JPH101278A - Safety device for passenger conveyor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a safety device for a passenger conveyor which has both of safety functions, i.e., protection of passenger shoes and the like at a position where steps move along an inclined way, and protection of shopping carts or the like during the getting on and off at a portion where the steps move on a horizontal way near the boarding entrance. SOLUTION: A safety device 11, located on the inclined way of steps 1 and in a position below the upper surfaces of the steps 1 to stop a passenger conveyor if exerted with a certain external force from the steps, detects high external forces of about 10 to 15kgf to cope with such accidents that hard materials like passenger shoes are caught in the steps. A safety device 13 is located on a horizontal way near the boarding entrance 2 and in a position above the steps 1, where it is at almost the same height as the frame of a shopping cart to detect collision itself with a shopping cart frame, thereby detecting low external forces of about 3 to 10kgf, which are less than the external forces detectable by the safety device 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a passenger conveyor such as an escalator and an electric road, and more particularly to a safety device suitable for using a shopping cart on an escalator.

[0002]

2. Description of the Related Art A safety device around a step of a passenger conveyor has been disclosed in Japanese Patent Application Laid-Open No. 63-315485.

[0003]

This prior art has a structure in which an external force generated from a step side on a slope of a step running path is detected by a safety device on the back side of a skirt guard. It does not mention the safety device when using a shopping cart or the like on an escalator, and does not intend to use this kind of state.

An object of the present invention is to provide a protection measure for passengers' shoes when the step moves on a ramp, and a protection measure for getting on and off a shopping cart when the step moves on a horizontal road near the entrance. An object of the present invention is to provide a passenger conveyor safety device having a safety function.

[0005]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a safety device for stopping the operation of a passenger conveyor by detecting an external force applied to a skirt guard from a step side, and positioning the safety device below a step upper surface of a ramp of the step. A first safety device, and a second safety device disposed above the step on the horizontal road near the entrance and exit and disposed on the horizontal road. A detection external force that is smaller than a detection external force of the first safety device disposed on the slope while having a detection piece that has a mounting height substantially equal to the height of the frame of the cart or the like and protrudes from the skirt guard surface toward the step side. Is set.

As described above, the first safety device which is located below the upper surface of the step on the ramp of the step and stops the passenger conveyor by receiving a constant external force from the step side is a conventional shoe for passengers. In this case, it is set to detect a high external force of about 10 to 15 kgf. On the other hand, the second safety device located above the step on the horizontal road near the entrance / exit detects a collision in a certain length range of the frame of a shopping cart or baby carriage coming at a certain height from the top of the step. For example, low external force of, for example, 3 to 10 kgf or less is reliably detected, and is effective in preventing various troubles due to poor orientation of the vehicle frame near the entrance / exit (diagonally or sideways with respect to the entrance / exit comb). I do.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view of a main part showing an embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along line AA of FIG. In FIG. 1, step 1 is for one of the entrance 2 and the comb 3
From the horizontal path 2A (corresponding to the step 1A in FIG. 1) of the entrance 2 to the ramp 2B (in FIG. 1). (Corresponding to step 1B).
On both sides of Step 1, upright balustrade 4 and balustrade panel 5 which constitutes it, inner deck cover 6, skirt guard 7
The handrail 8 is hung on the periphery of the balustrade 4 and moves along with the step 1.
Here, on the back side of the skirt guard 7 of the ramp 2B, as shown in FIG.
The upper base 9 and the lower base 10, which are structures that resist when a shoe is sandwiched between the upper and lower shoes, are provided with a mounting interval ha. The gap g between the back of the skirt guard 7 and
The safety device 11 is fixedly mounted on its support 12 with a space therebetween. On the other hand, at a position above the step 1A of the horizontal road 2A near the entrance 2 as shown in FIG. 3, which is a cross-sectional view along the line BB in FIG. When a collision occurs with the skirt guard 7 in order to get in or out of the skirt guard 7, an external force (arrow Y) is slightly projected from the surface of the skirt guard 7 to the step 1 side. Although the detailed structure is omitted, it is attached to the skirt guard 7 so as not to come off.) The second safety device 13 which detects in response to the retreat amount is an extension structure of both reinforcements, and has an upper base 9A and a lower structure. It is provided within the mounting interval of the side base 10A, and is fixedly disposed on the support 14 with a gap gb from the back surface of the skirt guard 7. Note that the detection piece 13A and the safety device 13 are located at a position of height hb from step 1, which has a mounting height substantially matching the frame height of the shopping cart or the like. It is configured to detect an external force when the vehicle frame is directly touched.

Here, the safety device 11 on the slope 2B in FIG. 2 is a gap ga with the back surface of the skirt guard 7, whereas the safety device 13 on the horizontal road 2A in FIG. Is gb, and both gaps are ga> gb
For example, the first safety device 11 is 10-15
If a high external force of about kgf is to be detected, the safety device 1
3 is set to detect a low external force of 3 to 10 kgf or less. For this reason, a high detection value is set for a high external force when a hard object such as shoes is sandwiched, and it is difficult to detect when a passenger kicks the skirt guard 7, and the operation is unnecessarily stopped. Can be avoided. Further, since the safety device 13 is located at a high position where shoes are not pinched and it is within the range of getting on and off and it is difficult to kick the skirt guard 7, detection of a low external force may be performed. Can be directly and sensitively detected within a certain length range.

[0009]

According to the present invention, a protective measure such as a passenger's shoes is provided at a position where a step moves on an inclined road, and a protective measure at the time of stepping on and off a shopping cart is used at a position where a step moves on a horizontal road near an entrance. There is an advantage that a safety device for a passenger conveyor having both safety functions can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG. 1;

FIG. 3 is a sectional view taken along the line BB of FIG. 1;

[Explanation of symbols]

1, 1A, 1B ... step, 2 ... one entrance, 3 ... com, 4 ... balustrade, 7 ... skirt guard, 9, 9A ... upper base, 10, 10A ... lower base, 11, 13 ... safety device, 13A: detection piece.

Claims (1)

[Claims] An endlessly connected step of moving a horizontal road and a ramp between one entrance and another entrance and exit, and a balustrade standing upright on both sides of the step and an upper base for fixing a skirt guard. The lower base, located within the vertical space between the upper base and the lower base, behind the skirt guard, detects an external force applied to the skirt guard from the step side, and stops the operation of the passenger conveyor. In a vehicle equipped with a safety device, a first safety device is provided at a position below an upper surface of the step on the ramp of the step, and a frame of a shopping cart is provided at a position above the step on a horizontal road near the entrance / exit. A second safety device having a detection piece projecting from the skirt guard surface to the step side at a position substantially coincident with the height is disposed, and the second safety device disposed on the horizontal path is disposed. Location, the safety device of a passenger conveyor, characterized in that it is set to a smaller sensing external force than the detection force of the inclined path arranged the first safety device.