CN217426463U - Flame-retardant heat-shrinkable sleeve - Google Patents
Flame-retardant heat-shrinkable sleeve Download PDFInfo
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- CN217426463U CN217426463U CN202123259967.6U CN202123259967U CN217426463U CN 217426463 U CN217426463 U CN 217426463U CN 202123259967 U CN202123259967 U CN 202123259967U CN 217426463 U CN217426463 U CN 217426463U
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Abstract
The utility model discloses a fire-retardant type heat-shrinkable bush, including the sleeve pipe main part, sleeve pipe main part inside ring is equipped with the insulating layer, the outside ring of sleeve pipe main part is equipped with fire-retardant layer and wear-resisting anticorrosive coating, wear-resisting anticorrosive coating ring is established in fire-retardant layer outside, be equipped with a plurality of inner groovies in the sleeve pipe main part on the rampart, be equipped with a plurality of outer recesses on the rampart outside the sleeve pipe main part, the inside viscose that all fills of inner groovy and outer recess has the viscose agent, the insulating layer is through the fixed adhesion of viscose agent and sleeve pipe main part on the inner groovy. The utility model discloses a set up fire-retardant layer to be equipped with the flame retardant fiber weaving layer in fire-retardant in situ, and weave the flame retardant fiber weaving layer by graphitization carbon fiber silk and glass fiber silk blending and form, graphitization carbon fiber silk and glass fiber silk all have good high temperature resistant flame retardant property, effectively increase the fire resistance of sleeve pipe main part, the setting on fire-retardant PET membrane and fire-retardant rubber layer further increases flame retardant efficiency, increases the security that the sleeve pipe main part used.
Description
Technical Field
The utility model relates to a heat-shrinkable tube related technical field specifically is a fire-retardant type heat-shrinkable tube.
Background
The heat-shrinkable sleeve is a special polyolefin heat-shrinkable sleeve, also called as EVA (ethylene-vinyl acetate copolymer), has insulation protection performance, can effectively provide insulation protection for wires, cables and wire terminals, and is widely applied to the fields of electronics, communication, automobiles and the like.
The holistic functional singleness of current heat-shrinkable tube, in the use, flame retardant efficiency is not good, is brought the potential safety hazard easily, and the holistic thermal-insulated effect of current heat-shrinkable tube is not good, when the conflagration breaing out, inside outside heat transmits the cover inside pipe fast easily to influence the stability of inner circuit, holistic wear-resisting, the corrosion resisting property of sleeve pipe is general simultaneously, leads to life weak point, needs to improve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire-retardant type heat shrinkage bush to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a fire-retardant type heat-shrinkable bush, includes the sleeve pipe main part, the inside ring of sleeve pipe main part is equipped with the insulating layer, the outside ring of sleeve pipe main part is equipped with fire-retardant layer and wear-resisting anticorrosive coating, wear-resisting anticorrosive coating ring is established in fire-retardant layer outside, be equipped with a plurality of inner groovies in the sleeve pipe main part on the rampart, be equipped with a plurality of outer recesses on the outer rampart of sleeve pipe main part, the inside viscose that all fills of inner groovy and outer recess, the insulating layer is through the fixed adhesion of viscose on the inner groovy and sleeve pipe main part, fire-retardant layer is through the fixed adhesion of viscose on the outer recess and sleeve pipe main part.
As a further preferred aspect of the present invention: the inner grooves and the outer grooves are arranged in a staggered mode, the inner grooves are circumferentially and uniformly distributed on the inner annular wall of the sleeve main body respectively, and the outer grooves are circumferentially and uniformly distributed on the outer annular wall of the sleeve main body respectively.
As a further preferred aspect of the present invention: the flame-retardant layer comprises a flame-retardant PET film, a flame-retardant fiber woven layer and a flame-retardant rubber layer, the flame-retardant fiber woven layer is fixedly adhered between the flame-retardant PET film and the flame-retardant rubber layer, and the flame-retardant rubber layer is any one of chloroprene rubber, polyvinyl chloride and silicon rubber.
As a further preferred aspect of the present invention: the flame-retardant fiber braided layer is formed by blending and weaving graphitized carbon fiber yarns and glass fiber yarns.
As further preferable in the present technical solution: the heat insulation layer comprises a heat insulation film, a rock wool fiber woven layer and a nanometer heat insulation coating, the heat insulation film is fixedly adhered to the outer surface of the rock wool fiber woven layer, and the nanometer heat insulation coating is coated on the inner surface of the rock wool fiber woven layer.
As further preferable in the present technical solution: the wear-resistant anticorrosive layer comprises an ultraviolet-resistant polyester film layer, a phenolic resin coating and a nano ceramic wear-resistant coating, wherein the phenolic resin coating is coated on the surface of the ultraviolet-resistant polyester film layer, and the nano ceramic wear-resistant coating is coated on the surface of the phenolic resin coating.
As further preferable in the present technical solution: the thickness of the phenolic resin coating and the nano ceramic wear-resistant coating is 130-140 microns, and a nano waterproof film layer is fixedly adhered to the inner annular wall of the ultraviolet-resistant polyester film layer.
The utility model provides a fire-retardant type heat shrinkage bush possesses following beneficial effect:
(1) the utility model discloses a set up fire-retardant layer to be equipped with the flame retardant fiber weaving layer in fire-retardant layer, and weave the flame retardant fiber weaving layer by graphitization carbon fiber silk and glass fiber silk blending and form, graphitization carbon fiber silk and glass fiber silk all have good high temperature resistant flame retardant property, can effectively increase the fire resistance of sleeve pipe main part, and the setting on fire-retardant PET membrane and fire-retardant rubber layer can further increase flame retardant efficiency simultaneously, increases the security that the sleeve pipe main part used.
(2) The utility model discloses a set up wear-resisting anticorrosive coating, can protect sleeve pipe main part outside, effectively increase sleeve pipe main part's life, and through setting up the insulating layer, can completely cut off outside heat to the influence of the inside circuit of sleeve pipe, guarantee to insulate against heat effectually, the safety in utilization is high.
(3) The utility model discloses a be equipped with a plurality of outer recesses and a plurality of inner groovy on outer rampart of sleeve pipe main part and the interior rampart respectively, can be so that the sleeve pipe is big with the viscose agent area of contact when insulating layer and fire-retardant layer adhesion, the adhesion is effectual, avoids appearing delaminating phenomenon, effectively improves sheathed tube life.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the thermal insulation layer of the present invention;
FIG. 3 is a schematic view of the structure of the flame retardant layer of the present invention;
FIG. 4 is a schematic structural view of the wear-resistant and corrosion-resistant layer of the present invention;
fig. 5 is a schematic view of the main structure of the sleeve of the present invention.
In the figure: 1. a cannula body; 2. a thermal insulation layer; 3. a flame retardant layer; 4. a wear-resistant anticorrosive layer; 5. a heat insulating film; 6. a rock wool fiber woven layer; 7. a nano thermal barrier coating; 8. a nano waterproof film layer; 9. an anti-ultraviolet polyester film layer; 10. a phenolic resin coating; 11. a nano ceramic wear-resistant coating; 12. a flame retardant PET film; 13. a flame-retardant fiber braid layer; 14. a flame retardant rubber layer; 15. an inner groove; 16. an outer groove.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-5, the utility model provides a technical solution: the utility model provides a fire-retardant type heat-shrinkable bush, including sleeve pipe main part 1, 1 inside rings of sleeve pipe main part are equipped with insulating layer 2, 1 outside rings of sleeve pipe main part are equipped with fire-retardant layer 3 and wear-resisting anticorrosive coating 4, wear-resisting anticorrosive coating 4 rings are established in 3 outsides on fire-retardant layer, be equipped with a plurality of inner groovy 15 on 1 rampart of sleeve pipe main part, be equipped with a plurality of outer recesses 16 on 1 rampart of sleeve pipe main part, the inside viscose that all fills of inner groovy 15 and outer recess 16, insulating layer 2 is through the fixed adhesion of viscose and sleeve pipe main part 1 on the inner groovy 15, fire-retardant layer 3 is through the fixed adhesion of viscose and sleeve pipe main part 1 on the outer recess 16.
In this embodiment, specifically: a plurality of inner groovies 15 and a plurality of outer recess 16 set up in a staggered way, and a plurality of inner groovies 15 are circumference respectively evenly distributed on sleeve pipe main part 1 rampart, and a plurality of outer recess 16 are circumference respectively evenly distributed on sleeve pipe main part 1 rampart, through setting up a plurality of inner groovies 15 and a plurality of outer recess 16, can increase sleeve pipe main part 1 with insulating layer 2 and 3 adhesion on flame retardant coating when with viscose agent area of contact, can guarantee that the adhesion is effectual, stability is high.
In this embodiment, specifically: the flame-retardant layer 3 comprises a flame-retardant PET film 12, a flame-retardant fiber woven layer 13 and a flame-retardant rubber layer 14, the flame-retardant fiber woven layer 13 is fixedly adhered between the flame-retardant PET film 12 and the flame-retardant rubber layer 14, the flame-retardant rubber layer 14 is any one of chloroprene rubber, polyvinyl chloride and silicon rubber, the flame-retardant PET film 12 and the flame-retardant rubber layer 14 have high-temperature-resistant flame-retardant effects, and the flame-retardant PET film and the flame-retardant rubber layer are compounded to ensure that the flame-retardant effect of the sleeve main body 1 is good.
In this embodiment, specifically: the flame retardant fiber weaving layer 13 is formed by weaving graphitized carbon fiber yarns and glass fiber yarns in a blending manner, wherein the graphitized carbon fiber yarns and the glass fiber yarns have higher flame retardant property, and the graphitized carbon fiber yarns and the glass fiber yarns are woven into the flame retardant layer 3 in a blending manner, so that the flame retardant property of the sleeve main body 1 can be further improved, and the use safety of the sleeve main body 1 can be further improved.
In this embodiment, specifically: insulating layer 2 includes thermal-insulated membrane 5, rock wool fibre weaving layer 6 and nanometer thermal barrier coating 7, thermal-insulated membrane 5 is fixed to be glued on 6 surfaces of rock wool fibre weaving layer, nanometer thermal barrier coating 7 coating is on 6 internal surfaces of rock wool fibre weaving layer, wherein thermal-insulated membrane 5 can completely cut off partly heat, and rock wool fibre weaving layer 6 is owing to adopt the asbestos fibre to make, the asbestos fibre has good thermal-insulated, heat-resisting and fire behaviour, can effectively play isolated thermal effect, nanometer thermal barrier coating 7 can further completely cut off outside heat simultaneously, effectively protect the inside circuit of cover pipe.
In this embodiment, specifically: wear-resisting anticorrosive coating 4 includes ultraviolet resistance polyester film layer 9, phenolic resin coating 10 and nanometer ceramic wear-resisting coating 11, the coating of phenolic resin coating 10 is on ultraviolet resistance polyester film layer 9 surface, the coating of nanometer ceramic wear-resisting coating 11 is on phenolic resin coating 10 surface, ultraviolet resistance polyester film has good ageing resistance and corrosion resistance, phenolic resin coating 10 can further improve corrosion resistance, nanometer ceramic wear-resisting coating 11's setting simultaneously, can increase the wear resistance of sleeve pipe main part 1, can effectively protect sleeve pipe main part 1.
In this embodiment, specifically: the thickness of the phenolic resin coating 10 and the nano ceramic wear-resistant coating 11 is 130-140 micrometers, the inner annular wall of the ultraviolet-resistant polyester film layer 9 is fixedly adhered with the nano waterproof film layer 8, and the nano waterproof film layer 8 is arranged, so that the whole waterproofness of the casing main body 1 can be increased, the circuit in the casing main body 1 can be prevented from being eroded by water invading from the outside, and the protective performance of the casing main body 1 is improved.
The flame-retardant heat-shrinkable sleeve is characterized in that when the flame-retardant heat-shrinkable sleeve works, the heat-insulating layer 2 and the flame-retardant layer 3 can be adhered to the sleeve main body 1 through the adhesive in the inner grooves 15 and the outer grooves 16, and the outer grooves 16 and the inner grooves 15 can ensure that the sleeve main body 1 has a large contact area with the adhesive when being adhered to the heat-insulating layer 2 and the flame-retardant layer 3, so that the adhesion effect is good, and the delamination phenomenon is avoided; by arranging the flame-retardant layer 3 and weaving the flame-retardant fiber weaving layer 13 by blending graphitized carbon fiber yarns and glass fiber yarns, the graphitized carbon fiber yarns and the glass fiber yarns have higher flame-retardant property, and the graphitized carbon fiber yarns and the glass fiber yarns are woven into the flame-retardant layer 3 by blending, so that the flame-retardant property of the sleeve main body 1 can be further improved, and the use safety of the sleeve main body 1 can be further improved, meanwhile, the flame-retardant PET film 12 and the flame-retardant rubber layer 14 both have high-temperature-resistant flame-retardant effect and are compounded, so that the flame-retardant effect of the sleeve main body 1 is good, the high-temperature-resistant flame-retardant property of the sleeve main body 1 is effectively improved, the use safety is improved, by arranging the heat-insulating layer 2, when a fire occurs, the heat outside can be blocked by the heat-insulating layer 2, the heat is prevented from diffusing to the inside of the sleeve main body 1 to influence the stability of a circuit, wherein, the heat-insulating film 5 can insulate a part of heat, the rock wool fiber braided layer 6 is made of rock wool fibers, and the rock wool fibers have good heat insulation, heat resistance and flame resistance, so that the effect of isolating heat can be effectively achieved, and meanwhile, the nanometer heat insulation coating 7 can further isolate external heat, so that the circuit inside the sleeve can be effectively protected; through setting up wear-resisting anticorrosive coating 4, can effectively protect sleeve pipe main part 1, wherein, ultraviolet resistance polyester film has good ageing resistance corrosion resistance, phenolic resin coating 10 can further improve corrosion resistance, the setting of nanometer ceramic wear-resisting coating 11 simultaneously, can increase sleeve pipe main part 1's wear resistance, can effectively protect sleeve pipe main part 1, the setting of nanometer waterproof rete 8, can increase sleeve pipe main part 1 holistic waterproof nature, thereby can avoid the inside circuit of sleeve pipe main part 1 to be corroded by the water of outside invasion, improve sleeve pipe main part 1's protective properties.
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 (7)
1. The utility model provides a fire-retardant type heat-shrinkable sleeve, includes sleeve pipe main part (1), its characterized in that, sleeve pipe main part (1) inside encircles and is equipped with insulating layer (2), the outside ring of sleeve pipe main part (1) is equipped with fire-retardant layer (3) and wear-resisting anticorrosive coating (4), wear-resisting anticorrosive coating (4) encircle and establish in fire-retardant layer (3) outside, be equipped with a plurality of inner groovy (15) on sleeve pipe main part (1) the rampart, be equipped with a plurality of outer recess (16) on sleeve pipe main part (1) the rampart, inner groovy (15) and outer recess (16) inside all are filled with the viscose agent, insulating layer (2) are through the fixed adhesion of viscose agent on inner groovy (15) and sleeve pipe main part (1), fire-retardant layer (3) are through the fixed adhesion of viscose agent on outer recess (16) and sleeve pipe main part (1).
2. The flame-retardant heat-shrinkable sleeve according to claim 1, wherein: the inner grooves (15) and the outer grooves (16) are arranged in a staggered mode, the inner grooves (15) are circumferentially and uniformly distributed on the inner annular wall of the sleeve main body (1) respectively, and the outer grooves (16) are circumferentially and uniformly distributed on the outer annular wall of the sleeve main body (1) respectively.
3. The flame-retardant heat-shrinkable sleeve according to claim 1, wherein: the flame-retardant layer (3) comprises a flame-retardant PET film (12), a flame-retardant fiber woven layer (13) and a flame-retardant rubber layer (14), the flame-retardant fiber woven layer (13) is fixedly adhered between the flame-retardant PET film (12) and the flame-retardant rubber layer (14), and the flame-retardant rubber layer (14) is any one of chloroprene rubber, polyvinyl chloride and silicon rubber.
4. The flame-retardant heat-shrinkable sleeve according to claim 3, wherein: the flame-retardant fiber braided layer (13) is formed by blending and weaving graphitized carbon fiber yarns and glass fiber yarns.
5. The flame-retardant heat-shrinkable sleeve according to claim 1, wherein: the heat insulation layer (2) comprises a heat insulation film (5), a rock wool fiber woven layer (6) and a nanometer heat insulation coating (7), the heat insulation film (5) is fixedly adhered to the outer surface of the rock wool fiber woven layer (6), and the nanometer heat insulation coating (7) is coated on the inner surface of the rock wool fiber woven layer (6).
6. The flame-retardant heat-shrinkable sleeve according to claim 1, wherein: the wear-resistant anticorrosive layer (4) comprises an ultraviolet-resistant polyester film layer (9), a phenolic resin coating (10) and a nano ceramic wear-resistant coating (11), wherein the phenolic resin coating (10) is coated on the surface of the ultraviolet-resistant polyester film layer (9), and the nano ceramic wear-resistant coating (11) is coated on the surface of the phenolic resin coating (10).
7. The flame-retardant heat-shrinkable sleeve according to claim 6, wherein: the thickness of the phenolic resin coating (10) and the nano ceramic wear-resistant coating (11) is 130-140 microns, and a nano waterproof film layer (8) is fixedly adhered to the inner annular wall of the ultraviolet-resistant polyester film layer (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123259967.6U CN217426463U (en) | 2021-12-23 | 2021-12-23 | Flame-retardant heat-shrinkable sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123259967.6U CN217426463U (en) | 2021-12-23 | 2021-12-23 | Flame-retardant heat-shrinkable sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217426463U true CN217426463U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123259967.6U Active CN217426463U (en) | 2021-12-23 | 2021-12-23 | Flame-retardant heat-shrinkable sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217426463U (en) |
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2021
- 2021-12-23 CN CN202123259967.6U patent/CN217426463U/en active Active
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