CN217709812U - High-elastic breathable yarn - Google Patents

Abstract

The utility model discloses a high-elastic ventilative yarn relates to weaving technical field, aims at solving the tensile back of elastic yarn self and shelters from the problem that the area descends. The key points of the technical scheme are as follows: including the yarn body, the yarn body includes elasticity core yarn and ventilative thigh yarn, and the array distributes along its length direction of elasticity core yarn has the supporting part, and the cross-sectional area of supporting part is greater than the cross-sectional area of elasticity core yarn, and when the yarn body received yarn body length direction's effort, there was the bleeder vent between elasticity core yarn and the ventilative thigh yarn. The utility model discloses a set up elasticity core yarn into bunchy yarn to twist ventilative thigh yarn on elasticity core yarn through the mode of twisting oneself, when the yarn is tensile, elasticity core yarn is kept away from to ventilative thigh yarn, makes the bleeder vent appear between ventilative thigh yarn and the elasticity core yarn, increases its shading performance when increasing the gas permeability of yarn, through setting up the spandex fibre, makes the yarn have better elasticity and comfort performance.

Description

High-elastic breathable yarn

Technical Field

The utility model relates to a textile technology field, more specifically say, it relates to a high-elastic ventilative yarn.

Background

The yarn is a textile, is processed into products with certain fineness by various textile fibers, is used for weaving, rope making, thread making, knitting, embroidering and the like, and is divided into staple fiber yarn, continuous filament yarn and the like.

In the use, because the yarn adopts the fibre twisting to form for the fibre is the heliciform and distributes, and receives the pulling force effect time at the yarn for the heliciform fibre tends the straight line, and the clearance between the fibre reduces this moment, makes the yarn inseparabler, causes the yarn interval of surface fabric body bigger, thereby makes the shading performance of surface fabric body descend.

The utility model provides a new technical scheme solves the tensile back self of elastic yarn and shelters from the problem that the area descends.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a high-elastic ventilative yarn is through setting up the supporting part and from the ventilative strand of twisting with fingers for when tensile yarn, the supporting part is kept away from each other, makes the yarn that is obtained from twisting with fingers the formation take place to move back to twist with fingers, thereby guarantees the shading area of yarn body, makes simultaneously to form the bleeder vent between ventilative strand yarn and the elasticity core yarn, promotes the air permeability of yarn body.

The above technical object of the present invention can be achieved by the following technical solutions: the utility model provides a high-elastic ventilative yarn, includes the yarn body, the yarn body includes elasticity core yarn and ventilative thigh yarn, the array distribution has the supporting part on elasticity core yarn along its length direction, the cross-sectional area of supporting part is greater than the cross-sectional area of elasticity core yarn, works as when the yarn body receives yarn body length direction's effort, there is the bleeder vent between elasticity core yarn and the ventilative thigh yarn.

Through adopting the above technical scheme, through setting up the supporting part, make the support of accomplishing ventilative thigh yarn between the supporting part, when the yarn received tensile effort, elastic core yarn takes place elastic deformation, make the supporting part keep away from each other, because ventilative thigh yarn twisting is in the outside of elastic core yarn, the supporting part makes the ventilative thigh yarn in the outside be difficult to take place the process of the shrink of being close to elastic core yarn, make ventilative thigh yarn take place the change of self fibre extension, it does not take place obvious change to cause the regional change of sheltering from of ventilative thigh yarn, and the bleeder vent appears between elastic core yarn and the ventilative thigh yarn, thereby guarantee the cross-sectional area of yarn body, stabilize its shading performance, ventilative thigh yarn makes the yarn body have better air permeability simultaneously.

The utility model discloses further set up to: the elastic core yarn is thick bamboo knot yarn, and the elastic core yarn is short bamboo knot yarn.

Through adopting above-mentioned technical scheme, through setting up elasticity core yarn into bunchy yarn, make convex bunchy appear on the elasticity core yarn, thereby make the bunchy of bunchy yarn form the supporting part on the elasticity core yarn, thick bamboo knot yarn has the bigger bamboo joint of cross-sectional area, make the supporting part have the bigger cross-sectional long-pending poor with basic yarn, short bamboo knot yarn makes the supporting part have more quantity and reduces the length of supporting part place elasticity core yarn, make the yarn body have better air permeability when tensile.

The utility model discloses further set up to: the air-permeable strand yarns are twisted on the outer peripheral wall of the elastic core yarns in a self-twisting spinning mode.

Through adopting above-mentioned technical scheme, ventilative strand yarn twists at the periphery wall of elasticity core yarn through the mode of twisting oneself, and ventilative strand yarn is when receiving certain tensile effort for ventilative strand yarn moves back to twist with fingers at the untwisted section of twisting with fingers certainly, and the total length lengthens, thereby makes ventilative strand yarn keep away from elasticity strand yarn, thereby makes the bleeder vent appear between ventilative strand yarn and the elasticity core yarn.

The utility model discloses further set up to: the length of the half self-twisting period of the breathable strand yarn is smaller than or equal to the slub interval of the elastic core yarn, and the non-twisting area of the breathable strand yarn is arranged on the slub interval of the elastic core yarn.

Through adopting above-mentioned technical scheme, through setting up the self-twisting cycle of ventilative thigh yarn for two untwisted areas of a cycle of ventilative thigh yarn are in between two slubs, thereby when the slub was kept away from each other, make and obtain from the s of twisting with fingers the formation twist with fingers the section and twist with fingers the section with the z and move back the twist, and the untwisted area of ventilative thigh yarn sets up on the slub interval of elasticity core yarn, prevents that untwisted area and supporting part from conflicting, causes the phenomenon that the untwisted area is difficult to appear moving back the twist.

The utility model discloses further set up to: the section of the breathable strand yarn with the twist larger than the average twist is arranged on the slub of the elastic core yarn.

Through adopting above-mentioned technical scheme, because the distribution characteristics of self-twisting twist, set up the one section that the twist of ventilative thigh yarn is greater than its average twist on the slub of elasticity core yarn for ventilative thigh yarn and elasticity yarn twisting, ventilative thigh yarn and elasticity yarn's twisting are inseparabler, and the less position setting of twist is between the slub simultaneously, makes when tensile, and the less region of twist can more simply take place to detwist.

The utility model discloses further set up to: the thickness of the elastic core yarn is 6 denier, and the thickness of the breathable strand yarn is smaller than that of the elastic core yarn.

Through adopting above-mentioned technical scheme, set up the thickness of elasticity core yarn into 6 denier, because the bunchy yarn of this thickness can produce the bigger slub of cross-sectional area when rotor type open-end spinning machine twists for there is bigger slub on the elasticity core yarn, through being less than the thickness of elasticity core yarn with the thickness of ventilative thigh yarn, feasible ventilative thigh yarn takes place to warp more easily when adopting the self-twisting.

The utility model discloses further set up to: the elastic core yarn is formed by twisting cotton filaments and spandex fibers, and the breathable strand yarn is formed by spinning fibrilia.

Through adopting above-mentioned technical scheme, cotton filament makes the slub that forms after the elasticity core yarn weaving have bigger cross-sectional area, makes the elasticity core yarn more level and more smooth simultaneously, and spandex fibre makes the elasticity core yarn have better elasticity, and the ventilative strand yarn that the fibrilia twisting formed has higher bending strength for ventilative strand yarn is difficult to straighten after backing up the twist, makes the bleeder vent between ventilative strand yarn and the elasticity core yarn bigger, returns the original state simultaneously more easily.

To sum up, the utility model discloses following beneficial effect has:

through setting up the supporting part and adopting the ventilative thigh yarn of self-twisting, make the yarn receive tensile effort in length direction, the supporting part makes the ventilative thigh yarn that derives from twisting untwist, make the bleeder vent appear between ventilative thigh yarn and the elasticity core yarn, in tensile process, ventilative thigh yarn receives an effort that tends to the supporting part, make ventilative thigh yarn be located between the supporting part all the time, thereby guarantee the cross-sectional area of yarn body, make the yarn body have better shading performance, through setting up elasticity core yarn into short bamboo festival yarn, make the elasticity appear more slub on the core yarn, make the base yarn between the slub occupy more length, thereby make more cavity appear on the yarn body, guarantee the air permeability of yarn body under the normal condition, through setting up the position of ventilative thigh yarn and elasticity core yarn and the cycle that the twist distributes, make the position that the twist is less is located between the slub, thereby make when the yarn body is tensile, the no district twists with fingers and drives the less region of twist and takes place to untwist, the great region of twist contacts with the slub simultaneously, make ventilative thigh yarn and elasticity core yarn be difficult to take place relative slip.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a yarn body; 2. an elastic core yarn; 3. and (4) air-permeable strand yarns.

Detailed Description

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

Example (b): a high-elastic breathable yarn comprises a yarn body 1, wherein the yarn body 1 comprises an elastic core yarn 2 and a breathable strand yarn 3, the breathable strand yarn 3 is twisted outside the elastic core yarn 2, and supporting parts are distributed on the elastic core yarn 2 along the length direction of the elastic core yarn 2 in an array mode.

As shown in the figure, the elastic core yarn 2 is a slub yarn, because the cross-sectional area of the slub is larger than that of the base yarn, the slub of the elastic core yarn 2 forms a supporting portion on the elastic core yarn 2, the elastic core yarn 2 is a thick bamboo knot yarn, the slub position has a larger cross-sectional area, a larger cross-sectional area is formed between the supporting portion and the elastic core yarn 2, the elastic core yarn 2 is a short bamboo knot yarn, more slubs and gaps between the slubs are formed on the fabric body, the air permeability of the yarn body 1 in a normal state is ensured, the air permeable strand yarn 3 is twisted on the outer peripheral wall of the elastic core yarn 2 in an auto-twist spinning mode, S twisted sections and Z twisted sections which are distributed in a staggered mode are formed between the elastic core yarn 2, when the air permeable strand yarn 3 is subjected to a stretching acting force, the air permeable strand yarn 3 can be straightened more simply, untwisted in a non-twist area, and because of the bending resistance of the air permeable yarn, air permeable core yarn 2 and the air permeable strand yarn body has a better air permeability.

As shown in the figure, the length of a half self-twisting period of the air-permeable strand yarn 3 is smaller than or equal to the slub interval of the elastic core yarn 2, at least one untwisting area is arranged in one slub interval, so that when slubs are far away from each other, the untwisting area is less limited due to the fact that the untwisting area is far away from the slubs, untwisting can occur more easily, the length of a single self-twisting period of the air-permeable strand yarn 3 is equal to the slub interval of the elastic core yarn 2, the untwisting area is arranged in the middle of the slub interval, at the moment, due to the trapezoidal distribution characteristic of the twist of self-twisting, the twist gradually changes slowly after the twist is gradually increased from the untwisting area and then gradually decreases, the untwisting area is arranged in the middle of the slub interval, the position where the twist of the air-permeable strand yarn 3 is the largest is located on the slub, not only are the air-permeable strand yarn 3 and the slubs tightly contacted with each other, but also the two sides of the untwisting area are more uniformly stressed, and the phenomenon can occur more simply when tensile force is applied.

As shown in the figure, the thickness of the elastic core yarn 2 is 6 denier, because the slub yarn can make the cross-sectional area of the slub department bigger when twisting through a claw cup spinning machine, make the elastic core yarn 2 have bigger slubs, the distance of the deformation of the air-permeable strand yarn 3 is increased more, thereby improving the shading and air permeability of the yarn, the elastic core yarn 2 is formed by twisting cotton filament and spandex fiber, the cotton filament makes the slubs formed after the elastic core yarn 2 is spun have bigger cross-sectional area, simultaneously, the elastic core yarn 2 is more flat, simultaneously, the friction force of the air-permeable strand yarn 3 and the elastic core yarn 2 is reduced, make the air-permeable strand yarn 3 be more easily over-deformed, the spandex fiber makes the elastic core yarn 2 have better elasticity, the air-permeable strand yarn 3 is formed by spinning hemp fiber, the air-permeable strand yarn 3 formed by twisting hemp fiber has higher bending strength, make the air-permeable strand yarn 3 be difficult to be straightened after being withdrawn, make the air-permeable strand yarn 3 and the elastic core yarn 2 be bigger, simultaneously, when the elastic strand 2 returns to the original state, the air-permeable strand 3 that is more easily returned to the original state.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A high-elastic breathable yarn is characterized in that: including yarn body (1), yarn body (1) includes elasticity core yarn (2) and ventilative thigh yarn (3), elasticity core yarn (2) have the supporting part along array distribution on its length direction, the cross-sectional area of supporting part is greater than the cross-sectional area of elasticity core yarn (2), works as when yarn body (1) receives yarn body (1) length direction's effort, there is the bleeder vent between elasticity core yarn (2) and ventilative thigh yarn (3).

2. The high elastic breathable yarn according to claim 1, characterized in that: the elastic core yarn (2) is thick bamboo knot yarn, and the elastic core yarn (2) is short bamboo knot yarn.

3. The high elastic breathable yarn according to claim 1, wherein: the air-permeable strand yarns (3) are twisted on the outer peripheral wall of the elastic core yarns (2) in a self-twisting spinning mode.

4. The high elastic breathable yarn according to claim 3, wherein: the length of the half self-twisting period of the breathable strand yarn (3) is smaller than or equal to the slub interval of the elastic core yarn (2), and the non-twisting area of the breathable strand yarn (3) is arranged on the slub interval of the elastic core yarn (2).

5. The high elastic breathable yarn according to claim 3, wherein: the position where the twist of the breathable strand yarn (3) is larger than the average twist is arranged on the bamboo joint of the elastic core yarn (2).

6. The high elastic breathable yarn according to claim 2, characterized in that: the thickness of the elastic core yarn (2) is 6 denier, and the thickness of the breathable strand yarn (3) is smaller than that of the elastic core yarn (2).

7. The high elastic breathable yarn according to claim 1, wherein: the elastic core yarn (2) is formed by twisting cotton filaments and spandex fibers, and the breathable strand yarn (3) is formed by spinning fibrilia.

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