JPH09266801A - Sole - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sole that enables effective and efficient ventilating of the toe part inside the shoe, prevents the entrance of water, dust, and the like into the shoe, fits the foot well, and is excellent in cushion and design properties. SOLUTION: An air pump chamber 5 provided on the landing side of an outsole toe part 1 a is compressed and restored during walking, so that outside of sucked through an air inlet 7 is force-fed into the shoe, and that the air, moisture, and the like inside the shoe that are sucked in through vents 9 are forced out. The air inlet 7 opens to a shank part 1b, effectively preventing the entrance of water, dust, and the like. Since the distance over which the air is circulated for ventilation of the inside of the shoe is short, forced ventilation can be ensured with the use of the flat, thin air pump chamber 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shoe sole, and more particularly to improvement of a shoe sole having a function of ventilating the inside of the shoe.

[0002]

2. Description of the Related Art Conventionally, as this kind of shoe sole, an outsole (outsole) is used.
It is known that a plurality of vent holes are formed through the front foot portion of the shoe so that moisture is discharged to the outside of the shoe through the vent holes. In addition, an air chamber is formed in the heel portion, and the air chamber, the air inlet / outlet opened on the side surface of the heel portion, and the plurality of vent holes opened on the contact surface side of the front foot part of the front sole are respectively provided with the air flow. It is also known that the vehicle is connected by a road and the outside air is introduced into the inner fingertips of the shoe by the pumping action of the air chamber during walking.

[0003]

However, in the former case, the ventilation is performed by natural ventilation through the ventilation holes.
In other words, it does not force the intake and exhaust, so it is not possible to effectively ventilate, and because many vent holes are penetrated through the front foot part of the outsole, water and dust etc. There was a risk of invasion. On the other hand, in the latter case, it is the forefoot part inside the shoe that needs ventilation, whereas the air inlet / outlet is provided on the heel part, so the outside air taken in from the air inlet / outlet is discharged from the forefoot part and sucked in through the ventilation hole. There is a possibility that the air flow distance for discharging moisture inside the shoes to the outside of the shoes becomes long, the air chamber is small, or the pumping action is weak during walking, the reliable ventilation cannot be performed. In some cases, an air chamber that bulges on the foot contact surface side is provided in order to obtain a reliable pumping action, but in this case, there is a problem in that the wearing comfort deteriorates.

The present invention has been made in view of the above-mentioned conventional circumstances, and the object thereof is to effectively and efficiently ventilate the forefoot portion of a shoe and to supply water and water into the shoe. An object of the present invention is to provide a shoe sole which can reduce intrusion of dust and the like, is comfortable to wear, and has excellent cushioning property and design.

[0005]

In order to achieve the above-mentioned object, the shoe sole of the present invention has an air pump chamber on the ground contact surface side of the forefoot portion of the outsole as in claim 1. In addition to the above, the arch part on the outsole contact surface side is provided with an air inlet / outlet and a ventilation path connecting the air inlet / outlet to the air pump chamber, and the air pump is provided on the foot contact side of the outsole front foot portion. The gist is that a plurality of vent holes communicating with the chamber are opened.

According to the above construction, the air pump chamber provided on the ground contact surface side of the front foot portion is compressed and restored during walking,
The outside air taken in from the air inlet / outlet is the air passage, the air pump room,
Air and moisture inside the shoe that is forcibly supplied into the shoe through the ventilation hole and that is inhaled through the ventilation hole is supplied to the air pump chamber, ventilation path,
Forced discharge to the outside through the air inlet / outlet. Also, since the air inlet / outlet opens in the arch of the outsole contact surface side, it is possible to effectively prevent the ingress of water, dust, etc., compared to the case of opening in the forefoot or heel part on the outsole contact surface side. . In addition, the air pump chamber communicates with the inside of the shoe through a ventilation hole that is opened through the front foot of the outsole, and the air inlet / outlet is provided in the arch of the outsole, so that air, moisture, etc. inside the shoe can be discharged to the outside. The flow distance of the air, and the flow distance for taking in the outside air into the shoe are sufficiently shorter than those of the conventional soles that perform forced ventilation. Therefore, while using a small air pump room, the pump action during walking ensures reliable forced ventilation. Can be done. Moreover, since a small air pump chamber can provide a reliable ventilation function, even if the air pump chamber has a flat and thin shape, the air pump chamber can sufficiently function. It can be installed inside a non-slip member or cushioning material attached to the side, or can be configured by a gap formed between the additional member and the outsole. In either case, the outsole contact surface side Not only does it not swell out, but it does not reduce the comfort of the wearer, and it can also function as an air cushion in the forefoot part of the outsole, and it can be expected to improve the appearance. Therefore, it is possible to effectively and efficiently ventilate the forefoot part of the shoe, to reduce the intrusion of water and dust into the shoe, and to provide a shoe sole that is comfortable to wear and has excellent cushioning properties and design. The above-mentioned problem can be achieved.

A preferred construction of the present invention will be described below. As described in claim 2, a flat and thin cushion material made of an elastic material is attached to the ground contact surface of the forefoot part of the outsole and the cushion material is used. An air pump chamber is formed between the front bottom contact surface and the cushion member is provided with an extension portion reaching the arch portion on the front bottom contact surface side, and an air inlet / outlet opening is formed in the extension portion and the air It is possible to provide a ventilation passage for connecting the entrance and the exit to the air pump chamber, and further to form a plurality of ventilation holes for communicating with the air pump chamber on the foot contact surface of the front foot portion.

The cushion material is an elastic material, for example, the well-known synthetic rubber (S) used in this kind of technical field.
R) SBR (styrene butadiene rubber), NB
R (acrylonitrile butadiene rubber), BR (butadiene rubber), IR (isoprene rubber), etc., or a blend of these with natural rubber, or a blend with a desired synthetic resin material, etc., and molded with a desired adhesive It is conceivable that it will be integrally fixed to the outsole. Further, it is preferable to form a non-slip pattern on the bottom surface (ground contact surface) of the cushion material.

When the air pump chamber is provided inside the cushion material, a concave portion is formed on both or one of the upper surface of the cushion material (joint surface with the front bottom) and / or the ground contact surface of the front bottom, and the inside of the concave portion is filled with air. The pump chamber may be provided on the ground contact surface on the outsole, or may be installed inside the ground contact surface on the outsole.

When the extension portion is formed integrally with the cushion material, when it is provided separately from the cushion material and is joined to the cushion material with an adhesive or the like, it is formed at an appropriate place on the front bottom and joined to the cushion material. There may be cases in which it is allowed to do so. It is preferable that the left and right side edges of the cushion material are provided in the left and right sides by extending in a substantially band shape in plan view.

When the ventilation passage is formed inside the extending portion,
There may be a case where a recess is formed in both or one of the upper surface of the extending portion (joint surface with the front bottom) and / or the ground contact surface of the front bottom, and the inside of the recess serves as an air passage, or the inside of the front bottom is provided. .

The portion of the arch portion on the outsole contact surface side where the extension portion is provided is inclined so that the distance from the ground gradually increases from the front foot portion side toward the heel portion side, and the extension portion extends to the inclined portion. It is preferable to provide the air inlet and outlet on the side of the heel portion where the distance from the ground is gradually increased, since the distance from the air inlet to the ground is increased, and water and dust can be more effectively prevented from entering. When the extension part is provided separately from the outsole, the arch part is provided with a recess into which the extension part fits, and the extension part is mounted in the recess, and the recess is gradually recessed toward the tip. The size is increased, and the air inlet / outlet is provided on the distal end side (the heel side) of the extending portion.

In addition to the above-mentioned recesses, a recess for fitting the cushion material is also provided in the front foot portion on the front bottom ground contact surface side, and if the cushion material is mounted in the recess, the cushion material is provided on the front bottom contact surface side. This is preferable because it is possible to reduce the protrusion size of the extending portion and expect further improvement in comfort, cushioning, and design.

The vent hole has a lower end opening communicating with the air pump chamber, and an upper end opening is opened on the front bottom foot contact surface, and is penetrated through the front bottom foot portion.

Further, as described in claim 3, it is preferable to provide a large number of support columns made of an elastic material in the air pump chamber. In this case, compression and restoration of the air pump chamber during walking can be performed more accurately, forced ventilation can be reliably performed, and further improvement of cushioning properties can be expected. Further, even if water, dust or the like enters from the air inlet / outlet, the prop body is prevented from advancing and reaching the vent hole. It is conceivable that the strut body is provided integrally with the front bottom or the cushion material and arranged in the air pump chamber, or that the column body provided separately from the front bottom and the cushion material is loaded into the air pump chamber. Examples of the shape of the pillar body include various pillar shapes such as a cylinder and a prism, a wall shape, a plate shape, a linear shape in a plan view, a curved shape, and a bent shape.
Further, it is also possible to configure the above-mentioned respective shapes individually or in combination.

Further, as described in claim 4, it is preferable that the air inlet / outlet is provided adjacent to the outsole heel portion. In this case, since the air inlet / outlet is covered by the heel portion, it is possible to more reliably prevent the ingress of water, dust, etc., and the air passage becomes longer. To prevent reaching the air pump chamber.

[0017]

FIG. 1 is a block diagram showing an embodiment of the present invention.
This will be described with reference to FIGS. The shoe sole A shown in the figure is an EV
A, urethane, synthetic rubber, natural rubber, etc., which are generally used in this kind of field, integrally molded,
Alternatively, a front sole (main bottom) 1 in which a heel portion 1d formed separately is joined with an adhesive or the like, a spacer 2 to be laid on the foot contact side of the front bottom 1, and a spacer 2 to be laid on the spacer 2 A cushion material 4 made of an elastic material is attached to the ground contact surface of the front foot 1a, and an air pump chamber 5 is formed between the cushion material 4 and the front bottom 1 to form a cushion. Material 4
Is provided with an extension 6 reaching the arch 1b on the ground contact surface side of the outsole 1, and an air inlet / outlet 7 is opened in the extension 6 and a ventilation passage 8 for connecting the air inlet / outlet 7 to the air pump chamber 5 is provided. And the air pump chamber 5 on the foot contact surface of the front foot 1a.
Is formed by opening a plurality of vent holes 9 communicating with the.

The spacer 2 holds a space for ventilation between the outer bottom 1 and the inner bottom 3, and is a tertiary layer formed by three-dimensionally knitting a plurality of types of wire material known in this technical field. Made of original fabric. The insole 3 has a structure in which a base material 3a of an insole made of a material having excellent hygroscopicity and quick-drying property, a shock absorbing member 3b, a nonwoven fabric 3c made of a material having air permeability, and the like are laminated, and a plurality of portions are appropriately provided. A through hole 3d communicating with a ventilation groove 10 described later is opened. Although the insole 3 as described above is shown in this example, it is also possible to use an insole generally used in this kind of field, and in that case, the spacer 2 has a shape corresponding to the front foot portion of the insole. And

The foot contact surface of the outsole 1 is provided with a plurality of rows of ventilation grooves 10 extending vertically from the front foot portion 1a to the rear foot portion 1c and crossing the front foot portion 1a. A large number of ventilation holes 9 penetrating the front foot portion 1a and communicating with the air pump chamber 5 are opened at appropriate intervals at the bottom of the ventilation groove 10 provided in the front foot portion 1a.
A plurality of holes 11 communicating with the ventilation groove 10 are formed in the foot contact surface of the heel portion 1d.

A recess 12 into which the cushion material 4 is fitted is formed on the ground contact surface side of the front sole 1a, and the cushion material 4 is mounted in the recess 12. Further, in the recess 12, a waterproof sheet 13 having air permeability is adhered to the front bottom 1 and the lower end opening side of each of the ventilation holes 9 is covered with the waterproof sheet 13, so that it can be used in heavy snowfall areas or during precipitation. Be careful not to let water get inside your shoes. Arch part 1b on the outsole contact surface side
The left and right side edges of the concave portion 12 are extended to positions adjacent to the heel portion 1d, and the concave grooves 14 communicating with the concave portion 12 are provided on the left and right, and the extending portions 6 are mounted in the concave grooves 14. To do.
In this way, the concave portion 12 and the concave groove 14 are provided on the ground contact surface of the front bottom 1 and the cushion member 4 and the extending portion 6 are mounted therein so that the cushion member 4 and the extension member on the ground contact surface side of the front bottom 1 extend. The projecting dimension of the portion 6 can be reduced, which is useful for preventing deterioration in comfort and improving the design and appearance.

A recess 15 is not formed between the left and right recessed grooves 14, but a raised portion 15 is formed while leaving the ground contact surface side of the outsole 1, which is thinner than the forefoot 1a and the heel 1d. Predetermined strength is imparted to the arch portion 1b to maintain the strength of the entire outsole 1 and ensure the pumping action described later.

A non-slip member 16 made of an elastic material such as the above-mentioned synthetic rubber or natural rubber and having a non-slip pattern engraved on the ground surface is stretched on the ground surface of the heel portion 1d.

The cushion member 4 is made of an elastic material, in this example, synthetic rubber, and has a flat shape that can be fitted into the recess 12 and fits in the recess 12 from the ground contact surface of the outsole 1. It is molded with a thickness of a few mm so as to protrude, and an anti-slip pattern (not shown) is engraved on the bottom surface (ground surface) thereof. The extending portion 6 is integrally connected to the cushion material 4 along the left and right side edges thereof.

On the upper surface (joint surface with the front bottom 1) side of the cushion material 4, a concave portion 17 is provided so as to leave a peripheral joint edge 4a and a central pedestal 4b. The cushion material 4 has a concave portion 1 on the front bottom formed by bonding the upper surfaces of the joint edge 4a and the pedestal 4b with an adhesive or the like.
The air pump chamber 5 is formed in the concave portion 17 by being fixed to 2 and being integrated with the front bottom 1, and in this state, the upper opening of the concave portion 17 is covered with the front bottom 1.

An air inlet / outlet 7 is opened at the tip end side in the extending direction of the extending portion 6 connected to the cushion member 4, and the air inlet / outlet 7 is communicated with the air pump chamber 5 in the extending portion 6. Forming a path 8. The ventilation passage 8 is the upper surface of the extension portion 6 (the front bottom 1
And a joint edge 6a formed on both left and right sides of the air passage 8 is fixed to the concave groove 14 on the front bottom with an adhesive or the like, and the extending portion 6 is formed. It is integrated with the outsole 1.

The recessed groove 14 provided in the outsole 1 gradually increases in size toward the heel portion 1d, whereby the tip side of the extending portion 6 is made to sunk into the outsole 1 and the air inlet / outlet port is opened. 7 is positioned higher, and the distance from the ground is increased. Further, the air inlet / outlet 7 is opened adjacent to the heel portion 1d and is covered by the heel portion 1d. As a result of the synergistic effect of increasing the distance from the ground as described above, water, dust, etc. Can be effectively prevented from entering. Further, by opening the air inlet / outlet 7 adjacent to the heel portion 1d, the ventilation passage 8 becomes longer, and even if water, dust, or the like enters from the air inlet / outlet 7, it cannot immediately reach the air pump chamber 5. Has become.

A partition wall (not shown), a column, or the like is provided in the central portion of the air passage 8 in the width direction so as to prevent the extension portion 6 from being compressed during walking so that the air passage 8 is not pressed. 7
The communication state between the air pump chamber 5 and the air pump chamber 5 is always maintained.

A large number of pillars made of an elastic material such as synthetic rubber, natural rubber, or a desired synthetic resin material are provided in the air pump chamber 5 so that the air pump chamber 5 can be compressed and restored more easily when walking. Make sure it is done properly. The strut body of this example includes a large number of strut 18 and baffle plate 19 integrally formed with the cushion material 4.

The support columns 18 are of a substantially columnar shape and are provided so as to project from the bottom wall of the recess 17 of the cushion member 4 to the ground contact surface of the front bottom 1. The support columns 18 are arranged in a staggered manner in the air pump chamber 5. The baffle plate 19 is formed at a space between the columns 18 adjacent to each other along the width direction of the cushion material 4 (width direction of the front bottom 1). The baffle plate 19 is a large number of wall bodies protruding from the bottom wall of the concave portion 17 of the cushion material 4 to the ground contact surface of the front bottom 1, and is formed between the columns 18 adjacent to each other along the width direction of the cushion material 4. Then, the air pump room 5
Arrange them in a staggered pattern. Further, a gap is maintained between the brace 19 and the column 18 adjacent to each other along the width direction of the cushion material 4. As a result, in the air pump chamber 5, the staggered distribution gaps s1,
Even if water, dust, or the like enters the air pump chamber 5 by partitioning the s2, the large number of columns 18 and baffles 19
Has a structure that inhibits its progress.

Further, in this example, each of the columns 18 and the baffle 1
The arrangement intervals c1 and c2 of 9 are made dense in the portion close to the air passage 8 and coarse in the portion far from the air passage 8 to form a narrow flow gap s1 in the portion close to the air passage 8 to prevent water and dust. It is designed so that the progress of the above is prevented at a portion near the ventilation passage 8 and does not reach the ventilation hole 9.

Further, in the present embodiment, the baffle plate 19 is formed by being curved in a substantially arc shape in plan view, so that the air pump chamber 5 can be formed.
Water, dust and the like that have entered the inside are accumulated in the curved portion to hinder the progress thereof, and the partition walls 19 arranged in the width direction of the cushion material 4 are arranged so that the curved directions thereof are the same in each row. The configuration of s1 and s2 is made more complicated,
It is configured to more effectively prevent the progress of water and dust.

As described above, the support 18 and the baffle 1
By constructing the pillar body by combining 9 and arranging the arc-shaped baffle plate 19 as described above, each of the brace 18 and the baffle plate 19 is restored after being deformed in an appropriate direction during walking, so that the cushion is formed. The material 4 is compressed and restored substantially uniformly over the entire area of the air pump chamber 5, and it is possible to evenly inhale and exhaust the vent holes 9 that are opened, thereby ventilating the inside of the shoe more efficiently. You will be able to. In addition, cushioning and comfort can be expected to improve.

According to the shoe sole of this example having the above-mentioned structure,
As the cushion material 4, the pillar 18 and the baffle plate 19 are pressed and deformed and restored by the outsole 1 during walking, the air pump chamber 5 compresses and restores to exert a pumping action, and is sucked from the air inlet / outlet 7. The outside air forcibly supplied into the shoe through the ventilation hole 9, the ventilation groove 10, the spacer 2, the through hole 3d of the insole 3, and the non-woven fabric 3c, and the air and moisture in the shoe sucked from the ventilation hole 9 The air can be forcibly discharged to the outside through the air inlet / outlet 7, and the inside of the shoe can be effectively ventilated.

Further, the air inlet / outlet 7 is opened to the arch 1b on the ground contact surface side of the outsole, and the tip of the extending portion 6 is made to sink into the outsole 1 to increase the distance between the air inlet / outlet 7 and the ground. Since the air inlet / outlet 7 is opened adjacent to the heel portion 1d and is covered by the heel portion 1d, it is possible to very effectively prevent intrusion of water, dust, and the like.

Further, the column 18 provided in the air pump chamber 5
By the baffle plate 19 and the air baffle plate 19, the air pump chamber 5 during walking
The compression and decompression can be performed more accurately, and the above-mentioned forced ventilation can be performed more reliably. further,
By forming the concave portion 12 and the concave groove 14, the portion extending from the front foot portion 1a to the arch portion 1b of the outsole 1 is made thin to give flexibility to the thin portion, and the raised portion provided at the center of the arch portion 1b. Predetermined rigidity is maintained in the thick portion 15 and the thin portion, that is, the front foot 1a is deformed with walking around the thick portion (raised portion 15) so that the air pump chamber 5 can be accurately moved. By pressing, the pump action will be performed more reliably.

Further, an air pump chamber 5 is provided immediately below the outsole 1a of the outsole and communicated with the inside of the shoe by a vent hole 9 penetratingly opened in the forefoot 1a, and the air inlet / outlet 7 is connected to the forefoot 1a. Since it is provided on the adjacent arch part 1b, the flow distance for exhausting air, moisture, etc. in the shoes and the flow distance for taking in outside air are sufficiently shorter than those of the conventional forced ventilation means, and the outsole front foot part While using the flat and thin air pump chamber 5 attached to the grounding surface of 1a, forced ventilation can be surely performed by the pump action during walking. Therefore, not only is there no fear of reducing the comfort of wear, but the air pump chamber 5 functions as an air cushion, and the cushion material 4 made of an elastic material, the column 18 and the baffle plate 19 are deformed and restored with walking. Due to the synergistic effect of, you can expect a great improvement in comfort and cushioning.

Further, the ventilation passage 8 is lengthened and the pillar 18 is provided.
By configuring the baffle plate 19 and the baffle plate 19 as described above and further covering the lower end opening side of each vent hole 9 with the waterproof sheet 13, even if water, dust, or the like enters from the air inlet / outlet 7, the progress thereof is hindered and the inside of the shoe is prevented. Surely prevent invasion.

[0038]

Since the shoe sole of the present invention is constructed as described above, the pump action of the air pump chamber forcibly takes in the outside air and forcibly discharges the air, moisture and the like in the shoe. Ventilation inside shoes can be performed efficiently. Also,
An air inlet / outlet can be provided in the arch to effectively prevent intrusion of water, dust, and the like. Further, since the air pump chamber is provided below the forefoot to communicate with the inside of the shoe by the vent hole penetrating the forefoot, and the air inlet / outlet is provided in the arch part adjacent to the forefoot, it is possible to ventilate the inside of the shoe. The flow distance of air and humidity can be shortened, and forced ventilation can be reliably performed using a small air pump chamber. Therefore, even if the air pump chamber has a flat and thin shape provided on the ground contact surface of the forefoot, it functions sufficiently, and there is no fear that the comfort will be reduced.
It can also function as an air cushion, and there is no risk of deteriorating the appearance of the shoe. Therefore, it is possible to effectively and efficiently ventilate the forefoot part of the shoe, and to prevent water and dust from entering the shoe, which is comfortable to wear and has excellent cushioning and design. Can be provided.

Further, when a large number of pillars made of an elastic material are formed in the air pump chamber, the pumping action during walking can be performed more accurately, and forced ventilation can be surely performed and cushioning properties can be obtained. Further improvement can be expected. Further, even if water, dust, or the like enters from the air inlet / outlet, there is an advantage that the prop body is prevented from advancing and reaching the vent hole.

Further, when the air inlet / outlet is provided adjacent to the outsole heel portion, the air inlet / outlet is covered with the heel portion to prevent water and dust from entering more reliably, and the ventilation path becomes longer, so should it happen. Even if water, dust or the like enters, there is an advantage that the progress thereof is delayed to prevent reaching to the air pump chamber as much as possible.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view showing an embodiment of a shoe sole according to the present invention.

FIG. 2 is a sectional view taken along line (X)-(X) of FIG.

FIG. 3 is a bottom view of FIG. 2;

FIG. 4 is a bottom view showing a state where a cushion material is removed.

FIG. 5 is a bottom view of the cushion material.

FIG. 6 is a plan view of a cushion material.

7 is an enlarged cross-sectional view taken along the line (Y)-(Y) of FIG.

FIG. 8 is an enlarged cross-sectional view showing a deformed state of the support body during walking.

FIG. 9 is a partially cutaway perspective view of a shoe incorporating the shoe sole of the present invention.

[Explanation of symbols]

 1: Outsole 1a: Forefoot part 1b: Arch part 1d: Heel part 4: Cushion material 5: Air pump chamber 6: Extension part 7: Air inlet / outlet port 8: Vent path 9: Vent hole

Claims (4)

[Claims] 1. An air pump chamber is provided on the ground contact surface side of the outsole forefoot, and an air inlet / outlet and an air passage connecting the air inlet / outlet to the air pump chamber are provided in the arch portion on the outsole contact surface side. The shoe sole is provided with a plurality of vent holes communicating with the air pump chamber on the foot contact surface side of the front foot portion. 2. A flat and thin cushion material made of an elastic material is attached to the ground contact surface of the front foot portion of the front sole, and an air pump chamber is formed between the cushion material and the ground contact surface of the bottom sole. Is provided with an extending portion reaching the arch portion on the ground contact surface side of the outsole, and an air inlet / outlet is opened in the extending portion, and an air passage connecting the air inlet / outlet to the air pump chamber is internally provided. A shoe sole having a plurality of ventilation holes formed on the foot contact surface of the forefoot portion for communicating with the air pump chamber. 3. The shoe sole according to claim 2, wherein a large number of pillars made of an elastic material are formed in the air pump chamber. 4. The shoe sole according to claim 2, wherein the air inlet / outlet is provided adjacent to the heel of the outsole.