JP2020162935A - Training tool - Google Patents

Abstract

To make a plurality of use modes selectable in accordance with physical fitness and a training objective of a user.SOLUTION: The training tool A includes: a long elastic body 10 capable of elastic deformation in a shape that reduces in diameter with elongation; and a plurality of movable bodies 20, 30 that are externally fitted in the long elastic body 10 in a movable manner longitudinally and that is movably regulated by friction with the long elastic body 10 in the inelastically deformed state of the long elastic body 10. Timing that the movable bodies 20, 30 start descending in a process of making the long elastic body 10 vertically elongated differs mutually in the plurality of movable bodies 20, 30.SELECTED DRAWING: Figure 1

Description

The present invention relates to training equipment.

Patent Document 1 discloses a stretch device in which two spherical bodies are movably fitted to a main body in which an elastically stretchable string-like body such as rubber is braided. In this stretch device, when the string-shaped main body is pulled up and down, the main body becomes thin and the spherical body descends. The closer the direction when the main body is pulled to the vertical direction, the faster the descending speed of the sphere. However, as the direction of the main body when pulled is directed from a direction close to horizontal to a vertical direction, the load felt by the user increases. Utilizing this phenomenon, the posture and body balance of the user can be naturally brought closer to straight by pulling the main body vertically so that the spherical body falls as quickly as possible.

Utility Model Registration No. 3132216

The above-mentioned stretching device can increase or decrease the load on the user according to the amount of extension of the main body, but when the main body is stretched to a predetermined length, the two spheres descend at the same speed at the same time. It has a simple structure. Therefore, there is only one usage pattern, and it is not possible to select a plurality of usage patterns according to the physical strength of the user and the training goal.

The present invention has been completed based on the above circumstances, and an object of the present invention is to enable selection of a plurality of usage patterns according to the physical strength of the user and training goals.

The first invention is
A long elastic body that can be elastically deformed in a form that shrinks in diameter as it expands,
A plurality of movable parts that are externally fitted to the long elastic body so as to be able to move in the length direction, and are restricted from moving by friction with the long elastic body when the long elastic body is not elastically deformed. With a body
The timing at which the movable body starts descending in the process of extending the long elastic body in the vertical direction is characterized in that the timing at which the movable body starts descending is different between the plurality of movable bodies.

The second invention is
A long elastic body that can be elastically deformed in a form that shrinks in diameter as it expands,
A plurality of movable parts that are externally fitted to the long elastic body so as to be able to move in the length direction, and are restricted from moving by friction with the long elastic body when the long elastic body is not elastically deformed. With a body
The descending speed of the movable body when the long elastic body is extended in the vertical direction to a predetermined length is characterized in that the descent speed of the movable body differs between the plurality of movable bodies.

The training device of the first invention can be used by extending a long elastic body in the vertical direction with both hands. By widening both arms up and down, the range of motion of the shoulder and elbow joints can be expanded, and muscle groups that cannot normally be stretched by oneself can be stretched. In addition, since the load increases according to the amount of extension of the long elastic body, it is possible to strengthen the muscle strength of the upper body. In this training device, the descending form of the plurality of movable bodies changes depending on the amount of extension of the long elastic body and the order in which the plurality of movable bodies are arranged. By selecting the order of arrangement of the plurality of movable bodies and using the descent form of the plurality of movable bodies as a guide, it is possible to apply an appropriate load according to the physical strength of the user and the training goal. The training device of the first invention can be selected from a plurality of usage patterns according to the physical strength of the user and the training goal.

The training device of the second invention can be used by extending the long elastic body in the vertical direction with both hands. By widening both arms up and down, the range of motion of the shoulder and elbow joints can be expanded, and muscle groups that cannot normally be stretched by oneself can be stretched. In addition, since the load increases according to the amount of extension of the long elastic body, it is possible to strengthen the muscle strength of the upper body. In this training device, the time required for the movable body to descend when the long elastic body is extended to a predetermined length differs among the plurality of movable bodies. When training to maintain the long elastic body in the stretched state, one of the movable bodies is selected according to the physical strength of the user and the training goal, and the descent time of the selected movable body is set to the long elastic body. It can be used as a guide for the extension and maintenance time of. The training device of the second invention can be selected from a plurality of usage patterns according to the physical strength of the user and the training goal.

It is a perspective view which shows the state which put together the training equipment of Example 1. It is a perspective view which shows the use example of the training equipment. It is a partially enlarged regular cross-sectional view which shows the state which the 1st movable body and the 2nd movable body are externally fitted to the long elastic body. It is a partially enlarged plan view which shows the state which the 1st movable body is externally fitted to the long elastic body. It is a partially enlarged plan view which shows the state which the 2nd movable body is externally fitted to the long elastic body.

In the present invention, a plurality of protrusions are provided on the outer periphery of the long elastic body so as to be arranged in the length direction of the long elastic body, and the plurality of movable bodies have different length dimensions. It is preferable to have. In the process of descending the movable body, the movable body tilts its posture slightly and is caught in the protrusion, and then tilts its posture in another direction to separate from the protrusion. At this time, since the inclination angle of the movable body having a large length dimension is smaller than that of the movable body having a small length dimension, the descent speed of the movable body having a large length dimension is faster than that of the movable body having a small length dimension. ..

<Example 1>
Hereinafter, Example 1 embodying the present invention will be described with reference to FIGS. 1 to 5. In the following description, with respect to the vertical direction, the directions appearing in FIGS. 2 and 3 are defined as upward and downward as they are.

As shown in FIG. 1, the training device A of the first embodiment is configured to include one long elastic body 10 and two (plural) movable bodies 20 and 30. As shown in FIGS. 1 and 3, the long elastic body 10 is made by braiding three elastic rubber strings 11 made of silicone rubber. Therefore, on the outer peripheral surface of the long elastic body 10, a portion of the rubber cord 11 that is curved from outward to inward in order to form a braid exists as a plurality of protrusions 12. When the long elastic body 10 is in a free state in which it is not elastically deformed, the plurality of protrusions 12 are arranged at a constant pitch in both the length direction (axial direction) and the circumferential direction of the long elastic body 10. It is arranged like this.

The cross-sectional shape of each rubber cord 11 of the elastic cord 11 is a perfect circle, and the outer diameter of the elastic cord 11 is constant over the entire length. The outer diameter dimension and the length dimension of the three elastic cords 11 are the same. A pair of grip portions 13 are formed at both ends of the long elastic body 10 by connecting the long elastic bodies 10 in a ring shape. As shown in FIG. 2, the user U of the training device A can elastically extend the long elastic body 10 (rubber string 11) by hooking both hands H of the pair of gripping portions 13.

In the first embodiment, the diameter dimension of the virtual circle circumscribing the three rubber cords 11 (the protrusion 12 of the long elastic body 10) is defined as the outer diameter dimension of one long elastic body 10. In the free state in which the long elastic body 10 is not elastically stretched, as shown in FIG. 1, there is a gap between the three rubber cords 11. That is, in the cross section of the long elastic body 10 cut at right angles to the length direction, there is a gap between the three rubber cords 11 in the free state. When the long elastic body 10 in the free state begins to stretch, the three elastic cords 11 elastically stretch while approaching each other in the radial and circumferential directions. With the elastic elongation of the long elastic body 10, the outer diameter dimension of the long elastic body 10 becomes smaller.

The first movable body 20 is made of silicone rubber like the long elastic body 10 (rubber string 11). The first movable body 20 has a vertically long tubular shape that is vertically symmetrical with its axis oriented in the vertical direction as a whole. As shown in FIGS. 3 and 4, the first movable body 20 is formed with a first insertion hole 21 penetrating in the vertical direction. The cross-sectional shape of the first insertion hole 21 when the first movable body 20 is cut horizontally is a perfect circle. The inner diameter of the first insertion hole 21 is constant over the entire length of the first insertion hole 21. The inner diameter of the first insertion hole 21 is smaller than the outer diameter of the long elastic body 10 in the free state. The axial length (vertical direction) length dimension La of the first movable body 20 (first insertion hole 21) is larger than the pitch of the two protrusions 12 adjacent to each other in the vertical direction.

The plan view shape and the bottom view shape of the first movable body 20 are squares concentric with the first insertion hole 21. The vertical dimension of the first movable body 20 is larger than the maximum outer diameter dimension of the first movable body 20 (the diagonal length of the square in a plan view). The outer peripheral surface of the first movable body 20 is configured to include two pairs of first planes 22, two pairs of second planes 23, and four pairs of third planes 24. The first plane 22 is composed of an isosceles triangle, and those adjacent to each other vertically symmetrically having a common base form a pair. The two pairs of first planes 22 constitute the front surface and the rear surface of the first movable body 20. The second plane 23 has an isosceles trapezoid, and the lower bases are common to each other, and those adjacent to each other are paired vertically symmetrically.

The two pairs of second planes 23 form the left and right side surfaces of the first movable body 20. The third plane 24 is composed of an isosceles triangle, and those adjacent to each other are paired with each other having a common apex angle. The four pairs of third planes 24 are arranged so as to be interposed between the first plane 22 and the second plane 23 in the circumferential direction. In plan view and bottom view, the upper base of the two second planes 23 and the bases of the four third planes 24 form a regular hexagon concentric with the first insertion hole 21.

The second movable body 30 is made of silicone rubber like the long elastic body 10 (rubber string 11) and the first movable body 20. As shown in FIGS. 3 and 5, the second movable body 30 has a tubular shape whose axis is directed in the vertical direction as a whole. The second movable body 30 is formed with a second insertion hole 31 that penetrates in the vertical direction. The cross-sectional shape of the second insertion hole 31 when the second movable body 30 is cut horizontally is a perfect circle. The inner diameter of the second insertion hole 31 is constant over the entire length of the second insertion hole 31. The inner diameter of the second insertion hole 31 is smaller than the outer diameter of the long elastic body 10 in the free state, and is the same as the inner diameter of the first insertion hole 21.

The length dimension Lb of the second movable body 20 (second insertion hole 31) in the axial direction (vertical direction) is larger than the pitch of the two protrusions 12 adjacent to each other in the vertical direction, but the length of the first insertion hole 21. It is smaller than the dimension La. For example, the length dimension La of the first insertion hole 21 (first movable body 20) is about 1.7 times the length dimension Lb of the second insertion hole 31 (second movable body 30). Since the first insertion hole 21 and the second insertion hole 31 have the same inner diameter, the inner peripheral area of the first insertion hole 21 is larger than the inner peripheral area of the second insertion hole 31. The weight W (volume) of the first movable body 20 is larger than the weight W (volume) of the second movable body 30. For example, the weight W (volume) of the first movable body 20 is about 1.1 to 1.4 times the weight W (volume) of the second movable body 30.

The outer peripheral surface of the second movable body 30 is composed of two upper and lower multifaceted portions 33. The upper multi-faceted portion 33 has a form in which five polygonal faces 34 having regular pentagons having the same dimensions are adjacent to each other in the circumferential direction and are connected over the entire circumference. The lower multi-faceted portion 33 also has a form in which five polygonal faces 34 made of regular pentagons having the same dimensions are adjacent to each other in the circumferential direction and are connected over the entire circumference. The upper polygonal surface 34 and the lower polygonal surface 34 are adjacent to each other in a positional relationship shifted by a half pitch in the circumferential direction. Of the polygonal surfaces 34, the sides forming the upper end edge or the lower end edge of the second movable body 30 form a regular pentagon concentric with the second insertion hole 31 in the front view and the bottom view of the second movable body 30.

When the long elastic body 10 is in a free state in which it is not elastically stretched, the outer diameter of the long elastic body 10 is larger than the inner diameter of the first insertion hole 21, so that the long elastic body 10 is long in the first insertion hole 21. The elastic body 10 is elastically reduced in diameter. Therefore, due to the elastic restoring force of the long elastic body 10 outward in the radial direction, the long elastic body is placed between the outer periphery (protrusion portion 12) of the long elastic body 10 and the inner peripheral surface of the first insertion hole 21. A frictional force F is generated by the elastic restoring force of 10. Since the frictional force F at this time is larger than the weight W of the first movable body 20, the first movable body 20 does not descend even if the long elastic body 10 is directed in the vertical direction by its own weight. Similarly, when the long elastic body 10 is in the free state, the second movable body 30 does not descend either.

When the long elastic body 10 is elastically stretched, the outer diameter dimension of the long elastic body 10 gradually becomes smaller, so that the elastic restoration of the long elastic body 10 outward from the long elastic body 10 with respect to the first insertion hole 21. The power is also getting smaller. Therefore, when the long elastic body 10 is extended to a predetermined length, the frictional force F between the long elastic body 10 and the first insertion hole 21 (first movable body 20) becomes the weight W of the first movable body 20. The first movable body 20 starts descending because it becomes smaller than. Like the first movable body 20, the second movable body 30 also starts descending when the long elastic body 10 extends to a predetermined length.

As described above, the timing at which the first movable body 20 and the second movable body 30 start descending in the extension process of the long elastic body 10 is the weight W of each movable body 20 and 30 and the respective movable bodies 20 and 30. It is determined by the magnitude relationship with the frictional force F generated between the long elastic body 10 and the long elastic body 10. The frictional force F is determined by the coefficient of friction μ between the long elastic body 10 and the movable bodies 20 and 30, and the radial outward drag force R caused by the elastic restoring force of the long elastic body 10, and is F. It is expressed by the formula of = μ · R. The coefficient of friction μ is determined by the relationship between the material of the long elastic body 10 and the materials of the movable bodies 20 and 30.

The drag force R of the long elastic body 10 is the radial outward pressure P due to the extension amount of the long elastic body 10 (the outer diameter dimension of the long elastic body 10) and the inner circumferences of the insertion holes 21 and 31. Depends on the contact area S with the long elastic body 10 (length dimensions La, Lb and inner diameter dimensions of the insertion holes 21 and 31). Which of the first movable body 20 and the second movable body 30 starts descent first is determined by the magnitude relationship of these parameters. Depending on the parameter settings, the first movable body 20 and the second movable body 30 may start descending at the same timing.

In the case of the training device A of the first embodiment, the inner diameters of the first insertion hole 21 and the second insertion hole 31 are the same, but the number of protrusions 12 that elastically contact the inner peripheral surface of the first insertion hole 21 is , More than the number of protrusions 12 that come into contact with the inner peripheral surface of the second insertion hole 31. Therefore, when the long elastic body 10 is elastically stretched, the frictional force F generated in the first movable body 20 is larger than the frictional force F in the second movable body 30 regardless of the stretched dimension. The frictional force F is proportional to the number of protrusions 12 that elastically contact the inner peripheral surfaces of the insertion holes 21 and 31, and the number of protrusions 12 that elastically contact the inner peripheral surfaces of the insertion holes 21 and 31 is approximately the same. It is proportional to the length dimensions La and Lb (inner circumference area) of the insertion holes 21 and 31. Therefore, the frictional force F generated in the first insertion hole 21 is about 1.7 times the frictional force F generated in the second insertion hole 31.

On the other hand, the weight W of the first movable body 20 is larger than that of the second movable body 30, and the value of the ratio of the weight W of the first movable body 20 to the weight W of the second movable body 30 is about 1.1 to 1. It is 4. The weight W ratio of the first movable body 20 and the second movable body 30 is based on the value of the ratio of the frictional force F generated in the first movable body 20 and the frictional force F generated in the second movable body 30 (about 1.7). Is also small. Therefore, the second movable body 30 starts descending before the first movable body 20.

In the first embodiment, not only the weight W of the first movable body 20 and the weight W of the second movable body 30 are different, but also the friction generated in the first movable body 20 when the long elastic body 10 is in the free state. The force F and the frictional force F generated in the second movable body 30 are also different. The ratio of the weight W ratio to the frictional force F generated when the long elastic body 10 is in the free state is different between the first movable body 20 and the second movable body 30. As a result, in the process of extending the long elastic body 10, the timing of the start of descent of the first movable body 20 and the timing of the start of descent of the second movable body 30 are different.

Further, the descent speeds of the movable bodies 20 and 30 after the first movable body 20 and the second movable body 30 start descent are different from each other. When the movable bodies 20 and 30 descend, the movable bodies 20 and 30 are slightly tilted with respect to the axis of the long elastic body 10 and are below the insertion holes 21 and 31 of the movable bodies 20 and 30. The opening edge portion of the above is once caught by the protrusion 12. Immediately after that, the postures of the movable bodies 20 and 30 are tilted in different directions to pass through the protrusion 12 and be caught by the other protrusion 12, and so on.

At this time, the larger the length dimensions La and Lb of the insertion holes 21 and 31, the smaller the inclination angle of the movable bodies 20 and 30, so that the catching allowance of each of the movable bodies 20 and 30 with respect to the protrusion 12 becomes smaller. The smaller the catching allowance with the protrusion 12, the shorter the time required for the movable bodies 20 and 30 to change their postures and pass through the protrusion 12. Therefore, in the training device A of the first embodiment, the first movable body 20 having a large vertical dimension has a faster descent speed than the second movable body 30.

Next, a method of training performed using the training device A of the first embodiment will be described. Grasp the grips 13 at both ends of the long elastic body 10 with both hands H so that the training device A is located to the side of the user U (see FIG. 2) or in front of the user U. Extend both arms A. In this state, by expanding both arms A in the vertical direction, the long elastic body 10 is elastically deformed so as to extend in the vertical direction. Since the movement of extending both arms A and widening them in the vertical direction is rarely performed in daily life, the range of motion of the shoulder joint and the elbow joint can be expanded. When the joints are moved a lot, the muscles connected to the joints expand and contract greatly, so it is possible to obtain a stretching effect that stretches and loosens the muscle groups that have become stiff. Further, as the long elastic body 10 elastically stretches, the elastic restoring force stored in the long elastic body 10 increases, so that the load acting on the user U becomes stronger. As a result, the muscle strength of the upper body (arms A, shoulders, chest, back, abdomen, etc.) can be strengthened.

At this time, it is desirable to apply an appropriate load according to the physical strength of the user U, the training goal, and the like. Therefore, the user U selects any of the movable bodies 20 and 30 from the first movable body 20 and the second movable body 30. For example, when it is desired to reduce the load, the long elastic body 10 is extended so that the second movable body 30 having an early descent start timing is located below the first movable body 20. Then, the second movable body 30 starts descending at a stage where the amount of extension of the long elastic body 10 is relatively small, that is, at a stage where the load is small. Therefore, the arm A can be trained with a relatively small load by using the timing at which the second movable body 30 starts descending as a guide.

Further, when it is desired to increase the load, the long elastic body 10 is extended with the first movable body 20 having a late descent start timing directed to be located below the second movable body 30. Then, the descent of the first movable body 20 is not started until the extension amount of the long elastic body 10 becomes relatively large, that is, until the load becomes large to some extent. Therefore, the arm A can be trained with a relatively large load by using the timing at which the first movable body 20 starts descending as a guide. In this way, by using the training device A of the first embodiment, it is possible to perform training in which the magnitude of the load is changed according to the physical strength of the user U and the training goal.

Further, as another training method using the training device A of the first embodiment, the endurance can be enhanced by keeping the long elastic body 10 in an elongated state. The first movable body 20 having a high descent speed requires a relatively short descent time from the start of the descent to the end of the descent. Therefore, if the descent time of the first movable body 20 is used as a guideline for the time required to maintain the elongated elastic body 10 in the extended state, the endurance of the arm A can be increased with a relatively light load.

Further, the second movable body 30 having a slow descent speed requires a relatively long descent time from the start of the descent to the end of the descent. Therefore, if the descent time of the second movable body 30 is used as a guideline for the time required to maintain the elongated elastic body 10 in the extended state, the endurance of the arm A can be increased with a relatively strong load. In this way, by using the training device A of the first embodiment, it is possible to perform training for improving endurance according to the physical strength and training goal of the user U.

The training device A of the first embodiment has a long elastic body 10 capable of elastically deforming in a form of contracting in diameter as it extends, and a long elastic body 10 capable of moving in the length direction. It has a first movable body 20 and a second movable body 30 fitted. In the free state where the long elastic body 10 is not elastically deformed, the movement of the first movable body 20 and the second movable body 30 is restricted by the friction between the long elastic body 10. The training device A of the first embodiment can be used in a plurality of modes according to the physical strength of the user U and the training goal.

That is, the timing at which the first movable body 20 and the second movable body 30 start descending in the process of extending the long elastic body 10 in the vertical direction is the timing of the first movable body 20 and the second movable body 30. They are different from each other. Depending on the vertical arrangement order of the first movable body 20 and the second movable body 30 when the long elastic body 10 is extended in the vertical direction with both hands H, and the amount of extension of the long elastic body 10, the first The descent form of the 1 movable body 20 and the 2nd movable body 30 changes. Therefore, by selecting the arrangement order of the two movable bodies 20 and 30 and using the descent form of the both movable bodies 20 and 30 as a guide, an appropriate load can be applied according to the physical strength of the user U and the training target. ..

Further, the descent speed of the first movable body 20 and the second movable body 30 when the long elastic body 10 is extended in the vertical direction to a predetermined length is such that the first movable body 20 and the second movable body 30 mutually. There are differences between them. As a result, when the long elastic body 10 is extended to a predetermined length, the required descent time of the first movable body 20 and the required descent time of the second movable body 30 are different from each other. When training to maintain the long elastic body 10 in the extended state, one of the movable bodies 20 and 30 is selected according to the physical strength of the user U and the training target, and the selected movable bodies 20 and 30 are lowered. The required time can be used as a guideline for the elongation maintenance time of the long elastic body 10.

The configuration in which the descent speeds of the first movable body 20 and the second movable body 30 are different is as follows. A plurality of protrusions 12 are provided on the outer periphery of the long elastic body 10 so as to be arranged in the length direction of the long elastic body 10. The first movable body 20 and the second movable body 30 have different length dimensions La and Lb in the axial direction of the long elastic body 10. In the process of descending the movable bodies 20 and 30, the movable bodies 20 and 30 are repeatedly tilted in different directions after being caught in the protrusion 12 by slightly tilting their postures and then coming off the protrusions 12. At this time, since the inclination angle of the first movable body 20 having a large length dimension La is smaller than that of the second movable body 30 having a small length dimension Lb, the descent speed of the first movable body 20 having a large length dimension La is small. Is faster than the second movable body 30 having a small length dimension Lb.

<Other Examples>
The present invention is not limited to the examples described by the above description and drawings, and for example, the following examples are also included in the technical scope of the present invention.
In the above embodiment, the inner diameters of the first insertion hole and the second insertion hole are the same, but the inner diameters of both insertion holes may be different. Also in this case, by making the weight (volume) of the first movable body and the second movable body, the material, the length dimension of the insertion hole, the surface roughness of the insertion hole, etc. different, the descent start timing and the descent speed Can be made different between both movable bodies.
In the above embodiment, the length dimensions of the first insertion hole and the second insertion hole are different, but the length dimensions of both insertion holes may be the same. In this case, by making the weight (volume) of the first movable body and the second movable body, the material, the inner diameter dimension of the insertion hole, the surface roughness of the insertion hole, etc. different, both the descent start timing and the descent speed can be set. It can be different between movable bodies.
In the above embodiment, the weight (volume) of the first movable body and the second movable body are different, but the weight (volume) of the first movable body and the second movable body may be the same. In this case, by making the materials of the first movable body and the second movable body, the inner diameter dimension of the insertion hole, the length dimension of the insertion hole, the surface roughness of the insertion hole, etc. different, the descent start timing and the descent speed Can be different between both movable bodies.
In the above embodiment, the first movable body and the second movable body are made of the same material, but the material of the first movable body and the material of the second movable body may be different. In this case, the weight (volume) of the first movable body and the second movable body, the inner diameter dimension of the first insertion hole and the second insertion hole, the length dimension of the first insertion hole and the second insertion hole, and the first insertion hole. By making the surface roughness of the second insertion hole different, the descent start timing and the descent speed can be made different between the two movable bodies.
In the above embodiment, the cross-sectional shapes of the first insertion hole and the second insertion hole are perfect circles, but the cross-sectional shapes of the first insertion hole and the second insertion hole are perfect circles such as oval, elliptical, and polygonal. It may have a shape other than that.
In the above embodiment, the inner peripheral surfaces of the first insertion hole and the second insertion hole are formed of a smooth curved surface, but the inner peripheral surfaces of the first insertion hole and the second insertion hole are along the length direction. It may be in a form in which ribs are formed, or in a form in which a plurality of protrusions are arranged in a length direction or a circumferential direction.
In the above embodiment, the inner diameter dimension of the first insertion hole is constant over the entire length of the first insertion hole, but the inner diameter dimension of the first insertion hole may be partially different in the length direction. It may change gradually along the vertical direction.
In the above embodiment, the inner diameter dimension of the second insertion hole is constant over the entire length of the second insertion hole, but the inner diameter dimension of the second insertion hole may be partially different in the length direction and is long. It may change gradually along the vertical direction.

In the above embodiment, two movable bodies are externally fitted to one long elastic body, but the number of movable bodies externally fitted to one long elastic body may be three or more. In this case, the timing of the start of descent may be different among all the movable bodies, or may be the same among some of the movable bodies. Further, the descent speed when the long elastic body is extended to a predetermined length may be different among all the movable bodies, or may be the same among some of the movable bodies.
In the above embodiment, the long elastic body is made by braiding three rubber bands having the same shape and the same dimensions, but the long elastic body may be one rubber band. It may be a bundle of multiple rubber bands without braiding, a coiled elastic wire such as rubber, synthetic resin or metal (coil spring), or a combination of multiple rubber bands. It may be.
In the above embodiment, the material of the long elastic body is silicone rubber, but the material of the long elastic body may be other than silicone rubber.
In the above embodiment, the material of the first movable body is silicone rubber, but the material of the first movable body may be other than silicone rubber.
In the above embodiment, the material of the second movable body is silicone rubber, but the material of the second movable body may be other than silicone rubber.
In the above embodiment, the material of the long elastic body is the same as that of the first movable body and the second movable body, but the material of the long elastic body is different from that of the first movable body and the second movable body. There may be.

In the training equipment of the above embodiment, a motion sensor (acceleration sensor, gyro sensor) for detecting the movement of the movable body and a microcomputer are built in at least one of the first movable body and the second movable body, and the detection from the motion sensor is performed. The usage of the training equipment may be analyzed and recorded based on the signal.
In the training equipment of the above embodiment, a motion sensor (acceleration sensor, gyro sensor) for detecting the extension state, movement, etc. of the long elastic body is attached to the long elastic body (grasping parts at both ends, etc.), and the motion sensor is used. The usage status of the training equipment may be analyzed and recorded based on the detection signal.
In the training equipment of the above embodiment, at least one of the first movable body and the second movable body has a built-in device that mechanically emits sound by vibration or impact like a bell, or sounds and music can be produced by operating a switch. It may have a built-in sound source or speaker that sounds electrically, or a built-in electronic device that detects the movement of a moving body with a sensor and outputs sound or music. In this way, training can be performed while enjoying the sounds and music with the ears. In addition, when the training device is used by turning it to the back side, the movement of the movable body can be recognized by sound.
In the training equipment of the above embodiment, a long elastic body (grasping parts at both ends, etc.) has a built-in equipment that mechanically emits sound by vibration or impact like a bell, or the sound or music is electrically operated by operating a switch. It may have a built-in sound source or speaker that sounds in, or a built-in electronic device that detects the stretched state or movement of a long elastic body and outputs sound or music. In this way, training can be performed while enjoying the sounds and music with the ears.
In the training equipment of the above embodiment, at least one of the first movable body and the second movable body is provided with a light source that emits an LED or the like by operating a switch, or an electronic device that detects the movement of the movable body with a sensor and emits light. It may be built in. In this case, the color may change or the blinking form may change. In this way, you can train while enjoying the light with your eyes.
In the training equipment of the above embodiment, the long elastic body is provided with a light source that emits an LED or the like by operating a switch, or an electronic device that emits light by detecting the extended state or movement of the long elastic body with a sensor is built in. May be good. In this case, the color may change or the blinking form may change. In this way, you can train while enjoying the light with your eyes.

A ... Training equipment La ... Length dimension of the first movable body Lb ... Length dimension of the second movable body 10 ... Long elastic body 12 ... Protrusion 20 ... First movable body (movable body)
30 ... Second movable body (movable body)

Claims (3)

A long elastic body that can be elastically deformed in a form that shrinks in diameter as it expands,
A plurality of movable parts that are externally fitted to the long elastic body so as to be able to move in the length direction, and are restricted from moving by friction with the long elastic body when the long elastic body is not elastically deformed. With a body
A training device characterized in that the timing at which the movable body starts descending in the process of extending the long elastic body in the vertical direction is different between the plurality of movable bodies. A long elastic body that can be elastically deformed in a form that shrinks in diameter as it expands,
A plurality of movable parts that are externally fitted to the long elastic body so as to be able to move in the length direction, and are restricted from moving by friction with the long elastic body when the long elastic body is not elastically deformed. With a body
A training device characterized in that the descending speed of the movable body when the long elastic body is extended in the vertical direction to a predetermined length is different between the plurality of movable bodies. A plurality of protrusions are provided on the outer periphery of the long elastic body so as to be arranged in the length direction of the long elastic body.
The training device according to claim 1 or 2, wherein the plurality of movable bodies have different length dimensions from each other.

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