JP6967361B2 - Escalator step - Google Patents

Description

The present invention relates to the steps of an escalator.

Conventionally, demacation cleats have been attached to both ends in the left-right direction toward the traveling direction of the steps of the escalator. The demacation cleat is formed of, for example, a short comb-teeth shape made of resin, and is fixed to both ends of the step in the left-right direction by screwing or the like. The demacation cleats are colored in a prominent color such as yellow that attracts the attention of escalator users. Such demacation cleats alert the user not to put his foot on the left-right edge. Such alerting is necessary to prevent the hem of clothes such as the user's skirt or shoes from being caught in the gap between the step and the skirt guard next to the step.

Patent Document 1 describes that two groove portions facing each other are formed near the bottoms of a plurality of cleat grooves in a step of an escalator, and a thin plate-shaped display body is fitted into the groove portions. The plurality of mounted display bodies are integrated to display characters on the tread board.

In Patent Document 2, a sticker printed with an advertisement display made up of characters, figures, symbols, or a combination thereof can be attached to the wall surface of a plurality of cleat grooves in the step of an escalator by dividing it in the left-right direction. Have been described.

Japanese Unexamined Patent Publication No. 2008-179441 Japanese Unexamined Patent Publication No. 2006-56667

As mentioned above, the demacation cleat alerts the user not to put his foot on the left-right end of the step, but the effect is not yet sufficient. Therefore, a means having a higher effect of calling attention is desired. None of the techniques described in Patent Documents 1 and 2 alert the user not to put his foot on the end of the step.

An object of the present invention is to provide a structure that can be easily realized from an existing step in an escalator step and that can enhance the effect of calling attention to a user at the left-right end of the step.

The step of the escalator according to the present invention is a step of an escalator that circulates and moves in a state where a plurality of steps are connected in an endless manner, and at least a part of the steps is a step on which a user rides and is in the left-right direction. A tread plate having a plurality of tread plate cleat grooves formed alongside each other along the traveling direction, a riser which is a rising portion connected to one end of the tread plate in the traveling direction, and a warning display unit arranged in the tread plate cleat groove. And the battery attached to the step, the warning display unit includes a long thin plate-shaped substrate fitted in the tread cleat groove at the left-right end portion, and the battery attached to the upper part of the substrate. It has a plurality of light units to which electric power is supplied, and the user is alerted by lighting or blinking the plurality of light units.

According to the step of the escalator according to the present invention, it can be easily realized from the existing step, and the effect of calling attention to the user at the left-right end of the step can be enhanced.

It is a schematic sectional drawing which shows an example of the escalator to which the step of the embodiment of this invention is applied. It is a perspective view which shows the position which attaches the warning display part in one step of embodiment. In the embodiment, it is a view (a) when the tread plate constituting the step is seen from above, and the enlarged view (b) of the part A of (a). In the embodiment, it is a figure seen in the direction of arrow B of FIG. 2 which shows the state which the warning display part was attached to the step. It is a perspective view which shows the warning display device in embodiment. In the embodiment, it is a figure which shows one example of the lighting order of a plurality of light parts of a warning display part.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings. The shapes, numbers, etc. described below are examples for explanation and can be changed according to the specifications of the escalator including the steps. Hereinafter, similar configurations will be described with the same reference numerals.

FIG. 1 is a schematic cross-sectional view showing an example of an escalator 10 to which the step 30 of the embodiment is applied. The escalator 10 includes a truss 12, a transfer means 20, and a plurality of steps 30. The truss 12 is a structural portion that supports other members and constitutes a basic portion of the escalator 10. The transfer means 20 is provided inside the truss 12 and circulates the plurality of steps 30 in one direction. The balustrades 14 including the skirt guard 17 are arranged on both sides of the plurality of steps 30 in the left-right direction (front and back directions of the paper surface of FIG. 1).

The transfer means 20 includes a drive mechanism 21 and an escalator drive device 25. The drive mechanism 21 has a chain 22 which is an endless connecting member and two sprockets 23 and 24 arranged at the upper end and the lower end of the escalator, and the chain 22 is hung on the two sprockets 23 and 24. .. The escalator drive device 25 includes a motor and drives the drive mechanism 21 described above. In the following, the case where the escalator raises the user from the lower floor to the upper floor and the user in the direction of the arrow α in FIG. 1 will be described, but the escalator lowers the user from the upper floor to the lower floor. It may be configured.

FIG. 2 is a perspective view showing a position where a warning display unit is attached on one step 30. FIG. 3A is a view of the tread plate 33 constituting the step 30 from above, and FIG. 3B is an enlarged view of part A of FIG. 3A. FIG. 4 is a view seen in the direction of arrow B in FIG. 2, showing a state in which the warning display unit 41 is attached to the step 30.

As shown in FIG. 2, each step 30 is abbreviated as being connected to a tread plate 33, a riser 38 connected to one end in the traveling direction of the tread plate 33 (right end in FIG. 2), and both ends of the tread plate 33 and the riser 38 in the left-right direction. Includes a triangular side plate 30a. Here, the left-right direction means the left-right direction when the user on the escalator heads in the traveling direction. The tread plate 33 is for the user to ride on, and as shown in FIGS. 3 and 4, the tread plate 33 has a plurality of tread plate cleat grooves 34 formed along the traveling direction side by side in the left-right direction on the upper surface. On the upper surface of the tread plate 33, a plurality of long tread plate comb teeth 35, 35a protruding upward and long in the traveling direction are formed side by side in the left-right direction. The tread cleat groove 34 is composed of two adjacent tread comb teeth 35, 35a and a bottom surface between the two tread comb teeth 35, 35a.

The tread plate 33 has a tread plate main body 33a made of a metal such as iron or an aluminum alloy, and a demacation cleat 37 fixed to both ends of the tread plate main body 33a in the left-right direction. The demacation cleat 37 is made of resin and is fixed to both ends of the tread plate main body 33a in the left-right direction by screwing. The plurality of tread comb teeth 35a are formed on the upper surface of the demacation cleat 37. On the other hand, the plurality of tread plate comb teeth 35 are formed on the upper surface of the tread plate main body 33a. The demacation cleat 37 is colored in a conspicuous color such as yellow. FIG. 3 shows a portion that can be seen from above the demacation cleat 37 by the shaded portion. This alerts the user not to get on the left-right end of the step 30.

A demacation com 36, which is a warning portion colored in a conspicuous color such as yellow, is also provided on the long side portion on the tread plate 33 opposite to the riser 38. In FIG. 3, the demacation com 36 is shown by the diagonal grid portion.

A warning display unit 41 constituting the warning display device 40 is fixed to the outer end portion of the demacation cleat 37 located at the left-right end portion of the step 30 in the left-right direction. The warning display unit 41 includes a plurality of light units 42, and the lighting or blinking of each light unit 42 further alerts the user not to get on the left-right end of the step. In FIG. 2, a warning display unit 41 is arranged at least at least a part of both ends in the left-right direction indicated by the shaded portion β on the tread 33. Further, a solar cell 50 (FIGS. 4 and 5), which will be described later, which is a power source for the warning display unit 41, is arranged at least a part of both ends in the left-right direction indicated by the shaded portion γ of the riser 38. The warning display device 40 will be described in detail later.

As shown in FIG. 2, the riser 38 is a rising portion connected to one end of the tread plate 33 in the traveling direction. As shown in FIG. 4, a plurality of long riser comb teeth 39a protruding laterally and long in the rising direction (vertical direction in FIG. 4) are formed on the side surface of the riser 38 side by side in the left-right direction. The riser cleat groove 39b is formed by the two adjacent riser comb teeth 39a and the bottom surface between the two riser comb teeth 39a. As a result, the riser 38 has a plurality of riser cleat grooves 39b arranged in the left-right direction, and each riser cleat groove 39b is formed along the rising direction.

Further, as shown in FIG. 4, among the plurality of riser cleat grooves 39b, the solar cells 50 constituting the warning display devices 40 arranged at both ends in the left-right direction are fitted into the riser cleat grooves 39b at both ends in the left-right direction. There is.

Returning to FIG. 2, a step shaft 31 extending in the left-right direction (left-right direction in FIG. 2) is supported on the step 30 through the side plates 30a at both ends in the left-right direction. The step shafts 31 in the plurality of steps 30 are connected to the chain 22, and the plurality of steps 30 are connected endlessly via the chain 22. First guide rollers 32 are rotatably attached to both ends of each step shaft 31 in the left-right direction. The first guide roller 32 moves along the first rails 13a and 13b arranged vertically apart on both the left and right sides of the plurality of steps 30 in the truss 12 (FIG. 1). In FIG. 1, the escalator 10 is for ascending, the step 30 rises on the upper first rail 13a side, and the step 30 descends on the lower first rail 13b side.

Returning to FIG. 1, the escalator drive device 25 drives the upper sprocket 23 by driving a motor arranged near the upper floor, and circulates and moves the chain 22 hung there in one direction. As a result, the escalator drive device 25 circulates and moves the step 30 connected to the chain 22 in one direction. The drive of the motor is controlled by an escalator control device (not shown).

Next, the warning display device 40 will be described with reference to FIGS. 5 to 7 with reference to FIGS. 2 to 4 above. FIG. 5 is a perspective view showing the warning display device 40. The warning display device 40 includes a warning display unit 41 and a solar cell 50 as a battery connected to the warning display unit 41 by a cable 46. Further, the warning display unit 41 has a substrate 43 and a plurality of light units 42. The substrate 43 has a long thin plate shape, and is fitted into the tread cleat groove 34 at the left-right end portion (for example, the outermost end) of the tread plate 33. The plurality of light portions 42 are attached to the upper part of the substrate 43 in a row at intervals in a straight line. The light unit 42 is, for example, an LED (light emitting diode). The light portion 42 may be a light bulb or the like. The light unit 42 emits light in a color that is conspicuous to the user, such as yellow or orange. The color of the substrate 43 is not limited, but it may be the same color as the demacation cleat 37 (for example, yellow) and may be a color that stands out to the user. Such a warning display unit 41 may be called a line display.

Holes 44 (FIG. 5) are formed at both ends of the board 43 of the warning display unit 41 in the longitudinal direction, and the warning display unit 41 is fixed to the tread 33 by screws 45 (FIG. 3) inserted into the holes 44. ..

The solar cell 50 is formed in the shape of a long thin plate. The solar cell 50 includes, for example, a photoelectric conversion unit that converts light energy into electrical energy, and protective substrates arranged on both sides of the photoelectric conversion unit. The electric power generated by receiving the light from the solar cell 50 is supplied to the warning display unit 41 via the cable 46. The warning display unit 41 calls attention to the user by supplying the electric power to each light unit 42 to light or blink each light unit 42.

The width of the warning display unit 41 and the solar cell 50 in the left-right direction is, for example, 3 to 5 mm, which is the same as or slightly smaller than the width of the inner surface of the tread plate cleat groove 34 or the riser cleat groove 39b, respectively. The warning display unit 41 is fitted and fixed in the tread plate cleat groove 34 at the end in the left-right direction. At this time, the screw 45 (FIG. 3) penetrates through the through hole (not shown) of the demacation cleat 37 and the hole 44 of the substrate 43 of the warning display unit 41. Then, the screw 45 is coupled to a screw hole (not shown) of the tread plate main body 33a for fixing the demacation cleat 37 to the tread plate main body 33a. As a result, the substrate 43 is fixed to the bottom of the tread plate cleat groove 34 by screwing. Therefore, the warning display unit 41 can be easily attached to the existing tread plate 33 having the demacation cleat 37. At this time, the solar cell 50 is attached to the step 30 by being fitted and fixed in the riser cleat groove 39b at the end in the left-right direction. The solar cell 50 may be fixed to the bottom of the riser cleat groove 39b with double-sided tape.

The substrate 43 of the warning display unit 41 is not limited to the one fixed to the bottom of the tread cleat groove 34 by screwing, and the substrate 43 may be fixed to the bottom of the tread cleat groove 34 by, for example, double-sided tape.

Further, when power is supplied from the solar cell 50, the warning display unit 41 blinks a plurality of light units 42 at the same time by using, for example, an oscillation circuit unit (not shown), a control unit composed of an IC chip, or the like. It is configured to make it blink or blink at different times. For example, the oscillation circuit unit has a semiconductor switch such as a transistor, and a capacitor and a resistor connected to the semiconductor switch. Further, by connecting a control unit between the solar cell and the plurality of light units 42 and sequentially outputting pulse signals from the control unit to the plurality of light units 42, the plurality of light units are sequentially blinked. It can also be configured. Further, a semiconductor switch may be connected between the plurality of light units 42 and the solar cell 50, and the on / off state of the semiconductor switch may be controlled by the control unit. Circuits such as an oscillation circuit unit and a control unit may be arranged on the substrate 43, for example.

FIG. 6 is a diagram showing an example of the lighting order of the plurality of light units 42 of the warning display unit 41. As shown in FIG. 6, the plurality of light portions 42 may be configured to gradually blink from one end (lower end of FIG. 6) to the other end (upper end of FIG. 6) in the traveling direction.

According to the above-mentioned step 30, since the warning display device 40 can be easily attached to the existing step, it can be easily realized from the existing step, and attention to the user at the left-right end of the step 30. The effect of arousal can be increased. In particular, the blinking of the light unit 42 can further enhance the effect of alerting the user.

Further, by using the solar cell 50 as the power source of the warning display device 40, the frequency of battery replacement of the warning display device 40 can be reduced. As a result, the cost required for repairing and inspecting the warning display device 40 can be reduced. Further, since the battery is used as the power source, it is possible to easily secure the power supply means for the warning display device that circulates and moves by the step 30, unlike the case where the power is supplied to the warning display device from the outside of the step 30.

In the embodiment, the blinking pattern when the light unit 42 is blinked is not limited to the pattern shown in FIG. For example, the plurality of light units 42 may be blinked in order from the other end to the one end in the traveling direction, or may be randomly blinked by a control unit using a random number generator.

Further, although the case where the solar cell 50 is used as the battery has been described above, the battery may be a battery unit including a dry battery housed in a case.

Further, although the warning display device 40 can be attached to each step 30 as described above, the warning display device may be attached only to a part of the steps of the plurality of steps 30. For example, the warning display device may be attached only to every other step 30 among the plurality of steps 30.

10 escalators, 12 trusses, 13a, 13b drive rails, 14 balustrades, 17 skirt guards, 20 transport means, 21 drive mechanisms, 22 chains, 23, 24 sprockets, 25 escalator drives, 30 steps, 31 step shafts, 32 first Guide roller, 33 tread plate, 33a tread plate body, 34 tread plate cleat groove, 35, 35a tread plate comb tooth, 36 demacation com, 37 demacation cleat, 38 riser, 39a riser comb tooth, 39b riser cleat groove, 40 warning display device, 41 Warning display, 42 Light, 43 Board, 44 holes, 45 screws, 46 cables, 50 solar cells.

Claims (7)

It is an escalator step that circulates in a state where multiple steps are connected in an endless manner.
At least a part of the treads is a tread on which the user rides, and is connected to a tread having a plurality of tread cleat grooves formed along the traveling direction side by side in the left-right direction and one end of the tread in the traveling direction. It includes a riser which is a rising portion, a warning display portion arranged in the tread cleat groove, and a battery attached to the tread.
The tread has a tread body and a demacation cleat that is screwed to the left-right end of the tread body and is formed of resin.
The warning display unit includes a long thin plate-shaped substrate fitted in the tread plate cleat groove at the left-right end portion, and a plurality of light units attached to the upper part of the substrate and supplied with power by the battery. Then, the user is alerted by turning on or blinking the plurality of lights.
The tread cleat groove at the left-right end portion where the warning display portion is arranged is a groove formed in the demacation cleat .
A through hole is formed in the groove formed in the demacation cleat on which the warning display portion is arranged, and the through hole and the screw penetrating the substrate are coupled to the screw hole formed in the tread body. By doing so, the demaculation cleat and the substrate are fixed to the tread body.
Steps on the escalator. In the step of the escalator according to claim 1.
The riser has a plurality of riser cleat grooves formed along the rising direction side by side in the left-right direction.
The battery is an escalator step that is fitted into the riser cleat groove at the left-right end. In the step of the escalator according to claim 2.
The battery is a step of an escalator, which is a long thin plate-shaped solar cell. In the step of the escalator according to any one of claims 1 to 3.
Wherein the plurality of write unit is mounted aligned linearly on top of the substrate, the escalator footstep. In the step of the escalator according to claim 4.
The warning display unit is an escalator step that is configured to blink the plurality of light units simultaneously or at different times. It is an escalator step that circulates in a state where multiple steps are connected in an endless manner.
At least a part of the treads is a tread on which the user rides, and is connected to a tread having a plurality of tread cleat grooves formed along the traveling direction side by side in the left-right direction and one end of the tread in the traveling direction. It includes a riser which is a rising portion, a warning display portion arranged in the tread cleat groove, and a battery attached to the tread.
The warning display unit includes a long thin plate-shaped substrate fitted in the tread plate cleat groove at the left-right end portion, and a plurality of light units attached to the upper part of the substrate and supplied with power by the battery. Then, the user is alerted by turning on or blinking the plurality of lights.
The riser has a plurality of riser cleat grooves formed along the rising direction side by side in the left-right direction.
The battery is an escalator step that is fitted into the riser cleat groove at the left-right end. In the step of the escalator according to claim 6.
The battery is a step of an escalator, which is a long thin plate-shaped solar cell.

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