JP6480737B2 - Insoles for shoe soles - Google Patents

Description

  The present invention relates to an insole for a shoe sole that can be attached to a shoe sole of a shoe such as a high heel or a middle heel that has a heel side higher than a toe side.

  Examples of insoles for insoles intended to alleviate the impact applied to the soles by being attached to the soles include those disclosed in Patent Document 1. The insole for a shoe sole disclosed in such a document is composed of a flexible covering material in which a liquid is encapsulated so as to be able to flow, and in addition to alleviating the impact, the covering material is slightly swollen by the flow of the liquid. And the press effect by it was also comprised.

  However, the above-mentioned insole for shoe sole is ideal for movement of the liquid during walking because the liquid storage space formed by the covering material is formed only over substantially the entire area of the insole. As a conventional technique, for example, an insole for a shoe sole disclosed in Patent Document 2 has a problem that the impact relaxation effect and the pressing effect on the soles are not sufficient. Has been proposed.

JP 2000-197504 A JP 2007-301275 A

  However, in the above prior art, when applied to the sole of a shoe having a substantially uniform height from the toe side to the heel side like a sneaker, a vortex is generated in the liquid flowing from the heel region toward the intermediate region, Although it can exert an impact mitigating effect and a pressing effect on the sole, when it is applied to a shoe sole where the heel side is higher than the toe side, such as high heels and middle heels, it becomes difficult to generate eddy currents in the middle region during the walking process. As a result, there is a problem that the effect of reducing the impact on the sole and the pressing effect cannot be fully exhibited.

  That is, when the insole for the sole is attached to the sole with the heel side higher than the toe side, the liquid in the accommodation space is always moved to the toe area side by gravity, and the liquid is circulated from the heel area to the intermediate area. It is difficult to generate eddy currents. Also, when walking with shoes such as high heels and middle heels, unlike when walking with shoes such as sneakers, after landing from the toes, it is often kicked up on the toes. It is difficult to cause the liquid to flow into the intermediate region by pressing and generating a vortex.

  The present invention has been made in view of such circumstances, and the heel side such as high heel and middle heel is attached to the shoe sole of the shoe higher than the toe side, and the eddy current is surely and satisfactorily generated in the intermediate region during the walking process. An object of the present invention is to provide an insole for a shoe sole capable of sufficiently exerting an impact mitigating effect and a pressing effect on a sole.

According to a first aspect of the present invention, an insole comprising a flexible member which can be attached to a shoe sole and has at least a toe region and an intermediate region among a toe region, a heel region and an intermediate region located therebetween. A main body, a storage space formed in the insole main body and capable of fluidly enclosing at least between the toe region and the intermediate region and between the intermediate region and the heel region; and the storage space A shoe including at least a weir portion that is divided into the toe region , the intermediate region, and the heel region , and an orifice portion that allows the liquid to flow between adjacent regions divided by the dam portion, and the heel side is higher than the toe side The insole for the shoe sole in which the heel region is positioned higher than the toe region and the intermediate region by being attached to the sole of the shoe, and is formed in a weir portion that separates the toe region and the intermediate region Ori Office unit, said toward the arch portion located on the inner side edge of the intermediate region and the opening, with the liquid flowing from the toe region to the intermediate region may result in vortex in the middle region, the intermediate region and the heel The orifice part formed in the dam part which divides | segments an area | region is opened toward the arch part of the said intermediate | middle area | region, It is characterized by the above-mentioned .

  According to a second aspect of the present invention, in the insole for a shoe sole according to the first aspect, the insole main body is made of a flexible synthetic resin sheet.

  According to invention of Claim 1, the orifice part formed in the dam part which divides a toe area | region and an intermediate | middle area | region opens toward the arch located in the side edge part of an intermediate | middle area | region, and from the said toe | toe area | region The liquid that flows into the middle region flows along the side edges of the arch, and eddy currents can be generated in the middle region, so that the heel side such as high heels and middle heels is attached to the shoe sole of the shoe higher than the toe side, and walking In the process, a vortex can be surely and satisfactorily generated in the intermediate region, and the effect of reducing the impact on the sole and the pressing effect can be sufficiently exhibited by expanding the intermediate region by the vortex.

  According to the invention of claim 2, since the insole body is made of a flexible synthetic resin sheet, it can be satisfactorily mounted following the shape of the shoe sole of the shoe such that the heel side such as high heels and middle heels is higher than the toe side. As the liquid flows, the insole body smoothly swells in the thickness direction, and the pressing effect can be easily and reliably achieved.

Cross-sectional schematic diagram of a shoe to which an insole for a shoe sole according to an embodiment of the present invention is applied The top view which shows the positional relationship with the leg | foot which put on the shoe in the insole for the shoe sole Top view showing the insole for the shoe sole Sectional view taken along line IV-IV in FIG. The top view which shows the insole for soles which concerns on a 1st reference example The top view which shows the insole for shoe soles concerning a 2nd reference example The top view which shows the insole for shoe soles concerning a 3rd reference example The top view which shows the insole for shoe soles which concerns on other embodiment of this invention. The top view which shows the insole for shoe soles based on the other reference example of this invention The top view which shows the insole for shoe soles based on the other reference example of this invention The schematic diagram which shows the apparatus used in the experiment which shows the technical advantage of the insole for shoe soles based on embodiment of this invention.

Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
As shown in FIG. 1, the insole for a shoe sole according to the present embodiment has a heel Kb on the heel side such as a high heel or a middle heel so that the heel side is attached to the shoe sole Ka of the shoe K higher than the toe side. As shown in FIGS. 2 and 3, the insole body 1, the accommodation space formed in the insole body 1, the first dam portions (2 a, 2 b) and the second dam portion (3 a 3b) and orifice portions (R1, R2). The high heel or middle heel as the shoe K applied to the present embodiment refers to a shoe having a heel Kb height of 6 to 7 cm or more (high heel) and 3.5 to 5.5 cm (middle heel). (Heel Kb height is about 3 cm) and flat heel (heel Kb height is 1.5 cm or less).

  The insole body 1 is made of a flexible member that can be attached to a shoe sole, and has a toe region A, a heel region C, and an intermediate region B positioned therebetween, as shown in FIG. The upper insole body 1a and the lower insole body 1b are bonded or welded together to enclose a liquid therein. The upper insole body 1a and the lower insole body 1b are two flexible members (for example, rich in elasticity) having a shape substantially following the shape of the shoe sole Ra so as to be attached to the shoe sole Ra. A flexible synthetic resin sheet) is formed, and by adhering the edges to each other by, for example, heat welding while overlapping each other, a storage space for liquid-tight storage is formed inside.

  The liquid contained in the insole body 1 is an aqueous solution of a polyhydric alcohol (for example, an antifreeze obtained by mixing water and propylene glycol or the like), and the polyhydric alcohol is 5 (wt). %) To 65 (wt%) aqueous solution, particularly preferably 30 (wt%) to 60 (wt%) aqueous solution. The viscosity of the polyhydric alcohol may be in the range of 1 (CP) to 500 (CP) at room temperature, preferably about 1 (CP) to 100 (CP), more preferably about 1 (CP) to 60 (CP). preferable. In addition, the liquid accommodated in the insole body 1 may be water only (including those containing a small amount of additives) or only polyhydric alcohol.

  The first dam portions 2a, 2b and the second dam portions 3a, 3b are bonded to predetermined portions of the two insole bodies 1 (upper insole body 1a and lower insole body 1b) by, for example, heat welding, The accommodation space formed by the insole body 1 is divided into a toe region A, a heel region C, and an intermediate region B located therebetween. That is, the region corresponding to the toe portion when the insole body 1 is attached to the shoe sole Ka is the toe region A, the region corresponding to the heel portion is the heel region C, and the intermediate region is the intermediate region B. The first dam portions 2a and 2b (the dam portions that separate the toe region A and the intermediate region B) and the second dam portions 3a and 3b (the seat portions that separate the intermediate region B and the heel region C) are formed. It is.

  These dam portions 2a, 2b and 3a, 3b extend inward from the bonded edges of the upper insole body 1a and the lower insole body 1b, respectively, and the tips are spaced apart to define the orifices R1 and R2. It is composed. These orifice portions R1 and R2 are set to have a separation dimension so that the liquid existing between adjacent regions divided by the weir portions 2a, 2b and 3a, 3b flows, and the toe region A and the intermediate region B are separated from each other. The liquid can flow between the intermediate region B and the heel region via the orifice R2, and the liquid can flow between the intermediate region B and the ridge region.

  Here, the insole for the shoe sole according to the present embodiment is an orifice formed in the first dam portion (2a, 2b) that separates the toe region A and the intermediate region B as shown in FIGS. The portion R1 opens toward the arch portion Ba located inside the side edge of the intermediate region B, and the liquid that flows into the intermediate region B from the toe region A can generate a vortex in the intermediate region B. Yes. In other words, the opening of the orifice portion R1 is in the longitudinal direction of the insole body 1 because the distal end portion of the first dam portion 2a is positioned on the heel side in the longitudinal direction of the insole body 1 from the distal end portion of the first dam portion 2b. In contrast, when the load is applied to the toe region A during walking, the liquid flows in a large spiral shape in the intermediate region B as shown by the arrow in FIG. It is easy to inflate the part Ba.

  However, when the heel Kb is provided and the heel side is higher than the toe side (high heel, middle heel, etc.) as in the shoe K to which the insole for the sole of the present embodiment is applied, The body and toe are grounded almost simultaneously, so that the weight is shared between the buttocks and the toes, and then the whole weight is received at the toes by moving the weight. In comparison, it takes longer time to receive the whole weight at the toe.

  Further, in the shoe K whose heel side is higher than the toe side, when the insole for the sole is attached to the sole Ka, the liquid in the heel region C tends to accumulate on the intermediate region B side by gravity. Therefore, in this embodiment applied to high heels, middle heels, and the like, it is easier for liquid to flow from the toe region A toward the intermediate region B during the walking process than when applied to shoes with a heel that is not so high. When the liquid flows into the intermediate region B, the arch portion Ba can be expanded by causing the liquid to flow toward the arch portion Ba to generate a vortex.

  In addition, in this embodiment, since the front-end | tip part of the 2nd dam part 3a is located in the toe side in the longitudinal direction of the insole main body 1 from the front-end | tip part of the 2nd dam part 3b, it is from a toe area | region A to an intermediate | middle area | region. Part of the liquid that has flowed into B is easy to flow into the dredge region C, and part of the vortex generated in the intermediate region B during the walking process can be released to the dredge region C side, and the arch portion Ba swells excessively. It is comprised so that it can prevent.

  Thus, when walking with the shoe K to which the insole for the sole is attached, when pressure is applied to the toe region A when the sole touches the ground, the liquid flows from the orifice R1 to the intermediate region B, and the vortex flows. Therefore, the insole body 1 swells in the thickness direction of the arch portion Ba. Due to this swelling, the gap between the arch of the sole and the arch part Ba of the insole for the sole is filled, and when the weight is moved, the load due to the weight is also distributed to the arch part Ba, and the entire sole It will support your weight.

  Therefore, it is possible to realize an ideal liquid movement to a necessary part in accordance with the walking timing, so that the impact on the sole can be mitigated, and the liquid flowing from the toe region A is the intermediate region. Since the eddy current is formed in B, the arch portion Ba can be further expanded in the thickness direction, and the pressing effect on the arch of the sole can be sufficiently performed.

  According to the embodiment, the orifice R1 formed in the dam portion (first dam portion 2a, 2b) that separates the toe region A and the intermediate region B is an arch located inside the side edge of the intermediate region B. Since the liquid that opens toward the portion Ba and flows into the intermediate region B from the toe region A flows along the side edge of the arch portion Ba and can generate a vortex in the intermediate region B, high heel or middle heel Such a heel side is attached to the sole Ka of the shoe K higher than the toe side, and a vortex can be surely and satisfactorily generated in the intermediate region B during the walking process, and the effect of relaxing the impact on the sole and the pressing effect are sufficient. It can be demonstrated.

  Further, since the insole body 1 is made of a flexible synthetic resin sheet, it can be satisfactorily mounted following the shape of the shoe sole Ka of the shoe K such that the heel side is higher than the toe side, such as high heels and middle heels. With this flow, the insole body 1 can be smoothly swollen in the thickness direction, and the pressing effect can be easily and reliably produced. Note that the toe region A, the intermediate region B, and the heel region C can have any size and shape, and for example, as shown in FIG. 8, the toe region A may be set relatively large. .

Next, a first reference example will be described.
For shoe soles insole according to the present reference example, similarly to the implementation form, which consists insole (insole) which may be attached to the sole, as shown in FIG. 5, the insole body 1, intermediate The housing body 1 is configured to have a housing space, first dam portions (2a, 2b) and second dam portions (3a, 3b), and orifice portions (R1, R2). Incidentally, for shoe soles insole according to the present embodiment, similar to the implementation form, such as high heels or middle heel, that it has a heel Kb heel side, the heel side attached to the sole Ka higher shoes K than toe (See FIG. 1).

For shoe soles insole according to the present reference example, similarly to the implementation form, first dam portion (2a, 2b) for dividing the toe region A and the intermediate region B is an orifice portion R1 formed in the intermediate region B The liquid is opened toward the arch portion Ba located on the inner side of the side edge, and the liquid flowing into the intermediate region B from the toe region A can generate a vortex in the intermediate region B. In other words, the opening of the orifice portion R1 is in the longitudinal direction of the insole body 1 because the distal end portion of the first dam portion 2a is positioned on the heel side in the longitudinal direction of the insole body 1 from the distal end portion of the first dam portion 2b. In contrast, when the load is applied to the toe region A during walking, the liquid flows in a large spiral shape in the intermediate region B as shown by the arrows in FIG. It is easy to inflate the part Ba.

Here, in this reference example , the tip of the second dam portion 3b is located on the toe side in the longitudinal direction of the insole body 1 from the tip of the second dam portion 3a. The orifice portion R2 formed between the region C and the region C is open in a direction that restricts the vortex liquid generated in the intermediate region B from flowing into the soot region C. Thereby, it can suppress that the liquid which flowed into the intermediate | middle area | region B from the toe area | region A flows into the heel area | region C, and it can comprise the arch part Ba reliably in a walk process.

According to the reference example , the orifice R1 formed in the dam portion (first dam portion 2a, 2b) that separates the toe region A and the intermediate region B is an arch located inside the side edge of the intermediate region B. Since the liquid that opens toward the portion Ba and flows into the intermediate region B from the toe region A flows along the side edge of the arch portion Ba and can generate a vortex in the intermediate region B, high heel or middle heel Such a heel side is attached to the sole Ka of the shoe K higher than the toe side, and a vortex can be surely and satisfactorily generated in the intermediate region B during the walking process, and the effect of relaxing the impact on the sole and the pressing effect are sufficient. It can be demonstrated.

  Further, since the insole body 1 is made of a flexible synthetic resin sheet, it can be satisfactorily mounted following the shape of the shoe sole Ka of the shoe K such that the heel side is higher than the toe side, such as high heels and middle heels. With this flow, the insole body 1 can be smoothly swollen in the thickness direction, and the pressing effect can be easily and reliably produced. Note that the toe region A, the intermediate region B, and the heel region C can have any size and shape, and for example, as shown in FIG. 9, the toe region A may be set relatively large. .

  Further, the accommodation space is formed in the heel region C in addition to the toe region A and the intermediate region B, and the orifice portion R2 formed between the intermediate region B and the heel region C is formed in the intermediate region B. Since the generated vortex liquid is opened in a direction that restricts the flow of the vortex flow into the soot region C, the accommodation space of the soot region C can be made to function as a liquid buffer in the intermediate region B while generating a vortex in the intermediate region B. it can.

Next, a second reference example will be described.
For shoe soles insole according to the present reference example, similarly to the implementation form, which consists insole (insole) which may be attached to the sole, as shown in FIG. 6, the insole body 1, intermediate The housing body 1 is configured to have a housing space, first dam portions (2a, 2b) and second dam portions (3a, 3b), and orifice portions (R1, R2). The insole for the sole according to the present embodiment has a heel Kb on the heel side such as a high heel and a middle heel, as in the embodiment and the first reference example , so that the heel side is higher than the toe side. It can be attached to the shoe sole Ka (see FIG. 1).

The insole for a shoe sole according to the present reference example is an orifice portion R1 formed in the first dam portion (2a, 2b) that separates the toe region A and the intermediate region B as in the embodiment and the second reference example. However, it opens toward the arch Ba located inside the side edge of the intermediate region B, and the liquid that has flowed into the intermediate region B from the toe region A can generate a vortex in the intermediate region B. In other words, the opening of the orifice portion R1 is in the longitudinal direction of the insole body 1 because the distal end portion of the first dam portion 2a is positioned on the heel side in the longitudinal direction of the insole body 1 from the distal end portion of the first dam portion 2b. In contrast, when the load is applied to the toe region A during walking, the liquid flows in a large spiral shape in the intermediate region B as shown by the arrow in FIG. It is easy to inflate the part Ba.

Here, in the present reference example , a buffer region D is formed at a position adjacent to the intermediate region B (the buttock side). The buffer region D is composed of a housing space that is smaller than the heel portion G of the sole, and the distal end portion of the second dam portion 3b is longer in the longitudinal direction of the insole body 1 than the distal end portion of the second dam portion 3a. Since it is located on the toe side, the orifice portion R2 formed between the intermediate region B and the buffer region D restricts the flow of vortex liquid generated in the intermediate region B into the buffer region D. Is open.

  As a result, it is possible to suppress the liquid flowing into the intermediate region B from the toe region A from flowing into the buffer region D, and to reliably inflate the arch portion Ba in the walking process, and in the middle of the walking process. Part of the vortex generated in the region B can be released to the buffer region D side, and the arch arch portion Ba can be prevented from being excessively swollen. In addition, it is preferable to form the elastic member which consists of materials, such as urethane, a silicon | silicone, rubber | gum, a gel, for example in the heel part G, and the impact provided to the heel part G of a sole can be absorbed by the said elastic member. it can.

According to the reference example , the orifice R1 formed in the dam portion (first dam portion 2a, 2b) that separates the toe region A and the intermediate region B is an arch located inside the side edge of the intermediate region B. Since the liquid that opens toward the portion Ba and flows into the intermediate region B from the toe region A flows along the side edge of the arch portion Ba and can generate a vortex in the intermediate region B, high heel or middle heel Such a heel side is attached to the sole Ka of the shoe K higher than the toe side, and a vortex can be surely and satisfactorily generated in the intermediate region B during the walking process, and the effect of relaxing the impact on the sole and the pressing effect are sufficient. It can be demonstrated.

  Further, since the insole body 1 is made of a flexible synthetic resin sheet, it can be satisfactorily mounted following the shape of the shoe sole Ka of the shoe K such that the heel side is higher than the toe side, such as high heels and middle heels. With this flow, the insole body 1 can be smoothly swollen in the thickness direction, and the pressing effect can be easily and reliably produced. Note that the toe area A, the intermediate area B, and the buffer area D can be of any size and shape, and for example, as shown in FIG. 10, the toe area A may be set relatively large. .

  Further, the accommodation space is formed in the buffer region D in addition to the toe region A and the intermediate region B, and the orifice portion R2 formed between the intermediate region B and the buffer region D is formed in the intermediate region B. Since the generated vortex liquid is opened in a direction that restricts the flow of the vortex liquid into the buffer region D, it is possible to cause the accommodation space of the buffer region D to function as a liquid buffer in the intermediate region B while generating a vortex in the intermediate region B. it can.

Next, a third reference example will be described.
For shoe soles insole according to the present reference example, similarly to the implementation form, which consists insole (insole) which may be attached to the sole, as shown in FIG. 7, the insole body 1, intermediate It has a housing space formed in the laying body 1, dam portions 2a and 2b, and an orifice portion R1. The insole for the shoe sole according to the present reference example has a heel Kb on the heel side such as a high heel and a middle heel, as in the embodiment and the second and third reference examples , so that the heel side is higher than the toe side. It can be attached to the shoe sole Ka of K (see FIG. 1).

The insole for a shoe sole according to the present reference example is an orifice portion R1 formed in a weir portion (2a, 2b) that separates the toe region A and the intermediate region B as in the embodiment and the first and second reference examples. However, it opens toward the arch Ba located inside the side edge of the intermediate region B, and the liquid that has flowed into the intermediate region B from the toe region A can generate a vortex in the intermediate region B. In other words, the tip of the dam portion 2a is positioned on the heel side in the longitudinal direction of the insole body 1 from the tip of the dam portion 2b, so that the opening of the orifice R1 is on the side of the longitudinal direction of the insole body 1. When the load is applied to the toe region A during walking, the liquid flows in a large spiral shape in the intermediate region B as shown by the arrow in FIG. 7 to expand the arch portion Ba. It is easier.

Here, in this reference example , the storage space is not formed in the heel part G of the sole, but the elastic member H is formed. Such an elastic member H is preferably made of urethane, silicon, rubber, gel or the like, and can absorb an impact applied to the heel G of the sole by the elastic member H. The elastic member H may be bonded to the insole for the sole, or may be simply placed on a portion corresponding to the heel portion G of the sole in the sole.

  Thereby, in the walking process, the impact applied to the buttocks G can be absorbed by the elastic member H, and when pressure is applied to the toe region A at the time of sole contact, the orifice R1 moves to the intermediate region B. Since the liquid flows and forms a vortex, the insole body 1 swells in the thickness direction of the arch portion Ba, and a pressing effect on the arch of the sole can be sufficiently performed. According to the present embodiment, since the housing space is not formed in the collar portion G and the elastic member H is formed, the impact applied to the collar portion can be surely softened by the elastic member H.

Next, an experimental result for demonstrating the effect of the insole for the shoe sole will be described.
In this experiment, as shown in FIG. 11, the insoles I (specifically , the actual insoles) on the sole Ka of a women's pumps K (middle heel) having a heel Kb height of 5 cm and a size of 24 cm. An insole for shoe soles having the same shape as the embodiment, wherein the material of the insole body 1 is polyvinyl chloride, the thickness is 0.6 mm, and the liquid sealed in the accommodation space is water containing 40% propylene glycol. The thin leather sheet L and the sensor sheet S were laminated in that order. This sensor sheet is referred to as an F-scan (manufactured by Nitta Co., Ltd.) that can measure the sole contact area and the sole pressure.

  Then, let 9 healthy subjects wear the shoe K with the insole I and the shoe K without the insole I, and walk on the treadmill at a speed of about 60 m / min. Thus, the respective measured values of the sole contact area and the sole pressure when the insole I is attached, and the sole contact area and the sole pressure when the sole I is not installed, It was decided to calculate the average value of the measured values of 9 subjects. The results are shown below.

If a case is not wearing the insole I shoe sole for A, and B the case of mounting the insole I for shoe soles, soles entire contact area, A is 64.4Cm ^2, B is located in 93.5Cm ² B / A was 1.5. Moreover, the sole ground contact area in the arch portion Ba, A is 2.5 cm ^2, B is 18.3 cm ^2, B / A was 13.1. Furthermore, the maximum foot pressure at the time of buttock contact was 214.6 kPa for A, 131.7 kPa for B, and 0.67 for B / A. Furthermore, the maximum foot pressure at toe part takeoff was 365.3 kPa for A, 323.9 kPa for B, and 0.98 for B / A.

  From the above results, the foot contact area at the arch portion Ba is 10 times or more when the shoe sole insole I is worn, and the effect of supporting the arch portion Ba with the liquid is greater. It can be seen that it is extremely expensive. In addition, the maximum foot pressure when the heel is touched is 67% when the insole I for wearing the shoe sole is worn, and when the heel Kb is 5 cm, the liquid reaches the buttock. It can be seen that the maximum foot pressure at the buttocks is reduced by about 30%.

As mentioned above, although this embodiment was described, this invention is not limited to these, For example, the material of the insole main body 1, the kind of liquid enclosed in accommodation space, etc. can be changed arbitrarily .

The orifice part formed in the weir part that separates the toe region and the intermediate region opens toward the arch located inside the side edge of the intermediate region, and the liquid that has flowed into the intermediate region from the toe region Whilst eddy currents can be generated in the region, the orifice part formed in the weir part that separates the intermediate region and the heel region has a different appearance if it is an insole for a shoe sole that opens toward the arch in the intermediate region The present invention can also be applied to a device or other devices to which other functions are added.

DESCRIPTION OF SYMBOLS 1 Insole body 2a, 2b 1st dam part 3a, 3b 2nd dam part A Toe area | region B Middle area | region C heel area | region K Shoes (high heel or middle heel)

Claims (2)

An insole body made of a flexible member that is attachable to a shoe sole and has at least a toe region and an intermediate region among a toe region, a heel region, and an intermediate region located therebetween,
An accommodation space formed in the insole body and capable of enclosing a fluid in a flowable manner at least between the toe region and the intermediate region and between the intermediate region and the heel region ;
A weir portion that divides the housing space into at least the toe region , the intermediate region, and the heel region ;
An orifice part that allows the liquid to flow between adjacent areas separated by the weir part;
An insole for a shoe sole in which the heel region is positioned higher than the toe region and the intermediate region by being attached to the shoe sole of the shoe higher than the toe side,
The orifice portion formed in the weir portion that divides the toe region and the intermediate region opens toward the arch located inside the side edge of the intermediate region, and the liquid that has flowed into the intermediate region from the toe region A vortex may be generated in the intermediate region, and an orifice portion formed in a weir portion that divides the intermediate region and the heel region opens toward the arch portion of the intermediate region . Insole.   The insole for an insole according to claim 1, wherein the insole body is made of a flexible synthetic resin sheet.

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