JPH06239225A - Entrance door device - Google Patents

Abstract

PURPOSE:To quickly operate opening/closing of doors so as not to be an obstacle for getting on and off in the rush hour or the like, attain decrease of the number of main components and the low cost, and prevent generation of erroneous timing of opening/closing or the like, in an entrance door device provided on the floor face of the platform or the like of a railway vehicle. CONSTITUTION:A pair of guide boxes 2x, 2y to respectively support and guide a pair of doors 4,4 are oppositely arranged through a clearance to be an entrance between both, the entrance door device is constituted so as to close and open the entrance 5 by moving the doors 4, 4 projectingly and retreatingly against the respective guide boxes 2x, 2y, a drive source 9 is only provided on one guide box 2x side, and a link mechanism 15 which interlockingly operates opening/closing of the doors 4,4 of both guide boxes 2x, 2y by the power of the single drive source 9 is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an entrance / exit door device,
In particular, it relates to an entrance / exit door device installed on a platform or the like of a railway vehicle.

[0002]

2. Description of the Related Art In recent years, in order to ensure the safety of passengers on the platform, a protective fence is provided on the platform, and an automatic opening / closing door device is installed on the protective fence. . As an example of this type of door device, for example, there is a single-pull gate door disclosed in Japanese Utility Model Laid-Open No. 4-108800.

In the one-sided gate disclosed in the above publication, a gate pillar and a gate fence are fixedly installed on a floor surface of a platform or the like with a gap of a predetermined size serving as an entrance and exit, and a bracket is provided inside the end of the gate fence. A guide box is attached by using the guide box, and the door is inserted laterally movably between the plurality of upper rollers and the lower rollers attached to the guide box, and the door protrudes from the gate fence side toward the gate pole side. Thus, the doorway is closed and the doorway is opened by retreating.

[0004]

By the way, the above-mentioned one-sided pull-out gate has a structure in which a single door opens and closes the entrance / exit between the gatepost and the gate fence, so that, for example, during a rush hour of a commuter train. When this one-sided gate is installed on a platform where many people get on and off in a short time, it takes time for the door to open the doorway,
This will greatly hinder the smooth passage of passengers and getting on and off.

Further, in order to avoid such problems and reduce the number of main components of this type of door device and reduce the cost, a drive source such as a door engine for automatically opening and closing the door and its The problem is how to arrange the drive mechanism.

The present invention has been made in view of the above circumstances, and in particular, as an entrance / exit door device installed on a platform of a railway vehicle, the door can be quickly opened, which is also a main feature. It is a technical object to provide a door device capable of reducing the number of constituent elements and reducing costs.

[0007]

The feature of the doorway door device according to the present invention made in order to achieve the above-mentioned technical objects is that a pair of guide boxes for supporting and guiding a pair of doors face each other. To form an entrance / exit between the two guide boxes, and to close the entrance / exit when the pair of doors project from the respective guide boxes and open the entrance / exit when the doors move backward. And a drive source is provided only on one guide box side of the pair of guide boxes, and the power of the drive source causes the door of the one guide box and the door of the other guide box to interlock with each other. This is where a connecting mechanism for projecting and retracting is provided.

[0008]

According to the above means, the door is closed and opened by the pair of doors protruding and retracting from both sides of the door formed between the pair of guide boxes. Therefore, the doors can be opened and closed quickly even on the platform during rush hour, so that passengers can pass through smoothly.

Further, the pair of doors are made to project and retreat by a drive source provided only on one guide box side, and both operations are performed in conjunction with each other via a coupling mechanism. Therefore, it suffices to install only one drive source, which is a main component, and the opening / closing operations of the two doors can be reliably synchronized.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an entrance / exit door device according to the present invention will be described below with reference to the drawings. 1 is a front view showing a state after installation of the entrance / exit door apparatus 1, FIG. 2 is a front view showing an internal state of one guide box 2x, and FIG. 3 is an internal state of the other guide box 2y. The front view and FIG. 4 are enlarged vertical side views showing the internal state of the one guide box 2x.

As shown in FIG. 1, the entrance / exit door apparatus 1 has a pair of left and right guide boxes 2x and 2y, and these guide boxes 2x and 2y are erected on the floor surface 3a of the platform 3. . The doors 4 and 4 housed in the two guide boxes 2x and 2y project and move as shown by the solid lines to close the doorway 5 formed between the two boxes 2x and 2y, while the doors 4 and 4y are closed. When the passengers 4 and 4 move backward as indicated by the symbol A, the entrance / exit 5 is opened. Protective fences 6, 6 are provided in parallel on both sides of the doorway device 1.

As shown in FIG. 2, one guide box
A support rail 7 that supports the upper portion of the end portion of the door 4 on the side opposite to the protrusion and a steady rest rail 8 that guides the lower portion of the same end portion of the door 4 are mounted inside the 2x. A drive source (door engine) 9 for moving the door 4 along the rails 7 and 8 at the lower end of one side (door anti-projecting side) in the guide box 2x, and automatic opening / closing operation of the door 4 And a controller 10 for controlling the.

In the support structure of the door 4 with respect to the support rail 7, two slide blocks 11 and 11 are fixed above the end of the door 4 on the side opposite to the projection side.
The concavo-convex portion formed on the inner side surface of 1 and the concavo-convex portion formed on the outer side surface of the support rail 7 are engaged and slidable (see FIG. 4). Incidentally, the slide block
The engaging portions 11 and 11 have a plurality of infinitely circulating small-diameter balls (not shown), and the slide blocks 11 and 11 and the support rail 7 are in contact with each other through the small-diameter balls. .

Further, as shown in FIG. 2, two steady rest blocks 12 and 12 are fixed below the end of the door 4 on the side opposite to the projection corresponding to the positions where the slide blocks 11 and 11 are arranged. Therefore, the uneven portion formed on the lower surface of the steady blocks 12 and 12 and the uneven portion formed on the upper surface of the steady rail 8 are engaged with each other to prevent the swing of the door 4 during movement. (See FIG. 4).

As shown in FIG. 3, the other guide box
Similarly to 2y, a support rail 7 and a steady rail 8 for supporting and guiding the door 4, slide blocks 11 and 11 above the door 4 engaged with the rails 7 and 8 and a slide block below the door 4 are also provided. Although the steady rest blocks 12 and 12 are provided, a drive source and a controller do not exist in the other guide box 2y.

As shown in FIG. 4, the one guide box 2x (as well as the other guide box 2y) has a rectangular box-shaped portion 2a at the lower end and an inverted U-shaped roof-shaped portion 2b at the upper end. The right side (vehicle stop position side) in the middle is open. An opening 2c is formed in the left side surface of the guide box 2x (side surface on the passenger waiting position side), and the tempered glass (or transparent plastic) 2d is fitted into the opening 2c. ing. And
The door 4 is a door having frame members 4b and 4c only at the upper and lower ends of the tempered glass (or transparent plastic) 4a, and therefore, the front side of both the vehicle stop position side and the passenger waiting position side of this guide box 2x. Consideration is given so that the can be seen through.

As shown in FIG. 1, both guide boxes
2x and 2y are installed on the platform 3 and cover both ends of the upper surface of the communication box 2w which is embedded in the platform 3 and has an open top. It should be noted that the lid 13 covers the opening on the upper surface of the central portion of the connecting box 2w which is a passage sandwiched between the guide boxes 2x and 2y. And
The top surface of the lid 13 and the floor surface 3a of the platform 3 are flush with each other.

Further, a connecting mechanism 15 for interlocking the opening and closing operations of both doors 4, 4 is provided at a position from below the one guide box 2x to below the other guide box 2y through the connecting box 2w. It has been deployed. The connecting mechanism 15 is wound around a drive pulley 16 that is rotated by the power of the drive source 9 in one guide box 2x, a space in the connecting box 2w, and a driven pulley 17 in the other guide box 2y. A winding transmission member (18) made of a chain, a timing belt or the like, and a direction changing pulley (19) for bending and guiding the winding transmission member (18).

The lower end of the door 4 in the one guide box 2x is connected to the forward-moving side portion 18a of the winding transmission member 18 via a door bracket 20 (see FIG. 2). The lower end of the door 4 in the other guide box 2y is connected to the reverse movement side portion 18b of the transmission member 18 via the door bracket 21 (see FIG. 3). Therefore, by the power of the single drive source 9 installed only in one guide box 2x, the doors 4, 4 of both guide boxes 2x, 2y synchronously move toward and away from each other.

The entrance / exit door device 1 in this embodiment
In a manufacturing plant or the like, the support rail 7, the steady rail 8 and the door 4 are respectively installed in the guide boxes 2x and 2y, and the connecting mechanism 15 is provided across both guide boxes 2x and 2y. The drive source 9 is installed only in one of the guide boxes 2x and is unitized in advance. The unitized product is transported to the construction site and installed in the state shown in FIG.

Further, in this embodiment, both doors 4,
The connecting box 2w embedded in the platform 3 is used as the disposing position of the connecting mechanism 15 that interlocks the opening / closing operation of the guide box 4. However, instead of this, both guide boxes 2w are used.
A connecting box may be attached above x and 2y, and the same connecting mechanism 15 as described above may be arranged above the doors 4 and 4 by using this connecting box.

[0022]

As described above, according to the entrance / exit door device of the present invention, the pair of doors protrude and retract from the pair of guide boxes that are arranged to face each other. Since the entrance and exit will be closed and opened, there will be no delay in the opening and closing operation unlike the conventional one-way gate, and the opening and closing operation of the door will be performed promptly even on the platform during rush time, and passengers will be In addition to being able to pass through smoothly, this pair of doors is projected and retracted by a drive source provided only on one guide box side, and both operations are interlocked via a coupling mechanism. Since the drive source, which is the main component, does not need to be installed in each guide box, the number of installations is reduced, and the opening and closing operations of the two doors are accurately synchronized. Will be, deviation does not occur in the automatic opening and closing timing.

[Brief description of drawings]

FIG. 1 is a front view showing a state after construction of an entrance / exit door device according to an embodiment of the present invention.

FIG. 2 is a front view showing an internal state of one guide box of the doorway apparatus according to the embodiment.

FIG. 3 is a front view showing the internal state of the other guide box of the doorway device according to the embodiment.

FIG. 4 is an enlarged vertical cross-sectional side view showing an internal state of one guide box of the doorway apparatus according to the embodiment.

[Explanation of symbols] 1 Doorway door device 2x One guide box 2y Other guide box 3a Floor 4 Door 5 Doorway 9 Drive source 15 Connection mechanism

Claims (1)

[Claims] 1. A pair of guide boxes for supporting and guiding a pair of doors are arranged so as to face each other, and an entrance / exit is formed between the two guide boxes, so that the pair of doors project from the respective guide boxes. It is configured to close the entrance / exit when opening, and open the entrance / exit when retracting, and provide a drive source only on one guide box side of the pair of guide boxes, According to the present invention, there is provided an entrance / exit door device, characterized in that a connecting mechanism for causing the door of the one guide box and the door of the other guide box to interlock with each other to project and move backward.