JP2925486B2 - Shoe sole - Google Patents

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 an improvement in a shoe sole having a function of ventilating the inside of a shoe.

[0002]

2. Description of the Related Art Conventionally, as a shoe sole of this type, an outsole (outsole) has been used.
Is known in which a plurality of ventilation holes are formed in the forefoot portion through which holes, and the ventilation holes discharge moisture to the outside of the shoe. In addition, an air chamber is formed in the heel portion, and the air chamber, the air inlet / outlet opened in the side surface of the heel portion, and the plurality of ventilation holes opened in the foot contact surface side of the outsole forefoot portion respectively have an air flow. There is also known a device that communicates with a road and introduces outside air to a fingertip portion of a shoe inner by a pumping action of an air chamber during walking.

[0003]

However, in the former case, ventilation is performed by natural ventilation through a ventilation hole.
In other words, it is not a forced air intake / exhaust system, so it is not possible to effectively ventilate it.In addition, water and dust, etc. There is a risk of intrusion. On the other hand, in the case of the latter, ventilation is required for the forefoot in the shoe, whereas the air inlet is provided in the heel, so the outside air taken in from the air inlet is discharged from the forefoot and sucked from the vent. If the air flow distance for discharging the moisture and the like inside the shoe to the outside of the shoe increases, the air chamber may be small, or if the pumping action during walking is weak, there is a possibility that reliable ventilation may not be performed. In order to obtain a reliable pumping action, some air chambers are provided on the foot contact surface side to protrude. However, in this case, there is a problem that the comfort is deteriorated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional circumstances, and an object thereof is to effectively and efficiently ventilate a forefoot in a shoe and to prevent water and water from entering the shoe. It is an object of the present invention to provide a shoe sole which can reduce intrusion of dust and the like, has good comfort, and has excellent cushioning and design.

[0005]

In order to achieve the above-mentioned object, the sole of the present invention has a flat surface made of an elastic material on the ground contact surface of the front foot of the outsole (outsole). Thin
Cushioning material, and a recess is formed on the upper surface of the cushioning material.
And an air pump chamber is formed in the recess.
A large number of struts made of elastic material are provided in the room,
Note that the cushioning material extends to the
An outlet is provided, and an air inlet / outlet is opened in the extension, and
Built-in ventilation path connecting the air inlet and outlet to the air pump room
In addition, the contact surface of the outsole forefoot part is connected to the air pump chamber.
The gist is that a plurality of communicating vents are opened .

According to the above construction, the air pump chamber formed on the ground contact surface side of the outsole forefoot part is compressed and restored during walking, and the outside air sucked in from the air inlet / outlet is ventilated through the air passage and the air pump chamber. , Forcibly supplied into the shoe through the ventilation hole, and forcibly discharges air, moisture, etc. in the shoe sucked through the ventilation hole to the outside through the air pump chamber, the ventilation path, and the air inlet / outlet. In addition, since the air inlet and outlet are open to the arch part on the outsole contact surface side, it is possible to effectively prevent water and dust from entering as compared to the case where the air inlet and outlet are open to the forefoot and heel parts on the outsole contact surface side. .
The air pump chamber is connected to the inside of the shoe by a vent hole that penetrates through the forefoot part of the outsole, and the air inlet and outlet are provided in the arch part of the outsole, so that air, moisture, etc. in the shoe can be discharged to the outside. The flow distance for taking in the outside air into the shoe is sufficiently shorter than the shoe sole for performing forced ventilation, and the forced air ventilation is ensured by the pump action during walking while using a small air pump room. Can be performed. The small air pump chamber et obtain reliable ventilation function
The air pump chamber has a flat and thin shape and works well.
From the cushioning material attached to the tread side of the outsole forefoot
It can be constructed internally and does not bulge to the outsole contacting surface side, there is no danger of lowering comfort, and it also functions as an air cushion in the outsole forefoot part Can be achieved, and further improvement in appearance can be expected.
Therefore, the ventilation of the forefoot portion in the shoe can be effectively and efficiently performed, and the infiltration of water, dust and the like into the shoe can be reduced, and the shoe sole has good comfort and excellent cushioning and design. The above-mentioned problem can be achieved.

[0007]

The cushion material is made of an elastic material, for example, a 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) or the like, or a blend of these with natural rubber, or a blend with a desired synthetic resin material, etc., and use a desired adhesive It is conceivable that they are integrally fixed to the outsole. It is preferable to form a non-slip pattern on the bottom surface (ground surface) of the cushion material.

The air pump chamber is located on the upper surface of the cushion material (outside bottom).
A concave portion is formed on the joint surface with the
Room.

When the extending portion is formed integrally with the cushion material, when the extension portion 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 location on the outsole and joined to the cushion material. And so on. Preferably, the left and right side edges of the cushion material are extended substantially in a band shape in plan view and provided on the left and right sides.

When the ventilation path is formed inside the extension,
There may be a case where a recess is formed in both or one of the upper surface of the extension portion (joint surface with the outsole) and the ground surface of the outsole and the inside of the recess is used as a ventilation path, or a case where the recess is provided inside the outsole. .

The portion where the extension is provided in the arch portion on the outsole contacting surface side is inclined so that the distance from the forefoot to the heel gradually increases from the forefoot to the heel. 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 larger, since the distance between the air inlet and the ground with respect to the ground becomes larger and the intrusion of water, dust and the like can be more effectively prevented. When the extension is provided separately from the outsole, a recess into which the extension is fitted is provided in the arch and the extension 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 tip side (heel side) of the extension.

Further, in addition to the recess, a recess for fitting a cushion material is provided in the forefoot portion on the ground contact surface side of the outsole. This is preferable because the protrusion dimension of the extension portion can be reduced, and further improvement in comfort, cushioning, and design can be expected.

The vent hole has a lower end opening communicating with the air pump chamber, and an upper end opening is formed in the outsole contacting surface so as to penetrate the outsole forefoot.

[0015] Since the air pump chamber is provided a number of strut of resilient material, the compression of the definitive air pump chamber during walking, by performing restore reliably forced ventilation so as to take place more accurately Can be achieved, and further improvement in cushioning properties can be expected. Further, even if water, dust, or the like intrudes from the air inlet / outlet, the strut inhibits its progress and prevents the pillar from reaching the ventilation hole. The strut body is provided integrally with the outsole or cushion material and arranged in the air pump room,
Alternatively, it is conceivable to load a member provided separately from the outsole and the cushion material into the air pump chamber. Examples of the shape of the support body include various shapes such as a column shape such as a cylinder and a prism, a wall shape, a plate shape, a linear shape in a plan view, a curved shape, a bent shape, and the like. It may be configured alone or in combination.

According to a second aspect of the present invention , the column is cushioned.
It consists of a large number of struts and baffles integrally formed on the
The struts are staggered in the air pump room, and
Baffle plates are installed between the supporting columns, and
Along with forming a bird-like distribution gap,
The spacing between the support and the baffle should be
Dense and coarse in areas far from the airway, close to the airway
It is good to form the flow gap of the part narrow. In this case, empty
Even if water or dust enters the air pump room,
Struts and baffles impede its progress, leading to ventilation holes
Function to prevent As in claim 3, each of the columns is
Each baffle plate is formed in a substantially cylindrical shape, and
If it is formed to be curved in an arc shape, it will be immersed in the air pump chamber.
Allow water and dust to accumulate in the curved part of the baffle plate
Inhibit. According to a fourth aspect, the front sole has a front footrest surface.
Cut longitudinally from the foot to the hindfoot, and
A plurality of rows of ventilation grooves to cut off are provided, and the ventilation hole is provided at the bottom of the ventilation grooves.
If a large number of holes are drilled at appropriate intervals,
The cushioning material, struts and baffles are pressed at the outsole and deformed and restored.
The air pump room is compressed and restored with the
Air from the air inlet and outlet.
Forced supply into the shoe through the air groove and suction from the vent
Air and moisture inside the shoes that have entered into the outside via the air inlet / outlet
Forcibly draining, effective ventilation in the shoes
You.

[0017]

FIG. 1 is a block diagram showing an embodiment of the present invention.
This will be described with reference to FIGS. The sole A shown in FIG.
A, urethane, synthetic rubber, natural rubber, and the like, which are commonly used in this field, such as synthetic rubber or natural rubber,
Alternatively, an outsole (outsole) 1 formed by joining a heel portion 1d formed separately with an adhesive or the like, a spacer 2 laid on the foot contact surface side of the outsole 1, and laid on the spacer 2 A cushion material 4 made of an elastic material is attached to the ground surface of the outsole forefoot 1a, and an air pump chamber 5 is formed between the cushion material 4 and the outsole 1; Lumber 4
Is provided with an extension 6 extending to the arch 1b on the side of the ground surface 1 on the outsole 1 side, an air port 7 is opened in the extension 6, and a ventilation path 8 connecting the air port 7 to the air pump chamber 5 is provided. And an air pump chamber 5 is provided on the foot contact surface of the outsole forefoot portion 1a.
Are formed by opening a plurality of ventilation holes 9 which communicate with the air holes.

The spacer 2 holds a gap for ventilation between the outsole 1 and the midsole 3 and is a tertiary woven three-dimensionally knitted with a plurality of types of wires made of materials known in the art. Made of original fabric. The insole 3 has a structure in which a base material 3a of an insole made of a material excellent in moisture absorption and quick drying, a shock absorbing member 3b, a nonwoven fabric 3c made of a material having air permeability, and the like are laminated. A through hole 3d communicating with a ventilation groove 10 described later is formed. In this example, the insole 3 as described above is shown. However, it is also possible to use an insole generally used in this field, in which case, the spacer 2 has a shape corresponding to the forefoot 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 longitudinally from the forefoot 1a to the hindfoot 1c and crossing the forefoot 1a. A large number of ventilation holes 9 penetrating through the forefoot 1a and communicating with the air pump chamber 5 are formed at appropriate intervals in the bottom of the ventilation groove 10 provided in the forefoot 1a.
A plurality of holes 11 communicating with the ventilation grooves 10 are formed in the foot contact surface of the heel portion 1d.

On the ground contact surface side of the outsole forefoot portion 1a, a concave portion 12 into which the cushion material 4 is fitted is formed, and the cushion material 4 is mounted in the concave portion 12. In the recess 12, a waterproof sheet 13 having air permeability is adhered to the outsole 1, and the lower end opening side of each of the ventilation holes 9 is covered with the waterproof sheet 13. Care should be taken to prevent water from entering the shoes. Arch 1b on the outsole tread side
, The left and right side edges of the concave portion 12 are extended to a position adjacent to the heel portion 1d, and concave grooves 14 communicating with the concave portion 12 are provided on the left and right, and the extended portions 6 are mounted in the concave grooves 14. I do.
The provision of the concave portion 12 and the concave groove 14 on the grounding surface of the outsole 1 and the mounting of the cushioning material 4 and the extending portion 6 in the recesses 12 and The projecting dimension of the portion 6 can be reduced, which is useful in preventing the wearing comfort from being deteriorated and improving the design and appearance.

A raised portion 15 is formed between the left and right concave grooves 14 without forming a concave portion, except for the ground contact surface side of the outsole 1, and is formed to be thinner than the forefoot portion 1a and the heel portion 1d. A predetermined strength is given to the shank portion 1b to maintain the strength of the entire outsole 1 and to surely perform a pump operation described later.

A non-slip member 16 made of an elastic material such as the synthetic rubber or the natural rubber described above and having a non-slip pattern engraved thereon 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 planar shape that can be fitted in the concave portion 12 in a fitting manner. It is formed with a thickness of about a few mm protruding, and a non-slip pattern (not shown) is engraved on the bottom surface (ground surface). The extending portion 6 is integrally connected to the cushion material 4 along the left and right side edges.

On the upper surface (joint surface with the outsole 1) of the cushion material 4, a concave portion 17 is formed with a joint edge 4a around the periphery and a pedestal 4b at the center portion. The cushioning material 4 is formed on the upper surface of the joining edge 4a and the pedestal 4b with an adhesive or the like.
2, the upper surface opening of the recess 17 is covered with the outer bottom 1 to form the air pump chamber 5 in the recess 17.

An air inlet / outlet 7 is opened at the distal end side of the extending portion 6 connected to the cushion material 4 in the extending direction, and ventilation is provided in the extending portion 6 to allow the air inlet / outlet 7 to communicate with the air pump chamber 5. The road 8 is formed. The air passage 8 is provided on the upper surface (the outsole 1) of the extension portion 6.
The joints 6a formed on the left and right sides of the air passage 8 are fixed to the groove 14 on the outer bottom with an adhesive or the like, so that the extending portion 6 is formed. Integrate with the outsole 1.

The concave groove 14 provided on the outsole 1 gradually increases the size of the recess toward the heel portion 1d, so that the distal end side of the extension portion 6 enters into the outsole 1 so that the air inlet / outlet is provided. 7 is positioned at a higher position, and the distance from the ground increases. Further, the air inlet / outlet 7 is opened adjacent to the heel part 1d and is covered by the heel part 1d, and water, dust and the like are generated from the air inlet / outlet 7 by the synergistic action with the increase in the distance from the ground as described above. Can be effectively prevented from entering. Further, by opening the air inlet / outlet 7 adjacent to the heel portion 1d, the ventilation path 8 becomes longer, so that even if water, dust, or the like intrudes from the air inlet / outlet 7, it does not immediately reach the air pump chamber 5. Has become.

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

The air pump chamber 5 is provided with a large number of struts made of an elastic material such as the above-described synthetic rubber, natural rubber, or a desired synthetic resin material, so that the air pump chamber 5 can be more compressed and restored during walking. Make sure it is done properly. The strut body of the present embodiment includes a large number of struts 18 and baffle plates 19 integrally formed with the cushion material 4.

The struts 18 are substantially columnar in shape and protrude from the bottom wall of the recess 17 of the cushion material 4 to the grounding surface of the outsole 1 and are arranged in the air pump chamber 5 in a staggered manner. An interval capable of forming the baffle plate 19 is maintained between the columns 18 adjacent to each other along the width direction of the cushion material 4 (the width direction of the outsole 1). The baffle plate 19 is a wall body that protrudes from the bottom wall of the concave portion 17 of the cushion material 4 to the ground surface of the outsole 1 and is formed between adjacent columns 18 along the width direction of the cushion material 4. And the air pump room 5
Arrange them in a zigzag pattern. In addition, a gap is maintained between the column 18 and the baffle plate 19 that are adjacent to each other along the width direction of the cushion member 4. Thus, in the air pump chamber 5, the staggered flow gaps s1,
Even if water, dust, or the like enters the air pump chamber 5, a large number of the columns 18 and the baffle plates 19 are formed.
Is configured to inhibit the progress.

In this embodiment, each of the columns 18 and the baffle 1
The intervals c1 and c2 of the line 9 are made dense in the portion near the air passage 8 and coarse in the portion far from the air passage 8, and the flow gap s1 in the portion near the air passage 8 is formed to be narrow. And the like are prevented from reaching the ventilation hole 9 at a portion close to the ventilation path 8.

Further, in the present embodiment, the baffle plate 19 is formed to be curved in a substantially arc shape in plan view so that the air pump chamber 5 is formed.
Water, dust, and the like that have entered the inside of the cushion member 4 are prevented from proceeding by accumulating in the curved portion. The arrangement shape of s1 and s2 is made more complicated,
The configuration is such that progress of water, dust, and the like is more effectively inhibited.

As described above, the support column 18 and the baffle plate 1
9 to form a support body, and the arc-shaped baffle plates 19 are arranged as described above, so that the support columns 18 and the baffle plates 19 are deformed in appropriate directions during walking, respectively, and are restored. The compression and restoration of the material 4 is performed almost uniformly over the entire area of the air pump chamber 5, so that a large number of vent holes 9 can be uniformly sucked and exhausted, so that the inside of the shoe can be ventilated more efficiently. Will be able to do it. In addition, further improvement in cushioning and comfort can be expected.

According to the sole of the present embodiment having the above configuration,
As the cushion member 4, the strut 18 and the baffle plate 19 are pressed and deformed and restored by the outsole 1 during walking, the air pump chamber 5 is compressed and restored to exhibit a pumping action, and is sucked in from the air inlet 7. The forced outside air is forcibly supplied into the shoes through the ventilation holes 9, the ventilation grooves 10, the spacers 2, the through holes 3d in the insole 3, and the nonwoven fabric 3c, and the air and moisture in the shoes sucked through the ventilation holes 9 Can be forcibly discharged to the outside through the air inlet / outlet 7, and the ventilation in the shoe can be effectively performed.

The air inlet / outlet 7 is open to the arch 1b on the ground contact surface side of the outsole, and the tip of the extension 6 is sunk 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, intrusion of water, dust and the like can be extremely effectively prevented.

A column 18 provided in the air pump chamber 5
And the baffle plate 19, the air pump chamber 5 during walking
Compression and decompression are performed more accurately, and the above-described forced ventilation can be performed more reliably. further,
By forming the concave portion 12 and the concave groove 14, a portion extending from the forefoot portion 1a to the arch portion 1b of the outsole 1 is made thinner to impart flexibility to the thin portion, and a raised portion provided at the center of the arch portion 1b. The thick part (15) has a predetermined rigidity, and the thin part, that is, the forefoot part (1a) is deformed with the walking around the thick part (elevated part 15), so that the air pump chamber 5 is properly formed. By pressing, the above-mentioned pump action is performed more reliably.

An air pump chamber 5 is provided directly below the outsole forefoot 1a, and is communicated with the inside of the shoe through a vent hole 9 penetrating the forefoot 1a, and the air port 7 is connected to the forefoot 1a. Since it is provided on the adjacent arch 1b, the flow distance for discharging air and moisture in the shoe and the flow distance for taking in outside air are sufficiently shorter than the conventional forced ventilation means, and the outsole forefoot portion By using the flat and thin air pump chamber 5 attached to the grounding surface 1a, forced ventilation can be reliably performed by the pump action during walking. Therefore, not only is there no danger of lowering comfort, the air pump chamber 5 functions as an air cushion, and the cushion member 4 made of an elastic material, the strut 18 and the baffle plate 19 are deformed and restored with walking. Due to the synergistic action, significant improvement in comfort and cushioning can be expected.

Further, the length of the air passage 8 is increased, and
And the baffle plate 19 is configured as described above, and furthermore, the lower end opening side of each ventilation hole 9 is covered with a waterproof sheet 13 so that even if water, dust, or the like enters from the air inlet / outlet 7, its progress is hindered, and To prevent intrusion.

[0038]

The sole according to the first aspect of the present invention is constructed as described above, so that the outside air is forcibly taken in by the pumping action of the air pump chamber and the air and moisture in the shoe are forcibly removed. It is possible to efficiently exhaust and ventilate the inside of the shoe. Further, the air inlet / outlet is provided in the arch portion, so that intrusion of water, dust and the like can be effectively prevented. Further, since the air pump chamber is provided below the forefoot part and communicates with the inside of the shoe by a ventilation hole penetrating the forefoot part, and the air inlet and outlet are provided in the arch part adjacent to the forefoot part, so that the inside of the shoe is ventilated. The flow distance of air and moisture can be shortened, and forced ventilation can be reliably performed using a small air pump room. Therefore, the air pump chamber can function satisfactorily even with a flat and thin shape provided on the ground contact surface of the forefoot, not only to reduce the comfort, but also to function as an air cushion and improve the appearance of the shoe. There is no danger of lowering. Therefore, ventilation of the forefoot in the shoe can be performed effectively and efficiently, water and dust, etc. do not enter the inside of the shoe, and the shoe sole is excellent in comfort and excellent in cushioning and design. Can be provided.

Also, since a large number of struts 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 reliably performed and the cushioning property can be improved. Further improvement can be expected. In addition, there is an advantage that even if water, dust, or the like intrudes from the air inlet / outlet, the strut blocks the progress and prevents the pillar from reaching the ventilation hole.

As described in claim 2, a large number of columns and baffles are formed.
To form a zigzag flow gap in the air pump chamber.
And the spacing between each support and the baffle should be
Air pump room if dense in minutes and coarse in distant parts
Even if water, dust, etc. intrudes into the
Prevent the magic plate from blocking its progress and reaching the ventilation holes
You can do it. As in claim 3, each baffle plate
Is formed in a substantially circular arc shape in plan view,
Water, dust, etc., which have entered the chamber, collect in the curved part of the baffle plate.
Can hinder progress. As in claim 4,
If you go longitudinally from the forefoot to the hindfoot on the outsole contact surface
At the bottom of the ventilation groove provided in multiple rows so that both cross the forefoot
Effective ventilation in the shoe when many holes are opened
I can do it.

[Brief description of the 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 lines (X)-(X) in FIG.

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

FIG. 4 is a bottom view in 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.

FIG. 7 is an enlarged sectional view taken along the line (Y)-(Y) of FIG. 6;

FIG. 8 is an enlarged cross-sectional view illustrating a deformed state of a support 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 room 6: Extension part 7: Air doorway 8: Ventilation path 9: Vent hole

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) A43B 7/08 A43B 13/20

Claims (4)

(57) [Claims] 1. An elastic material is provided on the ground contact surface of the outsole forefoot.
A flat and thin cushion material is attached, and the upper surface of the cushion material is
Forming a recess in the air pump chamber in the recess,
A large number of struts made of elastic material are provided in the air pump chamber.
At the same time, the cushioning material is
An extension is provided to reach the air outlet, and an air port is opened in the extension.
And the air inlet / outlet communicates with the air pump chamber.
There is an airway inside, and the air
A shoe sole with a plurality of ventilation holes connected to the pump room . 2. The strut body is formed integrally with a cushion material.
It consists of a number of struts and baffles, and each strut is
Are arranged in a zigzag pattern, with no
Distribution provided in a zigzag pattern in the air pump room with a magic plate
Forming a gap and arranging the columns and baffles
Make the space closer to the air passage and make it farther away from the air passage.
Rough in the part where the air flow path is
The shoe sole according to claim 1, wherein the shoe sole is formed narrow . 3. The method according to claim 1, wherein each of the columns is formed in a substantially cylindrical shape.
In addition, each of the baffle plates is formed by being curved in a substantially arc shape in plan view.
3. The shoe sole according to claim 2, wherein: 4. A front foot portion to a rear foot portion on the foot sole surface of the outsole.
And a ventilation groove that crosses the forefoot
A plurality of rows are provided, and the ventilation holes are provided at appropriate intervals at the bottom of the ventilation groove.
4. The shoe sole according to claim 3, wherein a large number of holes are formed .