CN113279122B - Weft-knitted fabric with reduced size extension and vamp - Google Patents
Weft-knitted fabric with reduced size extension and vamp Download PDFInfo
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- CN113279122B CN113279122B CN202110487280.3A CN202110487280A CN113279122B CN 113279122 B CN113279122 B CN 113279122B CN 202110487280 A CN202110487280 A CN 202110487280A CN 113279122 B CN113279122 B CN 113279122B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
- D04B1/24—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/04—Outerwear; Protective garments
- D10B2501/043—Footwear
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- Textile Engineering (AREA)
- Knitting Of Fabric (AREA)
Abstract
The invention relates to the technical field of weft knitting and knitting, and discloses a weft knitting and knitting fabric with reduced size extension and a vamp, which comprise a surface layer knitted by a plurality of first yarns and a plurality of second yarns, wherein the first yarns are knitted by knitting X-needle empty Y needles, the second yarns are knitted by knitting W-needle empty Z needles, X, W and Z are positive integers, Y is zero or a positive integer, and Y is not more than 18; the sum of the woven hollow needles Y is not more than the sum of the woven hollow needles Z; the second yarn is a low-elasticity woven material with the crimp shrinkage rate of below 20%, and at least one part of the vamp is made of the weft-knitted fabric. The weft-knitted fabric has the beneficial effects that the size extension of the weft-knitted fabric is effectively smaller, the hot melt is not needed, the hand feeling is better, when the weft-knitted fabric is used on a slope, more protection can be provided for feet, and the shoes are more durable.
Description
Technical Field
The invention relates to the technical field of weft knitting, in particular to a weft knitting knitted fabric with reduced size extension and a vamp.
Background
One or more yarns are fed onto a working needle of a knitting machine from the weft direction, the yarns are sequentially bent into loops and are stringed and sleeved to form the weft-knitted fabric, when the weft direction of the weft-knitted fabric is subjected to tensile force, the loops are stretched, the tensile force is removed, and the loops return to the original shape, so that the weft-knitted fabric has good transverse extension, and because weaving gaps exist between the knitted loops and the loops, the weft-knitted fabric has good air permeability and is also applied to shoe materials to serve as vamp fabrics in recent years.
The problem that the transverse over-extension of a weft-knitted vamp is always relatively troublesome in the industry is solved by adding a hot melt, and the hot melt is melted through high-temperature activation and shaping, so that adjacent yarns are adhered to limit the deformation of coils and reduce the extension of the vamp, but the addition of the hot melt can greatly reduce the stress retraction performance of the vamp, reduce the hand feeling softness and reduce the wearing comfort level.
Disclosure of Invention
In order to solve the technical problem, the invention provides a weft-knitted fabric with reduced size extension, which is added with some elements of low-elasticity yarn knitting at intervals of needles, so that various knitting tissues become tighter, and the effect of reducing the size extension of the knitted fabric is achieved. The small size extension knitted upper provides more protection to the foot during athletic activities, and the shoe is more durable, yet another new form of knitting that uses a thermal fuse to address the size extension problem.
A weft-knitted fabric with reduced size extension comprises a surface layer knitted by a plurality of first yarns and a plurality of second yarns in an alternating manner, wherein the first yarns are knitted by knitting X-needle empty Y needles, the second yarns are knitted by knitting W-needle empty Z needles, X, W and Z are positive integers, Y is zero or a positive integer, and Y is not more than 18; the sum of the woven hollow needles Y is not more than the sum of the woven hollow needles Z; the second yarn is a low-elasticity woven material having a crimp contraction rate of 20% or less.
Furthermore, the weft-knitted fabric also comprises a bottom layer which is knitted by a plurality of third yarns and a plurality of second yarns in a bottom-crossed manner, the third yarns are knitted by knitting X ' needles, W ' needles and Y ' needles, the second yarns are knitted by knitting W ' needles, Z ' needles and Z ' needles, X ', W ' and Z ' are positive integers, Y ' is zero or a positive integer, and Y ' is not more than 18; the sum of the empty needles Y 'is not greater than the sum of the empty needles Z'.
Furthermore, the weft-knitted fabric comprises a connecting layer which is formed by weaving a plurality of fourth yarns and is used for connecting the surface layer and the bottom layer.
Furthermore, the weaving structure of the connecting layer comprises one or more of a surface mesh weaving, a bottom mesh weaving and a four-plane weaving.
Further, the empty needles Y of the first yarn are zero, and the first yarn is knitted with full needles; and the second yarn is used for knitting a needle-empty three-needle separating knitting.
Further, the empty needles Y' of the third yarn are zero, and the third yarn is knitted with full needles.
Further, the first yarn is knitted by three needles and every other needle; and the second yarn is knitted by a needle separating method for knitting a needle empty three-needle.
Further, the empty needles Y' of the third yarn are zero, and the third yarn is knitted with full needles.
Furthermore, the weaving structure of the connecting layer is formed by alternately weaving a surface mesh weave and a bottom mesh weave.
Further, the surface layer is knitted only by the first yarns, the bottom layer is formed by alternately knitting the second yarns and the third yarns, and the number ratio of the second yarns to the third yarns of the smallest knitting unit is 1.
An upper comprising an upper toe cap, an upper and a heel, and at least a portion of the upper being a weft knitted fabric of reduced size extension as described above.
Further, the weft-knitted fabric of the toe cap comprises a surface layer knitted by first yarns, a bottom layer knitted by second yarns and third yarns alternately, and a connecting layer knitted by fourth yarns, wherein the first yarns and the third yarns are knitted by full needles, the second yarns are knitted by 3 needles at intervals of 1 needle, the second yarns and the third yarns are knitted alternately by 1; the second yarn is a low-elasticity woven material having a crimp contraction rate of 20% or less.
Further, the weft-knitted fabric of the upper comprises a surface layer knitted by first yarns, a bottom layer knitted by second yarns and third yarns alternately, and a connecting layer knitted by fourth yarns, wherein the first yarns and the third yarns are knitted by full needles, the second yarns are knitted by 1-needle-by-1-needle knitting, the second yarns and the third yarns are knitted alternately by 1, and the knitting structure of the connecting layer is formed by alternately knitting a surface stitch knitting and a bottom stitch knitting; the second yarn is a low-elasticity woven material having a crimp contraction rate of 20% or less.
Further, the weft-knitted fabric of the heel comprises a surface layer knitted by first yarns, a bottom layer knitted by second yarns and third yarns alternately, and a connecting layer knitted by fourth yarns, wherein the first yarns and the third yarns are knitted by full needles, the second yarns are knitted by 1 needle every 3 needles, the second yarns and the third yarns are knitted alternately by 1, and the knitting structure of the connecting layer is formed by alternately knitting a surface-hung mesh knitting and a bottom-hung mesh knitting; the second yarn is a low-elasticity woven material having a crimp contraction rate of 20% or less.
Compared with the prior art, the invention has the following beneficial effects:
1, by adding a plurality of spaced needles to weave the low-elasticity yarns, on one hand, the number of loops in the weaving rows of the weft-knitted fabric is reduced, and on the other hand, various knitting tissues are compact, so that the effect of reducing the size extension of the knitted fabric is achieved.
2, the vamp is made of the weft-knitted fabric, so that the knitted vamp with small size extension can provide more protection for the foot in the process of movement, and the shoe is more durable;
3 the invention can solve the problem of size extension without adopting a hot melt, has relatively soft hand feeling and higher comfort, and is a novel weaving mode.
Drawings
FIG. 1 is a schematic structural view of a weft-knitted fabric according to example 1 of the present invention;
FIG. 2 is a schematic cross-sectional view of a weft knitted fabric according to example 1 of the embodiment of the invention;
FIG. 3 is a schematic view of a weave structure according to an embodiment 1 of the present invention;
figure 4 is a schematic representation of a structure of an upper according to an embodiment of the present invention.
The shoe comprises a first yarn 1, a second yarn 2, a third yarn 3, a fourth yarn 4, a surface layer 5, a bottom layer 6, a connecting layer 7, a toe cap 8, an upper 9 and a heel 10.
Detailed Description
The invention will be further explained below with reference to the drawings and examples.
As a first aspect of the present invention, a weft knitted fabric of reduced dimensional extension is presented.
Implementation mode one
This embodiment provides a multilayer weft knitted fabric that is greater than two layers.
A reduced-size-extension weft-knitted fabric comprising:
the surface layer 5 is formed by weaving a plurality of first yarns 1 and a plurality of second yarns 2 alternately, the first yarns 1 are used for weaving X-needle empty Y needles, the second yarns 2 are used for weaving W-needle empty Z needles, X, W and Z are positive integers, Y is zero or a positive integer, and Y is not more than 18; the sum of the woven hollow needles Y is not more than the sum of the hollow needles Z; the second yarn 2 is a low-elasticity woven material having a crimp contraction rate of 20% or less.
A bottom layer 6 knitted by a plurality of third yarns 3 and a plurality of second yarns 2 in a bottom-crossing manner, wherein the third yarns 3 are knitted by knitting X ' needles and Y ' needles, the second yarns 2 are knitted by knitting W ' needles and Z ' needles, X ', W ' and Z ' are positive integers, Y ' is zero or a positive integer, and Y ' is not more than 18; the sum of the empty needles Y 'is not greater than the sum of the empty needles Z'.
The fourth yarns 4 are woven to connect the connecting layer 7 of the surface layer 5 and the bottom layer 6, and the weaving structure of the connecting layer 7 comprises one or more of connecting weaving structures such as surface hanging mesh weaving, bottom hanging mesh weaving, four-plain weaving and the like.
Example 1
As shown in fig. 1 and 2, a reduced-size-extended weft knitted fabric includes:
the surface layer 5 is knitted by a plurality of first yarns 1 in a full stitch manner, and the number of the second yarns in the surface layer 5 is 0;
a bottom layer 6 formed by alternately knitting a plurality of third yarns 3 and second yarns 2, wherein the third yarns 3 in the bottom layer 6 are knitted in full stitches, the second yarns 2 are knitted in alternate stitches by knitting one stitch and by three stitches, and the number of the third yarns 3 and the second yarns 2 is 1;
and a plurality of fourth yarns 4 are used as connecting layers formed by alternately weaving a surface hanging mesh weave and a bottom hanging mesh weave.
The weft-knitted fabric of the embodiment is of a three-layer air layer structure and has a good three-dimensional effect, and the bottom surface 6 can effectively reduce weft extension of the second yarns 2 knitted by the partition needles through arrangement, so that the fabric has better dimensional stability after being stressed.
The weaving pattern is shown in fig. 3: the yarns A are polyester high-elasticity yarns, the yarns B are transparent monofilaments, the yarns C are polyester low-elasticity yarns, and the military area shrinkage rate is below 20%.
The 1 st weaving line is surface weaving by yarn A;
the 2 nd weaving line is that the B yarn is alternately woven by a surface mesh-hanging weaving and a bottom mesh-hanging weaving;
the 3 rd weaving line is formed by alternately weaving the B yarn with a surface mesh and a bottom mesh, and the weaving needle position is opposite to that of the 2 nd weaving line. In the embodiment, the mesh hanging weaving is a connecting weave, so that the fabric has the effect of a sandwich fabric;
the 4 th weaving line is that A yarn is used for bottom weaving;
the 5 th weaving row is that C yarn is used for weaving a needle-separating needle bottom of a hollow three-needle, and the C yarn and the needle-separating weaving are main factors for reducing the longitudinal extension in the embodiment;
the 6 th weaving line is surface weaving by yarn A;
the 7 th weaving line is that the B yarn is alternately woven by surface mesh weaving and bottom mesh weaving;
the 8 th weaving line is formed by alternately weaving the B yarn with a surface mesh and a bottom mesh, and the weaving needle position is opposite to that of the 7 th weaving line;
the 9 th weaving line is bottom weaving by using A yarn;
the 10 th weaving line is formed by weaving C yarns as the needle separating bottom of a needle-empty three-needle, the weaving position is staggered with the needle separating weaving position of the 5 th weaving line by two needle positions, and the staggered weaving has the function of ensuring the smoothness of the fabric surface;
the 1 st to 10 th weave-lines are a minimum circulation unit. The 11 th to 20 th weaving rows are the 1 st to 10 th weaving rows.
The fabric is woven and needs to be subjected to high-temperature treatment. For the fabric without the thermal fuse, the high-temperature treatment is to ensure that the fabric is heated and fully contracted to achieve a proper fabric effect; for the fabric using the thermal fuse, the thermal fuse needs to be melted and bonded in the fabric through high-temperature treatment, so that a proper fabric effect is achieved.
Example 2
This example is an extended example of example 1, and is different from example 1 in that the second yarn is disposed at a different position, specifically as follows: a reduced-size-extension weft-knitted fabric comprising:
the fabric comprises a surface layer 5 woven by a plurality of first yarns 1 and second yarns 2 alternately, wherein the first yarns 1 in the surface layer 5 are knitted in full stitches, the second yarns 2 are knitted in alternate stitches by knitting one stitch and by three stitches, the number of the first yarns 1 and the second yarns 2 is 1;
a bottom layer 6 knitted by a plurality of third yarns 1 in full stitches, wherein the number of knitted second yarns in the bottom layer 6 is 0;
and a plurality of fourth yarns 4 are used as connecting layers formed by alternately weaving a surface hanging mesh and a bottom hanging mesh.
The weft-knitted fabric of the embodiment is of a three-layer air layer structure and has a good three-dimensional effect, and the surface layer 5 can effectively reduce the weft extension of the fabric by arranging the second yarns 2 knitted by the spacing needles, so that the dimensional stability of the fabric after being stressed is better.
Example 3
As another extended example of example 1, the present embodiment is different from example 1 in that the knitting manner of the first yarn 1 or the third yarn 3 is different, specifically:
a reduced-size-extension weft-knitted fabric comprising:
the surface layer 5 is knitted by a plurality of first yarns 1 in a full stitch manner, and the number of the second yarns in the surface layer 5 is 0;
a bottom layer 6 formed by alternately knitting a plurality of third yarns 3 and second yarns 2, wherein the third yarns 3 in the bottom layer 6 are knitted by knitting a needle and an empty needle, the second yarns 2 are knitted by knitting a needle and a needle by three needles, and the number of the third yarns 3 and the second yarns 2 is 1;
and a plurality of fourth yarns 4 are used as connecting layers formed by alternately weaving a surface hanging mesh and a bottom hanging mesh.
The weft-knitted fabric of the embodiment is of a three-layer air layer structure and has a good three-dimensional effect, the bottom surface 6 is knitted by arranging the second yarns 2 knitted by the spacing needles, and the third yarns 3 for knitting the bottom layer 6 are also knitted by the spacing needles, so that the weft extension of the fabric can be effectively reduced, and the dimensional stability of the fabric after being stressed is better.
Or alternatively
A reduced-size-extension weft-knitted fabric comprising:
a plurality of first yarns 1 are knitted by a needle separating method of knitting a needle empty needle to obtain a surface layer 5, and the number of the second yarns in the surface layer 5 is 0;
a bottom layer 6 formed by alternately knitting a plurality of third yarns 3 and second yarns 2, wherein the third yarns 3 in the bottom layer 6 are knitted by knitting a needle and an empty needle, the second yarns 2 are knitted by knitting a needle and a needle by three needles, and the number of the third yarns 3 and the second yarns 2 is 1;
and a plurality of fourth yarns 4 are used as connecting layers formed by alternately weaving a surface hanging mesh weave and a bottom hanging mesh weave.
The weft-knitted fabric of the embodiment is of a three-layer air layer structure and has a good three-dimensional effect, the second yarns 2 knitted by the spaced needles are arranged on the bottom surface 6, and the first yarns 1 of the knitted surface layer 5 are also knitted by the spaced needles, so that the weft extension of the fabric can be effectively reduced, and the dimensional stability of the fabric after being stressed is better.
In the above embodiment, the types of the first yarn 1 and the third yarn 3 are not limited, and may be high elastic yarn, low elastic yarn, chemical fiber yarn, natural fiber yarn or any other knitting yarn, and the first yarn 1 refers to a yarn that is different from the second yarn 2 and is applied to the knitting surface layer 5, and the third yarn 3 refers to a yarn that is different from the second yarn 2 and is applied to the knitting bottom layer 6, and may be the same type of yarn or different types of yarns, and may be set according to the set knitting process.
Second embodiment
The embodiment provides a single-layer weft-knitted fabric.
A reduced size extension weft knitted fabric comprising: the surface layer 5 is formed by weaving a plurality of first yarns 1 and a plurality of second yarns 2 alternately, the first yarns 1 are used for weaving X-needle empty Y needles, the second yarns 2 are used for weaving W-needle empty Z needles, X, W and Z are positive integers, Y is zero or a positive integer, and Y is not more than 18; the sum of the woven hollow needles Y is not more than the sum of the woven hollow needles Z; the second yarn 2 is a low-elasticity woven material having a crimp contraction rate of 20% or less.
Example 1
The fabric comprises a surface layer 5 woven by a plurality of first yarns 1 and second yarns 2 alternately, wherein the first yarns 1 in the surface layer 5 are woven in a full needle mode, the second yarns 2 are woven in a needle-separating mode with three needles separated by one needle, the number of the first yarns 1 and the second yarns 2 is 1.
Example 2
The present embodiment is different from embodiment 1 in that: the face layer 5 is woven in a different manner.
Several first yarns 1 and second yarn 2 weave surface course 5 in turn, and first yarn 1 in this surface course 5 is for weaving a needle and empty the needle that separates of a needle and weave, and second yarn 2 is for weaving a needle and separate the needle of three needles and weave, and the first yarn 1 with the second yarn 2 alternate the number 1, 1 first yarn of 1 second yarn promptly, and the two alternately circulates and weaves.
In the above embodiments, the yarn type of the first yarn 1 is not limited, and may be a high elastic yarn, a low elastic yarn, a chemical fiber yarn, a natural fiber yarn or any other knitting yarn, and the first yarn 1 refers to a yarn that is different from the second yarn 2 and is applied to the knitting surface layer 5, and may be the same type of yarn or different types of yarns, which may be set according to the set knitting process.
Third embodiment
The embodiment provides a double-layer weft-knitted fabric.
A reduced-size-extension weft-knitted fabric comprising:
the surface layer 5 is formed by weaving a plurality of first yarns 1 and a plurality of second yarns 2 alternately, the first yarns 1 are used for weaving X-needle empty Y needles, the second yarns 2 are used for weaving W-needle empty Z needles, X, W and Z are positive integers, Y is zero or a positive integer, and Y is not more than 18; the sum of the woven hollow needles Y is not more than the sum of the woven hollow needles Z; the second yarn 2 is a low-elasticity woven material having a crimp contraction rate of 20% or less.
A bottom layer 6 knitted by interweaving a plurality of third yarns 3 and a plurality of second yarns 2, wherein the third yarns 3 are knitted by knitting X ' needles, and the second yarns 2 are knitted by knitting W ' needles, and Z ' are positive integers, Y ' is zero or a positive integer, and Y ' is not more than 18; the sum of the empty needles Y 'is not greater than the sum of the empty needles Z'.
Example 1
A reduced-size-extension weft-knitted fabric comprising:
a surface layer 5 knitted by a plurality of first yarns 1 in a full needle manner, wherein the number of knitted second yarns in the surface layer 5 is 0;
a bottom layer 6 alternately knitted by a plurality of third yarns 3 and second yarns 2, wherein the third yarns 3 in the bottom layer 6 are knitted by knitting needles separated by empty needles, the second yarns 2 are knitted by knitting needles separated by three needles, and the number of the third yarns 3 and the second yarns 2 is 1.
In the above embodiment, the larger the number of empty needles in the knitting structure of the second yarn 2, the smaller the number of loops of the second yarn 2 in the weft direction of the weft-knitted fabric, and the smaller the weft direction extension of the weft-knitted fabric, so that the number of empty needles in the knitting of the second yarn 2 in the weft direction can be set according to the above rule, but in order to ensure that the upper has a certain extensibility and to ensure comprehensive physical indexes such as knitting effect and strength of the upper, generally, the number of continuous empty needles is not more than 18, and it is preferable to knit one empty needle with 1 to 5 needles, and in order to reduce the influence of the elasticity of the second yarn 2 itself on the extensibility of the upper, a low-elasticity knitting material having a crimp rate of 20% or less is preferable for the second yarn 2.
As a second aspect of the present invention, there is also provided an upper, at least a part of which is made of the weft-knitted fabric in the above-mentioned embodiment, as shown in fig. 4, the upper comprises a toe cap 8, an upper 9 and a heel cap 10, wherein the toe cap 8 and the upper 9 are divided into regions where the sole of foot is bent when walking, and because of the different requirements for the lateral extension of the upper, different parts of the upper can be provided with different weft-knitted fabrics as mentioned above.
Example 1
The vamp is all of three-layer air layer structure
The weft knitting fabric of the toe cap 8 comprises a surface layer 5 knitted by first yarns 1, a bottom layer 6 knitted by second yarns 2 and third yarns 3 alternately, and a connecting layer 7 knitted by fourth yarns 4, wherein the first yarns and the third yarns 3 are knitted by full needles, the second yarns 2 are knitted by 3 needles at intervals of 1 needle, the second yarns and the third yarns 3 are knitted by 1 needle alternately, and the knitting structure of the connecting layer 7 is that surface stitch knitting and bottom stitch knitting are alternately knitted; the second yarn 2 is a low-elasticity woven material having a crimp contraction rate of 20% or less.
The weft knitting fabric of the upper 9 comprises a surface layer 5 knitted by a first yarn 1, a bottom layer 6 knitted by a second yarn 2 and a third yarn 3 alternately, and a connecting layer 7 knitted by a fourth yarn 4, wherein the first yarn 1 and the third yarn 3 are knitted by full needles, the second yarn 2 is knitted by 1-needle-by-1-needle knitting, the second yarn and the third yarn 3 are knitted by 1 alternately, and the knitting structure of the connecting layer 7 is alternately knitted by a surface-hanging mesh knitting and a bottom-hanging mesh knitting; the second yarn 2 is a low-elasticity woven material having a crimp contraction rate of 20% or less.
The weft knitting fabric of the heel 10 comprises a surface layer 5 knitted by first yarns 1, a bottom layer 6 knitted by second yarns 2 and third yarns 3 alternately, and a connecting layer 7 knitted by fourth yarns 4, wherein the first yarns 1 and the third yarns 3 are knitted by full needles, the second yarns 2 are knitted by 1-needle-every-3-needle knitting, the second yarns and the third yarns 3 are knitted by 1 alternately, and the knitting structure of the connecting layer 7 is formed by alternately knitting a surface stitch knitting and a bottom stitch knitting; the second yarn 2 is a low-elasticity woven material having a crimp contraction rate of 20% or less.
In this embodiment, the second yarn 2 of the toe cap 8 is a knitted 3-needle hollow 1-needle, which can ensure that the toe cap 8 has better extensibility, so that the toe cap 8 can have stronger coverage to the width of toes, and the toes can not be squeezed in the walking process, so that the toe cap is more comfortable; the number of the empty needles of the second yarns 2 of the upper is 1 needle knitting, and the second yarns 2 are reduced in number relative to the fabric part of the toe cap 8, have transverse extensibility lower than that of the toe cap part and can still have certain extensibility, so that good wrapping performance on feet can be ensured in the walking process, the feet cannot be tightened, and the shoe has comfortableness and safety; the third yarn 2 of the heel 10 is a knit with 1 needle and 3 needles, and has smaller extensibility relative to the parts of the toe cap 8 and the upper 9, so that the heel can be stabilized, the conditions of foot spraining and the like caused by vamp deformation in the walking or running process can be prevented, and the safety of the vamp is further improved.
It should be noted that while the foregoing shows and describes the general principles and features of the present invention and its advantages, it should be apparent to those skilled in the art that it is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms of practicing the invention without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a reduce weft knitting knitted fabric that size extends which characterized in that: the weft knitting fabric is knitted by a flat knitting machine and comprises a surface layer (5) knitted by a plurality of first yarns (1) and a plurality of second yarns (2) alternately, wherein the first yarns (1) are knitted for knitting X-needle empty Y needles, the second yarns (2) are knitted for knitting W-needle empty Z needles, X, W, Y and Z are positive integers, and Y is not more than 18; the sum of the woven hollow needles Y is not more than the sum of the woven hollow needles Z; the second yarn (2) is a low-elasticity woven material with a crimp contraction rate of below 20%;
the weft-knitted fabric further comprises a bottom layer (6) knitted by a plurality of third yarns (3) and a plurality of second yarns (2) in a bottom-crossing manner, the third yarns (3) are knitted by X ' needles and Y ' needles, the second yarns (2) are knitted by W ' needles and Z ' needles, X ', W ' and Z ' are positive integers, Y ' is zero or a positive integer, and Y ' is not more than 18; the sum of the woven hollow needles Y 'is not greater than the sum of the hollow needles Z'.
2. A reduced-size extended weft knitted fabric according to claim 1, characterised in that: the weft-knitted fabric comprises a connecting layer (7) which is formed by weaving and connecting the surface layer (5) and the bottom layer (6) through a plurality of fourth yarns (4).
3. A reduced size extended weft knitted fabric according to claim 2, characterised in that: the weaving structure of the connecting layer (7) comprises one or more of surface mesh weaving, bottom mesh weaving and four-plane weaving.
4. A reduced-size extended weft knitted fabric according to claim 3, characterised in that: the empty needles Y' of the third yarns (3) are zero, and the third yarns (3) are knitted with full needles.
5. A reduced size extension weft knitted fabric according to claim 3, characterised in that: the first yarn (1) is knitted by three needles at intervals; the second yarn (2) is knitted by a needle separating method for knitting a needle empty three-needle.
6. A reduced size extended weft knitted fabric according to claim 4, characterised in that: the weaving structure of the connecting layer (7) is formed by alternately weaving a surface mesh and a bottom mesh.
7. A weft knitted fabric according to claim 4, characterised in that: the surface layer (5) is knitted only by the first yarns (1), the bottom layer (6) is knitted by the second yarns (2) and the third yarns (3) alternately, and the number ratio of the second yarns (2) to the third yarns (3) of the smallest knitting unit is 1.
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| JP4598046B2 (en) * | 2007-11-13 | 2010-12-15 | ミツカワ株式会社 | Three-dimensional double-sided circular knitted fabric |
| PL2770095T3 (en) * | 2013-02-26 | 2015-08-31 | Kings Metal Fiber Tech Co Ltd | Structure of three-dimensional electrically conductive fabric |
| CN105980617B (en) * | 2013-10-14 | 2018-11-13 | 英威达技术有限公司 | Stretchable circular knitting fabric with more elastomeric yarns |
| TW201843364A (en) * | 2017-05-05 | 2018-12-16 | 達紡企業股份有限公司 | Double-sided circular-knitted fabric and system and method for manufacturing the same |
| CN209522984U (en) * | 2018-10-26 | 2019-10-22 | 广东前进牛仔布有限公司 | A kind of knitting fabric |
| CN211311764U (en) * | 2019-08-16 | 2020-08-21 | 佛山市立笙纺织有限公司 | Twill knitted jean fabric |
| CN212000102U (en) * | 2020-03-17 | 2020-11-24 | 江苏省纺织研究所股份有限公司 | High-temperature-resistant elastic skeleton knitted fabric |
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