JP2864933B2 - Escalator device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an escalator device capable of always transporting a healthy person and transporting a wheelchair disabled person when necessary.

[0002]

2. Description of the Related Art As an escalator device capable of transporting a healthy person at all times and a disabled person using a wheelchair when necessary,
2. Description of the Related Art An escalator device disclosed in Japanese Patent Publication No. 2-1278 is known. In this escalator device, a wheelchair driving operation is performed when a physically handicapped person using a wheelchair is transported, and the wheelchair is mounted by two special steps adjacent to each other of normal-sized steps which normally form stairs and ascend and descend. One plane is formed.

[0003] The conventional escalator device is configured as described above, and a wheelchair is mounted on one plane by two special steps adjacent to each other, and the wheelchair is transported by wheelchair driving.

[0004]

In recent years, as a wheelchair for the physically handicapped, the length of the vehicle is longer than that of a conventional wheelchair.
With the spread of large wheelchairs such as electric tricycles of about 0 cm, the outdoor activities of the physically handicapped are becoming active. On the other hand, in the conventional escalator device as described above, one plane on which the wheelchair is mounted is formed by two special steps adjacent to each other, and another special step adjacent to the upper end portion of the escalator device is provided. Thus, a slope is formed in which the lower end of the escalator device descends. However, since the depth of one step is usually about 40 cm, there is a problem that a large wheelchair having a vehicle length of about 120 cm cannot be mounted.

The present invention has been made to solve such a problem, and has as its object to provide an escalator device in which a large wheelchair can be mounted when necessary.

[0006]

In the escalator device according to the first aspect of the present invention, the escalator device is disposed obliquely, the outward path on the upper surface side and the reversing portion on the lower end portion,
A main frame that constitutes a circulation path with a return path formed on the bottom side, and a large number are continuously arranged in the circulation path and circulated and operated horizontally at the end of the outward path and maintain a horizontal posture at the middle part of the outward path. A first type step that moves in an inclined manner, and is provided between the first type steps, circulates with the first type step, is mounted via a forward / reverse mechanism, and is normally disposed at a retreat position and is urged. A second type step provided with a fork projecting toward the lower end side of the main frame, and a second type step adjacent to the second type step and arranged at the lower end side of the main frame to move together with the first type step and move up and down A third step provided with a movable step supported so as to be mounted and always held at a lowered position and supported by a protruding fork;
The seed step, which is mounted on the main frame via an elevating mechanism, is disposed at the end of the outward path, is always disposed at the retreat position, is displaced by the operation of the elevating mechanism by the wheelchair driving operation, and stops at the end of the outward path. A driving device that engages with the input body of the two-steps and operates by the wheelchair driving operation to urge the forward-reverse mechanism to protrude the fork, and a lower end of the main frame of the movable step of the third-step An engaging member which is provided and is normally held at the retreat position and which operates through the fork of the second step to project at least the upper end thereof toward the lower end of the main frame; An ascending step is provided at the lower end side of the frame, moves together with the first step, is mounted to be vertically movable, and is normally held at the lowered position and is engaged with the protruding engaging body of the third step. a fourth type footstep that is, the rising the steps provided in the fourth kind footstep A guide mechanism disposed in a horizontal posture by guiding the temperature displacement is provided.

In the escalator device according to the second aspect of the present invention, the escalator device is disposed so as to be inclined, the forward path is formed on the upper surface side, the inverted portion is formed on the upper and lower ends, and the return path is formed on the bottom surface side. A main frame that constitutes a circulation path, and a first type step that is arranged continuously in the circulation path and circulates and moves horizontally at the end of the forward path and inclines while maintaining the horizontal posture at the middle of the forward path. Provided between the first steps, circulates with the first steps, is mounted via a forward / reverse mechanism, and is normally located at the retreat position, and is urged to the lower end side of the main frame when biased. A second type step provided with a protruding fork; a second type step which is arranged adjacent to the second type step on the lower end side of the main frame, moves together with the first type step, is mounted to be vertically movable, and is always in a lowered position; Supported by a protruding fork A third kind footstep the dynamic footstep is provided,
A second frame mounted on the main frame via a lifting mechanism and arranged at the end of the forward path, normally disposed at the retreat position, displaced by the operation of the lifting mechanism by the wheelchair driving operation, and stopped at the end of the forward path.
A driving device that engages with the input body of the seed step and operates by the wheelchair driving operation to urge the forward and backward movement mechanism to project the fork, and is provided at the lower end of the main frame of the movable step of the third step. And an engaging body which is normally held at the retreat position and operated through the fork of the second step to project at least the upper end to the lower end of the main frame, and the main frame adjacent to the third step and A rising step which is disposed at the lower end side of the step and moves with the first step and is mounted so as to be vertically movable and is normally held at the lowered position and engaged with the protruding engaging body of the third step. A fourth- type step, a guide mechanism provided on the fourth- type step and guiding the ascending displacement of the ascending step and arranging the same in a horizontal position; riser risers and increase the step of the fourth type footstep when the step is increased And the intermediate riser is provided which is disposed over between.

[0008]

According to the first aspect of the present invention constructed as described above, a wheelchair driving operation is performed when a physically handicapped person using a wheelchair is transported. The three special steps, the second step, the third step, and the fourth step, which are adjacent to each other, have a single plane on which the wheelchair is mounted.

According to the second aspect of the present invention, a wheelchair driving operation is performed when a physically handicapped person using a wheelchair is transported, and the stairs are formed at all times to form the stairs. Three special steps, ie, a second step, a third step, and a fourth step, which are adjacent to each other and have a normal size, form one plane on which a wheelchair is mounted. Further, when one plane on which the wheelchair is mounted is formed by the three special steps, the intermediate riser is closed between the riser of the fourth type step and the riser of the raised step.

[0010]

[Embodiment 1] FIGS. 1 to 23 show an embodiment of the present invention.
FIG. 2 is an enlarged view of a portion A of FIG. 1, FIG. 3 is a plan view of FIG. 2, FIG. 4 is a cross-sectional view taken along line BB of FIG. 2, and FIG.
6 is a cross-sectional view taken along the line CC, FIG. 6 is a cross-sectional view taken along the line DD in FIG.
FIG. 8 is a view for explaining a situation in which the driving mechanism and the like are operated by performing a wheelchair driving operation in the state shown in FIG. 2, and FIG.
9 is a sectional view taken along line CC of FIG. 7, and FIG. 10 is a sectional view of FIG.
11 is a cross-sectional view taken along the line D-D, and FIG. 11 is a view for explaining the tilting movement of each step shown in FIG. 7, and is an enlarged view of a portion Q in FIG. 23 described later.

FIG. 12 is a sectional view taken along line EE of FIG.
14 is a sectional view taken along line FF of FIG. 7, FIG. 14 is a sectional view taken along line GG of FIG. 2, FIG. 15 is an enlarged sectional view taken along line HH of FIGS.
17 is a cross-sectional view taken along line II of FIG. 2, FIG. 17 is an enlarged cross-sectional view taken along line JJ of FIG. 16, FIG. 18 is an enlarged view of a portion K in FIG. 17, and FIG.
20 is a sectional view taken along line LL, FIG. 20 is a sectional view taken along line MM in FIG.
FIG. 21 is an enlarged view of a portion N in FIG. 11, and FIG.
FIG. 23 is an enlarged view of a line cross section, and FIG. 23 is a view corresponding to FIG.

In the figure, (1) is a main frame of an escalator device which forms an upper end (1a) and a lower end (1b) and is arranged at an angle,
(2) is an endless circulation path which is provided on the main frame (1) and which will be described in detail later, and which is mainly composed of rails.
In (1), a forward path (2a) is formed on the upper surface side, a reversing part (2b) is formed on the end part, and a return path (2c) is formed on the bottom part. (3) is a circuit
A large number of first-class steps arranged along (2), with axes (3a),
A front wheel (3b) pivotally supported at both ends of the shaft (3a) and a rear wheel (3c) pivotally mounted on the opposite shaft (3a) side of the first type step (3) are provided. (31) is disposed between the first type steps (3) and is configured similarly to the first type steps (3), and one is provided in the circulation path (2), and the shaft (31a) and the front wheels ( 31b) and the second with rear wheels (31c)
It is a seed step.

(4) is a forward / reverse mechanism provided on the second type step (31), and (41) is a second type step (31) whose longitudinal length is arranged in the width direction of the second type step (31). Axis of the forward and backward movement mechanism (4),
(42) is an input body consisting of a chain gear fixed to the shaft (41).
2a) is a plurality of pin holes provided apart from each other on the side surface thereof, (43) is a bevel gear integrally formed with the input body (42), and (44) is a vertically arranged second type. (44a) is fixed to the lower end of this shaft (43).
The bevel gear (45) is a spur gear fixed to the upper end of the shaft (44). (5) is a straight bar-shaped fork, which is fitted in a guide body (46) fixed to the second type step (31) so as to be able to move linearly, protrudes from the groove-shaped opening of the guide body (46), and has a spur gear ( A rack (5a) meshing with the rack (45) is formed.

(45a) is pivotally supported by a shaft erected on the second type step (31), the spur gear (45) on one side and the second type step on the other side.
Another fork provided on (31) opposite the fork (5)
(5) Spur gear meshing with the rack (5a), (6) is a blocking mechanism,
(6a) has an L-shape, and an L-shaped curved portion is pivotally connected to the second step (31), and a pin hole (42a) is provided at a tip of one side of the L-shape along the side surface of the input body (42). Blocking mechanism with pin (6b) corresponding to
The lever (6) is provided at the pivot of the lever (6a), and the torsion spring (6d) biases the lever (6a) in the direction in which the pin (6b) fits into the pin hole (42a). ) Is vertically provided on the second type step (31), and is held so as to be slidable in the vertical direction, and the upper end thereof is opposed to the rotating end of one side of the lever (6a) opposite to the pin (6b) from below. It is a rod.

(32) is adjacent to the second type step (31) and has a main frame.
A third type step arranged near the lower end (1b) of (1), which is configured in the same way as the first type step (3), and is provided in the circulation path (2) and provided with a shaft (3).
2a), a front wheel (32b) and a rear wheel (32c). (32d) is a movable step of the third type step (32), and (32e) is a main frame of the movable step (32d).
(1) The lower bracket (1b) which is provided near the lower end (1b),
(32f) is an engaging body provided on the third type step (32) and also serving as a riser, provided near the lower end (1b) of the main frame (1) of the bracket (32e), and the lower end of the bracket (32e) is provided. Pin (32
g), and a cleat is provided in the longitudinal direction on a surface on the lower end (1b) side of the main frame (1). (32h) is the third type step (3
2) A guide groove which is recessed in the longitudinal direction inside the frames on both sides in the width direction and in which the protrusion of the pin (32g) is movably fitted, (32i) is the lower edge of the bracket (32e). An engagement hole provided on the side, (32j) is fixed to the back surface of the movable step (32d), and an engagement piece formed with an engagement hole (321) through which the tip of the fork (5) is inserted, (32k) ) Is a support piece fixed to the back surface of the movable step (32d) and arranged closer to the lower end (1b) side of the main frame (1) than the engagement piece (32j), and has a through hole.

The (32L) has one end pivotally connected to the upper edge of the engaging body (32f) and can slide on the bracket (32e) and the support piece (32k).
Swiped connecting rod to, (32m) the support piece of the connecting rod (32L) (32k)
A compression coil spring fitted to the insertion projecting end and disposed between the support piece (32k) and the large diameter portion of the support piece (32k) insertion projection end.

(7) is a lock mechanism provided on the third type step (32) and a fourth type step described later, (71) is a shaft of the lock mechanism (7) similar to the shaft (41), (72) ) Is the input body fixed to axis (71)
An input body similar to (42), (72a) is a pin hole similar to the pin hole (42a) provided on the side surface of the input body (72), and (73) is a first-class step
A blocking mechanism similar to the blocking mechanism (6) provided in (31), which includes a lever (73a), a pin (73b), a twist spring (73c), and a rod (73d).
It is constituted by. (74) is a spur gear fixed to the shaft (71) and arranged at both ends of the shaft (71), and (75) is fixed to the type 3 step (32) and the type 4 step and a cross section. Channel-shaped opening with a lip-shaped channel-shaped steel is arranged downward,
A guide body provided above the spur gear (74) and arranged in a longitudinally horizontal direction, (76) is loosely fitted in the guide body (75) and the engaging hole (32i) in the case of the third type step (32). The lower surface is an engaging rod provided with a rack (76a) projecting from the opening of the groove of the guide (75) and engaging with the spur gear (74).

Numeral (33) is an inclined step adjacent to the second type step (31) and located near the upper end (1a) of the main frame (1), and is a first type step (3).
It is provided in the circulation path (2) in the same manner as described above. (33a) is an inclined step
(33) fixed steps forming the upper surface of both edges in the width direction, (33
(b) is the axis of the inclined step (33), (33c) is the front wheel pivotally supported at both ends of the axis (33b), and (33d) is pivotally mounted on the opposite axis (33b) side of the inclined step (33). a rear wheel, (33e) in the inclined Stepping plate disposed between the fixed footstep (33a) is formed in width wider than the width W of the wheelchair (100), the upper end (1a) side of the main frame (1) The edge of the pin (33f)
Is pivotally attached to the inclined step (33). (33 g) is a linking member connected to the left and right lower end provided (1b) closer to the inclined Stepping <br/> stage (33) the body of the main frame (1) of the inclined <br/> the step (33).

[0019] (15) is a movable mechanism which is provided on the lower side of the inclined Stepping plate (33e), (15a) is respectively disposed on both sides in the width direction at both ends inclined Stepping plate (33e), pituitary and brackets The guide rod of the movable mechanism (15) fixed to (33h), (15b) is the guide rod (15a)
On the lower side, an operating shaft arranged parallel to and separated from this, both ends are pivoted by brackets (33h), and opposite ends are provided with screws (15c) opposite to each other, (15d) The guide bar is located near the bracket (33h) and the upper end is
(15a), the intermediate part is screwed into the screw (15c) of the operating shaft (15b), and the lower part is the input body of the movable mechanism (15) with the roller (15e) pivoted at the lower end. 15f) protrudes from the input body (15d), is loosely penetrated by the bracket (33h), and is fitted into a hole of the frame (33a ′) integrally formed with the fixed step (33a).
g) is an input body consisting of a chain gear fixed to the operating shaft (15b),
Reference numeral (16) denotes an operating rail fixed to the main frame (1), arranged along the outward path (2a), and corresponding to the roller (15e) of the input body (15d).

(34) is a fourth type step arranged adjacent to the third type step (32) and near the lower end (1b) of the main frame (1), and is a first type step.
The shaft (34) is constructed in the same way as
a), a front wheel (34b) and a rear wheel (34c). (34d) is a fixed riser of the fifth type step (34), which is disposed near the lower end (1b) of the main frame (1) and has a cleat provided in a vertical direction on a surface on the lower end (1b) side of the main frame (1). Have been. (34e) is a rising step of the fourth step (34), (34f) is a riser provided on the rising step (34e),
A cleat is provided in the vertical direction on the lower end (1b) side of the main frame (1) which is arranged near the lower end (1b) of the main frame (1), and the rising step (34e)
At the time of descending, is stored behind the fixed riser (34d) of the fifth step (34).

(34g) is a lower rail provided on both inner side surfaces in the width direction of the fourth type step (34) main body, and (34h) is provided on each of the lower rails (34g) and the lower end is a lower rail. A lower X-shaped link movably engaged with (34g), (34i) is disposed on each of the lower X-shaped links (34h) and movably engaged with an upper end of the lower X-shaped link (34h). Intermediate rail,
(34j) is an intermediate riser whose both ends in the width direction are supported by the intermediate rails (34i), respectively, which is disposed near the lower end (1b) of the main frame (1) and vertically arranged on the lower end surface of the main frame (1). Cleats are provided in the direction, and are stored on the back side of the riser (34f) of the ascending step (34e) when the ascending step (34e) descends.

(34k) is an upper rail provided on the lower surface of the ascending step (34e) and arranged on both sides in the width direction of the ascending step (34e), and (34L) is provided on each of the upper rails (34k). The upper X-shaped link whose upper end is movably engaged with the upper rail (34k) and whose lower end is movably engaged with the intermediate rail (34i), and (34m) is a circuit that is engaged with the upper X-shaped link (34L). With the moving arm, when the upper X-shaped link (34L) is in the lowered position,
The link (34L) is displaced to the ascending position at the beginning of the ascending operation. Reference numeral (341) denotes a guide mechanism mainly including a lower rail (34g), a lower X-shaped link (34h), an intermediate rail (34i), and an upper X-shaped link (34L).

(34n) is a third type step (3
2) A rotating piece that is arranged at the near edge and the middle part is pivotally attached to the rising step (34e), and a recess (34p) that opens downward is provided at the end near the third step (32). A projection (34q) protruding downward is provided at the end on the side opposite to the recess (34p). (34r) is provided on the back surface of the ascending step (34e) and has a projection (34
q) A compression coil spring that presses the side downward
Is always held at the position shown by the chain line in FIG.

(34s) is a fixed riser (34) of the fourth type step (34).
d), middle riser (34j) and riser (34e) riser (3
4f), which is an engagement hole into which the engagement rod (76) of the lock mechanism (7) is fitted. (34t) is an urging body composed of a tension coil spring whose one end is connected to the fixed portion of the fourth type step (34) and the other end is connected to the intermediate rail (34i), and the intermediate rail (34i)
In the direction toward the lower end (1b) of the main frame (1).

(17) is a main frame (1) provided on the fourth type step (34).
(171) is an axle of a bogie device (17) pivotally supported by a rising step (34e) and having a longitudinal length arranged in the width direction of the fourth type step (34). , (171a) is the lock mechanism
Chain gear (171b) fixed to the shaft (71) of (7) and the fourth step
A roller chain wound endlessly around a chain wheel (171c) pivoted on (34), (171d) is fixed to the shaft (171) of the wheel stopper (17) and engages with the roller chain (171a). A broken chain wheel, (172)
Are gears fixed to both ends of the shaft (171), (172a)
The rack whose longitudinal lower end is located near the axis (171) and whose upper end is located near the lower end (1b) of the main frame (1) of the ascending step (34e) is inclined and longitudinally engaged with the gear (172). (172b)
It is loosely fitted to the guide (172c) and its upper end faces the hole provided in the ascending step (34e) and is always arranged at the retired position.

Reference numeral (173) denotes a fixing mechanism of the vehicle stopping device (17).
3a) is an operating rod which is vertically movably supported by a support portion (173b) provided on a rising step (34e) and whose lower end is opposed to the uppermost edge of a movable frame (83) of a drive mechanism (8) described later, (173c). ) Is the operating rod (173
a) has one end fixed and protrudes, an arm disposed above the shaft (171), and (173d) a cross-shaped hole protruding downward from the protruding end of the arm (173c) and provided in the shaft (171). Pin facing (171e),
(173e) is fitted to the operating rod (173a) and the support (173b) and the arm (1
73c), and is a compression spring that biases the arm (173c) downward.

(8) is provided on the main frame (1) and is a second type step (3
1), a drive mechanism for automatically operating the forward / backward movement mechanism (4), the lock mechanism (7), and the car stop device (17), which are built-in devices of the third type step (32) and the fourth type step (34). The second step (31), the third
Attached when transporting goods such as the wheelchair (100) itself or a physically handicapped person (not shown) using the wheelchair (100) by the seed step (32), the inclined step (33) and the fourth step (34). Be inspired.
(81) is a frame of the drive mechanism (8), (81a) is a guide rod erected from the frame (81), (82) is fixed to the frame (81), and has an output shaft composed of screws (82a). (83) is a movable frame of the drive mechanism (8), (83a) is a cylindrical engaging element fixed to the lower surface of the movable frame (83) and has a female screw corresponding to the screw (82a), (83b) is a guide body formed of a cylindrical body fixed to the lower surface of the movable frame (83) and fitted with the guide rod (81a).

Numerals (84) are provided corresponding to the forward / reverse mechanism (4), the lock mechanism (7), and the wheel stop device (17) which are built-in devices of the various steps, respectively, and are engaged with their input members. A driving device for the driving mechanism (8), wherein the driving device (841) is provided at an end of the movable frame (83) along the length of the main frame (1), and the axis is arranged in the width direction of the main frame (1). A chain gear (84a) is fixed on the shaft of (84). (84b) is a chain gear which is separated from the chain gear (84a) and is pivotally attached to the movable frame (83), and (84c) is a three-row roller chain which is formed endlessly and has a chain gear (84a) and a chain gear ( 84b), three central rows are driving bands corresponding to the input members of each mechanism of the various steps, and (85) is provided on the movable frame (83) and the shaft (8)
This is an electric motor of a driving device (84) for driving (41).

Numerals (18) are provided on the main frame (1) and arranged at both ends of the outward path (2a), respectively, and are mounted near the upper end of the main frame (1) of the drive mechanism (8) to be inclined steps (33). This is a displacement mechanism that automatically operates the movable mechanism (15) of the second step (31), the third step (32), the inclined step (33), and the second step (31).
Articles such as wheelchair (100) itself, wheelchair by four steps (34)
It is energized when carrying a physically handicapped person (not shown) using (100). (18a) is an arm protruding from the member of the main frame (1), (18b) is a guide rod erected from the arm (18a), (18
c) is an electric motor with a brake for lifting and lowering, which is fixed to the arm (18a) and has an output shaft consisting of a screw (18d). (284) is a displacement mechanism (18).
(284a) is the frame, (284b) is fixed to the lower surface of the frame (284a), and a cylindrical engaging element having a female screw corresponding to the screw (18d), (284c) is the frame (284a ) Is a guide body formed of a cylindrical body fixed to the lower surface of the bracket and fitted with the guide rod (18b).

(2841) is a driving device of the displacement mechanism (18) provided corresponding to the input body (15g) of the inclined step (33), and (284d) is a displacement mechanism (18) of the forward drive mechanism (284). A chain gear (284e) is fixed to an axis of a driving device (2841) provided at an end of the main frame (1) along the longitudinal direction and arranged in the width direction of the main frame (1). (284f) is a chain gear which is separated from the chain gear (284e) and is pivotally attached to the frame (284a), and (284g) is a three-row roller chain which is formed endlessly and has a chain gear (284e) and a chain gear (284f). ), And the center row of the three rows is the input body (15) of the movable mechanism (15).
A driving band corresponding to g), (284h) is an electric motor of a driving device (2841) provided on the frame (284a) and driving the shaft (284d).

(9) is the axis (3) of the first step (3), the second step (31), the third step (32), the inclined step (33) and the fourth step (34).
a), (31a), (32a), (33b), (34a)
Step chains arranged along (2), (10) are fixed to the main frame (1) and arranged along the circulation path (2), and the front wheels (3b), (31b), (32)
b), (33c), (34b) front wheel rails, (11) main frame
Fixed to (1) and arranged along the circulation path (2), the rear wheels (3c),
This is a rear wheel rail for guiding (31c), (32c), (33d), and (34c). (12) is provided on the frame (81) of the drive mechanism (8), and the movable frame (8
3) A first detector comprising a switch for detecting the completion of retreat, and a forward drive mechanism (284) of the displacement mechanism (18) is also arranged.

(13) a second switch provided on the frame (81) of the drive mechanism (8) and detecting the completion of raising the movable frame (83).
In the detector, a forward drive mechanism (284) of the displacement mechanism (18) is also arranged. (14) is provided on the shaft of the electric motor (85) of the drive device (84), and operates according to the rotation speed of the electric motor (85), and
Seed step (31) fork (5) in / out or lock mechanism (7)
This is a third detector comprising an integrating switch for detecting the amount of the engagement rod (76) coming and going, and is also arranged on the electric motor (284h) of the driving device (2841).

In the escalator device configured as described above, the second step (31) is disposed between the first step (3) and the lower end (1) of the main frame (1) of the second step (31) is provided. 1b) A third type step (32) is arranged nearer. The main frame (1) of the second type step (31)
An inclined step (33) is arranged near the upper end (1a), and the third step (3
A fourth type step (34) is arranged near the lower end (1b) of the main frame (1) of the second step (1), a first type step (3), a second type step (31), and a third type step (3).
2) The inclined step (33) and the fourth step (34) are connected by a step chain (9).

Then, as shown in FIG. 2, the fork (5) of the second type step (31) is normally held at the retracted position, and the movable frame (83) of the drive mechanism (8) is held at the retracted position. In addition, lock mechanism (7)
The engaging rod (76) of the third step (32) is fitted into the engaging hole (32i) of the movable step (32d) of the third step (32) and the bracket (32e), and the movable step (32d) is moved to the lowered position. The union (32f) is compressed via the connecting rod (32l).
Energized in the direction of the first type step (31) by the compression coil spring (32m)
The movable step (32d) is held at a position near the bracket (32e).

Further, the fixed riser (34) of the fourth type step (34) is used.
d) and the engaging rod (76) of the lock mechanism (7) is fitted into the engaging hole (34s) of the riser (34f) of the ascending step (34e), and the ascending step (34e) is held at the descending position. the main frame of the fourth type the step (34) (1) upper end (1
a) The pivot piece (34n) provided nearer is disposed at an inclined position shown by a chain line in FIG. The inclination Stepping plate tilt the step (33)
In a horizontal position as (33e) will be described later, also, the four footstep
The car stop device (17) of (34) is held at the retreat position as described later.

The pins (6b) and (73) of the blocking mechanisms (6) and (73)
b) is fitted into the pin holes (42a) and (73a) of the input bodies (42) and (72), and the operation of the forward and backward movement mechanism (4) and the lock mechanism (7) is prevented. Also. The stop (172a) is disposed at a position retreated from the tread surface of the ascending step (34e), and the movable frame (83) is retracted so that the pin (173d) crosses the shaft (171) as shown in FIG. hole
(171e), the fixing mechanism (173) is operated, and the operation of the vehicle stop device (17) is prevented.

Further, the main frame (1) upper end (1
a) The inclined step (33) is arranged closer to the front, the forward drive mechanism (284) is normally held at the retreat position as shown in FIG. 2, and the input body (15d) of the movable mechanism (15) is shown in FIG. Inclined steps as shown
The roller (15e) is located at the retracted position in contact with the bracket (33h) of the plate (33e), the roller (15e) separates from the operating rail (16), and the retainer (15f)
The inclination <br/> Stepping plate fitted into the hole in the frame (33a ') of the fixed footstep (33a) (33e) is held in a horizontal position.

In this state, a first drive unit (not shown) provided on the main frame (1) is used to drive the first frame via the step chain (9).
The seed step (3), the second step (31), the third step (32), the inclined step (33) and the fourth step (34) are circulated through the circulation path (2). You. At this time, the front wheels (3b), (31
The rear wheels (3c), (31c), (32c), (33d), and (34c) are guided by the rear wheel rails (11), (b), (32b), (33c), and (34b).
As a result, the first step (3), the second step (31), the third step
The seed step (32), the inclined step (33) and the fourth step (34) move horizontally at the end of the forward path (2a) of the circulation path (2) according to the normal state, and move in the middle of the forward path (2a). In this case, stairs are formed while maintaining a horizontal posture, and the vehicle moves incline. In this state, a healthy person, that is, a general passenger, is transported.

On the other hand, for example, when the user of the wheelchair (100) is transported from the lower end (1b) of the main frame (1) to the upper end (1a), the following wheelchair driving is performed. That is, the first step (3), the second step (31), the third step (32), the inclined step
The step (33) and the fourth step (34) are stopped at the horizontal movement point at the lower end (1b) of the outward path (2a), and are arranged in the state shown in FIGS. Subsequently, as shown by the chain line in FIG. 2, the user of the wheelchair (100) can use the second step (31), the third step (32), and the fourth step (34).
Get on.

Next, the electric motor (82) is energized to
a), the movable frame (83) is raised as shown in FIG. 7 by being guided by the engagement element (83a), the guide rod (81a), and the guide body (83b), and the motor is operated by the operation of the second detector (13). (82) is deenergized and the brake operates to stop. As a result, the driving band (84c) is
(42), engages with the input body (72).

Further, as the movable frame (83) rises, the rod (6)
d) and (73d) are pressed and raised, so that levers (6a) and (73d)
a) is rotated, and the pins (6b) and (73b) are disengaged from the pin holes (42a) and (73a) of the input bodies (42) and (72). Next, the electric motor (85) is energized to drive the driving band (84c) via the chain gear (84a) and the chain gear (84b).
Is operated, and the input bodies (42) and (72) rotate. As a result, the spur gear (45) and the spur gear (45)
a), the fork (5) is engaged with the rack (5a) as shown in FIG.
The movable step (32d) of the third type step (32) projecting as shown in FIG.
It is inserted into the engagement hole (321) provided on the back side, and the connecting rod (32
L) is pressed against the urging force of the compression coil spring (32m).
Then, the electric motor (85) is stopped by the operation of the third detector (14), and the fork (5) is completely engaged with the engagement piece (32j) on the back surface of the movable step (32d) of the third type step (32). .

On the other hand, when the movable frame (83) rises, the operating rod (173)
a) is pressed and rises, so that the pin (173d)
e), and the operation of the fixing mechanism (173) is released. Also,
In the third step (32) and the fourth step (34), the electric motor (8
5) is urged to drive the drive band (84c) via the chain gear (84a) and the chain gear (84b) to rotate the input body (72), thereby rotating the spur gear (74) and the rack (76a). The engaging rod (76) retreats via. Thereby, the engaging rod (76) is disengaged from the engaging hole (32i) of the bracket (32e) at the third type step (32),
The holding of the lowered position of the movable step (32d) is released. Also,
Fixed riser (34d) and ascending steps in 4 steps (34)
The engaging rod (76) is disengaged from the engaging hole (34s) provided in the riser (34f) of (34e), and the lowering position of the ascending step (34e) is released.

In the fourth step (34), the electric motor (85)
Is urged to drive the drive belt via the chain gear (84a) and the chain gear (84b).
By driving (84c) and rotating the input body (72),
(171a) The shaft (171) rotates via the roller chain, the chain wheel (171b) and the chain wheel (171c). And gear (172), rack
(172b) raises the stop (172a) and raises the steps (34
Projection from e) results in the state shown in FIGS. 7, 9 and 13.

Further, the fork (5) of the second step (31) projects and the connecting rod (32L) provided on the back surface of the movable step (32d) of the third step (32) is compressed by a compression coil spring (32m). By pressing against the urging force of the third step, the engaging body (32f) of the third step (32) is displaced from the bracket (32e) toward the fourth step (34) , The upper end is in the state shown in FIG. 7 corresponding to the recess (34p) formed in the rotating piece (34n) provided on the lower surface of the ascending step (34e) of the fourth type step (34). When the above condition is reached, the third detector (1
4) operates, and the motor (85) is deenergized and stopped.

Further, the motor (18c) of the displacement mechanism (18) is also energized together with the motor (82) of the drive mechanism (8), and the forward drive is performed by the rotation of the screw (18d) as in the case of the drive mechanism (8). Mechanism (284)
Rises as shown in FIG. 7, and the driving band (284 g)
The input unit (15g) of (15) is engaged, the electric motor (18c) is deenergized together with the electric motor (82), and the brake acts to stop. Next, the electric motor (284h) of the driving device (2841) of the displacement mechanism (18) is energized to rotate the operating shaft (15b) via the driving band (284g), and the input body pivotally supporting the roller (15e). (15d) is advanced by the screw (15c), and the roller (15e) is fitted to the operating rail (16), and the state shown in FIG. 10 is obtained. Thus, the electric motor (284h) is stopped by the operation of the third detector (14).

Thereafter, when the motor (82) and the motor (18c) are urged in the reverse direction to lower the movable frame (83) and the forward drive mechanism (284) and the first detector (12) is pressed, the motor (82) is pressed. ), Motor (18
c) is deenergized, returns to the retracted position and stops. In addition, the lowering of the movable frame (83) returns the blocking mechanism (6) and the blocking mechanism (73) to the blocking state, and the free movement of the forward / backward moving mechanism (4) and the lock mechanism (7) is blocked. Also, the fixing mechanism of the car stop mechanism (17)
(173) is also in the blocking state, and the vehicle stopping mechanism (17) is fixed.

Next, the escalator, that is, the first step
(3), Class 2 steps (31), Class 3 steps (32), Inclined steps (33)
When all steps of the fourth step and the fourth step (34) are operated upward, the second step
As the seed step (31) and the third step (32) shift to the inclined movement, the movable step (32d) supported by the fork (5) is connected to the second step (31) and rises, as shown in FIG. The state shown in FIG.

Further, when the movable step (32d) is connected to the second type step (31) and ascends, the movable step (32d) is engaged with the rotating piece (34n) of the ascending step (34e) to engage the movable step (32f). The ascending steps (34e) of the four steps (34) are lifted up. The ascending operation of this ascending step (34e) is performed by the lower rail (34g),
4h), the ascending step (34e) ascends while keeping the horizontal posture, guided by the guide mechanism (341) constituted by the intermediate rail (34i) and the upper X-shaped link (34L) as main members. Further, when the guide mechanism (341) moves upward, the lower X-shaped link (34h), the intermediate rail (34i), and the upper X-shaped link (34L) are appropriately displaced in the horizontal direction.

Then, at the beginning of the rising of the rising step (34e), the rotating arm (34m) is displaced to the raised position, and the rotating piece (34n) is moved clockwise in FIG. 21 against the compression coil spring (34r). Rotate. As a result, the engaging body (3p) is inserted into the recess (34p) of the rotating piece (34n).
The upper end of 2f) is fitted and the third step (32) and the fourth step (34)
Mutual horizontal displacement is prevented. Also, the lower rail (3
4g), the lower X-shaped link (34h), the intermediate rail (34i) and the upper X-shaped link (34L), that is, the guide mechanism (341) itself moves up without restraining the horizontal displacement, and the ascending steps ( 34e)
Is guided in the upward direction while maintaining the horizontal posture.

Then, the intermediate riser (34j) urged by the urging body (34t) toward the lower end (1b) of the main frame (34t) due to the rise of the rising step (34e) raises the fixed riser (34d) and the rising step (34). As shown in FIG. 11, the second step (31), the third step (32) and the fourth step are disposed so as to close the space between the risers (34d) of 34e).
The loading space for the user of the wheelchair (100) indicated by the chain line in FIG. 11 by the seed steps (34) is kept horizontal.

Therefore, the space between the fixed riser (34d) and the riser (34d) of the rising step (34e) is closed by the intermediate riser (34j) due to the rise of the rising step (34e). Thereby, there is no danger that a caregiver (not shown) may be trapped in clothes between the fixed riser (34d) and the riser (34d) of the rising step (34e) when the user of the wheelchair (100) is carried, The caregiver's safety can be improved. In addition,
As a means for rotating the rotating piece (34n) clockwise in FIG. 21 at the initial stage of the rising of the rising step (34e), the following configuration is possible. That is, a structure in which a ratchet lever is provided with a solenoid and pressed by a plunger, or an appropriate mechanism using a link, a gear, a screw, or the like can be used.

[0052] The roller inclination the step (33) (15e) so is fitted to the actuating rail (16), the roller according to the inclination the step (33) moves the tilting movement (15e) is operated rail (16) guided inclined Stepping plate (33e) is rotated around the pin (33f) on.
Thus, the inclination Stepping plate tilt the step (33) (33e) is the main frame (1) lower end (1b) near the inclined lower the state shown in FIG. 11 wheelchairs (100) the user wheelchair (100) As a result, it is possible to improve the safety of the wheelchair (100) when the user is transported.

The second type step (31) and the third type step (3
2), while the inclined steps (33) and the fourth type steps (34) are sloping upward in the state of FIG. 11 and transition to the horizontal portion of the upper end (1a) of the main frame (1) of the outward path (2a). inclined Stepping plate tilt the step (33) (33e) is restored to the horizontal state rotates. In addition, the movable step of the third type step (32)
(32d) also descends, and the ascending step (34e) of the fourth step (34) also descends due to its own weight, the load of the user of the wheelchair (100), etc., and returns to the state of FIG.

Next, the second step (31) and the third step (3
2), the inclined steps (33) and the type 4 steps (34) are the main frame of the outward path (2a)
(1) Reaching the horizontal portion at the upper end (1a), the second step (31), the third step
The seed step (32) and the fourth step (34) face the drive mechanism (8), the inclined step (33) faces the displacement mechanism (18), and the input body (42) (84c), when the input body (72) is placed at the position immediately above the corresponding drive band (184c) and the input body (15g) is placed at the position directly above the corresponding drive band (284g), the escalator is deenergized and stopped.

Then, the drive mechanism (8) and the displacement mechanism (18) are operated to remove the fork (5) from the third step (32), and the guide body (172a) is inserted into the fourth step (34). Then, the user of the wheelchair (100) is lowered from the escalator from above the second step (31), the third step (32), and the fourth step (34). That is, as in the case of the main frame (1) at the lower end (1b) of the outward path (2a), the motor (82) and the motor (18c) are first energized to
(83) and the forward drive mechanism (284) are raised, and the blocking mechanism (6)
The locking mechanism (73) and the fixing mechanism (173) are unlocked. Then, the driving band (84c), the driving band (184c), and the driving band (284g) are engaged with the corresponding input bodies (42), (72), and (15g).

Next, the motor (85), the motor (185), the motor
(248h) is now urged to rotate in the reverse direction to that at the lower end (1b) of the main frame (1) of the outward path (2a), and the fork (5) and the guide (172a)
Is retracted and stored in each step, and the input body (15d) is retracted synchronously so that the engaging rod (76) is fitted into the engaging hole (32j), and the roller (15e) is moved to the operating rail. bracket further retainer (15f) removed from (16) (33a ') fitted so inclined Stepping plate (33e)
Stops the free rotation of.

Subsequently, the electric motor (82) and the electric motor (18c) are urged to rotate in the reverse direction to the above-described upward movement, and the movable frame (83) and the forward drive mechanism (284) are lowered. Then, in synchronization with the lowering, the blocking mechanism (6), the blocking mechanism (73) and the fixing mechanism (173) perform the locking operation, and the movement of the locking mechanism (7), the vehicle stopping device (17), and the forward and backward moving mechanism (4). Because it blocks, the second type step (31), the third type step (32),
The inclined step (33) and the fourth step (34) return to steps having the same function as the first step (3). When the movable frame (83) and the forward drive mechanism (284) descend and reach the original position, the electric motor (82) and the electric motor (18c) stop.

Thus, a series of operations for transporting the user of the wheelchair (100) is completed. After that, the operation of transporting ordinary passengers through the escalator as usual is performed. Also, contrary to the above description, when transporting the user of the wheelchair (100) from the upper end (1a) of the main frame (1) to the lower end (1b), the drive mechanism (8) for the forward path (2a) and the upper end (1a) And a second type step (3) at a position directly above the displacement mechanism (18).
1), Class 3 steps (32), Inclined steps (33) and Class 4 steps (34)
Is stopped, and the user of the wheelchair (100) is turned on the second step (31), the third step (32), and the fourth step (34) in the traveling direction of the step.

Then, the movable frame (83) and the forward drive mechanism (284)
The escalator is operated after engaging the second step (31), the third step (32), the inclined step (33) and the fourth step (34) to operate the escalator. Seed steps (31), Type 3 steps (32), Inclined steps (3
3) and the fourth type step (34) are the driving mechanism of the outward path (2a) and the lower end (1b)
(8) Stop the escalator when it reaches the position directly above the displacement mechanism (18).

Next, the drive mechanism for the forward path (2a) and the lower end (1b)
(8) Activating the displacement mechanism (18), the second step (31), the third step
The seed step (32), the inclined step (33) and the fourth step (34) are disengaged, and the user of the wheelchair (100) is lowered from the step, and thereafter general passengers are carried. Also in this case, since the user of the wheelchair (100) is mounted in a posture opposite to that in FIG. 11 during the slope descending section in the outward path (2a), the slope step (33) of the slope step (33) is performed.
The board (33e) has a wheelchair (1
00) The user has a sufficient space for accommodating the rear wheel of the wheelchair (100), so that the user of the wheelchair (100) can be transported without difficulty and safety can be improved.

The above-mentioned second type step (31) and third type step
(32), the inclined step (33) and the fourth type step (34) are provided with one set in the escalator, but it is also possible to provide a plurality of sets of these steps in the escalator.

In addition, the user of the wheelchair (100)
1) When the third type step (32) and the fourth type step (34) are used and the brake (not shown) is applied to the wheel of the wheelchair (100), and then the escalator is driven, The wheelchair (17) can be omitted even if the wheelchair is omitted including its series of mechanisms.
(100) The user can be transported safely.

As described above, a healthy person can be transported into a general passenger, that is, an escalator having a first step (3) for carrying a healthy person, similarly to the first step (3). ) Second type steps that change to a mode that can be transported by the user
(31), the third step (32), the inclined step (33) and the fourth step (3
4) is provided. And the second kind step (31), the third kind step
(32), and a space formed horizontally on the step upper surface of these steps by the fourth type step (34), and the inclined step (33) in which the lower end (1b) near the main frame (1) is inclined downward. Wheelchair (100)
The user is transported. During transportation, the wheelchair (100) user is prevented from falling by the wheel stopper (17).

For this reason, since a deep step for loading the wheelchair (100) is not provided, an escalator device which can be easily installed without increasing the size of the main frame (1) can be obtained.
Further, when the depth of one step is usually about 40 cm, even in a large wheelchair having a vehicle length of about 120 cm, the second step (31), the third step (32), and the inclined step (33) And an escalator device which is easy to use for a wheelchair (100) user and can safely transport a wheelchair (100) user by providing a room with a margin by a fourth type step (34) and in combination with a wheel stop device (17). It is.

Embodiment 2 FIG. FIG. 24 is a diagram corresponding to FIG. 19 showing another embodiment of the present invention. In the second embodiment, the other parts are the same as those shown in FIGS. In FIG. 24, the same reference numerals as those in FIG. 19 denote corresponding parts, and (32e) indicates the main frame (1) of the movable step (32d).
The lower end (1b) is provided near the lower end (1b) of the riser and the cleat is provided vertically on the hanging surface. (32f) is provided on the third type step (32) and serves as a part of the riser (32e). In a united manner, the riser (32e) is placed in a vertically long space provided at a position corresponding to the rotating piece (34n) shown in FIG. A pin (32g) is pivoted near the lower end of (32e), and a cleat is provided in the longitudinal direction on the lower end (1b) side of the main frame (1).

In the embodiment of FIG. 24, the second step (3
The movable step of the third step (32) with the fork (5) of 1) protruding
(32d) by pressing the connecting rod (32L) provided on the back surface, the engaging body of the third type the step (32) (32f) is displaced to a position away from the riser (32e), the upper end 4 A recess formed in a rotating piece (34n) provided on the lower surface of the ascending step (34e) of the seed step (34)
The state shown in FIG. 7 is obtained corresponding to (34p). Then, the movable step (32d) is connected to the second type step (31) to ascend, and thereby the engaging body engaged with the rotating piece (34n) of the ascending step (34e).
The rising step (34e) of the fourth step (34) is lifted and raised by (32f).

Accordingly, although detailed description is omitted, FIG.
It is clear that the same operation as the embodiment of FIGS. 1 to 23 can be obtained in the embodiment of FIG. In addition, since the engaging body (32f) that is operated and displaced in the embodiment of FIG. 24 is small, the displacing operation can be facilitated and smooth.

[0068]

According to the first aspect of the present invention, as described above, the forward path is formed on the upper surface side, the inverted portion is formed on the upper and lower ends, and the return path is formed on the bottom surface side. A main frame that constitutes a circulation path, and a first type step that is arranged continuously in the circulation path and circulates and moves horizontally at the end of the forward path and inclines while maintaining the horizontal posture at the middle of the forward path. Provided between the first steps, circulates with the first steps, is mounted via a forward / reverse mechanism, and is normally located at the retreat position, and is urged to the lower end side of the main frame when biased. A second type step provided with a protruding fork, and a first type step disposed adjacent to the second type step and located at the lower end side of the main frame.
A third type step provided with a movable step supported by a protruding fork, which is mounted so as to move with the type step and move up and down and is always held at a lowered position and is mounted on the main frame via an elevating mechanism; The wheelchair, which is arranged at the end of the forward path and is normally arranged at the retreat position and is displaced by the operation of the elevating mechanism by the wheelchair driving operation and is disengaged and stops at the end of the second type step stopped at the end of the forward path; A driving device that is operated by a driving operation to urge the forward / reverse mechanism to protrude the fork, and a second type that is provided at the lower end of the main frame of the movable step of the third type and is always held at the retreat position. An engaging body which operates through a projecting operation of a step fork and at least an upper end of which protrudes toward the lower end of the main frame; and an adjoining body adjacent to the third type step and arranged at the lower end side of the main frame together with the first type step It is movable and can be moved up and down and always descends A fourth type footstep to increase the step that is engaged engaging member of the third kind footstep which projects is held in location are provided, the horizontal guide the increase displacement of rising the steps provided in the fourth kind footstep And a guide mechanism arranged in a posture.

In this way, a wheelchair driving operation is performed when a physically handicapped person using a wheelchair is transported, and the normal-sized steps, which normally form stairs and ascend and descend, are adjacent to each other in the second and third steps. One plane on which the wheelchair is mounted is formed by the three special steps of the steps and the fourth type steps. Therefore, since a deep step for wheelchair loading is not provided, an escalator device which can be easily installed without increasing the size of the main frame can be obtained. Furthermore, even in a large wheelchair having a long vehicle length, the second type step, the third type step, and the fourth type step can be used.
The extra space provided by the seed steps makes it easy for the wheelchair user to use the escalator device, which can safely transport the wheelchair user.

Further, in the escalator device according to the second aspect of the present invention, the escalator device is disposed so as to be inclined, the forward path is formed on the upper surface side, the reversing part is formed on the upper and lower ends, and the return path is formed on the bottom surface side. A main frame that constitutes a circulation path, and a first type step that is arranged continuously in the circulation path and circulates and moves horizontally at the end of the forward path and inclines while maintaining the horizontal posture at the middle of the forward path. Provided between the first steps, circulates with the first steps, is mounted via a forward / reverse mechanism, and is normally located at the retreat position, and is urged to the lower end side of the main frame when biased. A second type step provided with a protruding fork; a second type step which is arranged adjacent to the second type step on the lower end side of the main frame, moves together with the first type step, is mounted to be vertically movable, and is always in a lowered position; Supported by a protruding fork A third kind footstep the dynamic footstep is provided,
A second frame mounted on the main frame via a lifting mechanism and arranged at the end of the forward path, normally disposed at the retreat position, displaced by the operation of the lifting mechanism by the wheelchair driving operation, and stopped at the end of the forward path.
A driving device that engages with the input body of the seed step and operates by the wheelchair driving operation to urge the forward and backward movement mechanism to project the fork, and is provided at the lower end of the main frame of the movable step of the third step. And an engaging body which is normally held at the retreat position and operated through the fork of the second step to project at least the upper end to the lower end of the main frame, and the main frame adjacent to the third step and A rising step which is disposed at the lower end side of the step and moves with the first step and is mounted so as to be vertically movable and is normally held at the lowered position and engaged with the protruding engaging body of the third step. A fourth- type step, a guide mechanism provided on the fourth- type step and guiding the ascending displacement of the ascending step and arranging the same in a horizontal position; riser risers and increase the step of the fourth type footstep when the step is increased It is provided with a intermediate riser disposed over between.

In this way, a wheelchair driving operation is performed when a physically handicapped person using a wheelchair is transported, and the normal-sized steps, which normally form stairs and ascend and descend, are adjacent to each other in the second and third steps. One plane on which the wheelchair is mounted is formed by the three special steps of the steps and the fourth type steps. Further, when one plane on which the wheelchair is mounted is formed by the three special steps, the intermediate riser is closed between the riser of the fourth type step and the riser of the raised step. Therefore, since a deep step for wheelchair loading is not provided, an escalator device which can be easily installed without increasing the size of the main frame can be obtained. Furthermore, even with a large wheelchair having a long vehicle length, the room with ample room of the second step, the third step, and the fourth step makes it easy for the wheelchair user to use and transports the wheelchair user more safely. There is an effect of obtaining a possible escalator device.

[Brief description of the drawings]

FIG. 1 is a schematic longitudinal sectional side view showing a first embodiment of the present invention.

FIG. 2 is an enlarged view of a portion A in FIG.

FIG. 3 is a plan view of FIG. 2;

FIG. 4 is a sectional view taken along line BB of FIG. 2;

FIG. 5 is a sectional view taken along line CC of FIG. 2;

FIG. 6 is a sectional view taken along line DD of FIG. 2;

FIG. 7 is a view for explaining a state in which a driving operation for a wheelchair is performed by performing a wheelchair driving operation in the state shown in FIG. 2;

FIG. 8 is a sectional view taken along line BB of FIG. 7;

FIG. 9 is a sectional view taken along line CC of FIG. 7;

FIG. 10 is a sectional view taken along line DD of FIG. 7;

11 is a view for explaining the tilt movement of each step shown in FIG. 7, and is an enlarged view of a portion Q in FIG. 23 described later.

FIG. 12 is a sectional view taken along line EE of FIG. 11;

FIG. 13 is a sectional view taken along line FF of FIG. 7;

FIG. 14 is a sectional view taken along line GG of FIG. 2;

FIG. 15 is an enlarged cross-sectional view taken along line HH of FIGS. 4 and 5;

FIG. 16 is a sectional view taken along line II of FIG. 2;

FIG. 17 is an enlarged sectional view taken along line JJ of FIG. 16;

18 is an enlarged view of a portion K in FIG.

FIG. 19 is a sectional view taken along line LL of FIG. 7;

FIG. 20 is a sectional view taken along the line MM of FIG. 19;

FIG. 21 is an enlarged view of a portion N in FIG. 11;

FIG. 22 is an enlarged cross-sectional view taken along line PP of FIG. 11;

FIG. 23 is a view corresponding to FIG. 1, illustrating the state of inclination movement of each step in FIG. 11;

FIG. 24 is a view corresponding to FIG. 19 showing another embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Main frame 1a Upper end 1b Lower end 2 Circulation path 2a Outgoing path 2b Inversion part 2c Return path 3 First type step 31 Second type step 32 Third type step 32d Movable step 32f Engagement body 34 Fourth type step 34d Fixed riser 34e Ascending step 34f Riser 34j Intermediate riser 341 Guide mechanism 4 Forward / reverse mechanism 42 Input body 5 Fork 84 Drive unit

Claims (2)

(57) [Claims] 1. A main frame having a circulation path having a forward path formed on an upper surface side, a reversing section formed on an upper end and a lower end part, and a return path formed on a bottom side, and a large number of the circulation path formed on the circulation path. A first-type step that is continuously arranged and circulated and moves horizontally at the end of the forward path, and inclines and moves while maintaining a horizontal posture at an intermediate part of the forward path, and is provided between the first-type steps. revolved together with the first one footstep and is mounted via a forward-reverse mechanism, normally disposed in retracted position, main time
A second kind footstep the fork is provided which is biased to protrude into the lower end of the main frame to the adjacent to the second kind footstep, arranged at the lower end portion side of the main frame and the first type A third type step provided with a movable step supported by the fork, which is mounted together with the step and is vertically movably mounted , always held at the lowered position, and projected when necessary; Is mounted via , is arranged at the end of the outward path ,
It is always located at the retreat position, and when necessary , engages with the input member of the second type step, which is displaced by the operation of the elevating mechanism by the wheelchair driving operation and stopped at the end of the forward path, and the wheelchair driving operation A driving device that operates to bias the forward / backward moving mechanism to protrude the fork, and is provided at the lower end side of the main frame of the movable step of the third step , and is always held at the retreat position ; An engaging body that operates through the fork of the second step when necessary to project at least an upper end toward the lower end of the main frame; and a lower end of the main frame adjacent to the third step and adjacent to the third step. And is mounted so as to move up and down with the first type step, and is always held at the lowered position, and is engaged with the engaging body of the third type step which protrudes when necessary to be displaced upward. No. with ascending steps
And four footstep, Wei the upper surface of the fourth type the steps provided rising displacement during the rise of the rise footstep footstep substantially horizontally
Escalator apparatus having a horizontal maintenance mechanism for lifting. 2. A main frame having a circulation path having a forward path formed on an upper surface side, a reversing section formed on an upper end part and a lower end part, and a return path formed on a bottom surface side; A first-type step that is continuously arranged and circulated and moves horizontally at the end of the forward path, and inclines and moves while maintaining a horizontal posture at an intermediate part of the forward path, and is provided between the first-type steps. revolved together with the first one footstep and is mounted via a forward-reverse mechanism, normally disposed in retracted position, main time
A second kind footstep the fork is provided which is biased to protrude into the lower end of the main frame to the adjacent to the second kind footstep, arranged at the lower end portion side of the main frame and the first type A third type step provided with a movable step supported by the fork, which is mounted together with the step and is vertically movably mounted , always held at the lowered position, and projected when necessary; Is mounted via , is arranged at the end of the outward path ,
It is always located at the retreat position, and when necessary , engages with the input member of the second type step, which is displaced by the operation of the elevating mechanism by the wheelchair driving operation and stopped at the end of the forward path, and the wheelchair driving operation A driving device that operates to bias the forward / backward moving mechanism to protrude the fork, and is provided at the lower end side of the main frame of the movable step of the third step , and is always held at the retreat position ; An engaging body that operates through the fork of the second step when necessary to project at least an upper end toward the lower end of the main frame; and a lower end of the main frame adjacent to the third step and adjacent to the third step. And is mounted so as to move up and down with the first type step, and is always held at the lowered position, and is engaged with the engaging body of the third type step which protrudes when necessary to be displaced upward. No. with ascending steps
And four footstep, Wei the upper surface of the fourth type the steps provided rising displacement during the rise of the rise footstep footstep substantially horizontally
A horizontal maintenance mechanism for lifting, being supported by the horizontal maintenance mechanism, normally held in the lowered position, the time needed for the increased footstep rises over between the riser the riser and the rise footstep of the fourth kind footstep An escalator device comprising an intermediate riser to be arranged.