JP3335099B2 - Staircase equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stair device capable of increasing or decreasing the horizontal and / or vertical spacing of a tread plate and changing the stair gradient.

[0002]

2. Description of the Related Art A staircase device in a house involves danger when going up and down. For example, in Article 23 of the Ordinance for Enforcement of the Building Standard Law, as shown in FIG. The length in the horizontal direction between the tread plates 2 and 2, that is, the length s of difficulty in stepping, is 150 mm or more, and the height in the vertical direction, that is, the height h of the hoist is 230 mm or less. Therefore, the law defines the length s of difficulty in stepping, the height h of the hoist, and therefore the limit value of the maximum stair slope. According to the Building Standards Law enforcement order, stairs A in FIG. 9 (hereinafter referred to as the enforcement order stairs A), and it can be seen that the stairs are relatively steep.

Therefore, in recent years, from the viewpoint of preventing accidents caused by stairs, stairs B (referred to as excellent stairs B) in FIG. 9 of a superior industrialized house recommended by the Finance Corporation, in which the length s of stepping is set to 220.15 cm, have also been proposed. ing. Furthermore, the length s
For example, stairs C of a high-standard house (referred to as a high-standard stair C) that is friendly to the elderly and the physically handicapped, for example, about 280 to 285 mm
The adoption of is also considered.

[0004]

However, it can be said that ordinary people have few opportunities to experience concretely, even though those stairs exist.

An object of the present invention is to provide a staircase device which achieves the above-mentioned object, based on the fact that the length of the stepping-up and the height of the hoist are made variable.

[0006]

The invention according to claim 1 is a staircase device in which a plurality of horizontal treads are arranged in parallel and stepwise at intervals in a horizontal direction and a vertical direction .
A stepping machine having a motion machine for moving each of the stepping plates in the horizontal direction to increase or decrease the horizontal spacing between the adjacent stepping plates.
This is a staircase device characterized by having a plate feeding means so as to be able to experience ascending and descending at different slopes .

[0007] By making it possible to adjust one or both of the length of the stairs, the height of the hoist, or both, on the stairs,
The length of the steps and the height of the lift change, and you can experience stairs with different stair grades. Moreover, even if the resident is a healthy person, an elderly person, a physically handicapped person, etc., the stairs (the height of the climb, the length of the step, the stair gradient) suitable for each are set. It becomes easy to select.
In addition, such stairs with varying stair gradients can be used as rehabilitation equipment suitable for users, and when placed in the exhibition hall, many people experience the stairs, change their awareness of stairs, and It can also be information at the time.

[0008] The invention of claim 2 is characterized in that a stair railing whose handrail gradient changes in conjunction with the change of the stair gradient is provided.

Thus, a stair railing is provided which is variably adjusted in accordance with the gradient of the stairs. For this reason, when using the handrail of the stairs of various gradients, it is possible to experience both ascending and descending operations when not using it. Therefore, it is possible to experience a more realistic operation. This stair railing changes the slope according to the stair slope, so as to ensure the safety of climbers.

According to the third aspect of the present invention, the height of the stair railing is adjustable, so that the optimum height of the stair railing can be adjusted according to various conditions such as the height of the elevating person and the inconvenience of the body. Can be set.

According to a fourth aspect of the present invention, there is provided a tread plate display portion for displaying the arrangement of the tread plates at the horizontal and vertical intervals, so that the tread plate is displayed on the tread plate display portion from a steep to a gentle slope. The stairs can be moved up and down while comparing with the arrangement stairs, which helps to confirm the actual feeling.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments will be described below with reference to the drawings. 1 to 3, a staircase device 1
Comprises a plurality of horizontal treads 2..., And sets a horizontal distance, that is, a length s and a vertical distance, that is, a lifting height h, between adjacent treads 2. In this example, the display device is formed as an exhibition device for experiencing a staircase gradient change as shown in FIG. In addition, it can be formed as a so-called rehabilitation device, test device, or the like.

In the staircase device 1 shown in FIGS. 1 to 3, the vertical interval of the tread plate 2, that is, the height h of the hoist is constant, and only the horizontal interval, that is, the length s of the step is hardly changed. Accordingly, the step board 2 can be stopped at any position between the enforcement instruction stairs A and the high standard stairs including the positions of the enforcement instruction stairs A, the excellent stairs B, and the high standard stairs C shown in FIG.

Further, in this embodiment, the staircase device 1 is provided with a staircase portion 5 having the step board 2, side walls 6, 7 extending along both side edges of the staircase portion 5, and stair handrails 8, 8. In the staircase section 5, the lowermost tread plate 2 </ b> A is formed as the upper surface of a short base 9 that forms the bottom of the staircase device 1.

On the other hand, 4 adjacent to the upper side of the tread 2A
The two steps 2B to 2E are a box 1 including
0B to 10E.

As shown in FIG. 9, if the length sA of the step on the execution staircase A is 150 mm, and the length sC of the step on the high standard stairs is 281.6 mm, for example, The difference in length (sC-sA) for stepping is 1
In this example, in which the four steps of the tread plates 2B to 2E move, the stroke sM of about 526.4 mm, which is four times as large, is about 36.4 mm.
, The uppermost box 10E moves horizontally. The lower boxes 10D to 10B are sequentially 3/4, 2/4, 1 /
Travel four times the distance.

The staircase device 1 is provided with the boxes 10B to 10B.
E, a step board slide means 11 for holding each of the step boards 2B to 2E at a predetermined height and capable of moving in the horizontal direction;
It has a tread feeding means 12 for sending 0B to 10E back and forth in the above-mentioned stroke in proportion to the height of each tread 2B to 2E.

As shown in FIG. 2, the boxes 10B to 10D are provided with the tread plates 2B to 2D on the upper surface of a frame in which the frame member 21 is joined in a U-shape with an open rear end. A crimping plate 3 is provided from the front end over a length exceeding the length sC.

The uppermost box 10E has a rectangular frame material 21.
A tread plate 2E is attached to the entire upper surface of the framework to which is joined, a crimping plate 3 is provided, and a rear wall W is raised at the rear end so as to be integrally movable.

Further, the boxes 2B to 2E are provided with protrusions 23 (shown in FIG. 2) in which the side edges of the tread plates 2B to 2E and the recessed plate 3 protrude from the frame member 21 located on the side. A space 24 is formed below the protruding portion 23, and the step plate sliding means 11 is disposed in the space 24.

The step board slide means 11 includes the box bodies 2B to 2
Various well-known things which guide E horizontally can be adopted.

For example, a small-sized box 2B has side walls 6,
A guide hardware 29 comprising a rail 26 fixed to 7 and a guide roller 27 which rolls on the rail 26 and is pivotally supported by the box plate 2B is used.

Since the front end of the rail 26 is located behind the position of the recessed plate 3 in the high standard stairs C, the protruding portion 23 hides the rail 26 to prevent the rail 26 from being viewed from the outside. .

On the other hand, in the case of the uppermost box 2E having a large stroke sM between the enforcement stairs A and the high standard stairs C, the side wall 6 is used as the tread slide means 11, as schematically shown in FIG. , 7 and a connecting rod 31 having a plurality of guide rollers 27...
And a rail-shaped holding rod 32 fixed to the frame member 21 on the side of the box 10E.

The holding rod 32 is horizontally slid forward and backward by being held between the guide rollers 27 facing the connecting rod 31 and supported by the guide roller 27 at the front end. When the holding rod 32 projects most forward,
When the connecting rod 31 advances half its length, it can bear the force acting on the box 10E by connecting the rail 26 and the holding rod 32. Also, the front end of the rail 26 is located behind the sink plate 3 of the box 2E on the high standard stairs, and is similarly blindfolded.

The third and fourth boxes 2C and 2D can use either the guide hardware 29 or the drawer hardware 33.

Further, for example, rails and stepping plate slide means 11 using guide rollers provided on the upper surface or side edge of each box body 10 can be used in combination.

The step board feeding means 12 includes a box 10B
10E is moved between the enforcement order stairs A and the high standard stairs C.

In this embodiment, the stepping plate feed means 12 is a lever 37 whose lower end is pivotally supported by a support shaft 36 crossing between the bases 9 so as to be able to swing back and forth, and swings the lever 37 and stops at a predetermined position. Exercising machine 39 and the lever 37
And connecting rods 42B to 42E for connecting between the support shaft 40 bridged over the boxes 2B to 2E.

The upper end of the lever 37 has a box body 10E.
Of the connecting rod 2E with the swing of the lever 37.
Move the box sM between the enforcement order staircase A and the high-standard staircase C via the box 2E. Connecting rods 42B to 42D
Similarly, each of the boxes 10B to 10D is moved along the stroke between the enforcement order stairs A and the high standard stairs C by being connected at equal positions from the pivot point of the lever 37.

The side walls 6, 7 are both erected on the base 9, and one side wall 6, as shown in FIG.
When the front edge is bent, for example, in the shape of the tread plate arrangement of the enforcement instruction stairs A, the bent portion forms a tread display section 14 for displaying the enforcement instruction stairs A. The other side wall 7 is provided with a tread panel display section 14 composed of lines LA and LB for displaying the execution order stairs A and the excellent stairs B.

The elevating person can more concretely grasp the gradient of the stairs ascending and descending by comparing with the tread panel display section 14 while ascending and descending, thereby facilitating the comparison. Note that as the tread plate display section 14, a line drawn with paint, tape, or the like,
Further, a portion above the stairs on the side wall may be a light transmitting plate or the like on which the line is displayed. .. May be arranged outside the range of movement of the treads 2 in the device 1.

The stair part 5 includes the stair handrail 8. The stair handrail 8 includes a handrail 16 whose height is variable while the handrail gradient changes in accordance with the staircase slope.

In this example, the stair railings 8 are provided with the main pillars 44, 44 on both sides of the front end of the tread 2A and the tread 2E, and between the receiving members 45, 46 at the upper end of the main pole 44. The handrail 16 is bridged.

In this example, the main pillar 44 is the step board 2.
A, 2E, an actuator 49, such as an electric screw cylinder, on which a rod is mounted on the lower surface, and a column 50, which is fixed to the rod via a joint and stands up, is provided. The receiving portion 46 slidably holds the handrail 16. The joint is covered with a cover 52.

However, in the staircase device 1, the boxes 10B to 10E are slid by the tread plate slide means 11 through the lever 37, the connecting rods 42B to 42E, etc., by the operation of the exercise machine 39 of the tread plate feed means 12, and are operated. It is possible to move horizontally and stop the steps between the stairs A, the superior stairs B and the high standard stairs C. This changes the staircase gradient. Therefore, the climbing person can experience climbing up and down stairs having different slopes while comparing with the step board display section 14, and can select a stair having a suitable step board arrangement.

Further, the main column-shaped member 44 of the box 10E moves together, and the receiving portion 46 holds the handrail 16 so that the handrail 16 can be slid.
It can be changed according to the stairs gradient. Further, the support 49 can be expanded and contracted by the actuator 49, the height of the handrail 16 can be adjusted, and a preferable height can be selected.

The exercise machine 39 and the operating machine 49 are oil,
Other than pneumatic cylinders, motor operated screw cylinders, etc.
Various types can be used as long as the lever 37 can be swung or the column 50 can be moved up and down, such as a crank type in which a link is provided at the arm end of the deceleration motor or another link type.

FIG. 4 shows another example in which a parallel crank mechanism which also serves as the step board slide means 11 and the step board feed means 12 is used.

A main lever 52 which rises on both sides of the rear portion of the staircase portion 5 and has a lower end pivotally supported near the height of the tread plate 2A;
It is the length of the raised height h1, which is located behind the recessed plate 3 of the tread plate 2B and whose lower end is the main lever 5
A parallel crank mechanism is formed by the setting lever 53B aligned with the lower end of 2, the connecting rod 54B connecting the upper end of the setting lever 53B, the same height position of the main lever 52, and the base 9. Similarly, the stacking levers 53C to 53E and the connecting rods 54C to 54E sequentially form a stacked parallel crank mechanism. Therefore, by moving the main lever 52 by the exerciser 39, the main lever 52 moves between the enforcement order stairs A and the high-standard stairs C.

In this embodiment using the parallel crank mechanism,
Assuming that the lifting height h is 230 mm, the height k is about 40 mm or less at the middle position of the stroke, and the uppermost step board 2E moves up and down (about 1 mm at the lowest step board 2B).
0mm).

The gap G between the lower end of the drop plate 3 and the lower step plate 2 is thereby changed. In order to prevent danger due to this change, the gap G can be always closed by using a slide plate 56 as shown in FIG. 5, for example. It is preferable to close the side gap by listening to the side wall and the like.

FIG. 6 shows an example of the staircase device 1 in which the lifting height h is changed simultaneously with the length s of the stepping force by a parallel crank mechanism using two main levers 52,52.

In this parallel crank mechanism, the height h of the lift can be greatly changed, and the height h of the tread plate can be further changed.
It can be said that the step plate raising / lowering means 13 for changing the step size is formed.

FIGS. 7 and 8 show various steps of the stairs by changing the stepping length s, which is the horizontal distance, and the lifting height h, which is the vertical distance, independently of each other. 1 shows a staircase device 1 that can form a staircase.

In FIG. 7, on both sides of the base 9, the tread plate elevating means 13 which can be accommodated in the side walls 6, 7 (not shown in FIG. 7) shown in FIG. 1 is provided.

In the present embodiment, the step board lifting / lowering means 13 is provided at the rear end of the base 9 at an intermediate position, at which the vertical frame 6 is provided.
0, guide shafts 62, 62 disposed in parallel between the upper frame member 61 and the base 9, and support shafts 64B to 64 having at both ends bearings 63, 63 guided by the guide shafts 62, 62.
E, a pantograph mechanism 65 that pivots at the intersection with each of the support shafts 64B to 64E and pivotally connects the lower end with the base 9, and, for example, an actuator that raises and lowers the uppermost support shaft 63E (various types can be used). It consists of 66.

As shown in FIG. 8, the support shafts 64B to 64E are connected, for example, with the support shafts (not shown) facing each other in the side walls 6, 7 via the bearing 63 by a joint shaft 67. I have.

As a result, the supporting shaft 6
4E, the support shafts 64B to 63D can be moved up and down by the pantograph mechanism 65 in substantially proportion to the height of each tread plate 2 from the floor surface.

As shown by the dashed line in FIG. 8, the support shafts 64B to 64E are provided with the rails 26 of the tread plate slide means 11 shown in FIGS. By arranging 12, the tread plates 2B to 2E can be moved, and thus the length s and the height h of the lift which can be hardly stepped on can be separately adjusted, and the stair gradient can be freely changed.

Further, in the parallel crank mechanism shown in FIG. 6, the supporting shafts 64B to 64E shown in FIGS.
It is also possible to provide the rail 26 of the tread slide means 11 or the like at 64E. Various changes can be made such as changing the number of steps of the tread plate.

[0052]

According to the first aspect of the present invention, by making it possible to adjust one or both of the length of the stepping and the height of the hoist, the length of the stepping and the height of the hoist change. Then, the climbers can experience the stairs with different stair grades. Therefore, even if the resident is a healthy person, an elderly person, a physically handicapped person, etc., it is easy to select stairs with relatively desirable specifications suitable for each. Such stairs can be used as rehabilitation equipment, and when placed in an exhibition hall, many people can experience stairs, change their perception of stairs, and provide information for rehouse.

According to the second aspect of the present invention, a stair railing whose handrail gradient changes in conjunction with the change of the staircase gradient is provided.
You can experience the operation when you do not use it. Therefore, it is possible to experience a more realistic operation. This stair railing changes the slope according to the stair slope, so as to ensure the safety of climbers.

According to the third aspect of the present invention, the height of the stair railing can be adjusted, so that the optimum height of the stair railing can be set according to various conditions of the climber.

According to the fourth aspect of the present invention, since the step display section is provided, the stairs from a steep to a gentle slope can be moved up and down while comparing the steps with the step arrangements displayed on the step display section. , Making the comparison easy.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of the present invention.

FIG. 2 is a perspective view illustrating an essential part thereof.

FIG. 3 is a diagram illustrating the operation.

FIG. 4 is a sectional view showing another embodiment.

FIG. 5 is a cross-sectional view illustrating the closing of a gap between a step board and a step board.

FIG. 6 is a sectional view showing another embodiment.

FIG. 7 is a side view showing another embodiment.

FIG. 8 is a perspective view showing a main part thereof.

FIG. 9 is a diagram illustrating steps having different slopes.

[Explanation of symbols]

 2A to 2E Tread plate 3 Sink plate 5 Stair portion 6, 7 Side wall 8 Stair handrail 11 Tread plate sliding means 12 Tread plate sending means 13 Tread plate elevating means 14 Tread plate display unit 16 Handrail

────────────────────────────────────────────────── ─── Continued on the front page (58) Fields investigated (Int.Cl. ⁷ , DB name) E04F 11/00-11/18 Practical file (PATOLIS) Patent file (PATOLIS)

Claims (4)

(57) [Claims] The method according to claim 1 a plurality of horizontal footplate, a stairway apparatus arranged in parallel and stepwise at intervals in the horizontal direction and the vertical direction, moves the respective footboard in the horizontal direction by actuation, next to one another Exercise machine to increase or decrease the horizontal spacing of matching treads
Equipped with a tread plate feeding means having
A staircase device characterized by being able to be tested . 2. The method according to claim 1, wherein the step plate is provided at the horizontal interval.
2. The staircase device according to claim 1, wherein a staircase handrail whose handrail slope changes in conjunction with the change of the stairway slope is provided as the stairs slope changes due to increase and decrease . 3. The staircase device according to claim 2, wherein the height of the handrail is adjustable. 4. The staircase device according to claim 1, 2 or 3, wherein said horizontal step and / or said vertical step are arranged on a side wall extending along a side edge of said step plate. A staircase device with a treadboard display section that displays the information.