KR102554971B1 - Low-rise stair way exercise equipment - Google Patents

Abstract

The present invention is a low-floor stair exercise device with a low starting point of stair movement, which maintains the continuity of the ascending motion during stair movement and is excellent in effect and infinitely descends the stairs. The general stair height (around 0.2 m) of existing stair movement devices designed for exercise, and the existing infinitely descending stair movement devices including the stair height, rotation with limitations in minimizing space in the lower rotation section Due to the selection of the method, the starting point of the stair movement is selected at a location excessively spaced from the ground, and when considering the height of an adult who will perform the stair movement, in the meantime, the effective floor height of a general apartment house (apartment) is around 2.3 meters. There was a problem in that it was impossible to use the exercise equipment for stairs that descended infinitely in the interior of the apartment.
In order to solve the above problems, by improving the problem of the rotation method of the existing infinitely descending stair exercise equipment, by lowering the lowest point of the footrest constituting the stairs in a horizontal movement method in the lower rotation section, Since stair movement becomes possible inside an apartment complex, which was impossible, there is an effect of always descending stairs in a comfortable home, such as comfortable clothes or convenient time.

Description

Low-rise stair exercise equipment {LOW-RISE STAIR WAY EXERCISE EQUIPMENT}

The present invention relates to a stair exercise machine. More specifically, it relates to a low-floor stair exercise device with a low starting point of stair movement.

Climbing stairs is an excellent exercise that consumes a lot of calories in a short time, strengthens cardiorespiratory function, and strengthens lower body muscles. The infinitely descending stair exercise equipment can escape from the burden on the knee joint that can occur while going down the stairs during stair exercise in a general building, and the continuity of the motion going up the stairs continues, providing a lot of exercise effects in a short time. can see.

However, the conventional staircase height (around 0.2 m) of existing stair movement devices designed for exercise and the existing infinitely descending stair movement devices including the height of the stairs have limitations in minimizing space in the lower rotation section. Due to the selection of a rotation method that has a built-in rotation method, the starting point of the stair movement is selected at a location that is excessively spaced from the ground, and considering the height of an adult who will perform the stair movement, the effective floor height inside a typical multi-unit dwelling (apartment) is around 2.3 meters. There was a problem in that it was impossible to use the exercise equipment for stairs that descended infinitely in the interior of the apartment.

The present invention was invented to solve the above problems, and an object of the present invention is to provide a low-floor stair movement device that enables infinite descending stair movement inside a multi-family house (apartment).

In order to solve the above problems, the low-floor stair exercise device according to the present invention, a footrest; and a conveyor chain; Front moving inner plate; ground clearance guide board; Moving wheel landing guide block; direction changing part of the scaffolding; and chain clearance control device; The technical feature is that the minimum height of the footrest constituting the stairs is close to the ground in a horizontal movement method in the lower rotation section by improving the problem of the rotation method of the existing infinitely descending stair movement devices. do.

According to the present invention, by being provided with a low-floor stair exercise device, in the interior of an apartment house (apartment) with a low internal effective floor height, it is possible to move down stairs indefinitely, which has been practically impossible, so comfortable clothes or convenient time in a comfortable home. etc., there is always an effect that allows for infinitely descending stair movement.

1 is a perspective view showing the appearance of the present invention.
Figure 2 is a cross-sectional view for explaining the internal structure and overall principle of Figure 1.
FIG. 3 is a diagram for explaining the moving line of the scaffold 1a and the conveyor chain 20 shown in FIG. 2
FIG. 4 is an enlarged view illustrating the scaffold 1a shown in FIG. 2 .
5 is an enlarged view illustrating a connection between the conveyor chain 20 shown in FIG. 2 and the scaffolding shaft 2 shown in FIG. 4
FIG. 6 is an enlarged view of a cross-sectional view taken along line III-III of FIG. 2 .
FIG. 7 is a view explaining the connection between the moving wheel landing guide block 80 and the crank 81 shown in FIG. 2 .
Figure 8 is a view explaining the direction change section of the scaffold by the fixed chain (22).
9 is a view showing the chain clearance adjusting device 700 of the conveyor chain 20.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

Figure 1 is a perspective view showing the external appearance of the present invention, covers are installed on a plurality of frames 600 used as support surfaces or fixing surfaces of parts responsible for internal functions to form an external appearance, the starting point emphasized by the present invention It is a drawing for explaining this low staircase.

Figure 2 is a cross-sectional view of Figure 1, a view for explaining the overall principle of the present invention, such as the location of the parts responsible for the function and the process of the conveyor chain 20 rotating and the scaffolding 1a formed and descended.

The power motor 60 is supplied with power from the outside, and the motor speed control inverter 61 is controlled by the adjustment unit 110 connected to the adjustment unit support 115, and includes functions such as a start stop button. The power of the power motor 60 is transmitted to the V-belt pulley of the interlocking shaft 70 connecting the left and right drives, and the power transmission first chain gear 15a fixed to both sides of the interlocking shaft 70 and the above The conveyor chain 20 is driven by the lower conveyor chain gear 10a connected to the power transmission first chain gear 15a.

Footholds (1a) connected to the conveyor chain (20) are lined up on the front in the form of stairs, according to the guidance of the front moving wheel guide plates (50a, 50b, 50c).

The scaffold 1a, which was descending toward the ground, is connected to the crank rotation part 88 and the crank 81 protruding from the outside of the power transmission first chain gear 15a, by the moving wheel landing guide block 80 It lands softly and moves horizontally backward along the ground clearance guide plate 54.

The ground separation guide plate 54 protects the moving wheel 3 from damage and functional problems caused by foreign substances or dirt that may be on the ground during horizontal movement at the lower end, and the scaffold 1a is at the lower end It is installed at the minimum safety height to prevent accidents such as user's feet getting caught when passing the lowest point.

The moving scaffold (1a) is connected to the conveyor chain (20) in a single axis.

The scaffold 1a, which is horizontally moving backward along the ground separation guide plate 54, passes the lower conveyor chain gear 10a installed at the rear bottom and hangs on the conveyor chain 20 in a free section without a separate guide plate in the rotational direction are moved

Under the influence of the center of gravity and a single axis, the scaffold (1a) suspended upside down is changed in direction in the scaffold direction change section and guided to the front moving wheel guide plates (50a, 50b, 50c), according to the continuous rotation of the conveyor chain (20). They are lined up in the front again in the form of stairs, creating a staircase that descends to infinity. For the safety of the user, a safety handle 100 and an emergency switch 120 are installed.

FIG. 3 is an enlarged view explaining in detail the moving line of the scaffold 1a and the conveyor chain 20 shown in FIG. 2, the conveyor chain rotated by the lower conveyor chain gear 10a and the upper conveyor chain gear 10b. (20) makes the scaffold (1) have a directionality in the conveyor chain movement direction (30).

4 is an enlarged view illustrating the scaffold 1a shown in FIG. 1 in detail, the scaffold 1a includes two scaffold shafts 2 and a protective plate 5.

Each of the scaffolding shafts 2 includes two moving wheels 3 including ball bearings 200 and a snap ring groove 300 for the purpose of fixing the moving wheels 3, and some of the scaffolding shafts ( 2) is fixedly attached to the chain gear 12 for changing the direction of the footrest and is used when changing the direction of the footrest.

5 is an enlarged view explaining in detail the connection between the conveyor chain 20 shown in FIG. 2 and the scaffold shaft 2 shown in FIG. 4, bearing 200 and bearing housing 210 in scaffold shaft 2 ) is fixed with a snap ring using the snap ring groove 300 for fixing, and the fastening flange 500 connected to the conveyor chain 20 is connected by a fastening pin 520, and the bearing housing 210 and the fastening flange (500) is connected by a fastening bolt (510). The fastening pin 500 is fixed to the conveyor chain 20 with a split pin or the like.

FIG. 6 is an enlarged view illustrating in detail a cross-sectional view taken along line III-III of FIG. 2 . Scaffolds (1c) that are being moved horizontally to the rear by being guided by the front moving wheel guide plates (50a, 50b, and 50c) mounted on the frame (600) and descending by the downward moving footrest (1b) and the ground separation guide plate (54) ), the upper conveyor chain gear support 86 mounted on the vertical frame 600, the upper conveyor chain gear 11a fixed to the upper conveyor chain gear support 86, and the lower conveyor chain gear support 85 includes a fixed lower conveyor chain gear 10a and a second power transmission chain gear 15b receiving power from the first power transmission chain gear 15a. As a cross section viewed from the front, many parts connected to the outer frame 600 and accessories other than the area of the scaffold are wrapped with covers installed on a plurality of frames to be protected from driving devices.

7 is a view explaining in detail the connection relationship between the moving wheel landing guide block 80, the crank rotation unit 88, and the crank 81 shown in FIG. When the footrest 1a forms a staircase and descends, between the end of the front moving wheel guide plates 50a, 50b, and 50c and the ground separation guide plate 54, an open moving space for the purpose of horizontal movement to the rear this is formed In the open movement space, one side of the scaffold 1a connected by a single axis to the conveyor chain 20 can smoothly rotate the corner, but the other wheel 3 for movement without a connecting shaft is balanced in the open movement space. retention is lost. Thus, in order to solve safety problems that may occur, a moving wheel landing guide block 80 including an inclined surface and a curved surface is installed.

From the end of the front moving wheel guide plates (50a, 50b, 50c), the moving wheel (3) without a connecting shaft is supported on the inclined surface of the moving wheel landing guide block (80) according to the conveying speed of the conveyor chain (20) and descends. do. The moving wheel landing guide block 80 is stopped by the stop block 95 at the point where the curved surface starts after the inclined surface it includes ends, and moves the moving wheel 3 that is not connected to the shaft through the curved surface to the ground. It is gently guided to the separation guide plate (54).

The illustrated section A (900a) is the maximum distance horizontally moved when the moving wheel 3 is supported by the moving wheel landing guide block 80 and descends in the open moving space, and the moving wheel landing guide block 80 the total distance traveled by The illustrated section B (910a) is the moving distance of the conveyor chain 20 when the moving wheel landing guide block 80 moves by the section A (900a), and includes a straight line and a curved section.

The size (number of teeth) of the power transmission first chain gear 15a driving the conveyor chain 20 is designed to be the same as the movement distance of the scaffold 1a for one section, so that one rotation of the power transmission first chain gear 15a The scaffold 1a connected to the conveyor chain 20 moves one section, and the crank rotation part installed apart from the outside of the power transmission first chain gear 15a, moves with the moving wheel landing guide block 80 at each rotation. It is connected and performs a set repetition function for each scaffold coming down from the open moving space.

The illustrated section AA (900b) is a straight line distance from the crank rotating portion corresponding to section A (900a) in a circle forming a rotation radius of the crank rotating portion, and the illustrated section BB (910b) is between sections AA (900b). It exists in, and is the same distance as the section B (910a) as the curved distance of the chain surrounding the power transmission first chain gear (15a).

When section A (900a) and section AA (900b) and section B (910a) and section BB (910b) are equal to or close to each other, the landing guidance function of the moving wheel landing guide block 80 is performed smoothly.

The timing for the distance and function of the sections can be adjusted according to the size of the rotation radius of the crank rotation unit and the position of the axis of the rotation unit. In addition, different values may be applied to the exercise equipment designed according to the embodiment of the present invention according to characteristics such as the size of the upper and lower conveyor chain gears 10a and 10b and the height of the stairs formed.

Section CC 920b, which is surplus produced by the rotation radius of the crank rotating part, set in accordance with the above environment, is the distance where only the crank 81 is further moved, the same distance as section C 920a, and moving wheel landing guidance When the moving wheel landing guide block 80 is stopped by the stop block 95 using the crank moving hole 84 included in the connection between the block 80 and the crank 81, only the crank 81 It is offset in the process of further progress.

Figure 8 is a view explaining in detail the direction change section of the scaffold (1a) by the fixed chain (22). The scaffold (1a) suspended on the conveyor chain (20) and moved in the conveyor chain moving direction (30) is a scaffold shaft (2 ) is stabilized, and when passing through the section of the fixed chain 21 attached to the chain fixing plate 23, the chain gear 18 for changing the direction of the footrest rotates, and the point at which the direction of the foothold is changed (26a) and the midpoint of the footboard direction change ( 26b) and the footboard direction change end point 26c, it is guided to the front moving wheel guide plates 50a, 50b, and 50c.

9 is a view explaining in detail the chain clearance adjusting device 700 of the conveyor chain 20 shown in FIG. The chain clearance adjusting device 700 consists of a block including a chain clearance adjusting hole 710 that is adjusted in the chain clearance adjusting direction 730 and an upper conveyor chain gear support 86 to which the upper conveyor chain gear 10b is fixed. It is configured, and is fastened to the vertical frame 600 shown in FIG. 6 with a chain clearance adjusting device fastening bolt 720.

According to the low-floor stair movement device including the above structure, the lowest height of the footrest constituting the stairs is the ground As it is close to, it is possible to use the stairs exercise equipment that descends infinitely even in the interior of a general apartment house (apartment) with a low indoor floor height.

Although the present invention has been described in detail through the accompanying drawings, embodiments are possible in other forms. Therefore, the technical spirit and scope of the described claims should not be construed as being limited to the embodiments.

1a. Scaffolding 1b. Scaffolding during downward movement
1c. Scaffolding moving horizontally backwards 2. Scaffolding shaft
3. Moving wheels 5. Protection plate
10a. Lower conveyor chain gear 10b. upper conveyor chain gear
15a. 1st power transmission chain gear 15b. 2nd power transmission chain gear
18. Chain gear for changing the direction of the platform 20. Conveyor chain
22. Fixed chain 23. Chain fixing plate
26a. Footboard direction change point 26b. Midpoint of foot change direction
26c. End point of scaffold direction change 30. Conveyor chain moving direction
50a, 50b, 50c. Front moving wheel guide plate 54. Ground separation guide plate
55a, 55b. Chain fixed section moving wheel guide plate 60. Power motor
61. Inverter for motor speed control 70. Interlocking shaft
80. Moving wheel landing guide block 81. Crank
84. Crank moving hole 85. Lower conveyor chain gear support
86. Upper conveyor chain gear support 88. Crank rotating part
95. Stop block 100. Safety handle
110. Adjustment part 115. Adjustment part support
200. Bearing 210. Bearing housing
300. Snap ring groove for fixing 500. French for fastening
510. fastening bolt 520. fastening pin
600. Frame 700. Chain clearance adjustment device
710. Chain clearance adjustment hole 720. Chain clearance adjustment device fastening bolt
730. Chain clearance adjustment direction
900a. Section A 900b. Section AA
910a. Section B 910b. Section BB
920a. Section C 920b. Section CC

Claims (3)

A scaffold (1a) with a protective plate (5), a scaffold shaft (2), a moving wheel (3), and a chain gear (18) for changing the direction of the scaffold;

A pair of conveyor chains that have a connection with the scaffold (1a), maintain an inclination angle at which a step is made at the front, and are capable of infinite rotation by four pairs of conveyor chain gears (10a, 10b) located on the frame 600 ( 20);

Front moving wheel guide plates (50a, 50b, 50c) for guiding the moving wheels (3) so that the footrest (1a) connected to the conveyor chain (20) can come down the front side by forming a horizontal staircase;

When the moving wheel 3 moves horizontally at the lower end, it protects the moving wheel 3 from damage and functional problems caused by dirt or foreign matter that may be on the ground, and when the scaffold 1a passes the lowest point of the lower end A ground separation guide plate 54 for maintaining a safety space between the ground and the ground to prevent a user's foot from being caught;

After the scaffold (1a) moves horizontally at the lower end and is suspended on the conveyor chain (20) while moving in the conveyor chain moving direction (30), in the scaffold direction conversion section (26a, 26b, 26c), the suspended scaffold (1a) is a horizontal staircase In order to change the direction in this direction, the direction conversion unit of the scaffold 1a composed of a fixed chain 22, a chain gear 18 for changing the direction of the scaffold, and a guide plate for moving the wheel guide plates 55a and 55b in a fixed section of the chain;

A chain clearance adjusting device 700 for adjusting the chain clearance of the conveyor chain 20; And in order to lower the starting point of the lower end of the scaffold (1a) constituting the stairs, a method of horizontally moving the lower rotation section; Low-floor stair exercise equipment comprising a. delete delete

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