JP2000034077A - Stairway elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an adaptable stairway elevator even if there are stairs being mainly set up outdoors and thier grades are varied or curved. SOLUTION: A tubular guide rail 2 whose whole shape is annulus, and parallelly installed with both lower and upper rails 5 and 6, is installed along the stairway. A flexible cable is stored in this guide rail 2. A travelable liftable body 4 is installed in both these lower and upper rails 5 and 6 in common and, in turn, this liftable body 4 is provided with a lower hanger to be joined to the lower rail 5 free of slide motion and an upper hanger to be joined to the upper rail 6 free of slide motion, respectively. A connecting arm connected to this cable is projected from the lower rail 5 and connected to the lower hanger. This cable is reciprocated by two reciprocating drivers 10 and 11. This liftable body 4 has a machine frame 12 and a floor base 13 is installed in a lower end of this machine frame 12, while a safety shelf 14 is installed in an upper end of this liftable body 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stair climber that moves up and down along stairs, and more particularly to a lift that fits a stair installed outdoors.

[0002]

2. Description of the Related Art Stair elevators that move up and down along stairs have been known in the past, and in recent years, they have been installed not only on stairs in buildings, but also on stairs leading to platforms from station premises.

Conventionally proposed stair lifts have been developed for the purpose of being installed indoors, such as in a building or a station yard, and have not been structured to cope with rain or snow.

On the other hand, many stairs are installed outdoors.
If people who have difficulty walking or use a wheelchair can go up and down stairs without assistance, their range of action will be greatly expanded. This is the reason why a stair climber suitable for stairs installed outdoors is required.

[0005]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a stair climber which can be adapted to stairs which are mainly installed outdoors and have a changing gradient or a bend.

[0006]

Means for Solving the Problems A solution of the present invention is a tube-like structure provided along a staircase and having an annular overall shape and provided with a lower rail (5) and an upper rail (6) in parallel. Guide rail (2) and said guide rail (2)
A flexible cable (9) housed therein and an elevating body (4) movable along the lower rail (5) and the upper rail (6). Is a lower hanger (15) slidably joined to the lower rail (5) and an upper hanger (1) slidably joined to the upper rail (6).
6) and a connecting arm (2) connected to the cable (9).
3) a reciprocating drive device (10, 11) which projects from the lower rail (5) and is connected to a lower hanger (15) to reciprocally drive a rope (9) at the end of the guide rail (2).
In the guide rail (2), the lower and upper rails (5, 6) are connected by a first connection pipe (7) at the top of the stairs or at the bottom of the stairs. A reciprocating drive (10, 11) of the cable (9) is incorporated in the first connection pipe (7). In the guide rail (2), the second connecting pipe (8) is bent downward in a U-shape in plan view at the bottom of the stairs, and the second connecting pipe (8) is moved up and down ( 4) The mooring section. Furthermore, the guide rail (2) is provided with a slit (5a) along the axis from which the connecting arm (23) connected to the cable (9) projects from the lower rail (5).

The lifting body (4) has a machine frame (12), a floor stand (13) is provided at a lower end of the machine frame (12), and a safety fence (14) is provided at an upper end. Features
The floor (13) and the safety fence (14) of the elevating body (4) are provided with a rotatable mounting portion to the machine frame (12).

The cable (9) has a ball joint (30) and a leg joint (31) arranged alternately, and a wire (32) is provided inside the ball joint (30) and the leg joint (31). The spherical joint (30) is formed into a spherical body as a whole, and the leg joint (31) is connected to the spherical joint (3).
0) forms a spherical receiving portion (41) having the same curvature as the spherical portion of the spherical joint (30), and the spherical receiving portion (4).
The spherical joint of the spherical joint (30) is joined to 1), and the spherical joint (30) is provided on the outer peripheral surface in a direction perpendicular to the axial direction of the through hole (35) through which the wire passes. A plurality of bearing balls (36) are provided, and the bearing balls (36) have small balls (38) arranged at the corners of the holes for accommodating the bearing balls (36). Further, the spherical joint (30) is formed by screwing the first sphere (33) and the second sphere (34) into a spherical body as a whole.
Further, the spherical joint (30) has an inner spherical portion (3) concentric with the spherical surface of the spherical joint (30) at the center of the through hole (35).
5a) is formed, and the opening formed in the outer spherical portion has a tapered shape in which the opening has a larger diameter than the inner spherical portion (35a). In addition, the leg joint (31) is provided with flange portions (40) at both ends, and a sphere receiving portion (41).
Is formed in the opening hole of the flange portion (40).

[0009] The cable (9) joins the spherical portion of the ball joint (30) to the ball receiving portion (41) of the leg joint (31), and connects the spherical joint (30) and the leg joint (31). The screw tube (43) is screw-coupled, and the outer shape of the head (44) of the screw tube (43) has the same curvature as the inner spherical portion (35a) formed in the through hole (35) of the spherical joint (30). The head (44) and the inner spherical portion (35a) are joined, and the cable (9) has a wire (32) having an end fixed to an end fixing tube (50). The flange portions (51) provided on the end fixing tubes (50) are connected to each other by a coil spring (52).
To form an entire ring. further,
The cord (9) has a ball receiver (5) between the ball joints (30).
3) is provided, and a coil spring (54) is attached to the opposing bulb receiver (53).

[0010] The connecting arm (23) is formed by the tube portion (55) and the arm portion (56), and the tube portion (55).
The arm (56) is projected from the slit (5a) of the lower rail (5).

The lower hanger (15) comprises an outer case (60) having a C-shaped cross section and an elevating body (4) driven by a base shaft (17).
A support roller (19, 20) for holding the lower rail (5) from above and below is pivotally mounted on the outer case (60), and a lower hanger (15) is mounted on the outer case (60). Means that the support rollers (19, 20) provided on the outer case (60) have two upper rollers and two lower rollers in front view.
The support rollers (19) of the lower hanger (15) have a drum-shaped side surface.

The upper hanger (16) comprises an outer case (70) having a U-shaped cross section and an elevating body (4) by a base shaft (18).
The inner case (72) having a C-shaped cross section is rotatably attached to the outer case (70) by means of a vertical support shaft (73). (72) A support roller (21, 22) for holding the upper rail (6) from above and below is pivotally mounted on the upper hanger (16).
The outer cases (70) are rotatably mounted on the connecting plate (71), and one of the outer cases (70) is mounted on the elevating body (4) by the base shaft (18). An inner case (72) having support rollers (21, 22) is attached to (70), and the support rollers (21, 22) of the upper hanger (16) have a drum-shaped side shape. It is characterized by:

The base shaft (17) of the lower hanger (15) and the base shaft (18) of the upper hanger (16) are
Are provided on a vertical line.

A reciprocating drive (10, 11) for reciprocating the cable (9) comprises a drive box (10) and the drive box (10).
A sprocket (11) that is connected to a drive shaft of a motor and is driven to rotate, and a first connection pipe (7) is connected to a drive box (1).
0), and the splines (11) are engaged with the cords (9) in the first connecting pipe (7). The sprocket (11) is formed in the first connecting pipe (7). The slit (85) is inserted into the pipe and engaged with the cable (9). Also, the sprocket (11) is a rotary disc (81).
Two tooth plates (83) are provided in parallel with the tooth plate (8).
3) is inserted into two slits (85) formed in the first connection pipe (7) to engage with the cable (9) in the pipe.

When ascending the stairs using the present apparatus, the lifting body (4) is called into the second connecting pipe (8) of the guide rail (2), and the user gets on at this position. The elevating body (4) rotates the safety fence (14) vertically, gets on the floor (13), and then returns the safety fence (14) to the horizontal position. After getting on the lifting body (4), the reciprocating drive (1) is operated by the operation handle (24).
0, 11) to move the lifting body (4) up the floor along the guide rail (2).

The cable (9) accommodated in the guide rail (2) is sprocket (1) rotated by a motor.
Driven by 1). In the lifting body (4), the lower hanger (15) and the upper hanger (16) move along the lower rail (5) and the upper rail (6). The cable (9) has a connecting arm (23) connected to the lower hanger (15) to move the lifting body (4).

In the lower hanger (15) and the upper hanger (16), since the support rollers (19, 20, 21, 22) sandwich the guide rail (2) from above and below, the lifting / lowering body (4) is stably formed. Moving. In addition, lower hanger (15)
And the upper hanger (16) is pivotally mounted on the intermediate portion of the support roller on the left side as viewed from the front with a base shaft (17, 18). When the lift (4) reaches the bent portion of the rail, the lift (4) can pass through the bent portion without tilting.

In the cable (9), the ball joint (30) and the leg joint (31) are alternately arranged, and the joint is formed in a curved surface, so that if the guide rail (2) is bent, And bends following the bend. Further, since the rope (9) is sent out by the rotation of the sprocket (11), the lifting body (4) is moved without applying excessive force to the joint member and the wire (32) inserted therein.

By providing a switch mechanism which operates in a non-contact manner on the lifting / lowering body (4), it can be stopped at the position when it reaches a fixed position.

Since the rope (9) for reciprocating the lifting body (4) is accommodated in the guide rail, the apparatus can be operated without being affected by rain or snow, and is therefore installed outdoors. Fit the stairs that were done.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The overall structure of the present invention will be described with reference to FIGS.

FIG. 1 shows the entire structure in which the present invention is installed.
Reference numeral 1 denotes a staircase installed outdoors, and 2 denotes a guide rail provided along the staircase 1 and having a cross-sectional shape in the form of a tube. In the guide rail 2, a section for moving the elevating body 4 is provided with a lower rail 5 and an upper rail 6 provided in parallel, and both ends of the lower and upper rails 5, 6 have a first connecting pipe 7 at the top of the stairs. Connected,
The second connecting pipe 8 is connected to the skirt portion of the stairs, and is entirely formed in an annular shape.

Considering that the apparatus is installed outdoors, the material for the guide rail 2 is optimal because stainless steel is less likely to rust.

A flexible cable 9 is accommodated in the tube of the guide rail 2 (see FIG. 4), and the cable 9 is engaged with a sprocket 11 of a drive box 10 provided at the top of the stairs. The sprocket 11 reciprocates in the tube by forward and reverse rotation of the sprocket 11. In addition, drive box 1
The sprocket 11 and the sprocket 11 constitute a reciprocating drive device for the rope 9, and the sprocket 11 is driven to rotate by a motor with a brake (not shown) provided in the drive box 10.

In the embodiment, the drive box 10 of the reciprocating drive device is installed at the top of the stairs. However, the drive box 10 can be installed at the bottom of the stairs to secure the space at the top of the stairs.

The elevating body 4 moves up and down along the lower rail 5 and the upper rail 6, has a machine frame 12,
A floor stand 13 is provided at the lower end of the machine frame 12, and a safety fence 1 is provided at the upper end.
4 are provided.

FIG. 2 is a plan view of the entire structure. The guide rail 2 is provided along the stairs at the end of the stairs 1. At the foot of the stairs, the second connection pipe 8 is bent downward in a U-shape in plan view, and The pipe 8 is the lifting body 4
Mooring part is formed.

The elevating body 4 moves along the lower and upper rails 5 and 6, and stops at a position deviated from the stairs 1 by a curve of the second connecting pipe 8 and turned 180 ° at the bottom of the stairs. Thereby, when using this apparatus, the lifting body 4
Is stopped at the mooring portion of the second connecting pipe 8, the elevator 4 does not block the stairs 1, and there is no step between the floor base 13 and the ground surface, so that the passenger can get on and off smoothly and safety. Is secured.

However, if there is not enough room at the bottom of the stairs to bend the second connecting pipe 8 into a U-shape in plan view, the second connecting pipe 8 is formed in the same shape as the first connecting pipe 7. Of course you can.

FIG. 3 shows an elevating body. A lower hanger 15 slidably joined to the lower rail 5 is provided near the lower end on the rear surface of the machine frame 12 which is a main part of the elevating body 4, and slidably joined to the upper rail 6 near the upper end. An upper hanger 16 is provided. The lower hanger 15 and the upper hanger 16 are rotatably attached to the machine frame 12 by front shafts 17 and 18 in a front view, and furthermore, support rollers 19 and 20 for holding the lower rail 5 and the upper rail 6 from above and below. , 21 and 22 are provided.

In addition, a slit (indicated by reference numeral 5a in FIG. 7) is provided in the lower rail 5 along the axial direction, and the connecting arm 23 connected to the cable 9 housed in the rail projects from the slit 5a. The lifting and lowering body 4 moves along the lower and upper rails 5 and 6 as the ropes 9 move.

Further, in FIG. 3, the floor 13 of the lift 4
Is rotatable about an attachment portion to the machine frame 12, and is vertically erected when not in use. The safety fence 14 is formed by forming a pipe-like material into a square shape. It is rotatable about a mounting portion to the machine frame 12, and in this case, when it is not used, it stands upright.

In the figure, reference numeral 24 denotes an operation handle provided on the machine frame 12, and reference numeral 25 denotes a cover for covering the operation handle 24.

Next, the details of the cable will be described with reference to FIGS.

FIG. 4 shows the entire structure of the cable. The cable 9 is formed by alternately arranging the ball joint 30 and the leg joint 31 and inserting a wire 32 into the ball joint 30 and the leg joint 31, and is flexible and entirely annular. It is formed in.

FIG. 5 shows the detailed structure of the cable. Ball joint 3
Numeral 0 designates a first spherical body 33 and a second spherical body 34 which are screw-connected to form an entire shape into a spherical body. A through hole 35 penetrating the spherical body is provided, and A plurality of bearing balls 36 are provided on the outer peripheral surface in a direction perpendicular to the direction.

The through-hole 35 has an inner spherical surface 35a concentric with the spherical surface of the spherical joint 30 at the center thereof, and a hole opening in the spherical surface has a taper whose opening is larger than the inner spherical surface. It is formed in a shape. The bearing balls 36 are arranged at equal intervals on an annular projection 37 projecting from the spherical surface of the spherical joint 30. In addition, bearing ball 3
Small balls 38 are provided at the corners of the holes that house the holes 6.

In addition, the second spherical body 34 has a tool corner 39 formed by cutting a skirt portion of a spherical part in parallel so as to mount a tool when the second spherical body 34 is joined to the first spherical body 33. Have been.

Each of the leg joints 31 has both ends formed on a flange portion 40. Each of the flange portions 40 has a sphere receiving portion 41 having the same curvature as the spherical portion of the sphere joint 30. Screw hole 4 opening in the concave portion of sphere receiving portion 41
2 are provided. 43 is a ball joint 30 and a leg joint 3
1 is formed as a threaded tube, and the outer shape of the head 44 is formed into a spherical body having the same curvature as the inner spherical portion 35a of the spherical joint 30.

The head 44 of the screw tube 43 is provided with a tool hole 45 for rotating the screw tube 43.

In the embodiment, the ball joint 30 and the leg joint 31 are formed of hard plastic. The screw tube 43 is preferably made of metal, preferably brass. In addition, the bearing balls 36 and the small balls 38 are made of stainless steel.

In order to assemble the ball joint 30 and the leg joint 31, one of the spherical portions of the first sphere 33 is fitted into the sphere receiving portion 41 of the leg joint 31, and the other is formed of the second sphere 34. Fit the spherical part. Next, the screw tube 43 is inserted into the through hole 35 of the spherical joint 30 so that the head 44 is joined to the inner spherical surface 35 a, and the screw portion is connected to the screw portion of the leg joint 31. When tightening the screw tube 43, the rotary tool is engaged with a tool hole 45 provided in the head portion 44 to rotate.

Thus, the ball joint 30 and the leg joint 31
Are coupled so that they can rotate freely with respect to each other. To connect the spherical joint 30 and the leg joint 31 in the axial direction, the spherical joint 3 connected to the wire 32 as described above is used.
The second ball 34 is screwed into the first ball 33 through the 0 and leg joints 31 to complete the ball joint 30 as a member. When the second spherical body 34 is screw-coupled, the tool is mounted on the tool corner 39 formed at the bottom of the spherical surface and rotated.

Referring to FIG. 6, a structure for connecting the cables in a ring shape will be described. The end portion of the wire 32 is fixed to the end fixing tube 50 by screwing or welding, or the like, and each end fixing tube 50 is provided with a flange portion 51 provided in the vicinity of the wire fixing portion and opposed to each other. The flange portions 51 are connected by a coil spring 52. On the opposite side of the flange portion 51 of the end fixing tube 50, a spherical receiver 53 having the same curvature as the spherical portion of the spherical joint 30 is provided, and the spherical receiver 53 is connected to the spherical portion of the spherical joint 30. To secure the flexibility of the cable.

The cable 9 is formed by joining the spherical joint 30 and the leg joint 31 to each other at the spherical portions, so that the spherical joints of the spherical joints 30 and the leg joints 31 can be smoothly rotated.
The leg joint 31 to be mounted between them is removed, and a coil spring 54 is mounted to the corresponding portion via the ball receiver 53.
In addition, the coil spring 54 is attached to the rope 9 formed in an annular shape.
Or about two places.
The joint between the leg joint 31 and the leg joint 31 is maintained in an appropriate clearance for maintaining a flexible state.

The cable 9 is provided with a connecting arm 23 for connecting to the elevating body 4. The connecting arm 23 is formed by fixing an L-shaped arm 56 in a front view to a tubular body 55. In addition, it is attached to the wire 32 via a hollow tube 57 inserted into the tube portion 55. The hollow tube 57 has a head 58 formed at both ends with the same curvature as the curvature of the sphere receiving portion 41 of the leg joint 31, and the head 58 is joined to the sphere receiving portion 41 of the leg joint 31. Things.

The connecting arm 23 has a hollow body 55 and an arm 56 made of steel.
7 is made of hard plastic.

Next, the lower hanger and the upper hanger provided on the elevating body will be described with reference to FIGS.

FIG. 7 shows the lower hanger. The lower hanger 15 is configured such that an outer case 60 having a C-shaped cross section is rotatably attached to the machine frame 12 of the elevating body 4 by the base shaft 17, and includes four support rollers 19,
20 are provided in parallel on the upper side and the lower side, respectively. The upper and lower support rollers 19 and 20 are rotatably attached to the outer case 60 by axles 61 and 62 at positions that sandwich the lower rail 5.

The base shaft 17 is provided at an intermediate portion between the support rollers 19 and 20 on the right side of the lower hanger when viewed from the front.

The support roller 19a on the left side when viewed from the front has a so-called drum-shaped cross-sectional shape with a small diameter at the center and a pair of support rollers 19a.
The arm portions 56 of the connecting arm 23 projecting from the slits 5a formed in the lower rail 5 are sandwiched between the arm members 0a and 20b, and the roller members 20a and 20b are attached to the axle 62 together with the arm portions 56. Since the slit 5a formed in the lower rail 5 is provided at the lower end in a sectional view of the rail, rain or snow is prevented from entering the rail from the slit 5a.

On the other hand, the support roller 19 on the right side as viewed from the front is a cylindrical roller, and the support roller 20 is an undivided cylindrical roller.

In addition, the support rollers 19a, 20a (20
An auxiliary roller 63 that is orthogonal to the axial direction of the roller and that comes into contact with the lower rail 5 is rotatably provided at a middle portion of FIG.

FIG. 8 shows the upper hanger. The upper hanger 16 includes two outer cases 7 having a U-shaped cross section.
0, 70 a and the connecting plate 71 are the base shaft 18 and the second base shaft 18.
and a base shaft 18 rotatably mounted on the base case 18 for connecting the outer case 70 and the connecting plate 71 on the right side in a front view.
Is fixed to the machine frame 12 of the elevating body 4, and the left outer case 70a is connected only to the connecting plate 71 by the second base shaft 18a.

An inner case 72, 72a having a C-shaped cross section is rotatably attached to the outer case 70, 70a by a vertical support shaft 73 at the upper end and the lower end. , 72a have the same function as a universal joint by two shafts, and are rotatable in the horizontal and vertical directions.

Support rollers 21 and 22 are attached to the inner cases 72 and 72a so as to be rotatable by an axle 74 in a vertical direction when viewed from the front.
2 is a so-called drum shape in side view, and a pair of rollers 2
The upper rail 6 is sandwiched between the upper rail 1 and the lower rail 22.

In the embodiment, of the support rollers of the lower hanger 15, the support rollers 19a and 19,
Reference numeral 20 denotes a hard plastic whose surface is coated with hard rubber.
20b and support rollers 21 and 22 of the upper hanger 16
Is molded from hard plastic. However, it goes without saying that all the supporting rollers can be covered with rubber.

Next, a reciprocating drive device for reciprocating the cable will be described with reference to FIGS.

Referring to FIG. 1, a driving box 10 is provided at the top of guide rail 2 as a driving device for a cable housed in the rail.
And a sprocket 11 are provided. A motor with a brake (not shown) is installed in the drive box 10, and the sprocket 11 is connected to a drive shaft of the motor with the brake. The drive box 10 accommodates a first connection pipe 7 connected to the guide rail 2.

9 and 10, the sprocket 11
Has a boss portion 80 coupled to the drive shaft of the motor with brake and a rotating disk 81 provided on the boss portion 80, and a tooth plate 83 having engaging teeth portions 82 on the peripheral edge of the rotating disk 81 from both front and back surfaces. And the tooth disc 83 is fixed by screws 84.

The sprocket 11 constructed as described above
Has a shape in which a tooth disc 83 having an engaging tooth portion 82 protrudes in parallel from the rotary disc 81 in a side view. Therefore, the first connecting pipe 7 is formed with two parallel slits 85 in a section overlapping with the sprocket 11, and the tooth disc 83 is inserted into the connecting pipe 7 from the slit 85.

Therefore, when the sprocket 11 is driven to rotate, the engaging teeth 82 are engaged with the leg joints 31 of the cable 9 to move the cable 9 in the first connecting pipe 7 (guide rail 2). The lifting body 4 is reciprocated along the lower and upper rails 5 and 6.

[0063]

According to the present invention, since the rope for reciprocating the elevating body is accommodated in the guide rail, it can be operated even during rainfall or snowfall, and is optimal for stairs installed outdoors.

[Brief description of the drawings]

FIG. 1 is a front view showing the entire structure of the present invention.

FIG. 2 is a plan view of FIG. 1;

3A and 3B show an elevating body, where A is a front view and B is a side view.

FIG. 4 is a front view showing the entire structure of the cable.

5 shows a detailed structure of the cable, A is a cross-sectional view, B is a left side view, and C is a right side view with a partial cut.

FIG. 6 is a longitudinal sectional front view showing a connected state of the cable ends.

FIG. 7 shows a lower hanger, where A is a front view and B is a side view.

FIG. 8 shows an upper hanger, where A is a front view and B is a side view.

FIG. 9 is a front view showing a reciprocating drive device for the cable.

10 shows details of a sprocket, where A is a front view and B
Is a sectional view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Stairway 2 Guide rail 3 Prop 4 Lifting body 5 Lower rail 5a Slit 6 Upper rail 7 First connection pipe 8 Second connection pipe 9 Cable 10 Drive box 11 Sprocket 12 Machine frame 13 Floor stand 14 Safety fence 15 Lower hanger Reference Signs List 16 upper hanger 17 base shaft 18 base shaft 19 support roller 20 support roller 21 support roller 22 support roller 23 connecting arm 24 operating handle 25 cover 30 spherical joint 31 leg joint 32 wire 33 first sphere 34 second sphere 35 through hole 35a Inner spherical surface portion 36 Bearing ball 37 Annular protrusion 38 Small ball 39 Tool corner 40 Flange portion 41 Sphere receiving portion 42 Screw hole 43 Screw tube 44 Head 45 Tool hole 50 End fixing tube 51 Flange portion 52 Coil spring 53 Ball part receiver 54 Coil spring 55 Tube part 56 Arm part 57 Empty tube 58 Head 60 Outer case 61 Axle 62 Axle 63 Auxiliary roller 64 Stop shaft 70 Outer case 71 Connecting plate 72 Inner case 73 Support shaft 74 Axle 80 Boss 81 Turntable 82 Engaging tooth part 83 Teeth disc 84 Screw 85 slit

Claims (26)

[Claims] 1. A tube-shaped guide rail (2) provided along a staircase and having an annular overall shape and provided in parallel with a lower rail (5) and an upper rail (6); 2) Flexible cable (9) housed inside
And an elevating body (4) movable along the lower rail (5) and the upper rail (6), and the elevating body (4) is slidably joined to the lower rail (5). An upper hanger (16) slidably joined to the hanger (15) and the upper rail (6) is provided, and a connecting arm (23) connected to the cable (9) is protruded from the lower rail (5) to lower. A stair climbing machine comprising a reciprocating drive (10, 11) connected to a hanger (15) and reciprocatingly driving a rope (9) at an end of the guide rail (2). 2. The lower and upper rails (5, 6) of the guide rail (2) are connected by a first connecting pipe (7) at the top or the bottom of the stairs. )
The stairlift according to claim 1, characterized in that a reciprocating drive (10, 11) of the cable (9) is incorporated in the stairs. 3. The guide rail (2) has a second connecting pipe (8) bent in a U-shape in a plan view and downward at a stepped skirt portion. The stair lift according to claim 1, characterized in that it is a mooring part of the lifting body (4). 4. The guide rail (2) is characterized in that a lower rail (5) is provided with a slit (5a) along an axis from which a connecting arm (23) connected to a cable (9) protrudes. The stair climber according to claim 1. 5. The lifting body (4) has a machine frame (12),
The stair climber according to claim 1, characterized in that a floor stand (13) is provided at a lower end of the machine frame (12) and a safety fence (14) is provided at an upper end. 6. The floor stand (13) and the safety fence (14) of the elevating body (4) are provided with a rotatable mounting portion to the machine frame (12). Stair climber. 7. The cord (9) has a spherical joint (30) and a leg joint (31) arranged alternately, and the spherical joint (30) is provided.
And a wire (32) inserted into and connected to the inside of the leg joint (31), wherein the spherical joint (30) has a spherical shape as a whole, and the leg joint (31) is the spherical joint. The joint with (30) forms a spherical receiving part (41) having the same curvature as the spherical part of the spherical joint (30), and the spherical part of the spherical joint (30) is joined to the spherical receiving part (41). The stair climber according to claim 1, characterized in that: 8. The ball joint (30) is provided with a plurality of bearing balls (36) on an outer peripheral surface of a through hole (35) through which a wire passes in a direction perpendicular to the axial direction. Stair climber as described in. 9. The ball bearing according to claim 8, wherein the bearing ball is provided with a small ball at a corner of a hole for accommodating the bearing ball. The stairlift described. 10. The ball joint (30) includes a first ball (3).
10. A stair climber according to claim 7, wherein the whole of the spherical body is formed by screwing the third spherical body and the second spherical body. 11. The spherical joint (30) has an inner spherical portion (35a) concentric with the spherical surface of the spherical joint (30) at the center of the through hole (35), and a hole opened to the outer spherical portion. The stair lift according to any one of claims 7 to 10, wherein the portion has an opening formed in a tapered shape having a diameter larger than that of the inner spherical portion (35a). 12. The leg joint (31) is characterized in that flange portions (40) are provided at both ends, and a sphere receiving portion (41) is formed in an opening of the flange portion (40). A stair climber according to claim 7. 13. The cord (9) joins the spherical portion of the ball joint (30) to the ball receiving portion (41) of the leg joint (31),
The spherical joint (30) and the leg joint (31) are connected to the screw tube (4).
3) and screwed together to form the head (4) of the screw tube (43).
The outer shape of the head (4) has the same curvature as the inner spherical portion (35a) formed in the through hole (35) of the ball joint (30).
The stair climber according to any one of claims 7 to 12, wherein (4) is joined to the inner spherical portion (35a). 14. The cable (9) has a wire (32) having a terminal end fixed to an end fixing tube (50), and a flange (51) provided on each end fixing tube (50) being a coil. 14. A stair climber according to any one of claims 7 to 13, characterized in that it is joined by a spring (52) to form an overall ring. 15. The cord (9) is provided with a ball receiver (53) between the ball joints (30) and opposing the ball receiver (5).
The stair lift according to any one of claims 7 to 14, wherein a coil spring (54) is mounted on (3). 16. The connecting arm (23) has a tubular body (5).
5) and the arm portion (56), the wire (32) is inserted through the tube portion (55), and the arm portion (5) is formed.
The stair lift according to claim 1, characterized in that 6) protrudes from a slit (5a) of the lower rail (5). 17. A lower hanger (15) comprising an outer case (60) having a C-shaped cross section rotatably attached to a lifting body (4) by a base shaft (17). 2. A stair climbing machine according to claim 1, wherein support rollers (19, 20) for holding the lower rail (5) from above and below are pivotally mounted on the lower rail (5). 18. The lower hanger (15) has four support rollers (19, 20) provided on the outer case (60) as viewed from the front, two upper rollers and two lower rollers. 18. The stair climber according to 17. 19. The stair climbing machine according to claim 17, wherein a side shape of the supporting roller (19) of the supporting rollers of the lower hanger (15) is a drum shape. 20. An upper hanger (16) comprising an outer case (70) having a U-shaped cross section, which is rotatably attached to a lifting body (4) by a base shaft (18). ), An inner case (72) having a C-shaped cross section is rotatably attached to the upper and lower ends of the inner case (72) by a vertical support shaft (73), and a support roller ( The stair climber according to claim 1, wherein the stairs (21, 22) are pivotally mounted. 21. An upper hanger (16) in which two outer cases (70) are pivotally mounted by a connecting plate (71), and one of the outer cases (70) is a base shaft (1).
21. The stair climber according to claim 20, wherein an inner case (72) having a support roller (21, 22) is attached to each outer case (70) by being attached to the elevating body (4) by 8). . 22. The stair climbing machine according to claim 20, wherein the support rollers (21, 22) of the upper hanger (16) have a drum-shaped side surface. 23. Base shaft (17) of lower hanger (15)
The stairlift according to any one of claims 17 to 22, wherein the base shaft (18) of the upper hanger (16) is provided on a vertical line with respect to the lifting body (4). 24. A reciprocating drive (10, 11) for reciprocating the cable (9) comprises a drive box (10) and the drive box (1).
0) has a sprocket (11) connected to the drive shaft of the motor and driven to rotate, draws the first connection pipe (7) into the drive box (10), and connects the first connection pipe (7) into the first connection pipe (7). The stairlift according to claim 1, characterized in that the rope (9) and the sprocket (11) are engaged. 25. The sprocket (11) is inserted into a first connecting pipe (7) through a slit (85) formed in the first connecting pipe (7) and engaged with a cable (9).
Stair climber as described in. 26. A sprocket (11) comprising: a rotating disk (8);
Two tooth discs (83) parallel to 1) are provided, and the tooth discs (83) are inserted into two slits (85) formed in the first connection pipe (7), and the inside of the pipe is inserted. 26. The stair climber according to claim 24 or claim 25, wherein the stair climber is engaged with a cable (9).