Composite covering yarn
By using a combination structure of inner spandex filament, reinforcing yarn, moisture-absorbing yarn, fixing yarn, and comfort yarn in the core-spun yarn, the problem of deformation or breakage of elastic core-spun yarn during use is solved, thus improving the strength and comfort of the yarn.
Patent Information
- Application Number
- CN202520227832.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-13
AI Technical Summary
After long-term use, the core of existing elastic core-spun yarn is prone to deformation or breakage due to temperature and stretching, which affects the yarn strength.
The inner core is made of spandex filaments, and the outer wall is equipped with reinforcing yarn and moisture-absorbing yarn. The outer side is spirally wound with fixing yarn and comfort yarn. The inner core and reinforcing yarn enhance the overall strength through a multi-strand structure. The outer layer is equipped with a breathable and moisture-permeable coating. The yarn count and twist direction design improve the tear resistance and abrasion resistance of the yarn.
It improves the overall strength and elasticity of core-spun yarn, reduces yarn breakage and pilling, and enhances the yarn's moisture absorption and comfort.
Smart Images
Figure CN223752979U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a core spun yarn technical field more specifically, it relates to a kind of composite core spun yarn. BACKGROUND
[0002] Core spun yarn is also called composite yarn or covering yarn, it is a new type of yarn combined by two or more fibers. The initial core spun yarn is a short fiber and short fiber core spun yarn developed with cotton fiber as the skin and polyester short fiber yarn as the core. Core spun yarn has excellent performance of both filament core yarn and outer short fiber.
[0003] The yarn core of the existing elastic core spun yarn is mainly made of spandex fiber with good elasticity, and the outer covering yarn on the outside is mainly some short fibers such as cotton, wool and viscose, so that the core spun yarn has the characteristics of moisture absorption and air permeability. However, after long-term use of the elastic core spun yarn, the core yarn inside may be deformed or broken due to temperature and excessive stretching or improper washing method, which may reduce the strength of the yarn of the core spun yarn and affect the actual use.
[0004] Therefore, a new scheme is needed to solve this problem. UTILITY MODEL CONTENT
[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a composite core spun yarn to improve the overall strength and elasticity of the core spun yarn.
[0006] The above technical purpose of the utility model is realized by the following technical scheme: a composite core spun yarn, comprising an inner core, a plurality of reinforcing yarns are arranged on the outer peripheral wall of the inner core, a plurality of moisture-absorbing yarns are arranged on the outer peripheral wall of the reinforcing yarns, the number of yarns of the moisture-absorbing yarns is higher than that of the reinforcing yarns, a plurality of fixing yarns are spirally wound on the outside of the reinforcing yarns, the fixing yarns abut against the moisture-absorbing yarns on the outer peripheral wall of the reinforcing yarns, a plurality of fine yarns are arranged on the outside of the fixing yarns, a plurality of comfortable yarns are spirally wound on the outside of the fine yarns, and the wrapping density of the comfortable yarns is greater than that of the fixing yarns.
[0007] The utility model is further provided as follows: the inner core is twisted by a plurality of spandex filaments, a gap is formed between part of the moisture-absorbing yarns and the inner core, the number of the reinforcing yarns is between 4 and 5, and a plurality of the reinforcing yarns are arranged in a circumferential array on the outside of the inner core.
[0008] The utility model is further provided as follows: a layer of breathable and moisture-permeable coating is arranged on the outside of the fixing yarns and the moisture-absorbing yarns.
[0009] The utility model is further provided as follows: the twist direction of the comfortable yarns is opposite to that of the fixing yarns.
[0010] The utility model is further provided as follows: the fine yarns are twisted by a plurality of cotton fibers.
[0011] The utility model further sets up: the comfortable yarn is twisted by a plurality of viscose fibre and a plurality of polyamide fibre.
[0012] The utility model further sets up: the fixed yarn is twisted by a plurality of polyamide fibre.
[0013] In conclusion, the utility model has the following beneficial effects: the inner core and the plurality of reinforcing yarns are as the core yarn part of the core-spun yarn, the strength of the core yarn as a whole is improved through the multi-strand structure, the speed of yarn breakage is slowed down, the moisture absorption and loftiness of the reinforcing yarn are improved by the moisture absorption yarn arranged on the outer peripheral wall of the reinforcing yarn, the comfort of the yarn is improved, the connecting strength between the fixed yarn and the inner core is improved by the fixed yarn spirally wound outside the reinforcing yarn, the fixed effect is achieved, the comfortable yarn and the fixed yarn with opposite twist directions can be locked with each other in the interweaving process, the tear strength and wear resistance of the yarn are improved, the slippage and pilling of the yarn can be reduced to a certain extent, and the yarn is more durable. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the structural schematic diagram of the utility model;
[0015] Figure 2 It is Figure 1 the sectional view;
[0016] Figure 3 It is the structural schematic diagram of the inner core, the reinforcing yarn, the moisture absorption yarn and the fixed yarn.
[0017] In the drawing: 1, inner core; 2, reinforcing yarn; 201, moisture absorption yarn; 3, fixed yarn; 4, air-permeable and moisture-permeable coating; 6, fine yarn; 7, comfortable yarn. DETAILED DESCRIPTION
[0018] The utility model will be described in detail in combination with the drawings and examples.
[0019] A kind of composite core-spun yarn, such as Figure 1 、 Figure 2 and Figure 3As shown, including the inner core 1, the outer wall of the inner core 1 is provided with a plurality of reinforcing yarn 2, the outer wall of the reinforcing yarn 2 is provided with a plurality of moisture absorbing yarn 201, the number of yarn of the moisture absorbing yarn 201 is higher than the number of yarn of the reinforcing yarn 2, the outer side of the plurality of reinforcing yarn 2 is spirally wound with a fixing yarn 3, the fixing yarn 3 is in contact with the moisture absorbing yarn 201 on the outer wall of the reinforcing yarn 2, the outer side of the fixing yarn 3 is provided with a plurality of fine yarn 6, the outer side of the plurality of comfort yarn 7 spirally wound with a plurality of comfort yarn 7, the wrapping density of the comfort yarn 7 is greater than the wrapping density of the fixing yarn 3, the plurality of reinforcing yarn 2 in the outer layer of the inner core 1 in the circumferential array can improve the strength of the whole inner core 1, in fact, the inner core 1 and the plurality of reinforcing yarn 2 are as the core yarn part of the core spun yarn, the strength of the core yarn is improved by the multi-strand structure, the speed of yarn breakage is slowed down, the moisture absorbing yarn 201 on the outer wall of the reinforcing yarn 2 can improve the moisture absorbing property and the bulkiness of the reinforcing yarn 2, the comfort of the yarn is improved, the fixing yarn 3 spirally wound on the outer side of the reinforcing yarn 2 improves the connecting strength between the fixing yarn 3 and the inner core 1, plays a role of fixing, the plurality of fine yarn 6 on the outer side of the fixing yarn 3 can improve the yarn strength of the whole core spun yarn and increase the effect of the thickness of the core spun yarn, a plurality of small pores are formed between the plurality of fine yarn 6 with high number of yarn, the moisture absorbing and ventilating effect of the whole yarn is improved.
[0020] As shown in Figure 1 , Figure 2 and Figure 3 , the reinforcing yarn 2 and the inner core 1 are twisted by a plurality of spandex filaments through a twisting machine, the plurality of moisture absorbing yarn 201 on the outer side of the reinforcing yarn 2 is twisted by a plurality of cotton fibers through a twisting machine, the thickness of the yarn of the moisture absorbing yarn 201 is smaller than the thickness of the yarn of the reinforcing yarn 2, the reinforcing yarn 2 and the plurality of moisture absorbing yarn 201 are fed into a non-twist drawing frame, the tightness between the reinforcing yarn 2 and the moisture absorbing yarn 201 is adjusted by a tension adjusting device, the plurality of moisture absorbing yarn 201 is arranged in the circumferential array on the outer wall of the reinforcing yarn 2, then the reinforcing yarn 2 with the plurality of moisture absorbing yarn 201 and the inner core 1 are fed into the non-twist drawing frame, the tightness between the reinforcing yarn 2 and the inner core 1 is adjusted by a tension adjusting device, preferably, the plurality of reinforcing yarn 2 is arranged in the circumferential array on the outer side of the inner core 1, the number of the reinforcing yarn 2 is between 4 and 5, the setting of the number of the reinforcing yarn 2 can improve the strength of the inner core 1 to a certain extent, when the inner core 1 is subjected to tension, the plurality of reinforcing yarn 2 can absorb part of the tension, reducing the force directly acting on the inner core 1, and the moisture absorbing yarn 201 made of cotton fiber improves the moisture absorbing effect inside the yarn.
[0021] As shown in Figure 1 , Figure 2 and Figure 3As shown, the outer side of the reinforcing yarn 2 is spirally wound with a fixing yarn 3, the fixing yarn 3 is mainly used for fixing the reinforcing yarn 2 and the inner core 1, the fixing yarn 3 is twisted by a plurality of polyamide fibers, the fixing yarn 3 is spirally wound on the outer side of the reinforcing yarn 2 by a spindle spinning machine, the fixing yarn 3 extrudes the moisture-absorbing yarn 201 on the outer side of the reinforcing yarn 2 in the process of winding, so that the surface of the yarn becomes uneven, the coating agent is uniformly coated on the positions of the fixing yarn 3, the reinforcing yarn 2 and the moisture-absorbing yarn 201 exposed to the air by the dipping method, and after solidification treatment, a breathable and moisture-permeable coating 4 is formed on the surfaces of the fixing yarn 3, the reinforcing yarn 2 and the moisture-absorbing yarn 201, the microporous structure in the coating allows gas and water vapor to be transmitted under the action of pressure difference, realizing the functions of breathability and moisture permeability.
[0022] As shown in Figure 1 , Figure 2 and Figure 3 , a fine yarn 6 is arranged on the outer peripheral wall of the breathable and moisture-permeable coating 4, the fine yarn 6 is twisted by a plurality of cotton fibers, a plurality of fine yarns 6 are fed into a non-twist doubling machine, the tightness between the fine yarn 6 and the yarn with the breathable and moisture-permeable coating 4 is adjusted by a tension adjusting device, so that the three are in a relatively tight state, and finally a comfortable yarn 7 is wrapped on the outer peripheral wall of the fine yarn 6, the comfortable yarn 7 is twisted by a plurality of viscose fibers and a plurality of polyamide fibers by a twisting machine, the polyamide fibers have the characteristics of wear resistance and good elasticity, the viscose fibers have the characteristics of softness and comfort, the yarn with the breathable and moisture-permeable coating 4 and the comfortable yarn 7 are fed into a spindle spinning machine, and the comfortable yarn 7 is spirally wound on the outer peripheral wall of the fine yarn 6 by the spindle spinning process, the comfortable yarn 7 fixes the fine yarn 6 in the process of wrapping, reduces the possibility of the fine yarn 6 falling off, and ensures that the composite core-spun yarn has good yarn strength, the comfortable yarn 7 extrudes and wraps the fine yarn 6, preferably, the wrapping density of the comfortable yarn 7 is greater than the wrapping density of the fixing yarn 3, and the twist direction of the comfortable yarn 7 is opposite to the twist direction of the fixing yarn 3, the comfortable yarn 7 and the fixing yarn 3 can be locked with each other in the interweaving process, improve the tear resistance and wear resistance of the yarn, and also can reduce the slippage and pilling of the yarn to some extent, so that the yarn is more durable.
[0023] The preferred embodiments of the present application are described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solutions falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and decorations without departing from the principles of the present application shall also be considered as the protection scope of the present application.
Claims
1. A composite core yarn characterized by: The utility model provides a kind of absorbent yarn, including inner core (1), the outer peripheral wall of the inner core (1) is provided with several reinforcing yarns (2), the outer peripheral wall of the reinforcing yarn (2) is provided with several hygroscopic yarns (201), the yarn count of the hygroscopic yarn (201) is higher than the yarn count of reinforcing yarn (2), several the outer side of the reinforcing yarn (2) is spirally wound with fixed yarn (3), the hygroscopic yarn (201) on the outer peripheral wall of reinforcing yarn (2) is resisted, the outer side of the fixed yarn (3) is provided with several thin yarns (6), the outer side of the thin yarn (6) is spirally wound with several comfort yarns (7), and the wrapping density of the comfort yarn (7) is greater than the wrapping density of fixed yarn (3).
2. A composite core yarn according to claim 1, characterized in that: The inner core (1) is twisted by several spandex filaments, part of the hygroscopic yarn (201) and the inner core (1) form a gap, the number of the reinforcing yarn (2) is between 4-5, and several the reinforcing yarn (2) is arranged in a circular array on the outer side of the inner core (1).
3. A composite core yarn according to claim 2, characterized in that: The fixed yarn (3) and the hygroscopic yarn (201) are provided with a layer of breathable and moisture-permeable coating (4) outside.
4. A composite core yarn according to claim 1, characterized in that: The twist direction of the comfort yarn (7) is opposite to the twist direction of the fixed yarn (3).
5. A composite core yarn according to claim 4, characterised in that: The thin yarn (6) is twisted by several cotton fibers.
6. A composite core yarn according to claim 1, characterized in that: The comfort yarn (7) is twisted by several viscose fibers and several nylon fibers.
7. A composite core yarn according to claim 1, characterized in that: The fixed yarn (3) is twisted by several nylon fibers.