JP2020118269A - Vibration absorption device of training machine - Google Patents

Abstract

To provide a vibration absorption device for a training machine which absorbs vertical vibration occurring by use of the training machine.SOLUTION: A vibration absorption device for a training machine has: a leg placement plate 0202 on which a leg 0201 of the training machine is placed; a leg restriction part 0203 which restricts slippage on the leg placement plate 0202; a base 0204 for supporting the leg placement plate 0202 directly or indirectly; elastic members 0205 installed on the base 0204 and supporting the leg placement plate 0202 directly or indirectly; and maximum separation distance restriction parts 0206 for restricting a maximum separation distance between the base 0204 and the leg placement plate 0202.SELECTED DRAWING: Figure 2

Description

The present invention relates to a vibration absorbing device for a training machine.

Many sports gyms are equipped with anti-slip and vibration absorbing equipment to prevent the training equipment from moving to the left, right, front and back due to vibration. The existing vibration absorber had an effect on the vibration in the direction parallel to the surface on which the training device is installed, that is, on the left and right sides. The effect was weak against vertical vibration.

JP-A-62-278335

The vertical vibration occurs when the user performs a vertical motion with respect to the training machine, and a particularly large force acts on, for example, a running machine or a lifting machine. The vibration in the vertical direction is dispersed not only in the vertical direction but also in all the left, right, front, and rear directions, resulting in severe wear of the floor material. In particular, if the floor material is easily worn or is fragile, the training machine may cause the floor material to tear or crack.

In addition, the exercise in the vertical direction gives a large impact in the floor direction from the training machine when a part of the user's body, such as a foot, lands on the training machine. This impact is transmitted to the building components through the floor, which causes noise problems. In non-robust buildings, the noise generated in the downstairs and adjacent rooms is a problem. In recent years, as the demand for installing a training machine in a home or office building has increased, consideration has been given to measures for the surrounding environment.

Therefore, there has been a demand for a technique for a training machine to absorb vertical vibrations.

Therefore, in order to solve the above problems, the present invention provides the following vibration absorbing device for a training machine. That is, as a first invention, there is provided a vibration absorbing device for absorbing a vibration applied to a floor surface from legs supporting a training machine on a floor, the leg mounting plate mounting the legs, and the leg mounting plate of the legs. A leg restricting portion for restricting slippage on the base, a base for directly or indirectly supporting the leg mounting plate with an elastic member, and an elastic member installed on the base for directly or indirectly supporting the leg mounting plate, (EN) Provided is a vibration absorbing device for a training machine, which comprises a maximum separation distance restricting portion for restricting a maximum separation distance between a base and a footrest plate.

Next, as a second invention, there is provided the vibration absorbing device for a training machine according to the first invention, wherein the elastic member is a coil spring, and the upper and lower surfaces of the coil are at least partially formed on the same plane. ..

Next, as a third invention, a vibration absorbing apparatus for a training machine according to the second invention, wherein the base is provided with a coil spring or/and is loosely fitted to have a base restricting portion for standing the coil spring on the base. Provide a device.

Next, as a fourth invention, a leg placing plate lower regulating portion is provided on the back side of the leg placing plate so as to cover or/and loosely fit the coil spring to regulate the coil spring on the back side of the leg placing plate. A vibration absorbing device for a training machine according to the second invention or the third invention is provided.

Next, as a fifth invention, a base accommodating box for accommodating a base and having an upper surface opening, a skirt portion hiding at least an upper portion of a side surface of the base accommodating box, and a base accommodating lid having a back surface supported by a coil spring, A vibration absorbing device for a training machine according to any one of the second to fourth inventions further comprising:

Next, as a sixth invention, a training machine with a vibration absorbing device that absorbs vibration applied to the floor surface from the training machine, wherein the training machine main body is supported by elastic members at at least three or more support positions. With a vibration absorbing device having a base, an elastic member installed on the base for supporting the training machine main body at each support position, and a maximum separation distance restriction unit for restricting the maximum separation distance between the base and the training machine main body Provide a training machine.

By using the vibration absorbing device for the training machine provided by the present invention, it is possible to absorb all the vertical vibration and the left-right front-back vibration at the same time, and more effectively prevent the training machine from falling. At the same time, it is possible to prevent noise.

Conceptual diagram showing an example of using the vibration absorber Conceptual cross-sectional view of the assembled vibration absorber In the first embodiment, an example of a mode in which the shock applied from the legs of the training machine of the present vibration absorber is dispersed and absorbed by the spring of the present vibration absorber. The figure which shows an example of a structure of the screw of this subject vibration absorption apparatus in Embodiment 2. FIG. 10 is a diagram showing an example of the relationship between the upper base restricting portion and the coil spring of the present vibration absorbing device in the third embodiment. The figure which shows an example of the relationship between the leg placement board lower control part of this case vibration absorber and a coil spring in Embodiment 4. The figure which shows an example of a structure of the base of this case vibration absorption apparatus in Embodiment 5. The figure which shows an example of a structure of the base accommodation box of this subject vibration absorption apparatus in Embodiment 5. The figure which shows an example of a structure of the base accommodating lid of the present vibration absorber in Embodiment 5. The figure which shows an example of a structure of the leg mounting plate of this subject vibration absorption apparatus in Embodiment 5. In the fifth embodiment, an example view showing a state in which a base is housed in a base housing box of the present vibration absorber. In the fifth embodiment, an example diagram showing a state in which the base housing lid of the present vibration absorbing device is put on the base housing lid housing the base. In the fifth embodiment, an example diagram showing a situation in which the leg mounting plate of the present vibration absorbing device is arranged on a base housing lid which covers a base housing box housing a base. The figure which shows the state which assembled the nut in the maximum separation distance control part of this vibration absorber in Embodiment 5, and completed assembly. The figure which shows an example of a structure of the nut of the maximum distance separation regulation part of this invention vibration absorption apparatus in Embodiment 1. An example of a plan view of a leg placement plate for rear legs (same for left and right) of the training machine according to the first embodiment as viewed from above An example of a conceptual side view of the leg placement plate for the rear legs (same for left and right) of the training machine in the first embodiment An example of a plan view of the leg placement plate for the right front leg (the left side has a symmetrical structure) of the training machine in the first embodiment as seen from above An example of a conceptual side view seen from the traveling direction of the leg mounting plate for the right front leg (left is a symmetrical structure) of the training machine in the first embodiment An example of a conceptual side view seen from the direction opposite to the traveling direction of the leg mounting plate for the right front leg (left has a symmetrical structure) of the training machine in the first embodiment The conceptual side view seen from the left direction with respect to the traveling direction of the leg placement plate for the right front leg (the left side has a symmetrical structure) of the training machine in the first embodiment.

Embodiments of the present invention will be described below with reference to the drawings. In the following description, the first embodiment is claim 1, the second embodiment is claim 2, the third embodiment is claim 3, the fourth embodiment is claim 4, the fifth embodiment is claim 5, and the fifth embodiment is claim 5. The sixth embodiment corresponds to claim 6, respectively. The contents of the present invention are not limited to the following examples, and various modifications can be made without departing from the scope of the present invention.

<Embodiment 1>
<Outline of First Embodiment>
The invention in the present embodiment is an invention relating to a vibration absorbing device that mounts legs supporting a training machine on the floor and absorbs vibrations of the training machine.

<Embodiment 1 of the invention>
FIG. 1 is a conceptual diagram showing an example of use of the present vibration absorber. As shown in the figure, the present vibration absorber (0103) is trained on the present vibration absorber in order to absorb the vibration applied to the floor surface from the legs (0102) supporting the training machine (0100) on the floor. Place the machine legs and use. The training machine shown in the figure is a general running machine having a running belt (0101), an operation screen (0104), a television (0105), and a steering wheel (0106), but a running machine having another structure. It may be a machine or a training machine other than a running machine. FIG. 2 is a conceptual cross-sectional view of an assembly-completed vibration absorbing device of the present invention in which the portion A of FIG. 1 is enlarged. As shown in the figure, the present vibration absorbing device includes a leg placing plate (0202) on which a leg (0201) is placed, a leg restricting portion (0203) that regulates slippage of the leg on the leg placing plate, A base (0204) for directly or indirectly supporting the leg mounting plate with an elastic member, an elastic member (spring in the figure) (0205) installed on the base for directly or indirectly supporting the leg mounting plate, and a base. And a maximum separation distance restricting portion (0206) for restricting the maximum separation distance between the footrest and the footrest plate. The force applied from the legs of the training machine toward the mounting plate is dispersed by the mounting plate and is absorbed by the elastic member (spring in the figure) installed on the base, whereby the vibration is absorbed. FIG. 3 shows an example of a mode in which the force applied from the legs of the training machine is dispersed and absorbed by the elastic member (spring in the figure). The figure shows the case where the force applied from the legs of the training machine is biased toward the front or back by the mounting plate, and in the figure, the spring installed on the front side is the elastic member installed on the rear side (one example is It contracts at a higher rate than the spring). A feature of the vibration absorbing device of the present invention is that each spring independently absorbs a force that is unevenly distributed according to how the force is applied, so that vertical vibrations can be effectively absorbed. is there.

<Description of Configuration of First Embodiment>
<Definition of elastic member>
The elastic member is not particularly limited as long as it has elasticity. As typical examples, various springs (coil springs, leaf springs, etc.), rubber members, shock absorbers, airbag cushions, oil dampers, air dampers, etc. can be used. In the specification of the present application, a spring is exemplified as the elastic member in claim 1, and the elastic member is limited to a coil spring in claims 2 to 5. With respect to claim 6, the elastic member is not limited, but a coil spring will be exemplified and described.

<Embodiment 1 Footrest plate>
The "leg mounting plate" is a plate for mounting legs that support various training machines on the floor. Since the footrest plate is the point where the load due to vibration is applied most in addition to the weight load, it is not only made of a strong material, but also rusted by the sweat of trainees and drinking water during training. It is desirable to use a material that does not exist. For example, it is made of metal such as stainless steel, which is an alloy steel containing chrome or chrome and nickel, which does not easily rust.

The leg mounting plate preferably has a larger surface area than the thick mounting area of the legs to be mounted.
Specifically, when the projected area of the legs is S, the area A of the mounting plate is
1.5S≦A≦3S
Is preferred.

The leg mounting plate may have a polygonal shape including a square or a rectangle, an ellipse or a circle. Further, the plate need not be a flat plate, and a skirt may be arranged on (at the entire length or part of) the flat plate or at (at the full length or part of) the partial edge. In order to realize a stable arrangement with the base, which will be described later, it is preferable to have a structure in which the spring arranged on the base can be housed in the skirt of the leg mounting plate.

<First Embodiment Specific Configuration>
FIGS. 16 and 17 and FIGS. 18 to 21 show concrete examples of the leg mounting plate of the vibration absorbing device for the rear legs of the training machine and the right leg mounting plate of the vibration absorbing device for the front legs of the training machine, respectively. It is a figure which shows the example of a typical structure.

FIG. 16 is a plan view showing an example of the leg mounting plate (1601) of the rear leg viewed from the upper side. The direction of the arrow 1605 shown in the figure indicates the direction in which the user simulatedly travels on the running belt when a running machine is adopted as the training machine. FIG. 17 is a side view of the leg mounting plate shown in FIG. All four sides have the same drawing.

FIG. 18 is a plan view showing an example of the leg placement plate (1801) for the right front leg of the training machine seen from above. The direction of the arrow 1803 shown in the figure indicates the direction in which the user simulatively advances on the running belt when a running machine is adopted as the training machine. 19 is a side view of the leg mounting plate shown in FIG. 18 when viewed from the traveling direction, and FIG. 20 is a side view when the leg mounting plate shown in FIG. 18 is viewed from the opposite direction to the traveling direction. 21 is a side view of the leg mounting plate shown in FIG. 18 as seen from the left in the traveling direction. The parts designated by hiragana in FIGS. 18 to 21 are the same parts of hiragana. Similarly, the lengths shown in alphabets are also the same. Note that the state viewed from the right and the state viewed from below in the traveling direction can be specified from the already illustrated drawings of FIGS. 18 to 21.

<Embodiment 1 Leg mounting plate: Specific configuration 1 Rear legs (same left and right)>
It is preferable to set the length of one side of the leg mounting plate (A in FIG. 16) between 150 mm and 250 meters and the length of the other side (B in FIG. 16) between 150 mm and 250 mm. If the value is smaller than the value specified by the lower limit, the vibration absorber will be too light relative to the training machine to be placed, and the vibration absorber will move due to the rolling and upper vibration of the training machine. There is a risk of instability. If the value is larger than the value specified by the upper limit, the overall weight becomes too heavy, and it may be difficult for one person to carry the present vibration device. If one side is set between 190 mm and 210 mm and the other side is set between 190 mm and 210 mm, it is easy to carry the vibration absorbing device while maintaining the lightness with almost no risk of impairing stability. It is a combination that can be made lighter.

FIG. 17 is an example of a conceptual side sectional view of the leg mounting plate (1701). The thickness of the leg mounting plate (L in FIG. 17) is preferably between 4 mm and 10 mm. If the thickness is less than 4 mm, the strength of the leg mounting plate will be weakened, and the load of the training machine will not be able to be endured. If the thickness is thicker than 10 mm, the vibration absorbing device of the present invention becomes too heavy, and it becomes difficult to carry it alone. If the height of the leg restricting portion (1702) (M in FIG. 17) is less than 10 mm, which is preferably between 10 mm and 20 mm, the way the training machine is caught on the leg becomes weak, and the leg of the training machine is lowered. It becomes impossible to regulate. If it is larger than 20 mm, it becomes difficult to place the legs of the training machine.

<Embodiment 1 Leg mounting plate: Specific configuration 2 Front leg (right: left is symmetrical structure)>
FIG. 18 is a plan view of the leg mounting plate (1801). In the figure, (A) is a leg mounting plate, and I, U, E, and O indicate each wall of the leg restricting portion. It is preferable that the long side of the leg mounting plate (a in FIG. 18) is between 350 mm and 470 mm, and the short side of the leg mounting plate (b in FIG. 18) is 150 mm to 250 mm. .. The reason is as described above. FIG. 19 is a conceptual right side view. Also in this figure, (A) in the figure is a leg mounting plate, and I, U, E, and O indicate each wall of the leg regulating portion. The height (g in FIG. 19) of the leg placement plate (a) is preferably between 4 mm and 10 mm. The reason is as described above.

<Embodiment 1 Leg regulating unit>
The "leg regulating unit" regulates the sliding of the leg of the training machine on the leg mounting plate. When a shock is applied to the vibration absorber by the training machine, not all kinetic energy is transferred to the vibration absorber. Since a part of the kinetic energy that has not been transmitted to the vibration absorbing device remains on the legs of the training machine, the legs of the training machine slip slightly on the leg mounting plate. If you leave it in a slipping state, the training machine may eventually fall from the vibration absorber and cause the training machine to fall. Therefore, the present vibration absorbing device is required to have a structure that restricts the movement of the training machine so that the legs of the training machine do not fall from the leg mounting plate. However, it is preferable to allow some slippage because the shock of the training machine can be absorbed.

For example, it is conceivable to construct the fence structure as shown in FIG. 2 as the regulation portion. As shown in the figure, when the leg restricting part is configured like a fence surrounding the leg, the leg restricting part is firmly fixed to the leg mounting plate by welding, or is integrally formed with the mounting plate. It is preferable to be configured.

Further, it is not necessary that the heights of the fences be the same on all the surrounding surfaces, and the fences on each surface may be formed with a height difference. It is possible to mount the legs and then fix the separated and independent peripheral wall to the leg mounting plate with bolts etc. to integrate it, but in this case, the bolts of the restriction part may loosen due to vibration, so training There is a possibility that the leg regulation portion, which is the peripheral wall, may be unfixed due to the load applied from the machine. Therefore, it is desirable that they be firmly fixed by integral formation or welding.

When firmly fixed by integrally forming or welding, a situation may occur in which the shape of the restriction portion completely matches the shape of the leg portion. However, the complete fixing is rather undesirable from the viewpoint of absorbing the shock given to the training machine by the user. Therefore, it is not necessary for the restriction portion to be in close contact with the leg portion, as long as the movement of the leg portion can be restricted within a certain range. Here, the constant range means that the projected area of the leg portion is W and the area surrounded by the restriction portion is M,
1.2W≦M≦1.6W
It is preferable to configure it so as to be in the range. If the width is less than 1.2 W, the ability to absorb the slippage due to the lateral vibration of the training machine on the leg mounting plate becomes too low. On the other hand, if the width is larger than 1.6 W, the useless area becomes large and the weight of the vibration absorbing device of the training machine becomes too heavy, which is not preferable.

<Embodiment 1 Leg regulating part: Specific configuration 1 Rear legs (left and right are the same)>
The length of one side (C in FIG. 16) of the leg regulating portion (1602) illustrated in FIG. 16 is set between 50 mm and 150 mm, and the length of the other side (D in FIG. 16) is set between 50 mm and 150 mm. Preferably. As will be described later, it is preferable to select an appropriate size for the leg restricting portion in accordance with the size of the running machine. However, if the leg restricting portion is formed by a square having a side length of 100 mm, various types can be used. It is possible to correspond to the training machine of. It is preferable that the leg restricting portions are arranged such that the center of gravity thereof is located equidistant from the left and right sides of the leg mounting plate and/or equidistant from the upper and lower sides thereof. The most preferable arrangement is when the center of the leg restricting portion and the center of the leg mounting plate are aligned with each other.

If the distance between the center of the leg regulation part (center of gravity on the figure) and the expansion and contraction axes of all elastic bodies (springs as an example) to be described later is equal to the projected position on the mounting plate, the leg regulation part is mounted. This is preferable because the weight of the placed legs is evenly distributed. The thickness (1604) of each wall of the leg regulating portion is preferably between 1 mm and 3 mm. If the thickness of the leg control part is less than 1 mm, the leg control part may be damaged by the load supporting the legs of the training machine. If the thickness of the leg control part is more than 3 mm, the training machine may be installed in the leg control part. It becomes difficult to place.

The distance (J in FIG. 16) from one side of the leg placement plate to the leg regulating portion is preferably between 40 mm and 80 mm. The distance from the other side of the leg mounting plate to the leg regulating portion (K in FIG. 16) is also preferably between 40 mm and 80 mm. If the distance from one side of the leg mounting plate to the leg restricting part is shorter than 40 mm, the leg of the training machine that has passed over the leg restricting part is likely to be immediately detached to the floor surface, or from one side of the leg mounting plate. If the distance to the leg restricting portion is longer than 80 mm, the leg placement plates will pop out to the left and right of the training machine, which will be an obstacle when walking around. In some cases, you may be injured by hitting your little toe, or you may stumble and fall.

<Embodiment 1 Leg regulating part: Specific configuration 2 Front leg (right: left is the target structure)>
18 to 21 show the leg mounting plate of the vibration absorber of the front leg (right) of the training machine. The leg regulating portion (I, U, E, O) shown in the figure is characterized by being constituted by a combination of four walls having different lengths and shapes. In the figure, the leg restriction part indicated by "O" is a wall standing on the right side of the front legs of the training machine, and the leg restriction part indicated by "u" is a wall standing on the front side of the front legs of the training machine. The leg control part indicated by "I" is a wall that stands on the left side of the front leg of the training machine (inside the training machine), and the leg control part indicated by "E" in the figure is the front leg rear side (training machine) of the training machine. It is a wall that stands on the inside.

It is preferable that the height (h in the figure) of one side of the leg restricting portion shown by (ii) in the figure and one side of the leg restricting portion shown by (e) in the figure is between 5 mm and 12 mm. If it is less than 5 mm, the way the training machine's legs are caught is weakened, and the training machine's legs cannot be fully regulated. Relatively lower than the other walls are the walls that prevent the legs from slipping inside the training machine, which is outside the other vibration absorbers located in opposite positions. This is because the movement in that direction is restricted by the relatively tall walls that prevent the legs from sliding down. If it is larger than 12 mm, it becomes difficult to install the training machine on the vibration absorber. The width (l in the figure) of the leg restricting portion shown by (i) in the figure is preferably between 6 mm and 10 mm.

The restriction portion indicated by (o) in the figure has a height (i in FIGS. 19 and 20) between 20 mm and 40 mm, a width (j in FIGS. 19 and 20) between 20 mm and 40 mm, and an opening angle (FIG. 19 and α in FIG. 20 is a dogleg-shaped flat plate of 40 to 50 degrees. The restriction portion indicated by (u) in the drawing has a dogleg-shaped structure that opens at a right angle, and the height (k in FIGS. 19 and 20) is between 20 mm and 30 mm. In particular, with a training device in which force is likely to be applied in a certain direction, the leg regulation wall on the leg mounting plate in the direction in which the training machine shifts outward, as in this structure, is indicated by a V-shaped wall It is possible to more firmly regulate the leg with respect to the portion to which the force is applied.

If the height of the two side walls is lower than 20 mm, it cannot be said that strong vibration can be absorbed. If the height is higher than 40 mm, the leg restricting portion may collide with the training machine body. The width of these walls (m in the figure) is preferably set between 1 mm and 5 mm. If the thickness is less than 1 mm, there is a risk that the training machine disposed in the leg regulation part may be broken due to impact. If it is thicker than 5 mm, the specifications will be exceeded.

<Embodiment 1 base>
The "base" directly or indirectly supports the leg mounting plate with an elastic member (typically, a spring). The base is a member that is located on the floor side rather than the training machine side when the present vibration absorbing device is used. In addition to the training machine, the base is loaded with the weight of all the members that make up the vibration absorbing device of the present invention, such as a mounting plate, and is therefore made of a material having strength. For example, it is made of metal such as stainless steel, which is an alloy steel containing chrome or chrome and nickel, which does not easily rust. In addition, if the base is not stable, the base itself may move due to the shock when the spring absorbs vibration and expands and contracts, and as a result, the training machine may fall. Therefore, it is preferable that the base material has a wide flat plate structure.

Specifically, a plate-shaped member (0801) as shown in FIG. 8 is preferable. Although it is a square in the figure, it may be circular or polygonal. The shape is preferably line-symmetrical, but the vibration absorbing effect is not significantly reduced by forming the L-shape. The line symmetry is considered preferable because it is preferable that the base is configured so that the force is evenly distributed with respect to the ground plane in order to prevent the base from moving due to vibration.

On the base, an elastic member (a spring as an example in 0802 in the figure) described later and at least a part (0803) of the maximum separation distance restricting portion are installed. As a method of installing the elastic member on the base, if the spring is simply placed, the spring may move due to vibration, or may fall. Therefore, it is conceivable to weld it to the surface of the base, or to dispose the spring by mounting a spring fitting portion for fixing the spring to the base or a base upper restriction portion described later on the base. As a method of disposing the maximum separation distance restricting portion on the base, a method of integrally forming the maximum separation distance restricting portion with the base, a method of welding directly on the base, or the like can be considered. Since the maximum separation distance restricting part is a part to which a force is applied in the left-right direction and the upward direction, the maximum separation distance restricting part should not shake even if a force is applied in the left-right direction or the upward direction. This is because it is desirable that the base and the maximum separation distance regulating portion be firmly fixed so as not to separate. In the case of welding, there are three possible parts to be welded: below the base, in the base, and above the base.

When a through hole is provided in the base and bolts and screws are erected from under the base plate and welded on the back side of the base plate, the head of the bolt protrudes on the back surface of the base plate and the grounding surface of the floor of the base is Since it is not flat, it becomes unstable and may damage the floor on which the training machine is placed, which is not preferable.

When a through hole is made in the base and a recess for accommodating the heads of bolts and screws is provided and welding is performed in the recess, there is a problem that the base material of the part where the maximum separation distance restriction part is welded becomes thin. is there. Therefore, in this case, it is necessary to make the base thickness sufficiently thick. In order to support the maximum separation distance restricting part even if it receives an impact from the left and right directions and from the leg mounting plate, the contact point between the base and the maximum separation distance restricting part is the part to which the most force is applied. Some welding needs to be done.

When the heads of bolts and screws are welded on the base, the risk of damage to the base is relatively small because the base is not cut.

When integrally forming the maximum separation distance regulating portion on the base, a method of molding using a mold can be considered. In addition to the possibility that the maximum separation distance regulation part may break when removing from the mold, the cost of production is high in addition to the welding type that can be mass-produced by the work of cutting a large plate and cutting a long and narrow rod Become. Therefore, the welding method is preferable to the integrally forming method.

<Embodiment 1 Elastic member>
The "elastic member" is installed on the base and directly or indirectly supports the leg mounting plate. As shown in FIG. 2, a spring can be considered as an example of the elastic material. Hereinafter, as described above, the elastic material will be described as a spring. When the present vibration absorber is used, the leg mounting plate is in a state of resting on the spring. Then, the spring expands and contracts according to the force applied from the leg mounting plate like a cushion, and absorbs the vibration like a cushion. The spring is a member that absorbs vibration, and is a member that is most worn, so it is made of a material having strength. The material of the spring is a metal called spring steel. Spring steel refers to steel for springs formed by hot forming in a narrow sense, and also includes steel for springs formed by cold forming in a broad sense. The material shape of spring steel is classified into two types, elongate wire rod/bar material and flat plate material. For example, high carbon steel, alloy steel, and stainless steel are typical examples of metals used as spring steel.

The spring constant K is
50 N/kg≦K≦65 N/kg
The range is preferably When the spring constant is smaller than 50 N/kg, the spring is easily bent, and when the spring constant is larger than 65 N/kg, the spring is hard to be bent even when a large force is applied. More preferably,
56 N/kg≦K≦60 N/kg
The range is preferably When the spring constant is between 56 N/kg and 60 N/kg, the spring can expand and contract with respect to the impact force given by the user of the machine weighted on the training machine, regardless of the body type of the user.

Further, the spring constant (the elastic coefficient in the case of an elastic body; the same applies hereinafter) may be a different value depending on the shape of the training machine, the weight distribution to each leg of the training machine, and the magnitude of the impact received from the user. .. Alternatively, the number of springs may be different depending on the weight distribution to each leg of the training machine and the magnitude of the impact received from the user. In general, the front leg of the training machine is loaded more heavily than the rear leg, and the impact received from the user is also large, so increase the spring constant of the vibration absorber on the front leg side or place it on the base. It is preferable to increase the number of springs.

<First Embodiment Arrangement of Elastic Member>
The number of the elastic members erected on the base is not particularly limited, but the center point of the elastic member and the center of gravity of the polygon forming the base or the circle forming the base (hereinafter simply referred to as the “center of gravity point”). ), it is preferable to construct a symmetrical figure. This is because the footrest plate vibrates tilted about the center of gravity due to the impact at the time of landing. Further, it is preferable that the standing position of the elastic member is inside the maximum separation distance restricting portion described later. Since the maximum separation distance regulation unit regulates the separation distance between the leg mounting plate and the base of the vibration absorbing device of the present case, the separation distance between the leg mounting plate and the base does not become larger than the maximum separation distance regulating unit. .. Therefore, when the elastic member is outside the maximum separation distance restricting portion, the expansion/contraction region of the elastic member>the distance regulated by the maximum separation distance restricting portion, and the elasticity of the elastic member cannot be maximized. ..

<Embodiment 1 maximum separation distance regulating unit>
The "maximum separation distance regulation unit" regulates the maximum separation distance between the base and the leg placement plate. As shown in FIG. 2, it is possible to use a bolt that is erected on the base, nuts and screws that are fitted to the bolt, and a mushroom-shaped structure that is erected on the base. The maximum separation distance restricting portion has a function of preventing the leg mounting plate from separating from the support, which is an elastic member on the base, and separating from the spring. Alternatively, when the spring is slightly contracted from the beginning and installed on the base, there is an effect that the spring is restrained in order to prevent the spring from being fully extended. Further, as shown in FIG. 3, when unbalanced forces are applied and the spring is biased toward one side and the spring is compressed, it is possible to prevent other springs that are not compressed from rising too high.

The maximum distance-separation restricting unit has bolts, nuts, or screws that are difficult to loosen due to vibration and is erected on the base, and the heads of the bolts or screws penetrate the leg restricting plate. When using the bolts and nuts, the maximum separation distance is regulated by tightening the nut on the head penetrating the leg mounting plate at a position above the leg mounting plate. It is preferable that the nut fitted to the maximum separation distance regulating portion has a structure as shown in FIG. By forming the wing (1501) on the uppermost part of the internal thread (1502) of the nut (1500), the inner diameter is partially made smaller than the bolt diameter, and the nut is prevented from traveling below a certain distance. It is possible. When using a member with a mushroom-shaped structure such as a screw, the mushroom handle penetrates through the leg mounting plate so that the part that touches the mushroom umbrella is located on the leg mounting plate. By configuring so that the tip of the mushroom handle is installed, the maximum separation distance is regulated. Alternatively, the structure may be such that the maximum separation distance regulating portion and the leg placement plate are fixed by welding.

For example, if any one or more of the footrest plate, the base, or the spring is cracked, or if the expansion and contraction resistance of the spring is weakened, replace the damaged part and use the other parts as they are. In order to make such a structure possible, it is preferable that the leg mounting plate has a structure capable of being separated from the maximum separation distance regulating portion. Therefore, it is preferable that the leg mounting plate and the head portion of the maximum separation distance regulating portion are not fixed by welding or the like. Further, in order for the vibration absorbing device to absorb the maximum amount of vibration, it is preferable to allow the leg mounting plate to be unevenly inclined as shown in FIG. Therefore, it is preferable that there is some play between the maximum separation distance regulated by the maximum separation distance regulation unit and the leg mounting plate so that the leg mounting plate can be tilted by about 10 to 20 degrees. It is preferable that the head of the part and the leg regulating plate are not fixed by welding or the like.

Note that, as shown in FIG. 2, in the case where the maximum separation distance restriction portion is configured by a mushroom-shaped structure, and when it is configured by two pieces, the above-mentioned simulation (1605 in FIG. 16, in FIG. 18) is performed. It is efficient to arrange them vertically in the traveling direction 1803). This is because the impact force applied in the front-rear direction is larger than the impact force applied in the left-right direction, so that the leg mounting plate is tilted more in the front-rear direction by the impact force.

<Embodiment 1 Arrangement 1 of maximum separation distance regulating unit>
When configuring the maximum separation distance restriction part with a mushroom-shaped structure such as bolts and nuts, there is no particular limit to the number of pieces that are erected on the base of the maximum separation distance restriction part, but the center axis point of the mushroom-shaped structure The center of gravity of a polygon (hereinafter simply referred to as "polygon") formed by connecting the center axis of the mushroom structure with the center axis of the elastic structure (for example, a coil spring) It is preferable to construct a symmetrical figure with respect to ". This is because the footrest plate vibrates tilted about the center of gravity due to the impact at the time of landing.

<Embodiment 1 Arrangement 2 of maximum separation distance regulating unit>
Further, in the case where the maximum separation distance restricting portion has a mushroom-shaped structure, it is preferable that the standing position of the central axis on the base is outside the polygon. This is because the leg mounting plate can be allowed a greater inclination.

<Embodiment 1 Maximum separation distance restriction unit: Specific configuration 1 Rear legs (same left and right)>
As shown in FIG. 16, the center point of the portion (1603) where the maximum separation distance restriction portion penetrates the leg placement plate has a distance from one side of the leg restriction plate (G and H in FIG. 16) of 15 mm to 25 mm. In the range, the distance from the other side (I in FIG. 16) is preferably between 90 mm and 110 mm. It is preferable that the radius of the hole, which is a portion where the maximum separation distance restricting portion penetrates the leg mounting plate, is between 5 mm and 25 mm. When the holes are too small, the play for tilting the leg mounting plate when the force is applied in a biased direction as shown in FIG. 3 is insufficient, and the vibration absorbing force becomes weak. On the other hand, if the hole is too large, the strength of the leg mounting plate becomes weak, and the risk of cracking from the hole in the direction opposite to the center of the leg mounting plate increases.

<Embodiment 1 Maximum separation distance restriction unit: Specific configuration 2 Front leg (right: left is symmetrical structure)>
The center point of the portion (1802) where the maximum separation distance restriction portion shown in FIG. 18 penetrates the leg placement plate is from the short side of the leg restriction plate (c, d in the figure) between 5 mm and 20 mm. It is preferable. If it is outside 5 mm, the strength from the penetrating hole to the short side becomes weak, which causes cracks to run. If it is inside 20 mm, the restricting portion will be located inside the spring, and the movable range of the spring will be narrower than when it is outside the spring. The distance from the long side (f in the figure) is preferably between 80 mm and 120 mm. Since the leg mounting plate that absorbs vibration may tilt down and up like a seesaw in one direction, it is preferable to configure the maximum separation distance restricting portion to be located at the fulcrum. The maximum separation distance regulating portion penetrating the center point of the penetrating portion and the maximum separation distance regulating portion penetrating portion is positioned on the center line (n in the figure) connecting the center points of the short sides on both sides of the leg regulating plate. It is preferable to configure. When two maximum separation distance restricting portions are arranged as shown in FIG. 18, it is preferable that the distance (e in the figure) connecting the centers of the two maximum separation distance restricting portions is between 360 mm and 390 mm.

<Embodiment 2>
<Outline of Embodiment 2>
The vibration absorbing device in the present embodiment is characterized in that, in addition to the features of the first embodiment, the spring is a coil spring, and the upper and lower surfaces of the coil are at least partially formed on the same plane.

<Embodiment 2 of the invention>
The spring according to the present embodiment is a coil spring, and the upper and lower surfaces of the coil are at least partially formed in the same plane.

<Embodiment 2 Configuration Description>
As shown in FIG. 4, in the coil spring according to the present embodiment, the base contact surface (0401) in contact with the base and the leg placement plate contact surface (0402) in contact with the leg placement plate are flattened. preferable. If the base contact surface and the leg mounting plate contact surface are unstable, the coil spring may wobble even if vibrations from the training machine are absorbed. The larger the area where the coil spring is in contact with the base and the leg mounting plate, the more stable the coil spring is erected on the base. For flattening, the metal forming the spring is ground or/and cut off so that the curve of the coil spring is flat. Therefore, in the flat-processed portion, the wire-shaped material forming the coil spring has a semicircular cross-section, and the material is thin. The strength of the material is lower than that of the part that is not flattened. Therefore, if the area of the installation surface of the coil spring and the base or/and the leg restriction plate (the area processed flat) is made too large, the coil spring may break or crack at the switching portion between the base or/and the ground contact surface of the leg restriction plate. There is a high possibility that Therefore, if the coil lengths of the base contact surface and the leg mounting plate contact surface of the coil spring are M and the length of one turn of the coil spring is R,
1/2R≦M≦4/5R
It is preferable to configure the coil lengths of the base contact surface and the leg mounting plate contact surface so that If the coil length of the base contact surface and the leg mounting plate contact surface is smaller than 4/5 of the length of one turn of the coil spring, rattling occurs due to the height difference between the ground contact surface and the surface not installed. It causes noise. If the coil length of the base contact surface and the leg mounting plate contact surface is more than 1/2 of the length of one turn of the coil spring, the processing area for flattening the coil spring becomes large and the coil spring is easily broken or cracked. Become.

The structure of the coil spring may be either a SWP-A structure or a SWP-B structure. In the present vibration absorbing device, since the load of the training machine is always applied on the leg mounting plate, the settling resistance is important in the structure, and it can be said that the SWP-B structure has higher affinity. However, the SWP-B structure is more likely to be broken or cracked than the SWP-A structure, so the coil spring is welded to the base body so that it can be easily replaced after being used for a certain period of time. It is advisable to have a structure that does not fix it too firmly. Specifically, it is conceivable that the coil spring is indirectly fixed to the base or/and the leg mounting plate by the structure of the above-described base upper restriction portion and/or the leg mounting plate lower restriction portion, which will be described later.

<Embodiment 3>
<Outline of Third Embodiment>
In addition to the features of the first or second embodiment, the vibration absorbing device according to the present embodiment has an on-base restricting portion for covering the base with a coil spring and/or loosely fitting the coil spring to stand on the base. It is characterized by

<Embodiment 3 of the invention>
As shown in FIG. 5, the vibration absorbing device according to the present embodiment has an upper base restricting portion (0501) for covering the base (0502) with a coil spring and/or loosely fitting the coil spring (0503) upright on the base. Have.

<Description of Configuration of Third Embodiment>
The "on-base restricting portion" is a portion for covering the coil spring and/or loosely fitting the coil spring to stand upright on the base. If the coil spring has a columnar shape, it is preferable that the upper restricting portion has a cylindrical shape, and if the coil spring has a polygonal pillar shape, the upper restricting portion has a polygonal pillar shape so as to follow the shape of the coil spring. However, it is possible to obtain a certain effect even with a combination of cylindrical and polygonal columns. The on-base restricting portion has an effect of suppressing wobbling between the contact surface between the coil spring and the base and the contact surface between the coil spring and the leg placement plate, and preventing the vibration absorbing device from unstable movement. As a method of fixing the upper base restriction portion to the base, a method of fixing to the base using a screw or the like, a method of welding to the base, or a method of integrally forming is considered.

The term "covering and/or loosely fitting" does not necessarily mean that the upper base regulating portion and the coil spring are in close contact with each other so that they cannot be easily moved. It shows that it may be in a form in which the coil spring can move along the upper base restricting portion or/and in which the coil spring is not in contact with the upper base restricting portion. In the case where the coil spring is in a form in which it does not move in close contact with the upper regulation portion, it is almost the same as the state where the coil spring is fixed to the base by welding or the like. In this case, the coil spring certainly does not wobble between the base body and is stable, but it becomes difficult to absorb the left-right deviation that occurs between the leg mounting plate and the base, and the load on the middle part of the coil spring due to twisting Will occur. Further, the coil spring receives a load from the leg mounting plate in the base direction, and a strong load is applied to the metal in the region where the forces in the three directions are generated. As a result, the coil spring may be broken, broken, cracked, or deteriorated at the load portion. Therefore, the coil spring is preferably configured to be slightly operable rather than being completely fixed to the base.

When the upper base restricting portion is arranged inside the coil spring, when the width measured from the outer periphery of the upper base restricting portion is BW and the inner peripheral width of the coil spring is CW,
0.3 (mm) ≤ CW-BW ≤ 1.5 (mm)
It is preferable to configure so as to be in the range. If it is smaller than 0.3 (mm), the coil may collide with the upper regulation part when the coil circumference is expanded due to the load on the spring. Due to the lateral force applied, the amount of parallel movement of the axial center of the spring becomes too large, which causes wobble.

When the upper base restricting portion is arranged outside the coil spring, when the width measured from the inner circumference of the upper base restricting portion is BW and the outer peripheral width of the coil spring is CW,
0.3 (mm) ≤ BW-CW ≤ 1.5 (mm)
It is preferable to configure so as to be in the range. If it is smaller than 0.3 (mm), the coil may collide with the base upper regulation portion when the coil circumference is contracted due to the tensile load on the spring, and if it is larger than 1.5 (mm), the spring The lateral force applied to the spring causes the amount of parallel movement of the spring axis to become too large, which causes wobble.

The height of the on-base restricting portion is preferably such that the coil spring is less likely to fall when a force is applied to the coil spring in one direction.
Specifically, if the height of the upper regulation portion is BT and the height of the coil spring is CT,
5/1 CT≦BT≦1/4 CT
It is preferable to configure it so as to be in the range. If the upper regulation part is lower than 5/1 CT, the spring wobble becomes too large, and if it is larger than 1/4 CT, the upper regulation parts may collide with each other due to the impact from the leg mounting plates. This is the same regardless of whether the upper restricting portion is arranged inside or outside the coil spring.

<Embodiment 4>
<Outline of Embodiment 4>
In addition to the configuration described in any one of the first to third embodiments, the vibration absorbing device in the present embodiment covers the back side of the leg mounting plate (0601) with a coil spring as shown in FIG. Alternatively, it is characterized by having a leg mounting plate restricting portion (0603) that is loosely fitted and restricts the coil spring (0602) on the back side of the leg mounting plate.

<Embodiment 4 of the Invention>
The vibration absorbing device according to the present embodiment includes a leg placement plate lower regulation portion that covers or loosely fits a coil spring on the back side of the leg placement plate to regulate the coil spring on the back side of the leg placement plate.

<Embodiment 4 Configuration Description>
The "leg mounting plate lower regulation part" covers the coil spring and/or loosely fits the coil spring on the rear surface side of the leg mounting plate. The meaning of “covering the coil spring or/and fitting it loosely” has already been described in the third embodiment, and will be omitted. Further, the function of the leg placement plate lower regulation part is the same as the function of the upper base regulation part of the third embodiment, and therefore detailed description thereof will be omitted. As a method of fixing the leg mounting plate lower regulation part under the leg mounting plate, a method of fixing to the lower surface of the leg mounting plate by using a screw, a method of welding to the lower surface of the leg mounting plate, or a method of integrally forming is used. The method can be considered.

When the leg mounting lower plate restricting portion is arranged inside the coil spring, when the width measured from the outer periphery of the leg mounting lower plate restricting portion is FW and the inner peripheral width of the coil spring is CW,
0.3 (mm) ≤ CW-FW ≤ 1.5 (mm)
It is preferable to configure so as to be in the range. If it is smaller than 0.3 (mm), the coil may collide with the upper regulation part when the coil circumference is expanded due to the load on the spring. Due to the lateral force applied, the amount of parallel movement of the axial center of the spring becomes too large, which causes wobble.

When the leg mounting lower plate restricting portion is arranged outside the coil spring, when the width measured from the inner circumference of the leg mounting lower plate restricting portion is FW and the outer peripheral width of the coil spring is CW,
0.3 (mm) ≤ BW-FW ≤ 1.5 (mm)
It is preferable to configure it to be within the range. If it is smaller than 0.3 (mm), the coil may collide with the base upper regulation portion when the coil circumference is contracted due to the tensile load on the spring, and if it is larger than 1.5 (mm), the spring The lateral force applied to the spring causes the amount of parallel movement of the spring axis to become too large, which causes wobble.

It is desirable that the height of the leg mounting plate lower regulating portion is high enough to prevent the coil spring from falling when a force is applied to the coil spring in one direction.
Specifically, if the height of the leg placement plate lower regulating portion is FT and the height of the coil spring is CT,
5/1 CT≦FT≦CT
It is preferable to configure it so as to be in the range. If the upper regulation part is lower than 5/1 CT, the spring wobble becomes too large, and if it is larger than 1/4 CT, the upper regulation parts may collide with each other due to the impact from the leg mounting plates. This is the same regardless of whether the leg regulating plate lower regulating portion is arranged inside or outside the coil spring.

<Fifth Embodiment>
<Outline of Fifth Embodiment>
In addition to the features of any one of the first to fourth embodiments, the vibration absorbing device according to the present embodiment accommodates a base, and a skirt that hides a base housing box having an upper surface opening and at least an upper portion of a side surface of the base housing box. And a base accommodating lid having a back surface supported by the coil spring.

<Embodiment 5 of the invention>
The vibration absorbing device in the present embodiment accommodates the base shown in FIG. 8, has a base accommodation box with an upper surface opening shown in FIG. 7, and a skirt portion that hides at least the upper part of the side surface of the base accommodation box shown in FIG. A base accommodating lid whose back surface is supported by the coil spring.

<Embodiment 5 Configuration Description>
<Embodiment 5 Base accommodation box>
The “base storage box” is a box having the upper surface opening shown in FIG. 7, which stores the base shown in FIG. Since the base is stored from the top opening of the base storage box, it is desirable that the base storage box is configured to have a bottom surface having the same shape as the base.

<Embodiment 5 Base accommodation lid>
FIG. 9 is a view showing the base accommodating lid. In the figure, 0900 is a view showing the front surface of the base housing cover, and 0901 is a view showing the back surface of the base housing cover. The "skirt portion" (0902) can be put on the base storage box and hides at least the upper part of the side surface of the base storage box. The base accommodating lid has the skirt portion, and the back surface is supported by the coil spring. The circle indicated by reference numeral 0903 in the figure is a circle whose circumference is smaller than that of the coil spring, and has a structure in which the above-mentioned leg placement plate lower regulation portion penetrates the base accommodation lid and is loosely fitted to the coil below the base accommodation lid. Has become. Further, as shown in FIG. 9, a hole (0904) for allowing the maximum separation distance restriction portion to penetrate is also formed in the base accommodation lid.

FIG. 10 is an example of the leg placement plate in this embodiment. In the figure, 1000 is the front surface of the leg mounting plate, and 1001 is the back surface of the leg mounting plate. FIG. 11 is an illustration showing a state in which the base is housed in the base housing box in the present embodiment. FIG. 12 is a diagram showing how each part is in a positional relationship when the base housing lid is put on the base housing box housing the berth in the present embodiment. The maximum separation distance restricting portion (1201) passes through the hole (1202) of the base housing lid, and the coil spring (1203) does not pass through the hole (1204) formed in the base housing lid, but on the outer side of the hole. Contact the base storage lid. FIG. 13 is an example diagram showing a situation in which the leg placement plate in the present embodiment is arranged on the base housing lid. The leg mounting plate is arranged on the base lid so that the maximum separation distance restricting portion (1301) penetrates the hole (1302) of the leg mounting plate. The leg mounting plate lower regulation part (not shown in FIG. 13; 1001 in FIG. 10) passes through the hole (1301) of the base accommodation lid and is accommodated between the base accommodation box and the base accommodation lid. Restrict the movement of the coil spring. FIG. 14 is an example of a completed assembly of the present vibration absorbing device in the present embodiment. The maximum separation distance restricting portion (1401) protruding through the hole of the leg mounting plate is fixed by the nut (1402) so that other constituent members are not lifted above the nut, and the maximum separation distance is restricted. To do. As described above, it is preferable that the nut fitted to the maximum separation distance regulating portion has a structure as shown in FIG. By forming the wing (1501) on the inner side of the upper side of the nut, the inner diameter can be partially made narrower than the maximum separation distance restricting portion, and the nut can be prevented from traveling below a certain distance. ..

As shown in the present embodiment, by storing the base in the base storage box and the base storage lid, it is possible to prevent an accident that a finger or clothing is caught in the gap of the vibration absorbing device when the coil spring expands or contracts. You can do it.

<Sixth Embodiment>
<Sixth Embodiment Outline of Invention>
The invention in this embodiment relates to a training machine with a vibration absorbing device in which the legs of the training machine have a structure for directly absorbing vibrations.

<Embodiment 6 of the invention>
The training machine with the vibration absorbing device in the present embodiment includes a base for supporting the training machine main body with springs at at least three or more support positions, and a spring installed on the base for supporting the training machine main body at each support position. , A maximum separation distance restriction unit for restricting the maximum separation distance between the base and the training machine body.

<Sixth Embodiment Description of Configuration>
The configuration of the "base" is considered to be the same as that of any of the first to fifth embodiments, and has already been described. The configuration of the “spring” is different from the configuration of the vibration absorbing device according to any one of the first to fifth embodiments, and does not indirectly support the training machine via the leg mounting plate, but directly supports the training machine. Although it is supported, the configuration other than that is considered to be the same as that of any one of the first to fifth embodiments, and it has already been described. The "maximum separation distance restricting portion" is different from any of the configurations of the first to fifth embodiments in that it is fixed to the leg body of the training machine, but other configurations are the same as those of the first to fifth embodiments. It is conceivable that the configuration is similar to that of any one of modes 5.

0100 training machine 0101 running belt 0102 training machine leg 0103 vibration absorber 0202 vibration absorber 0201 training machine leg 0202 leg mounting plate 0203 leg restriction unit 0204 base 0205 elastic member 0206 maximum separation distance restriction unit

Claims (6)

A vibration absorber that absorbs vibrations applied to the floor from the legs that support the training machine on the floor,
A leg mounting plate for mounting the legs,
A leg regulation part that regulates slippage of the leg on the leg mounting plate,
A base for directly or indirectly supporting the leg mounting plate with an elastic member,
An elastic member that is installed on the base and directly or indirectly supports the footrest plate,
A maximum separation distance restricting portion for restricting the maximum separation distance between the base and the footrest plate,
Vibration absorption device for training machine. The vibration absorbing device for a training machine according to claim 1, wherein the elastic member is a coil spring, and at least a part of upper and lower surfaces of the coil are formed on the same plane. The vibration absorbing device for a training machine according to claim 2, wherein the base has an upper base restricting portion for covering or/and loosely fitting a coil spring on the base so as to stand the coil spring on the base. The leg mounting plate lower regulation part which covers the coil spring on the back surface side of a leg mounting plate and/or loosely fits, and restrict|limits a coil spring on the back surface side of a leg mounting plate is described in Claim 2 or Claim 3. Vibration absorber for training machines. The base accommodating box for accommodating a base and having an upper surface opening, and a base accommodating lid having a skirt portion for hiding at least an upper portion of a side surface of the base accommodating box and having a back surface supported by a coil spring. The vibration absorbing device for a training machine according to any one of 4 above. A training machine with a vibration absorbing device that absorbs vibrations given to the floor from the training machine,
A base for supporting the training machine main body with elastic members at at least three or more support positions,
An elastic member installed on the base and supporting the training machine body at each support position,
A maximum separation distance restriction unit for restricting the maximum separation distance between the base and the training machine body,
Training Machine with Vibration Absorber

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