JP3077462U - insole - Google Patents

Abstract

(57) [Summary] [Problem] It is possible to maintain good cushioning with a feeling of unevenness over a long period of time, extremely good breathability, good shoe comfort, less tired feet, and excellent dryness. Because
Provide an insole that does not cause stuffiness and can be used comfortably and comfortably. SOLUTION: The three-dimensional knitting is configured by warp knitting to form a net structure in which at least one of the front and back sides forms a three-dimensional net structure by front and back base materials 1 and 2 forming a net-like structure and connecting yarns 3 bridged over both base bodies. A gap through which the connecting yarn 3 of the three-dimensional knitted net A is made of a synthetic fiber yarn such as a monofilament yarn so that a portion of the connecting yarn 3 defining the net space S between the front and back bases 1 and 2 can be ventilated. And has an appropriate pressure-resistant elastic force in the thickness direction.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to an insole which is used in a shoe and has excellent elasticity and breathability.

[0002]

[Problems to be solved by conventional technology and device]

 Conventionally, various proposals have been made as insoles for leather shoes, athletic shoes, work shoes and other various shoes. As a general material and structure of the insole, a sponge-like synthetic resin foam such as urethane foam or another synthetic resin foam sheet, or a material having a hygroscopic property or a breathability such as synthetic fiber or vegetable fiber is used. Known are those made of non-woven fabric, and those obtained by attaching a fabric such as a woven or knitted fabric using these as a base material so as to have an effect of absorbing moisture and preventing slip. Also, if necessary, a material containing a deodorant or an antibacterial agent may be used for the purpose of preventing bad odor or preventing propagation of various bacteria, or a large number of small materials may be used for improving air permeability. It is also known to provide holes.

[0003] However, although conventionally used materials have a certain degree of cushioning properties, they are sheet-shaped, have a poor surface unevenness, have a small anti-slip effect, and have absorbed sweat and the like. When pressure is applied in such a state, the cushioning properties decrease over time, and the shoes become more difficult to wear and tire more easily. In addition, since the air permeability is insufficient, it is inferior in drying property, and hardly dries when absorbing sweat or the like, becomes moist, and easily becomes stuffy, which also causes discomfort to the user. Furthermore, it is not easy to wash when soiling occurs, making it unsuitable for long-term use.

The present invention has been made in view of the above circumstances, and as an insole for various shoes, it is possible to maintain a good cushioning property with a concave-convex feeling for a long period of time, and the breathability is extremely good. The insole is comfortable and comfortable to wear and keeps your feet from getting tired and dries easily, so it doesn't cause stuffiness and can be used comfortably and comfortably. Is provided.

[0005]

Means and action for solving the problem

 The insole according to the present invention that solves the above-mentioned problem is constituted by a front and back base material at least one of which forms a net-like structure by warp knitting, and a connecting yarn wrapped around both base bodies, and at least one of the front and back sides has a three-dimensional structure. The connecting yarn of the three-dimensional knitting net is made of a synthetic fiber yarn, and the portion of the connecting yarn defining the net space between the front and back fabrics is formed of a three-dimensional knitting net. It is characterized by having an air-permeable gap and being provided with an appropriate pressure-resistant elastic force in the thickness direction.

According to this insole, it has a sufficient pressure-resistant elastic force in the thickness direction, and can maintain an appropriate cushioning property. In addition, since at least one of the front and back sides has a three-dimensional net structure, when this three-dimensional net surface is used as a surface, the three-dimensional net surface on the surface and the unevenness due to the string portion will be reduced. It gives a moderate stimulus to the soles, improves blood circulation, and has a moderate cushioning property, so that it is less tiring and has a good anti-slip effect, so it can be used comfortably and comfortably.

Further, the three-dimensional knitted net constituting the insole has a much larger gap than a nonwoven fabric or the like due to the net space between the front and back fabrics and the voids of the connecting yarns defining the net space. It has a high retention rate and is excellent in breathability and drying properties.Especially when walking, the three-dimensional knitted net cushions the inner space to provide ventilation, which further accelerates drying and absorbs sweat etc. It dries quickly, preventing stuffiness.

[0008] Furthermore, since it is made of a three-dimensional knitted net having a high void holding ratio, it is lightweight, easy to handle and easy to manufacture, and is quick-drying. Can be used for

Further, as the insole, as in claim 2, the front and back fabrics of the three-dimensional knitted net form a net-like structure formed by stitch-formed string portions, and the front and back strap portions are connected yarns. By the connection, the string portion defining the net space can be formed in a three-dimensional shape having an air-permeable space.

[0010] In this case, regardless of which surface is used, the three-dimensional net structure allows comfortable use while maintaining cushioning with a concave-convex feeling, and also retains air permeability and dryness better. Is done.

[0011] In the above-mentioned insole, wherein the front and back bases are formed by a three-dimensional knitted net having a net-like structure, the cord portions of the front and back bases of the three-dimensional knitted net and the cords formed by the connecting yarns are formed. In the knitting direction, the string portions of the front and back fabrics are shifted from each other on the front and back, and are alternately knotted with the adjacent string portions on both sides, and the knot portions on the front and back are in alternate positions. It is preferable that the connecting thread portions of the portion are alternately inclined left and right.

That is, the portion of the connecting yarn between the front and back substrates in the cord portion is alternately inclined at predetermined intervals in the continuous direction, and the inclination direction is reversed for each adjacent cord portion, so that the whole When a force is applied to the net in the thickness direction, the connecting yarns in the opposite direction stick out and work so as to mutually regulate the falling of the string. The shape and structure of the eye space are stable, the directionality can be suppressed, and the pressure-resistant elasticity in the thickness direction can be more favorably maintained. Such an effect is particularly remarkable when the knot portion between the string portions of one of the front and back substrates is formed substantially at the center of the mesh of the other substrate. It is.

As the three-dimensional knitted net used for the insole, the net structure of the front and back fabrics is formed so that one or both of the shape and the size of the mesh are different. be able to. Also in this case, the directionality of the three-dimensional knitted net can be suppressed to maintain good pressure-resistant elasticity in the thickness direction, and the small side of the mesh can be made to be the surface in contact with the sole according to the user's preference. Thus, it can be used so that it does not give too much unevenness, or it can be used with the large side of the mesh as the surface to give it a sufficient unevenness.

In the above-mentioned insole, the constituent yarns of the front and back fabrics of the three-dimensional knitted net are composed of synthetic multifilament yarns, and the connecting yarns are composed of synthetic monofilament yarns. What is provided is preferred. This stabilizes the shape of the net structure, maintains good elasticity and cushioning properties, is resistant to moisture such as sweat, has excellent durability, and has good drying properties. fast. In particular, the connecting yarn composed of a monofilament yarn can maintain the pressure-resistant elasticity more favorably by increasing the rigidity by heat setting.

[0015] In the insole, it is preferable that a vertical length of the mesh of the front and back fabric of the three-dimensional knitted net is 1 to 15 mm, the thickness is 1 to 10 mm, and the porosity is 50% or more.

That is, when the span is less than 1 mm, almost no unevenness on the surface is obtained, and the void holding ratio and air permeability are inferior. If the span exceeds 15 mm, the net space becomes too large, the contact feeling of the sole is not good, and sufficient pressure-resistant elasticity cannot be obtained. When the thickness is less than 1 mm, the air permeability and cushion are reduced. When the thickness is more than 10 mm, the thickness becomes too large, and it is difficult to use it by laying it in shoes. If the porosity is less than 50%, sufficient air permeability and drying property cannot be obtained. Therefore, from the viewpoint of these effects, it is more preferable that the longitudinal mesh of the front and back base materials is 3 to 10 mm, the thickness is 2 to 7 mm, and the porosity is 70% or more.

[0017]

[Embodiment of the invention]

 Next, an embodiment of the present invention will be described based on an embodiment shown in the drawings.

FIG. 1 is a schematic perspective view of an insole (A) according to one embodiment of the present invention, FIG. 2 is a perspective view of a three-dimensional knitted net used for the insole (A), and FIG. FIG. 4 is an enlarged sectional perspective view of the same part.

The insole (A) of this embodiment has a front and back fabric (1) (2) and a connecting yarn (1) (2) which are laid over both fabrics (1) and (2) by warp knitting. 3) A three-dimensional knitted net (N) having a three-dimensional net structure composed of the following, cut to correspond to a shoe size of a predetermined size, and further, an edge cloth ( F) is attached by sewing means.

In the figure, (4) is a three-dimensional string forming the net space (S) of the three-dimensional knitted net (N), and (11) and (21) are meshes of a net-like structure in the front and back fabrics (1) and (2). (12) A string portion forming (22), and the string portions (11) and (21) are stitch-formed with a width of one or more wales, and the connecting yarn (3 ), The string (4) has a three-dimensional shape.

In the three-dimensional knitted net (A), the connecting yarn (3) is made of a synthetic fiber yarn, particularly a monofilament yarn, whereby the three-dimensional string portion is formed between the front and back fabrics (1) and (2). The part (4), particularly, the portion of the connecting yarn (3) has a space through which air can flow due to the space between the yarns, and has an appropriate pressure-resistant elastic force in the thickness direction.

The string portion (4) is continuous in the knitting direction, and at each required interval in the knitting direction, the string portions (11) and (21) of the front and back fabrics (1) and (2) are respectively connected to the front and back. And are alternately knotted with the adjacent strip portions (11) and (21) on the left and right sides. As a result, the front and back knots (13) and (23) are located at alternate positions, and the portion of the connecting thread (3) between the front and back fabrics (1) and (2) in the cord (4) is moved in the continuous direction. The truss structure is formed as a whole by inclining right and left alternately at predetermined intervals, and inverting the inclination direction for each adjacent cord (4).

Particularly in the case of the embodiment shown in the drawings, the string portion (11) (11) or the knot part (13) or (23) between (21) and (21) of the base (1) or (2) on one of the front and back sides ) Is formed so as to be located substantially at the center of the mesh (22) or (12) of the other substrate (2) or (1), forming a well-balanced truss structure.

The above three-dimensional knitting net (N) is basically formed by a double Raschel machine having two rows of needle beds by warp knitting, and the front and back fabrics (1) and (2) basically form a stitch row continuous in the knitting direction. It is knitted by the resulting chain knitting yarn and insertion yarn, and knotted at required intervals in the knitting direction as described above. This makes it easy to manufacture.

The three-dimensional knitting net (N) used for the insole (A) of the present invention is not limited to the embodiment described above, and for example, as shown in FIG. A three-dimensional net structure in which the sizes and shapes of the meshes (12) and (22) formed by the cord portions (11) and (21) formed by the same mesh row are different on the front and back sides can be obtained. In this case, the feeling of unevenness given to the sole can be changed depending on which of the small side and the large side of the mesh is used as the surface side in contact with the sole.

Further, as shown in FIG. 6, one of the front and back bases (1) and (2), for example, only the front side base (1) has a mesh structure, and the other base (2) has a flat knitting. (1) By connecting (2) with the connecting yarn (3), a three-dimensional knitted net (N) having a three-dimensional net structure formed on one side can also be used. Also in this case, it is possible to maintain cushioning with a feeling of unevenness and good air permeability.

Although not shown, a thin air-permeable cloth or a net cloth may be superimposed on the three-dimensional knitted net (N).

In any case, as the yarn used for the construction of the three-dimensional knitting net (N), the connecting yarn (3) has a moderate elasticity and a good shape retention, and is strong, water resistant, Multifilament yarns and monofilament yarns of nylon yarn, carbon fiber yarn, and other various synthetic fibers that are also excellent in liquid resistance are used.In particular, monofilament yarns are given appropriate rigidity by heat setting after knitting, and It is stable, has a large elastic force, and has an excellent draining effect, and is particularly preferably used. In particular, the thicker the yarn, the stronger the stiffness and the greater the pressure-resistant elasticity. For the constituent yarns of the front and back substrates (1) and (2), for example, chain knitting yarn and insertion yarn, various synthetic fiber yarns and natural fiber yarns can be used. It is strong, has good drying properties, and can be suitably used. The thickness and material of these yarns can be appropriately determined in consideration of the strength and elasticity required for use. Further, for these yarns, a material containing a deodorant or an antibacterial agent can be used, if necessary.

The thickness of the three-dimensional knitted net (N), the sizes of the meshes (12) and (22) of the front and back fabrics (1) and (2), the porosity, and the like are determined according to the type of shoe and the purpose of use. It can be set as appropriate, but in terms of surface roughness, retention of voids and air permeability, elasticity against pressure and retention of cushioning, it is practical to use meshes (12) (22) It is preferable that the vertical span of the net is 1 to 15 mm, the thickness of the net is 1 to 10 mm, and the porosity is 50% or more. In particular, the meshes (12) (22) of the front and back substrates (1) and (2) are preferred. It is more preferable that the length in the vertical direction is 3 to 10 mm, the thickness is 2 to 7 mm, and the porosity is 70% or more.

The insole (A) of the present invention having the above configuration is used by laying it in shoes, but since it is made of a three-dimensional knitted net (N), it is lightweight and easy to handle and has a vertical shape. There is some flexibility in the direction and width dimensions, so it can be used on slightly smaller shoes. In addition, the insole can be formed in a symmetrical shape so that the plane shape of the insole can be used on either the left or right or front and back.

In the state of use, the connecting yarn (3) made of synthetic fiber yarns for connecting the front and back fabrics (1) and (2) because it is made of the three-dimensional knitted net (N). Therefore, when the truss structure has a sufficient pressure-resistant elastic force in the thickness direction, and particularly, as shown in FIGS. 2 and 3, the string portions (4) formed by the connecting yarns (3) are alternately inclined left and right. The shape and structure of the net space (S) are stable, the directionality can be suppressed, and even if pressure is repeatedly applied during walking, the elasticity in the thickness direction and the cushioning property can be maintained without loss.

Moreover, since the three-dimensional knitted net (N) is used, the net space (S) on the surface thereof and the unevenness due to the string portion (4) give a moderate stimulus to the sole, and improve blood circulation. Combined with the above-mentioned cushioning property retention, the tire is hard to be tired and has a good anti-slip effect, so that it can be used comfortably and comfortably.

The three-dimensional knitted net (N) has a net space (S) between the front and back fabrics (1) and (2) and a space between the connecting yarns (3) defining the net space. It has a high void retention rate and is excellent in air permeability and drying properties. Particularly, when walking, the three-dimensional knitting net (N) acts as a cushion to provide ventilation of the internal voids, thereby further speeding up drying. It dries quickly when absorbing sweat and the like, and can prevent stuffiness.

Further, since the net is made of a three-dimensional knitted net having a high void holding ratio and has excellent drying properties, when it becomes dirty, it can be washed with a neutral detergent or the like and can be used cleanly for a long period of time.

[0035]

[Effect of the invention]

 As described above, according to the insole of the present invention, good cushioning with unevenness can be maintained for a long period of time, breathability is extremely good, shoes are comfortable, feet are not tired, and dryness is good. Because it is excellent in heat, it does not cause stuffiness and can be used comfortably and comfortably. Further, washing when soiled can be easily performed.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of an insole according to an embodiment of the present invention.

FIG. 2 is a perspective view of a three-dimensional knitted net used for the insole according to the first embodiment.

FIG. 3 is an enlarged plan view of a part of the net according to the first embodiment;

FIG. 4 is an enlarged cross-sectional perspective view of a part of the net.

FIG. 5 is a partially schematic perspective view showing another example of the three-dimensional knitted net used for the insole of the present invention.

FIG. 6 is a partially schematic perspective view showing still another example of the three-dimensional knitted net used for the insole according to the present invention.

[Explanation of symbols]

 (A) Insole (F) Edge cloth (N) Three-dimensional knitted net (S) Net space (1) (2) Front and back fabric (3) Connecting thread (4) Three-dimensional cord (11) (21) Front and back cord Strip (12) (22) Front and back mesh (13) (23) Knot

Claims (8)

[Utility model registration claims] (1) By warp knitting, at least one of the front and back bases forming a net-like structure, and a connecting yarn laid over both bases, and a three-dimensional net structure is formed on at least one of the front and back sides. A three-dimensional knitted net, wherein the connecting yarn of the three-dimensional knitted net is made of a synthetic fiber
An insole characterized in that a portion of the connecting yarn that defines a net space between the front and back substrates has a permeable space, and a moderate pressure-resistant elastic force is applied in a thickness direction. 2. The front and back fabric of the three-dimensional knitted net forms a net-like structure by a stitch-formed cord portion, and the front and back cord portions are connected by a connecting thread to define a net space. The insole according to claim 1, wherein the three-dimensional cord portion has a three-dimensional shape having an air-permeable gap. 3. A three-dimensional knitted net, wherein a string portion of the front and back fabric and a cord portion of the connecting yarn are continuous in the knitting direction, and the string portions of the front and back fabric are displaced from each other on the front and back sides and are adjacent on both sides. 3. The insole according to claim 2, wherein the insole is alternately knotted with the ridge portion, the knot portions on the front and back are at alternate positions, and the connecting thread portions of the respective cord portions are alternately inclined left and right. 4. The insole according to claim 3, wherein the knot portion between the string portions of one of the front and back bases is formed substantially at the center of the mesh hole of the other base. 5. The insole according to claim 2, wherein the mesh structure of the front and back fabrics of the three-dimensional knitted net is formed so that either one or both of the mesh shape and size are different. 6. The three-dimensional knitted net comprises a front and back fabric composed of multifilament yarn of synthetic fiber and a connecting yarn composed of monofilament yarn of synthetic fiber, and imparts shape retention and elasticity by heat setting after knitting. The insole according to any one of claims 3 to 5. 7. The insole according to claim 6, wherein the three-dimensional knitted net has a length of 1 to 15 mm, a thickness of 1 to 10 mm, and a porosity of 50% or more in the longitudinal direction of the mesh of the front and back substrates. 8. The insole according to claim 6, wherein the three-dimensional knitted net has a longitudinally extending mesh of the front and back fabrics of 3 to 10 mm, a thickness of 2 to 7 mm, and a porosity of 70% or more.