CN219930412U

CN219930412U - Elastic fabric

Info

Publication number: CN219930412U
Application number: CN202321028654.6U
Authority: CN
Inventors: 朱云
Original assignee: Shaoxing Keqiao Yunma Textile Technology Co ltd
Current assignee: Shaoxing Keqiao Yunma Textile Technology Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-10-31
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses an elastic fabric, relates to the field of knitted fabrics, and aims to solve the problem that the elasticity of the warp direction and the weft direction of the existing knitted fabric is difficult to be considered, and the technical scheme is as follows: the warp knitted fabric comprises a base layer, wherein the base layer comprises warp knitted fabric and heavy warp knitted chain fabric, the heavy warp knitted chain fabric is positioned at a turning position of the warp knitted fabric, the warp knitted fabric at least spans three needle pitches in the weft direction, and the heavy warp knitted chain fabric at least spans two needle pitches in the warp direction. The warp-wise elasticity of the fabric is improved through the warp-wise forged structure, meanwhile, the heavy warp-knitted chain structures adjacent in the weft direction are mutually independent, namely, the heavy warp-knitted chain structures are not subjected to weft-wise stretching force, so that the weft-wise elasticity of the fabric is ensured, when the heavy warp-knitted chain structures are subjected to warp-wise stretching force, deformation is concentrated on the heavy warp-knitted chain structures with good warp-wise elasticity, the warp-wise elasticity of the fabric is improved, the elasticity of the fabric in two directions is both considered, the elasticity of the fabric is improved through spandex fiber yarns and T400 fiber yarns, and the connection strength between elastic yarns is improved through the sections.

Description

Elastic fabric

Technical Field

The utility model relates to the field of knitted fabrics, in particular to an elastic fabric.

Background

Elasticity is one of main performance indexes of the fabric, the knitted fabric comprises warp knitted fabric and weft knitted fabric, and compared with a woven structure of the woven fabric, the knitted fabric is connected through loops to form an integral woven structure of the fabric, so that the elasticity of the knitted fabric is good, the elasticity of the weft knitted fabric is poor in warp direction, and the elasticity of the warp knitted fabric in weft direction is poor, namely the elasticity in two directions is difficult to be considered.

There is therefore a need to propose a new solution to this problem.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide the elastic fabric.

The technical aim of the utility model is realized by the following technical scheme: an elastic fabric comprises a base layer, wherein the base layer comprises warp-knitted tissues and heavy warp-knitted chain tissues, the heavy warp-knitted chain tissues are positioned at turning positions of the warp-knitted tissues, the warp-knitted tissues at least span three needle pitches in the weft direction, and the heavy warp-knitted chain tissues at least span two needle pitches in the warp direction.

The utility model is further provided with: the heavy warp knitting chain stitch is an open heavy warp knitting chain stitch, and the swaged stitch is an open swaged stitch.

The utility model is further provided with: the base layer comprises a guide bar GB1, and the yarn-laying number of the guide bar GB1 is 0-1/1-2/2-4/4-2/2-4/4-3/3-2/2-0/0-2/2-0.

The utility model is further provided with: the base layer is formed by weaving elastic yarns, and the elastic yarns are provided with a plurality of sections.

The utility model is further provided with: the elastic yarn comprises a stretching fiber bundle and a restoring fiber bundle wound outside the stretching fiber bundle, wherein the restoring fiber bundle forms a high twist part and a low twist part outside the stretching fiber bundle.

The utility model is further provided with: the drawn fiber bundle is formed by twisting spandex fiber, and the recovery fiber bundle is formed by twisting T400 fiber.

In summary, the utility model has the following beneficial effects: the warp-wise elasticity of the fabric is improved through the warp-wise forged structure, meanwhile, the heavy warp-knitted chain structures adjacent in the weft direction are mutually independent, namely, the heavy warp-knitted chain structures are not subjected to weft-wise stretching force, weft-wise elasticity of the fabric is guaranteed, when the heavy warp-knitted chain structures are subjected to warp-wise stretching force, deformation is concentrated on the heavy warp-knitted chain structures with good warp-wise elasticity, the warp-wise elasticity of the fabric is improved, the elasticity of the fabric in two directions is both considered, the elasticity of the fabric is improved through spandex fiber yarns and T400 fiber yarns, the connection strength between elastic yarns is improved by the sections, larger friction force exists at the mutual contact position of the elastic yarns, deflection of the elastic yarns under the action of stretching force is avoided, and meanwhile, the recovery fiber bundles wound outside the stretching fiber bundles are restored to the original shape after stretching, so that the shape retention of the fabric is improved.

Drawings

FIG. 1 is a yarn-laying movement diagram of the guide bar GB 1;

fig. 2 is a schematic structural view of an elastic yarn.

In the figure: 1. stretching the fiber bundles; 2. the fiber bundle is recovered.

Detailed Description

The present utility model will be described in detail below with reference to the accompanying drawings and examples.

Examples: an elastic fabric is shown in fig. 1, and comprises a base layer, wherein the base layer comprises warp-knitted structures and heavy warp-knitted chain structures, the heavy warp-knitted chain structures are positioned at turning positions of the warp-knitted structures, at least weft spans three needle pitches, the heavy warp-knitted chain structures at least span two needle pitches, the heavy warp-knitted chain structures are open heavy warp-knitted chain structures, the warp-knitted structures are open warp-knitted structures, the base layer comprises guide bars GB1, the weft-knitted numbers of the guide bars GB1 are 0-1/1-2/2-4/4-2/4/3-3/2-0/0-2/2-0, the open heavy warp-knitted chain structures and the open warp-knitted structures are knitted alternately, so that adjacent open heavy warp-knitted chain structures are conveniently positioned at two sides of the minimum knitting cycle of the base layer, a half open warp-knitted structure is arranged between two adjacent open heavy warp-knitted chain structures, the open heavy warp-knitted structures span the three needle pitches, the open warp-knitted structures span the weft directions, the weft-knitted structures, the weft elastic fabric is improved through the warp-knitted structures, and simultaneously, warp-knitted fabric warp elastic force is not concentrated in warp-knitted fabric warp-knitted structures, and the warp-knitted fabric is stretched in the warp-knitted structures, and the warp-knitted fabric has good elastic force is not concentrated in warp-knitted fabric.

As shown in fig. 2, the base layer is woven by elastic yarns, the elastic yarns are provided with a plurality of sections, each elastic yarn comprises a stretched fiber bundle 1 and a restoring fiber bundle 2 wound outside the stretched fiber bundle 1, the restoring fiber bundle 2 is formed by twisting spandex fiber yarns outside the stretched fiber bundle 1, the restoring fiber bundle 2 is formed by twisting T400 fiber yarns, particularly, three strands of T400 fiber yarns are twisted into a restoring fiber bundle 2, three strands of spandex fiber yarns are twisted into a stretched fiber bundle 1, a single strand of restoring fiber bundle 2 is wound on the single strand of stretched fiber bundle 1 to form elastic yarns, a plurality of alternately arranged high-twist sections and low-twist sections are formed on the surface of the elastic yarns through twisting degree changes of the restoring fiber bundle 2, namely, the elasticity of the fabric is improved through alternately arranged high-twist sections and low-twist sections, the connection strength between the elastic yarns is improved through the spandex fiber yarns and the T400 fiber yarns, the elastic yarns are contacted with one another to form a large friction force, and the elastic yarns are prevented from being wound outside the stretched fiber bundles 1 under the action of stretching deflection, and the stretch-like fabric is prevented from being stretched, and the stretch-like fabric is improved.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. An elastic fabric is characterized in that: the warp knitting machine comprises a base layer, wherein the base layer comprises a warp knitting structure and a heavy warp knitting chain structure, the heavy warp knitting chain structure is positioned at a turning position of the warp knitting structure, the warp knitting structure at least spans three needle pitches in the weft direction, and the heavy warp knitting chain structure at least spans two needle pitches in the warp direction.

2. The stretch fabric of claim 1, wherein: the heavy warp knitting chain stitch is an open heavy warp knitting chain stitch, and the swaged stitch is an open swaged stitch.

3. The stretch fabric of claim 2, wherein: the base layer comprises a guide bar GB1, and the yarn-laying number of the guide bar GB1 is 0-1/1-2/2-4/4-2/2-4/4-3/3-2/2-0/0-2/2-0.

4. The stretch fabric of claim 1, wherein: the base layer is formed by weaving elastic yarns, and the elastic yarns are provided with a plurality of sections.

5. The stretch fabric of claim 4, wherein: the elastic yarn comprises a stretching fiber bundle and a restoring fiber bundle wound outside the stretching fiber bundle, wherein the restoring fiber bundle forms a high twist part and a low twist part outside the stretching fiber bundle.

6. The stretch fabric of claim 5, wherein: the drawn fiber bundle is formed by twisting spandex fiber, and the recovery fiber bundle is formed by twisting T400 fiber.