JP3746465B2 - Spike mounting structure for athletic shoes - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a spike mounting structure for sports shoes such as baseball shoes.
[0002]
[Prior art]
In the conventional spike mounting structure for athletic shoes, as shown in FIG. 10, the mounting hole 8 formed through the portion corresponding to the spike B mounting position of the shoe sole 1 can be brought into contact with the peripheral edge of the opening. A female screw member 50 is integrally formed with a cylindrical contact portion 50A and a screw cylinder portion 50C provided with a screw hole 50B penetrating along the axial direction of the mounting hole 8 at the center position thereof. Is mounted from the inner surface 1a side of the shoe sole 1 in a state of being fitted into the mounting hole 8, and a screw shaft 51A that can be screwed into the screw hole 50B of the female screw member 50, and a stepping surface (outer surface) of the shoe sole 1. A male screw member 51 integrally formed with a hexagonal column-shaped head portion 51B for rotation operation provided with a pressing surface 51a for holding and fixing the spike B between 1b and a screw hole 50B of the female screw member 50 Against the stepping surface 1b side of the sole 1 Furthermore, the embedment allowance of the female screw member 50 with respect to the shoe sole 1, in other words, the total length of the contact portion 50 </ b> A and the screw cylinder portion 50 </ b> C is configured to be the same as the thickness of the shoe sole 1. The tip surface 50a of the screw cylinder portion 50C attached to the shoe sole 1 and the stepping surface 1b of the shoe sole 1 are configured to be flush with each other (for example, Japanese Utility Model Laid-Open No. 7-107, Japanese Utility Model 7-39505)
[0003]
[Problems to be solved by the invention]
In the conventional spike mounting structure for athletic shoes, since the spike B is fastened and fixed to the shoe sole 1 by the screwing operation of the male screw member 51 and the female screw member 50, the spike B can be replaced or removed for shape modification. Although it can be easily performed by the purchaser himself, the tip surface 50a of the screw cylinder portion 50C attached to the shoe sole 1 is flush with the stepping surface 1b of the shoe sole 1, and the screw cylinder portion 50C Since the top surface of the spike B is in direct contact with the distal end surface 50a, and the contact portion 50A of the female screw member 50 is in contact with the inner surface 1a of the shoe sole 1 and can move to the inside of the shoe, the inner surface of the shoe sole 1 can be moved. Even in the state where an insole or the like is interposed between 1a and 1a, the impact force applied to the spike B is easily transmitted to the sole of the wearer as a push-up feeling.
[0004]
Moreover, since it is a metallic tightening force between the male screw member 51 and the female screw member 50 with the metal spike B interposed, the male screw member 51 screwed into the female screw member 50 is in use. It is easy to loosen due to vibration or the like, and it is necessary to retighten the male screw member 51 each time.
[0005]
The present invention has been made in view of the above-described actual situation, and its main problem is that a rational modification between the male screw member and the female screw member allows the impact force applied to the spike to be pushed up by the wearer. The object is to provide a spike mounting structure for an athletic shoe that can be prevented from being propagated to the sole, and that can reduce the labor required for retightening the screw.
[0006]
[Means for Solving the Problems]
According to the first aspect of the present invention, the spike mounting structure of the athletic shoe has a contact portion that can contact the peripheral edge portion of the opening with respect to the mounting hole formed through the portion corresponding to the spike mounting position of the shoe sole. A male screw member having one end of the screw shaft connected thereto is mounted from the inner surface side of the shoe sole, a screw hole that can be screwed to the screw shaft of the male screw member is formed, and the outer surface of the shoe sole is A female screw member having a presser portion for holding and fixing the spike between the two is screwed and fixed to the screw shaft of the male screw member from the outer surface side of the shoe sole. A spike mounting structure for an athletic shoe in which a fitting portion that fits into a mounting hole on the bottom is formed ,
The male screw member is formed with a tapered fitting portion that can be fitted into the mounting hole of the shoe sole and has a diameter larger than the inner diameter of the mounting hole at the tip side .
[0007]
According to the above characteristic configuration, the screw hole of the female screw member attached from the outer surface side to the attachment hole of the shoe sole is tightened to the screw shaft of the male screw member attached from the inner surface side to the attachment hole of the shoe sole. When the screwing operation is performed, the shoe sole is held between the contact portion of the male screw member and the pressing portion of the female screw member with the tightening operation. With respect to the male screw member and the female screw member to which the above load is applied, the spike can move relative to the side compressing the shoe sole, and the impact force applied to the spike can be buffered by the shoe sole.
[0008]
Moreover, the elastic restoring force of the shoe sole acts as a tensile force on both screw members screwed together, and the fitting portion formed on the female screw member is attached to the shoe sole along with the screwing operation of both screw members. Since a frictional force is generated between the outer peripheral surface of the fitting tube portion and the inner peripheral surface of the mounting hole by being inserted into the hole, the relative rotation of the screwed screw members to the slack side is suppressed. Can do.
Furthermore, with the screwing operation of both screw members, the fitting portion formed on the male screw member is fitted into the mounting hole of the shoe sole, and the outer peripheral surface of the fitting portion and the inner peripheral surface of the mounting hole are in close contact with each other. At the same time, since the fitting portion is formed in a taper shape having a diameter larger than the inner diameter of the attachment hole on the tip side, the relative extraction movement of the male screw member to the shoe inner side with respect to the shoe sole can be suppressed.
[0009]
Therefore, it is an inexpensive modification that only devise the arrangement and shape of both screw members as described above, but the shock force applied to the spike is applied to the sole of the wearer as a push-up feeling by effectively utilizing the cushioning function of the shoe sole. Propagation can be suppressed, and using the elastic restoring force of the shoe sole and the frictional force between the shoe sole, the loosening of the screw can be effectively suppressed, and the tightening operation can be performed. The time and effort required can be reduced.
[0012]
According to claim 2 of the present invention, the spike mounting structure of the athletic shoe has a contact portion that can be brought into contact with the peripheral edge portion of the opening with respect to the mounting hole formed through the portion corresponding to the spike mounting position of the shoe sole. A male screw member having one end of the screw shaft connected thereto is mounted from the inner surface side of the shoe sole, a screw hole that can be screwed to the screw shaft of the male screw member is formed, and the outer surface of the shoe sole is A female screw member having a presser portion for holding and fixing the spike between the two is screwed and fixed to the screw shaft of the male screw member from the outer surface side of the shoe sole. A spike mounting structure for an athletic shoe in which a fitting portion that fits into a mounting hole on the bottom is formed,
The contact portion of the male screw member is formed with a plurality of anti-rotation protrusions that can pierce from the periphery of the opening of the attachment hole of the shoe sole from the direction of the screw axis, and at least a part of the anti-rotation protrusions Is that a retaining portion that protrudes in a direction intersecting the screw axis direction is formed.
[0013]
According to the above characteristic configuration, the screw hole of the female screw member attached from the outer surface side to the attachment hole of the shoe sole is tightened to the screw shaft of the male screw member attached from the inner surface side to the attachment hole of the shoe sole. When the screwing operation is performed, the shoe sole is held between the contact portion of the male screw member and the pressing portion of the female screw member with the tightening operation. With respect to the male screw member and the female screw member to which the above load is applied, the spike can move relative to the side compressing the shoe sole, and the impact force applied to the spike can be buffered by the shoe sole.
Moreover, the elastic restoring force of the shoe sole acts as a tensile force on both screw members screwed together, and the fitting portion formed on the female screw member is attached to the shoe sole along with the screwing operation of both screw members. Since a frictional force is generated between the outer peripheral surface of the fitting tube portion and the inner peripheral surface of the mounting hole by being inserted into the hole, the relative rotation of the screwed screw members to the slack side is suppressed. Can do.
Further, when the screw hole of the female screw member attached from the outer surface side to the attachment hole of the shoe sole is screwed to the tightening side with respect to the screw shaft of the male screw member attached from the inner surface side to the attachment hole of the shoe sole. Along with the tightening operation, a plurality of anti-rotation protrusions that are formed to project at the contact portion are pierced from the axial direction of the screw shaft to a predetermined depth with respect to the opening peripheral portion of the mounting hole of the shoe sole, and the male screw member Further, at least a part of the rotation prevention projection is formed with a retaining portion that protrudes in a direction intersecting the screw axis direction. Ru can be suppressed relative withdrawal movement of the shoe inside.
Therefore, it is an inexpensive modification that only devise the arrangement and shape of both screw members as described above, but the shock force applied to the spike is applied to the sole of the wearer as a push-up feeling by effectively utilizing the cushioning function of the shoe sole. Propagation can be suppressed, and using the elastic restoring force of the shoe sole and the frictional force between the shoe sole, the loosening of the screw can be effectively suppressed, and the tightening operation can be performed. The time and effort required can be reduced.
[0014]
According to claim 3 of the present invention, the spike mounting structure of the athletic shoe is characterized in that the anti-rotation projection is formed in a hollow shape, and the anti-rotation projection is broken at the front end side with the formation of the formation. The retaining portion is formed.
[0015]
According to the above characteristic configuration, since the rotation preventing projection and the retaining portion can be formed at the same time by the punching process with respect to the contact portion of the male screw member, the retaining portion formed on at least a part of the retaining projection is used. Further, it is possible to reduce the manufacturing cost of the male screw member while suppressing the relative extraction movement of the male screw member to the shoe inside with respect to the shoe sole.
[0016]
Moreover , the rotation operation part of the said internal thread member may be formed in polygons other than a hexagon in the screw shaft center direction view.
[0017]
According to the above configuration , a commonly used hexagonal regular tool cannot be used, and a dedicated tool is required. Therefore, it is possible to suppress damage to the screw due to excessive tightening operation.
[0018]
Further, the male screw member, may be formed detent operable operation concave portion in the tool from the inner side of the shoe sole.
[0019]
According to the above configuration , even if the anti-rotation function of the male screw member mounted in the non-rotating state from the inner surface side with respect to the mounting hole of the shoe sole is lowered with long-term use, the operation formed on the male screw member By engaging with the concave portion from the inner surface side, the male screw member can be kept in a non-rotating state, so that the purchaser can easily and easily perform the detachment operation for replacing the spike and correcting the shape. be able to.
[0020]
DETAILED DESCRIPTION OF THE INVENTION
[First Embodiment]
1 and 2 show a spike mounting structure of a baseball spike shoe A, which is an example of an athletic shoe, and a stepping surface (outer surface) 1b of a shoe sole 1 is composed of three members constituting the spike B. The toe seat plate 3 disposed on the toe side of the bending line X of the sole 1 along the base of the finger, the intermediate seat plate 4 disposed on the arch side of the bending line X, and the saddle disposed on the heel side Each of the plates 5 is fastened and fixed via a metal male screw member 6 and a metal female screw member 7.
[0021]
The toe seat plate 3 includes one protruding piece 3A located inside the shoe center line Y, two protruding pieces 3B and 3C placed outside the shoe center line Y, and shoes at the toe side position relative to them. One projecting piece 3D intersecting with the center line Y is bent, and the intermediate seat plate 4 has one projecting piece 4A located inside the shoe center line Y and the outer side of the shoe center line Y. One projecting piece 4B placed on the shoe is bent and further, the saddle plate 5 is provided with two projecting pieces 5A and 5B located inside the shoe center line Y and on the outside of the shoe center line Y. The two projecting pieces 5C and 5D are bent.
[0022]
The shoe sole 1 is an ethylene vinyl acetate copolymer that is an example of a polymer foam on the upper surface of an outer sole (outsole) 1A that is made of natural leather, polyurethane resin or the like and has wear resistance and flexibility. A lower bottom (midsole) 1B formed of (EVA) is laminated and adhered, and a cap portion (made of natural leather, synthetic leather, woven fabric, non-woven fabric, etc.) is formed on the upper surface of the lower bottom 1B. Upper part 2 and an insole 1C made of natural leather or synthetic leather non-woven fabric are laminated and bonded. Further, the inner surface (upper surface) 1a of the shoe sole 1 thus configured is cushioned. An insole 9 made of an excellent material is detachably provided.
[0023]
As shown in FIGS. 3 and 4, the hook-shaped contact portion 6 </ b> A that can be brought into contact with the peripheral edge portion of the opening with respect to the attachment hole 8 formed through the portion corresponding to the spike attachment position of the shoe sole 1. A male screw member 6 having one end of the screw shaft 6B connected thereto is mounted from the inner surface 1a side of the shoe sole 1, and a screw hole 7A that can be screwed into the screw shaft 6B of the male screw member 6 is formed therethrough. And the female screw member 7 provided with the annular | circular shaped pressing surface 7a which is a pressing part for pinching and fixing each seat board 3-5 of the spike B between the tread surface (outer surface) 1b of the shoe sole 1 is provided. The screw shaft 6B of the male screw member 6 is screwed and fixed from the stepping surface 1b side of the shoe sole 1.
[0024]
Between the contact portion 6A of the male screw member 6 and the screw shaft 6B, it is possible to fit the attachment hole 8 of the shoe sole 1 along the screw shaft core Z direction from the inner surface 1a side, and the screw shaft. A tapered fitting portion 6C having a larger diameter toward the distal end side is integrally formed so that the maximum diameter of the distal end surface located on the 6B side is larger than the inner diameter of the mounting hole 8, and a male screw At a plurality of locations in the circumferential direction of the contact portion 6A of the member 6, rotation preventing projections 6D that can be pierced from the screw axis Z direction with respect to the opening peripheral edge portion of the attachment hole 8 of the shoe sole 1 are formed to protrude. Each anti-rotation protrusion 6D is formed with a retaining portion 6E that protrudes in a direction intersecting the screw axis Z direction.
[0025]
The anti-rotation protrusion 6D is formed in a hollow conical shape by the formation of the hitting portion 6A, and the retaining portion 6E is formed by breaking on the tip side accompanying the formation of the protrusion.
[0026]
In the female screw member 7, a cylindrical fitting portion 7C that fits into the attachment hole 8 of the shoe sole 1 is integrally formed with a cylindrical rotating operation portion 7B that forms an annular pressing surface 7a. The contour shape of the outer peripheral surface (rotation operation surface) of the portion 7B is formed in an odd pentagon which is an example of a polygon other than a hexagon when viewed from the screw axis Z direction, and is formed in the attachment hole 8 of the shoe sole 1 With respect to the screw shaft 6B of the male screw member 6 mounted from the inner surface 1a side, the screw hole 7A of the female screw member 7 mounted from the stepping surface 1b side to the mounting hole 8 of the shoe sole 1 is brought to the maximum tightening position. When the screwing operation is performed, a gap S is formed between the opposed surfaces of the tip end surface of the tapered fitting portion 6C of the male screw member 6 and the tip surface of the fitting portion 7C of the female screw member 7, in other words. The tip end surface of the tapered fitting portion 6C and the tip end surface of the fitting portion 7C are configured in a non-contact state. It has been.
[0027]
The female screw member 7 attached to the attachment hole 8 of the shoe sole 1 from the stepping surface 1b side with respect to the screw shaft 6B of the male screw member 6 attached to the attachment hole 8 of the shoe sole 1 from the inner surface 1a side. When the screw hole 7A is screwed to the tightening side, the shoe sole 1 is connected via the spike B between the contact portion 6A of the male screw member 6 and the holding portion 7a of the female screw member 7 along with the tightening operation. Is held and fixed, so that the spike B can move relative to the compression side of the shoe sole 1 with respect to the male screw member 6 and the female screw member 7 to which the load of the wearer is applied even in the holding state. Thus, the impact force applied to the spike B can be buffered by the elastic force of the shoe sole 1.
[0028]
Moreover, the elastic restoring force of the shoe sole 1 acts as a tensile force on the screw members 6 and 7 screwed together, and is formed on the female screw member 7 as the screw members 6 and 7 are screwed together. Since the fitting portion 7C is fitted into the attachment hole 8 of the shoe sole 1 and a frictional force is generated between the outer peripheral surface of the fitting portion 7C and the inner peripheral surface of the attachment hole 8, both screwed screws Relative rotation of the members 6 and 7 toward the slack side can be suppressed.
[0029]
Therefore, the shock absorbing function of the shoe sole 1 can be effectively used to suppress the impact force applied to the spike B from being transmitted to the sole of the wearer as a push-up feeling and the elastic restoring force of the shoe sole 1. And the slack of both the screw members 6 and 7 can be effectively suppressed using the frictional force with the shoe sole 1, and the labor required for the retightening operation can be reduced.
[0030]
[Second Embodiment]
In the first embodiment described above, a detent that can be pierced from the screw axis Z direction with respect to the opening peripheral portion of the attachment hole 8 of the shoe sole 1 at a plurality of locations in the circumferential direction of the contact portion 6A of the male screw member 6. A protrusion 6D is formed so as to protrude from the tread surface 1b side into the attachment hole 8 of the shoe sole 1 with respect to the screw shaft 6B of the male screw member 6 attached to the attachment hole 8 of the shoe sole 1 from the inner surface 1a side. When the screw hole 7A of the female screw member 7 is screwed to the tightening side, the male screw member 6 is prevented from rotating along with the tightening operation. Considering the possibility of the stop function being lowered or lost, as shown in FIGS. 8 and 9, the inner surface 1a side of the shoe sole 1 is located at the position corresponding to the screw axis Z of the contact portion 6A of the male screw member 6. Alternatively, an operation recess 6F that can be rotated with a tool such as a hexagon wrench may be formed.
[0031]
In addition, since the other structure is the same as the structure demonstrated in 1st Embodiment, the same number is attached to the same structure location as 1st Embodiment, and the description is abbreviate | omitted.
[0032]
[Other Embodiments]
(1) In each of the above-described embodiments, the fitting portion 7C of the female screw member 7 fitted into the attachment hole 8 of the shoe sole 1 is configured in a cylindrical shape (cylindrical shape). It may be present intermittently in the direction or present only at some specific locations in the circumferential direction.
[0033]
(2) In each of the above-described embodiments, the retaining portions 6E that protrude in the direction intersecting the screw axis direction are formed on all of the retaining projections 6D. You may form only in protrusion 6D.
[0034]
(3) In each of the above-described embodiments, the retaining portion 6E is formed by breaking on the distal end side when the rotation preventing projection 6D is formed. However, the rotation preventing projection 6D and the retaining portion 6E are in a solid state. You may form integrally.
[0035]
(4) In each of the above-described embodiments, the female screw member 7 is formed with the screw hole 7A that can be screwed into the screw shaft 6B of the male screw member 6, but one end side of the screw hole 7A is closed. Good.
[0036]
(5) In each of the above-described embodiments, the fitting portion 8A of the male screw member 6 and the screw shaft 6B are fitted to the attachment hole 8 of the shoe sole 1 along the screw shaft core direction from the inner surface 1a side. The possible tapered fitting portion 6C is integrally formed, and the fitting portion 6C is configured to have the same diameter in the entire area in the screw shaft core Z direction in a state in which the fitting portion 6C can be fitted into the attachment hole 8 of the shoe sole 1. Alternatively, the contact portion 6A and the screw shaft 6B may be directly formed integrally.
[0037]
(6) In each of the above-described embodiments, the baseball spike shoes have been described as an example of the athletic shoes A. However, the technique of the present invention is applied to other athletic shoes A such as soccer spike shoes and land spike shoes. Can also be applied.
[0038]
(7) In each of the above-described embodiments, the contour shape of the outer peripheral surface (rotation operation surface) in the rotation operation portion 7B of the female screw member 7 is formed in a pentagon as viewed from the screw axis Z direction. Further, it may be formed in a polygon other than a hexagon, and may be formed in a different diameter shape such as an ellipse other than a polygon.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional side view of an entire baseball spike shoe showing a first embodiment of the present invention. FIG. 2 is a bottom view of the entire baseball spike shoe. 4] Cross-sectional view of main part after attaching spike [Fig. 5] Enlarged front view of male screw member [Fig. 6] Enlarged cross-sectional view of rotation-preventing projection of male screw member [Fig. 7] Between male screw member and female screw member FIG. 8 is a partially broken side view of the disassembled state. FIG. 8 is a cross-sectional view of the main part after attaching the spike showing the second embodiment of the present invention. FIG. 9 is an enlarged plan view of a male screw member. Sectional view showing spike mounting structure [Explanation of symbols]
B Spike 1 Shoe sole 1a Inner surface 1b Outer surface (stepping surface)
6 Male screw member 6A Contact portion 6B Screw shaft 6C Fitting portion 6D Non-rotating protrusion 6E Detent portion 6F Operation recess 7 Female screw member 7A Screw hole 7C Fitting portion 7a Presser portion (presser surface)

Claims (3)

A male screw member having one end of a screw shaft connected to a contact portion that can be brought into contact with the peripheral edge of the opening with respect to a mounting hole formed at a position corresponding to the spike mounting position of the shoe sole is provided on the shoe sole. A female screw member that is mounted from the inner surface side, has a screw hole that can be screwed to the screw shaft of the male screw member, and has a presser portion for holding and fixing the spike between the outer surface of the shoe sole. In addition to the screw shaft of the male screw member, the outer side of the shoe sole is screwed and fixed, and the female screw member is formed with a fitting portion that fits into the mounting hole of the shoe sole. A spike mounting structure,
Wherein the male screw member, can be fitted into the mounting hole of the sole, and, tapered spikes luck Dokutsu that has the fitting portion is formed to be larger than the inner diameter of the mounting hole as the tip end Mounting structure. A male screw member having one end of a screw shaft connected to a contact portion that can be brought into contact with the peripheral edge of the opening with respect to a mounting hole formed at a position corresponding to the spike mounting position of the shoe sole is provided on the shoe sole. A female screw member that is mounted from the inner surface side, has a screw hole that can be screwed to the screw shaft of the male screw member, and has a presser portion for holding and fixing the spike between the outer surface of the shoe sole. In addition to the screw shaft of the male screw member, the outer side of the shoe sole is screwed and fixed, and the female screw member is formed with a fitting portion that fits into the mounting hole of the shoe sole. A spike mounting structure,
At the contact portion of the male screw member, a non-rotating protrusion that can be pierced from the direction of the screw shaft center is projected and formed on the peripheral edge portion of the opening of the shoe hole. the spike mounting structure luck Dokutsu retaining portion protruding in the transverse direction relative to the screw axis direction that are formed. The spike attachment of an athletic shoe according to claim 2, wherein the rotation preventing projection is formed in a hollow shape, and a retaining portion is formed by breaking at a distal end side of the rotation preventing projection accompanying the formation of the formation. Construction.

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