CN209487200U - A kind of fire resistant electric wire cable - Google Patents

Abstract

The utility model discloses be related to electric wire technical field of cables, specially a kind of fire resistant electric wire cable, including core, elastic rubber layer and silica gel tube layer, the core is equipped with multiple groups, the fixed inside for being located at rubber filling layer of multiple groups core, the periphery of rubber filling layer is coated with internal insulating layer, core most external is equipped with silica gel tube layer in the utility model, silica gel tube layer has good high temperature resistance, and hydrophobicity is preferable, thermal conductivity is good, enable the heat on electric wire cable is good to export, increase the service life of electric wire cable, multiple groups rubber tube is equipped in the utility model in elastic rubber layer, rubber tube and elastic rubber layer all have certain elastic telescopic performance, so that the entire compression of electric wire cable increases, internal core is hardly damaged.

Description

A kind of fire resistant electric wire cable

Technical field

The utility model relates to electric wire technical field of cables, specially a kind of fire resistant electric wire cable.

Background technique

The aggregate that electric wire cable consists of following parts；One or more insulated wire cores and each may have Some clads, total protective layer and outer jacket, cable can also have the additional conductor not insulated, in the prior art electric wire cable High temperature resistance it is often poor, that is, the outside of itself coats by insulator, causes thermal diffusivity poor, thereby reduces electricity The high temperature resistance of line cable.

Above-mentioned drawback is solved for this purpose, we have proposed a kind of fire resistant electric wire cables with good.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of fire resistant electric wire cable Problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of fire resistant electric wire cable, including line Core, elastic rubber layer and silica gel tube layer, the core are equipped with multiple groups, the fixed inside for being located at rubber filling layer of multiple groups core, rubber The periphery of glue filled layer is coated with internal insulating layer, and the periphery of internal insulating layer is coated with elastic rubber layer, in elastic rubber layer Rubber tube of the portion filled with the rounded array-like distribution of multiple groups, is fixedly connected, elastic rubber between rubber tube and elastic rubber layer The periphery of layer is coated with external insulation, and the periphery of external insulation is coated with outer fire resistant layer, is arranged at the outer ring of outer fire resistant layer There is silica gel tube layer, the surface of silica gel tube layer is equipped with multiple groups heat release hole, is equipped with outer heat sink strip and interior heat dissipation between adjacent heat release hole Item.

Preferably, the rubber filling layer casting hot pressing forms, and fixed one is formed between rubber filling layer and core Structure.

Preferably, the internal insulating layer is bonded at the outer ring of rubber filling layer by glue, outside internal insulating layer It is bonded between elastic rubber layer also by glue at circle.

Preferably, it is bonded between the external insulation and elastic rubber layer by glue, at the outer ring of external insulation By being bonded between glue and outer fire resistant layer.

Preferably, the silica gel tube layer is fixed at the outer ring of outer fire resistant layer by hot pressing, the heat release hole in silica gel tube layer Also cross the Internal and external cycle setting of silica gel tube layer.

Preferably, the outer heat sink strip is integrally disposed upon the outer ring of silica gel tube layer in the strip structure that section is arc convex Place, the interior heat sink strip are integrally disposed upon at the inner ring of silica gel tube layer in the strip structure that section is arc convex.

Compared with prior art, the utility model has the beneficial effects that

1. core most external is equipped with silica gel tube layer in the utility model, silica gel tube layer has good high temperature resistance, and Hydrophobicity is preferable, and thermal conductivity is good, enables the heat on electric wire cable is good to export, and increase electric wire cable uses the longevity Life；

2. being equipped with multiple groups rubber tube in the utility model in elastic rubber layer, rubber tube and elastic rubber layer are all had centainly Elastic telescopic performance so that the entire compression of electric wire cable increases, internal core is hardly damaged；

3. internal insulating layer and external insulation are protected in the interior of outer fire resistant layer and silica gel tube layer in the utility model Portion further ensures insulating layer not cracky, and has dual guarantee, improves the security performance integrally used；

4. being separated by between internal insulating layer and external insulation by elastic rubber layer in the utility model, have one each other Fixed scalability and buffer action can also be used internal insulating layer to be protected in the case where external insulation breakage, real It is strong with property, and make simple, suitable popularization.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is structure enlargement diagram at A in the utility model Fig. 1.

In figure: core 1, rubber filling layer 2, internal insulating layer 3, elastic rubber layer 4, rubber tube 5, external insulation 6, outer Flame-retardant layer 7, silica gel tube layer 8, heat release hole 9, outer heat sink strip 10, interior heat sink strip 11.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1 to Fig. 2 is please referred to, the utility model provides a kind of technical solution: a kind of fire resistant electric wire cable, including core 1, elastic rubber layer 4 and silica gel tube layer 8, core 1 are equipped with multiple groups, the fixed inside for being located at rubber filling layer 2 of multiple groups core 1, rubber The casting hot pressing of glue filled layer 2 forms, and fixed integral structure is formed between rubber filling layer 2 and core 1；

The periphery of rubber filling layer 2 is coated with internal insulating layer 3, and the periphery of internal insulating layer 3 is coated with elastic rubber layer 4, internal insulating layer 3 is bonded at the outer ring of rubber filling layer 2 by glue, at the outer ring of internal insulating layer 3 and elastic rubber It is bonded between layer 4 also by glue；

Rubber tube 5 filled with the rounded array-like distribution of multiple groups inside elastic rubber layer 4, rubber tube 5 and elastic rubber It is fixedly connected between layer 4, the periphery of elastic rubber layer 4 is coated with external insulation 6, and the periphery of external insulation 6 is coated with outer Flame-retardant layer 7 is bonded between external insulation 6 and elastic rubber layer 4 by glue, passes through glue at the outer ring of external insulation 6 It is bonded between outer fire resistant layer 7, is equipped with multiple groups rubber tube 5, rubber tube 5 and elastic rubber in the utility model in elastic rubber layer 4 Glue-line 4 all has certain elastic telescopic performance, so that the entire compression of electric wire cable increases, internal core 1 is not easy Damage；

Silica gel tube layer 8 is arranged at the outer ring of outer fire resistant layer 7, silica gel tube layer 8 is fixed on the outer of outer fire resistant layer 7 by hot pressing At circle, the heat release hole 9 in silica gel tube layer 8 is arranged also cross the Internal and external cycle of silica gel tube layer 8, and the surface of silica gel tube layer 8 is equipped with more Heat release hole 9 is organized, outer heat sink strip 10 and interior heat sink strip 11 are equipped between adjacent heat release hole 9, outer heat sink strip 10 is arc in section The strip structure of protrusion is integrally disposed upon at the outer ring of silica gel tube layer 8, and interior heat sink strip 11 is the strip knot of arc convex in section Structure is integrally disposed upon at the inner ring of silica gel tube layer 8, and 1 most external of core is equipped with silica gel tube layer 8, silica gel tube layer 8 in the utility model With good high temperature resistance, and hydrophobicity is preferable, and thermal conductivity is good, enables the heat on electric wire cable is good to lead Out, increase the service life of electric wire cable, internal insulating layer 3 and external insulation 6 are protected in extrernal resistance in the utility model The inside for firing layer 7 and silica gel tube layer 8 further ensures insulating layer not cracky, and has dual guarantee, improves whole make Security performance is separated by between internal insulating layer 3 and external insulation 6 by elastic rubber layer 4 in the utility model, each other With certain scalability and buffer action, internal insulating layer 3 can also be used to carry out in the case where 6 breakage of external insulation Protection, it is practical, and make simple, suitable popularization.

Working principle: the outer heat sink strip 10 in device in silica gel tube layer 8 increases the contact area between outside air, The heat conduction and heat radiation efficiency of silica gel tube layer 8 is increased, interior heat sink strip 11 increases between silica gel tube layer 8 and electric wire cable interior layer Its internal heat can preferably be exported, cooperate the heat release hole 9 in silica gel tube layer 8, so that heat is arranged rapidly by contact area Out, the protectiveness and service life of electric wire cable are increased, high temperature resistance is stronger, more practical.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of fire resistant electric wire cable, including core (1), elastic rubber layer (4) and silica gel tube layer (8), it is characterised in that: institute Core (1) is stated equipped with multiple groups, the fixed inside for being located at rubber filling layer (2) of multiple groups core (1), the periphery of rubber filling layer (2) It is coated with internal insulating layer (3), the periphery of internal insulating layer (3) is coated with elastic rubber layer (4), and elastic rubber layer (4) is internal Rubber tube (5) filled with the rounded array-like distribution of multiple groups, is fixedly connected, bullet between rubber tube (5) and elastic rubber layer (4) The periphery of property rubber layer (4) is coated with external insulation (6), and the periphery of external insulation (6) is coated with outer fire resistant layer (7), outside It is arranged at the outer ring of flame-retardant layer (7) silica gel tube layer (8), the surface of silica gel tube layer (8) is equipped with multiple groups heat release hole (9), adjacent Outer heat sink strip (10) and interior heat sink strip (11) are equipped between heat release hole (9).

2. a kind of fire resistant electric wire cable according to claim 1, it is characterised in that: rubber filling layer (2) casting Hot pressing forms, and forms fixed integral structure between rubber filling layer (2) and core (1).

3. a kind of fire resistant electric wire cable according to claim 1, it is characterised in that: the internal insulating layer (3) passes through Glue is bonded at the outer ring of rubber filling layer (2), is also led between elastic rubber layer (4) at the outer ring of internal insulating layer (3) Cross glue bonding.

4. a kind of fire resistant electric wire cable according to claim 1, it is characterised in that: the external insulation (6) and bullet Property rubber layer (4) between bonded by glue, by being glued between glue and outer fire resistant layer (7) at the outer ring of external insulation (6) It closes.

5. a kind of fire resistant electric wire cable according to claim 1, it is characterised in that: the silica gel tube layer (8) passes through heat Pressing is scheduled at the outer ring of outer fire resistant layer (7), and the heat release hole (9) in silica gel tube layer (8) is also cross the inside and outside of silica gel tube layer (8) Circle setting.

6. a kind of fire resistant electric wire cable according to claim 1, it is characterised in that: the outer heat sink strip (10) is in section It is integrally disposed upon at the outer ring of silica gel tube layer (8) for the strip structure of arc convex, the interior heat sink strip (11) is arc in section The strip structure of shape protrusion is integrally disposed upon at the inner ring of silica gel tube layer (8).