JP2001226057A - Slide rail of chair type stairway elevator device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the slide rail of a chair type stairway elevator device capable of reducing the moving action of an end part guide rail, stabilizing the storage state of the end part guide rail in strength, eliminating a projected portion on the side surface of the rail, and minimizing the occupied space on the down stairs side of a stairway. SOLUTION: A slide member 31 movable in and out of the end part of a guide rail 21 is disposed at the end part of the guide rail 21, and an end part guide rail 21a is installed on the slide member 31 through a plurality of swing links 36. When the slide member 31 is drawn out of the end part of the guide rail 21 and the swing links 36 are raised in the extension direction of the guide rail 21, the end part guide rail 21a is disposed extendingly at the end part of the guide rail 21. When the swing links 36 are raised to the guide rail 21 side and the slide member 31 is pulled into the guide rail 21, the end part guide rail 21a is raised above the guide rail 21 so that the end part guide rail 21a is positioned above the guide rail 21. Thus, the occupied space on the down stairs side of the stairway can be minimized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slide rail of a chair-type stair climbing and lowering device which can be used to move up and down stairs while sitting on a chair. The present invention relates to a slide rail that can be folded and shortened.

[0002]

2. Description of the Related Art As a welfare device for people who have difficulty in ascending and descending stairs, a guide rail provided along the slope of the stairs is provided with a chair that moves along the guide rails. A chair-type stair-climbing device that can be used has already been proposed.

In the chair type stair climbing device 1, as shown in FIG. 9, a guide rail 2 is installed along a slope of a stair A, and a lifting mechanism 4 is fitted on the guide rail 2, and the lifting mechanism 4 It has a structure in which the chair 5 is attached, and operates the switch while sitting on the chair 5 to activate the elevating mechanism 4, whereby the chair 5 moves along the guide rail 2,
The stairs A can be moved up and down while sitting on the chair 5.

In this case, on the lower floor side of the stairs A, the lower end of the guide rail 2 is installed so as to approach the lower floor so that the passenger can get on and off the chair 5 without any trouble.
On the lower floor side, the lower end of the guide rail 2 protrudes from the wall surface.

[0005] Most of the installation of the chair-type stair climbing and lowering device 1 is performed in ordinary households. If the lower end of the guide rail 2 protrudes from the lowermost nose as described above, there is a danger of tripping and the like. There is a possibility that the space on the lower floor side of the stairs A will be occupied, and if there is a door or the like, there will be an obstacle that the door cannot be opened and closed freely, or there may be a case where it cannot be installed.

Conventionally, in order to solve the above inconvenience, the lower end of the guide rail 2 is divided at a position of a predetermined length,
There has been proposed a structure in which a divided end guide rail is fixed to a guide rail so as to be able to move up and down, and an extended state and a flipped state of the end guide rail are held by a damper device.

[0007]

However, in the structure in which the end guide rails are flipped up, the action of moving the end guide rails is large, and there is a risk that the end guide rails will fall down when a force is applied from above. As a result, the width of the rail becomes wider by that amount, and the space on the lower floor of the stairs is occupied.

Accordingly, an object of the present invention is to reduce the action of moving the end guide rail, stabilize the storage state of the end guide rail, prevent the projecting portion from protruding from the side of the rail, and provide a staircase. It is an object of the present invention to provide a slide rail of a chair-type stair climbing device capable of minimizing an occupied space on a lower floor side of a vehicle.

[0009]

According to a first aspect of the present invention, a guide rail is provided along an incline of a stair, which guides an elevating mechanism to which a chair is attached. A slide rail of a chair-type stair climbing device for dividing the end guide rail at a predetermined position at an upper position of the guide rail from an extended state of the guide rail; A slide member that is movable in the length direction of the guide rail, and that can move in and out of the end of the guide rail, is arranged on the slide member so as to be swingable in the length direction of the guide rail. When the end guide rail is attached via a plurality of swing links, the slide member is pulled out from the end of the guide rail, and the swing link is pulled up in the direction of extension of the guide rail, the end portion becomes The guide rail is extended at the end of the guide rail, so that when the swing link is raised to the guide rail side and the slide member is drawn into the guide rail, the end guide rail is positioned above the guide rail. , And has a configuration in which the moving stroke of the slide member and the length of the swing link are set.

According to a second aspect of the present invention, in the first aspect of the present invention, the end guide rail is located on the guide rail and the end guide rail, and the end guide rail is located above the guide rail. And a stopper which is disengaged by lifting the end guide rail so as not to move toward the end.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

As shown in FIG. 1, a chair type stair climbing device 1
The basic configuration of 1 is to install the guide rail 21 along the slope of the stairs A by attaching it to a rail support,
The elevating mechanism 4 is fitted to the guide rail 21, and the elevating mechanism 4 has a structure in which a seat, a footrest, a backrest, an armrest 5 and the like are attached to the elevating mechanism 4.

The guide rail 21 is provided with a downward side plate 23 on both sides of an upper plate 22, an oppositely directed outward bottom plate 24 at the lower ends of the both side plates 23, and a perpendicular to the outer ends of both bottom plates 24. It has a cross-sectional shape provided with a rising outer plate 25,
A bottom plate 26 is stretched on the lower surface between the two bottom plates 24, and a guide groove 27 for guiding an elevating mechanism is provided between the opposing surfaces of the side plate 23 and the outer plate 25.
The rack or chain 28 is fixed on one side of the upper surface of the upper plate 22 along the length direction. The lifting mechanism 4 includes a guide groove 27 in which a roller is fitted, and a sprocket that rotates when the motor is started is driven by the chain 28. When the switch on the armrest or the like is operated while the chair is sitting on the chair and the sprocket is rotated by the activation of the motor of the elevating mechanism, the chair moves along the guide rail 21 and sits on the chair. The stairs A can be moved up and down.

As shown in the figure, an end located on the lower floor side of the guide rail 21 is divided at a position of a predetermined length from the end, and the divided end guide rail 21a is guided by a slide mechanism 29 by a guide rail. The guide rail 21 is attached to a lower end of the guide rail 21 so as to be in a retracted state in which the guide rail 21 is located above the guide rail 21.

The end guide rail 21a has the same cross-sectional shape as the guide rail 21, as shown in FIG.

A chain 28 is fixed to the upper surface of the upper plate 22 of the end guide rail 21a on one side thereof along the length direction. Has a cross-sectional shape that forms a protruding portion that fits in an inner space surrounded by the upper plate 22 and the side plate 23. This chain 28 is continuous with the chain 28 of the guide rail 21.

The slide mechanism 29 for attaching the end guide rail 21a to the end of the guide rail 21 includes a bottom plate 2
A fixed guide member 3 having a U-shaped cross section fixed on the upper surface 6
0, and a slide member 31 held in the fixed guide member 30 and having an upward U-shaped cross section.
1 is movable in the length direction of the guide rail 21.

The slide member 31 has a length slightly shorter than the end guide rail 21a. As shown in FIG. 3, a stopper 32 provided at the end of the bottom plate 26 of the guide rail 21 and the slide member 31 are provided. By the stopper 33 provided at the lower end, the slide member 31 is prevented from coming off from the tip of the guide rail 21 and the drawing position is restricted.

Downward U-shaped brackets 34 are fixed to the lower surface of the bottom plate 26 of the end guide rails 21a at positions near both ends. The upper end of the end guide rail 21 is fixed, and both swing links 36 have the same length.
a, and the lower ends of the two swing links 36 are fixed to the slide member 31 by a shaft 37 so that the two swing links 36 are parallel to each other, whereby the end guide rail 21a and the slide member The end guide rail 21a is supported on the slide member 31 via the two swing links 36, so that the end guide rail 21a is connected to the slide member. In addition to moving in the length direction of the guide rail 21 integrally with the guide member 31, the guide rail 21 can freely swing in the length direction with respect to the slide member 31. The swing link 36 is always provided with elasticity for rotation toward the guide rail 21 by a spring 38 provided on the shaft 37 of the slide member 31.

A take-up mechanism 39 is fixed on the bottom plate 26 of the guide rail 21 on the inner side in the length direction, and a spring 40 pulled out from the take-up mechanism 39 is fixed to the swing link 36 on the rear end side. The end guide rail 21a is provided with a movement elasticity toward the guide rail 21 by the elasticity of the winding mechanism 39 in the direction in which the spring 40 is constantly wound.

As shown in FIG. 1 to FIG.
When the end guide rail 21a is moved to the front end side of the guide rail 21 and the two swing links 36 are pulled up in a state where 1 is pulled out from the front end of the guide rail 21, the end guide rail 21a is at the front end of the guide rail 21. The arrangement is in the form of an extension, so that the elevating mechanism can get on and off between the guide rail 21 and the end guide rail 21a.

The end guide rail 21a is the guide rail 2
When the guide rail 21 is extended, the rear end inclined surface 43 of the end guide rail 21a is attached to the front end inclined surface 42 of the guide rail 21.
And a lower end of the end guide rail 21a is supported by a receiving member 44 provided at the lower end of the guide rail 21. Further, a grounding member 45 fixed to the lower end of the end of the end guide rail 21a is a lower floor. By grounding on the floor, the load applied to the end guide rail 21a is supported.

When the end guide rails 21a are lifted to raise the two swing links 36, the end guide rails 21a are located above the upper surface of the guide rails 21 as shown in FIGS. As a result, the end guide rail 21a can be moved on the guide rail 21.

When the end guide rail 21a is lifted, the end guide rail 21a is
In order to be able to move upward, a notch 46 is provided in the upper wall of the guide rail 21 along the length direction from the tip so as to allow the two swinging links 36 to pass therethrough. The total length of the guide rail 21a is
It can be pulled up.

The end guide rails 21a are connected to the guide rails 2 at positions on both sides of the lower surface of the rear end of the end guide rails 21a.
1 to raise the swing link 36 to the guide rail 21.
Side plate 2 of the guide rail 21 while slightly inclined to the side.
5, a roller 47 for guiding the end guide rail 21a to move in the longitudinal direction of the guide rail 21 is attached, and the state of the end guide rail 21a riding on the guide rail 21 is regulated by the roller 47. Thus, the end guide rail 21a can be smoothly moved on the guide rail 21.

The end guide rails 21a and the side surfaces of the guide rails 21 are engaged with each other when the end guide rails 21a are most moved on the guide rails 21 so that the end guide rails 21a are A pair of plate-like stoppers 48 are fixed so as not to move to the distal end side. This stopper 48 is used for the end guide rail 2.
If the swing link 36 is set upright by lifting 1a, the engagement is released.

The upper plate 22 of the end guide rail 21a is also provided.
Openings 49 and 50 are provided at the center of the bottom plate 26, respectively.
The handle 53 is fixed to the upper surface of the lid 51 and moves to the bracket 54 fixed to the lower surface of the lid 51 and the lower portion of the upper plate 22 in the end guide rail 21a. A possible stopper 55 is connected to the link 56 via an arm 57.

The stopper 55 is provided at the end guide rail 21.
When the handle 53 is not lifted, the end of the stopper 55 is connected to the end guide rail 21a.
When the end guide rail 21a is extended from the rear end of the guide rail 21, the end of the stopper 55 engages with the lower surface of the rear end of the upper wall 22 of the guide rail 21, and the end guide rail 21a rises. When the handle 53 is lifted, the handle 53 is moved in and out from the rear end of the end guide rail 21a, so that the end guide rail 21a can be lifted.

The slide rail according to the present invention has the above-described structure. When the chair type stair climbing device is used, the end guide rail 21a is extended to the tip of the guide rail 21 as shown in FIGS. Arrangement. In this state, the rear end inclined surface 43 of the end guide rail 21 a hits the front end inclined surface 42 of the guide rail 21, and the rear end of the end guide rail 21 a is received by the receiving member 44 provided at the lower end of the front end of the guide rail 21. The lower part is supported, the grounding member 45 is grounded on the floor, and the end of the stopper 55 is
1 is engaged with the rear end, and the chain 28 is extended, so that the chair-type stair climbing device can enter from the guide rail 21 to the end guide rail 21a and descend to the lower floor of the stairs. Can be done.

When the chair-type stair-climbing device is not used, when the handle 53 is gripped and lifted, first, the stopper 55 is retracted to disengage from the guide rail 21 and the lifting force of the handle 53 is reduced to the end. Since it directly acts on the guide rail 21a, the both swing links 36 are raised, and the end guide rail 21a rises while rotating toward the guide rail 21, and the both swing links 36 move from the upright posture to the guide rail 21 side. The roller 47 rides on the outer plate 25 of the guide rail 21 as shown in FIG.

Next, as shown in FIGS. 6 and 7, when the end guide rail 21a is pulled toward the guide rail 21 while holding the handle 53, the end guide rail 21a together with the slide member 31 is moved. 21, the end of the slide member 31 hits a stopper 58 provided on the guide rail 21, and the stopper 48 is moved in a state where the entire length of the end guide rail 21 a is retracted onto the guide rail 21.
Are engaged with each other, and the end guide rail 21 a is fixed so as not to move to the distal end side of the guide rail 21.

As described above, when the end guide rail 21a is lifted onto the guide rail 21 and retracted, the end facing the lower floor of the guide rail 21 is moved to the end guide rail 21a.
And the end of the guide rail 21 protruding from the lower floor surface can be eliminated.

As shown in FIGS. 6 to 8, the end guide rail 21a is supported on the two swing links 36 while the end guide rail 21a is mounted on the guide rail 21. Since the roller 47 provided below the guide rail 21a hits on the outer plate 25 of the guide rail 21 and the stopper 48 vertically overlaps, the end guide rail 21
Excellent load bearing strength against a.

As described above, the end guide rail 21a slid on the guide rail 21 is moved to the guide rail 21.
In order to extend to the tip of the guide rail 21, the gripper 53 is lifted and the end guide rail 21 a is lifted, and the swing link 36 is moved so as to be tilted to the tip end side of the guide rail 21. Then, the roller 47 which has once risen hits the outer wall 25, and in this state, the end guide rail 21a is moved together with the slide member 31 to the tip end side of the guide rail 21.

When the stoppers 32 and 33 come into contact with the slide member 31 and stop while the slide member 31 is pulled out toward the distal end of the guide rail 21, the end guide rail 21 a is moved to the distal end of the guide rail 21 by the inclination of the swing link 36. Then, the rear end surface 43 of the end guide rail 21 a hits the front end surface 42 of the guide rail 21, and when the handle 53 is released, the stopper 55 is engaged with the guide rail 21, and the end of the guide rail 21 ends. Part guide rail 21a
Becomes an extension.

[0036]

As described above, according to the present invention, a guide rail is provided along the slope of the stairs, and a chair moving along the guide rail is attached to the guide rail.
In a chair-type stair climbing device capable of moving up and down stairs simply by sitting on a chair, a slide member movable in the length direction of the guide rail is disposed at an end of the guide rail, and a guide is provided on the slide member. Attach the end guide rail through a plurality of swing links arranged to be able to swing in the length direction of the rail, pull out the slide member from the end of the guide rail, and move the swing link in the extension direction of the guide rail. When pulled up, the end guide rail is extended at the end of the guide rail, and when the swing link is caused to the guide rail side and the slide member is drawn into the guide rail, the end guide rail is moved to the guide rail. Since the end guide rail only moves on the swing link as a fulcrum, the end guide rail is moved. The action can be reduced.

Further, when the end guide rails are stored, the guide rails ride on the guide rails, so that the support strength of the load applied to the end guide rails is excellent, and the storage state of the end guide rails is stable. Furthermore, since the slide mechanism is accommodated between the guide rail and the end guide rail, there is no projecting portion on the side surface of the rail, and the occupying space on the lower floor side of the stairs can be minimized.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the overall structure of a chair-type stair climbing device according to the present invention.

FIG. 2 is a perspective view showing an extended state of a guide rail in the same.

FIG. 3 is a longitudinal sectional view of the above.

FIG. 4 is a perspective view showing a state where the guide rail is being folded;

FIG. 5 is a longitudinal sectional view of the above.

FIG. 6 is a perspective view showing a folded state of the guide rail.

FIG. 7 is a longitudinal sectional view of the above.

FIG. 8 is an enlarged vertical sectional side view of the above.

FIG. 9 is a perspective view showing the overall structure of a conventional chair-type stair climbing device.

[Explanation of symbols]

 11 Chair Type Stair Lifting Device 21 Guide Rail 21a End Guide Rail 22 Upper Plate 29 Slide Mechanism 30 Fixed Guide Member 36 Swing Link 38 Spring 39 Winding Mechanism 48 Stopper

Claims (2)

[Claims] 1. A guide rail, which is arranged along a slope of a stair and guides an elevating mechanism to which a chair is attached, is divided into predetermined lengths at end positions, and the divided end guide rails are extended from the guide rails. A slide rail of a chair-type stair climbing device for positioning the guide rail from the state, wherein the slide rail is movable in a length direction of the guide rail at an end of the guide rail, and enters and exits from the end of the guide rail. Arrange a free slide member, and on this slide member,
Attach the end guide rail via a plurality of swing links arranged to be able to swing in the length direction of the guide rail, pull out the slide member from the end of the guide rail, and extend the swing link in the guide rail extension direction When pulled up, the end guide rail is extended at the end of the guide rail, and when the swing link is caused to the guide rail side and the slide member is drawn into the guide rail, the end guide rail is guided. A slide rail for a chair-type stair climbing device, wherein a moving stroke of a slide member and a length of a swing link are set so as to be positioned above the rail. 2. An end guide rail is engaged with the guide rail and the end guide rail such that the end guide rail does not move toward the end of the guide rail in a state where the end guide rail is positioned above the guide rail. The slide rail according to claim 1, further comprising a stopper which is disengaged by lifting the end guide rail.