JP2008110081A - Footwear - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide footwear capable of alleviating the effects of sweating feet. <P>SOLUTION: The footwear is provided with: an outsole 1 including a chamber 1a having a recessed portion at a site to be located under a heel; an elastic member 4 for air-tightly closing an upper surface of the chamber 1a and having a bulge part 4a bulging upward; an insole 2 having a covering part which is a recessed portion for covering the bulge part of the elastic member 4 and has an opening part 2b on the upper surface; an outside-air intake opening provided on a side wall of the outsole 1; an outside-air passage provided in the outsole 1 and communicating between the outside-air intake opening and the chamber 1a; a first check valve for taking in outside air, provided inside the outside-air passage to allow the air to flow in the direction entering the chamber 1a and to block the flow of the air from the chamber 1a to the side of outside air; a discharge passage P for communicating between the chamber 1a and the opening part 2b; and a second check valve G2 for exhausting the air, provided inside the discharge passage P to allow the air to flow in the direction exhausted out of the chamber 1a and to block the flow of the air into the chamber 1a. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

    The present invention relates to footwear, and more particularly to footwear that can prevent foot stuffiness.

Conventionally, there is footwear that can prevent foot stuffiness (see, for example, Patent Document 1).
This is a "shoe that can be ventilated when walking" by changing the internal volume of the pump chamber by using the load difference applied to the heel when walking, and forcibly exhausting the air inside the footwear to the outside. .
However, in the above-described footwear, since the bulging portion of the airtight lid (elastic member) is exposed from the insole (insole), the bulging portion of the airtight lid (elastic member) is easily worn by use, In addition, a gap is formed between the periphery of the bulging portion of the hermetic lid (elastic member) and the insole (insole), and dust or the like tends to adhere to the gap, and the bulging of the hermetic lid (elastic member) Since the portion protrudes from the insole, there is a problem that the appearance is not good.
Japanese Patent No. 2918836 (FIGS. 1 and 2)

The object of the present invention is to provide footwear that eliminates the above-mentioned problems.

The footwear according to claim 1, which achieves the above-described object, hermetically closes an outsole having a chamber having a recess in a portion located under the heel and an upper surface of the chamber having the recess. And an insole having an bulging portion that bulges upward, a cover portion that is a recess that covers the bulging portion of the elastic member, and an opening on the upper surface, and the outsole An outside air intake provided in a side wall of the air bag, an outside air passage provided in the outsole, communicating with the outside air intake and the chamber, and provided in the outside air passage, in a direction of introducing air into the chamber. A first check valve for taking in outside air that allows flow and blocks air flow from the chamber to the outside air side, a discharge passage that connects the chamber and the opening, and a discharge passage that is provided in the discharge passage. , Empty in the direction of discharging from the chamber It allows the flow, is provided with a second check valve for exhaust which prevents the flow of air into the chamber.

Further, the footwear according to claim 2 is the footwear according to claim 1, wherein the check valve includes a first cylinder, a second cylinder inserted into the first cylinder, and the second cylinder. And a valve sandwiched between the first cylinder, the first cylinder is connected to the first cylinder and the first cylinder, and from the inner diameter of the first cylinder A second cylinder having a large inner diameter, and a first passage communicating the second cylinder and the first cylinder, wherein the second cylindrical body abuts against an inner wall of the second cylinder. A first 'cylinder having an outer diameter smaller than the inner diameter of the second cylinder, and a first' cylinder connected to the first 'cylinder and having an outer diameter smaller than the outer diameter of the first' cylinder. A 2 ′ cylinder and a second passage communicating the second ′ cylinder and the first ′ cylinder. The valve is supported by the ring portion and the ring portion. A lid larger than an inner diameter of the first cylinder and smaller than an inner diameter of the ring portion and an inner diameter of the first ′ cylinder, and air flows into the lid from the first passage toward the second passage. Then, the lid moves into the first ′ cylinder, and the air is guided to the second passage, and air is directed to the lid from the second passage toward the first passage. When the air flows in, the lid closes the first passage of the first cylinder, and the first check valve for taking in the outside air passes through the first cylinder of the check valve. The second 'cylinder is positioned on the side of the chamber, and the second check valve for exhaust is positioned on the chamber side of the first cylinder of the check valve. is there.

The footwear according to claim 3 is the footwear according to claim 2, wherein the outsole is made of polyurethane, and the first check valve for taking in outside air is press-fitted into the outside air passage, and the outside air is The end face of the 2 ′ cylinder of the first check valve for intake faces the chamber, the insole has a plurality of openings, and a discharge passage that communicates the chamber and the opening is provided in the outsole. A linear guide groove that communicates with the chamber and toward the toes; a branch groove that is provided in the outsole and branches from the linear guide groove to the left and right and communicates with the opening; and the guide A pipe accommodated in the groove and one end of the pipe are inserted so as to contact the outer wall of the second 'cylinder of the second check valve for exhaust, and the second check valve for exhaust The end face of the first cylinder faces the chamber and the pipe End is intended to be arranged to face the branch groove.

    According to a fourth aspect of the present invention, the footwear according to the first aspect is provided with a detachable lid at the outside air intake.

    Further, the footwear according to claim 5 is the footwear according to claim 1, wherein the footwear is a room having a recess and is located below the elastic member, supports the descending elastic member, and has an elastic force. Is provided.

    Further, the footwear according to claim 6 is the footwear according to claim 2, wherein the discharge passage is provided in the outsole, communicates with the chamber, and is provided in the linear guide groove toward the toe, and in the outsole. , An enlarged groove expanding from the tip of the linear guide groove, a pipe accommodated in the guide groove, and one end of the pipe on the outer wall of the second 'cylinder of the second check valve for exhaust The first cylindrical end surface of the second check valve for exhaust faces the chamber, and the other end of the pipe faces the enlarged groove. The part faces the enlarged groove, and the opening of the insole is enlarged toward the tip which is the toe side.

According to the footwear according to claim 1, since the elastic member has the bulging portion that bulges upward, the amount of deformation is increased to increase the pumping action due to intake of air into the room and exhaust. In addition, the bulging portion of the elastic member does not protrude from the insole and the insole has a cover portion that is a recess that covers the bulging portion of the elastic member. In addition, the appearance does not deteriorate as much as it does not protrude from the insole as in the prior art.

Further, according to the footwear described in claim 2, in addition to the effect of the invention described in claim 1 described above, the middle of the pipe as in the prior art is closed at the central closing portion, and a slit and an opening are formed on one side via the central closing portion. Unlike the check valve in which the slit and the opening are provided on the other side through the central blocking portion, the first valve for taking in outside air can be obtained with one check valve by changing the direction of the check valve. And a second check valve for exhaust.

According to the footwear recited in claim 3, in addition to the effect of the invention recited in claim 2, the one end of the pipe housed in the guide groove is connected to the second 2 ′ of the second check valve for exhaust. Since the pipe is inserted so as to be in contact with the outer wall of the cylinder and the other end of the pipe faces the branch groove branching left and right from the guide groove, the outside air can be introduced in an airtight manner.

    If the outside air intake is always open, rain enters the footwear through the outside air intake during rainy weather. According to the footwear according to claim 4, the invention according to claim 1 described above. In addition to the effect, it is possible to prevent rain from entering the footwear by closing the outside air intake port with the lid.

    When the heel part is applied to the elastic member, the elastic member sinks into a room having a recess and causes a sense of incongruity during walking. However, according to the footwear according to claim 5, according to the invention of claim 1 described above. In addition to the effect, even when the heel portion is applied to the elastic member, the supporting member receives the elastic member that descends, and the amount of lowering of the elastic member can be reduced, so that the uncomfortable feeling during walking can be reduced.

    Further, according to the footwear described in claim 6, in addition to the effect of the invention described in claim 2, the other end of the pipe faces the enlarged groove, and the enlarged groove faces the opening of the insole. Since the opening of the insole is enlarged toward the tip which is the toe side, the air supplied from the pipe is reduced in resistance and can sufficiently guide the outside air into the footwear.

An embodiment of footwear of the present invention will be described with reference to the drawings.
1 to 15, A is footwear, and footwear A is schematically represented by an outsole (outsole) 1.
And an insole (insole) 2 and a crust (upper) 3.
The outsole 1 is made of polyurethane, for example, and includes a chamber 1a having a recess at a position located under the heel. 3 is an elastic member, and the elastic member 4 is made of, for example, vinyl chloride, and hermetically closes the upper surface of the chamber 1a having the recess (for example, the recess of the chamber 1a is blocked by the elastic member 4). And the elastic member 4 is bonded to the upper surface of the chamber 1a with an adhesive.) And a bulging portion 4a bulging upward. The insole 2 is shown in FIGS.
As shown in FIG. 5, while having the cover part 2a which is a recess which covers the bulging part 4a of the elastic member 4,
A plurality of openings 2b are provided on the upper surface.

1b shown in FIG. 1 is an outside air intake provided on the side wall of the outsole 1, and the outside air intake 1b is also provided on the back side of FIG. 1b shown in FIG. 1 (see FIGS. 1 and 5).
Moreover, 1c shown in FIG. 6 is an outside air passage which is provided in the outsole 1 and communicates the outside air intake 1b and the chamber 1a.
In the outside air passage 1c, a first check valve G1 for taking in outside air is provided, and the first check valve G1 for taking in outside air allows a flow of air in a direction to be introduced into the chamber 1a, It acts to block the flow of air from the chamber 1a to the outside air side (see FIG. 7).

The first check valve G1 for taking in outside air is press-fitted into the outside air passage 1c, and an end surface of a second ′ cylinder 20b described later of the first check valve G1 for taking in outside air faces the chamber 1a. Are arranged as follows.
That is, as shown in FIG. 4, the check valve of the first check valve G1 includes a first cylinder 10, a second cylinder 20 inserted into the first cylinder 10, A second cylinder 20 and a valve 30 sandwiched between the first cylinder 10 are provided.
The first cylinder 10 is connected to the first cylinder 10a and the first cylinder 10a.
A second cylinder 10b having an inner diameter larger than the inner diameter of the first cylinder 10a, and the second cylinder 10b
And a first passage 10c communicating with the first cylinder 10a, for example, the first cylinder 10a
The second cylinder 10b is integrally formed of plastic.
The second cylinder 20 is in contact with the inner wall of the second cylinder 10b so that the second cylinder 1 is in contact with the inner wall of the second cylinder 10b.
A first 'cylinder 20a having an outer diameter smaller than the inner diameter of 0b, and a second' cylinder 20b connected to the first 'cylinder 20a and having an outer diameter smaller than the outer diameter of the first' cylinder 20a; The second 'cylinder 20b and the second passage 20c communicating with the first' cylinder 20a are provided. For example, the first 'cylinder 20a and the second' cylinder 20b are integrally formed of plastic. Has been.
The valve 30 is supported by the ring portion 30a, the ring portion 30a, and the first
And a lid 30b that is larger than the inner diameter of the cylinder 10a and smaller than the inner diameter of the ring portion 30a and the inner diameter of the first 'cylinder 20a.
Further, S shown in FIG. 4 is a stopper, and the stopper S has a ring portion S1 and a plurality of claws S2 inside the ring portion S1, and the ring portion S1 is a first check valve G1 or It serves as a stopper when the second check valve G2 is mounted so as to face the chamber 1a.
The claw S2 is for engaging with the outer peripheral surface of the second 'cylinder 20b or the second cylinder 10b.
Therefore, as shown in FIG. 7, when air flows into the lid 30b from the first passage 10c toward the second passage 20c, the lid 30b moves into the first 'cylinder 20a and the air is second. On the contrary, when air flows from the second passage 20c toward the first passage 10c into the lid 30b, the lid 30b passes through the first passage 10c of the first cylinder 10a. Acts as a plug.

Further, P shown in FIG. 2 is a discharge passage communicating the chamber 1a and the opening 2b. A second check valve G2 for exhaust is provided in the discharge passage P, and this second exhaust valve is provided for exhaust. The check valve G2 acts to allow the flow of air in the direction of discharging from the chamber 1a and to block the flow of air to the chamber 1a (see FIG. 9). The second check valve G2 for exhaust is the first check valve G for taking in outside air described above.
1 is structurally the same except for the direction and the portion where the stopper S abuts, and the description thereof is omitted.
That is, as shown in FIG. 7, the first check valve G1 for taking in outside air has the first cylinder 10a of the check valve on the outside air side and the second 'cylinder 20b on the chamber 1a side. The claw S2 of the stopper S is engaged with the outer peripheral surface of the second 'cylinder 20b, but the second check valve G2 for exhaust is
As shown in FIG. 9, the first cylinder 10a of the check valve is positioned on the chamber 1a side, and the claw S2 of the stopper S is engaged with the outer peripheral surface of the first cylinder 10a.
3 and 9, the discharge passage P described above is provided in the outsole 1, communicates with the chamber 1a, and is provided in the linear guide groove P1 toward the toes and the outsole 1. The branch groove P2 branches from the straight guide groove P1 to the left and right, and communicates with the opening 2b, the pipe P3 accommodated in the guide groove P1, and one end of the pipe P3 is a second exhaust port.
The check valve G2 is inserted so as to contact the outer wall of the second 'cylinder 20b, the end surface of the first cylinder 10a of the second check valve G2 for exhaust faces the chamber 1a, and the other pipe P3. The end is configured to face the branch groove P2 (see FIG. 8).

Therefore, according to the above-described footwear A, the elastic member 4 has the bulging portion 4a that bulges upward.
Therefore, a large amount of deformation is taken to increase the pumping action due to the intake and exhaust of air into the chamber 1a. That is, when the weight is on the bag, the bulging portion 4a of the elastic member 4 enters the chamber 1a. When the air in the chamber 1a is discharged through the discharge passage P and the opening 2b to prevent the feet from becoming stuffy and the weight of the heel is lost, the elastic member 4 is elastically deformed so that the air into the chamber 1a is discharged. Is taken into the chamber 1a through the outside air passage 1c.
Further, the bulging portion 4a of the elastic member 4 does not protrude from the insole 2 as in the prior art, and the insole 2 has a covering portion 2a that is a recess that covers the bulging portion 4a of the elastic member 4,
The bulging portion 4a of the elastic member 4 can be protected, and furthermore, the appearance does not deteriorate because it does not protrude from the insole 2 as in the prior art.

In addition, the first check valve G1 for intake of outside air (or the second check valve G2 for exhaust) closes the middle of the pipe as in the prior art (Patent Document 1) at the central blocking portion, and the central blocking portion. Unlike a check valve, which has a slit and an opening on one side via a central opening and a slit and an opening on the other side via a central blocking portion, by changing the direction of the check valve, one check The valve can correspond to the first check valve G1 for taking outside air and the second check valve G2 for exhaust.

Furthermore, the end surface of the first cylinder 10a of the second check valve G2 for exhaust is the chamber so that the end surface of the second check cylinder G2 of the first check valve G1 for taking in outside air faces the chamber 1a. As we face 1a,
Since it is only necessary to attach each of them, a check valve can be easily attached, and one end of the pipe P3 is inserted so as to contact the outer wall of the second 'cylinder 20b of the second check valve G2 for exhaust. In addition, since the other end of the pipe P3 is configured to face the branch groove P2, the introduction of outside air can be easily kept in an airtight state.

In the embodiment described above, the discharge passage P is a linear guide groove P1, a branch groove P2, and a pipe P3 accommodated in the guide groove P1, but the present invention is not limited to this. For example, as shown in FIGS. 16 to 22, the discharge passage P is provided in the outsole 1, communicates with the chamber 1 a, and is provided in the linear guide groove P <b> 1 toward the toe and the outsole 1. An enlarged groove P2 'expanding from the tip of the guide groove P1, a pipe P3 accommodated in the guide groove P1, and one end of the pipe P3 are the second cylinder of the second check valve G2 for exhaust. It is inserted so as to contact the outer wall of 20b, and the end surface of the first cylinder 10a of the second check valve G2 for exhaust faces the chamber 1a, and the other end of the pipe P3 faces the enlarged groove P2 ′. You may make it comprise.
According to the footwear of this embodiment, the other end of the pipe P3 faces the enlarged groove P2 ′, the enlarged groove P2 ′ faces the opening 2b of the insole 2, and the opening 2b of the insole 2 is on the toe. The air supplied from the pipe P <b> 3 is reduced in resistance and can sufficiently guide the outside air into the footwear A because it expands toward the tip that is the side.
Moreover, 2C shown in FIG. 17 is a deodorizing function member formed with the cloth | dye which has a deodorizing function. As shown in FIGS. 20 and 21, the pipe P3 has a flat shape on the side close to the toe side. In the embodiment shown in FIGS. 16 to 22, the same reference numerals are given to the same portions as those in the above-described embodiment, and a part of the description is omitted.

    Further, F shown in FIG. 22 is a lid that is detachable from the outside air intake 1b. If the outside air intake 1b is always open, rain enters the footwear A through the outside air intake 1b during rainy weather. Intrusion into A can be prevented.

    In addition, 50 shown in FIG. 17 is the inside of the chamber 1a having a recess, and is located below the elastic member 4, supports the descending elastic member 4, and has a resilient force. If the elastic member 4 is applied to the elastic member 4, the elastic member 4 sinks into the chamber 1 a having a recess and causes a sense of incongruity during walking. However, the supporting member 50 receives the elastic member 4 that descends, and the amount of the elastic member 4 that is lowered can be reduced, thereby reducing the uncomfortable feeling during walking.

FIG. 1 is a schematic perspective view of footwear according to an embodiment of the present invention. FIG. 2 is a schematic cross-sectional view taken along line 2-2 in FIG. FIG. 3 is a schematic exploded perspective view showing the footwear of FIG. FIG. 4 is a schematic exploded perspective view of a first check valve for taking in outside air (or a second check valve for exhaust) attached to the footwear of FIG. 1. FIG. 5 is a schematic cross-sectional view taken along line 5-5 in FIG. 6 is a schematic cross-sectional view showing a state before the first check valve for taking in outside air in FIG. 5 is attached. FIG. 7 is a schematic cross-sectional view for illustrating the operation of the first check valve for taking in outside air in FIG. 5. FIG. 8 is a schematic cross-sectional view taken along line 8-8 in FIG. FIG. 9 is a schematic cross-sectional view showing a state before a pipe is attached to the second check valve for exhaust shown in FIG. 10 is a schematic plan view of the elastic member of FIG. FIG. 11 is a schematic cross-sectional view taken along line 11-11 in FIG. FIG. 12 is a schematic cross-sectional view of a state in which the elastic member of FIG. 11 hermetically closes the recess of the outsole. FIG. 13 is a schematic plan view of the insole of FIG. 14 is a schematic cross-sectional view taken along line 14-14 of FIG. 15 is a schematic cross-sectional view taken along line 15-15 in FIG. FIG. 16 is a schematic cross-sectional view of another embodiment different from the footwear of FIG. FIG. 17 is a schematic exploded perspective view showing the footwear of FIG. 16 in an exploded manner. 18 is a schematic cross-sectional view of the outsole of FIG. FIG. 19 is a schematic partially enlarged sectional view showing a part of FIG. 18 in an enlarged manner. 20 is a schematic cross-sectional view taken along line 20-20 in FIG. 21 is a schematic cross-sectional view taken along line 21-21 in FIG. FIG. 22 is a schematic cross-sectional view of FIG.

Explanation of symbols

A …… Footwear 1 ………… Outsole 1a ………… Room 1b ………… Outside air intake 1c ………… Outside air passage 2 ………… Insole 2a ………… Cover 4 …… …… Elastic member 4a ………… Swelling part G1 ………… First check valve G2 ………… Second check valve P ………… Discharge passage

Claims (6)

An outsole with a chamber having a recess in the site located under the heel,
An elastic member having a bulging portion that bulges upward while airtightly closing the upper surface of the chamber having the recess;
An insole having a cover that is a recess covering the bulging portion of the elastic member, and having an opening on the upper surface;
Outside air intake provided on the side wall of the outsole;
An outside air passage that is provided in the outsole and communicates between the outside air intake and the chamber;
A first check valve for taking in outside air that is provided in the outside air passage, allows air flow in the direction of introduction into the chamber, and blocks air flow from the chamber to the outside air;
A discharge passage communicating the chamber and the opening;
A second check valve for exhaust that is provided in the discharge passage, allows air flow in the direction of discharging from the chamber, and blocks air flow to the chamber;
Footwear characterized by providing. The check valve includes a first cylinder, a second cylinder inserted into the first cylinder, and a valve sandwiched between the second cylinder and the first cylinder. ,
The first cylinder includes a first cylinder, a second cylinder connected to the first cylinder and having an inner diameter larger than an inner diameter of the first cylinder, the second cylinder, and the first cylinder. A first passage communicating with the cylinder of
The second cylinder is connected to a first 'cylinder having an outer diameter smaller than the inner diameter of the second cylinder and the first' cylinder so as to contact the inner wall of the second cylinder. A second 'cylinder having an outer diameter smaller than the outer diameter of the first' cylinder, and a second passage communicating the second 'cylinder and the first' cylinder,
The valve includes a ring portion and a lid that is supported by the ring portion and that is larger than the inner diameter of the first cylinder and smaller than the inner diameter of the ring portion and the inner diameter of the first 'cylinder.
When air flows into the lid from the first passage toward the second passage, the lid moves into the first 'cylinder and the air is guided to the second passage. Yes,
When air flows into the lid from the second passage toward the first passage, the lid closes the first passage of the first cylinder,
The first check valve for taking in outside air has the first cylinder of the check valve positioned on the outside air side, and the second ′ cylinder positioned on the chamber side,
The footwear according to claim 1, wherein the second check valve for exhaust positions the first cylindrical body of the check valve on the chamber side. The outsole is made of polyurethane,
The first check valve for taking in outside air is press-fitted into the outside air passage, and the end face of the second 'cylinder of the first check valve for taking in outside air faces the chamber,
The insole has multiple openings,
A discharge passage communicating the chamber and the opening is
A linear guide groove that is provided in the outsole, communicates with the chamber, and extends toward the toe;
A branch groove provided on the outsole, branching left and right from the linear guide groove, and communicating with the opening;
A pipe stored in the guide groove;
One end of this pipe is inserted so as to abut on the outer wall of the 2 ′ cylinder of the second check valve for exhaust, and the end surface of the first cylinder of the second check valve for exhaust is The footwear according to claim 2, wherein the footwear is configured to face a chamber and the other end of the pipe faces the branch groove.     The footwear according to claim 1, wherein a detachable lid is provided at the outside air intake.     The footwear according to claim 1, wherein the footwear is provided in a room having a recess, which is located below the elastic member, supports the descending elastic member, and has a supporting member having an elastic force. The discharge passage is
A linear guide groove that is provided on the outsole and communicates with the chamber and toward the toes;
An enlarged groove provided on the outsole and expanding from a tip of the linear guide groove;
A pipe stored in the guide groove;
One end of this pipe is inserted so as to abut on the outer wall of the 2 ′ cylinder of the second check valve for exhaust, and the end surface of the first cylinder of the second check valve for exhaust is Facing the chamber, the other end of the pipe is configured to face the enlarged groove,
The footwear according to claim 2, wherein an opening of an insole faces the enlarged groove, and the opening of the insole is enlarged toward a tip which is a toe side.

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