JP2009279327A - Insole for footwear - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate and ensure positional adjustment and positioning of functional members with respect to the sole of the foot. <P>SOLUTION: A hook-and-loop fastener is muonted on a lower sheet 1 and an upper sheet 2 to make both sheets freely attachable and detachable. In the upper sheet 2, notches 2a, 2b are formed in a manner deeply curved inward from the heel part X to the proximal end parts of the first and fifth metatarsus B1, B5. In the lower sheet 1, a hole 1a is formed in a part W of the sole of the foot from the distal ends of the second and third metatarsus B2, B3 to the second and third interphalangeal joints C2, C3. In both sheets 1, 2, a second functional member 10 is attached to the hole 1a and also a first functional member 5 is muonted in a manner turning up from the notches 2a, 2b of the upper sheet 2. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an insole for footwear that is inserted into footwear such as shoes and boots, and has an effect of massaging the sole during walking and reducing the impact from the ground on the sole.

Conventionally, as insoles for footwear, those that stimulate the acupoints of the soles to massage the soles and mitigate the impact of the soles on the ground from the ground have been put on the market. An insole for footwear that supports the sole of the foot is proposed so that the line is not crushed. As this type of insole for footwear, for example, a lower sheet formed according to the shape of the sole and an upper sheet formed in the same shape as the lower sheet are configured to be detachable from each other by a hook-and-loop fastener It is known that a functional member having a convex shape suitable for supporting a sole is inserted between the two sheets (Patent Document 1). In the insole for footwear, a hook-and-loop fastener is provided on the back surface of each functional member so that it can be attached to and detached from the lower sheet. It arranges according to the position of the part.
JP 2003-88405 A

  However, in the insole for footwear of the above-mentioned publication, when it is noticed that the position of each functional member arranged on the lower seat is shifted from a desired position when walking, each functional member by the upper seat Therefore, it is necessary to disassemble the upper sheet, the lower sheet and each functional member in order to adjust the position of each functional member. This work takes time. And since it is the attachment-and-detachment structure by a hook-and-loop fastener, it is thought that delicate position adjustment of each functional member with respect to a lower sheet | seat is difficult.

  In addition, the lower seat has no means of displaying the midfoot, sole arch, or heel position of the sole, so it functions on the sole of the foot that has a medically known effect. When it is desired to fix the sex member, it is necessary to align the lower sheet and the sole while illuminating them, which is considered to be complicated.

  In view of the above problems, an object of the present invention is to provide an insole for footwear capable of easily and reliably adjusting the position and positioning of a functional member with respect to a sole.

  In order to solve the above-mentioned problems, an insole for footwear according to the present invention comprises a lower sheet 1 formed according to the shape of a sole and an upper sheet 2 formed in the same shape as the lower sheet 1. In an insole for footwear, which is configured to be detachable and in which functional members 5 and 10 that support the soles are interposed between the sheets 1 and 2, a function is provided on at least one of the sheets 1 and 2. At least one of the notches 2a and 2b and the hole 1a for positioning and / or adjusting the position of the sex members 5 and 10 is formed.

  In this case, if the functional members 5 and 10 are inserted based on the notches 2a and 2b or the holes 1a formed in at least one of the two sheets 1 and 2, the positioning can be easily performed. Further, in the notches 2a and 2b, as shown in FIG. 4, the functional member 5 can be positioned based on the notches 2a and 2b, and the position of the functional member 5 is visually observed from the notches 2a and 2b. You can make adjustments. In the hole, if the holes are formed instead of the notches 2a and 2b shown in FIG. 4, both the positioning and the position adjustment of the functional members 5 and 10 can be performed similarly to the notches 2a and 2b. If it is formed as shown in Fig. 4, only positioning can be performed. You may make it combine a notch and a hole.

  Further, according to the present invention, the notches 2a and 2b are connected to the soles of at least one of the upper sheet 2 and the lower sheet 1 from the distal end of the foot rib A1 to the proximal end of the first metatarsal B1. Curved toward the inside of the sole at a position corresponding to at least one of the side of the sole and the side of the sole from the distal end of the rib A1 to the proximal end of the fifth metatarsal B5 You may make it form so.

  In this case, the notch 2a is placed on one side of the sole (inner side of the midfoot Y) from the distal end of the foot rib A1 to the proximal end of the first metatarsal B1. If it forms so that it may curve deeply as it goes inside, the functional member 5 will be visible through the notch 2a, and will contact | abut to the inner side part of the middle foot part (arch) Y. Further, the notch 2b is placed on the other side of the sole (outside of the middle foot Y) from the distal end of the foot rib A1 to the proximal end of the fifth metatarsal B5, If it forms so that it may curve deeply as it goes to, it will contact | abut to the outer side part of the midfoot part Y while the functional member 5 can be visually observed through the notch 2b. The position of the functional member 5 can be adjusted via the notches 2a and 2b, and the arch structure of the middle foot portion Y is maintained by supporting both sides of the sole with the functional member 5. By maintaining this arch structure, the force on the foot is absorbed and dispersed, and it is possible to prevent disorders such as plantar aponitis and radial spines. In addition, you may make it support any one side part in the midfoot part Y with the functional member 5 according to liking.

  Further, according to the present invention, the functional member 5 is constituted by the thin plate-like bag-like portion 8 that compresses and expands when the fluid 9 enclosed inside flows according to the movement of the foot, The part 8 includes the heel part X of the sole, both sides of the sole from the distal end of the rib A1 to the proximal ends of the first and fifth metatarsals B1 and B5, and the first to fifth metatarsals. The soles of B1 to B5 are individually provided so as to be positioned in at least one part of the middle foot part (arch) Y of the soles in parallel, or provided so as to be continuous with at least two parts, Alternatively, the bag-like portions 8 located on both sides may be located in the notches 2a and 2b.

  In this case, the fluid 9 enclosed in the bag-like part 8 moves due to the movement of the foot during walking, and the part of the sole that is in contact with the bag-like part 8, the heel part X of the sole , Feet on both sides of the sole from the distal end portion of the rib A1 to the proximal end portions of the first and fifth metatarsals B1 and B5, and the proximal end portions of the first to fifth metatarsals B1 to B5 in parallel At least one portion of the back midfoot portion Y is massaged by the moving fluid 9. Therefore, blood circulation in the part of the sole that is in contact with the bag-like portion 8 is promoted, and swelling can be eliminated. Moreover, if the bag-like part 8 is provided only at the position of the collar part X, the impact from the ground on the collar part X will be reduced. Moreover, if the bag-like part 8 is provided in the metatarsal part Y, the proximal end parts (alignment of the Lisfranc joint S) of the first to fifth metatarsals B1 to B5 arranged in parallel can be maintained in an arch shape. It is possible to protect the foot from the various obstacles described above.

  Further, the bag-like portion 8 is formed in a substantially L shape, and one side portion of the sole from the heel portion X to the proximal end portion of the first metatarsal bone B1, and the base of the fifth metatarsal bone B5 from the heel portion X. The other side of the sole from the end, the midfoot Y to the first metatarsal B1, the part of the sole from the inside of the buttocks X, the midfoot Y to the fifth metatarsal B5, the buttocks You may make it contact | abut to the site | part of the sole over the outer side part of X. FIG. Further, the bag-like portion 8 may be formed in a substantially U-shape, and may contact the sole portion from the heel portion X to the first metatarsal bone B1 and the front portion of the middle foot portion Y. The fifth metatarsal B5 may contact the part of the sole on the front of the midfoot Y, and the sole of the sole from the front of the midfoot Y to the first metatarsal B1 and the buttocks X You may contact | abut to a site | part, and you may contact | abut to the site | part of the sole from the front part of the middle leg part Y to the 5th metatarsal bone B5 and the buttocks X. Further, the bag-like portion 8 may be formed in an annular shape so as to abut on the heel part X, the first metatarsal bone B1, the front part of the metatarsal part Y, and the sole part of the fifth metatarsal bone B5. . The point is that the contact area with the sole can be expanded by the bag-like portion 8, and the rib A1 can be stably supported in an upright state, or the arch structure V of the arch can be supported, so Help prevent failures.

  Further, according to the present invention, the hole 1a is formed in at least one of the upper sheet 2 and the lower sheet 1 from the distal ends of the second and third metatarsals B2 and B3 to the second and third metatarsal joints. The second and third metatarsal joints C2, C2 and C3 are located at locations corresponding to the sole part W of the soles C2 and C3, and increase toward the distal ends of the second and third metatarsals B2 and B3. It is also possible to select a configuration that is formed so as to become smaller toward the C3 side.

  In this case, when walking, the hole 1a is formed in the sole portion W of the sole from the distal end of the second and third metatarsals B2 and B3 to which the load is applied to the second and third metatarsal joints C2 and C3. By forming the functional member 10, the functional member 10 can be inserted into the hole 1a.

  Further, according to the present invention, the functional member 10 is made of a buffer member, and at least one of the locking portion 10b that can be inserted into and removed from the hole 1a, and the upper sheet 2 and the lower sheet 1, The support portion 10a that supports the sole portion W from the distal end of the third metatarsals B2 and B3 to the second and third metatarsal joints C2 and C3 may be configured. .

  In this case, the functional member 10 is made of a cushioning member, and the sole part from the distal ends of the second and third metatarsals B2 and B3 to the second and third metatarsal joints C2 and C3 Since W and the entire surface are supported, the impact and load can be dispersed, so that it becomes easy to walk and fatigue is reduced. Further, by changing the thickness of the support portion 10a of the functional member 10, the front volume inside the footwear can be changed, and the width (foot circumference) can also be adjusted.

  As described above, since the insole for footwear of the present invention is formed with at least one of a notch and a hole in at least one of the upper sheet and the lower sheet, the functionality inserted between the both sheets The member can be easily positioned based on the notch or the hole. Further, since the functional member can be visually observed from the notch or the hole, the position adjustment can be easily performed. That is, the functional member can be easily and reliably positioned and / or adjusted in a suitable position on the sole.

  Hereinafter, an insole for footwear according to an embodiment of the present invention will be described with reference to the accompanying drawings. Since the insole for footwear is symmetrical, only one of the insole is illustrated and described, and the description of the other is omitted.

  First, before describing the insole for footwear according to the present embodiment, the structure of the foot will be described with reference to FIG. In the bone of the foot, the tarsal bone A having the rib A1, the metatarsal B provided with the first to fifth metatarsals B1 to B5 juxtaposed in front of the tarsal bone A, and the metatarsal It is divided into three groups with the phalange C having the first to fifth metatarsal joints C1 to C5 at the tip of B.

  In the sole of the foot, based on the structure of the foot bone, the heel part X at the position of the rib A1, and the metatarsal part (arch) Y at the position of the metatarsal bone B from the front part of the tarsal bone A; The toe portion Z where the phalange C is located is divided into three groups. Further, a portion from the hip portion X to the distal end portion of the first metatarsal bone B1 is referred to as an inner longitudinal arch line R1, and a portion from the hip portion X to the distal end portion of the fifth metatarsal bone B5 is referred to as an outer longitudinal arch line. The region connecting the distal end portion of the first metatarsal bone B1 and the distal end portion of the fifth metatarsal bone B5 is referred to as a lateral arch line R3, and the arch Y is defined by the longitudinal arch lines R1, R2 and the lateral arch line R3. An arch structure V is formed. In addition, this arch structure V may say the site | part of the Lisfranc joint S where the base end part of each metatarsal B1-B5 parallels. The arch structure V plays a role like a cushion that absorbs and disperses the force applied to the foot, and when the arch structure V collapses, various disorders such as plantar aponeuritis and radial spine are caused. It is generally known. For this reason, it is regarded as important to maintain the shape of the arch structure V by arranging a first functional member 5 to be described later on the midfoot Y of the sole.

  Also, the site W of the sole from the tip of the second and third metatarsals B2 and B3 to the second and third metatarsal joints C2 and C3 has a load (body pressure when standing on the toes) And the impact from the ground) is generally known to be a part concerned.

  Next, an insole for footwear according to the present embodiment will be described with reference to FIGS. 1 (a), 1 (b) and FIG. The insole for footwear is a first sheet and a second sheet that are interposed between the lower sheet 1, the upper sheet 2 that is detachably superimposed on the lower sheet 1, and both the sheets 1 and 2, and that support the soles. It consists of functional members 5 and 10.

  The lower sheet 1 is supported by the metatarsals B1 to B5 from the contour line of the sole, that is, the arcuate part of the heel part X, through the inner and outer arcuate parts of the midfoot part (arch) Y. It is formed in a circular arc shape so as to cover the tip of the toe part Z, and becomes wider as it goes toward the foot part Y, and becomes narrower toward the toe part Z side. The upper surface of the lower sheet 1 is provided with surface fasteners (not shown), and is configured such that both sheets 1 and 2 are detachable from each other by a surface fastener of the upper sheet 2 described later. ing. In addition, a lower part of the front side of the lower seat 1, that is, a part of the sole from the distal ends of the second and third metatarsals B2 and B3 to the second and third metatarsal joints C2 and C3, which will be described later. A hole 1a to which the bifunctional member 10 is attached is formed.

  The hole 1a is substantially egg-shaped, that is, it becomes larger toward the distal end side of the second and third metatarsals B2 and B3, and becomes smaller toward the second and third metatarsal joints CS and C3 side. It is formed to become. If it demonstrates in detail, the outline of the hole 1a will incline ahead as it goes to the 1st metatarsophalangeal joint C1 side as a whole. That is, the support portion 10a of the second functional member 10 protruding from the hole 1a extends from the distal end portion of the second and third metatarsals B2 and B3 to the joints C2 and C3 between the second and third metatarsal joints. It is formed so as to easily support the portion W of the sole of the foot.

  The upper sheet 2 has substantially the same shape as the lower sheet 1, and is formed with notches 2a and 2b in which the first functional members 5 that support the portions of the two vertical arch lines R1 and R2 described above are located.

  The notches 2a and 2b are feet extending from the distal end of the foot rib A1 to the proximal end of the first metatarsal B1 and from the distal end of the foot rib A1 to the proximal end of the fifth metatarsal B5. It is formed on both sides of the back so as to bend deeper toward the inside of the sole. That is, a bag-like portion 8 of the first functional member 5 to be described later comes out from the notches 2a and 2b, and the position of the first functional member 5 can be easily observed by visually observing the protruding portion. In addition, the position can be reliably adjusted.

  In addition, it is preferable to select the material which has a deodorizing and antibacterial material for both the sheets 1 and 2 at the time of summer or the rainy season, and to select the material which is not stuffy and has a heat retaining property in winter or cold regions. Moreover, although the attachment and detachment of the both sheets 1 and 2 are performed by the hook-and-loop fastener, the attachment and detachment by a fastener may be used.

  The first functional member 5 is welded to the positioning sheet 6 formed in a flat plate shape and in an annular shape so that the frictional resistance with respect to the lower sheet 1 is increased, and the inner peripheral edge and the outer peripheral edge of the positioning sheet 6. The support sheet 7 having substantially the same shape as the positioning sheet 6, the annular thin plate-like bag-like portion 8 formed by welding the two sheets 6 and 7, and the bag-like portion 8 are enclosed. It is comprised with the fluid 9.

  As described above, the support sheet 7 is formed by annularly forming a shallow concave recess for enclosing the fluid 9 therein, and the positioning sheet 6 and the inner and outer peripheral edges of the support sheet 7 are welded. An annular bag-shaped portion 8 is formed along the housing recess.

  The positioning sheet 6 and the support sheet 7 are formed of a synthetic resin sheet that is compressed and expanded by the movement of the foot. In the inner space 5a of the inner peripheral edge of the positioning sheet 6 and the support sheet 7, the surface fasteners of the lower sheet 1 and the upper sheet 2 are bonded, so that the first functional member 5 is not displaced by the movement of the foot. It is configured.

  The bag-like part 8 elastically supports the arch structure V by the above-described vertical arch lines R1 and R2 and the horizontal arch line R3 by enclosing the fluid 9 therein (see FIG. 5). That is, by bringing the bag-shaped portion 8 into surface contact with the sole, the contact area with the sole is expanded and the foot heel is stably supported in an upright state, while the bag-shaped portion 8 has the arch structure V. By supporting the body pressure, the body pressure related to the arch structure V is dispersed, and even when walking for a long time, there is little fatigue and it is easy to walk.

  Further, the bag-like portions 8 on both sides supporting both the vertical arch lines R1 and R2 have the same curved portions as the curved portions of the notches 2a and 2b, and the bag is formed with respect to the curved portions of the notches 2a and 2b. If the first functional member 5 is inserted along the curved portion of the shape portion 8, it can be easily fixed at a desired position. In other words, the curved portions serve as a positioning reference when the first functional member 5 is inserted.

  And, according to the movement of the foot during walking, that is, in a state where the person is standing upright, body pressure is equally applied to the bag-like portion 8, and when walking from this state, the weight is first applied to the toe portion Z side. Starts moving, and the heel portion X moves away from the support sheet 7, while the fluid 9 pushed to the toe portion Z side moves to the heel portion X side to form a bag-like shape on the heel portion X side. Part 8 expands. Next, when the heel part X lands, the bag-like part 8 on the heel part X side is compressed, the weight moves from the heel part X side to the toe part Z, and the front side part of the bag-like part 8 expands. By repeating such an operation, the bag-shaped portion 8 can massage the soles of the feet.

  As the fluid 9, glycerin is used in consideration of being safe when leaking from the bag-like portion 8 and being a material that hardly evaporates and hardly freezes.

  The second functional member 10 is made of latex and has substantially the same shape as the hole 1a, and is formed on a flat plate-like support portion 10a having a thickness of about 2 to 3 mm and on the back surface of the support portion 10a. The support portion 10a has a reduced convex locking portion 10b.

  Then, the second functional member 10 supports the sole portion W of the sole from the distal ends of the second and third metatarsals B2 and B3 to the second and third metatarsal joints C2 and C3, The impact from the ground on the part W is reduced. The locking portion 10b may be formed in an annular shape, and the locking portion 10b and the support portion 10a may have the same shape. Further, the shape of the support portion 10a is not limited to the illustrated shape, and may be, for example, a trapezoidal shape, an elliptical shape, or a pentagonal shape. In short, what is necessary is just to have a shape which can support the site | part W of the said sole in the position of the hole 1a, without detaching | leave from the hole 1a.

  Next, the usage mode will be described. First, the tip of the upper sheet 2 is fixed to the tip of the lower sheet 1, the second functional member 10 is attached to the hole 1a, and the first functional member 5 is disposed in the vicinity of the middle foot Y. In this state, the upper sheet 2 is overlapped with the lower sheet 1, and both the sheets 1 and 2 are temporarily fixed.

  Then, while visually observing the first functional member 5 from the notches 2a and 2b, the position of the curved portion of the first functional member 5 is adjusted along the curved portions of the notches 2a and 2b of the upper sheet 2, and thereafter The first functional member 5 is fixed in position by fixing both sheets 1 and 2 in the inner space 5a of the inner peripheral edge of the first functional member 5.

  Then, both the sheets 1 and 2 integrated through the first and second functional members 5 and 10 are inserted into the footwear.

  In the above embodiment, the notches 2a and 2b are formed on both sides of the upper sheet 2, but either one may be used. In this case, the 1st functional member 5 is provided with the bag-shaped part 8 which supports any one vertical arch line. However, considering the massage effect, it is preferable to form the cutouts 2a and 2b formed in a curved manner on both sides. Moreover, you may form a substantially meniscus hole instead of the notches 2a and 2b formed curved. In any case, since the position of the first functional member 5 can be visually observed, the position adjustment is easy, and the first functional member 5 can be easily positioned based on the notches 2a and 2b and the holes.

  In the embodiment, the hole 1a is formed in the lower sheet 1, but it may be formed in the upper sheet 2 or may be formed in both sheets 1 and 2.

  Moreover, in the case of the said embodiment, although glycerin was used as the fluid 9 of the 1st functional member 5, when it leaks from the bag-like part 8, it should be safe, it is hard to evaporate and it is hard to freeze. Anything is fine. The first functional member 5 may be made of a material such as latex, elastomer resin, EVA resin, foam rubber, urethane rubber, etc. without enclosing the fluid 9.

  Moreover, in the case of the said embodiment, the 1st functional member 5 is not limited to illustration, For example, it is in the individual position of the heel part X of the sole, the midfoot part (arch) Y, and the toe part Z, for example. The bag-like portion 8 may be arranged, or as shown in FIG. 6, the bag-like portion 8 may be arranged so as to support the vertical arch lines R1 and R2 from the collar portion X.

  In the case of the above embodiment, latex is used as the material of the second functional member 10, but any material can be used as long as it is difficult to stuffy, slippery, and absorbs shock, for example, made of elastomer resin, EVA resin, foam It may be rubber or urethane rubber.

  Moreover, in the case of the said embodiment, although the 1st functional member 5 was arrange | positioned to the notches 2a and 2b and the 2nd functional member 10 was arrange | positioned to the hole 1a, the 2nd functional member 10 was notched. The first functional member 5 may be formed so that it can be disposed in the holes 1a. In this case, needless to say, the first and second functional members 5 and 10 are formed so as to correspond to the holes 1a and the notches 2a and 2b.

  In the case of the above embodiment, the inner space 5a of the inner peripheral edge of the first functional member 5 is used as the positioning means of the first functional member 5, but the surface fastener of the lower sheet 1 corresponds. You may make it form the recessed part for positioning the 1st functional member 5 in a position. Further, this recess may be formed on the entire upper surface of the lower sheet 1. In this case, the functional member produced in various shapes can be inserted at a desired position of the concave portion of the lower sheet 1, and the functional member 5 is positioned by contact with the surface fastener.

  Moreover, in the case of the said embodiment, the hole 1a is formed in the lower sheet | seat 1, and the 1st functional member 5 which enclosed the fluid between the both sheets 1 and 2 and the 2nd functional member 10 are inserted. However, as shown in FIG. 7, the distance increases toward the distal ends of the second and third metatarsals B2 and B3, and increases toward the proximal ends of the second and third metatarsals B2 and B3. The hole 1a ′ is formed so as to become smaller as it goes, and the hole 1b ′ is larger at the position of the heel portion X toward the proximal end side of the rib A1 and smaller toward the distal end side. And functional members 5 ′ and 10 ′ having shapes corresponding to the holes 1a ′ and 1b ′, respectively, may be made of an elastomer resin (see FIG. 8). The functional member 5 ′ is formed to be slightly larger than the hole 1b ′, and the support portion 5a ′ that supports the flange portion X and the support portion 5a ′ are formed on the back surface of the support portion 5a ′ in a reduced size. And a locking portion 5b 'engaged with the hole 1b'. On the other hand, the functional member 10 ′ is formed slightly larger than the hole 1 a ′, and the support portion 10 a ′ supporting the arch structure V and the support portion 10 a ′ are reduced on the back surface of the support portion 10 a ′. And a locking portion 10b ′ that engages with the hole 1a ′. In this case, the impact of the collar portion X can be reduced by the functional member 5 ′, and the arch structure V can be maintained by the functional member 10 ′. The functional members 5 ′ and 10 ′ may be made of foam rubber, EVA resin, or urethane rubber.

  In the case of the above embodiment, in the sole of the foot, the sole portion W from the tip of the second and third metatarsals B2 and B3 to the second and third metatarsal joints C2 and C3, that is, When standing on the toes, the plate-like second functional member 10 is provided at the most weight-related part W on the sole, but the second so that the point called “spring” in oriental medicine can be pressed. In addition, a second functional member formed in a hemispherical shape may be provided at the site of the soles behind the distal ends of the third metatarsals B2 and B3. The term “spring” as used herein means that when the toes are bent to the heel side (inside), the soles are located on the soles behind the distal ends of the second and third metatarsals B2 and B3. A “human” character is formed, and is a recess formed at the intersection. It is generally known that stimulating this "spring" (acupoint) has an effect on recovery from fatigue.

(A) is a top view of the lower sheet | seat insole for footwear which concerns on one Embodiment of this invention, (b) is a top view of an upper sheet | seat. The top view of the 1st functional member which is inserted in the lower sheet | seat and the upper sheet | seat, and protrudes from the notch of an upper sheet | seat. The rear view of the 2nd functional member inserted in the hole of a lower sheet | seat and the upper sheet | seat, and is attached. The disassembled perspective view of the insole for footwear which concerns on one Embodiment of this invention. The side sectional view in the state where the first functional member supports the sole. The top view which showed the modification of the 1st functional member. The top view which showed the modification of the lower sheet | seat. The top view of the functional member corresponding to the lower sheet | seat of FIG. FIG. 6 is a structural diagram of a foot including a longitudinal arch line and a lateral arch line on both sides supported by a first functional member, and a portion of a sole on which the most load is supported supported by a second functional member.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1,1 '... Lower sheet, 1a, 1a', 1b '... Hole, 2 ... Upper sheet, 5, 5', 10, 10 ', 50 ... Functional member, 5a ... Inner space, 6,60 ... Positioning sheet 7, 70 ... support sheet, 8, 80 ... bag-like part, 9 ... fluid, 10a ... support part, 10b ... locking part, A ... tarsal bone, A1 ... rib, B ... metatarsal bone, B1 ... 1st metatarsal bone, B5 ... 5th metatarsal bone, B2 ... 2nd metatarsal bone, B3 ... 3rd metatarsal bone, B5 ... 5th metatarsal bone, C ... Finger bone, C1 ... 1st metatarsal foot Internode joint, C2 ... Second metatarsophalangeal joint, C3 ... Third metatarsophalangeal joint, C5 ... Fifth metatarsophalangeal joint, R1, R2 ... Vertical arch line, R3 ... Horizontal arch line , S ... Lisfranc joint, V ... arch structure, W ... foot part from the tip of the second and third metatarsals B2, B3 to the second and third metatarsal joints C2, C3, X ... buttocks, Y ... middle foot, Z ... Toes

Claims (5)

  A lower sheet (1) formed according to the shape of the sole and an upper sheet (2) formed in the same shape as the lower sheet (1) are configured to be detachable from each other, and both the sheets ( In the insole for footwear in which the functional member (5, 10) for supporting the sole is interposed between the functional members (5, 10) on at least one of both sheets (1, 2). An insole for footwear, wherein at least one of a notch (2a, 2b) and a hole (1a) for positioning and / or position adjustment is formed.   The notches (2a, 2b) extend from the distal end portion of the foot rib (A1) to the proximal end portion of the first metatarsal bone (B1) in at least one of the upper sheet (2) and the lower sheet (1). On the side of the sole of the foot and the location corresponding to at least one of the side of the sole from the distal end of the rib (A1) to the proximal end of the fifth metatarsal (B5) The insole for footwear according to claim 1, wherein the insole is formed so as to bend deeply toward the inside.   The functional member (5) has a thin plate-like bag-like portion (8) that compresses and expands when the fluid (9) sealed inside flows according to the movement of the foot, and the bag-like portion (8) is the sole (X) of the sole, both sides of the sole from the distal end of the rib (A1) to the proximal end of the first and fifth metatarsals (B1, B5), and The proximal end portions of the first to fifth metatarsals (B1 to B5) are individually provided so as to be located in at least one portion of the midfoot portions (Y) of the soles in parallel, or at least in two portions The insole for footwear according to claim 2, wherein bag-like portions (8) provided so as to be continuous and located on both sides of the sole are located in the notches (2a, 2b).   The hole (1a) is formed between at least one of the upper sheet (2) and the lower sheet (1) from the distal end of the second and third metatarsals (B2, B3) to the second and third metatarsal joints. The second and third metatarsal joints are larger at the positions corresponding to the sole parts over the joints (C2, C3) toward the distal end side of the second and third metatarsals (B2, B3). The insole for footwear according to any one of claims 1 to 3, wherein the insole is formed so as to become smaller toward a facet joint (C2, C3) side.   The functional member (10) is made of a buffer member, and at least one of an engaging portion (10b) that can be inserted into and removed from the hole (1a), and the upper sheet (2) and the lower sheet (1). , A support portion (W) that supports the entire area of the sole (W) from the distal end of the second and third metatarsals (B2, B3) to the second and third metatarsal joints (C2, C3) ( The insole for footwear according to claim 4, characterized in that:

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