coating layer, total protective layer and outer protective layer, the cable can also have additional uninsulated conductor, the high temperature resistant ground wire cable of application No. CN201820907722.9, although the high temperature resistant effect is achieved through the cavity, at the same time, the strength of the cable is reduced, the cable is easy to break in the using process, at the same time, the temperature in the cable is not easy to scatter.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high temperature resistant cable has solved the contrast file and has reduced the intensity of cable, easy fracture in the cable use, the inside temperature of cable is the difficult problem that effuses simultaneously.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a high temperature resistant cable, includes three cable core, it is three the outer wall of cable core has all cup jointed insulating cover, insulating cover's outer wall has cup jointed high temperature resistant cover, and is three the inner tube has been cup jointed to cable core's outside, the inside packing of inner tube has fire-retardant layer, the outer wall fixedly connected with high temperature resistant inlayer of inner tube, the outer wall joint of high temperature resistant inlayer has the bracing piece, the other end of bracing piece is connected with the urceolus, and the urceolus cover locates the outside of high temperature resistant inlayer, vacuole formation between urceolus and the high temperature resistant inlayer, the outer wall of urceolus has cup jointed the protecting wire net, and the outer wall of protecting wire net has.

Further, the inside of wearing layer is pegged graft and is had silica gel heat conduction rod, and the tip of silica gel heat conduction rod extends to the inside of inner tube.

Further, the outer wall of wearing layer has seted up the notch corresponding with silica gel heat conduction pole, the outer end of silica gel heat conduction pole does not extend to the outside of notch.

Further, the outer wall fixedly connected with lug of urceolus, and the tip of lug runs through the protecting wire net and inserts the inside of wearing layer, the draw-in groove that has lug looks adaptation is seted up to the inner wall of wearing layer.

Further, the outer wall both ends of bracing piece all are equipped with the arc board rather than bonding, and the arc board lateral wall of both sides is contradicted with the outer wall of high temperature resistant inlayer and the inner wall of urceolus.

Furthermore, the outer wall joint of high temperature resistant inlayer has the lacing wire parallel rather than the axis, and the lacing wire is annular array and distributes.

(III) advantageous effects

The utility model provides a high temperature resistant cable. The method has the following beneficial effects:

1. this high temperature resistant cable has cup jointed the high temperature resistant inlayer between cable core and wearing layer, can reduce the influence of external high temperature to the cable core, and the outside on high temperature resistant inlayer has the cavity, utilize the phenomenon that the air thermal conductivity is low, the temperature that external high temperature transmitted to high temperature resistant inlayer has been reduced, the high temperature resistance of this cable has further been improved, simultaneously at the internally mounted lacing wire and the protecting wire net of cable, guarantee its intensity when guaranteeing cable high temperature resistance, increase of service life.

2. This high temperature resistant cable, silica gel heat conduction pole have good heat conductivility, can derive the heat around the cable core, conveniently dispel the heat to the inside of cable, when the notch that the wearing layer outer wall was seted up made silica gel heat conduction pole not stretch out the wearing layer, increased with external area of contact, conveniently dispel the heat, the notch bore is little can produce the shadow when shining by sunshine simultaneously and shelter from silica gel heat conduction pole, avoids silica gel heat conduction pole to be heated in the external world.

Drawings

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

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is an internal schematic view of the high temperature resistant sleeve of the present invention.

In the figure: the cable comprises a cable core 1, an insulating sleeve 2, a high-temperature-resistant sleeve 3, an inner cylinder 4, a flame-retardant layer 5, a high-temperature-resistant inner layer 6, a lacing wire 7, a supporting rod 8, an outer cylinder 9, a cavity 10, an arc plate 11, a protective net 12, a wear-resistant layer 13, a bump 14, a silica gel heat-conducting rod 15 and a notch 16.

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 embodiment of the utility model provides a high temperature resistant cable, as shown in fig. 1-3, including three cable cores 1, the outer wall of three cable cores 1 has all been cup jointed insulating cover 2, the outer wall of insulating cover 2 has been cup jointed high temperature resistant cover 3, the outside of three cable cores 1 has been cup jointed inner tube 4, the inside packing of inner tube 4 has fire-retardant layer 5, fire-retardant layer 5 is powdered, the material is phosphate salt, the outer wall of inner tube 4 is fixedly connected with high temperature resistant inlayer 6, the outer wall joint of high temperature resistant inlayer 6 has bracing piece 8, the other end of bracing piece 8 is connected with urceolus 9, and urceolus 9 is cup jointed the outside of high temperature resistant inlayer 6, form cavity 10 between urceolus 9 and high temperature resistant inlayer 6, the outer wall of urceolus 9 has been cup jointed protecting net 12, and the outer wall of protecting net 12 has been cup jointed wearing layer 13, insulating cover 2 and high temperature resistant cover 3 have all wrapped up in the outside of solitary cable cores 1, meanwhile, when a single cable core 1 is damaged, the use of other cable cores 1 is not influenced, the powdery flame-retardant layer 5 is filled in the inner part of the inner barrel 4, when the single cable core 1 catches fire due to overhigh temperature, the flame-retardant powder can effectively inhibit the generation of fire sources, the high-temperature-resistant inner layer 6 outside the inner barrel 4 can isolate the influence of external high temperature on the cable core 1, the supporting rod 8 enables a cavity 10 to be formed between the outer barrel 9 and the high-temperature-resistant inner layer 6, the influence of the external high temperature on the cable is further avoided by utilizing the low air heat conduction efficiency, and the protective net 12 arranged on the outer wall of the outer barrel 9 can effectively improve the tensile strength of the cable and reduce the probability of breakage in the using process.

Further, the inside of wearing layer 13 is pegged graft and is had silica gel heat conduction rod 15, and the tip of silica gel heat conduction rod 15 extends to the inside of inner tube 4, and silica gel heat conduction rod 15 has good heat conductivility, can derive the heat around the cable core 1, and the convenience is dispelled the heat to the inside of cable.

Further, notch 16 corresponding with silica gel heat-conducting rod 15 has been seted up to the outer wall of wearing layer 13, the outer end of silica gel heat-conducting rod 15 does not extend to notch 16's outside, when notch 16 that wearing layer 13 outer wall was seted up made silica gel heat-conducting rod 15 not stretch out wearing layer 13, increased with external area of contact, conveniently dispel the heat, 16 bores of notch can produce the shadow when being shone by sunshine for a short time and shelter from silica gel heat-conducting rod 15 simultaneously, avoid silica gel heat-conducting rod 15 to be heated in the external world.

Further, the outer wall fixedly connected with lug 14 of urceolus 9, and the tip of lug 14 runs through protecting wire 12 and inserts the inside of wearing layer 13, and the draw-in groove that has lug 14 looks adaptation is seted up to the inner wall of wearing layer 13, can improve the stability that urceolus 9 and wearing layer 13 are connected.

Further, the outer wall both ends of bracing piece 8 all are equipped with the arc board 11 rather than bonding, and the arc board 11 lateral wall of both sides is contradicted with the outer wall of high temperature resistant inlayer 6 and the inner wall of urceolus 9.

Further, the outer wall joint of high temperature resistant inlayer 6 has lacing wire 7 parallel rather than the axis, and lacing wire 7 is the annular array and distributes, improves high temperature resistant inlayer 6's tensile strength.

The working principle is as follows: when in use, the insulating sleeve 2 and the high temperature resistant sleeve 3 are wrapped outside the single cable core 1, so that the mutual influence between the cable cores 1 can be effectively avoided, meanwhile, when the single cable core 1 is damaged, the use of other cable cores 1 is not influenced, the powdery flame retardant layer 5 is filled inside the inner cylinder 4, when the single cable core 1 catches fire due to overhigh temperature, the flame retardant powder can effectively inhibit the generation of fire source, the high temperature resistant inner layer 6 outside the inner cylinder 4 can isolate the influence of external high temperature on the cable core 1, the cavity 10 is formed between the outer cylinder 9 and the high temperature resistant inner layer 6 by the support rod 8, the influence of external high temperature on the cable is further avoided by utilizing the low heat conduction efficiency of air, the protective net 12 arranged on the outer wall of the outer cylinder 9 can effectively improve the tensile strength of the cable, the fracture probability in the use process is reduced, and the silica gel heat conducting rod 15 has good heat conducting performance, can derive the heat around the cable core 1, conveniently dispel the heat to the inside of cable, when notch 16 that wearing layer 13 outer wall was seted up made silica gel heat-conducting rod 15 not stretch out wearing layer 13, increased with external area of contact, conveniently dispel the heat, notch 16 bore is little can produce the shadow when shining by sunshine and shelter from silica gel heat-conducting rod 15 simultaneously, avoids silica gel heat-conducting rod 15 to be heated in the external world.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A high-temperature-resistant cable is characterized by comprising three cable cores (1), insulating sleeves (2) are sleeved on the outer walls of the three cable cores (1), the outer wall of the insulating sleeve (2) is sleeved with a high-temperature-resistant sleeve (3), the outer parts of the three cable cores (1) are sleeved with inner cylinders (4), the inner part of the inner cylinder (4) is filled with a flame-retardant layer (5), the outer wall of the inner cylinder (4) is fixedly connected with a high-temperature resistant inner layer (6), the outer wall of the high-temperature resistant inner layer (6) is clamped with a support rod (8), the other end of the support rod (8) is connected with an outer cylinder (9), the outer cylinder (9) is sleeved outside the high-temperature resistant inner layer (6), a cavity (10) is formed between the outer cylinder (9) and the high-temperature resistant inner layer (6), the outer wall of the outer barrel (9) is sleeved with a protective net (12), and the outer wall of the protective net (12) is sleeved with a wear-resistant layer (13).

2. A high temperature resistant cable according to claim 1, wherein: the inside of wearing layer (13) is pegged graft and is had silica gel heat conduction pole (15), and the tip of silica gel heat conduction pole (15) extends to the inside of inner tube (4).

3. A high temperature resistant cable according to claim 2, wherein: notch (16) corresponding with silica gel heat conduction pole (15) have been seted up to the outer wall of wearing layer (13), the outside that does not extend to notch (16) in the outer end of silica gel heat conduction pole (15).

4. A high temperature resistant cable according to claim 1, wherein: the outer wall fixedly connected with lug (14) of urceolus (9), and the tip of lug (14) runs through protecting wire net (12) and inserts the inside of wearing layer (13), the draw-in groove that has lug (14) looks adaptation is seted up to the inner wall of wearing layer (13).

5. A high temperature resistant cable according to claim 1, wherein: the outer wall both ends of bracing piece (8) all are equipped with arc board (11) rather than bonding, and arc board (11) lateral wall of both sides contradicts with the outer wall of high temperature resistant inlayer (6) and the inner wall of urceolus (9).

6. A high temperature resistant cable according to claim 1, wherein: the outer wall of the high-temperature-resistant inner layer (6) is clamped with lacing wires (7) parallel to the axis of the high-temperature-resistant inner layer, and the lacing wires (7) are distributed in an annular array.