JPH0312797Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention relates to the improvement of the steps of escalators, motorized roads, etc. (hereinafter referred to as escalators, etc.), which are particularly suitable for use by disabled people who use wheelchairs. be.

[Prior art]

The depth dimension of the steps of general escalators is approximately 400 mm, but this dimension is too large for people with physical disabilities who use wheelchairs to use the escalator. Patent Application No. 120493 (1982)
-12487 Publication), Japanese Patent Application No. 1980-198057 (Japanese Unexamined Patent Publication No. 1983
-93089 Publication), Japanese Patent Application No. 60-6332 (Japanese Unexamined Patent Publication No. 1988-6332)
Publication No. 166493), Japanese Patent Application No. 134340 (1983)
-12584 Publication), Japanese Patent Application No. 59-56976 (Japanese Unexamined Patent Publication No. 1983
202076), the tread plate of any step or the auxiliary tread plate built into the bottom of the tread plate of any step is configured to be able to be pulled out in the depth direction, and the upper step adjacent to the step that can be pulled out is We have proposed an escalator that can be tilted freely and has substantially wide treads only when used by a handicapped person, so that even a wheelchair can ride it.

The outline will be explained below using the drawings.

Figure 2 is a side view of the entire escalator, where 1 is the escalator body, 2 is the handrail, and 3 is the step for general passengers, and the depth dimension is approximately 400 mm. Reference numeral 4' denotes a step for the handicapped person in which a part of the footboard 6', for example, the auxiliary footboard 5 built into the lower part of the footboard 6' can be pulled out in the front and back direction, and 4 denotes an upper step adjacent to the step for the handicapped person 4'. This is a tiltable step with a tread that can be tilted freely. FIG. 3 is an enlarged perspective view of the tiltable step 4 adjacent to the upper side of the handicapped step 4', while FIG.
This figure shows the normal horizontal state, and the depth dimension L is about 400 mm, which is the same as that of the general passenger step.
In addition, FIG. 3b shows a state in which the footboard 6 is tilted so that the footrest of the wheelchair does not get in the way as shown in FIG. 4 when used by a disabled person. , 7 is the front wheel, 8 is the rear wheel,
A roller 9 is rotatably attached to a lever 10 by a pin 9a, and the lever 10 is fixed to one end of a shaft 11 rotatably supported inside the tiltable step 4 via a bearing (not shown). Normally, the lever 10 is pulled toward the step side by a spring 40 provided between the lever 10 and the inner side of the step 4, and is brought into contact with a stopper 41.

FIG. 5 is an enlarged perspective view showing the interior of the tiltable step 4. FIG. , the riser 42 is shown folded onto the lower surface of the step 4, and the same reference numerals as in FIGS. A bevel gear 44 is fixed to one end of a shaft 45 rotatably supported on one side of the step 4, and meshes with the bevel gear 43. There is. 46 is the shaft 45
Lever 47 fixed at the other end has pin 4 at one end.
A link is rotatably connected to a lever 46 by a pin 47a, and the other end is rotatably connected to a lever 48 by a pin 47b, and the other end of the lever 48 is fixed to one end of a rotatably supported shaft 49. has been done. 5
0 is a lever with one end fixed to the other end of the shaft 49,
A bar 52 with a rotatable roller 51 at the other end
is fixed, and the left and right levers 50 are connected via the bar 52.
(Due to bilateral symmetry, the left lever 50 is omitted from illustration)
are connected. 6a is a U-shaped member fixed to the back surface of the footboard 6, and is always engaged with the roller 51. Reference numeral 53 denotes a shaft fixed below the front end of the fixed part of the treadle 6, and the shaft 53 and the rotating part of the treadle 6 are connected to the hinge 5.
Connected by 4. A pin 55 is attached to a link mounting plate 56 whose one end is fixed approximately at the center of the shaft 53.
A link rotatably attached via 5a,
The other end is a shaft 5 rotatably supported on the bottom of the footboard 6.
Pin 5 is attached to link mounting plate 57 fixed to one end of 8.
They are rotatably connected via 5b. 59 is a gear fixed to the other end of the shaft 58, and 60 is a shaft rotatably attached to the footboard 6 via a bearing (not shown) and fixed to the back surface of the riser 42 via a bracket 61. , a gear 62 is fixed approximately at the center of the shaft 60, and the gear 62 and the gear 59
are interlocked with each other. 70 is a drive lever that engages with the roller 9 driven horizontally by the drive device 71 to operate the lever 10; 72 is a guide rail that guides the rear wheels 8 and rollers 9 when operating the escalator with a handicapped person on board; It is.

The details of the handicapped step 4' will be omitted since they are not directly related to the present invention.

Here, when this lever 10 is operated by the drive device 71 via the drive lever 70 and roller 9 in the direction of the arrow in FIG. 5a, the shaft 11, bevel gear 43, and bevel gear 44 are through axis 4
5 clockwise, lever 46 and pin 47.
a, link 47, pin 47b, lever 48, shaft 4
9, the lever 50 is rotated counterclockwise around the shaft 49, and the supporting position of the footboard 6 is moved downward by the engagement of the roller 51 and the member 6a. It becomes a state where it leans backwards.

According to this tilting movement of the footboard 6, the pin 55
Since the absolute position of a does not change and the absolute length of the link 55 also does not change, the link mounting plate 5 is fixed by the link 55.
7 receives the force and rotates counterclockwise together with the shaft 58, and the gear 59, the gear 62, the shaft 60, and the bracket 6
1, the riser 42 is folded into the lower part of the step 4, resulting in the state shown in FIG. 5b.

Therefore, the pulling out operation of the handicapped step 4', the tilting operation of the tiltable step 4, and the folding operation of the riser 42 are performed in parallel to create a space sufficient for a wheelchair as shown in FIG. 6 to be accommodated.

[Problem that the invention attempts to solve]

Incidentally, the degree of inclination of the treadle 6 of the freely tiltable step 4 is determined by the rotational movement of the lever 10, but when a handicapped person is using the escalator, the level difference between the step 4' for the handicapped and the freely tiltable step 4 It must be noted that the inclination of the footboard 6 on the tiltable step 4 must be changed accordingly.

For this reason, a new guide rail is generally installed to guide the roller 9 to appropriately regulate the position of the lever 10 over the entire escalator travel section, but this guide rail requires precise three-dimensional bending. The necessary and even narrower truss work requires considerable installation precision.

Furthermore, since the treadle tilting mechanism itself is composed of gears and links as shown in FIG. 5, the mechanism itself is complicated and lacks reliability.

The present invention was developed in view of the above points, and an object of the present invention is to provide a step for an escalator, etc., which has a simple tilting mechanism and structure.

[Means to solve the problem]

The present invention provides an escalator, etc., in which the tread of at least one step among a plurality of steps constituting the escalator, etc. is configured to be freely tiltable.
The at least one step includes a movable step and a fixed step, which are provided so as to be tiltable, and the movable step has a pin projecting toward a lower step adjacent to the lower part of the at least one step. It shall be established.

[Effect]

With the structure as described above, the inclination of the movable step can be freely changed depending on the level difference with the lower step.

〔Example〕

FIG. 1 is an enlarged perspective view of an example of the tiltable step according to the present invention, showing the inside of the step in a normal state, and FIG. 7 is an enlarged perspective view of the step in a tilted state. In the figure, 100 is a tiltable step according to the present invention, and 100' is a step located below the tiltable step 100.
consists of a fixed step 110 at both left and right ends and a movable step 120 at the center, and engagement devices 121 and 122 are provided symmetrically on the lower step 100' side at both left and right ends of the movable step 120. As shown in FIG. 8, this engagement device 121 is equipped with a pinion 123 and a rack with a pin 124 (not shown because the engagement device 122 is symmetrical with the engagement device 121), and the rotation direction of the pinion depends on the direction of rotation of the pinion. The moving direction of the pinned rack 124 changes,
Normally, the pinned rack 124 moves toward the fixed step 110 (in the B direction), and the pin 124a of the pinned rack 124 fits into the housing 111 provided on the fixed step 110, thereby maintaining the horizontal state of the movable step 120. Maintained. When a disabled person uses the escalator, the pinned rack 124 moves toward the center of the step (in the direction A) to release the lock from the fixed step 110, and at the same time moves downward as shown in FIGS. 7 and 9. Step 10
When the pin 124a of the pin-equipped rack 124 is made to protrude toward the engagement plate 125, which is provided on the back surface of the tread plate 6' and is made of, for example, L-shaped steel, the pin 124a of the pin-equipped rack 124 is always downward due to the weight of the movable step. Since it contacts the engagement plate 125 of the step 100', the degree of inclination of the movable step 120 changes automatically according to the level difference h between the lower step 100' and the freely tiltable step 100.

126 is a spur gear connected to the pinion 123 of the engagement device 121 by a flexible shaft 127;
A spur gear 128 is connected to a pinion (not shown) of the engagement device 122 by a flexible shaft 129, and meshes with the spur gear 126. 130
is the step switching lever according to the present invention, and the spur gear 1
26 by a flexible shaft 131. 140 is a motor 141 and a reducer 142
This is a step support device consisting of an arm 143 and a roller 144.

Next, the operation of the device of the present invention will be explained.

First, when the lower step 100' and the tiltable step 100 come to the entrance and stop for boarding a disabled person in a wheelchair, the arm 143 of the step support device 140, which is normally located at the position indicated by the broken line in FIG. It rotates counterclockwise and stops at the position indicated by the solid line, supporting the movable step 120. Next, the step switching lever 1 is driven by a drive device (not shown).
30 is driven in the direction of the arrow in FIG. 1, the pinion 123 of the engagement device 121 rotates counterclockwise via the flexible shaft 131 and spur gear 126 (the pinion of the engagement device 122 rotates clockwise ), then move the pin-equipped rack 124 in the direction A to remove the pin 124a from the housing 111 of the fixed step 110, and release the lock on the movable step 120. (At this time, the pin 124a of the pin rack 124 does not protrude in either the A direction or the B direction and is in a completely intermediate position.) Next, the arm 143 of the step support device 140
Rotate clockwise in Fig. 1 to move the movable step 1.
The movable step 120 is tilted to a height such that the lower step 100' side end of the tread plate 20 coincides with the tread surface of the lower step 100'. Next, the step switching lever 130 is further rotated in the direction of the arrow in FIG.
24 pins 124a are moved in the direction A so that they protrude below the tread of the lower step 100'. After that, the arm 143 is further rotated clockwise to move the pin 124a of the pin rack 124 to the lower step 10.
0' and returns to the position shown by the broken line in FIG.

During this time, the pull-out operation of the treadle of the lower step has also been completed, and the disabled person can
0', the escalator is operated as shown in FIG. Pin 1 of pin rack 124 deposited on plywood 125
By the function of 24a, it is possible to always easily obtain an inclination corresponding to the step h.

In the above explanation, a pin-equipped rack is described in which the same pin serves as both a locking pin and an engaging pin, but as shown in FIG. A mechanism may be adopted in which the pinions 123' and 123'' are used to drive the pinions 123' and 123'', or the engaging plate 125 is not provided on the back of the treadle of the lower step 100' and the pin 124a of the pin rack is connected to the lower step as shown in FIG. 100'
It may be configured such that it projects above the footboard 6' and rests on the footboard 6'. In this case, there will be a slight difference in level between the treads of the movable step 120 and the treads of the lower step 100', but it is possible to prevent the footrest of a wheelchair from getting in the way. In addition, a step support device 1 is installed in the tilting mechanism of the treadle.
40, but this may be a tread tilting mechanism using links and gears as before, and in this case, the tread tilting mechanism itself cannot be simplified, but the conventional lever It is clear that the guide rail 72 for guiding 10 can be omitted. In addition, the lower step that exists below the tiltable step is not limited to the step that can be freely pulled out in the conventional example, but the height of adjacent steps is the same to ensure a space where a wheelchair can ride. It is also clear that the present invention can be applied to any type of step that is possible.

〔effect〕

As described above, in the present invention, at least one step among a plurality of steps constituting an escalator etc. is composed of a movable step that is provided so as to be tiltable and a fixed step, and the rear end of the movable step is closer to the fixed step. The movable step is equipped with a pin that can protrude toward the lower step that is adjacent to the lower part. This makes it extremely easy to create steps for escalators, etc. whose inclination angle changes over time.

[Brief explanation of the drawing]

Fig. 1 is an enlarged perspective view of an example of the step according to the present invention, showing the inside of the step in a normal case; Fig. 2 is a side view of the entire escalator; Fig. 3 is a perspective view of a conventional tiltable step; Figure 4 is a side view showing a disabled person using the escalator, Figure 5 is an interior perspective view of a conventional tiltable step, and Figure 6 is a perspective view showing the escalator step before a disabled person gets on it. , FIG. 7 is an enlarged perspective view of an example of the step according to the present invention when it is tilted, and FIG. 8 is an illustration of the engagement device 121 in FIG. 1.
9 is a view taken along the - line in FIG. 7, FIG. 10 is a perspective view showing another pin-equipped rack of the present invention, and FIG. 11 is a perspective view showing another embodiment of the present invention. It is. 100... freely tiltable step, 110... fixed step, 120... movable step, 121,1
22...Engagement device, 124, 124', 124''...
...Rack with pin, 124a...pin.

Claims (1)

[Claims for Utility Model Registration] (1) In an escalator, etc., in which the tread of at least one of a plurality of steps constituting the escalator, etc. is configured to be tiltable, the at least one step is provided to be tiltable. It consists of a movable step and a fixed step, and the movable step includes the at least one
1. A step for an escalator or the like, characterized in that a pin is provided so as to be able to protrude toward a lower step that is adjacent to the lower side of the two steps. (2) A step for an escalator or the like according to claim 1, wherein the projecting pins are pins that project alternately toward the fixed step side. (3) A step for an escalator or the like according to claim 1, wherein the projecting pin is a pin projecting onto a tread of the lower step. (4) A step for an escalator or the like according to claim 1, wherein the protruding pin is a pin that protrudes so as to come into contact with an engagement plate provided on the back surface of the tread of the lower step.