JP2021120269A - Sliding door opening/closing device - Google Patents

Abstract

To provide a sliding door opening/closing device capable of preventing a hand, a body, or luggage of a passenger from being drawn into a gap by eliminating the bap between a sliding door and a door pocket and suppressing the cost with a simple structure.SOLUTION: A sliding door opening/closing device 10 including a sliding door 1 and a door pocket 5 for housing the sliding door 1 installed on a vehicle, includes a sheet 2 for enclosing the sliding door 1 such that an upper part and a lower part of the sliding door 1 is opened to form a ring shape. The sheet 2 is mounted on the door pocket 5 inside the vehicle at a position where the sliding door 1 is housed in the door pocket 5.SELECTED DRAWING: Figure 1

Description

The present invention relates to a sliding door opening / closing device that prevents a hand, body, luggage, etc. from being pulled in by a sliding door installed in a vehicle such as a train.

Conventionally, sliding doors that open and close on one side or both sides are installed at the entrances and exits of vehicles such as trains, and when the entrances and exits are opened, the sliding doors slide along the slide rails installed at the top and are stored in the door pocket. Most of them have a structure. When the sliding door slides and is stored in the door pocket, if the passenger is touching the sliding door, or if the passenger's hand, body, or luggage is pressed against the sliding door due to congestion, the hand should be placed in the gap between the sliding door and the door pocket. In some cases, the body, luggage, etc. were drawn in, resulting in unexpected injuries or damage to the luggage. In addition, the train operation may be delayed in order to take measures such as pulling out the pulled-in hands and luggage.

As a technique for solving such a problem, a technique for installing a rotating mechanism including a cylindrical roller or an endless type moving belt for actively removing hands and luggage on a sliding door is disclosed (see Patent Document 1). .. Such a technique is to pull a hand or luggage into the door pocket by rotating a cylindrical roller or an endless moving belt in the direction opposite to the direction in which the sliding door is pulled in, that is, in the direction in which the hand or luggage is discharged from the door pocket. Is to prevent.

Japanese Unexamined Patent Publication No. 2008-150786

However, the technique described in Patent Document 1 has a structure in which a cylindrical roller or an endless type moving belt is installed in a sliding door, and since the sliding door and the door pocket are separated, even if such a structure is adopted, the sliding door There was a possibility that a gap would be created in the door pocket. Therefore, it was not possible to completely eliminate the risk of hands and luggage being pulled into the door pocket by some means. Further, since a drive mechanism is required for the rotation of the cylindrical roller or the endless type moving belt, there is a problem that the structure of the device is complicated and costly.

The present invention has been made in view of the above, and it is possible to eliminate the gap between the sliding door and the door pocket, prevent passengers' hands and luggage from being drawn in, and open and close the sliding door with a simple mechanism to reduce the cost. The purpose is to provide the device.

In order to solve the above-mentioned problems and achieve the object, the present invention has a sliding door opening / closing device including a sliding door installed in a vehicle and a door pocket for storing the sliding door so that the upper and lower parts of the sliding door are vacant rings. A seat for wrapping the sliding door is provided, and the seat is characterized in that the sliding door is stored in the door pocket and is attached to the door pocket inside the vehicle.

According to the present invention, a seat is provided for wrapping the sliding door so that the upper and lower portions of the sliding door are vacant rings, and the seat is attached to the door pocket inside the vehicle at the position where the sliding door is stored in the door pocket. Since the gap between the sliding door and the door pocket inside the vehicle can be eliminated, the effect of preventing the passenger's hand, body, and luggage from being drawn in is achieved. In addition, since it is a simple mechanism, it has the effect of reducing the cost of installing the device.

This is an example of a cross-sectional view of the sliding door opening / closing device 10 according to the first embodiment when the sliding door opening / closing device 10 is closed. This is an example of an elevation view showing the structure of the sliding door opening / closing device 10 according to the first embodiment. This is an example of a cross-sectional view of the sliding door opening / closing device 10 according to the first embodiment when the sliding door opening / closing device 10 is opened. This is an example of an explanatory diagram of the sliding door opening / closing device 20 according to the second embodiment.

Hereinafter, embodiments of the sliding door opening / closing device according to the present invention will be described in detail with reference to the accompanying drawings. The examples shown below are examples of embodiments of the present invention, and the present invention is not limited to these examples.

FIG. 1 is an example of a cross-sectional view of the sliding door opening / closing device 10 according to the first embodiment when the sliding door opening / closing device 10 is closed. As shown in FIG. 1, the sliding door opening / closing device 10 includes a sliding door 1 installed at an entrance / exit of a vehicle, a seat 2, a guide roller 3, a tension roller 4, a door pocket 5, and a sliding door sliding portion 6.

The seat 2 wraps the sliding door 1, the guide roller 3, and the tension roller 4 so as to form an empty ring at the upper and lower parts of the sliding door 1, and the sliding door 1 is stored in the door pocket 5 and inside the vehicle. It is fixed to the door pocket 5 with a sliding door retracting portion 6 (hereinafter referred to as a sliding door retracting portion 6). The sliding door retracting portion 6 shown in FIG. 1 is drawn with a little thickness, but if the sheet 2 can be fixed to the door pocket 5 without any trouble, the sheet is as thin as possible, has no step with the door pocket 5, and fits in the door pocket 5. It is desirable to fix 2. The guide roller 3 guides the movement of the seat 2 so that the seat 2 moves smoothly on the sliding door 1. The tension roller 4 applies an appropriate tension to the seat 2 and guides the movement of the seat 2 in order to give tension to the seat 2. The door pocket 5 stores the sliding door 1 that moves along a slide rail or the like installed on the upper portion of the sliding door 1. The sliding door retracting portion 6 indicates a portion where the sheet 2 is attached to the door pocket 5. Although the sliding door retracting portion 6 is provided inside the vehicle in FIG. 1, if there is no gap between the sliding door 1 and the door pocket 5, it can be stored in the door pocket 5 or both inside the vehicle and in the door pocket 5. The seat 2 may be attached so as to straddle it.

FIG. 2 is an example of an elevational view showing the structure of the sliding door opening / closing device 10 according to the first embodiment. In FIG. 2, the door pocket 5 is omitted, and only the left side of the sliding door 1 is shown. In addition, the front is inside the car and the back is outside the car. The sliding door opening / closing device 10 wraps the sliding door 1, the guide roller 3, and the tension roller 4 with the sheet 2, and attaches the sheet 2 to the door pocket 5 (not shown) at the sliding door sliding portion 6. The sliding door retracting portion 6 is expressed in a perspective view. The sheet 2 is prevented from being displaced in the vertical direction by the guide 7. The sliding door 1 is attached to the slide rail 8 by a rail moving body 9, and the opening and closing of the sliding door 1 is controlled by a control device (not shown). As shown in FIG. 2, the seat 2 is in the state of a ring with the upper and lower portions of the sliding door 1 open by attaching the end portion of the rectangular sheet to the door pocket 5 at the sliding door sliding portion 6. As a result, the seat 2 on the sliding door 1 can be stored in the door pocket 5 without touching the sliding door opening / closing control mechanism such as the slide rail 8 or the rail moving body 9 that controls the opening / closing of the sliding door 1.

The guide roller 3 is provided with waterproof rubber on the upper and lower sides and guides the sheet 2 so as to be smoothly drawn into the door pocket 5 along the sliding door 1. The guide roller 3 is installed by replacing the door stop rubber conventionally installed in the sliding door 1. The tension roller 4 includes a tension mechanism for giving an appropriate tension to the seat 1.

FIG. 3 is an example of a cross-sectional view of the sliding door opening / closing device 10 according to the first embodiment when the sliding door opening / closing device 10 is opened. As shown in FIG. 3, when the sliding door 1 is opened to the left and right, the seat 2 that wraps the sliding door 1, the guide roller 3, and the tension roller 4 is fixed to the door pocket 5 by the sliding door sliding portion 6, so that the sliding door 1 is fixed. With the movement of the sliding door 1, the sliding door 1 is displaced while being wrapped, and is stored in the door pocket 5 together with the sliding door 1 drawn into the door pocket 5. The portion of the seat 2 other than the sliding door retracting portion 6 shifts along the sliding door 1, but since the seat 2 of the sliding door retracting portion 6 is fixed to the door pocket 5, the space between the sliding door 1 and the door pocket 5 is closed. There are no gaps and no passengers' hands or luggage are pulled in. Further, since the guide rollers 3 and the tension rollers 4 are arranged at both ends of the sliding door 1, the tension rollers 4 give an appropriate tension to the seat 2 and smoothly move the seat 2 along the guide rollers 3 and the guide 7. It can be stored in the door pocket 5. In this embodiment, the guide roller 3 is installed on the doorway side and the tension roller 4 is installed on the storage side in the door pocket 5, but both the doorway side and the storage side in the door pocket 5 are the guide roller 3 or the tension roller 4. It may be.

The sheet 2 may be transparent, translucent, or may have a predetermined color, and an advertisement or the like may be printed on a part or all of the sheet 2. By printing the advertisement on the sheet 2, the installation cost and the maintenance cost of the sliding door opening / closing device 10 can be derived from the advertisement cost. Further, the sheet 2 may be provided with a pocket inside the sheet 2 instead of printing an advertisement or the like, and an advertisement poster may be put in the pocket.

The sliding door opening / closing device 10 can be installed by making some modifications to the conventional mechanism of the sliding door and the door pocket. That is, the rubber for the door stop where the conventional sliding door is installed is changed to the guide roller 3, the tension roller 4 is arranged at the end of the sliding door 1 on the side stored in the door pocket, and the sliding door 1, the guide roller 3, and the tension roller 4 are arranged. The basic structure of the sliding door opening / closing device 10 can be realized by attaching the sheet 2 wrapping the sheet 2 to the sliding door retracting portion 6.

The vertical length of the sheet 2 can be freely determined. The sliding door 1 may be covered with a length that covers almost all of the sliding door 1 from the upper part to the lower part, or the sliding door 1 may be covered with a length excluding parts that are unlikely to be pulled in, such as near the feet and the ceiling.

As described above, the sliding door opening / closing device 10 can eliminate the gap between the sliding door 1 and the door pocket 5 by adopting the above-described configuration, so that the passenger's hand, body, and luggage can be prevented from being drawn into the door pocket. Can be done. Further, since it is a simple mechanism, it is relatively easy to modify it from the conventional sliding door opening / closing device, and since it is not necessary to add a new drive mechanism, the cost can be suppressed. Further, it can be used as an advertising device by providing a pocket on the sheet 2 for printing an advertisement or the like or arranging a poster or the like inside the sheet 2 and arranging the advertising poster.

FIG. 4 is an example of an explanatory view of the sliding door opening / closing device 20 according to the second embodiment. Since the members having the same reference numerals as those in the first embodiment have the same functions as those in the first embodiment, the above description will be referred to and the differences will be mainly described. The sliding door opening / closing device 20 includes a sliding door 21 installed at the entrance / exit of a vehicle, a small sliding door 22, a seat 2, a guide roller 3, a tension roller 4, a door pocket 5 (not shown), and a sliding door sliding portion 26.

The small sliding door 22 is obtained by hollowing out a part of the inside of the sliding door 22, and the inside of the small sliding door 22 is provided with two guide rollers 3 at both ends. The seat 2 wraps the upper and lower portions of the two guide rollers 3 so as to form an empty ring, and the small sliding door 22 is stored in the door pocket 5 and the sliding door retracting portion 26 inside the vehicle is used to wrap the door pocket 5 in the door pocket 5. Fix to. The size and shape of the small sliding door 22 are not limited by FIG. 4, and may take various sizes and shapes. One or both of the two guide rollers 3 may be tension rollers.

With such a configuration, in addition to the effect of the first embodiment described above, since the seat 2 is not exposed to the outside of the vehicle, deterioration of the seat 2 can be suppressed. Further, the small sliding door 22 that wraps the guide roller 3 with the sheet 2 can be unitized, which facilitates the work of replacing the sheet 2 and performing maintenance.

The present invention is not limited to the above-described embodiment as it is, and at the implementation stage, the member can be deformed and embodied within a range that does not deviate from the gist thereof. In addition, the plurality of members disclosed in the above-described examples may be combined as appropriate, and some members may be deleted from the members shown in the examples.

10, 20 ... Sliding door opening / closing device, 1, 21 ... Sliding door, 2 ... Seat, 3 ... Guide roller, 4 ... Tension roller, 5 ... Door pocket, 6, 26 ... Sliding door retracting part, 7 ... Guide, 8 ... Slide rail, 9 ... rail moving body, 22 ... small sliding door

Claims (6)

In a sliding door opening / closing device provided with a sliding door installed in a vehicle and a door pocket for storing the sliding door.
A sheet for wrapping the sliding door so as to form an empty ring at the upper part and the lower part of the sliding door is provided.
The seat is a sliding door opening / closing device, characterized in that the sliding door is stored in the door pocket and is attached to the door pocket inside the vehicle. The sliding door opening / closing device according to claim 1, wherein guide rollers are installed on one side or both sides of the end portion of the sliding door. The sliding door opening / closing device according to claim 1, wherein tension rollers are installed on one side or both sides of the end portion of the sliding door. The sliding door is provided with a small sliding door obtained by hollowing out a part of the sliding door.
One of claims 1 to 3, wherein the seat is fixed to the door pocket inside the vehicle at a position where the small sliding door is housed in the door pocket instead of the sliding door. The sliding door opening / closing device described in one. The sliding door opening / closing device according to any one of claims 1 to 4, wherein an advertisement is printed on the sheet. The sliding door opening / closing device according to any one of claims 1 to 4, wherein the sheet is provided with a pocket capable of storing an advertising poster.

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