JP3246120U - Lower limb strength training device - Google Patents

Abstract

[Problem] To provide a lower limb muscle strength training device that can be easily moved with simple operation. [Solution] A lower limb muscle strength training device TE1 is a movable device for training lower limb muscle strength in a seated state, and includes a plate 1, a seating device 2 attached to the plate 1, and a seating device 2. A handrail 3a attached to the plate 1 at a predetermined interval, and grips 41a and 41b for lifting one side of the device TE1, which are provided on one side of two opposing sides of the plate 1 in plan view. and wheel portions 5a, 5b that are attached to the other of the two opposing sides of the plate 1 and come into contact with the floor surface FL when the device TE1 moves. In the installed state, it contacts the floor surface FL in a non-contact or non-rotatable manner, and when the device TE1 is lifted by the grips 41a and 41b and the plate 1 is in an inclined state, it contacts the floor surface FL in a rotatable manner. [Selection diagram] Figure 4

Description

This invention relates to a lower limb strength training device.

Muscle mass, strength, and physical function decline with age, so it is important to increase muscle mass, strengthen muscle strength, and improve physical function through appropriate exercise, as this will lead to a longer healthy lifespan. Various training devices have been proposed and commercially available.

Squat training is one type of lower limb strength training. Various squat training devices have been proposed so far. For example, Patent Document 1 describes a base, a lower leg support element supported by the base and arranged above the base, a grip section arranged above the lower leg support element, and a lower leg support element rearward than the lower leg support element. An exercise assisting device has been proposed that is equipped with a chair placed on the side and can train the user to stand up. The present applicant also proposed a lower limb muscle strength training device as Patent Document 2, in which a handrail and a seated squat device are arranged on a plate.

JP2016-73506A Japanese Patent Application Publication No. 2021-19852

Conventional training devices, including the training device proposed above, are generally not intended to be moved after installation. For this reason, when moving the training device from its installation location, it has been necessary to have multiple people lift and move the training device, or to disassemble the training device and reassemble it.

The present invention has been developed in view of these conventional problems, and its purpose is to provide a lower limb muscle strength training device that can be easily moved with simple operation.

One aspect of the lower extremity muscle strength training device according to the present invention that achieves the above object is a movable device for training lower extremity muscle strength in a seated state, the device comprising: a plate; a seating device attached to the plate; a handrail attached to the plate at a predetermined distance from the seating device; and a grip for lifting one side of the device provided on one side of two opposing sides of the plate in plan view. and a wheel portion that is attached to the other of the two opposing sides of the plate and contacts the floor surface when the device moves, and the wheel portion is attached to the floor surface when the device is installed. The device is characterized in that it makes non-contact or non-rotatable contact with the floor surface and rotatably contacts the floor surface when the device is lifted by the gripping portion and the plate is in an inclined state.

In the lower limb muscle strength training device configured as described above, it is preferable that the grip portion is provided on the handrail.

Furthermore, in the lower limb muscle strength training device configured as described above, a plurality of the wheel portions may be provided at predetermined intervals. A second gripping portion may be provided between the plurality of wheel portions on the plate.

In the lower extremity muscle training device configured as described above, the seating device includes a seat, a base disposed to face the seat, and a base disposed between the seat and the base; The seated squat device may include a strut portion configured to be expandable and contractible in a direction facing the base portion. Preferably, the strut portion is replaceable with a desired length and/or strength.

According to the lower limb muscle strength training device according to the present invention, the installation location can be easily changed with a simple operation.

FIG. 1 is a front view of a lower limb muscle strength training device according to a first embodiment. FIG. 2 is a right side view of the lower limb muscle strength training device according to the first embodiment. FIG. 1 is a plan view of a lower limb muscle strength training device according to a first embodiment. FIG. 3 is a movement explanatory diagram of the lower limb muscle strength training device according to the first embodiment. It is a partial perspective view which shows the modification of a holding part. FIG. 3 is a right side view of a lower limb muscle strength training device according to a second embodiment. It is a top view of the lower limb muscle strength training device of 2nd Embodiment. FIG. 6 is a movement explanatory diagram of the lower limb muscle strength training device according to the second embodiment.

Hereinafter, embodiments of the lower limb muscle strength training device of the present invention (hereinafter sometimes simply referred to as the "device") will be explained in more detail based on the drawings, but the present invention is not limited to these embodiments in any way. isn't it.

(First embodiment)
1, 2, and 3 show a front view, a side view, and a plan view of an embodiment of the device according to the present invention. The device TE1 shown in these figures includes a plate 1 that makes surface contact with the floor, a seating device 2 and a handrail 3a attached to the plate 1, grips 41a and 41b for lifting the device TE1, and the device TE1. It is equipped with wheel parts 5a and 5b for facilitating movement. Each member and portion will be explained below.

(plate)
The plate 1 is a basic part of the device TE1, is made of a highly rigid material such as a metal plate, and is in surface contact with the floor surface. The plate 1 has a substantially rectangular shape in plan view, has a seating device 2 attached to the rear side of the center in the front-rear direction, and has a handrail 3a facing the seating device 2 in front of the center of the plate 1 in the front-rear direction. attached. Two wheel parts 5a and 5b are attached to the rear edge of the plate 1 at a predetermined distance apart in the left-right direction.

A second grip part 6 is attached between the two wheel parts 5a and 5b so as to protrude upward from the upper surface of the plate 1. In the present embodiment, the planar shape of the plate 1 is approximately rectangular, but as long as the seating device 2, handrail 3a, and wheel portions 5a, 5b can be attached and the device TE1 can be moved, There is no limit to the planar shape.

(Seating equipment)
The sitting device 2 is a seated squat device that allows a user to perform a squat operation while seated, and includes a seat portion 21 on which the user is seated, and is arranged to face the seat portion 21 and is attached to the plate 1. It includes a base 23 and a support 24 arranged between the seat 21 and the base 23 and configured to be expandable and contractible in the direction in which the seat 21 and the base 23 face each other. In this embodiment, a backrest part 22 is provided at the rear upper part of the seat part 21. Furthermore, armrests may be provided on the left and right sides of the seat 21.

The strut portion 24 is removable from the seat portion 21 and the base portion 23, and can be replaced with one having a desired telescopic length and/or strength. The strut portion 24 is selected and used in consideration of the user's body shape, the strength of the squat motion, and the like.

(handrail)
The handrail 3a is for adjusting the load of grip training and holding the body when the user sits on the seat 21 of the seating device 2 for training, and is provided on the front side of the plate 1 with the seating device 2. They are arranged to face each other. The handrail 3a has a pair of vertical parts 31a and 31b that extend in the vertical direction, and a horizontal part 32 that connects the tips of the vertical parts 31a and 31b. The pair of vertical parts 31a, 31b and the horizontal part 32 are integrally formed by bending a tubular member such as a steel pipe. Of course, the vertical parts 31a, 31b and the horizontal part 32 may be made separately and then connected. The outer diameter of the tubular member is such that it can be grasped by a user. The lower ends of the pair of vertical parts 31a and 31b are fixed to the plate 1.

Two middle crosspiece portions 33a, 33b extending in the horizontal direction are provided in the middle of the pair of vertical portions 31a, 31b in the vertical direction, separated by a predetermined length in the vertical direction. The middle crosspiece portions 33a and 33b are constituted by rigid plate-like members having a rectangular shape and long in the left-right direction.

(gripping part)
The gripping parts 41a and 41b are parts that the user grips when lifting one side of the device TE1. The gripping parts 41a and 41b are provided at a predetermined interval in the horizontal direction on the lower middle crosspiece part 33b. The gripping parts 41a and 41b are "U" shaped in plan view and are provided so as to protrude forward from the middle crosspiece part 33b. Note that the number and shape of the gripping portions are not particularly limited as long as the device TE1 can be lifted by gripping the gripping portions.

(wheel part)
The wheel parts 5a, 5b serve to facilitate the movement of the device TE1. The wheel parts 5a and 5b are attached to the rear edge of the plate 1 at a predetermined distance apart in the left-right direction. The wheel portions 5a and 5b include a plate-shaped base portion 51 bent at an obtuse angle and fixed to the rear side of the plate 1 so as to extend rearward and upward from the rear side edge of the plate 1; A pair of support plates 52a, 52b are provided so as to protrude rearward from the rear surface of the upwardly extending portion, and are spaced apart from each other in the left-right direction. It includes a shaft 53 and wheels 54 rotatably supported by the shaft 53.

The distance in the vertical direction from the lower surface (floor surface) of the plate 1 to the shaft 53 is set to be equal to or longer than the radius of the wheel 54. That is, when the device TE1 is installed on the floor, the wheels 54 either contact the floor FL in a non-rotatable manner or do not contact the floor FL. As will be described later, when the front side of the device TE1 is lifted by the grips 41a and 41b and the device TE1 is tilted when the device TE1 is moved, the wheels 54 are brought into rotatable contact with the floor surface FL. become. This facilitates movement of the device TE1.

The type of wheel 54 may be single wheel, twin wheel, spherical, etc. The material of the wheels 54 is not particularly limited as long as it can be rotated (moved) without being destroyed by the weight of the device TE1, and may be made of rubber, plastic, metal, or the like. Further, the wheel portion may be of a rotating type in which the wheels rotate, or may be of a fixed type in which the wheels do not rotate. The number of installed wheel parts is not limited to two, and may be one or three or more.

(Procedure for moving the lower limb strength training device)
As shown in FIG. 4(a), when moving the device TE1, the user first grasps grips 41a and 41b (hereinafter sometimes collectively referred to as "grips 41") provided on the handrail 3a. ) and lift it upward. Then, as shown in FIG. 4(b), the front part of the device TE1 lifts up and the wheels 54 at the rear edge of the plate 1 come into pressure contact with the floor surface FL, and the device TE1 moves around the contact point between the wheels 54 and the floor surface FL. It is in a tilted state, tracing an arc of movement. Next, as shown in FIG. 4(c), the user pulls the device TE1 forward while holding the device TE1 in an inclined state and grasping the grip portion 41. Then, the wheels 54 rotate and the device TE1 easily moves forward.

Once the device TE1 has been moved to the desired position in this manner, the user lowers the grip 41 and releases the grip 41, contrary to the above-mentioned moving procedure. Then, the entire lower surface of the plate 1 of the device TE1 comes into contact with the floor surface FL. On the other hand, the wheels 54 are separated upward from the floor surface FL. This places the device TE1 in the desired position.

In addition, when the rolling of the wheels 54 cannot be used, such as when there is a step on the floor FL or when moving a staircase part, at least two users hold the grip part 41 at the front of the device TE1 and the grip part 41 at the rear of the device TE1. 2 and the gripping portion 6 and lift the entire device TE1 upward to move the device TE1.

(Modified example)
The grip portion may be integrally molded with the handrail. For example, as shown in FIG. 5(a), a part of the middle crosspiece 33b of the handrail 3b may be bent to project forward to form the grip portion 42. Alternatively, the handrail itself may be used as the grip. For example, as shown in FIG. 5(b), either the horizontal portion 32 or the middle crosspiece portions 33a, 33b of the handrail 3c may be used as the gripping portion.

The seating device 2 may be a standing device that allows the user to stand up from a seated state. In the case of a stand-up device, unlike a seated squat device, the seat on which the user sits is fixed and does not move up and down in accordance with the user's movements. However, the height position of the seat may be adjustable according to the user's body shape.

(Second embodiment)
FIGS. 6 and 7 show a side view and a plan view of a second embodiment of the lower limb muscle strength training device according to the present invention. The difference between the device TE2 shown in these figures and the device TE1 of the first embodiment is that in the device TE1 of the first embodiment, grips 41a and 41b are provided on the front edge of the plate 1, and wheel portions are provided on the rear edge. 5a, 5b were provided, in the device TE2 of this embodiment, wheel portions 5a, 5b are provided on the front edge of the plate 1, and a grip portion 43 is provided on the rear edge. The apparatus TE2 according to the present embodiment will be described below, but mainly the parts different from the apparatus TE1 of the first embodiment will be explained, and the same members and parts as the apparatus TE1 of the first embodiment will be given the same reference numerals. Therefore, the explanation will be omitted.

Two wheel portions 5a and 5b are provided on the front edge of the plate 1 with a predetermined distance apart in the left-right direction. The structure of the wheel parts 5a, 5b is the same as that used in the first embodiment. When the device TE2 is installed on the floor FL, the wheels 54 either contact the floor FL in a non-rotatable manner or do not contact the floor FL. When moving the device TE2, when the front side of the device TE2 is lifted by the grip portion 43 and the device TE2 is placed in a tilted state, the wheels 54 come into rotatable contact with the floor surface FL.

On the other hand, a U-shaped grip portion 43 is attached to the rear edge of the plate 1 at the center in the left-right direction so as to protrude upward from the top surface of the plate 1. Note that there is no limitation on the shape of the grip portion 43 as long as the plate 1 can be lifted, and the number of grip portions 43 may be two or more.

When moving the device TE2 having such a structure, the user first grasps the grip portion 43 on the rear edge of the plate 1 and lifts it upward, as shown in FIG. 8(a). Then, as shown in FIG. 8(b), the rear part of the device TE2 lifts up and the wheels 54 at the front edge of the plate 1 come into pressure contact with the floor surface FL, and the device TE2 moves around the contact point between the wheels 54 and the floor surface FL. It is in a tilted state, tracing an arc of movement. Next, as shown in FIG. 8(c), the user pulls the device TE2 backward while holding the device TE2 in an inclined state and grasping the grip portion 43. Then, the wheels 54 rotate and the device TE2 easily moves rearward.

Once the device TE2 has been moved to the desired position in this manner, the user lowers the grip 43 and releases the grip 43, contrary to the above-mentioned moving procedure. Then, the entire lower surface of the plate 1 of the device TE2 comes into contact with the floor surface FL. On the other hand, the wheels 54 are separated upward from the floor surface FL. This places the device TE2 at the desired position.

In addition, if the rolling of the wheels 54 cannot be used, such as when there is a step on the floor FL or when moving a staircase part, at least two users should hold the handrail 3a in front of the device TE2 and the handrail 3a in the rear of the device TE2. 43 and lift the entire device TE2 upwards to move the device TE2.

According to the lower limb muscle strength training device according to the present invention, the installation location can be easily changed with a simple operation.

1 Plate 2 Seating device 3a, 3b, 3c Handrail 5a, 5b Wheel part 6 Second grip part 21 Seat part 23 Base part 24 Support part 41a, 41b, 42, 43 Grip part FL Floor surface TE1, TE2 Lower limb muscle strength training device

Claims (6)

A movable device for training lower limb muscle strength while seated,
plate and
a seating device mounted on the plate;
a handrail attached to the plate at a predetermined distance from the seating device;
In a plan view, a grip part for lifting one side of the device, which is provided on one side of two opposing sides of the plate;
a wheel portion that is attached to the other of the two opposing sides of the plate and contacts the floor surface when the device moves;
has
The wheel portion contacts the floor surface in a non-contact or non-rotatable manner when the device is installed, and rotatably contacts the floor surface when the device is lifted by the gripping portion and the plate is in an inclined state. A lower limb strength training device characterized by: The lower limb muscle strength training device according to claim 1, wherein the grip portion is provided on the handrail. The lower limb muscle strength training device according to claim 1 or 2, wherein a plurality of said wheel portions are provided at predetermined intervals. The lower limb muscle strength training device according to claim 3, wherein a second gripping portion is provided between the plurality of wheel portions on the plate. The seating device has a seat, a base disposed to face the seat, and is disposed between the seat and the base, and is expandable and retractable in a direction in which the seat and the base face each other. The lower extremity muscle strength training device according to claim 1 or 2, which is a seated squat device comprising a strut portion configured to. 6. The lower limb muscle strength training device according to claim 5, wherein the strut portion is replaceable with one having a desired stretchable length and/or strength.