JP7004606B2 - Passenger conveyor steps and passenger conveyor - Google Patents

Description

The present invention relates to a passenger conveyor step and a passenger conveyor.

As a step (step) used for an escalator, which is one form of a passenger conveyor, a separate rear demacation com (demacation) is provided at the corner where the cleat surface and the riser surface intersect. Is known (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2014-162604

By the way, in the manufacture of steps of a passenger conveyor, cleats and risers may be integrally formed by die casting. However, in the step described in Patent Document 1, the corner portion where the cleat surface and the riser surface intersect is a relatively acute angle. For this reason, when the molten metal in which aluminum or the like is melted is poured into a mold and cast, the molten metal may not spread properly and the corners may not be formed properly. In this case, there is a possibility that the demacation cannot be properly installed because a step is generated on the joint surface with the demacation at the corner portion.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a passenger conveyor step capable of improving moldability during die casting and a passenger conveyor provided with this step. do.

One aspect of the present invention is a passenger conveyor step at a corner where a cleat meets a riser in a passenger conveyor step comprising a cleat having a horizontal plane on which passengers ride and a riser extending downward from one end of the cleat. It has a base portion provided and a demacation attached to the base portion, and the base portion has a first inclined surface inclined downward from the cleat side toward the riser side, and the demacation has a first inclined surface. It has a second inclined surface to be joined to one inclined surface. One of the base and the demacation is provided with a recess, and the other of the base and the demacation is provided with a convex to fit the recess, and the riser has a plurality of ridges extending along the extension direction. .. Further, the concave portion or the convex portion provided on the base portion is arranged at a position corresponding to the arrangement position of the ridge portion.

According to at least one aspect of the present invention, it is possible to improve the moldability at the time of die casting.
Issues, configurations and effects other than those described above will be clarified by the following description of the embodiments.

It is a figure which shows the passenger conveyor which concerns on one Embodiment of this invention. It is a perspective view which shows the step of FIG. It is a side view which shows the step of FIG. It is an enlarged view of the main part of the step of FIG. 1, and is the figure which shows the state before attaching the demacation to the base part. It is an exploded view of the step of FIG. It is a partial cross-sectional view which shows the state which attached the demacation which concerns on one Embodiment of this invention to a base part. It is a figure which shows the other example (the 1) of the recess in a base part. It is a figure which shows the other example (the 2) of the concave part in the base part. It is a figure which shows the deformation example of a base part.

Hereinafter, examples of embodiments for carrying out the present invention will be described with reference to the accompanying drawings. In each figure, components having substantially the same function or configuration are designated by the same reference numerals and duplicated description will be omitted.

[Conveyor of passenger conveyor]
First, the outline of the passenger conveyor according to the embodiment of the present invention will be described with reference to FIG. FIG. 1 is a diagram showing a passenger conveyor according to an embodiment of the present invention.

The passenger conveyor (escalator) 1 is installed in a building and has a frame body 2 of a strength member composed of an upper horizontal frame 2a, a lower horizontal frame 2b, and an intermediate inclined portion frame 2c. Further, the passenger conveyor 1 has a step 5 in which the upper boarding / alighting floor 3 and the lower boarding / alighting floor 4 provided at both ends in the longitudinal direction of the frame body 2 are connected endlessly and circulate and move. Further, the passenger conveyor 1 has a pair of left and right balustrades 6 erected on the frame 2 along the moving direction of step 5, and an endless shape guided by the peripheral edge of the balustrade 6 and driven in synchronization with step 5. It has a moving handrail 7.

In step 5, both sides in the width direction are connected to a pair of left and right endless step chains 8. These left and right step chains 8 are between the upper terminal sprocket 10 pivotally supported in the upper machine room 9 of the upper horizontal frame 2a and the lower terminal sprocket 12 pivotally supported in the lower machine room 11 of the lower horizontal frame 2b. It is wrapped around. Then, when the step chain 8 is driven by a drive device (not shown), the step 5 connected to the step chain 8 circulates between the upper boarding / alighting bed 3 and the lower boarding / alighting bed 4.

[Step configuration]
Next, the steps of the present embodiment will be described with reference to FIGS. 2 to 6. FIG. 2 is a perspective view showing the steps according to the present invention. Further, FIG. 3 is a side view showing the steps. FIG. 4 is an enlarged view of a main part of the step, and is a view showing a state before attaching the demacation to the base part. FIG. 5 is an exploded view of the steps, and the cleats, risers, and base portions are shown in the cross section taken along the line AA of FIG. FIG. 6 is a partial cross-sectional view showing a state in which the demacation is attached to the base portion.

As shown in FIGS. 2 and 3, step 5 has a cleat 21, a riser 22, and a body frame 23. The cleat 21, riser 22 and main body frame 23 are integrally molded by die casting to form a step main body 20.

The cleat 21 is formed in a flat plate shape having a substantially rectangular horizontal plane on which passengers ride. The lateral direction of the cleat 21 coincides with the traveling direction of step 5. As shown in FIG. 4, on the horizontal plane of the cleat 21, a plurality of cleat ridges 21a extending along the lateral direction of the cleat 21 are formed side by side in the longitudinal direction of the cleat 21 at a predetermined pitch. The longitudinal direction of the cleat 21 and the direction orthogonal to the traveling direction of step 5 coincide with each other.

As shown in FIGS. 2 to 4, the riser 22 extends downward from one end of the cleat 21 in the lateral direction with an arc surface. On one surface of the riser 22, a plurality of riser ridges 22a extending downward are formed side by side at a predetermined pitch in the horizontal direction. In the following description, the end portion on the side of the riser 22 in the lateral direction of the cleat 21 may be referred to as a "rear end portion", and the end portion on the opposite side may be referred to as a "front end portion".

As shown in FIGS. 2 and 3, the main body frame 23 is a substantially annular frame body for joining the cleat 21 and the riser 22.

Further, as shown in FIG. 2, the step main body 20 has a rear side demacation 24, a side end demacation 25, and a front side demacation molded from a resin colored in a highly distinguishable color (for example, fluorescent yellow). 26 is provided. The rear demacation 24 is a substantially square bar-shaped member arranged at the rear end of the cleat 21 over the longitudinal direction of the cleat 21. The side edge demacation 25 is arranged at both ends of the cleat 21 in the longitudinal direction. Further, the front demacation 26 is arranged at the front end portion of the cleat 21.

As shown in FIGS. 4 to 6, a base portion 27 to which the rear demacation 24 is attached is formed at a corner portion where the rear end portion of the cleat 21 and the upper end portion of the riser 22 in the step main body 20 intersect. The base portion 27 has a first inclined surface 27a that is inclined downward from the cleat 21 side toward the riser 22 side. The first inclined surface 27a extends in a direction orthogonal to the traveling direction of step 5 in the base portion 27. Further, the first inclined surface 27a is inclined downward by about 30 degrees with respect to the horizontal plane of the cleat 21.

Further, the base portion 27 has a first vertical surface 27b formed on the cleat 21 side. The first vertical surface 27b extends longitudinally at the rear end of the cleat 21. Further, the base portion 27 has a plurality of recesses 27c into which the convex portions 24c of the rear side demaculation 24, which will be described later, are fitted.

Each of the plurality of recesses 27c is a hole penetrating the first inclined surface 27a, and is arranged at a position corresponding to the arrangement position of the riser ridge portion 22a, that is, on an extension line of the riser ridge portion 22a.

As shown in FIGS. 5 and 6, the rear demacation 24 has a second inclined surface 24a joined to the first inclined surface 27a and a second vertical surface 24b joined to the first vertical surface 27b. ing. Further, the rear demacation 24 has a convex portion 24c that can be fitted into the concave portion 27c of the base portion 27. Although not shown, the upper surface of the rear demacation 24 is provided with a protruding portion that is continuous with the cleat ridge portion 21a when fixed to the base portion 27. Similarly, although not shown, one side surface of the rear demacation 24 is provided with a protruding portion that is continuous with the riser ridge portion 22a when fixed to the base portion 27.

The rear demacation 24 is fixed to the base portion 27 by the fixing screw 28. At the time of fixing the rear demacation 24, the operator first makes the second inclined surface 24a of the rear demacation 24 and the first inclined surface 27a of the base portion 27 face each other. Next, the operator presses the rear demacation 24 against the base portion 27, and joins the second inclined surface 24a of the rear demacation 24 to the first inclined surface 27a of the base portion 27. Further, the operator joins the second vertical surface 24b of the rear demacation 24 to the first vertical surface 27b of the base portion 27.

At this time, the operator fits the convex portion 24c of the rear demacation 24 into the concave portion 27c of the base portion 27. By fitting the convex portion 24c into the concave portion 27c in this way, the rear demacation 24 is positioned.

In this state, the operator inserts the fixing screw 28 into the recess 27c from the inside of the step body 20, screwes the fixing screw 28 into the rear demacation 24, and fixes the rear demacation 24 to the base portion 27. do. In addition, a screw hole into which the fixing screw 28 is inserted may be provided in advance in the convex portion 24c of the rear demacation 24, or the screw hole may be omitted in advance by using a tapping screw as the fixing screw. good.

[Action]
In the passenger conveyor 1 of the present embodiment, the base portion 27 includes a first inclined surface 27a formed between the cleat 21 and the riser 22, and the rear demacation 24 is joined to the first inclined surface 27a. The inclined surface 24a is provided. For this reason, compared to the conventional step in which the corner where the cleat and the riser intersect is relatively sharp, in step 5, when the molten metal is poured into the mold by die casting and molded, the molten metal easily flows to every corner. It will be excellent in sex. As a result, the dimensional accuracy of the base portion 27 can be improved, and problems such as a step on the first inclined surface 27a which is a joint surface with the rear demacation 24 in the base portion 27 can be suppressed. As a result, the rear demacation 24 can be appropriately and accurately incorporated into the base portion 27.

Further, the base portion 27 includes a first vertical surface 27b formed on the cleat 21 side, and the rear demacation 24 includes a second vertical surface 24b to be joined to the first vertical surface 27b. Therefore, the rear demacation 24 has a structure narrow in the step traveling direction, and the tread surface of the cleat 21 can be secured relatively wide in the traveling direction of the step 5. This allows passengers to rest their feet on step 5 with greater peace of mind.

Further, the base portion 27 is provided with a concave portion 27c, and the rear demacation 24 is provided with a convex portion 24c that fits with the concave portion 27c. As a result, when the rear demacation 24 is incorporated into the base portion 27, the rear demacation 24 can be easily positioned by fitting the convex portion 24c into the concave portion 27c. Further, after fixing the rear demacation 24 to the base portion 27, it is possible to prevent the rear demacation 24 from being displaced with respect to the base portion 27. Further, it can sufficiently support the downward load input from the passenger to the rear demacation 24.

Further, by providing the concave portion 27c on the base portion 27 side and the convex portion 24c on the rear side demacation 24 side, the length dimension of the screw hole into which the fixing screw 28 is screwed can be secured to be relatively long. As a result, the mounting strength can be improved, and the rear demacation 24 can be firmly fixed to the base portion 27.

Further, as shown in FIG. 4, the recess 27c provided in the base portion 27 is arranged on the extension line of the riser ridge portion 22a of the riser 22. As a result, a space for forming the recess 27c can be easily secured, and a decrease in the strength of the base portion 27 due to the hole can be suppressed, so that the arrangement is advantageous in terms of strength.

[Modification example]
The steps of the passenger conveyor and the examples of the passenger conveyor of the present invention have been described above, including their actions and effects. However, the steps of the passenger conveyor and the passenger conveyor of the present invention are not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the invention described in the claims. ..

For example, instead of providing a circular hole as the recess 27c provided in the base portion 27, a hole having another shape may be provided. For example, as shown in FIG. 7, the concave portion 27c may be provided with an oblique (diamond-shaped) hole in which the corners are arranged downward. Further, as shown in FIG. 8, the concave portion 27c may be provided with a triangular hole having corners arranged downward. In this case, it is possible to more effectively prevent the rear demacation 24 from shifting in the direction orthogonal to the traveling direction of step 5 due to the shearing force input when the passenger steps on the rear demacation 24. .. The shape of the convex portion 24c provided on the rear demacation 24 may be appropriately changed according to the shape of the concave portion 27c (when a diagonal hole is provided, the convex portion is an oblique portion and a triangular hole is provided. In that case, it should be a convex part of a triangle).

Further, as shown in FIG. 9, instead of the base portion 27 having a first vertical surface 27b formed on the cleat 21 side, the base portion 27 has a third inclined surface 27d formed on the cleat 21 side. May have. The third inclined surface 27d is inclined with respect to the horizontal plane of the cleat 21 so as to be continuous with the first inclined surface 27a without a step, and together with the first inclined surface 27a, the second inclined surface of the rear demacation 24. Form an inclined surface to be joined with 24a. In this case, it is possible to prevent the shearing force input when the passenger steps on the rear demacation 24 from concentrating on the convex portion 24c, and it is possible to reduce the wear of the rear demacation 24.

Further, in the above-described embodiment, the base portion 27 is provided with the concave portion 27c, and the rear demacation 24 is provided with the convex portion 24c that fits with the concave portion 27c. However, the present invention is not limited to this, and a convex portion may be provided on the base portion 27 side and a concave portion may be provided on the rear side demacation 24 side.

Further, in the above-described embodiment, the mode in which the first inclined surface 27a is inclined downward by about 30 degrees with respect to the horizontal plane of the cleat 21 has been described, but the inclination angle of the first inclined surface 27a is the rear side. It can be appropriately set according to the ease of fixing work of the demacation 24, the required mounting strength, and the like.

Further, the number of recesses 27c provided in the base portion 27 can be appropriately set as long as the action of positioning the rear demacation 24 with respect to the base portion 27 can be ensured. For example, the number of recesses 27c may be the same as the number of recesses 22a provided. Further, the recesses 27c may be provided intermittently at a predetermined distance in a direction orthogonal to the traveling direction of step 5.

Further, in the above-described embodiment, the embodiment in which one rear demacation 24 is fixed to the base portion 27 has been described, but the length in the direction orthogonal to the traveling direction of step 5 is shorter than that of the rear demacation 24. The rear demaculations may be arranged in the same direction and fixed to the base portion 27. In this case, at least two convex portions are provided at both ends in a direction orthogonal to the traveling direction of step 5 in each rear demacation, and the base portion 27 has concave portions that fit into the convex portions of each rear demacation. Should be provided.

1 ... passenger conveyor, 2 ... frame, 2a ... upper horizontal frame, 2b ... lower horizontal frame, 2c ... intermediate sprocket frame, 3 ... upper boarding / alighting, 4 ... lower boarding / alighting, steps 5, 6 ... balustrade, 7 ... Moving handrail, 8 ... step chain, 9 ... upper machine room, 10 ... upper terminal sprocket, 11 ... lower machine room, 12 ... lower terminal sprocket, 20 ... step body, 21 ... cleat, 21a ... cleat ridge, 22 ... Riser, 22a ... Riser ridge, 23 ... Main frame, 24 ... Rear demacation, 24a ... Second inclined surface, 24b ... Second vertical surface, 24c ... Convex part, 25 ... Side edge demacation, 26 ... Front side Demacation, 27 ... base part, 27a ... first inclined surface, 27b ... first vertical surface, 27c ... concave, 27d ... third inclined surface

Claims (3)

In a step of a passenger conveyor comprising a cleat having a horizontal plane on which passengers ride and a riser extending downward from one end of the cleat.
A base portion provided at a corner where the cleat and the riser intersect, and a base portion.
With a demacation attached to the base,
The base portion has a first inclined surface that is inclined downward from the cleat side toward the riser side.
The demacation has a second inclined surface to be joined to the first inclined surface.
A concave portion is provided on one of the base portion and the demacation, and a convex portion that fits with the concave portion is provided on the other side of the base portion and the demacation.
The riser has a plurality of ridges extending along the extension direction.
The concave portion or the convex portion provided on the base portion is arranged at a position corresponding to the arrangement position of the ridge portion.
The passenger conveyor step is characterized by that. The base portion has a first vertical plane formed on the cleat side.
The step of a passenger conveyor according to claim 1, wherein the demacation has a second vertical plane joined to the first vertical plane. On a passenger conveyor that transports passengers on steps
The step is a cleat with a horizontal plane on which passengers ride, and
A riser extending downward from one end of the cleat,
A base portion provided at a corner where the cleat and the riser intersect, and a base portion.
With a demacation attached to the base,
The base portion has a first inclined surface that is inclined downward from the cleat side toward the riser side.
The demacation has a second inclined surface to be joined to the first inclined surface.
A concave portion is provided on one of the base portion and the demacation, and a convex portion that fits with the concave portion is provided on the other side of the base portion and the demacation.
The riser has a plurality of ridges extending along the extension direction.
The concave portion or the convex portion provided on the base portion is arranged at a position corresponding to the arrangement position of the ridge portion.
A passenger conveyor characterized by that.

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