CN219133510U - High flame-retardant composite heat-shrinkable tube for automobile - Google Patents
High flame-retardant composite heat-shrinkable tube for automobile Download PDFInfo
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- CN219133510U CN219133510U CN202223015457.9U CN202223015457U CN219133510U CN 219133510 U CN219133510 U CN 219133510U CN 202223015457 U CN202223015457 U CN 202223015457U CN 219133510 U CN219133510 U CN 219133510U
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- tube
- outer sheath
- inner tube
- flexible cloth
- retardant composite
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title description 11
- 239000004744 fabric Substances 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000003365 glass fiber Substances 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims description 11
- 230000008719 thickening Effects 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 229920002748 Basalt fiber Polymers 0.000 description 8
- 239000002346 layers by function Substances 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
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- 230000035882 stress Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000002103 nanocoating Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a high-flame-retardant composite heat-shrinkable tube for an automobile, which belongs to the field of heat-shrinkable tubes and comprises an inner tube, wherein an outer sheath tube is welded on the outer side of the inner tube, flexible cloth is inserted between the outer side of the inner tube and the inner side of the outer sheath tube, a distribution mechanism is further arranged on the inner side of the outer sheath tube, a plurality of fold parts are distributed on the flexible cloth along a circumferential array, a plurality of glass fibers are bonded on the outer side of the flexible cloth, a rubber ring is welded on the outer side of the inner tube at the inner side of the outer sheath tube, a plurality of traction rings penetrate through and are fixedly arranged on the outer side of the rubber ring, one side of each traction ring penetrates through and is fixedly connected with one end of each fold part, a sealing ring is welded between the outer side of the inner tube and one end of the outer sheath tube, and a meshing groove sleeved with one end of each sealing ring is further formed on the inner tube, so that the blocking effect of the inner side of each sealing ring can be relieved when the heat-shrinkable tube deforms, and a cable can be tightly adhered when the automobile is wrapped.
Description
Technical Field
The utility model relates to the field of heat shrinkable tubes, in particular to a high-flame-retardance composite heat shrinkable tube for an automobile.
Background
The heat shrinkage tube has the functions of high-temperature shrinkage, softness, flame retardance, insulation and corrosion resistance, is widely applied to the insulation protection of various wire harnesses, welding spots and inductors, rust prevention, corrosion resistance and the like of metal tubes and rods, is sleeved with the heat shrinkage tube for protection in the existing automobile, and the demand of the heat shrinkage tube for automobiles is gradually increased along with the popularization of electric automobiles;
according to patent search, chinese patent with publication number of CN216832539U discloses a heat shrinkable tube for new energy automobiles, which comprises a heat shrinkable tube body, wherein the heat shrinkable tube body comprises a heat shrinkable tube base layer, an outer side functional layer, an inner side functional layer and a basalt fiber layer, the outer side functional layer comprises a high-strength nano coating and a polyvinyl chloride insulating layer, the inner side functional layer comprises a nano waterproof coating and an insulating coating, the inner side functional layer is arranged on the outer side of the heat shrinkable tube base layer, the basalt fiber layer is arranged on the outer side of the inner side functional layer, and the outer side functional layer is arranged on the outer side of the basalt fiber layer, so that the heat shrinkable tube has excellent mechanical strength and good chemical stability, can resist aging, water and chemical corrosion, is combined with the basalt fiber layer, and has excellent performances of high temperature resistance, oxidation resistance, radiation resistance, heat insulation, sound insulation, compression strength and shearing strength, and the like, and is suitable for being used in various environments;
however, in the process of coating the cable by the existing heat shrinkable tube for the automobile, the heat shrinkable tube body is overlapped with an insulating coating, a basalt fiber layer, a high-strength nano coating, a nano waterproof coating and a polyvinyl chloride insulating layer, so that the heat shrinkable tube for the automobile can resist mechanical impact and thermal shock, has excellent performances such as high temperature resistance, oxidation resistance, radiation resistance, heat insulation and sound insulation, high compression strength and shearing strength, and is suitable for being used in various environments, the elasticity of the basalt fiber layer is low, the deformation degree of the basalt fiber layer under the action of heating shrinkage is small, the inside of the heat shrinkable tube is easy to be blocked by the basalt fiber layer when the heat shrinkable tube is deformed, the deformation degree of the heat shrinkable tube is small, and the problem that the heat shrinkable tube for the automobile is difficult to be attached to the cable due to the small deformation degree when the heat shrinkable tube is coated on the cable is solved.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the utility model aims to provide the high-flame-retardant composite heat-shrinkable tube for the automobile, which can relieve the internal blocking effect of the heat-shrinkable tube during deformation, so that the heat-shrinkable tube for the automobile can be tightly attached to a cable when the cable is coated.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a high fire-retardant composite pyrocondensation pipe for car, includes the inner tube, the outside welding of inner tube has the outer sheath pipe, peg graft between the outside of inner tube and the inboard of outer sheath pipe has flexible cloth, the inboard of outer sheath pipe still is provided with distribution mechanism, there are a plurality of fold portions along circumference array distribution on the flexible cloth, the outside bonding of flexible cloth has a plurality of glass fiber.
Further, the inner tube outside is located the inside position welding of outer sheath pipe and has the rubber ring, the outside of rubber ring runs through fixed mounting has a plurality of traction rings, one side of traction ring runs through fixed connection in the one end of fold portion.
Further, a sealing ring is welded between the outer side of the inner tube and one end of the outer sheath tube, and an engagement groove sleeved with one end of the sealing ring is further formed in the inner tube.
Further, the distribution mechanism comprises a plurality of sinking grooves distributed on the inner side of the outer sheath tube along the circumferential array, high-temperature glue is adhered to the inside of the sinking grooves, and one end of the high-temperature glue extends out of the inside of the sinking grooves and is adhered to the outer surface of the flexible cloth.
Further, one end of the outer sheath pipe far away from the sealing ring is provided with a waveform section, and a thickening part is welded at the joint of one end of the waveform section and the outer side of the inner pipe.
Further, half of the width of the fold part is larger than the width of the sinking groove, and a gap is reserved between the rubber ring and the thickening part.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) According to the scheme, when the cable is coated, the heat shrinkage tube is heated by the handheld heater, the temperature of the inner tube and the temperature of the outer sheath tube are increased, shrinkage deformation occurs, flexible cloth and glass fibers are extruded inwards, the flexible cloth is compressed and flattened to the fold part, so that the stress effect between the inner tube and the outer sheath tube is reduced, the inner blocking effect on the deformation of the heat shrinkage tube can be relieved, the inner tube and the outer sheath tube are convenient to have good heat shrinkage performance, the cable can be tightly attached to the heat shrinkage tube for automobiles when the cable is coated, the friction effect between the heat shrinkage tube and the cable is increased, the cable is fixed, the flexible cloth and the glass fibers are not combusted at high temperature, and the heat shrinkage tube made of the composite material has high flame retardant property.
(2) According to the scheme, when the flexible cloth is extruded through deformation of the outer sheath tube, the flexible cloth is pulled from a plurality of positions through high-temperature glue in the sinking groove, the flexible cloth is supported in the circumferential direction, the extrusion effect of the flexible cloth is dispersed uniformly as much as possible, the flexible cloth is uniformly distributed in the gap between the inner tube and the outer sheath tube, a high flame-retardant protective layer is formed, and the thickness is as uniform as possible.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
The reference numerals in the figures illustrate:
1. an inner tube; 2. an outer sheath; 3. a flexible cloth; 4. a fold portion; 5. glass fibers; 6. a rubber ring; 7. a traction ring; 8. a seal ring; 9. a snap groove; 10. a sinking groove; 11. high-temperature glue; 12. a waveform segment; 13. a thickening.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Examples:
referring to fig. 1-4, a high flame retardant composite heat shrinkage pipe for an automobile comprises an inner pipe 1, an outer sheath pipe 2 is welded on the outer side of the inner pipe 1, the inner pipe 1 and the outer sheath pipe 2 are made of the same materials, synchronous shrinkage or expansion is carried out when the cable is coated, flexible cloth 3 is inserted between the outer side of the inner pipe 1 and the inner side of the outer sheath pipe 2, the flexible cloth 3 is made of polysulfonamide fibers, the high temperature environment can be resisted, meanwhile, good flexibility is achieved, a distribution mechanism is further arranged on the inner side of the outer sheath pipe 2, a plurality of fold parts 4 are distributed on the flexible cloth 3 along a circumferential array, a plurality of glass fibers 5 are bonded on the outer side of the flexible cloth 3, the cable penetrates into the inner side of the inner pipe 1, the heat shrinkage pipe is moved to a designated position of the cable, when the cable is coated, the cable is heated by a handheld heater, the temperature of the inner pipe 1 and the outer sheath pipe 2 rises, shrinkage deformation occurs, the flexible cloth 3 and the glass fibers 5 are inwards extruded, the flexible cloth 3 is compressed and flattened to the fold parts 4, so that the stress effect between the inner pipe 1 and the outer sheath pipe 2 can be reduced, the inner pipe 1 and the outer sheath pipe 2 can be relieved, the high temperature of the cable can be synchronously shrunk and the cable can be conveniently coated with the cable, the cable can not be subjected to the high flame retardant performance, the cable can be conveniently and the high flame retardant composite heat shrinkage pipe, and the cable can be conveniently coated with the cable, and the cable can be subjected to the high temperature and the high flame retardant performance.
Referring to fig. 2 and 4, the inner tube 1 is welded with the rubber ring 6 at the inner position of the outer sheath tube 2, the rubber ring 6 is made of the same material as the inner tube 1, the inner tube 1 is convenient to deform synchronously, a plurality of traction rings 7 are fixedly installed on the outer side of the rubber ring 6 in a penetrating mode, the traction rings 7 are made of alloy steel, good rigidity can be kept in a high-temperature environment, one side of each traction ring 7 is fixedly connected with one end of the corresponding fold portion 4 in a penetrating mode, the traction rings 7 are fixed through the rubber ring 6, the fold portion 4 can be pulled by the traction rings 7, the flexible cloth 3 is locked between the inner tube 1 and the outer sheath tube 2, and slipping of the flexible cloth 3 in the heat shrinkage tube is avoided.
Referring to fig. 2 and 3, the distribution mechanism includes a plurality of sinking grooves 10 distributed along a circumferential array on the inner side of the outer sheath tube 2, a half of the width of the fold portion 4 is larger than the width of the sinking groove 10, high-temperature glue 11 is adhered to the inside of the sinking groove 10, one end of the high-temperature glue 11 extends out of the inside of the sinking groove 10 and adheres to the outer surface of the flexible cloth 3, when the outer sheath tube 2 deforms and extrudes the flexible cloth 3, the flexible cloth 3 is pulled from a plurality of places through the high-temperature glue 11 in the sinking groove 10, the flexible cloth 3 is supported in the circumferential direction, the extrusion effect of the flexible cloth 3 is uniformly dispersed as much as possible, the flexible cloth 3 is uniformly distributed to the gap between the inner tube 1 and the outer sheath tube 2, and a high flame-retardant protection layer is formed and the thickness is as uniform as much as possible.
Referring to fig. 2 and 4, a wavy section 12 is arranged at one end of the outer sheath tube 2 far away from the sealing ring 8, a thickening part 13 is welded at the joint between one end of the wavy section 12 and the outer side of the inner tube 1, a gap is reserved between the rubber ring 6 and the thickening part 13, a margin is reserved when one end of the outer sheath tube 2 is deformed through the wavy section 12, the tensile strength of the joint between the outer sheath tube 2 and the inner tube 1 is improved through the thickening part 13, the stretch-breaking effect of the joint is relieved conveniently, and the stretch-broken part of the joint is reduced.
Referring to fig. 1 and 3, a sealing ring 8 is welded between the outer side of an inner tube 1 and one end of an outer sheath tube 2, the sealing ring 8 is made of the same material as the inner tube 1, the inner tube 1 is convenient to deform synchronously, a meshing groove 9 sleeved with one end of the sealing ring 8 is formed in the inner tube 1, when the heat shrinkable tube is manufactured, a plurality of traction rings 7 are welded on a fold part 4 of a flexible cloth 3 by using the traction rings 7, the traction rings 7 are welded on the outer side of the inner tube 1, the flexible cloth 3 is fixed on the outer side of the inner tube 1 by using the rubber rings 6, the outer sheath tube 2 is sleeved on the outer side of the flexible cloth 3, one end of the outer sheath tube is welded on the outer side of the inner tube 1, high-temperature glue 11 is pumped into a sinking groove 10, the outer surface of the flexible cloth 3 is firmly bonded, and finally, the opening parts of the inner tube 1 and the outer sheath tube 2 are sealed by using the sealing rings 8, so that the composite heat shrinkable tube is formed.
Working principle: the cable penetrates into the inner tube 1, the heat shrinkage tube is moved to the appointed position of the cable, when the cable is coated, the heat shrinkage tube is heated by the handheld heater, the temperature of the inner tube 1 and the temperature of the outer sheath tube 2 are increased, shrinkage deformation occurs, the flexible cloth 3 and the glass fiber 5 are extruded inwards, the flexible cloth 3 is compressed and flattened towards the fold part 4, the stress effect between the inner tube 1 and the outer sheath tube 2 is reduced, the inner tube 1 and the outer sheath tube 2 shrink synchronously, the blocking effect on the inner part during deformation of the heat shrinkage tube can be relieved, the inner tube 1 and the outer sheath tube 2 are convenient to have good heat shrinkage performance, the cable can be tightly adhered to the heat shrinkage tube for automobiles when the cable is coated, the friction effect between the heat shrinkage tube and the cable is increased, the flexible cloth 3 and the glass fiber 5 are not combusted at high temperature, and the heat shrinkage tube made of the composite material has high flame retardant property.
When the flexible cloth 3 is extruded by deformation of the outer sheath tube 2, the flexible cloth 3 is pulled from a plurality of positions through the high-temperature glue 11 in the sinking groove 10, so that the flexible cloth 3 is supported in the circumferential direction, the extrusion effect of the flexible cloth 3 is uniformly dispersed as much as possible, the flexible cloth 3 is uniformly distributed in the gap between the inner tube 1 and the outer sheath tube 2, a high flame-retardant protective layer is formed, and the thickness is as uniform as possible.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (6)
1. The utility model provides a high fire-retardant composite pyrocondensation pipe for car, includes inner tube (1), its characterized in that: the outer side welding of inner tube (1) has outer sheath pipe (2), peg graft between the outside of inner tube (1) and the inboard of outer sheath pipe (2) has flexible cloth (3), the inboard of outer sheath pipe (2) still is provided with distributing mechanism, there are a plurality of fold portions (4) along circumference array distribution on flexible cloth (3), the outside of flexible cloth (3) bonds and has a plurality of glass fiber (5).
2. The high-flame-retardant composite heat-shrinkable tube for automobiles according to claim 1, wherein: the inner tube (1) outside is located the inside position welding of sheath pipe (2) and has glued ring (6), the outside of gluing ring (6) runs through fixed mounting has a plurality of traction rings (7), one side of traction ring (7) runs through fixed connection in the one end of fold portion (4).
3. The high-flame-retardant composite heat-shrinkable tube for automobiles according to claim 2, wherein: a sealing ring (8) is welded between the outer side of the inner tube (1) and one end of the outer sheath tube (2), and an engagement groove (9) sleeved with one end of the sealing ring (8) is further formed in the inner tube (1).
4. The high-flame-retardant composite heat-shrinkable tube for automobiles according to claim 3, wherein: the distribution mechanism comprises a plurality of sinking grooves (10) distributed on the inner side of the outer sheath tube (2) along a circumferential array, high-temperature glue (11) is adhered to the inside of the sinking grooves (10), and one end of the high-temperature glue (11) extends out of the inside of the sinking grooves (10) and is adhered to the outer surface of the flexible cloth (3).
5. The high-flame-retardant composite heat-shrinkable tube for automobiles according to claim 4, wherein: the outer sheath tube (2) is provided with wave-shaped section (12) far away from one end of sealing ring (8), the junction welding of wave-shaped section (12) one end and inner tube (1) outside has thickening portion (13).
6. The high-flame-retardant composite heat-shrinkable tube for automobiles according to claim 5, wherein: half of the width of the fold part (4) is larger than the width of the sinking groove (10), and a gap is reserved between the rubber ring (6) and the thickening part (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223015457.9U CN219133510U (en) | 2022-11-11 | 2022-11-11 | High flame-retardant composite heat-shrinkable tube for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223015457.9U CN219133510U (en) | 2022-11-11 | 2022-11-11 | High flame-retardant composite heat-shrinkable tube for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219133510U true CN219133510U (en) | 2023-06-06 |
Family
ID=86596906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223015457.9U Active CN219133510U (en) | 2022-11-11 | 2022-11-11 | High flame-retardant composite heat-shrinkable tube for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219133510U (en) |
-
2022
- 2022-11-11 CN CN202223015457.9U patent/CN219133510U/en active Active
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