JP6301538B1 - Shoe sole having ventilation holes and shoe equipped with the shoe sole - Google Patents

Abstract

An object of the present invention is to provide a shoe sole and a shoe equipped with the shoe sole, which enhance air permeability by making air inflow and outflow more active, and are rich in mobility and fashionability. SOLUTION: A shoe sole 100 having vent holes 111c1 to 114c1 and 121c1 to 123c1, which is integrally formed, so that the vent holes penetrate both inner and outer side surfaces of the shoe sole 100, respectively. A plurality of pairs are provided near the stepping portion and the heel portion of the shoe sole 100, and the pair of vent holes 111c1 to 114c1, 121c1 to 123c1 provided on the inner side surface and the outer side A shoe sole 100, further comprising vent recesses 111 to 114 and 121 to 123 which are communicated with a vent hole provided on a side surface and which have an open top surface. [Selection] Figure 3

Description

  The present invention relates to a shoe sole having a wide vent hole and a shoe including the shoe sole, and more specifically to a shoe sole having a vent hole and a vent groove and a shoe including the shoe sole.

  Conventionally, many shoe soles and shoes have been proposed in which the inflow and outflow of air is increased to improve air permeability.

  For example, there has been proposed a shoe that does not cause foot spilling and that can appropriately discharge the hot air and odor filled inside the shoe each time it walks (Patent Document 1).

  That is, in Patent Document 1, a hollow portion is provided inside the shoe sole portion, and the hollow portion communicates with the outside through a first series of holes provided in the shoe sole portion. A shoe that does not occur is disclosed.

  There has also been proposed a breathable shoe having improved breathability inside the shoe (Patent Document 2).

  That is, in Patent Document 2, a recess is formed on the upper surface of the shoe sole, and a lateral groove is formed on the bottom surface of the recess. The lateral groove communicates with a vent hole formed on a side surface of the shoe sole, and the recess A block body having elasticity is fitted, and the upper portion of the block body projects upward from the upper surface of the shoe sole, a vertical hole is formed in the block body, and a load is applied to the bottom surface of the recess. A support sheet for preventing the block body from entering the lateral groove when the support body is air permeable, the shoe interior communicates with the lateral groove through the vertical hole and the support sheet, A vent shoe is disclosed in which the vertical hole is deformed when a load is applied to the block body, and air flows in and out between the vent hole and the inside of the shoe.

  Furthermore, a shoe that can circulate the air inside the shoe without impairing the cushioning performance by an integrally formed shoe sole has been proposed (Patent Document 3).

  That is, in Patent Document 3, at least one vent hole is opened on the outer peripheral surface of a shoe sole made of a cushioning material, and the vent hole is connected to a groove formed in the shoe sole. A shoe characterized by forming a constriction at the entrance of the shoe is disclosed.

JP 2000-189206 A JP 2006-320657 A JP 2009-195480 A

  However, conventional vent shoes generally have small vent holes and vent holes, and there is room for improvement in breathability when worn for a long time. In this case, it is desirable not only to simply increase the diameter of the vent hole or the vent hole, but also to make the air inflow / outflow more active by changing the diameter of the vent hole or the vent hole or the shape of the vent path.

  Furthermore, it is more preferable if the shoe sole designed from the above-mentioned viewpoint or a shoe provided with such a shoe sole is rich in motility including cushioning and gives a fashionable impression.

  The present invention is a shoe sole that has at least a vent hole and is integrally formed, wherein the vent hole penetrates both inner and outer side surfaces of the shoe sole, respectively. A plurality of pairs are provided in the vicinity and the vicinity of the buttock, communicated with the pair of vent holes provided in the inner side surface and vent holes provided in the outer side surface, and an upper surface A vent recess that is open is further provided.

  Moreover, the present invention is a shoe comprising the above shoe sole and upper.

  According to the present invention, it is possible to provide a shoe sole and a shoe equipped with the shoe sole that enhance air permeability by making air inflow and outflow more active, and are rich in mobility and fashionability.

It is a top view of the shoe sole (right foot side) concerning one embodiment of the present invention. FIG. 1B is a cross-sectional view taken along the line ABC in which a point B in FIG. 1A is a bent portion. It is the DD sectional view taken on the line in FIG. 1A. It is the EE sectional view taken on the line in FIG. 1A. It is the FF sectional view taken on the line in FIG. 1A. It is the GG sectional view taken on the line in FIG. 1A. It is explanatory drawing explaining the mode of the ventilation hole and ventilation groove which were distribute | arranged to the shoe sole (right foot side) which concerns on one Embodiment of this invention. It is a bottom view of the shoe sole (right foot side) concerning one embodiment of the present invention. It is a right view of the sole (right foot side) concerning one embodiment of the present invention. It is a left view of the shoe sole (right foot side) concerning one embodiment of the present invention. It is an external appearance perspective view explaining the external appearance structure of the shoe sole which concerns on one Embodiment of this invention. It is an appearance perspective view explaining appearance composition of shoes provided with a shoe sole concerning one embodiment of the present invention. It is explanatory drawing explaining the decomposition | disassembly structure of the shoe which concerns on other embodiment of this invention. It is explanatory drawing explaining the mode of the inner side of the shoe which concerns on other embodiment of this invention shown in FIG.

A shoe sole according to the present invention, a structure of a shoe including the shoe sole, and an example thereof will be described with reference to the drawings.
In addition, about the shoe sole which concerns on this invention, and the shoes provided with this shoe sole, it shall be demonstrated about the right foot side for convenience, and since it is the same as that of the right foot side about the left foot side, description is abbreviate | omitted.
In this specification, the sole may be referred to as a sole, and the shoe may be referred to as a shoe.

  An external perspective view showing an external configuration of a shoe sole according to one embodiment of the present invention is as shown in FIG. In addition, FIGS. 1A to 2C show in detail a top view, a cross-sectional view, a side view, a bottom view, and the like of a shoe sole according to an embodiment of the present invention. Hereinafter, first, a shoe sole according to an embodiment of the present invention will be described with reference to FIG. 1A.

FIG. 1A is a top view of a shoe sole according to an embodiment of the present invention. In FIG. 1A, the shoe sole 100 has ventilation recesses 111 to 114 on the stepping portion side of the top surface in the horizontal direction in the drawing. The ventilation recesses 121 to 123 are also formed in the left-right direction in the figure on the flange side of the upper surface.
Although not shown in FIG. 1A, the left and right ends of each of the ventilation recesses 111 to 114 and 121 to 123 communicate with the ventilation holes (the ventilation holes will be described later with reference to FIGS. 1C and 1F). ).
That is, the vent holes provided so as to communicate with the left and right end portions of the vent recesses 111 to 114 and 121 to 123 form a pair.

  Further, in FIG. 1A, a communication groove 130 that communicates in the vertical direction in the drawing is formed in the stepping portion side ventilation recesses 111 to 114. Moreover, the communication groove 130 is connected at the toe portion, and is formed so as to form a U-shape (horse-shoe shape) as a whole.

  In other words, the communication groove 130 starts from the inside of the ventilation recess (114) closest to the arch portion among the plurality of ventilation recesses provided in the stepping portion when viewed from the upper surface of the shoe sole (right foot side) in FIG. 1A. Each of the depressions on the side of the stepping part (113 → 111) is formed so as to intersect with the inner side of each of the depressions, and when the passage passes through the ventilation depression (111) closest to the toe part, it is gently folded back again. It is formed so as to intersect with the ventilation recesses (111 → 113) on the respective outer sides, and ends by connecting with the outside of the ventilation recess (114) closest to the arch portion.

  In one embodiment of the present invention, the ventilation recesses 121 to 123 on the heel side of the shoe sole are not provided with a communication groove for communicating them, but the present invention is not limited to this, and the heel A communication groove similar to the communication groove 130 may also be provided in the ventilation recesses 121 to 123 on the part side.

  FIG. 1B shows a cross-sectional view taken along the line A-B-C with the point B in FIG. 1A as a bent portion. As shown in FIG. B, on the sole upper surface, the groove portion of the communication groove 130, the groove portions of the stepping portion side ventilation recess portions 111 to 114, and the groove portions of the flange portion side ventilation recess portions 121 to 123 are formed. Yes.

  Here, it should be noted that the depth of each groove portion of the stepping portion side ventilation recesses 111 to 114 is formed shallower than the depth of each groove portion of the flange portion side ventilation recesses 121 to 123. Even if the depth of each groove portion of the flange side ventilation recesses 121 to 123 is formed shallower, by separately providing an air passage by the above-described communication groove 130, the inflow and outflow of air is sufficiently activated, It is possible to prevent a decrease in strength and durability caused by forming a plurality of ventilation recesses in the stepping portion.

  FIG. 1C shows a cross-sectional view taken along the line DD in FIG. 1A. In FIG. 3C, the vent recess 111 whose upper surface is released can be confirmed. Furthermore, the vent holes 111c1 and 111c2 can be confirmed at both ends of the vent recess 111. These vents are paired.

  FIG. 1D shows a cross-sectional view taken along line EE in FIG. 1A. In FIG. D, the groove portion of the communication groove 130 can be confirmed on the upper surface of the shoe sole.

  FIG. 1E shows a cross-sectional view taken along line FF in FIG. 1A.

  FIG. 1F shows a cross-sectional view taken along line GG in FIG. 1A. In FIG. F, the ventilation recess 123 whose upper surface is released can be confirmed. Furthermore, the vent holes 123c1 and 123c2 can be confirmed at both ends of the vent recess 123. These vents are paired.

  FIG. 1G shows the state of the ventilation recesses and ventilation grooves and ventilation holes arranged on the shoe sole (right foot side) according to one embodiment of the present invention. In FIG. G (A), ventilation recesses 111 to 114 formed in the left-right direction in the figure can be confirmed around the stepping portion of the shoe sole, and the upper surface is opened (shaded portion). Further, FIG. G (B) shows a state in which a communication groove 130 communicating with the ventilation recesses 111 to 114 in the vertical direction in the drawing is formed (shaded portion).

The shoe sole according to an embodiment of the present invention has a plurality of ventilation recesses in the direction connecting the inner side and the outer side of the shoe sole at least around the stepping part, and ventilation between the outside is provided at both ends of each ventilation recess. The vent holes for performing the above are connected and formed.
With at least such a configuration, it is possible to make air flow more active and to achieve high air permeability.

  Furthermore, in order to maintain the strength of the shoe stepping portion by providing a communication groove 130 that communicates a plurality of ventilation recesses formed in the direction connecting the inside and the outside of the shoe sole around the stepping portion. Even if the grooves of the ventilation recesses are formed relatively shallow, activation of air inflow / outflow is not hindered, and high air permeability can still be realized.

  Further, FIG. 1G (C) shows the relationship between the width (diameter) of the ventilation recess and the ventilation hole. As an example of the ventilation recess, it can be seen that the width W2 at both ends is wider than the width W1 at the center of the ventilation recess 112, as shown in FIG. Let's go. Further, although not shown in FIG. G (C), the width W3 of the vent hole 112c1 (or 112c2) formed at both ends of the shoe sole is formed to be wider than W2.

  As a result, the relationship between the groove cross-sectional area P1 at the center of the vent recess, the groove cross-sectional area P2 at both ends of the vent recess, and the hole area P3 of the vent formed so as to communicate with both ends is also obtained. , P1 <P2 <P3.

  In this way, by forming the groove width of each ventilation recess so as to increase from the center toward both ends, (1) the weight of the foot in the stepping part or the heel part of the shoe sole in the center is actually In addition to securing a sufficient strength by taking a large area, (2) Increased air fluidity due to continuous shoe sole deformation (and cross sections of ventilation recesses and communication grooves) due to foot load during walking There is an effect of letting.

[Example of material and manufacturing method of sole according to one embodiment of the present invention]
The shoe sole according to one embodiment of the present invention is not limited to these, but can be manufactured by integral molding using upper and lower molds (not shown). It will be appreciated that molds for forming such soles can be made using conventional mold techniques). The forming material is not limited to this, but as an example, a urethane resin can be injected and allowed to stand for a predetermined time, so that it can be foamed inside the mold and formed into a predetermined shape.

  Further, the method of injecting the forming material into the mold may be performed with as little pressure as possible from the viewpoint of preventing deformation of the formed product. Alternatively, depending on the material, it can be sufficiently manufactured by a molding method in which pressure injection is performed, such as injection molding.

  In any case, the integrally formed shoe sole has an elastic force, allows an appropriate deformation according to human walking, and has a characteristic of flexibly restoring.

FIG. 2A shows a bottom view of a shoe sole according to an embodiment of the present invention. In FIG. A, vertical grooves such as 151 and 152 and horizontal grooves such as 161 and 162 are formed on the bottom surface portion of the shoe sole 100, and a substantially rectangular region 171 surrounded by these vertical grooves and horizontal grooves. Forms a convex portion that exhibits a gripping force.
Of course, these bottom surface embodiments do not limit the spirit of the present invention.

FIG. 2B shows a right side view of a shoe sole according to an embodiment of the present invention (right side when the shoe sole is viewed from the toe side as a front view. The same applies hereinafter). In FIG. B, air holes 111 c 1 to 114 c 1 and 121 c 1 to 123 c 1 can be confirmed on the right side surface portion of the shoe sole 100. As shown in the figure, the size of the holes 111c1 to 114c1 is narrower than the size of the holes 121c1 to 123c1. As shown in FIG. 1B, the depth of the groove portions of the ventilation recesses 111 to 114 connected to the ventilation holes 111c1 to 114c1 is shallower than the depth of the groove portions of the ventilation recesses 121 to 123. Is influenced by.
However, such structural features also contribute to the beauty of appearance (functional beauty) as shown in FIG. 2B, and the shoe sole according to an embodiment of the present invention and the shoe sole are provided. It also enhances the fashionability of shoes.

  The rectangular area 141c1 is not a hole but a solid part as suggested in FIG. 1A, FIG. 3, and the like. The shoe sole according to the embodiment of the present invention has such a design in order to ensure the strength and durability of the heel portion, but does not affect the gist of the present invention.

  FIG. 2C shows a left side view of a shoe sole according to an embodiment of the present invention. In FIG. C, vent holes 111c2 to 114c2 and 121c2 to 123c2 can be confirmed on the left side surface portion of the shoe sole 100. As shown in the figure, the size of the holes 111c2 to 114c2 is narrower than the size of the holes 121c2 to 123c2. As shown in FIG. 1B, the depth of the groove portions of the ventilation recesses 111 to 114 connected to the ventilation holes 111c2 to 114c2 is shallower than the depth of the groove portion of the ventilation recesses 121 to 123. Is influenced by. These structural features also enhance the fashionability of the shoe sole according to one embodiment of the present invention and the shoe comprising the shoe sole, as also described with reference to FIG. 2B.

  Note that the rectangular area 141c2 is not a hole but a solid part, like the rectangular area 141c1 referred to in FIG. 2B.

In FIG. 3, the external appearance structure of the shoe sole which concerns on one Embodiment of this invention is shown. The member numbers given in the figure respectively correspond to the member numbers for the members explained so far, and all the members given the numbers in the figure have already been explained.
With reference to the figure, the relationship between the members can be understood more clearly.

In FIG. 4, the external appearance structure of the shoe provided with the shoe sole based on one Embodiment of this invention is shown. In the figure, an upper 420 is attached to a shoe sole 410 according to an embodiment of the present invention, which is manufactured according to the purpose described above. Various attachment methods can be used for this attachment method. As an example, a so-called cemented production method in which the sole 410, the breathable middle sole (not shown), and the upper 420 are bonded together with an adhesive without being sewn with a thread. Can be adopted.
As can be seen from the shoe 400 shown in the figure, the shoe sole 410 with sufficient air permeability eliminates the need for a ventilation mechanism in the upper portion or only provides a minimum mesh portion. Therefore, it is possible to provide a shoe having sufficient breathability while maintaining the strength of the upper part (particularly the upper part) sufficiently.
In addition, the specific example of a breathable middle sole is later mentioned with reference to FIGS.

FIG. 5 shows an exploded structure of a shoe according to another embodiment of the present invention. As shown in the figure, a shoe 500 has a mesh-shaped middle sole 520 attached on a shoe 510 according to an embodiment of the present invention, and an upper 530 attached on the top.
The middle sole 520 is not limited to this, but employs polyethylene or EVA (Ethylene-Vinyl Acetate Copolymer) having some strength as a midsole, or other natural or artificial fiber material. be able to.

  As can be seen from the midsole 520 in the figure, a large mesh can be adopted for the structure. When the large mesh structure is adopted, the ventilation performed on the shoe sole 510 is directly performed. Since it passes through the midsole 520 and reaches the upper part, very high ventilation performance is exhibited as a whole shoe.

  FIG. 6 shows an inner state of a shoe according to another embodiment of the present invention shown in FIG. As can be seen from the figure, the vent recess of the shoe sole can be confirmed through the middle sole 520 mounted as having a large mesh structure.

[Possibility of using a shoe sole according to an embodiment of the present invention]
The shoe sole according to an embodiment of the present invention is not limited to these, but for long periods of continuous use in harsh environments such as hospitals such as nurse shoes, outdoor sandals, and amphibious shoes, It is suitable for use in a waterside environment where it is assumed that it gets wet.

[combination]
The constituent features described in this specification (including the claims, abstract, and drawings) can be combined in any combination except those combinations in which these features are mutually exclusive.

[Example of features]
Each of the features described in this specification (including claims, abstract, and drawings) (eg, the ventilation groove is provided to vertically penetrate the ventilation recess, or obliquely penetrates). Can be substituted with alternative features that serve the same purpose, an equivalent purpose, or a similar purpose, unless expressly denied. Thus, unless expressly denied, each feature disclosed is one example only of a generic series of identical or equivalent features.

100, 410, 510 Sole (sole)
111-114 Vent recess (stepping side)
121 to 123 Vent recess (saddle side)
111c1 to 114c1, 111c2 to 114c2 Vent hole (stepping portion side)
121c1 to 123c1, 121c2 to 123c2 Ventilation hole (buttock side)
130 Communication groove 520 Middle sole 420, 530 Upper

Claims (4)

A shoe sole having a vent and integrally molded,
The vent holes are provided so as to form a plurality of pairs near the stepping portion and the heel portion of the shoe sole so as to penetrate both the inner side and the outer side surfaces of the shoe sole, respectively.
A plurality of ventilation recesses that are communicated with the pair of vent holes provided on the inner side surface and vent holes provided on the outer side surface and that are open on the upper surface are further provided ,
Of the plurality of ventilation recesses, P1 is a groove cross-sectional area at the center of the ventilation recess provided near the stepping portion, P2 is an area of a groove cross-section at both ends of the ventilation recess, and the both ends are communicated with each other. When the hole area of the vent hole formed as described above is P3,
P1 <P2 <P3
Which is
A shoe sole, further comprising a communication groove that communicates a plurality of ventilation recesses provided in the vicinity of the stepping portion among the ventilation recesses . The communication Tsumizo the sole according to claim 1, characterized in that forming a U-shape when viewed the sole from the upper surface. Shoes and a have been sole and the upper according to any one of the claims 1-2. The shoe according to claim 3 , wherein a mesh-shaped middle sole is attached between the shoe sole and the upper.