CN216765169U

CN216765169U - Aramid fiber coated steel wire high-temperature-resistant sewing thread

Info

Publication number: CN216765169U
Application number: CN202123120431.6U
Authority: CN
Inventors: 王繁; 吴松圃
Original assignee: Hangzhou Zhongyi Wire Belt Co ltd
Current assignee: Hangzhou Zhongyi Wire Belt Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-17
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a high-temperature resistant sewing thread of aramid fiber coated steel wire, which comprises a core wire, a first coating layer, a fire-proof layer and a second coating layer, wherein the first coating layer is coated outside the core wire, the second coating layer is coated outside the fire-proof layer, the core wire comprises 4 strands of stainless steel fibers and 4 strands of aramid fibers which are twisted together, the second coating layer is provided with a high-temperature resistant coating, the fire-proof layer is coated outside the first coating layer, the high-temperature resistant coating layer is made of inorganic high-temperature resistant materials and can effectively prevent heat from entering and has a high-temperature resistant effect, the core wire is used as the center of the sewing thread and is twisted by 8 strands of high-strength fibers, the first coating layer is used for protecting the core wire to be intact, the second coating layer improves the strength and the heat dissipation capacity of the sewing thread, the fire-proof layer can prevent the core wire from being damaged by high-temperature flame, has a good high-temperature resistant function and can easily deal with various use scenes, meanwhile, the flame retardant capability is greatly improved, and the problem of burning and breaking in the use process is prevented.

Description

Aramid fiber coated steel wire high-temperature-resistant sewing thread

Technical Field

The utility model relates to the technical field of sewing threads, in particular to a high-temperature-resistant sewing thread made of aramid fiber coated steel wires.

Background

Sewing thread refers to thread used for sewing textile materials, plastics, leather products, books and periodicals, etc. The sewing thread has the characteristics of sewability, durability and appearance quality. Sewing threads are generally classified into: natural fiber type, chemical fiber type and mixed type; sewing thread also has its unique properties due to the difference in the material.

Among synthetic fiber sewing threads, polyester threads and nylon threads are used the most. Among the polyester yarns, three types of common polyester yarns, polyester filament yarns and polyester filament yarn elastic yarns are commonly used. The common polyester yarn has low price, high strength, good wear resistance and chemical resistance, and occupies a dominant position. The polyester filament yarn has high oil content, few joints and higher strength, so the polyester filament yarn is mainly used for sewing military products. The polyester filament elastic thread is mainly used for sewing elastic fabrics. In the sewing of luggage products, the polyester yarn is mainly used for sewing linings or auxiliary materials, and is sometimes used for surface sewing of thin leather fabrics or textile fabrics.

According to the patent publication CN204898203U, a high-strength aramid sewing thread with excellent sewing performance is formed by plying, twisting or coating a strand of 100% para-aramid continuous filament and aramid staple fiber yarn or stainless steel fiber. The utility model discloses a solved the relatively poor problem of sewability of single strand counterpoint aramid filament long filament sewing thread, kept having the high powerful characteristics of counterpoint aramid filament long filament simultaneously, the sewing thread of production can be used to multiple protection fields such as high temperature resistant, fire-retardant, but this utility model does not have to make the requirement to intensity and corrosion resistance, so provides a novel high temperature resistant sewing thread of aramid fiber package steel wire.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems and provides the aramid fiber covered steel wire high-temperature-resistant sewing thread which has a good high-temperature-resistant function, can easily cope with various use scenes, greatly improves the flame-retardant capability and prevents the problem of flame-retardant fracture in the use process.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a high temperature resistant sewing thread of aramid fiber package steel wire, includes heart yearn, parcel at the outside first cladding layer of heart yearn, flame retardant coating and the cladding at the outside second cladding layer of flame retardant coating, and the heart yearn includes that 4 strands stainless steel fiber silk and 4 strands aramid fiber silk are twisted with the fingers and are formed, is equipped with high temperature resistant coating on the second cladding layer, and high temperature resistant coating cladding is in the outside of flame retardant coating, and the flame retardant coating winding is outside at first cladding layer, high temperature resistant coating adopts inorganic high temperature resistant material, can effectively prevent that the heat from getting into, plays high temperature resistant effect, and the heart yearn is as the center of sewing thread, by 8 strands of high strength fiber twist, and sewing thread intensity is high, and first cladding layer is responsible for the intact of protection heart yearn, and not corroded and bad, second cladding layer improve sewing thread intensity and heat-sinking capability, and the flame damage heart yearn is blocked to the flame.

Preferably, the first coating layer is provided with an anti-corrosion layer, the anti-corrosion layer is arranged outside the core wire, and the anti-corrosion layer ensures that the core wire has improved anti-corrosion capability and also increases the strength of the sewing thread.

Preferably, the first coating layer comprises an isolation layer and a flame-retardant layer, the isolation layer is arranged outside the anti-corrosion layer, the flame-retardant layer is arranged outside the isolation layer, and the flame-retardant layer and the isolation layer are sequentially coated outside the core wire, so that the heat resistance is improved.

Preferably, the fireproof layer comprises strand fireproof steel fibers which are twisted, the fireproof steel fibers have strong ultraviolet resistance, the production process is simple, the raw materials are low in price, pollution is hardly generated, and recycling is easy.

Preferably, the second cladding layer is provided with a heat dissipation layer, the heat dissipation layer is arranged outside the high-temperature-resistant coating, the heat dissipation layer effectively resists temperature and simultaneously improves the heat flow efficiency of the sewing thread, and the heat dissipation performance is good and the high-temperature-resistant capability is also enhanced.

Preferably, the material of the flame-retardant layer is flame-retardant fiber, the material of the isolation layer is carbon fiber, the carbon fiber has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, is fibrous and soft in appearance, and can be processed into various fabrics, and the graphite microcrystalline structure of the carbon fiber is preferentially oriented along the fiber axis, so that the carbon fiber has high strength and modulus along the fiber axis direction.

Preferably, the heat dissipation layer is made of silicon rubber which has good low-temperature resistance and can still work at-55 ℃. After the introduction of phenyl, a temperature of-73 ℃ can be reached. The silicon rubber has outstanding heat resistance, can work for a long time at 180 ℃, can still have elasticity for a plurality of weeks or more even at the temperature slightly higher than 200 ℃, and can instantaneously resist the high temperature of more than 300 ℃.

Preferably, the total yarn count of the core wires is 130dtex to 150 dtex.

The utility model has the beneficial effects that:

1. the high-temperature-resistant coating adopts inorganic high-temperature-resistant materials, heat can be effectively prevented from entering the coating, a high-temperature-resistant effect is achieved, the core wire is used as the center of the sewing thread and is twisted by 8 strands of high-strength fibers, the strength of the sewing thread is high, the first coating layer is responsible for protecting the core wire to be intact and not corroded and damaged, the second coating layer improves the strength and the heat dissipation capacity of the sewing thread, and the fireproof layer prevents high-temperature flame from damaging the core wire;

2. the flame-retardant cable has a good high-temperature-resistant function, can easily cope with various use scenes, greatly improves the flame-retardant capability, and prevents the problem of burning and breaking in the use process;

3. the carbon fiber has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, is fibrous and soft in appearance, can be processed into various fabrics, and has high strength and modulus along the fiber axis direction due to the preferred orientation of the graphite microcrystal structure along the fiber axis;

4. the silicon rubber has good low-temperature resistance and can still work at the temperature of minus 55 ℃. After the introduction of phenyl, a temperature of-73 ℃ can be reached. The silicon rubber has outstanding heat resistance, can work for a long time at 180 ℃, can still have elasticity for a plurality of weeks or more even at the temperature slightly higher than 200 ℃, and can instantaneously resist the high temperature of more than 300 ℃.

Drawings

FIG. 1 is a schematic cross-sectional view of a covered yarn of the present invention.

In the figure: 1. yarn core, 11, stainless steel fiber, 12, aramid fiber, 2, a first coating layer, 21, an anti-corrosion layer, 22, an isolation layer, 23, a flame-retardant layer, 3, a fireproof layer, 31, fireproof steel fiber, 4, a second coating layer, 41, a high-temperature-resistant coating layer, 42 and a heat dissipation layer

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

As shown in figure 1, the high-temperature resistant sewing thread of the aramid fiber coated steel wire comprises a core wire 1, a first coating layer 2 coated outside the core wire 1, a fire-proof layer 3 and a second coating layer 4 coated outside the fire-proof layer 3, wherein the core wire 1 comprises 4 strands of stainless steel fiber wires 11 and 4 strands of aramid fiber wires 12 which are twisted together, the second coating layer 4 is provided with a high-temperature resistant coating 41, the high-temperature resistant coating 41 is coated outside the fire-proof layer 3, the fire-proof layer 3 is wound outside the first coating layer 2, high temperature resistant coating 41 adopts inorganic high temperature resistant material, can effectively prevent that the heat from getting into, plays high temperature resistant effect, and heart yearn 1 is twisted together by 8 strands of high strength fiber as the center of sewing thread, and sewing thread intensity is high, and first cladding 2 is responsible for protecting heart yearn 1's is intact, does not receive the corruption, and second cladding 4 improves sewing thread intensity and heat-sinking capability, and flame retardant coating 3 blocks high temperature fireworks and damages heart yearn 1.

The first coating layer 2 is provided with an anti-corrosion layer 21, the anti-corrosion layer 21 is arranged on the outer side of the core wire 1, the anti-corrosion layer 21 ensures that the anti-corrosion capability of the core wire 1 is improved, and the strength of the sewing thread is increased.

The first coating layer 2 comprises an isolation layer 22 and a flame-retardant layer 23, the isolation layer 22 is arranged outside the anti-corrosion layer 21, the flame-retardant layer 23 is arranged outside the isolation layer 22, and the flame-retardant layer 23 and the isolation layer 22 are sequentially coated outside the core wire 1, so that the heat resistance is improved.

The fireproof layer 3 is formed by twisting 4 strands of fireproof steel fibers 31, the fireproof steel fibers 31 have strong ultraviolet resistance, the production process is simple, the raw materials are low in price, pollution is hardly generated, and the fireproof steel fibers are easy to recycle.

Be equipped with a heat dissipation layer 42 on second cladding layer 4, heat dissipation layer 42 is established in high temperature resistant coating 41 outsidely, and heat dissipation layer 42 has promoted the heat flow efficiency of sewing thread when effective temperature resistant, and good heat dissipation has also strengthened high temperature resistance ability.

The flame-retardant layer 23 is made of flame-retardant fibers, the isolation layer 22 is made of carbon fibers, the carbon fibers have the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, are fibrous and soft in appearance and can be processed into various fabrics, and the graphite microcrystalline structure of the carbon fibers is preferentially oriented along the fiber axis, so that the carbon fibers have high strength and modulus along the fiber axis direction.

The heat dissipation layer 42 is made of silicon rubber which has good low temperature resistance and can still work at the temperature of-55 ℃. After the introduction of phenyl, a temperature of-73 ℃ can be reached. The silicon rubber has outstanding heat resistance, can work for a long time at 180 ℃, can still have elasticity for a plurality of weeks or more even at the temperature slightly higher than 200 ℃, and can instantaneously resist the high temperature of more than 300 ℃.

The total yarn count of the core wire 1 is 130 dtex-150 dtex.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an aramid fiber package steel wire high temperature resistant sewing thread which characterized in that: including heart yearn (1), the parcel is in first cladding (2) of heart yearn (1) outside, flame retardant coating (3) and cladding are in second cladding (4) of flame retardant coating (3) outside, heart yearn (1) includes 4 strands of stainless steel fiber silk (11) and 4 strands of aramid fiber silk (12) twists with the fingers and forms, be equipped with high temperature resistant coating (41) on second cladding (4), high temperature resistant coating (41) cladding is in the outside of flame retardant coating (3), the winding of flame retardant coating (3) is outside in first cladding (2).

2. The aramid fiber covered steel wire high-temperature resistant sewing thread according to claim 1, characterized in that: and the first coating layer (2) is provided with an anti-corrosion layer (21), and the anti-corrosion layer (21) is arranged on the outer side of the core wire (1).

3. The aramid fiber covered steel wire high-temperature resistant sewing thread according to claim 2, characterized in that: the first coating layer (2) comprises an isolation layer (22) and a flame-retardant layer (23), the isolation layer (22) is arranged outside the anti-corrosion layer (21), and the flame-retardant layer (23) is arranged outside the isolation layer (22).

4. The aramid fiber covered steel wire high-temperature resistant sewing thread according to claim 1, characterized in that: the fireproof layer (3) comprises 4 strands of fireproof steel fibers (31) which are twisted.

5. The aramid fiber covered steel wire high-temperature resistant sewing thread according to claim 1, characterized in that: and a heat dissipation layer (42) is arranged on the second cladding layer (4), and the heat dissipation layer (42) is arranged outside the high-temperature-resistant coating (41).

6. The aramid fiber covered steel wire high-temperature resistant sewing thread according to claim 3, characterized in that: the flame-retardant layer (23) is made of flame-retardant fibers, and the isolation layer (22) is made of carbon fibers.

7. The aramid fiber covered steel wire high-temperature resistant sewing thread according to claim 5, characterized in that: the heat dissipation layer (42) is made of silicon rubber.

8. The aramid fiber covered steel wire high-temperature resistant sewing thread according to claim 1, characterized in that: the total yarn count of the core wire (1) is 130 dtex-150 dtex.