JP3228114U - Auxiliary equipment for shoes - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an auxiliary tool for shoes capable of effectively improving athletic ability suitable for competition by strengthening leg strength according to an exercise content. SOLUTION: A space for fitting a toe portion 101 of a sports shoe 100 is provided between a bottom portion 1 whose upper surface faces the bottom surface of the sports shoe 100 excluding the heel portion 102 and the upper surface of the bottom portion 1, and at least the toe tip of the bottom portion 1. A toe covering portion 2 continuous to the inside and outside of the side end portion, and a fastening portion 3 having a band shape in which both ends are supported on the inner side surface 11 and the outer side surface 12 of the rear end portion of the bottom portion 1, and the sports shoes 100. A fastening portion 3 that abuts on the heel portion 102 toward the toe side is provided. [Selection diagram] Fig. 3

Description

The present invention relates to a shoe aid used as an exterior to a shoe for the purpose of strengthening leg strength and improving athletic ability.

In recent years, various tools and equipment have been proposed for strengthening physical strength and improving athletic ability, and in particular, many footwear such as walking shoes and health sandals for the purpose of strengthening leg strength have been commercialized. ..

Among the muscles of the lower limbs, the triceps surae muscle, which consists of the internal and external gastrocnemius and soleus muscles, not only controls the movement of the ankle but also plays an important role in blood circulation function. Therefore, triceps surae muscle training is said to be effective not only for maintaining the motor ability of the lower limbs but also for preventing blood system diseases.

Therefore, conventionally, footwear has been proposed in which the Achilles tendon connected to the lower part of the triceps surae muscle is stretched to stimulate the triceps surae muscle to strengthen the muscle strength (see, for example, Patent Documents 1 and 2). .).

Japanese Unexamined Patent Publication No. 2014-076187

Japanese Unexamined Patent Publication No. 2015-217279

The applicant found that stimulation of the triceps surae muscle by stretching the Achilles tendon during exercise helps to improve athletic performance. That is, when practicing various competitions, by stretching the Achilles tendon and stimulating the triceps of the lower leg without touching the heel, the leg strength is strengthened so that the athletic ability required of the athlete in each competition is improved. it can.

Here, the sports shoes worn by the athletes differ from competition to competition, and in order to effectively improve the athletic ability required of the athletes in each competition, the Achilles tendon is worn while wearing the sports shoes dedicated to each competition. It is desirable to stretch the heel and keep the heel from touching the ground.

However, all conventional footwear is used with bare feet or socks only, and cannot be used by athletes during the practice of various competitions in which they wear special sports shoes. It is not possible to effectively improve the athletic ability required of a person.

The purpose of this device is to stimulate the triceps surae muscle by stretching the Achilles tendon and maintaining the heel ungrounded during exercise while wearing shoes, including practice of various sports wearing special sports shoes. It is an object of the present invention to provide a shoe aid that can be effectively given and that can effectively improve the athletic ability suitable for each sport by strengthening the leg strength according to the exercise content.

The shoe aid of the present invention includes a bottom, a toe covering, and a fastening portion. The top surface of the bottom surface faces the bottom surface excluding the heel portion of the shoe. The toe covering portion is continuous with at least the inside and outside of the toe side end portion at the bottom portion by providing a space for fitting the toe portion of shoes such as sports shoes between the upper surface of the bottom portion. The fastening portion has a band shape in which both ends are supported on the inner and outer surfaces of the rear end portion at the bottom portion, and abuts on the heel portion of the shoe toward the toe side.

According to this configuration, the toe portion of the shoe is inserted into the space between the upper surface of the toe side end portion and the toe covering portion at the bottom, and the fastening portion is in contact with the heel portion of the shoe toward the toe side. The shoe aid of this invention is attached to the shoe. The part of the bottom of the shoe other than the heel is grounded through the bottom, and the heel on the bottom of the shoe is located above the ground by the thickness of the bottom. The user's heel can be moved downward by the thickness of the bottom, and the user's Achilles tendon is stretched and the heel remains ungrounded.

In this configuration, the inner and outer surfaces may be erected above the top surface of the bottom. It becomes easier to support both ends of the fastening portion.

The fastening portion may have both ends rotatably supported on the inner and outer surfaces of the rear end portion at the bottom. The fastening portion can be easily locked to the upper part of the heel portion of shoes having various shapes.

The fastening portion may also be provided with an adjusting mechanism for changing the total length. It can be used for shoes of various shapes.

By forming at least one cutting groove on the heel-side end of the bottom, the front-back length of the bottom can be shortened, it is possible to respond to changes in the shape and size of the shoe, and the triceps surae during exercise. The load acting on the muscle can be changed.
By providing the toe covering portion with an extension structure in the width direction, it is possible to respond to changes in the shape and size of the shoe.

According to this device, it is possible to effectively stimulate the triceps of the lower leg while keeping the heel untouched while stretching the user's Achilles tendon during exercise including during competition practice wearing shoes. By strengthening the leg strength according to the exercise content, the athletic ability can be effectively improved.

(A) and (B) are a plan view and a side view of the shoe aid according to the embodiment of the present invention. It is a side sectional view of the auxiliary tool for shoes. (A) and (B) are a plan view and a side sectional view when the auxiliary tool for shoes is used. (A) to (E) are diagrams showing shoe aids according to another embodiment of the present invention, respectively.

Hereinafter, the shoe aid according to the embodiment of the present invention will be described with reference to the drawings.

As shown in FIGS. 1 and 2, the shoe auxiliary tool 10 according to the embodiment of the present invention has, for example, a bottom portion 1, a toe covering portion 2, and a fastening portion molded from a synthetic resin such as EVA resin. It has 3. Although FIGS. 1 to 4 show only the shoe aid 10 for the right foot, the shoe aid according to the embodiment of the present invention is composed of a pair of left and right shoes, and the left foot is symmetrical with the right foot. It exhibits a shape.

The bottom portion 1 has a size such that the upper surface faces the bottom surface excluding the heel portion of the shoe. The inner side surface 11 and the outer side surface 12 extend upward from the inner end portion and the outer end portion of the bottom portion 1, respectively. The portion of the upper surface of the bottom portion 1 excluding the end on the toe side is open upward. The bottom portion 1 has a predetermined thickness, and the upper surface is located above the ground with which the bottom surface is in contact by the thickness.

The toe covering portion 2 is provided with a space for fitting the toe portion of the shoe between the upper surface of the bottom portion 1 and is continuous with the toe side end portion of the inner side surface 11 and the outer surface 12 and the toe side end portion of the bottom portion 1. It is located integrally. The fastening portion 3 has a band shape, and as an example, both ends thereof are rotatably supported on the heel side ends of the inner side surface 11 and the outer surface 12 via eyelets 31 and 32.

As shown in FIGS. 3A and 3B, the shoe aid 10 is used as an exterior to the sports shoe 100 (corresponding to the shoe of the present invention). When the shoe aid 10 is attached to the sports shoes 100, the fastening portion 3 is rotated downward as shown by the two-point chain line in FIG. 3 (B), and is shown in FIG. 3 (B). As shown by the two-point chain line, the heel portion 102 of the sports shoe 100 with the heel portion 102 lifted is inserted between the upper surface of the bottom portion 1 and the toe covering portion 2, and the heel portion 102 is lowered. As shown by the solid line, the portion of the bottom surface of the sports shoe 100 other than the heel portion 102 is brought into contact with the upper surface of the bottom portion 1.

After that, the fastening portion 3 is rotated upward while being elastically deformed as necessary, and is brought into contact with the heel portion 102 of the sports shoes 100 from above. The portion of the bottom surface of the sports shoe 100 other than the heel portion 102 is grounded via the bottom portion 1, and the heel portion 102 is located above the ground by the thickness of the bottom portion 1. The inner and outer surfaces of the sports shoes 100 are housed in the inner side surface 11 and the outer surface 12 of the shoe auxiliary tool 10 except for the heel portion 102, and the instep 103 on the upper surface of the sports shoe 100 is the shoe auxiliary tool. Exposed above 10.

In the sports shoe 100, parts other than the toe portion 101, the heel portion 102 and the instep portion 103 are surrounded by the bottom portion 1, the inner side surface 11 and the outer surface 12, and the tip, inner, outer and upper surfaces of the toe portion 101 are the bottom portion 1. It is surrounded by the toe side end portion, the inner side surface 11, the outer surface 12, and the upper surface of the toe portion 101, and the fastening portion 3 is in contact with the heel portion 102 from diagonally above toward the toe side. As a result, the exterior state of the shoe aid 10 with respect to the sports shoes 100 is reliably maintained.

The user's heel can be moved downward by the thickness of the bottom 1, and the user's Achilles tendon can be stretched and the heel can be kept in a non-grounded state. In this state, while exercising with shoes, including during competition practice with sports shoes, the user's Achilles tendon is stretched while maintaining the heel ungrounded state to effectively stimulate the triceps surae muscle. It can be given, and the athletic ability can be effectively improved by strengthening the leg strength according to the exercise content.

As is clear from FIGS. 3A and 3B, the toe covering portion 2 is located above the toe portion 101 of the sports shoe 100, and is inside the inner side surface 11 and the outer surface 12 of the sports shoe 100. The side surface 11 and the outer surface 12 are located respectively. Further, a fastening portion 3 is located above the heel portion 102 of the sports shoe 100. As a result, the shoe aid 10 does not easily come off from the sports shoes 100 during exercise including during competition practice.

Generally, the shape and size of sports shoes differ depending on the competition, but the shoe aid 10 is made of an elastically deformable synthetic resin such as EVA resin, and the instep of the sports shoes is exposed upward. It can cope with changes in the shape and size of sports shoes that should be exteriorized to some extent. Therefore, it is not necessary to prepare a large number of types of shoe aids 10 having different shapes and sizes according to the shape and size of the sports shoes, and preparing several types of shoe aids 10 having different sizes. This makes it possible to handle sports shoes of various shapes and sizes. Further, the shoe aid 10 can be applied not only to sports shoes but also to shoes of various shapes worn during walking.

The shoe aid 20 shown in FIG. 4A is provided with two cutting grooves 13 as an example at the heel-side end on the upper surface of the bottom 1. The cutting groove 13 serves as a guide for cutting, and the user cuts along the cutting groove 13 with a cutter or the like to reduce the length of the bottom 1 of the shoe auxiliary tool 20 to the shape and size of the shoe. It can be shortened accordingly. Further, when the length of the bottom portion 1 is shortened, the contact range of the bottom surface of the shoe with the upper surface of the bottom portion 1 is narrowed, and as a result, the load acting on the triceps surae muscle during exercise can be increased. The cutting groove 13 can be formed on the lower surface of the bottom portion 1, and is not limited to the two grooves.

In the shoe aid 30 shown in FIG. 4 (B), at least one of the eyelet 31 and the eyelet 32 (the eyelet 32 does not appear in FIG. 4 (B)) is at least one end of the fastening portion 33. A plurality of fitting holes 34 for selectively fitting are provided along the longitudinal direction of the fastening portion 3. The shoe auxiliary tool 30 adjusts the length of the fastening portion 33 according to the overall shape and size of the shoe and the shape of the heel portion, so that the fastening portion 33 is attached to the heel portion of the shoe from above. It can be reliably contacted. A plurality of fitting holes 34, together with eyelets 31 and 32, correspond to the adjusting mechanism of the present invention.

In the shoe aid 40 shown in FIG. 4C, the intermediate portion in the longitudinal direction on at least one of the inner side surface 41 (the inner side surface 41 does not appear in FIG. 4C) and the outer side surface 42 is omitted. There is. The shoe auxiliary tool 40 can be attached to various shoes without the inner side surface 41 and the outer side surface 42 interfering with the side surface portion of the shoe even when the width of the shoe or the shape of the side surface portion changes.

The shoe aid 50 shown in FIG. 4 (D) has a fastening portion extending from each of the heel side ends of the inner side surface 11 and the outer surface 12 (the outer surface 12 does not appear in FIG. 4 (C)). The fastening portion 53 and the fastening portion 54 are integrally provided so that the fastening portion 53 and the fastening portion 54 can be fixed by allowing the length to be adjusted via the fastener 55. The fastening portion 53 and the fastening portion 54 may be integrally formed in an annular shape, and the fastener 55 may be omitted.

The shoe aid 60 shown in FIG. 4E includes a slit 61 formed in a part of the toe covering portion 2 in the front-rear direction. The slit 61 corresponds to the extension structure of the present invention. The shoe auxiliary tool 60 can reliably insert the toe portion of the shoe between the bottom portion 1 and the toe covering portion 2 by opening the slit 61 when the toe portion of the shoe is large. A plurality of slits 61 may be provided in the toe covering portion 2. Further, a fastener that straddles the slit 61 can be separately provided, and as the extension structure of the present invention, a part of the toe covering portion 2 can be made of a stretchable material such as rubber.

It should be noted that a part or all of the characteristic portions shown in FIGS. 4 (A) to 4 (E) can be combined to form a single shoe aid.

Each of the above embodiments is an example, and the present invention is not limited thereto, and various modifications can be made within the scope of the present invention.

1-Bottom 2-Toe covering 3-Tightening part 10-Shoe aid 11-Inner side surface 12-Outer surface 100-Sports shoes 101-Toe part 102-Heel part

Claims (6)

The bottom, whose top surface faces the bottom surface excluding the heel of the shoe,
A space for fitting the toe portion of the shoe is provided between the upper surface of the bottom portion and the toe covering portion continuous with at least the inside and outside of the toe side end portion of the bottom portion.
A fastening portion that has a band shape in which both ends are supported on the inner and outer surfaces of the rear end portion of the bottom portion and abuts on the heel portion of the shoe toward the toe side.
Auxiliary equipment for shoes equipped with. The shoe aid according to claim 1, wherein the inner surface and the outer surface are erected from at least the rear end portion of the bottom portion. The shoe aid according to claim 1 or 2, wherein the fastening portion is rotatably supported at both ends on the inner surface and the outer surface. The shoe aid according to any one of claims 1 to 3, wherein the fastening portion includes an adjustment mechanism for changing the total length. The shoe aid according to any one of claims 1 to 4, wherein at least one cutting groove is formed at the heel-side end of the bottom. The shoe aid according to any one of claims 1 to 5, wherein the toe covering portion has an extension structure in the width direction.

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