All-cotton sunscreen fabric with double-layer structure
The double-layer all-cotton fabric addresses the issue of poor air permeability and UV protection in single-layer chemical fiber fabrics by using a double-layer structure with specific yarn arrangements, improving UV protection and breathability.
Patent Information
- Application Number
- CN202323377839.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-11
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2033-12-11
AI Technical Summary
Existing sun protection jacket fabrics made of chemical fibers have poor air permeability and user experience due to their single-layer flat structure, leading to discomfort during use.
A double-layer all-cotton fabric design with specific warp and weft yarn arrangements, including interwoven structures with varying yarn densities and weaving methods, which enhances UV protection and breathability, and incorporates a double-layer structure with a circulation space for air flow.
The double-layer fabric achieves improved UV protection and breathability, and incorporates a double-layer structure with a double-layer structure with a double-layer structure with a circulation space for air flow, enhancing UV protection and breathability.
Smart Images
Figure CN222139417U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of textiles, and in particular to a double-layer all-cotton sun-protective fabric. Background Art
[0002] Existing sun protection jacket fabrics are usually made of chemical fiber materials, and are basically a tight single-layer flat structure. They have a simple appearance and are very easy to stick to the skin, but have poor air permeability and a poor user experience during use. Utility Model Content
[0003] The present application provides a double-layer all-cotton sun-proof fabric, which has better sun-proof effect and air permeability than a single-layer planar structure.
[0004] In order to achieve the above-mentioned purpose, an embodiment of the present application provides a double-layer cotton sunscreen fabric, comprising:
[0005] The upper base structure includes a first weft yarn and a first warp yarn, an upper base intersection warp yarn and a second warp yarn arranged in sequence, wherein the upper base structure is formed by interweaving the first weft yarn and the first warp yarn, the upper base intersection warp yarn and the second warp yarn;
[0006] A lower base structure, comprising a second weft yarn and a third warp yarn, a lower base intersection warp yarn and a fourth warp yarn arranged in sequence, wherein the lower base structure is formed by interweaving the second weft yarn, the third warp yarn, the lower base intersection warp yarn and the fourth warp yarn; the lower base structure is stacked with the upper base structure, the third warp yarn is arranged corresponding to the first warp yarn, and the density of the first warp yarn is greater than the density of the third warp yarn; the fourth warp yarn is arranged corresponding to the second warp yarn, and the density of the fourth warp yarn is greater than the density of the second warp yarn; the upper base intersection warp yarn is arranged corresponding to the lower base intersection warp yarn, and the first weft yarn and the second weft yarn are interwoven at the upper base intersection warp yarn and the lower base intersection warp yarn, so that the upper base intersection warp yarn and the lower base intersection warp yarn are located in the interweaving space of the first weft yarn and the second weft yarn, so as to form an interwoven structure;
[0007] The upper base structure and the lower base structure are interwoven by the first weft yarn and the second weft yarn to form basic circulation units, and the basic circulation units are spaced apart by the same structure as the interwoven structure.
[0008] Furthermore, the density of the first warp yarn is 2-4 times that of the third warp yarn, and the density of the fourth warp yarn is 2-4 times that of the second warp yarn.
[0009] Furthermore, the density of the first warp yarn is twice that of the third warp yarn, and the density of the fourth warp yarn is twice that of the second warp yarn.
[0010] Furthermore, the first warp yarn is arranged on the first weft yarn in a two-up and two-down manner, and the first warp yarn is interwoven on the first weft yarn by a double yarn weaving method; the second warp yarn is arranged on the first weft yarn in a one-up and one-down manner, and the second warp yarn and the upper base intersection warp yarn are interwoven on the first weft yarn by a single yarn feeding method.
[0011] Furthermore, the third warp yarn is arranged on the second weft yarn as one up and one down, and the third warp yarn and the warp yarn at the intersection of the lower base layer are interwoven on the second weft yarn by a single yarn feeding method; the fourth warp yarn is arranged on the second weft yarn as two up and two down, and the fourth warp yarn is interwoven on the second weft yarn by a double yarn weaving method.
[0012] Furthermore, the warp yarn density of the upper base structure is the same as that of the lower base structure, both of which are 80-120 yarns / inch.
[0013] Furthermore, the density of the first weft yarn and the second weft yarn is the same, both 60-100 yarns / inch, the warp yarn density of the upper base structure is greater than the density of the first weft yarn, and the warp yarn density of the lower base structure is greater than the density of the second weft yarn.
[0014] Furthermore, in the basic cycle unit, the sum of the number of warp yarns of the first warp yarn, the upper base intersection warp yarn and the second warp yarn is a, the sum of the number of warp yarns of the third warp yarn, the lower base intersection warp yarn and the fourth warp yarn is b, and a and b satisfy: a=b.
[0015] Furthermore, the yarn count of the warp yarn in the upper base structure is the same as or different from the yarn count of the warp yarn in the lower base structure, the yarn count of the warp yarn in the upper base structure is 40S / 1-80S / 1, and the yarn count of the warp yarn in the lower base structure is 40S / 1-80S / 1.
[0016] Furthermore, the yarn count of the weft yarn of the upper base structure is the same as the yarn count of the weft yarn of the lower base structure, both of which are 40S / 1-80S / 1.
[0017] The utility model provides a double-layered all-cotton sunscreen fabric, which includes an upper base structure and a lower base structure. Compared with a single-layer flat fabric, the double-layer fabric can absorb or reflect ultraviolet rays twice, so that the transmittance of ultraviolet rays on the fabric is lower and the sunscreen effect is better. In addition, the third warp yarn is arranged corresponding to the first warp yarn, and the density of the first warp yarn is greater than the density of the third warp yarn, and the fourth warp yarn is arranged corresponding to the second warp yarn, and the density of the fourth warp yarn is greater than the density of the second warp yarn. This design method allows space to exist between the upper base structure and the lower base structure, which is conducive to air flow and makes the fabric more breathable. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of a weft cross-section of a double-layer cotton sun-protective fabric according to an embodiment of the utility model.
[0019] Figure numerals: all-cotton sun-proof fabric -100, upper base structure -110, first weft yarn -111, first warp yarn -112, upper base intersection warp yarn -113, second warp yarn -114; lower base structure -120, second weft yarn -121, third warp yarn -122, lower base intersection warp yarn -123, fourth warp yarn -124. DETAILED DESCRIPTION
[0020] The present application is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are intended to enable the present application to be better understood. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.
[0021] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various implementations, and the operation steps involved in each embodiment can also be replaced or adjusted in a sequence in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for the purpose of clearly describing a certain embodiment and do not mean that the composition and / or sequence are necessary.
[0022] The serial numbers of the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).
[0023] The embodiment of the utility model provides a double-layered all-cotton sun-proof fabric 100, please refer to Figure 1 , including an upper base structure 110 and a lower base structure 120 .
[0024] Please refer to Figure 1The upper base structure 110 includes a first weft yarn 111 and a first warp yarn 112, an upper base intersection warp yarn 113 and a second warp yarn 114 arranged in sequence. The upper base structure 110 is formed by the first weft yarn 111 and the first warp yarn 112, the upper base intersection warp yarn 113 and the second warp yarn 114 being interwoven with each other. The lower base structure 120 includes a second weft yarn 121 and a third warp yarn 122, a lower base intersection warp yarn 123 and a fourth warp yarn 124 arranged in sequence. The lower base structure 120 is formed by the second weft yarn 121 and the third warp yarn 122, the lower base intersection warp yarn 123 and the fourth warp yarn 124 being interwoven with each other. The lower base structure 120 is stacked with the upper base structure 110, the third warp yarn 122 is arranged corresponding to the first warp yarn 112, and the density of the first warp yarn 112 is greater than the density of the third warp yarn 122. The fourth warp yarn 124 is arranged corresponding to the second warp yarn 114, and the density of the fourth warp yarn 124 is greater than the density of the second warp yarn 114. The upper base intersection warp yarn 113 is arranged corresponding to the lower base intersection warp yarn 123, and the first weft yarn 111 and the second weft yarn 121 are interwoven at the upper base intersection warp yarn 113 and the lower base intersection warp yarn 123, so that the upper base intersection warp yarn 113 and the lower base intersection warp yarn 123 are located in the interweaving space of the first weft yarn 111 and the second weft yarn 121 to form an interwoven structure. The upper base structure 110 and the lower base structure 120 are interwoven through the first weft yarn 111 and the second weft yarn 121 to form a basic circulation unit. The cotton sunscreen fabric 100 in the utility model includes multiple basic circulation units, and each basic circulation unit is separated by a structure that is the same as the interwoven structure.
[0025] In the present invention, the warp yarns and weft yarns in the upper base structure 110 and the lower base structure 120 are all made of pure cotton, which is more hygroscopic and breathable than chemical fiber materials. Compared with single-layer planar fabrics, the double-layer fabric of the present invention can absorb or reflect ultraviolet rays twice, so that the transmittance of ultraviolet rays on the fabric is lower and the sun protection effect is better. In addition, the third warp yarn 122 is arranged corresponding to the first warp yarn 112, and the density of the first warp yarn 112 is greater than the density of the third warp yarn 122, and the fourth warp yarn 124 is arranged corresponding to the second warp yarn 114, and the density of the fourth warp yarn 124 is greater than the density of the second warp yarn 114. This design method allows space to exist between the upper base structure 110 and the lower base structure 120, which is conducive to air flow and makes the fabric more breathable.
[0026] In the embodiment of the present invention, the density of the first warp yarn 112 is 2-4 times that of the third warp yarn 122, and the density of the fourth warp yarn 124 is 2-4 times that of the second warp yarn 114. This design enables both the upper and lower layers of the fabric of the present invention to form obvious vertical stripes.
[0027] For further information, please refer to Figure 1In one implementation of the present invention, the density of the first warp yarn 112 is twice that of the third warp yarn 122 , and the density of the fourth warp yarn 124 is twice that of the second warp yarn 114 .
[0028] Please refer to Figure 1 In this embodiment, the first warp yarn 112 is arranged on the first weft yarn 111 in a two-up and two-down manner, and the first warp yarn 112 is interwoven on the first weft yarn 111 by a double yarn weaving method. The second warp yarn 114 is arranged on the first weft yarn 111 in a one-up and one-down manner, and the second warp yarn 114 and the upper base intersection warp yarn 113 are interwoven on the first weft yarn 111 by a single yarn feeding method, and the upper base intersection warp yarn 113 is also interwoven on the second weft yarn 121 by a single yarn feeding method.
[0029] The third warp yarn 122 is arranged on the second weft yarn 121 in one up and one down manner, and the third warp yarn 122 and the lower base intersection warp yarn 123 are interwoven on the second weft yarn 121 by single yarn feeding, and the lower base intersection warp yarn 123 is interwoven on the first weft yarn 111 by single yarn feeding. The fourth warp yarn 124 is arranged on the second weft yarn 121 in two up and two down manner, and the fourth warp yarn 124 is interwoven on the second weft yarn 121 by double yarn weaving. The upper base intersection warp yarn 113 and the lower base intersection warp yarn 123 in the cross structure are both one strand.
[0030] In other embodiments, the density of the first warp yarn 112 is three times that of the third warp yarn 122, and the density of the fourth warp yarn 124 is three times that of the second warp yarn 114. Then, the arrangement of the first warp yarn 112 on the first weft yarn 111 is three up and three down, and the arrangement of the second warp yarn 114 on the first weft yarn 111 is one up and one down. The arrangement of the third warp yarn 122 on the second weft yarn 121 is one up and one down, and the arrangement of the fourth warp yarn 124 on the second weft yarn 121 is three up and three down.
[0031] The all-cotton sunscreen fabric 100 of the present invention is arranged with a dense layer and a sparse layer overlapping each other, so that there is a circulation space between the upper base structure 110 and the lower base structure 120, which is conducive to air flow. Moreover, the warp and weft density of the upper base structure 110 and the lower base structure 120 in the present invention are both sparser than that of a single-layer dense plane structure, which further accelerates air circulation and makes the fabric more breathable.
[0032] In the present invention, the warp density of the upper base structure 110 is the same as that of the lower base structure 120, both of which are 80-120 strands / inch. The density of the first weft yarn 111 and the second weft yarn 121 is the same, both of which are 60-100 strands / inch. The warp density of the upper base structure 110 is greater than that of the first weft yarn 111, and the warp density of the lower base structure 120 is greater than that of the second weft yarn 121.
[0033] In the utility model, in the basic cycle unit, the sum of the number of warp yarns of the first warp yarn 112, the upper base intersection warp yarn 113 and the second warp yarn 114 is a, the sum of the number of warp yarns of the third warp yarn 122, the lower base intersection warp yarn 123 and the fourth warp yarn 124 is b, and a and b satisfy: a=b.
[0034] In the present invention, the yarn count of the warp yarn in the upper base structure 110 is the same as or different from the yarn count of the warp yarn in the lower base structure 120. The yarn count of the warp yarn in the upper base structure 110 is 40S / 1-80S / 1, and the yarn count of the warp yarn in the lower base structure 120 is 40S / 1-80S / 1. The yarn count of the weft yarn of the upper base structure 110 is the same as the yarn count of the weft yarn of the lower base structure 120, both of which are 40S / 1-80S / 1.
[0035] Example 1
[0036] The density of the first warp yarn 112 is twice that of the third warp yarn 122, and the density of the fourth warp yarn 124 is twice that of the second warp yarn 114. The first warp yarn 112 is arranged on the first weft yarn 111 in two up and two down ways, and the first warp yarn 112 is a double yarn woven on the first weft yarn 111. The second warp yarn 114 is arranged on the first weft yarn 111 in one up and one down way, and the second warp yarn 114 and the upper base intersection warp yarn 113 are interwoven on the first weft yarn 111 by a single yarn feeding method, and the upper base intersection warp yarn 113 is also interwoven on the second weft yarn 121 by a single yarn feeding method. The third warp yarn 122 is arranged on the second weft yarn 121 in one up and one down way, and the third warp yarn 122 and the lower base intersection warp yarn 123 are interwoven on the second weft yarn 121 by a single yarn feeding method, and the lower base intersection warp yarn 123 is interwoven on the first weft yarn 111 by a single yarn feeding method. The fourth warp yarns 124 are arranged on the second weft yarns 121 in a two-up and two-down manner, and the fourth warp yarns 124 are interwoven with the second weft yarns 121 in a double yarn weaving manner.
[0037] The yarn count of the warp yarn in the upper base structure 110 and the yarn count of the warp yarn in the lower base structure 120 are both 60S / 1.
[0038] In the basic circulation unit, the sum of the warp yarns of the first warp yarn 112, the upper base intersection warp yarn 113 and the second warp yarn 114 is 16, and the sum of the warp yarns of the third warp yarn 122, the lower base intersection warp yarn 123 and the fourth warp yarn 124 is 16.
[0039] The warp yarn density of the upper base structure 110 and the warp yarn density of the lower base structure 120 are both 100 yarns / inch, and the density of the first weft yarn 111 and the second weft yarn 121 are both 80 yarns / inch.
[0040] The air permeability and UV resistance of the finished fabric in Example 1 were measured.
[0041] The air permeability is measured according to the method for measuring air permeability of textile fabrics in GB / T 5453-1997. The anti-ultraviolet performance is measured according to the method for evaluating the anti-ultraviolet performance of textiles in GB / T 18830-2009. Among them, the air permeability of the fabric in Example 1 is measured to be greater than 150 mm / s, and the UPF is greater than 50, and the UVA is less than 5%. It can be obtained that the air permeability of the fabric in this Example 1 is good, and the anti-ultraviolet performance meets the evaluation standard of the anti-ultraviolet performance of textiles in GB / T 18830-2009.
[0042] The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. For those skilled in the art of the present invention, some simple deductions, deformations or substitutions can be made based on the idea of the present invention.
Claims
1. A double-layer cotton sun-proof fabric, characterized in that: include: An upper base structure, comprising a first weft yarn and a first warp yarn, an upper base intersection warp yarn and a second warp yarn arranged in sequence, wherein the upper base structure is formed by interweaving the first weft yarn with the first warp yarn, the upper base intersection warp yarn and the second warp yarn; A lower base structure, comprising a second weft yarn and a third warp yarn, a lower base intersection warp yarn and a fourth warp yarn arranged in sequence, wherein the lower base structure is formed by the second weft yarn, the third warp yarn, the lower base intersection warp yarn and the fourth warp yarn being interwoven with each other; the lower base structure is stacked with the upper base structure, the third warp yarn is arranged corresponding to the first warp yarn, and the density of the first warp yarn is greater than the density of the third warp yarn; the fourth warp yarn is arranged corresponding to the second warp yarn, and the density of the fourth warp yarn is greater than the density of the second warp yarn; the upper base intersection warp yarn is arranged corresponding to the lower base intersection warp yarn, and the first weft yarn and the second weft yarn are interwoven at the upper base intersection warp yarn and the lower base intersection warp yarn, so that the upper base intersection warp yarn and the lower base intersection warp yarn are located in the interweaving space of the first weft yarn and the second weft yarn, so as to form an interwoven structure; The upper base structure and the lower base structure are interwoven with the first weft yarn and the second weft yarn to form a basic circulation unit, and each of the basic circulation units is spaced apart by a structure that is the same as the interwoven structure.
2. The all-cotton sunscreen fabric according to claim 1, characterized in that: The density of the first warp yarn is 2-4 times that of the third warp yarn, and the density of the fourth warp yarn is 2-4 times that of the second warp yarn.
3. The sun-proof fabric according to claim 2, characterized in that: The density of the first warp yarn is twice that of the third warp yarn, and the density of the fourth warp yarn is twice that of the second warp yarn.
4. The all-cotton sun-proof fabric according to claim 3, characterized in that: The first warp yarns are arranged on the first weft yarns in a two-up and two-down manner, and the first warp yarns are interwoven on the first weft yarns by a double yarn weaving method; the second warp yarns are arranged on the first weft yarns in a one-up and one-down manner, and the second warp yarns and the warp yarns at the intersection of the upper base layer are interwoven on the first weft yarns by a single yarn feeding method.
5. The all-cotton sun-proof fabric according to claim 3, characterized in that: The third warp yarn is arranged on the second weft yarn in a one-up-one-down manner, and the third warp yarn and the lower base intersection warp yarn are interwoven on the second weft yarn by a single yarn feeding method; the fourth warp yarn is arranged on the second weft yarn in a two-up-two-down manner, and the fourth warp yarn is interwoven on the second weft yarn by a double yarn weaving method.
6. The all-cotton sun-proof fabric according to claim 2, characterized in that: The warp yarn density of the upper base structure is the same as that of the lower base structure, both of which are 80-120 yarns / inch.
7. The all-cotton sun-proof fabric according to claim 6, characterized in that: The first weft yarn and the second weft yarn have the same density, both of which are 60-100 yarns / inch. The warp yarn density of the upper base structure is greater than the density of the first weft yarn, and the warp yarn density of the lower base structure is greater than the density of the second weft yarn.
8. The all-cotton sun-proof fabric according to claim 1, characterized in that: In the basic circulation unit, the sum of the number of warp yarns of the first warp yarn, the upper base intersection warp yarn and the second warp yarn is a, the sum of the number of warp yarns of the third warp yarn, the lower base intersection warp yarn and the fourth warp yarn is b, and a and b satisfy: a=b.
9. The all-cotton sun-proof fabric according to claim 1, characterized in that: The yarn count of the warp yarn in the upper base structure is the same as or different from the yarn count of the warp yarn in the lower base structure. The yarn count of the warp yarn in the upper base structure is 40S / 1-80S / 1, and the yarn count of the warp yarn in the lower base structure is 40S / 1-80S / 1.
10. The all-cotton sun-proof fabric according to claim 1, characterized in that: The yarn count of the weft yarn of the upper base structure is the same as the yarn count of the weft yarn of the lower base structure, both of which are 40S / 1-80S / 1.