CN216551312U - Impact-resistant polyamide cord fabric - Google Patents
Impact-resistant polyamide cord fabric Download PDFInfo
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- CN216551312U CN216551312U CN202123185393.2U CN202123185393U CN216551312U CN 216551312 U CN216551312 U CN 216551312U CN 202123185393 U CN202123185393 U CN 202123185393U CN 216551312 U CN216551312 U CN 216551312U
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Abstract
The utility model discloses an impact-resistant nylon cord fabric which comprises a cord fabric body, wherein the cord fabric body comprises warp yarns and weft yarns, the warp yarns are interwoven with the weft yarns, the warp yarns comprise metal wires, yarns a and yarns b, the yarns a are positioned on the left side of the yarns b, the yarns b are positioned on the outer sides of the metal wires, the weft yarns comprise weft yarns a and weft yarns b, the weft yarns b are positioned above the weft yarns a, the surface of the cord fabric body is coated with a flame-retardant coating, the flame-retardant coating is positioned on the inner side of an impact-resistant layer a, and the surface of the impact-resistant layer a is coated with an impact-resistant layer b. The impact resistance layer is matched with spandex to improve the integral impact resistance; the core wire, the winding wire b and the fire-resistant layer are matched to improve the overall high-temperature resistance and fire resistance of the cord fabric.
Description
Technical Field
The utility model relates to impact-resistant nylon cord fabric, in particular to impact-resistant nylon cord fabric, and belongs to the technical field of cord fabric.
Background
The tyre fabric is a framework fabric for the tyre, which is weaved by using strong plied yarns as warps and using medium and fine single yarns as wefts. The warp is closely arranged, the weft is sparsely arranged, and the shape of the fabric is similar to a curtain, so the fabric is named. The cord fabric is used as a framework of rubber products such as tires and the like, and is subjected to huge pressure, impact load and strong vibration. Cord fabric is an important material that affects tire performance and life. The warp is also called cord) bears the load, and the weft fixes the position of the warp.
The patent No. CN 210886740U discloses a nylon impregnated cord fabric, which does not generate abnormal conditions such as yarn breakage, winding, fluff hooking and the like during production due to the unique design of nylon filaments, and the nylon impregnated cord fabric has high strength, good wear resistance and difficult cracking of fabric edges at two sides.
The curtain cloth of the prior art has the following defects: 1. the existing cord fabric has weak impact resistance and is easy to break in the using process; 2. the existing cord fabric is weak in high temperature resistance and fire resistance, and is easy to burn quickly after suffering from fire disasters, so that the problems are improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide the impact-resistant nylon cord fabric, wherein the impact-resistant layer is matched with spandex to improve the overall impact resistance; the core wire, the winding wire b and the fire-resistant layer are matched to improve the high-temperature resistance and the fire resistance of the whole cord fabric.
The utility model achieves the aim through the following technical scheme, and the impact-resistant nylon cord fabric comprises cord fabric, wherein the cord fabric comprises warp yarns and weft yarns, the warp yarns are interwoven with the weft yarns, the warp yarns comprise metal wires, yarns a and yarns b, the yarns a are positioned on the left side of the yarns b, the yarns b are positioned on the outer sides of the metal wires, the weft yarns comprise weft yarns a and weft yarns b, the weft yarns b are positioned above the weft yarns a, the surface of the cord fabric is coated with a fire-resistant layer, the fire-resistant layer is positioned on the inner side of an impact-resistant layer a, and the surface of the impact-resistant layer a is coated with the impact-resistant layer b.
Preferably, the yarn a comprises spandex, a covered yarn and a core, and the spandex is encircled outside the core.
Preferably, the spandex is wrapped with a covering yarn, and the impact-resistant layer a is located between the fire-resistant layer and the impact-resistant layer b.
Preferably, the weft b comprises a winding a and a winding b, and the winding a is wound and connected with the winding b.
Preferably, the wrapping yarn, the winding yarn a and the weft yarn a are all made of chinlon.
Preferably, the core wire is made of aramid fiber, and the winding wire b is made of alumina fiber.
Preferably, the flame retardant coating is made of polyimide, and the weft threads b are in a twisted shape.
Preferably, the material of the impact-resistant layer a is impact-resistant PP copolymer, and the material of the impact-resistant layer b is impact-resistant polystyrene.
The utility model has the beneficial effects that:
1. the impact resistance layer is matched with spandex to improve the overall impact resistance; the cord fabric is formed by interweaving warp yarns and weft yarns, wherein the inner yarn a of the warp yarns is composed of covering yarns, spandex and core yarns, a plurality of spandex are surrounded by the core yarns and then are covered by the covering yarns, the spandex has excellent elasticity and can be elongated by 6-7 times, but can be quickly recovered to an initial state along with the disappearance of tension, the strength of the spandex is good, the core yarns with aramid fibers as the centers have better breaking strength and the toughness of 2 times that of steel wires, the elasticity and the toughness of the whole yarn a can be improved by matching the spandex with the core yarns, the whole elasticity is good after the cord fabric is woven, a fire-resistant layer, an impact-resistant layer a and an impact-resistant layer b are sequentially coated on the outer layer of the cord fabric from inside to outside, rubber is added into the impact-resistant layer b with impact-resistant polystyrene as the outer layer, so that the cord fabric has high impact strength and high rigidity, and the impact-resistant capability of the cord fabric is improved by matching with the impact-resistant layer a made of impact-resistant PP copolymer as the inner layer, the impact resistant layer a has good impact resistance and high resistance to environmental stress fracture, the integral impact resistance can be improved, the elasticity and the toughness of the cord fabric are improved by matching the impact resistant layer and spandex, the integral impact resistance is improved at the same time, and the cord fabric is prevented from being fractured in use.
2. The core wire, the winding wire b and the fire-resistant layer are matched, so that the high-temperature resistance and the fire resistance of the whole cord fabric can be improved; the heart yearn material at yarn a center is aramid fiber, aramid fiber is a flame retardant fiber, it has superhigh intensity and fine thermal stability, can use in succession under 205 ℃ of the condition, whole fire resistance is good, weft b is formed by kinking an and kinking b winding, the material has better heat stability and outstanding high temperature resistance for alumina fiber's kinking b, can improve the holistic fire resistance of cord fabric with the heart yearn cooperation, the cord fabric outer layer is scribbled and is scribbled the flame retardant coating that the material is polyimide, polyimide is high temperature resistant and reaches more than 400 ℃, high temperature resistance is good, can be high temperature resistant in the external world, avoid burning with the contact back cord fabric of fire, can improve the holistic high temperature resistant and the fire resistance of cord fabric, avoid it to meet the back flash combustion of fire.
Drawings
FIG. 1 is a schematic view of the construction of a tire cord fabric of the present invention;
FIG. 2 is a schematic structural view of yarn a of the present invention;
FIG. 3 is a schematic view of the structure of the weft b of the present invention;
fig. 4 is a schematic cross-sectional structure of the cord fabric of the present invention.
In the figure: 1. a cord fabric; 2. warp yarns; 3. a metal wire; 4. a yarn a; 5. a yarn b; 6. a weft yarn; 7. a weft thread a; 8. a weft (b); 9. spandex; 10. covering yarns; 11. a core wire; 12. winding a; 13. b, winding; 14. a refractory layer; 15. an impact resistant layer a; 16. and (b) an impact resistant layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1, referring to fig. 1 to 4, an impact-resistant nylon cord fabric comprises a cord fabric 1, wherein the cord fabric 1 comprises warp yarns 2 and weft yarns 6, the warp yarns 2 and the weft yarns 6 are interwoven to form the cord fabric 1, the weft yarns 6 are slightly dense at certain intervals, the warp yarns 2 can be fixed and prevented from loosening, the warp yarns 2 are interwoven with the weft yarns 6, the warp yarns 2 comprise metal wires 3, a4 and b5, the warp yarns 2 comprise the metal wires 3, a4 and b5 which are alternately arranged, the yarn a4 is positioned at the left side of the yarn b5, the yarn a4 and the yarn b5 have six groups, the six groups are one arranged, the yarn b5 is positioned at the outer side of the metal wires 3, the metal wires 3 are positioned at the middle of the adjacent yarn group of yarn arrangement, the weft yarns 6 comprise weft yarns a7 and b8, the weft yarns 6 comprise weft yarns a7 and b8 which are alternately arranged, and the weft yarns b8 are positioned above a7, the surface of the cord fabric 1 is coated with a fire-resistant layer 14, the fire-resistant layer 14 can improve the overall fire resistance of the cord fabric 1, the fire-resistant layer 14 is positioned on the inner side of an impact-resistant layer a15, the surface of an impact-resistant layer a15 is coated with an impact-resistant layer b16, and the impact-resistant layer can improve the overall impact resistance of the cord fabric 1.
Specifically, the yarn a4 includes spandex 9, covered yarn 10 and core yarn 11, the yarn a4 is formed by combining spandex 9, covered yarn 10 and core yarn 11, the spandex 9 is surrounded on the outer side of the core yarn 11, and the elasticity of the whole is improved by a plurality of spandex 9 surrounded on the outer side of the core yarn 11.
Specifically, the spandex 9 is covered by the covering yarn 10, the covering yarn 10 covers a plurality of spandex 9, the overall wear resistance can be provided, and the impact resistance layer a15 is positioned between the fire-resistant layer 14 and the impact resistance layer b 16.
Specifically, the wrapping yarn 10, the winding a12 and the weft a7 are all made of nylon, and the wrapping yarn 10, the winding a12 and the weft a7 are made of the same materials and have high wear resistance.
Specifically, the core wire 11 is made of aramid fiber, the core wire 11 has high strength and high temperature resistance, the winding wire b13 is made of alumina fiber, and the winding wire b13 has high heat resistance stability.
Specifically, the material of the flame retardant coating 14 is polyimide, the flame retardant coating 14 resists high temperature, the flame retardant performance of the cord fabric 1 can be improved, the weft b8 is in a twisted shape, and the weft b8 and the yarn b5 have the same structure and are in a twisted shape.
Specifically, the material of the impact-resistant layer a15 is impact-resistant PP copolymer, both the impact-resistant layer a15 and the impact-resistant layer b16 have good impact resistance, and can improve the overall impact resistance of the cord fabric 1, and the material of the impact-resistant layer b16 is impact-resistant polystyrene.
In embodiment 2, referring to fig. 3, the difference between this embodiment and embodiment 1 is: the weft b8 comprises an winding a12 and an winding b13, the winding a12 is wound and connected with the winding b13, and the weft b8 is formed by winding the winding a12 and the winding b 13.
When the anti-impact fabric is used, the cord fabric 1 is formed by interweaving warp yarns 2 and weft yarns 6, yarns a4 in the warp yarns 2 are composed of covered yarns 10, spandex 9 and core yarns 11, a plurality of spandex 9 are surrounded by the core yarns 11 and then are covered by the covered yarns 10, the spandex 9 is excellent in elasticity and can be stretched by 6-7 times, but can be quickly restored to an initial state along with the disappearance of tension, the strength is good, the core yarns 11 with aramid fibers as the center have good breaking strength and 2 times of toughness of steel wires, the elasticity and toughness of the whole yarn a4 can be improved by matching the spandex 9 with the core yarns 11, the whole elasticity is good after the cord fabric 1 is woven, the outer layer of the cord fabric 1 is sequentially coated with the fire-resistant layer 14, the anti-impact layer a15 and the anti-impact layer b16 from inside to outside, rubber is added into the anti-impact layer b16 with impact polystyrene as the outer layer, the rubber has high impact strength and high rigidity, and can be matched with the anti-impact layer a15 made of impact PP copolymer as the inner layer to improve the whole ability of the cord fabric 1 Impact resistant layer a15 has good impact resistance and high resistance to environmental stress cracking, the integral impact resistance can be improved, the core wire 11 in the center of the yarn a4 is made of aramid fiber which is a flame-retardant fiber, the aluminum oxide fiber heat-resistant composite material has ultrahigh strength and good thermal stability, can be continuously used at the temperature of 205 ℃, has good integral fire resistance, the weft yarn b8 is formed by winding a winding wire a12 and a winding wire b13, the winding wire b13 made of aluminum oxide fibers has good heat-resistant stability and outstanding high-temperature resistance, can be matched with a core wire 11 to improve the whole fire resistance of the cord fabric 1, the outer layer of the cord fabric 1 is coated with a fire-resistant layer 14 made of polyimide, the polyimide has high temperature resistance of more than 400 ℃ and good high temperature resistance, the curtain fabric 1 can resist external high temperature, avoid burning after contacting with fire, improve the whole high temperature resistance and fire resistance of the curtain fabric 1, and avoid quick burning after meeting fire.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a polyamide fibre cord fabric shocks resistance, includes cord fabric (1), its characterized in that: the cord fabric (1) comprises warp yarns (2) and weft yarns (6), the warp yarns (2) are interwoven with the weft yarns (6), the warp yarns (2) comprise metal wires (3), yarns a (4) and yarns b (5), the yarns a (4) are located on the left side of the yarns b (5), the yarns b (5) are located on the outer side of the metal wires (3), the weft yarns (6) comprise wefts a (7) and wefts b (8), the wefts b (8) are located above the wefts a (7), a fire-resistant layer (14) is coated on the surface of the cord fabric (1), the fire-resistant layer (14) is located on the inner side of an impact-resistant layer a (15), and an impact-resistant layer b (16) is coated on the surface of the impact-resistant layer a (15).
2. The impact-resistant nylon cord fabric according to claim 1, wherein: the yarn a (4) comprises spandex (9), covered yarn (10) and a core wire (11), and the spandex (9) is encircled outside the core wire (11).
3. The impact-resistant nylon cord fabric according to claim 2, wherein: the outer side of the spandex (9) is wrapped with the covering yarn (10), and the impact-resistant layer a (15) is located between the fire-resistant layer (14) and the impact-resistant layer b (16).
4. The impact-resistant nylon cord fabric according to claim 2, wherein: the weft b (8) comprises a winding a (12) and a winding b (13), and the winding a (12) is wound and connected with the winding b (13).
5. The impact-resistant nylon cord fabric according to claim 4, wherein: the wrapping yarn (10), the winding yarn a (12) and the weft yarn a (7) are all made of nylon.
6. The impact-resistant nylon cord fabric according to claim 4, wherein: the core wire (11) is made of aramid fiber, and the winding wire b (13) is made of alumina fiber.
7. The impact-resistant nylon cord fabric according to claim 1, wherein: the flame retardant coating (14) is made of polyimide, and the weft b (8) is in a twisted shape.
8. The impact-resistant nylon cord fabric according to claim 1, wherein: the material of the impact-resistant layer a (15) is impact-resistant PP copolymer, and the material of the impact-resistant layer b (16) is impact-resistant polystyrene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123185393.2U CN216551312U (en) | 2021-12-17 | 2021-12-17 | Impact-resistant polyamide cord fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123185393.2U CN216551312U (en) | 2021-12-17 | 2021-12-17 | Impact-resistant polyamide cord fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216551312U true CN216551312U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123185393.2U Active CN216551312U (en) | 2021-12-17 | 2021-12-17 | Impact-resistant polyamide cord fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216551312U (en) |
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- 2021-12-17 CN CN202123185393.2U patent/CN216551312U/en active Active
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