JP2002362855A - Stairway lift - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stairway lift to be hardly an obstacle even in a narrow stairway of an apartment house, etc. SOLUTION: Rail members 3a and 3b are disposed along a ceiling 2a of the stairway, and a base part 5 is movably supported by the rail members 3a and 3b. A seat part 7 is suspended from the base part 5 by a flexible member 6, and the base part 5 is driven along the rail members 3a and 3b. When the stairway lift is not used, the flexible member 6 is wound up to place the seat part 7 at an ascending position adjacent to the rail members 3a and 3b. When the stairway lift is used, the seat part 7 is lowered down to a descending position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stair climbing machine for climbing up and down stairs with a person or the like, and more particularly to a stair climbing machine suitable for use in narrow stairs such as an apartment house.

[0002]

2. Description of the Related Art In recent years, in general condominiums such as condominiums, a corridor is provided on each floor, and each residential area and an elevator are connected by the corridor, so that residents can go up and down using the elevator. Has become.

[0003] However, some apartment buildings of a slightly older type (for example, apartment houses constructed by the Housing and Urban Development Corporation) that are lower than five stories do not have corridors or elevators, and have stairs. In some cases, two living quarters are arranged on each floor so as to sandwich the same. In this apartment house, the ascent and descent between the lower floor and the upper floor are performed exclusively by stairs.

[0004]

The average age of the occupants in such multi-family dwellings has increased, and it is desired that elevators, escalators, and other stair climbers be installed. Since there is no corridor, ordinary elevators and escalators cannot be attached.

[0005] As an inexpensive stair climber, a guide rail mounted on the stairs side and a carrier movably supported by the rail are used in public facilities such as stations. In the case of such a stair climbing machine, there is a problem that the transport body and the guide rail are left on the stairs, and the transport body and the guide rail obstruct ordinary traffic.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an inexpensive stair climbing machine which can reduce the hindrance of a stair pedestrian.

[0007]

The invention according to claim 1 is
Guide means (3a,
3b), a carrier (4) movably supported by the guide means (3a, 3b), and a driving means (9) for moving the carrier (4) along the guide means (3a, 3b). )
And the guide means (3a, 3b) is arranged along the ceiling of the stairs (2), and the carrier (4) is provided with the guide means (3a,
A base (5) movably supported by 3b) and moved by said drive means (9);
A seat (7) suspended below a flexible member (6) via a flexible member (6), and a winding for adjusting the height of the seat (7) by winding the flexible member (6). Picking device (8)
And in a state where no one rides on the seat (7), the seat (7) is brought close to the base (5) based on driving the winding device (8). A stair climber, wherein the seat (7) is in a lowered position away from the base (5) when a person rides on the seat (7).

The invention according to claim 2 is the two first and second rail members, wherein the guide means (3a, 3b) are arranged at a predetermined distance so as to be parallel to each other, The base (5) is provided on the two first and second rail members (3a, 3b) with rollers (500, 501,
502) through the first portion (5)
0) and bearings (503, 504) on the first portion (50).
Second part (51) rotatably mounted via
And a rotation position defining means (52) for defining a rotation position of the second portion (51), and the winding device (8) and the flexible member (6) are provided with the second member (51). Part (5
The stair lift according to claim 1, wherein the stair lift is attached to (1).

According to a third aspect of the present invention, there is provided the third rail member (52) wherein the rotational position defining means (52) is arranged along a predetermined path along the guide means (3a, 3b).
0) and an arm member (521) fixed to the second portion (51) so as to rotate integrally with the second portion (51) and guided by the third rail member (520). The second portion (5) depending on the rotational position of the arm member (521) guided by the third rail member (520).
3. The method according to claim 2, wherein the rotation position is defined by:
In the stair lift.

According to a fourth aspect of the present invention, the flexible member (6) is attached to a front end and a rear end of the seat (7) in the traveling direction, respectively, and the winding device (8). Attached to each of these flexible members (6), and separately controls the height of the front end and the rear end of the seat (7) in the traveling direction. 3. The stair climber according to any one of 3.

The invention according to claim 5 is characterized in that at least four flexible members (6) are attached to the four corners of the seat (7). 4. The stair climber according to any one of 4.

According to a sixth aspect of the present invention, the seat (7) is provided.
The stair climber according to any one of claims 1 to 5, wherein a downstream side (A) of the moving direction is open and the passenger can get on and off the downstream side (A). .

According to a seventh aspect of the present invention, the seat (7) is provided.
The vehicle according to any one of claims 1 to 5, wherein a side (B) orthogonal to the downstream side (A) in the moving direction is open, and it is possible to get on and off from the side (B). It is in the stair climber described.

According to an eighth aspect of the present invention, there is provided a rack gear (90) in which the driving means (9) is disposed along the guide means (3a, 3b).
0) and a motor (92) for driving the pinion gear (91) to rotate, and the motor (92) is connected to the carrier (4). The stair lift according to any one of claims 1 to 7, characterized in that:

According to a ninth aspect of the present invention, the first portion (5
0) is supported on said first rail member (3a) by at least two rollers (501, 502),
Part (50) is supported by said second rail member (3b) by at least one roller (500); and
The rack gear (90) is connected to the first rail member (3).
9. The stairlift according to claim 8, wherein the stairlift is arranged along a).

According to a tenth aspect of the present invention, the stairs (2)
The stair climber according to any one of claims 1 to 9, wherein the stairs are arranged in a ninety-nine-fold form, and each floor has a residential area arranged on both sides thereof. is there.

[Operation] Based on the above structure, when the stair lift (1) is not used and no person is on the seat (7), the winding device (8) is driven.
The seat (7) is in a raised position close to the base (5). As a result, the carrier (4) including the seat (7) and the base (5) becomes compact, and a space through which a person can pass is formed below the carrier (4). Therefore, the transporter (4) can be moved along the guide means (3a, 3b) without the stair climber (1) obstructing a person climbing up and down the stairs.

On the other hand, when the stair climber (1) is used and a person rides on the seat (7), the seat (7) is set to the lowered position. This allows a person to sit on the seat (7). Then, when the driving means (9) is activated in that state, the transport body (4) moves up and down the stairs with a person on it.

The reference numerals in parentheses refer to the drawings, but do not limit the configuration.

[0020]

According to the first aspect of the present invention, when the stair lift is not used, the transport body can be made thin and compact by disposing the seat at a position close to the base. As a result, a space through which a person can pass appears below the carrier, and the stair climber does not hinder the passage. Further, the seat can be lowered and the stair climber can be used only by a simple operation of driving the winding device, and the operation is not troublesome.

According to the second aspect of the present invention, the rotational position of a part of the base (that is, the second part where the seat is suspended) is defined by the rotational position defining means. . Accordingly, by setting the rotational position of the second portion to a predetermined position by the rotational position defining means, the seat is moved along the guide means while keeping the horizontal posture.

According to the third aspect of the present invention, since the above-mentioned rotation position defining means has a simple structure with the third rail member and the arm member, the cost of the stair lift can be reduced, and the maintenance and inspection can be performed. It will be easier.

According to the fourth aspect of the present invention, the height of the front end and the rear end of the seat in the traveling direction can be controlled separately, so that when the seat is stored at the raised position, Can be set along the ceiling of the stairs, and the seat can be more reliably prevented from obstructing traffic.

According to the fifth aspect of the invention, since the four flexible members are attached to the four corners of the seat, the holding of the seat by these flexible members can be made more reliable.

According to the eighth aspect of the present invention, since the driving means (motor) and the carrier are separately provided and connected to each other, even if the guide means is curved and arranged with a small radius, smooth operation is possible. Can be realized.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A stair climber 1 according to the present invention is provided with guide means 3a and 3b arranged along a ceiling 2a of a stair 2 as shown in FIG. A carrier 4 is movably supported by the means 3a and 3b.

As shown in detail in FIG. 2 (a), the carrier 4 has a base 5 movably supported by the guide means 3a, 3b, and a flexible member 6 below the base 5. And a winding device 8 that adjusts the height of the seat 7 by winding the flexible member 6. The base 5 is configured to be moved by the driving means 9 along the guide means 3a, 3b.

By the way, the guide means 3 used in the present invention
a and 3b may have any structure as long as they can support the carrier 4 (accurately, the base 5) movably.
The structure is determined in relation to the structure of the base 5. For example, if the contact portion on the base 5 side has a low friction such as a roller, a rail member may be used for the guide means 3a and 3b, and the contact portion on the base 5 side must be a low friction. For example, a roller conveyor or the like may be used for the guide means 3a, 3b. Further, the guide means 3a, 3
Only one b may be provided, two may be provided with a predetermined gap therebetween, or three or more may be provided. It is sufficient that the guide means 3a and 3b are arranged along the ceiling 2a of the stairs. The guide means 3a and 3b may be attached to the ceiling 2a or to the side wall of the stairs.

On the other hand, the base 5 may have various structures, and the structure is determined in relation to the structures of the guide means 3a and 3b. For example, as shown in FIG. 1 (c), the guide means 3a and 3b are composed of two first and second rail members arranged at a predetermined distance from each other so as to be parallel to each other. In such a case, the base portion 5 is provided as shown in FIG.
As shown in detail in FIG. 1, a first portion 50 movably supported by these rail members 3a, 3b and a second portion 51 rotatably supported by the first portion 50 may be used. In this case, the first portion 50 is provided with rotatable rollers 500, 501 and 502, and the support of the portion 50 on the rail members 3a and 3b is performed by these rollers 50.
0, 501, 502. The connection between the first portion 50 and the second portion 51 is performed by bearings 503 and 504.
Good to do through. Further, a rotation position defining means 52 for defining a rotation position of the second portion 51 is provided on the base 5.
The winding device 8 and the flexible member 6 described above are preferably attached to the second portion 51.

As shown in FIG. 3 (a), the rotation position defining means 52 includes a third rail member 520 arranged along a predetermined path along the guide means 3a, 3b.
And an arm member 521 fixedly mounted on the second portion 51 so as to rotate integrally with the second portion 51 and guided by the third rail member 520. It is preferable to use a structure in which the rotational position of the second portion 51 is defined by the rotational position of the arm member 521 to be guided. In addition, such a rail member 520
Instead of the arm member 521, a rotation position defining unit may be configured by a sensor that senses the rotation position of the second portion 51 and an actuator that drives the second portion 51 according to a signal from the sensor. .

By the way, as the above-mentioned flexible member 6, a belt, a wire rope or a chain can be used. The flexible members 6 are preferably attached to at least two places of the seat 7 at the front end and the rear end in the traveling direction. In this case, the winding device 8 is attached to both the flexible member 6 attached to the front end of the seat and the flexible member 6 attached to the rear end of the seat, respectively. It is better to adjust the winding amount separately.
As a result, the height of the front end and the rear end of the seat 7 in the traveling direction can be separately controlled. Further, the number of the flexible members 6 is at least four, and each of the
May be attached to the four corners.

On the other hand, as shown in detail in FIG. 3 (a), the winding device 8 has a pulley 8 around which the flexible member 6 is wound.
0 and a motor 81 that can rotate the pulley 80 in both forward and reverse directions. These motors 81
By winding the flexible member 6 using the pulley 80, the height of the seat 7 can be changed. The motor 81
Instead, a spring may be used.

On the other hand, as shown in FIG. 1 (a), the seat 7 has an opening on the downstream side A in the moving direction so that the passenger can get on and off from the downstream side A. As shown in the figure, a side B orthogonal to the downstream side A in the moving direction is opened so that the passenger can get on and off the side B. The seat 7 may have any shape as long as a person or an object is placed thereon, and may be a simple plate or a chair.

The driving means 9 may be of various structures, one example of which is shown in FIG.
As shown in (a) to (c), the guide means 3a, 3b
, A pinion gear 91 meshed with the rack gear 90, a motor 92 for driving the pinion gear 91 to rotate, and
A motor having a structure in which the motor 92 and the carrier 4 are connected to each other can be used. The first portion 50 described above
Is supported by at least two rollers 501 and 502, and the first portion 50 is supported by at least one roller 500, so that the rack gear 90 is connected to the first rail member 3a. It is good to arrange along the member 3a. With such a configuration, the carrier 4 rotates by the traction of the motor 92 even though the connecting portion between the motor 92 and the carrier 4 is slightly away from the center of gravity of the carrier 4. Can be reduced.

By the way, a call button (not shown) for calling the carrier 4 is provided on the side wall of the stairs 2, and a control device for designating a use floor is arranged on the carrier 4. I have. The above-mentioned stair climber 1
In the case where is installed in an apartment house, the call button and the control device may be operated only by a key (entrance key) of each residential area.

Incidentally, it is essential that the above-described seat 7 be moved horizontally while a person is seated. For this purpose, it is preferable to move the base 5 at a fixed angle by the above-described rotation position defining means 52, and to keep the length of the flexible member 6 unchanged during that time. Also,
The above-described winding device 8 may be controlled while the carrier 4 is being driven, so that the horizontal attitude of the seat 7 may be secured.

The stair climber 1 as described above can be installed on any stairs. Particularly preferred stairs are stairs arranged in a ninety-nine fold, and each floor is provided with (on both sides of the stairs) ) There can be cited ones where residential areas are arranged.

Next, a method of driving the stair climber according to the present embodiment will be described.

When the above-described stair climber is not used, that is, in a state in which no person is on the seat 7, the seat 7 is raised close to the base 5 by driving the winding device 8. Position. As a result, the carrier 4 including the seat 7 and the base 5 becomes compact,
A space through which a person can pass is formed underneath. In this case, it is preferable that the seat portion 7 be along the ceiling 2a. In addition, the carrier 4 may be made to stand by at any position of the stairs 2, but the carrier 4 is made to stand by in the middle of the stairs (for example, near the second or third floor in a five-story building). In other words, the time required for the called carrier 4 to arrive is reduced.

On the other hand, when the stair climber 1 is used,
The driving means 9 is activated to move the carrier 4 to a predetermined position along the guide means 3a, 3b. Then, the take-up device 8 is driven to lower the seat 7 to a lowered position away from the base 5. Thereby, a person can sit on the seat 7.

When a person sits on the seat 7, the driving means 9 is activated again, and the carrier 4 is moved along the guide means 3a, 3b with the person on.

By the way, the height of the transporting body 4 is set low so that the person can easily sit when sitting, and after the person is seated,
It is good to raise it slightly so that the seated person's feet do not touch the stairs.

Hereinafter, an example of the detailed structure of the stair climber according to the present invention will be described in detail with reference to FIGS.

As shown in FIGS. 1 (a) to 1 (c), the stair climber 1 is a ninety-nine-folded staircase and has living quarters C on both sides.
Is installed on the stairs where are placed.

As shown in detail in FIG. 3 (b), this stair climbing machine 1 has a main body frame F having a substantially L-shaped cross section, and the main body frame F is provided with guide means. The two rail members 3a and 3b are attached at a predetermined distance from each other so as to be parallel to each other. A third rail member 520 is disposed at an end of the main frame F so as to be parallel to the two rail members 3a and 3b, and a rack gear 90 is provided at a position facing the rail member 3a. Are arranged (details will be described later). The main frame F is attached to the ceiling 2a of the stairs 2.

A base 5 comprising a first portion 50 and a second portion 51 is movably supported by the two rail members 3a and 3b as guide means (see FIG. 3 (a)). . Among them, the rollers 5 are provided at both ends of the first portion 50.
00, 501 and 502 are rotatably supported, and their rollers 500, 501 and 502
The two rail members 3a and 3b are supported so as to roll freely, whereby the base 5 is movably supported along the rail members 3a and 3b. The first portion 50 supports three rollers, and the first portion 50 is configured not to rotate with respect to the rail members 3a and 3b.

The second part 51 is rotatably mounted inside the first part 50 via bearings 503 and 504, and one end 521 of the first part 50 extends through the first part 50. The portion 50 extends in a direction orthogonal to the portion 50 (hereinafter, this one end is referred to as an “arm member 521”). A roller 522 is rotatably supported at the tip of the arm member 521.
Numeral 2 is configured to roll the third rail member 520.

Further, from the second portion 51, two base frames 510, 511 are connected to the respective rail members 3a, 3b.
The frames 510, 51
Rotation shafts 82, 82 are rotatably supported at the front and rear ends of 1. Further, winding motors 81, 81 are arranged between the respective rotation shafts 82, 82 and the first portion 50, respectively. Further, pulleys 80, 80 are fixed to the ends of the rotating shafts 82, 82, and a gear 83 is fixed in the middle, and the gear 83 is a gear 81a on the output shaft side of the winding motor 81. And the take-up motor 81
Is transmitted to the pulley 80 via these gears 81a, 83 and the like.

On the other hand, wires 6 as flexible members are wound around the respective pulleys 80, and the ends of the wires 6 are attached to the four corners of the flat seat 7.

The rack gear 90 described above has
As shown in (a), the pinion gear 91 attached to the output shaft of the moving motor 92 is engaged with the moving motor 92. The moving motor 92 has four rollers that roll while holding both side surfaces of the rail member 3a. 94 and similarly the rack gear 9
Four rollers 9 that roll while sandwiching both sides of 0
3 supported. Further, the moving motor 9
Reference numeral 2 is connected to the base 5 via a connecting rod 95, and a drive device (drive means) 9 for moving the base 5 is configured by the moving motor 92, the rack gear 90, the pinion gear 91, and the like. .

A call button (not shown) for calling the carrier 4 is provided on the side wall of the stairs 2, and a control device for designating a use floor is disposed on the carrier 4. These are only activated by the entrance key.

Next, the operation of the stair climber will be described.

When the stair climbing machine 1 is not used, that is, in a state where no person gets on the seat 7, the winding motors 81, 81 are driven to set the seat 7 to the raised position. Thus, a space through which a person can pass is formed below the seat 7.

When a call button on any floor is pressed using the entrance key, a signal is sent to move the moving motor 92 forward or backward, and the transport body 4 is moved to the rail members 3a, 3a.
It moves along 3b. When the transport body 4 stops, the winding motors 81, 81 are started, and the seat 7 is lowered to the lower position. In this state, when the user of the stair climber 1 sits on the seat 7 and inserts an entrance key into the control box to indicate a use floor, the winding motor 81,
When 81 is activated, the seat 7 is raised slightly, and then the moving motor 92 is activated to move the carrier 4 to the use floor. When the person who gets off the carrier 4 gets out of the entrance key from the control box, the winding motors 81 are activated and the seat 7 is stored in the raised position.

Next, effects of the present embodiment will be described.

According to the present embodiment, when the stair climber 1 is not used, the transport body 4 can be made thin and compact.
Avoids obstruction of traffic. In addition, the stairs elevator 1 can be used by lowering the seat 7 only by a simple operation of driving the winding device 8, and the operation is not troublesome.

Further, when the rotational position of the second portion 51 is set to an appropriate position by the rotational position defining means 52, the seat 7 is moved in a horizontal posture.

Further, the rotational position defining means 52 is
In the case of the configuration using the rail member 520 and the arm member 521, the configuration is simplified, the price of the stair climber can be reduced, and the maintenance and inspection become easy.

When the height of the front end and the rear end of the seat 7 in the traveling direction can be controlled separately, the inclination angle of the seat 7 housed in the ascending position is determined by the staircase ceiling. And the seat 7 can be more reliably prevented from obstructing traffic.

Further, since the four flexible members 6 are attached to the four corners of the seat 7, the holding of the seat 7 by these flexible members 6 can be further ensured.

Further, since the motor 92 and the carrier 4 are separately provided and connected to each other, the guide means 3a,
Even if 3b is curved with a small radius, smooth operation can be realized.

[Brief description of the drawings]

FIG. 1 is a diagram showing the overall structure of a stair climber according to the present invention.

FIG. 2 is a diagram showing a detailed structure of a stair climber according to the present invention.

FIG. 3 is a diagram showing a detailed structure of a base and the like in the stair climber.

FIG. 4 is a diagram showing another example of a stair climber.

[Description of Signs] 1 stair lift 2 stairs 3 guide means (rail member) 4 carrier 5 base 6 flexible member 7 seat 8 winding device 9 drive means (drive device) 50 first part 51 second part 52 Rotational position defining means 91 Pinion gear 92 Motor 500, 501, 502 Roller 520 Third rail member 521 Arm member

Claims (10)

[Claims] 1. A vehicle comprising: a guide arranged along a stair; a carrier movably supported by the guide; and a driving unit for moving the carrier along the guide. In the stair climber, the guide means is arranged along the ceiling of the stairs, and the carrier is movably supported by the guide means and moved by the driving means, and a base below the base. A seat that is suspended via a flexible member, and a winding device that adjusts the height of the seat by winding the flexible member; and In a state where the vehicle does not ride, the seat portion is set to an ascending position close to the base portion based on driving the winding device. In a state where a person rides on the seat portion, the seat portion descends away from the base portion. Position, That stair-climbing machine. 2. The guide means comprises two first and second rail members which are arranged at a predetermined distance from each other so as to be parallel to each other, and wherein the base has the first and second rail members. A first portion movably supported by a second rail member via a roller;
A second portion rotatably attached to the portion via a bearing, and a rotational position defining means for defining a rotational position of the second portion; and the winding device and the flexible member The stairlift according to claim 1, wherein the stairlift is attached to the second portion. 3. The rotation position defining means is fixed to a third rail member arranged along a predetermined path along the guide means, and is fixed to the portion so as to rotate integrally with the second portion. And an arm member guided by the third rail member, wherein the rotation position of the second portion is defined by the rotation position of the arm member guided by the third rail member. The stair climber according to claim 2. 4. The flexible member is attached to a front end and a rear end of the seat in the traveling direction, and the winding device is attached to each of the flexible members. The stair lift according to any one of claims 1 to 3, wherein the height of the front end and the rear end of the seat in the traveling direction is separately controlled. 5. The stair climber according to claim 1, wherein the number of the flexible members is at least four, and the flexible members are attached to four corners of the seat. 6. The stair climber according to claim 1, wherein the seat has an opening on a downstream side in a moving direction, and is capable of getting on and off from the downstream side. 7. The seat according to claim 1, wherein the seat has an opening on a side orthogonal to a downstream side in a moving direction, and the seat can be got on and off from the side. Stair climber. 8. The drive means includes: a rack gear arranged along the guide means; a pinion gear meshed with the rack gear; and a motor for driving the pinion gear to rotate. The stairlift according to any one of claims 1 to 7, wherein the stairlift is connected to the carrier. 9. The first portion is supported on the first rail member by at least two rollers, the first portion is supported on the second rail member by at least one roller, and the rack gear is The stairlift according to claim 8, wherein the stairlift is arranged along the first rail member. 10. The staircase according to claim 1, wherein the staircase is a staircase arranged in a ninety-nine fold, and each floor has living quarters arranged on both sides thereof. The stair climber according to the paragraph.