JP2018094012A - Shoe - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shoe excellently holding a shoe string tightening state in the shoe capable of holding tightening even without tying the shoe string.SOLUTION: A shoe constituted of a shoe body part 1 and a shoe string 3 is so formed that: the shoe string 3 is formed in a larger diameter than a string through-hole 4; a plurality of extendably formed large diameter bulge portions 5 which are deformed in an extended small diameter shape by a pulling operation so as to pass the string through-hole 4 are arranged along the longitudinal direction; the shoe body part 1 is provided in the lateral face, with a shoe string tip engaging part 7 for engaging the large diameter bulge portion 5 provided in a shoe string end part 6 drawn out from the last string through-hole 4; and the shoe string tip engaging part 7 has a through-hole 8 which does not allow the large diameter bulge portion 5 in a non-deformed state to pass, and allows the large diameter bulge portion 5 deformed in an extended small diameter shape by a pulling operation to pass.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a shoe in which the tightened state of the instep is maintained without tying shoelaces.

  Conventionally, as this type of shoe, there is a shoe using a shoelace as disclosed in Patent Document 1, for example.

  These shoelaces are arranged repeatedly at intervals, and the tube-like lace body is made of an elastic material having a diameter that changes depending on the magnitude of the axial tension applied to itself, and the tube structure of the lace body. The central tube part is made of a non-stretchable material in the center tube part, forming the core of the hump, and the center string that is rounded at the corresponding part of the hump so as to follow the change in the distance between both ends of the hump according to the diameter change of the hump It is contracted by applying axial tension to reduce the diameter of the hump, and in this state, it is passed through the string hole, and after passing through the string hole, the applied axial tension is reduced to reduce the diameter of the hump. It is possible to obtain a fixing effect (clamping holding effect when tying the string) without tying the string hole by expanding this hump and catching it on the string hole. Yes, Shoes with shoelaces such as, the tightness does not loosen even when exercising, such as running with the knots locked in each lace hole, and the sense of unity (feeling of fit) between the shoe and the foot is firmly held The effect that is done is demonstrated.

Japanese Patent No. 5079926

  However, a conventional shoe using such a shoelace (hereinafter referred to as a conventional product) has a pulling action in the return direction on the hook that is locked to the lace hole during intense exercise. There is a concern that the hump will be stretched and reduced in diameter and the locked state will be released, and the tightened state will be loosened.In addition, this conventional product has a shoelace drawn from the last lace hole closest to the mouth side. Since there is no means to fix the end (excess part), leave it as it is, or insert it into the shoe through the mouth or entangle it with the shoelace inserted through the instep Therefore, the end portion of the surplus shoelace flutters during exercise, reduces the comfort, or makes it look bad.

  The present invention has been made in view of the current situation of such conventional products, and the shoelaces are kept in a well-tightened state even during intense exercise, and the tightening is less likely to occur. An object of the present invention is to provide a shoe that does not require a breakthrough tying, in which the end portion of the drawn shoelace is properly fixed in place, does not flutter during exercise, and looks good.

  The gist of the present invention will be described with reference to the accompanying drawings.

  A shoe comprising a shoe body portion 1 and a shoelace 3 for tightening the instep portion 2 of the shoe body portion 1, wherein the shoelace 3 is provided on the left and right sides of the instep portion 2. A plurality of large-diameter humps 5 are formed along the longitudinal direction so as to have a larger diameter than the hole diameter of the string passage hole 4. The shoe body 1 is inserted into the last lace hole 4 on the side of the mouth and pulled out. A shoelace tip locking portion 7 for locking the large-diameter hump portion 5 provided at the shoelace end portion 6 of the shoelace 3 is provided. The large diameter hump portion 5 in the non-deformed state cannot pass through, and the large diameter is deformed by extending and reducing the diameter by a pulling operation. The head part 5 is configured to have a through-hole 8 having a diameter that can pass through, and the shoelace 3 is pulled by hand to cause the large-diameter head part 5 to be expanded and reduced in diameter to deform the instep part. 2 after passing through the plurality of lace passing holes 4 arranged side by side and tightening the shoelace end portion 6 by hand, the large size provided in the shoelace end portion 6 By disposing the diameter hump portion 5 in a position where the diameter hump 5 has been reduced in diameter and passing through the through hole 8 and stopping the pulling operation, the large diameter hump portion 5 that has been reduced in diameter and extended has the string through hole 4 and The non-deformed large-diameter hump portion 5 that cannot pass through the through-hole 8 is restored, and the large-diameter hump portion 5 that cannot pass through the string through-hole 4 and the through-hole 8 is The shoelace 3 is not tied by detent-locking both the string passage hole 4 and the passage hole 8. But also according to the shoe, wherein the tightening state of the instep portion 2 is configured to be retained.

  2. The shoe according to claim 1, wherein the shoelace end locking portion is provided on each of the left and right side surfaces of the shoe main body portion.

  Further, the shoelace tip locking portion 7 is arranged such that when the shoelace end locking portion 7 pulled out from the last strap passage hole 4 is locked to the shoelace tip locking portion 7, The shoe according to any one of claims 1 and 2, wherein the shoe is provided at a position where the pulling direction changes from the hole 4 to a bent state.

  Further, the shoelace tip locking portion 7 is arranged such that when the shoelace end locking portion 7 pulled out from the last strap passage hole 4 is locked to the shoelace tip locking portion 7, Starting from the hole 4, the pulling direction is changed to the distal end side direction of the shoe main body portion 1, and the bent direction is provided on the distal end side of the shoe main body portion 1 from the extension line of the last string passing hole 4. The present invention relates to a shoe according to claim 3.

  Further, the shoelace tip locking portion 7 has the through-hole 8 drilled in a direction along the side surface of the shoe main body portion 1, and the shoelace 3 is manually pulled to operate the large portion. The diameter hump 5 is elongated and reduced in diameter, passed through the plurality of string passage holes 4 arranged on the left and right sides of the instep 2 and tightened, and then the shoelace end 6 is manually pulled. When the large diameter hump 5 provided on the shoelace end 6 is extended and reduced in diameter and disposed at a position where the through hole 8 is passed through, and the pulling operation is stopped, the extension and reduction in diameter are reduced. The large-diameter hump portion 5 is restored to a non-deformed large-diameter hump portion 5 that cannot pass through the through-hole 8, and is detented and locked to the through-hole 8, and the shoelace end portion 6 is It is comprised so that it may be along with the side surface of the said shoe main-body part 1, Any of Claims 1-4 characterized by the above-mentioned. Or those of the shoe according to item 1.

  Further, the shoelace 3 has a large-diameter hump region portion 9 in which a plurality of the large-diameter hump portions 5 are arranged in parallel on both side portions in the longitudinal direction, and the hole diameter of the lace-through hole 4 in the central portion in the longitudinal direction. The shoe according to any one of claims 1 to 5, wherein a small-diameter hump region portion 11 is formed by arranging a plurality of small-diameter hump portions 10 having a smaller diameter.

  Since the present invention is configured as described above, the tightened state of the shoelace is well maintained even during intense exercise, and the occurrence of loose tightening is reduced as much as possible.

  Furthermore, the end portion of the shoelace drawn from the last lace-through hole is properly fixed at a predetermined position, so that it does not flutter during exercise and the appearance is improved.

It is a perspective view which shows a present Example. It is a front view which shows a present Example. It is a front view which shows the shoelace of a present Example. (A) It is explanatory front view which shows the normal state of the shoelace of a present Example. (B) It is explanatory front view which shows the state in which the shoelace of a present Example is carrying out the expansion | extension small diameter deformation. (A) It is explanatory sectional drawing which shows the state of the internal string body in the normal state of the shoelace of a present Example. (B) It is explanatory sectional drawing which shows the state of an internal string body in the state which the shoelace of a present Example is carrying out the expansion | extension reduction | decrease deformation. It is explanatory drawing which shows the use condition (shoelace tightening state) of a present Example. It is explanatory drawing which shows the use condition (state after shoelace tightening cancellation | release) of a present Example. It is explanatory drawing which shows the state at the time of string passage hole penetration of the large diameter hump part of a present Example. It is explanatory drawing which shows the state after the string hole insertion of the large diameter hump part of a present Example. It is explanatory drawing which shows the state at the time of string passage hole penetration of the small diameter hump part of a present Example. It is explanatory drawing which shows the state which inserts and arrange | positions the shoelace edge part of the shoelace of a present Example by the shoelace front-end | tip latching | locking part.

  An embodiment of the present invention which is considered to be suitable will be briefly described with reference to the drawings showing the operation of the present invention.

  In the present invention, a plurality of lace-through holes are provided side by side on the left and right sides of the instep portion 2 of the shoe main body 1 while pulling the shoelace 3 by hand to cause the large-diameter hump portion 5 to expand and reduce its diameter. 4 are alternately inserted into the left and right, and a shoelace 3 is routed around the instep portion 2 and passed through the last lace-through hole 4 located on the most wear mouth side of the shoe main body portion 1 and pulled out outward. When the pulling operation is stopped after the shoelace end 6 of the string 3 is tightened, the large-diameter hump part 5 that has been deformed to become smaller and smaller in diameter cannot be passed through the string-passing hole 4 and becomes a non-deformed large-diameter hump part 5. Restore.

  Further, the shoelace end portion 6 pulled out from the last string passage hole 4 is manually pulled to cause the large-diameter hump portion 5 provided on the shoelace end portion 6 to be deformed to be reduced in diameter. When the pulling operation is stopped at the position where 8 is passed, the large-diameter hump portion 5 that has been deformed by extension and reduction in diameter is restored to the undeformed large-diameter hump portion 5 that cannot pass through the through-hole 8.

  Thereby, the large-diameter hump part of the shape which cannot return these two places of the exit position which passed the last string passage hole 4, and the exit position which passed the passage hole 8 of the shoelace front-end | tip latching part 7 5 is arranged, and when a return movement action occurs on the shoelace 3, the large-diameter hump portion 5 that has passed through the last strap passage hole 4 returns to the peripheral portion of the last strap passage hole 4 and is locked. At the same time, the large-diameter hump portion 5 that has passed through the through-hole 8 of the shoelace tip locking portion 7 returns to the peripheral portion of the through-hole 8, that is, the shoelace tip locking portion 7, and the shoelace 3 moves back. Is blocked at two places, and the tightened state of the shoelace 3 is maintained well.

  Further, the shoelace end portion 6 is brought into a positioning state by inserting the shoelace end portion 6 through the through hole 8 of the shoelace tip locking portion 7 and preventing the shoelace end portion 6 from being detached by the large-diameter hump portion 5.

  Therefore, according to the present invention, the tightened state of the shoelace is maintained well even during intense exercise, the occurrence of loosening of the tightening is reduced as much as possible, and the end of the shoelace pulled out from the last string passage hole. The shoe is neatly fixed at a predetermined position, does not flutter during exercise, and has a good appearance.

  Specific embodiments of the present invention will be described with reference to the drawings.

  The present embodiment is a shoe composed of the shoelace 3 of the present invention and the shoe body 1.

  Hereinafter, each component according to the present embodiment will be described in detail.

  The shoelace 3 according to the present embodiment has a large-diameter hump portion that is provided on both sides in the longitudinal direction and has a diameter larger than the diameter of the string passage hole 4 provided on the left and right sides of the instep portion 2 of the shoe body portion 1. From the hole diameter of the string passage hole 4 provided between the large-diameter hump region portion 9 in which a plurality of 5 are arranged side by side at an interval and the large-diameter hump region portions 9 on both sides, that is, in the central portion in the longitudinal direction. The small-diameter hump part 10 is composed of a small-diameter hump region part 11 in which a plurality of small-diameter hump parts 10 are arranged in parallel at intervals.

  Specifically, the large-diameter hump portion 5 is configured to be stretchable and arranged in parallel along the longitudinal direction of the shoelace 3 via a non-stretchable large-diameter hump coupling portion 12. The small-diameter hump portion 10 is configured to be stretchable like the large-diameter hump portion 5 and is arranged in parallel along the longitudinal direction of the shoelace 3 via a non-stretchable small-diameter hump coupling portion 13. Yes.

  That is, the shoelace 3 according to the present embodiment has a plurality of large and flexible telescopic structures, for example, by holding both ends by hand and applying tension to the large-diameter hump portion 5 and the small-diameter hump portion 10. When the diameter hump portion 5 and the small diameter hump portion 10 are extended, the entire shoelace is extended like a rubber strap, and when the tension is released by stopping the pulling operation, the large diameter hump portion 5 and the small diameter hump portion 10 respectively. It is set as the structure equipped with the elasticity which decompress | degenerates and restores to the original state.

  More specifically, the large-diameter hump portion 5 of the present embodiment is formed in a substantially spherical shape having a diameter of about 7 mm, and a rugby ball-like shape is obtained by applying a tension by pulling the shoelace 3 in the longitudinal direction. A shape with a large diameter that cannot pass through the original threading hole 4 when the tension is released by stopping the pulling operation. The small-diameter hump portion 10 is formed in a cylindrical shape having a diameter of about 4 mm, and, like the large-diameter hump portion 5, tension is applied by a pulling operation in the longitudinal direction of the shoelace 3. Elongated and reduced diameter so as to be assimilated with the string-like small-diameter hump coupling portion 13 having a diameter of about 2 mm connected to the small-diameter hump portion 10, and when the tension is released by stopping the pulling operation, the original shape is restored. It is supposed to be configured.

  Further, the large-diameter hump region portion 9 in which a plurality of large-diameter hump portions 5 are arranged side by side is formed in parallel to the left and right sides of the instep portion 2 by extending and reducing the large-diameter hump portion 5 by pulling operation. After passing through the string-through hole 4 and tightening, the large-diameter hump having a large-diameter hump that cannot pass through the original string-through hole 4 through the large-diameter hump portion 5 that has been stretched and reduced in diameter by stopping the pulling operation. When the part 5 is restored, the restored large-diameter hump part 5 is the last position located on the most wearing mouth side of the string passage hole 4 provided side by side on the left and right sides of the instep part 2 of the shoe body part 1. The length is set so as to return to and lock only the last string-passing hole 4 or only the last string-passing hole 4 and the preceding string-passing hole 4, and a plurality of small-diameter humps 10 are arranged in parallel. The small diameter hump region portion 11 is alternately inserted in the left and right through the string passage holes 4 provided on the left and right sides of the instep portion 2 and routed in a cross shape. It is set to a length that can be set.

  Specifically, in this embodiment, each of the large-diameter hump region portions 9 is set to a length corresponding to about 1/4 of the overall length of the shoelace, and the small-diameter hump region portion 11 is set to a total length of the shoelace. More specifically, in the large-diameter hump region portion 9, the shoelace 3 is juxtaposed on the left and right of the instep portion 2 of the shoe main body portion 1. When it is inserted into the string passage hole 4 and tightened, it is arranged on the upper side of the instep portion 2, for example, in an area of about four string passage holes, and the last string passage hole closest to the wearing mouth 4 becomes a shoelace end 6 pulled out from 4, and the small-diameter hump region portion 11 is arranged in a region more than half of the upper portion 2 from the lower side (shoe tip side) to the upper side (wear mouth side). It is configured.

  The shoelace 3 of this embodiment will be described in more detail. The shoelace 3 of this embodiment has a large-diameter hump-forming bulging shape portion 14 for forming a large-diameter hump portion 5 on each side in the longitudinal direction. Are formed in a plurality of juxtaposed states at intervals, and a small-diameter hump-forming bulging shape portion 15 for forming a small-diameter hump portion 10 in the longitudinal central portion is formed in a plurality of juxtaposed states at intervals. The tubular cord body 16 made of a stretchable material and the internal cord body 17 made of a non-stretchable material inserted and disposed in the tubular cord body 16 are configured in the present embodiment. The tubular string body 16 is composed of an elastic material formed by a combination of an elastic material (elastic material) such as natural rubber or synthetic rubber and a non-elastic material such as polyester, nylon, acrylic, or polyurethane. Has been.

  Specifically, the shoelace 3 of the present embodiment is arranged in a slack state so that the inner cord body 17 forms a large-diameter hump core portion 18 in the large-diameter hump-forming bulging shape portion 14 of the tubular lace body 16. And a large-diameter hump portion 5 is formed, and an internal string body 17 is disposed in a slack so as to form a small-diameter hump core portion 19 in a small-diameter hump-forming bulged shape portion 15 of the tubular cord body 16. Thus, the small-diameter hump 10 is formed.

  Further, the shoelace 3 of the present embodiment has a large-diameter hump core portion 18 disposed in the large-diameter hump-forming bulging shape portion 14 and a small-diameter hump shape disposed in the small-diameter hump-forming bulging shape portion 15. Each of the core portions 19 includes an extension operation limiting member that limits the extension operation of the large-diameter hump formation bulge shape portion 14 and the small-diameter hump formation bulge shape portion 15, in other words, the large-diameter hump portion 5 and the small-diameter hump portion 10. It is set as the composition.

  Specifically, the large-diameter hump core portion 18 has a structure in which both ends are fixed to both ends of the large-diameter hump-forming bulging shape portion 14, and the small-diameter hump core portion 19 has a small-diameter hump at both ends. In the large-diameter hump portion 5, the end of the large-diameter hump-forming bulge shape portion 14 is pulled when a tension is applied by the pulling operation. When the end of this large-diameter hump-forming bulging shape portion 14 is pulled, the large-diameter hump core portion 18 in the slack state inside is also pulled together, and by this pulling action, the large-diameter hump core portion 18 Since the slackness is eliminated and the stretched state is exerted, the extension motion restricting action is exerted to restrict (suppress) any further extension motion of the large-diameter hump-forming bulging shape portion 14, and the small-diameter hump portion 10 is pulled. When tension is applied by operation, the end of the small diameter hump-forming bulging shape portion 15 is pulled. When the end of the small-diameter hump forming bulging shape portion 15 is pulled, the small-diameter hump core portion 19 in the loosened state is also pulled together, and this pulling action causes the small-diameter hump core portion 19 to loosen. When the stretched state is eliminated, the extension operation limiting action is exerted, and further extension operation of the small-diameter hump-forming bulging shape portion 15 is limited (suppressed).

  That is, the shoelace 3 of the present embodiment has a configuration in which the amount of the string element is increased by restricting the extension amount during the extension operation by the pulling operation, thereby facilitating the insertion work into the string passage hole 4. The stretchable material (elastic material) constituting the tubular string body 16 is configured to prevent the stretchable material from being broken by excessive stretching.

  Moreover, the shoe main body 1 of the present embodiment is configured in a general sneaker shape as shown in the figure, and a plurality of string-through holes 4 are worn from the shoe tip on the left and right sides of the instep 2, respectively. It is juxtaposed along the direction toward the mouth.

  Further, the shoe main body 1 of the present embodiment is provided on the left and right side surfaces of the shoelace 3 inserted and arranged in the string-through hole 4, that is, in the string-through hole 4 and arranged on the mouth side. A configuration in which a shoelace end locking portion 7 is provided for locking the shoelace end portion 6 that has passed through the last positioned string passage hole 4 and pulled out outward to the shoe body portion 1. It is said that.

  Specifically, the shoelace tip locking portion 7 of the present embodiment cannot pass through the non-deformed large-diameter hump portion 5, but passes through the large-diameter hump portion 5 that has been deformed to be reduced in diameter by pulling operation. It is set as the structure which has the through-hole 8 set to the diameter dimension substantially equivalent to the string through-hole 4 which can do.

  That is, the shoelace tip locking portion 7 of the present embodiment is similar to the configuration in which the large-diameter hump portion 5 is detented and locked to the string passage hole 4 and the shoelace end portion 6 pulled out from the last string passage hole 4. Is pulled by hand, and the large-diameter hump portion 5 at the shoelace end 6 is extended and reduced in diameter to be inserted into the through-hole 8 and then the pulling operation is stopped to reduce the expansion and reduction in diameter. The restored large diameter hump 5 is restored to its original state where it cannot pass through the through-hole 8 as it is, so that the large diameter hump 5 of the shoelace end 6 is returned to the shoelace 3 even if a moving action occurs. Is returned and locked to the peripheral portion of the through hole 8, that is, the shoelace tip locking portion 7, and the return movement of the shoelace 3 is prevented.

  That is, this embodiment has a double locking structure that holds the tightened state of the shoelace 3 at two locations of the shoelace tip locking portion 7 together with the last string passage hole 4, and tightens up. The state is maintained well, and the tightened state of the instep portion 2 of the shoe main body 1 is well maintained without tying the shoelace 3.

  Further, the shoelace tip locking portion 7 of this embodiment will be described in detail. The shoelace tip locking portion 7 of this embodiment includes the last strap passage hole 4 positioned on the foot opening side of the instep portion 2. Before inserting the last lace through hole 4, the shoe main body is more than on the lace passing direction extension line connecting the lace through hole 4 just before the last lace through hole 4 on the opposite side where the shoe lace 3 is inserted. It is configured to be provided (arranged) on the distal end side of the portion 1, and specifically, in this embodiment, it is configured to be provided almost directly below the last string passage hole 4.

  In other words, in this embodiment, the shoelace end portion 6 of the shoelace 3 that has passed through the last strap passage hole 4 and pulled out outward is positioned at the shoelace tip locking portion located immediately below the last strap passage hole 4. 7 when the shoelace 3 is largely bent at the last string-passing hole 4 and the direction of routing is changed, so that when the movement action is returned to the shoelace 3, the bent portion returns. It becomes a resistance part with respect to a movement effect | action, and it is comprised so that it may become difficult to return and move.

  Furthermore, the through-hole 8 provided in the shoelace tip locking portion 7 of the present embodiment is configured to be perforated in the direction along the side surface of the shoe main body portion 1, and is pulled out from the last strap-through hole 4. The shoelace end portion 6 is manually pulled to cause the large-diameter hump portion 5 at the shoelace end portion 6 to be extended and reduced in diameter and inserted into the through-hole 8 and then the pulling operation is performed. When the large-diameter hump portion 5 that has been extended and reduced in diameter is restored to its original state where it cannot pass through the through-hole 8 as it is, the shoelace end portion 6 through which the through-hole 8 is inserted becomes the shoe main body portion 1. It is configured to be positioned along the side surface.

  That is, the shoelace end portion 6 of this embodiment is configured as the last holding portion that holds the shoelace 3 in the tightened state, and the shoelace end portion 6 of the surplus shoelace 3 flutters during movement. It is set as the structure which acts as a shoelace edge part positioning part fixed to a predetermined position so that it may not exist.

  The operational effects of the present embodiment configured as described above will be described below.

  In the present embodiment, the large-diameter hump portion 5 is expanded and reduced in diameter while the shoelace 3 is pulled by hand, and a plurality of string-through holes 4 are provided side by side on the left and right sides of the instep portion 2 of the shoe body portion 1. In the state where the shoelace end 6 of the shoelace 3 that has been passed through the last string passage hole 4 is pulled and operated and tightened, the left and right are alternately inserted into the back of the foot 2 and arranged. Further, after the shoelace end portion 6 is inserted into the through-hole 8 of the shoelace tip locking portion 7, when the pulling operation is stopped, the expansion and reduction of the diameter of the large-diameter hump portion 5 is released, and the large-diameter hump portion 5. Is restored to a large-diameter sphere that cannot pass through the original lace-through hole 4 and through-hole 8, and when the shoelace 3 returns and has a moving action, the large-diameter hump that has passed through the last lace-through hole 4 The portion 5 (specifically, the large-diameter hump portion 5 closest to the outlet side of the last string passage hole 4) is the peripheral portion (eyelet member) of the last string passage hole 4. The large-diameter hump portion 5 (specifically, the large-diameter hump portion 5 closest to the outlet side of the through-hole 8) that has passed through the through-hole 8 of the shoelace tip locking portion 7 is The shoelace 3 is locked to the peripheral portion of the hole 8, that is, the shoelace tip locking portion 7, and the return movement of the shoelace 3 is prevented in two places, and the tightened state of the shoelace 3 is favorably maintained. Even if it is not tied, the tightened state of the instep portion 2 is reliably maintained, so that the shoelace 3 is not tied.

  Further, when the lace is passed through the lace hole 4, the shoelace 3 of this embodiment is left as it is only in a predetermined length region from both sides in the longitudinal direction, in other words, from each shoelace tip of the shoelace 3. In this state, a large-diameter hump portion 5 that cannot pass through the string-through hole 4 but is allowed to pass through the string-through hole 4 by being stretched and contracted by tension applied by a pulling operation is disposed. Since the small-diameter hump portion 10 that can pass through the string-passing hole 4 is arranged in the state of the region as it is, the large passage through the string-passing hole 4 while being expanded and contracted by pulling operation one by one. The number of the diameter hump portions 5 is small, and the stringing operation is facilitated. Also, when adjusting the tightening degree of the shoelace 3, only when moving the large diameter hump region portion 9 located above the instep portion 2. Pulling operation is required, and When moving, it is possible to adjust the degree of tightening easily because it is the same as a normal lace passing operation for moving a conventional shoelace, and the number of large-diameter humps 5 in the instep 2 Because there are few, it looks neat and looks good.

  Further, in this embodiment, each large-diameter hump portion 5 and each small-diameter hump portion 10 of the shoelace 3 have elasticity, so that the entire shoelace has elasticity. In addition, the small diameter hump 10 is slightly extended and inserted into the instep 2 so that the large diameter hump 5 and the small diameter hump 10 are contracted, and the instep tightening is caused by the contraction. By urging, the fit of the shoe body 1 to the foot is improved, and in addition to the elasticity of the entire shoelace, the small-diameter hump 10 can freely pass through the lace-through hole 4. The degree of tightening bias, in other words, the tightness of the shoelace 3 with respect to the instep 2 is naturally adjusted.

  In other words, the foot is asymmetrical, and there are many blood vessels at the top of the instep. The blood flow is blocked by tightening with a shoelace, and the entire foot is swollen by walking or standing for a long time. Although this may worsen the blood flow of the entire body, the present embodiment naturally adjusts the tightening according to this swelling even if swelling occurs due to the above-mentioned action during long walking or standing work. Therefore, the blood flow in the instep is not obstructed, and the occurrence of health damage due to this blood flow deterioration can be prevented.

  Still further, in this embodiment, the shoelace end 6 of the shoelace 3 that has been inserted through the string passage hole 4 is positioned by the shoelace tip locking portion 7, so that the shoelace end 6 is in motion or the like. It will not flutter and will look better.

  Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.

DESCRIPTION OF SYMBOLS 1 Shoe main-body part 2 Instep part 3 Shoelace 4 String passage hole 5 Large diameter hump part 6 Shoelace end part 7 Shoelace front end locking part 8 Through hole 9 Large diameter hump area part
10 Small diameter hump
11 Small diameter hump area

  The present invention relates to a shoe in which the tightened state of the instep is maintained without tying shoelaces.

  Conventionally, as this type of shoe, there is a shoe using a shoelace as disclosed in Patent Document 1, for example.

  These shoelaces are arranged repeatedly at intervals, and the tube-like lace body is made of an elastic material having a diameter that changes depending on the magnitude of the axial tension applied to itself, and the tube structure of the lace body. The central tube part is made of a non-stretchable material in the center tube part, forming the core of the hump, and the center string that is rounded at the corresponding part of the hump so as to follow the change in the distance between both ends of the hump according to the diameter change of the hump It is contracted by applying axial tension to reduce the diameter of the hump, and in this state, it is passed through the string hole, and after passing through the string hole, the applied axial tension is reduced to reduce the diameter of the hump. It is possible to obtain a fixing effect (clamping holding effect when tying the string) without tying the string hole by expanding this hump and catching it on the string hole. Yes, Shoes with shoelaces such as, the tightness does not loosen even when exercising, such as running with the knots locked in each lace hole, and the sense of unity (feeling of fit) between the shoe and the foot is firmly held The effect that is done is demonstrated.

Japanese Patent No. 5079926

  However, a conventional shoe using such a shoelace (hereinafter referred to as a conventional product) has a pulling action in the return direction on the hook that is locked to the lace hole during intense exercise. There is a concern that the hump will be stretched and reduced in diameter and the locked state will be released, and the tightened state will be loosened.In addition, this conventional product has a shoelace drawn from the last lace hole closest to the mouth side. Since there is no means to fix the end (excess part), leave it as it is, or insert it into the shoe through the mouth or entangle it with the shoelace inserted through the instep Therefore, the end portion of the surplus shoelace flutters during exercise, reduces the comfort, or makes it look bad.

  The present invention has been made in view of the current situation of such conventional products, and the shoelaces are kept in a well-tightened state even during intense exercise, and the tightening is less likely to occur. An object of the present invention is to provide a shoe that does not require a breakthrough tying, in which the end portion of the drawn shoelace is properly fixed in place, does not flutter during exercise, and looks good.

  The gist of the present invention will be described with reference to the accompanying drawings.

A shoe main body 1 in which a plurality of string-through holes 4 are arranged in parallel on the left and right sides of the instep 2 and a string for inserting the string-through holes 4 and tightening the instep 2 consists shoelace 3 which, the shoelace 3, than the diameter of the longitudinally opposite sides through the cord hole 4 is and telescopically configured with large diameter, passes through the hole 4 through the string in a non-tensioned state A plurality of large-diameter humps 5 are provided along the longitudinal direction so as to be able to pass through the string passage hole 4 by being stretched and reduced in diameter by a pulling operation. While the string 3 is pulled by hand, the large-diameter hump part 5 is extended and reduced in diameter, and inserted into the plurality of string-through holes 4 arranged in parallel on the left and right sides of the instep part 2 of the shoe body 1. The pulling operation is performed after the last string passage hole 4 is arranged by being drawn around the instep 2 of the lever. The large-diameter hump portion 5 that has been stopped and passed through the last string passage hole 4 is restored to a state where it cannot pass through the last string passage hole 4, and the restored large-diameter hump portion 5 is by stopping engagement returns to cord insertion hole 4, wherein the shoe configured without tied shoelace 3 is tightened state of the instep portion 2 is held, the right and left of the shoe body 1 The shoelace ends 6 of the shoelaces 3 that pass through the last cord passage holes 4 and are drawn out outwardly below the last string passage holes 4 provided in the instep portion 2 on the side surface. the optionally shoelace tip engaging portion 7 to be locked is provided in the footwear body portion 1, the shoelace tip engaging portion 7, the large-diameter hump portion 5 of the non-tensioned state can not pass , pulling the large diameter burls 5 deformed extended diameter by operating structure having a hole 8 of diameter which can pass And to the last cord insertion said the shoelace ends 6 5 pre SL large diameter burls the Kutsuhimotan part 6 by operating the pulling hand drawn from the hole 4 is deformed elongated small diameter shoe After the threaded end locking portion 7 is inserted into the through hole 8, the pulling operation is stopped and the large-diameter hump portion 5 is released from the expansion and small diameter deformation, so that the large-diameter hump portion 5 is inserted into the through- hole 8. be to restore the state can not pass through a large-diameter hump portion 5 and the restored by stopping engagement back to the periphery of the hole 8, the lace end portions 6 on the shoe body 1 The present invention relates to a shoe characterized in that the shoe is arranged along a locked state .

Further, the shoelace tip locking portion 7 is arranged such that when the shoelace end locking portion 7 pulled out from the last strap passage hole 4 is locked to the shoelace tip locking portion 7, it relates to footwear according to claim 1 Symbol mounting, characterized in that provided the hole 4 to a position which is a flexion withdrawal direction is changed to the starting point.

Further, the shoelace tip locking portion 7 is arranged such that when the shoelace end locking portion 7 pulled out from the last strap passage hole 4 is locked to the shoelace tip locking portion 7, Starting from the hole 4, the pulling direction is changed to the distal end side direction of the shoe main body portion 1, and the bent direction is provided on the distal end side of the shoe main body portion 1 from the extension line of the last string passing hole 4. The present invention relates to a shoe according to claim 2 .

Further, the shoelace 3 is formed with a large-diameter hump region portion 9 in which a large number of the large-diameter hump portions 5 are arranged in parallel on both side portions in the longitudinal direction, and the hole diameter of the lace-through hole 4 in the central portion in the longitudinal direction. The shoe according to any one of claims 1 to 3, wherein a small-diameter hump region portion 11 is formed by arranging a plurality of small-diameter hump portions 10 having a smaller diameter.

  Since the present invention is configured as described above, the tightened state of the shoelace is well maintained even during intense exercise, and the occurrence of loose tightening is reduced as much as possible.

  Furthermore, the end portion of the shoelace drawn from the last lace-through hole is properly fixed at a predetermined position, so that it does not flutter during exercise and the appearance is improved.

It is a perspective view which shows a present Example. It is a front view which shows a present Example. It is a front view which shows the shoelace of a present Example. (A) It is explanatory front view which shows the normal state of the shoelace of a present Example. (B) It is explanatory front view which shows the state in which the shoelace of a present Example is carrying out the expansion | extension small diameter deformation. (A) It is explanatory sectional drawing which shows the state of the internal string body in the normal state of the shoelace of a present Example. (B) It is explanatory sectional drawing which shows the state of an internal string body in the state which the shoelace of a present Example is carrying out the expansion | extension reduction | decrease deformation. It is explanatory drawing which shows the use condition (shoelace tightening state) of a present Example. It is explanatory drawing which shows the use condition (state after shoelace tightening cancellation | release) of a present Example. It is explanatory drawing which shows the state at the time of string passage hole penetration of the large diameter hump part of a present Example. It is explanatory drawing which shows the state after the string hole insertion of the large diameter hump part of a present Example. It is explanatory drawing which shows the state at the time of string passage hole penetration of the small diameter hump part of a present Example. It is explanatory drawing which shows the state which inserts and arrange | positions the shoelace edge part of the shoelace of a present Example by the shoelace front-end | tip latching | locking part.

  An embodiment of the present invention which is considered to be suitable will be briefly described with reference to the drawings showing the operation of the present invention.

  In the present invention, a plurality of lace-through holes are provided side by side on the left and right sides of the instep portion 2 of the shoe main body 1 while pulling the shoelace 3 by hand to cause the large-diameter hump portion 5 to expand and reduce its diameter. 4 are alternately inserted into the left and right, and a shoelace 3 is routed around the instep portion 2 and passed through the last lace-through hole 4 located on the most wear mouth side of the shoe main body portion 1 and pulled out outward. When the pulling operation is stopped after the shoelace end 6 of the string 3 is tightened, the large-diameter hump part 5 that has been deformed to become smaller and smaller in diameter cannot be passed through the string-passing hole 4 and becomes a non-deformed large-diameter hump part 5. Restore.

  Further, the shoelace end portion 6 pulled out from the last string passage hole 4 is manually pulled to cause the large-diameter hump portion 5 provided on the shoelace end portion 6 to be deformed to be reduced in diameter. When the pulling operation is stopped at the position where 8 is passed, the large-diameter hump portion 5 that has been deformed by extension and reduction in diameter is restored to the undeformed large-diameter hump portion 5 that cannot pass through the through-hole 8.

  Thereby, the large-diameter hump part of the shape which cannot return these two places of the exit position which passed the last string passage hole 4, and the exit position which passed the passage hole 8 of the shoelace front-end | tip latching part 7 5 is arranged, and when a return movement action occurs on the shoelace 3, the large-diameter hump portion 5 that has passed through the last strap passage hole 4 returns to the peripheral portion of the last strap passage hole 4 and is locked. At the same time, the large-diameter hump portion 5 that has passed through the through-hole 8 of the shoelace tip locking portion 7 returns to the peripheral portion of the through-hole 8, that is, the shoelace tip locking portion 7, and the shoelace 3 moves back. Is blocked at two places, and the tightened state of the shoelace 3 is maintained well.

  Further, the shoelace end portion 6 is brought into a positioning state by inserting the shoelace end portion 6 through the through hole 8 of the shoelace tip locking portion 7 and preventing the shoelace end portion 6 from being detached by the large-diameter hump portion 5.

  Therefore, according to the present invention, the tightened state of the shoelace is maintained well even during intense exercise, the occurrence of loosening of the tightening is reduced as much as possible, and the end of the shoelace pulled out from the last string passage hole. The shoe is neatly fixed at a predetermined position, does not flutter during exercise, and has a good appearance.

  Specific embodiments of the present invention will be described with reference to the drawings.

  The present embodiment is a shoe composed of the shoelace 3 of the present invention and the shoe body 1.

  Hereinafter, each component according to the present embodiment will be described in detail.

  The shoelace 3 according to the present embodiment has a large-diameter hump portion that is provided on both sides in the longitudinal direction and has a diameter larger than the diameter of the string passage hole 4 provided on the left and right sides of the instep portion 2 of the shoe body portion 1. From the hole diameter of the string passage hole 4 provided between the large-diameter hump region portion 9 in which a plurality of 5 are arranged side by side at an interval and the large-diameter hump region portions 9 on both sides, that is, in the central portion in the longitudinal direction. The small-diameter hump part 10 is composed of a small-diameter hump region part 11 in which a plurality of small-diameter hump parts 10 are arranged in parallel at intervals.

  Specifically, the large-diameter hump portion 5 is configured to be stretchable and arranged in parallel along the longitudinal direction of the shoelace 3 via a non-stretchable large-diameter hump coupling portion 12. The small-diameter hump portion 10 is configured to be stretchable like the large-diameter hump portion 5 and is arranged in parallel along the longitudinal direction of the shoelace 3 via a non-stretchable small-diameter hump coupling portion 13. Yes.

  That is, the shoelace 3 according to the present embodiment has a plurality of large and flexible telescopic structures, for example, by holding both ends by hand and applying tension to the large-diameter hump portion 5 and the small-diameter hump portion 10. When the diameter hump portion 5 and the small diameter hump portion 10 are extended, the entire shoelace is extended like a rubber strap, and when the tension is released by stopping the pulling operation, the large diameter hump portion 5 and the small diameter hump portion 10 respectively. It is set as the structure equipped with the elasticity which decompress | degenerates and restores to the original state.

  More specifically, the large-diameter hump portion 5 of the present embodiment is formed in a substantially spherical shape having a diameter of about 7 mm, and a rugby ball-like shape is obtained by applying a tension by pulling the shoelace 3 in the longitudinal direction. A shape with a large diameter that cannot pass through the original threading hole 4 when the tension is released by stopping the pulling operation. The small-diameter hump portion 10 is formed in a cylindrical shape having a diameter of about 4 mm, and, like the large-diameter hump portion 5, tension is applied by a pulling operation in the longitudinal direction of the shoelace 3. Elongated and reduced diameter so as to be assimilated with the string-like small-diameter hump coupling portion 13 having a diameter of about 2 mm connected to the small-diameter hump portion 10, and when the tension is released by stopping the pulling operation, the original shape is restored. It is supposed to be configured.

  Further, the large-diameter hump region portion 9 in which a plurality of large-diameter hump portions 5 are arranged side by side is formed in parallel to the left and right sides of the instep portion 2 by extending and reducing the large-diameter hump portion 5 by pulling operation. After passing through the string-through hole 4 and tightening, the large-diameter hump having a large-diameter hump that cannot pass through the original string-through hole 4 through the large-diameter hump portion 5 that has been stretched and reduced in diameter by stopping the pulling operation. When the part 5 is restored, the restored large-diameter hump part 5 is the last position located on the most wearing mouth side of the string passage hole 4 provided side by side on the left and right sides of the instep part 2 of the shoe body part 1. The length is set so as to return to and lock only the last string-passing hole 4 or only the last string-passing hole 4 and the preceding string-passing hole 4, and a plurality of small-diameter humps 10 are arranged in parallel. The small diameter hump region portion 11 is alternately inserted in the left and right through the string passage holes 4 provided on the left and right sides of the instep portion 2 and routed in a cross shape It is set to a length that can be set.

  Specifically, in this embodiment, each of the large-diameter hump region portions 9 is set to a length corresponding to about 1/4 of the overall length of the shoelace, and the small-diameter hump region portion 11 is set to a total length of the shoelace. More specifically, in the large-diameter hump region portion 9, the shoelace 3 is juxtaposed on the left and right of the instep portion 2 of the shoe main body portion 1. When it is inserted into the string passage hole 4 and tightened, it is arranged on the upper side of the instep portion 2, for example, in an area of about four string passage holes, and the last string passage hole closest to the wearing mouth 4 becomes a shoelace end 6 pulled out from 4, and the small-diameter hump region portion 11 is arranged in a region more than half of the upper portion 2 from the lower side (shoe tip side) to the upper side (wear mouth side). It is configured.

  The shoelace 3 of this embodiment will be described in more detail. The shoelace 3 of this embodiment has a large-diameter hump-forming bulging shape portion 14 for forming a large-diameter hump portion 5 on each side in the longitudinal direction. Are formed in a plurality of juxtaposed states at intervals, and a small-diameter hump-forming bulging shape portion 15 for forming a small-diameter hump portion 10 in the longitudinal central portion is formed in a plurality of juxtaposed states at intervals. The tubular cord body 16 made of a stretchable material and the internal cord body 17 made of a non-stretchable material inserted and disposed in the tubular cord body 16 are configured in the present embodiment. The tubular string body 16 is composed of an elastic material formed by a combination of an elastic material (elastic material) such as natural rubber or synthetic rubber and a non-elastic material such as polyester, nylon, acrylic, or polyurethane. Has been.

  Specifically, the shoelace 3 of the present embodiment is arranged in a slack state so that the inner cord body 17 forms a large-diameter hump core portion 18 in the large-diameter hump-forming bulging shape portion 14 of the tubular lace body 16. And a large-diameter hump portion 5 is formed, and an internal string body 17 is disposed in a slack so as to form a small-diameter hump core portion 19 in a small-diameter hump-forming bulged shape portion 15 of the tubular cord body 16. Thus, the small-diameter hump 10 is formed.

  Further, the shoelace 3 of the present embodiment has a large-diameter hump core portion 18 disposed in the large-diameter hump-forming bulging shape portion 14 and a small-diameter hump shape disposed in the small-diameter hump-forming bulging shape portion 15. Each of the core portions 19 includes an extension operation limiting member that limits the extension operation of the large-diameter hump formation bulge shape portion 14 and the small-diameter hump formation bulge shape portion 15, in other words, the large-diameter hump portion 5 and the small-diameter hump portion 10. It is set as the composition.

  Specifically, the large-diameter hump core portion 18 has a structure in which both ends are fixed to both ends of the large-diameter hump-forming bulging shape portion 14, and the small-diameter hump core portion 19 has a small-diameter hump at both ends. In the large-diameter hump portion 5, the end of the large-diameter hump-forming bulge shape portion 14 is pulled when a tension is applied by the pulling operation. When the end of this large-diameter hump-forming bulging shape portion 14 is pulled, the large-diameter hump core portion 18 in the slack state inside is also pulled together, and by this pulling action, the large-diameter hump core portion 18 Since the slackness is eliminated and the stretched state is exerted, the extension motion restricting action is exerted to restrict (suppress) any further extension motion of the large-diameter hump-forming bulging shape portion 14, and the small-diameter hump portion 10 is pulled. When tension is applied by operation, the end of the small diameter hump-forming bulging shape portion 15 is pulled. When the end of the small-diameter hump forming bulging shape portion 15 is pulled, the small-diameter hump core portion 19 in the loosened state is also pulled together, and this pulling action causes the small-diameter hump core portion 19 to loosen. When the stretched state is eliminated, the extension operation limiting action is exerted, and further extension operation of the small-diameter hump-forming bulging shape portion 15 is limited (suppressed).

  That is, the shoelace 3 of the present embodiment has a configuration in which the amount of the string element is increased by restricting the extension amount during the extension operation by the pulling operation, thereby facilitating the insertion work into the string passage hole 4. The stretchable material (elastic material) constituting the tubular string body 16 is configured to prevent the stretchable material from being broken by excessive stretching.

  Moreover, the shoe main body 1 of the present embodiment is configured in a general sneaker shape as shown in the figure, and a plurality of string-through holes 4 are worn from the shoe tip on the left and right sides of the instep 2, respectively. It is juxtaposed along the direction toward the mouth.

  Further, the shoe main body 1 of the present embodiment is provided on the left and right side surfaces of the shoelace 3 inserted and arranged in the string-through hole 4, that is, in the string-through hole 4 and arranged on the mouth side. A configuration in which a shoelace end locking portion 7 is provided for locking the shoelace end portion 6 that has passed through the last positioned string passage hole 4 and pulled out outward to the shoe body portion 1. It is said that.

  Specifically, the shoelace tip locking portion 7 of the present embodiment cannot pass through the non-deformed large-diameter hump portion 5, but passes through the large-diameter hump portion 5 that has been deformed to be reduced in diameter by pulling operation. It is set as the structure which has the through-hole 8 set to the diameter dimension substantially equivalent to the string through-hole 4 which can do.

  That is, the shoelace tip locking portion 7 of the present embodiment is similar to the configuration in which the large-diameter hump portion 5 is detented and locked to the string passage hole 4 and the shoelace end portion 6 pulled out from the last string passage hole 4. Is pulled by hand, and the large-diameter hump portion 5 at the shoelace end 6 is extended and reduced in diameter to be inserted into the through-hole 8 and then the pulling operation is stopped to reduce the expansion and reduction in diameter. The restored large diameter hump 5 is restored to its original state where it cannot pass through the through-hole 8 as it is, so that the large diameter hump 5 of the shoelace end 6 is returned to the shoelace 3 even if a moving action occurs. Is returned and locked to the peripheral portion of the through hole 8, that is, the shoelace tip locking portion 7, and the return movement of the shoelace 3 is prevented.

  That is, this embodiment has a double locking structure that holds the tightened state of the shoelace 3 at two locations of the shoelace tip locking portion 7 together with the last string passage hole 4, and tightens up. The state is maintained well, and the tightened state of the instep portion 2 of the shoe main body 1 is well maintained without tying the shoelace 3.

  Further, the shoelace tip locking portion 7 of this embodiment will be described in detail. The shoelace tip locking portion 7 of this embodiment includes the last strap passage hole 4 positioned on the foot opening side of the instep portion 2. Before inserting the last lace through hole 4, the shoe main body is more than on the lace passing direction extension line connecting the lace through hole 4 just before the last lace through hole 4 on the opposite side where the shoe lace 3 is inserted. It is configured to be provided (arranged) on the distal end side of the portion 1, and specifically, in this embodiment, it is configured to be provided almost directly below the last string passage hole 4.

  In other words, in this embodiment, the shoelace end portion 6 of the shoelace 3 that has passed through the last strap passage hole 4 and pulled out outward is positioned at the shoelace tip locking portion located immediately below the last strap passage hole 4. 7 when the shoelace 3 is largely bent at the last string-passing hole 4 and the direction of routing is changed, so that when the movement action is returned to the shoelace 3, the bent portion returns. It becomes a resistance part with respect to a movement effect | action, and it is comprised so that it may become difficult to return and move.

  Furthermore, the through-hole 8 provided in the shoelace tip locking portion 7 of the present embodiment is configured to be perforated in the direction along the side surface of the shoe main body portion 1, and is pulled out from the last strap-through hole 4. The shoelace end portion 6 is manually pulled to cause the large-diameter hump portion 5 at the shoelace end portion 6 to be extended and reduced in diameter and inserted into the through-hole 8 and then the pulling operation is performed. When the large-diameter hump portion 5 that has been extended and reduced in diameter is restored to its original state where it cannot pass through the through-hole 8 as it is, the shoelace end portion 6 through which the through-hole 8 is inserted becomes the shoe main body portion 1. It is configured to be positioned along the side surface.

That is, the shoelace tip locking portion 7 of this embodiment is configured as the last holding portion that holds the tightened state of the shoelace 3, and the shoelace end portion 6 of the surplus shoelace 3 is in motion. It is set as the structure which acts as a shoelace edge part positioning part fixed to a predetermined position so that it may not flutter.

  The operational effects of the present embodiment configured as described above will be described below.

  In the present embodiment, the large-diameter hump portion 5 is expanded and reduced in diameter while the shoelace 3 is pulled by hand, and a plurality of string-through holes 4 are provided side by side on the left and right sides of the instep portion 2 of the shoe body portion 1. In the state where the shoelace end 6 of the shoelace 3 that has been passed through the last string passage hole 4 is pulled and operated and tightened, the left and right are alternately inserted into the back of the foot 2 and arranged. Further, after the shoelace end portion 6 is inserted into the through-hole 8 of the shoelace tip locking portion 7, when the pulling operation is stopped, the expansion and reduction of the diameter of the large-diameter hump portion 5 is released, and the large-diameter hump portion 5. Is restored to a large-diameter sphere that cannot pass through the original lace-through hole 4 and through-hole 8, and when the shoelace 3 returns and has a moving action, the large-diameter hump that has passed through the last lace-through hole 4 The portion 5 (specifically, the large-diameter hump portion 5 closest to the outlet side of the last string passage hole 4) is the peripheral portion (eyelet member) of the last string passage hole 4. The large-diameter hump portion 5 (specifically, the large-diameter hump portion 5 closest to the outlet side of the through-hole 8) that has passed through the through-hole 8 of the shoelace tip locking portion 7 is The shoelace 3 is locked to the peripheral portion of the hole 8, that is, the shoelace tip locking portion 7, and the return movement of the shoelace 3 is prevented in two places, and the tightened state of the shoelace 3 is favorably maintained. Even if it is not tied, the tightened state of the instep portion 2 is reliably maintained, so that the shoelace 3 is not tied.

  Further, when the lace is passed through the lace hole 4, the shoelace 3 of this embodiment is left as it is only in a predetermined length region from both sides in the longitudinal direction, in other words, from each shoelace tip of the shoelace 3. In this state, a large-diameter hump portion 5 that cannot pass through the string-through hole 4 but is allowed to pass through the string-through hole 4 by being stretched and contracted by tension applied by a pulling operation is disposed. Since the small-diameter hump portion 10 that can pass through the string-passing hole 4 is arranged in the state of the region as it is, the large passage through the string-passing hole 4 while being expanded and contracted by pulling operation one by one. The number of the diameter hump portions 5 is small, and the stringing operation is facilitated. Also, when adjusting the tightening degree of the shoelace 3, only when moving the large diameter hump region portion 9 located above the instep portion 2. Pulling operation is required, and When moving, it is possible to adjust the degree of tightening easily because it is the same as a normal lace passing operation for moving a conventional shoelace, and the number of large-diameter humps 5 in the instep 2 Because there are few, it looks neat and looks good.

  Further, in this embodiment, each large-diameter hump portion 5 and each small-diameter hump portion 10 of the shoelace 3 have elasticity, so that the entire shoelace has elasticity. In addition, the small diameter hump 10 is slightly extended and inserted into the instep 2 so that the large diameter hump 5 and the small diameter hump 10 are contracted, and the instep tightening is caused by the contraction. By urging, the fit of the shoe body 1 to the foot is improved, and in addition to the elasticity of the entire shoelace, the small-diameter hump 10 can freely pass through the lace-through hole 4. The degree of tightening bias, in other words, the tightness of the shoelace 3 with respect to the instep 2 is naturally adjusted.

  In other words, the foot is asymmetrical, and there are many blood vessels at the top of the instep. The blood flow is blocked by tightening with a shoelace, and the entire foot is swollen by walking or standing for a long time. Although this may worsen the blood flow of the entire body, the present embodiment naturally adjusts the tightening according to this swelling even if swelling occurs due to the above-mentioned action during long walking or standing work. Therefore, the blood flow in the instep is not obstructed, and the occurrence of health damage due to this blood flow deterioration can be prevented.

  Still further, in this embodiment, the shoelace end 6 of the shoelace 3 that has been inserted through the string passage hole 4 is positioned by the shoelace tip locking portion 7, so that the shoelace end 6 is in motion or the like. It will not flutter and will look better.

  Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.

DESCRIPTION OF SYMBOLS 1 Shoe main-body part 2 Instep part 3 Shoelace 4 String passage hole 5 Large diameter hump part 6 Shoelace end part 7 Shoelace front end locking part 8 Through hole 9 Large diameter hump area part
10 Small diameter hump
11 Small diameter hump area

Claims (6)

  A shoe comprising a shoe main body part and a shoelace for tightening the instep part of the shoe main body part, wherein the shoelace is from a hole diameter of a string passage hole provided on the left and right sides of the instep part. A plurality of large-diameter humps formed in a large diameter are provided along the longitudinal direction, and the large-diameter humps are formed so as to be stretchable and stretched and reduced in diameter by a pulling operation. The shoe body portion is provided on the shoelace end portion of the shoelace that is inserted into and pulled out from the last string-through hole on the side of the mouth and the shoe body portion is configured to be able to pass through the through-hole. The shoelace tip locking portion for locking the large-diameter hump portion is provided, and the shoelace tip locking portion cannot pass through the non-deformed large-diameter hump portion. The large-diameter hump that has been deformed and reduced in diameter by a pulling operation has a diameter that can pass through. It is configured to have a hole, and the large-diameter hump is deformed by extending and reducing the diameter by manually pulling the shoelace, and passes through the plurality of string-through holes arranged in parallel on the left and right of the instep. After tightening the shoelace, the shoelace end is pulled by hand so that the large-diameter hump provided on the shoelace end is expanded and reduced in diameter so that the shoelace is passed through the through hole. Then, by stopping the pulling operation, the large-diameter hump portion that has been deformed and reduced in diameter is restored to the string through hole and the non-deformed large diameter hump portion that cannot pass through the through hole. The foot hole and the large-diameter hump portion that cannot pass through the through-hole are detently locked to both the last lace-through hole and the through-hole, so that the foot can be connected without tying the shoelace. A shoe characterized in that the tightened state of the upper is maintained.   The shoe according to claim 1, wherein the shoelace tip locking portion is provided on each of the left and right side surfaces of the shoe main body.   When the shoelace end locking portion is engaged with the shoelace end locking portion, the shoelace end locking portion is pulled out from the last string passing hole. The shoe according to any one of claims 1 and 2, wherein the shoe is provided at a position that changes and becomes a bent state.   When the shoelace end locking portion is engaged with the shoelace end locking portion, the shoelace end locking portion is pulled out from the last string passing hole. 4. The shoe main body portion is provided on the distal end side of the shoe body portion with respect to the extension line of the last string passage hole so as to be bent in the direction of the distal end side of the shoe main body portion. The listed shoes.   The shoelace tip locking portion is configured to have the through-hole drilled in a direction along the side surface of the shoe main body portion, and the small-diameter portion that expands the large-diameter hump by pulling the shoelace by hand. The shoelace end is pulled by hand and is provided at the end of the shoelace after being tightened by passing through the plurality of string passage holes arranged side by side on the left and right sides of the instep part. When the pulling operation is stopped by disposing and deforming the large-diameter hump portion that is extended and reduced in diameter and passing through the through hole, the large-diameter hump portion that is deformed and reduced in diameter passes through the through hole. It is restored to a non-deformable large-diameter hump that cannot be fixed, and is detented and locked to this through-hole, and the shoelace end is arranged along the side surface of the shoe body. The shoe according to any one of claims 1 to 4, wherein:   Each of the shoelaces has a large-diameter hump region formed by juxtaposing a plurality of the large-diameter humps on both sides in the longitudinal direction, and a small-diameter hump having a smaller diameter than the hole diameter of the lace-through hole in the central portion in the longitudinal direction. The shoe according to any one of claims 1 to 5, wherein a small-diameter hump region portion formed by arranging a plurality of portions in parallel is formed.

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