A warp-knitted fabric and a method of manufacturing the same

By integrating a woven imitation woven layer, an imitation heddle layer, and an underlayer structure, the problem of insufficient elasticity and stability of woven heddle fabrics is solved. This achieves the stability and visual effect of warp-knitted fabrics with the appearance of woven heddle fabrics, simplifies the manufacturing process, and improves production efficiency.

CN122629653APending Publication Date: 2026-08-25ANTA (CHINA) CO LTD
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Patent Information

Application Number
CN202610997750.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-07-06
Publication Date
2026-08-25

AI Technical Summary

Technical Problem

Woven heddle fabrics lack elasticity and stability, the yarns are prone to unraveling, and the appearance is unsatisfactory, making it difficult to combine the visual effects of woven heddle fabrics with the advantages of warp-knitted fabrics.

Method used

It adopts an integrated woven imitation woven layer, imitation heddle layer and bottom layer structure, and uses different yarn arrangements and weaving methods to form an appearance similar to woven heddle, and improves stability through the joint clamping and positioning of the bottomless jacquard basic structure and the bottom layer.

Benefits of technology

While maintaining the stability and anti-unraveling properties of warp-knitted fabrics, it achieves a woven heddle appearance, simplifies the manufacturing process, and improves production efficiency and product consistency.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application discloses a warp-knitted fabric and its manufacturing method, which is woven on a double-needle bed jacquard warp knitting machine with 7 guide bars. The fabric includes a woven layer, a heddle layer, and a base layer. The woven layer is woven from a first yarn and includes two weft threads woven by two oppositely arranged ground guides in a one-through-one-open pattern: 1-0-1-1 / 1-2-1-1 / 1-0-1-1 / 3-4-3-3 / / and 3-4-3-3 / 3-2-3-3 / 3-4-3-3 / 1-0-1-1 / / . The heddle layer includes a padded structure and a bottomless jacquard basic group. The warp knitting fabric, with a missing pad structure of 1-1-1-1 / 1-1-1-1 / / , is woven from the second yarn using two staggered half-gauge jacquard guides in a full-thread pattern. The bottomless jacquard basic structure consists of 1-0-1-1 / 2-3-2-2 / / and 2-3-2-2 / 1-0-1-1 / / , woven from the third yarn using two staggered half-gauge jacquard guides in a full-thread pattern. The bottom layer is woven from the fourth yarn, including a chain braid structure of 1-0-1-1 / 1-0-1-1 / / woven with a ground guide in a full-thread pattern. This technique allows the warp-knitted fabric to retain the characteristics of warp-knitted fabrics while also exhibiting the visual effect of woven heddle patterns.
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Description

Technical Field

[0001] This application relates to the field of footwear and apparel, specifically to a warp-knitted fabric and its manufacturing method. Background Technology

[0002] Woven heddle fabrics, with their unique appearance, are popular with consumers and are often used in shoe uppers. However, because woven heddle fabrics are formed by the vertical interlacing of warp and weft yarns, the yarns are essentially straight within the fabric. When subjected to external force, they rely primarily on the elastic deformation of the yarns themselves rather than structural deformation, resulting in poor elasticity and a less comfortable fit. Furthermore, since the junctions between yarns in woven heddle fabrics are simple interlacing points rather than loops, stability is poor, and the yarns are prone to unraveling. Warp-knitted fabrics, on the other hand, possess a slight elasticity in the weft direction and no elasticity in the longitudinal direction. The slight elasticity in the weft direction provides a good fit and comfort in the shoe upper, while the lack of elasticity in the longitudinal direction ensures good dimensional stability and prevents the loops from unraveling. Therefore, there is a desire to develop a warp-knitted fabric that exhibits the appearance of a woven heddle fabric. Summary of the Invention

[0003] The purpose of this application is to improve the above-mentioned defects of the prior art to a certain extent, and to provide a warp-knitted fabric and its manufacturing method, which has good stability while having the visual effect of woven heddle.

[0004] In order to overcome the deficiencies of the prior art and achieve the purpose of this invention, the following technical solution is adopted to solve the problem: Option 1 involves a warp-knitted fabric, comprising an integrally woven imitation woven layer, an imitation heddle layer, and an underlayer. The imitation woven layer is woven from a first yarn, comprising two opposing ground combs woven in a one-through-one-open pattern, each with a 1-0-1-1 / 1-2-1-1 / 1-0-1-1 / 3-4-3-3 / / structure and a 3-4-3-3 / 3-2-3-3 / 3-4-3-3 / 1-0-1-1 / / structure. The imitation heddle layer includes a missing pad structure and a bottomless jacquard basic structure. The missing pad structure is 1-1-1-1 / 1-1-1-1 / / , woven from a second yarn through two interlaced half-looms. The jacquard combs are woven in a full-thread manner. The bottomless jacquard basic structure is 1-0-1-1 / 2-3-2-2 / / and 2-3-2-2 / 1-0-1-1 / / , which is woven by the third yarn through two staggered half-loom jacquard combs in a full-thread manner. The bottom layer is woven by the fourth yarn, which includes a chain braided structure 1-0-1-1 / 1-0-1-1 / / woven by a ground comb in a full-thread manner. The second yarn is visually distinguishable from the first yarn and / or the third yarn. The padding floats in the padding structure are held and positioned by the bottomless jacquard basic structure and the bottom layer and are at least partially exposed.

[0005] In this technical solution, the simulated woven layer is formed by weaving a first yarn through two opposing ground combs in a one-through-one-open manner. The two ground combs form a structure with opposite directions and complementary textures, creating a base effect on the fabric surface similar to a woven texture. The missing pad structure in the simulated heddle layer is formed by a second yarn, creating continuous or discontinuous missing pad floats in the fabric. Since the second yarn is visually distinguishable from the first and / or third yarns in terms of color, dyeing depth, luster, or surface texture, and the missing pad floats are at least partially exposed on the fabric surface or in surface gaps, these missing pad floats can be visually identified as colored lines similar to heddle stitches. The baseless jacquard basic structure and the bottom layer together support, hold, and limit the missing pad floats formed by the second yarn, reducing the displacement, loosening, or detachment of the missing pad floats. Thus, this warp-knitted fabric achieves a simulated woven heddle appearance without forming a real woven heddle structure, while maintaining the structural stability and anti-unraveling properties of the warp-knitted fabric.

[0006] Option 2 is based on Option 1, wherein the thickness of the second yarn is not less than 150D.

[0007] In this technical solution, the thickness of the second yarn is not less than 150D, so that the float formed by the second yarn has a larger diameter and a stronger visual presence, avoiding the problem of indistinct heddle stitches due to the second yarn being too thin.

[0008] Option 3 is based on Option 2, wherein the first yarn is 150D / 72F polyester high shrinkage yarn.

[0009] In this technical solution, the first yarn is a 150D / 72F polyester high-shrinkage yarn. Since the first yarn is used to form the woven-like layer, the use of polyester high-shrinkage yarn can produce a certain amount of shrinkage during subsequent heat treatment or setting, making the loops and extension lines of the woven-like layer tighter, thereby improving the density and clarity of the woven texture on the surface.

[0010] Option 4 is based on Option 2, wherein the second yarn is a 150D / 48F cationic low-elasticity yarn.

[0011] In this technical solution, the second yarn is a 150D / 48F cationic low-elasticity yarn. Because cationic low-elasticity yarn differs from ordinary polyester yarn in dyeing performance and appearance, the floats formed by the second yarn can create different dyeing or color effects relative to the first and third yarns, thus making the heddle stitches more prominent.

[0012] Option 5 is based on Option 2, wherein the third yarn is a 150D / 48F polyester high shrinkage yarn.

[0013] In this technical solution, the third yarn is a 150D / 48F polyester high-shrinkage yarn. The third yarn is used to form a bottomless jacquard basic structure, which can be moderately tightened after dyeing, finishing or heat setting. This allows the bottomless jacquard basic structure to provide more stable support and restraint for the padding floats formed by the second yarn, thereby reducing the offset and loosening of the padding floats during use and helping to maintain the stability and durability of the imitation heddle stitch.

[0014] Option 6 is based on Option 2, in which the fourth yarn is 75D / 36F polyester low-elasticity yarn.

[0015] In this technical solution, the fourth yarn is a 75D / 36F polyester low-elasticity yarn. Since the fourth yarn is used to form the bottom braided structure, using a finer 75D / 36F polyester low-elasticity yarn can ensure that the bottom layer has the necessary support and connection stability while avoiding the bottom layer being too thick and too stiff, thereby improving the softness and wearing comfort of the fabric.

[0016] Scheme 7 relates to a method for manufacturing a fabric, used to manufacture warp-knitted fabric based on any of the technical schemes in Schemes 1 to 6, comprising the following steps: S1: Selecting a double-needle bed Jacquard warp knitting machine with at least seven guide bars, wherein the seven guide bars are arranged in the following order from the front needle bed to the rear needle bed: ground guide GB1, ground guide GB2, half-machine size Jacquard guide JB3.1, half-machine size Jacquard guide JB3.2, half-machine size Jacquard guide JB4.1, half-machine size Jacquard guide JB4.2, and ground guide GB5, wherein GB1 and GB2 are arranged opposite each other, JB3.1 and JB3.2 are arranged alternately, and JB4.1 and JB4.2 are arranged alternately; S2: Threading the yarn through the guide bars, wherein GB1 and GB2 are threaded into the first yarn in a one-through-one-open manner, and JB3.1 and JB3.2 are threaded into the second yarn in a full-through manner, JB... 4.1 and JB4.2 insert the third yarn in a full-thread manner, and GB5 inserts the fourth yarn in a full-thread manner; S3: warp feeding knitting, GB1 and GB2 knit the imitation woven layer, of which GB1 knits 1-0-1-1 / 1-2-1-1 / 1-0-1-1 / 3-4-3-3 / / structure, and GB2 knits 3-4-3-3 / 3-2-3-3 / 3-4-3-3 / 1-0-1-1 / / structure; JB3.1 and JB3.2 knit the missing pad structure 1-1-1-1 / 1-1-1-1 / / , and JB4.1 and JB4.2 knit the bottomless jacquard basic structure 1-0-1-1 / 2-3-2-2 / / and 2-3-2-2 / 1-0-1-1 / / ; GB5 knits the bottom chain braid structure 1-0-1-1 / 1-0-1-1 / / .

[0017] In this technical solution, by selecting a double-needle bed Jacquard warp knitting machine with at least seven guide bars, and arranging the guide bars in the following order: ground guide bar GB1, ground guide bar GB2, half-machine Jacquard guide bar JB3.1, half-machine Jacquard guide bar JB3.2, half-machine Jacquard guide bar JB4.1, half-machine Jacquard guide bar JB4.2, and ground guide bar GB5, the imitation woven layer, imitation heddle layer, and bottom layer can be knitted synchronously on the same warp knitting machine. This eliminates the need for additional forming processes such as weaving, embroidery, bonding, or lamination to obtain the heddle appearance, thereby simplifying the manufacturing process and improving production efficiency. Among them, GB1 and GB2 are inserted into the first yarn in a one-through-one-open manner and respectively weave a relatively matching imitation woven layer structure to form an imitation woven texture; JB3.1 and JB3.2 are inserted into the second yarn in a full-through manner and weave a missing pad structure to form a continuously distributed missing pad float; JB4.1 and JB4.2 are inserted into the third yarn in a full-through manner and weave a bottomless jacquard basic structure. The bottomless jacquard basic structure can overlap with the missing pad float and play a supporting, limiting and partial covering role for the missing pad float, so that the color-developing stitches formed by the second yarn are stably presented on the fabric surface or in the surface gaps; GB5 is inserted into the fourth yarn in a full-through manner and weaves a chain braid structure to form a stable bottom support structure. Therefore, this manufacturing method enables the structures formed by different combs to be positioned and formed synchronously during the weaving process, ensuring the accurate relative positions between the imitation woven layer, the imitation heddle layer and the bottom layer, so that the resulting fabric has a stable interlayer bonding effect and a consistent heddle visual effect, making it suitable for mass production of warp-knitted fabrics with a woven heddle appearance.

[0018] Option 8 is based on Option 7, in which all combs act on the back needle bed.

[0019] In this technical solution, all guide bars act on the back needle bed, enabling the imitation woven layer, imitation heddle layer, and bottom layer to form and combine with each other on the same needle bed side, thereby improving the overlapping accuracy and interlayer bonding stability of each structure. This simplifies the knitting process, reduces process control difficulty, and improves production efficiency and product consistency. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used are briefly described below.

[0021] Figure 1 This is a diagram showing the yarn padding motion of GB1 and GB2 in this embodiment.

[0022] Figure 2 This is a diagram showing the yarn padding motion of Jacquard combs JB3.1 and JB3.2 in this embodiment.

[0023] Figure 3 This is a diagram showing the yarn padding motion of Jacquard combs JB4.1 and JB4.2 in this embodiment.

[0024] Figure 4 This is a diagram showing the movement of the padding yarn in the GB5 ground comb in this embodiment.

[0025] Figure 5 This is a schematic diagram of the warp-knitted fabric in this embodiment. Detailed Implementation

[0026] Unless otherwise expressly defined, the use of terms such as "first," "second," or "third" in the claims, description, and accompanying drawings of this application is for the purpose of distinguishing different objects, not for describing a specific order.

[0027] Unless otherwise specified, in the claims and description, the terms "comprising," "having," and variations thereof mean "including but not limited to."

[0028] In the claims and description, unless otherwise specified, the term "have" means that a technical feature that follows is part of a technical feature that precedes it.

[0029] Unless otherwise specified, the terms “fixed connection” or “relatively fixed” in the claims and description shall be interpreted broadly to mean any connection in which there is no displacement or relative rotation relationship between the two parties, including non-removable fixed connection, detachable fixed connection, fixed connection by fasteners, integral connection, direct fixed connection or indirect fixed connection.

[0030] Unless otherwise specified, in the claims and description, the terms “upper,” “lower,” “front,” “rear,” “left,” “right,” etc., indicate directions or positional relationships based on the directions explicitly shown in the drawings.

[0031] Unless otherwise specified in the claims and description, the terms "up and down direction", "front and back direction", and "left and right direction" essentially mean that the up and down direction, the front and back direction, and the left and right direction are relatively perpendicular to each other, that is, the up and down direction is perpendicular to the front and back direction, the up and down direction is perpendicular to the left and right direction, and the front and back direction is perpendicular to the left and right direction.

[0032] Unless otherwise specified in the claims and description, the term "two opposing ground combs" refers to two ground combs that are arranged correspondingly on the needle bed, and whose guiding needle positions, threading positions and padding directions are coordinated with each other, so that the two ground combs form stitches with opposite directions or complementary textures, thereby creating a texture effect on the fabric surface similar to the interlacing of woven warp and weft yarns.

[0033] Unless otherwise specified in the claims and description, the term "two staggered half-size Jacquard combs" refers to two half-size Jacquard combs whose guide needle positions are staggered laterally, with one half-size Jacquard comb corresponding to some needle positions and the other half-size Jacquard comb corresponding to the remaining needle positions, together covering all working needle positions.

[0034] Example This embodiment provides a warp-knitted fabric, which includes an integrally woven imitation woven layer, an imitation heddle layer, and an underlayer.

[0035] like Figure 1 As shown, the woven layer is woven from the first yarn, which includes two opposing ground combs woven in a one-through-one-open manner, each with a 1-0-1-1 / 1-2-1-1 / 1-0-1-1 / 3-4-3-3 / / structure and a 3-4-3-3 / 3-2-3-3 / 3-4-3-3 / 1-0-1-1 / / structure.

[0036] The simulated heddle layer includes pad-deficient tissue and baseless Jacquard basic tissue.

[0037] like Figure 2 As shown, the missing pad structure is 1-1-1-1 / 1-1-1-1 / / , which is woven from the second yarn through two staggered half-gauge jacquard combs in a full-thread manner.

[0038] like Figure 3 As shown, the basic structure of the bottomless jacquard is 1-0-1-1 / 2-3-2-2 / / and 2-3-2-2 / 1-0-1-1 / / , which is woven by the third yarn through two staggered half-size jacquard combs in a full-thread manner.

[0039] like Figure 4 As shown, the bottom layer is woven from the fourth yarn, which includes a chain structure 1-0-1-1 / 1-0-1-1 / / woven with a ground comb in a full-thread manner.

[0040] In the dented tissue, the dented floating line is held and positioned by the bottomless jacquard base tissue and the basal layer, and is at least partially exposed.

[0041] Regarding the materials used, the second yarn is visually distinguishable from the first and / or third yarns, for example, by differences in color, dyeing depth, gloss, or surface texture. The second yarn has a fineness of not less than 150D. In this embodiment, the first yarn is a 150D / 72F polyester high-shrinkage yarn, the second yarn is a 150D / 48F cationic low-elasticity yarn, the third yarn is a 150D / 48F polyester high-shrinkage yarn, and the fourth yarn is a 75D / 36F polyester low-elasticity yarn.

[0042] The manufacturing method of the warp-knitted fabric in this embodiment is described in detail below.

[0043] S1: Select a double-needle-bed Jacquard warp knitting machine with at least seven guide bars. The order of the seven guide bars from the front needle bed to the rear needle bed is as follows: ground guide GB1, ground guide GB2, half-machine Jacquard guide JB3.1, half-machine Jacquard guide JB3.2, half-machine Jacquard guide JB4.1, half-machine Jacquard guide JB4.2, and ground guide GB5. GB1 and GB2 are arranged opposite each other, JB3.1 and JB3.2 are arranged alternately, and JB4.1 and JB4.2 are arranged alternately. All guide bars act on the rear needle bed.

[0044] S2: Combing and threading the yarn, where GB1 and GB2 are threaded into the first yarn in a one-through-one-open manner, JB3.1 and JB3.2 are threaded into the second yarn in a full-through manner, JB4.1 and JB4.2 are threaded into the third yarn in a full-through manner, and GB5 is threaded into the fourth yarn in a full-through manner; S3: Warp-feeding weaving, GB1 and GB2 weaving of the imitation woven layer, wherein GB1 weaves 1-0-1-1 / 1-2-1-1 / 1-0-1-1 / 3-4-3-3 / / weave, GB2 weaves 3-4-3-3 / 3-2-3-3 / 3-4-3-3 / 1-0-1-1 / / weave; JB3.1 and JB3.2 weave of the missing pad weave 1-1-1-1 / 1-1-1-1 / / , JB4.1 and JB4.2 weave of the bottomless jacquard basic weave 1-0-1-1 / 2-3-2-2 / / and 2-3-2-2 / 1-0-1-1 / / ; GB5 weaves the bottom chain weave 1-0-1-1 / 1-0-1-1 / / .

[0045] In this embodiment, the simulated woven layer is formed by weaving the first yarn through two opposing ground combs in a one-through-one-open manner. The two ground combs form opposite directions and complementary textures, creating a base effect on the fabric surface similar to a woven texture. The missing pad structure in the simulated heddle layer is formed by the second yarn, creating continuous or discontinuous missing pad floats in the fabric. Since the second yarn is visually distinguishable from the first and / or third yarns in terms of color, dyeing depth, luster, or surface texture, and the missing pad floats are at least partially exposed on the fabric surface or in surface gaps, these missing pad floats can be visually identified as colored lines similar to heddle stitches. The baseless jacquard basic structure and the bottom layer together support, hold, and limit the missing pad floats formed by the second yarn, reducing the displacement, loosening, or detachment of the missing pad floats. Thus, this warp-knitted fabric achieves a simulated woven heddle appearance without forming a real woven heddle structure, while maintaining the structural stability and anti-unraveling properties of the warp-knitted fabric.

[0046] In this embodiment, the thickness of the second yarn is not less than 150D, so that the float formed by the second yarn has a larger diameter and a stronger visual presence, avoiding the problem of indistinct heddle stitches due to the second yarn being too thin.

[0047] In this embodiment, the first yarn is a 150D / 72F polyester high-shrinkage yarn. Since the first yarn is used to form the woven-like layer, the use of polyester high-shrinkage yarn can produce a certain amount of shrinkage during subsequent heat treatment or setting, making the loops and extension lines of the woven-like layer tighter, thereby improving the density and clarity of the woven texture on the surface.

[0048] In this embodiment, the second yarn is a 150D / 48F cationic low-elasticity yarn. Because cationic low-elasticity yarn differs from ordinary polyester yarn in dyeing performance and appearance, the floats formed by the second yarn can create different dyeing or color effects relative to the first and third yarns, thus making the heddle stitches more prominent.

[0049] In this embodiment, the third yarn is a 150D / 48F polyester high-shrinkage yarn. The third yarn is used to form a bottomless jacquard basic structure, which can be moderately tightened after dyeing, finishing or heat setting. This allows the bottomless jacquard basic structure to provide more stable support and restraint for the padding float formed by the second yarn, thereby reducing the displacement and loosening of the padding float during use and helping to maintain the stability and durability of the imitation heddle stitch.

[0050] In this embodiment, the fourth yarn is a 75D / 36F polyester low-elasticity yarn. Since the fourth yarn is used to form the bottom braided structure, using a finer 75D / 36F polyester low-elasticity yarn can ensure that the bottom layer has the necessary support and connection stability while avoiding the bottom layer being too thick and stiff, thereby improving the softness and wearing comfort of the fabric.

[0051] In this embodiment, by selecting a double-needle bed Jacquard warp knitting machine with at least seven guide bars, and arranging the guide bars in the order of ground guide bar GB1, ground guide bar GB2, half-machine Jacquard guide bar JB3.1, half-machine Jacquard guide bar JB3.2, half-machine Jacquard guide bar JB4.1, half-machine Jacquard guide bar JB4.2, and ground guide bar GB5, the imitation woven layer, imitation heddle layer, and bottom layer can be knitted synchronously on the same warp knitting machine. This eliminates the need for additional forming processes such as weaving, embroidery, bonding, or lamination to obtain the heddle appearance, thereby simplifying the manufacturing process and improving production efficiency. Among them, GB1 and GB2 are inserted into the first yarn in a one-through-one-open manner and respectively weave a relatively matching imitation woven layer structure to form an imitation woven texture; JB3.1 and JB3.2 are inserted into the second yarn in a full-through manner and weave a missing pad structure to form a continuously distributed missing pad float; JB4.1 and JB4.2 are inserted into the third yarn in a full-through manner and weave a bottomless jacquard basic structure. The bottomless jacquard basic structure can overlap with the missing pad float and play a supporting, limiting and partial covering role for the missing pad float, so that the color-developing stitches formed by the second yarn are stably presented on the fabric surface or in the surface gaps; GB5 is inserted into the fourth yarn in a full-through manner and weaves a chain braid structure to form a stable bottom support structure. Therefore, this manufacturing method enables the structures formed by different combs to be positioned and formed synchronously during the weaving process, ensuring the accurate relative positions between the imitation woven layer, the imitation heddle layer and the bottom layer, so that the resulting fabric has a stable interlayer bonding effect and a consistent heddle visual effect, making it suitable for mass production of warp-knitted fabrics with a woven heddle appearance.

[0052] In this embodiment, all guide bars act on the back needle bed, enabling the simulated woven layer, simulated heddle layer, and bottom layer to form and bond together on the same needle bed side, thereby improving the overlapping accuracy and interlayer bonding stability of each structure. This simplifies the knitting process, reduces process control difficulty, and improves production efficiency and product consistency.

[0053] The description of the above specification and embodiments is used to explain the scope of protection of this application, but does not constitute a limitation on the scope of protection of this application.

Claims

1. A warp-knitted fabric, characterized in that, The system comprises an integrally woven imitation woven layer, an imitation heddle layer, and a base layer. The imitation woven layer is woven from a first yarn and includes two weaves, 1-0-1-1 / 1-2-1-1 / 1-0-1-1 / 3-4-3-3 / / and 3-4-3-3 / 3-2-3-3 / 3-4-3-3 / 1-0-1-1 / / , woven by two opposing ground guides in a one-through-one-open pattern. The imitation heddle layer includes a missing pad structure and a baseless Jacquard basic structure. The missing pad structure is 1-1-1-1 / 1-1-1-1 / / , woven by a second yarn through two staggered half-size Jacquard guides in a full-through pattern. The bottomless jacquard basic structure is 1-0-1-1 / 2-3-2-2 / / and 2-3-2-2 / 1-0-1-1 / / , which is woven by the third yarn through two staggered half-size jacquard combs in a full-thread manner; the bottom layer is woven by the fourth yarn, which includes a chain braid 1-0-1-1 / 1-0-1-1 / / woven by a ground comb in a full-thread manner; wherein, the second yarn is visually distinguishable from the first yarn and / or the third yarn, and the missing floats in the missing pad structure are held and positioned by the bottomless jacquard basic structure and the bottom layer and are at least partially exposed.

2. The warp-knitted fabric as described in claim 1, characterized in that, The fineness of the second yarn is not less than 150D.

3. The warp-knitted fabric as described in claim 2, characterized in that, The first yarn is a 150D / 72F polyester high shrinkage yarn.

4. The warp-knitted fabric as described in claim 2, characterized in that, The second yarn is a 150D / 48F cationic low-elasticity yarn.

5. The warp-knitted fabric as described in claim 2, characterized in that, The third yarn is a 150D / 48F polyester high shrinkage yarn.

6. The warp-knitted fabric as described in claim 2, characterized in that, The fourth yarn is a 75D / 36F polyester low-elasticity yarn.

7. A method for manufacturing warp-knitted fabric as described in any one of claims 1-6, characterized in that, Includes the following steps: S1: Select a double-needle-bed Jacquard warp knitting machine with at least seven guide bars. The seven guide bars, from the front needle bed to the rear needle bed, are arranged as follows: ground guide GB1, ground guide GB2, half-machine size Jacquard guide bar JB3.1, half-machine size Jacquard guide bar JB3.2, half-machine size Jacquard guide bar JB4.1, half-machine size Jacquard guide bar JB4.2, and ground guide GB5. GB1 and GB2 are arranged opposite each other, JB3.1 and JB3.2 are arranged alternately, and JB4.1 and JB4.2 are arranged alternately. S2: Thread the yarn through the guide bars. GB1 and GB2 are threaded into the first yarn in a one-through-one-open pattern. JB3.1 and JB3.2 are threaded into the second yarn in a full-through pattern. JB4.1 and JB4.2 are threaded into the third yarn in a full-through pattern. GB5 is threaded into the third yarn in a... The fourth yarn is inserted in a full-thread manner; S3: warp feeding knitting, GB1 and GB2 knit the imitation woven layer, wherein GB1 knits 1-0-1-1 / 1-2-1-1 / 1-0-1-1 / 3-4-3-3 / / structure, GB2 knits 3-4-3-3 / 3-2-3-3 / 3-4-3-3 / 1-0-1-1 / / structure; JB3.1 and JB3.2 knit the missing pad structure 1-1-1-1 / 1-1-1-1 / / , JB4.1 and JB4.2 knit the bottomless jacquard basic structure 1-0-1-1 / 2-3-2-2 / / and 2-3-2-2 / 1-0-1-1 / / ; GB5 knits the bottom chain braiding structure 1-0-1-1 / 1-0-1-1 / / .

8. The manufacturing method as described in claim 7, characterized in that, All combs act on the back needle bed.