JP6053140B2 - Door structure for railway vehicles - Google Patents

Description

  The present invention relates to a door structure for a railway vehicle.

  As a door structure for a railway vehicle, for example, one described in Patent Document 1 is known. The door structure described in Patent Document 1 includes a door main body provided with a window for attaching a window glass, and two windows on the inside and outside of the vehicle that are attached to the window at a certain interval. Adhere the window glass with an adhesive so that the vehicle inner surface of the inner window glass and the vehicle inner surface of the door body are the same surface, and the vehicle outer surface of the vehicle outer window glass and the vehicle outer surface of the door body are the same surface. It is arranged by bonding.

JP 2000-95102 A

  The above-described conventional configuration is effective for preventing the window glass and the surface of the door body from being sandwiched between the door pocket and the door body. However, in the configuration in which the window glass and the surface of the door body are mounted on the same surface as in the conventional door structure described above, since the member for holding the window glass is not provided, the adhesive for bonding the window glass However, if the adhesiveness is lost due to deterioration over time, the window glass may fall off.

  The present invention has been made to solve the above-described problem, and provides a door structure for a railway vehicle that can prevent the window glass from falling off while making the window glass and the inner surface of the door substantially flush with each other. Objective.

  A door structure for a railway vehicle according to the present invention is a door structure for a railway vehicle provided with inner and outer transparent plates arranged so as to close a window opening formed in the door, and is provided on the outer surface of the door. A part of the window opening on the outside of the door is formed as a part, an annular window holding portion that overlaps the edge of the outer transparent plate, a window opening on the inner side of the door, and substantially the same as the inner transparent plate. The inner and outer transparent plates are bonded so that the inner and outer transparent plates face each other with a predetermined distance between the inner side surface portion and the inner and outer transparent plates that are flush with each other. And a bonding portion that bonds the inner and outer transparent plates and the door, and the outer transparent plate has an area that does not overlap the inner transparent plate in the opposing direction of the inner and outer transparent plates. The outer transparent plate region and the inner side surface Wherein the overlap in the opposing direction of the Akiraban.

  In this railway vehicle door structure, the outer transparent plate has a region that does not overlap with the inner transparent plate in the opposing direction of the inner and outer transparent plates, and the outer transparent plate region and the inner side surface portion are separated. The inner and outer transparent plates are overlapped in the facing direction. Thereby, in the door structure of a railway vehicle, for example, even if the adhesive portion loses adhesiveness due to aging deterioration of the adhesive portion, the outer transparent plate is caught by the inner side surface portion, and therefore, together with the inner transparent plate adhered by the spacer portion , Can prevent falling out. Accordingly, it is possible to prevent the window glass from falling off while keeping the window glass and the inner surface of the door substantially flush with each other.

  In one embodiment, the inner and outer transparent plates have a substantially rectangular shape, and the region of the outer transparent plate is located more outward in the surface direction than the inner transparent plate at the corner of the outer transparent plate. It may be a protruding part. Thereby, in the door structure for railroad vehicles, since the corner part of an outer side transparent plate is hooked on an inner surface part, it can control that an outer side transparent plate moves to the vehicle inner side. Accordingly, it is possible to more reliably prevent the window glass from falling off.

  According to the present invention, the window glass can be prevented from falling off while the window glass and the inner side surface of the door are substantially flush with each other.

It is a perspective view showing a rail car provided with a door structure for rail cars concerning one embodiment. It is a figure which shows a door part. It is the III-III sectional view taken on the line in FIG. It is a figure which expands and shows a part of door structure. It is the VV sectional view taken on the line in FIG.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the description of the drawings, the same or equivalent elements will be denoted by the same reference numerals, and redundant description will be omitted.

  FIG. 1 is a perspective view showing a railway vehicle including a railcar door structure according to an embodiment. As shown in FIG. 1, the railway vehicle structure 1 includes a floor structure 2, a side structure 3, a roof structure 4, and a wife structure 5. It has a box shape with a space to accommodate it inside.

  The floor structure 2 is disposed at the bottom of the railway vehicle structure 1 as a structure constituting the floor of the vehicle. The side structure 3 and the wife structure 5 are erected so as to surround the left and right edges and the front and rear edges of the floor structure 2 as structures constituting the side part of the vehicle. The side structure 3 is provided with a plurality of door portions 6 (for example, three locations) for passengers / occupants to get on and off.

  In addition, window portions 7 are provided between the door portions 6 and 6 and at both ends of the side structure 3. The wife structure 5 is provided with an entrance / exit 8 for passengers / occupants to move between vehicles. The roof structure 4 is arranged so as to cover the space above the structure of the railway vehicle as a structure constituting the roof portion of the vehicle. The roof structure 4 of the vehicle is provided with an air conditioner, a pantograph (not shown), and the like for adjusting the temperature inside the vehicle.

  Then, the door structure of the door part 6 is demonstrated in detail. FIG. 2 is a diagram illustrating a door portion. 3 is a cross-sectional view taken along line III-III in FIG. FIG. 4 is an enlarged view showing a part of the door structure. 5 is a cross-sectional view taken along line VV in FIG. In FIG. 4, the illustration of the bonding portion 22 is omitted.

  As shown in each figure, the door structure 10 of the door portion 6 includes an inner window glass (inner transparent plate) 12 and an outer window glass (outer transparent plate) 14, a spacer portion 16, a window holding portion 18, An inner side surface portion 20 and an adhesive portion 22 are provided.

  The inner window glass 12 and the outer window glass 14 are made of, for example, transparent glass and have a substantially rectangular shape. As shown in FIG. 4, the corner portion 14 a of the outer window glass 14 protrudes outward in the surface direction from the corner portion 12 a of the inner window glass 12. That is, the corner 14 a of the outer window glass 14 has a region 14 </ b> A that does not overlap with the corner 12 a of the inner window glass 12 in the direction facing the inner window glass 12. In the present embodiment, the outer window glass 14 has regions 14A at, for example, four corners.

  The spacer portion 16 is disposed between the inner window glass 12 and the outer window glass 14. The spacer portion 16 is disposed along the edges 112 e and 14 e of the inner and outer window glasses 12 and 14. The inner and outer window glasses 12 and 14 are arranged to face each other with a predetermined interval by a spacer portion 16. That is, an air layer AR is formed between the inner window glass 12 and the outer window glass 14. The spacer portion 16 is, for example, a silicon-based sealing material that bonds the inner and outer window glasses 12 and 14 together.

  The window holding part 18 forms a part of the outer surface 6 a of the door part 6 and is provided integrally with the door part 6. The window holding portion 18 defines a window opening R <b> 1 outside the door portion 6 that is closed by the inner window glass 12 and the outer window glass 14. The window holding part 18 has an annular shape that overlaps the edge 14 e of the outer window glass 14.

  The inner side surface portion 20 forms the inner side surface 6 b of the door portion 6, and defines a window opening R <b> 2 inside the door portion 6. The window opening R2 defined in the inner side surface portion 20 has a larger opening area than the window opening R1 defined by the window holding portion 18. The surface of the inner side surface portion 20, that is, the inner side surface 6 b of the door portion 6 is substantially flush with the inner window glass 12.

  The inner side surface portion 20 overlaps the region 14 </ b> A of the corner portion 14 a of the outer window glass 14. Specifically, as shown in FIG. 4, the inner side surface portion 20 is viewed from the opposing direction of the inner and outer window glasses 12 and 14 at the corner portion 20 a corresponding to the region 14 </ b> A of the corner portion 14 a of the outer window glass 14. It faces the region 14A of the corner 14a of the outer window glass 14. The corner portion 20a of the inner side surface portion 20 restricts the movement of the outer window glass 14 to the inside of the vehicle. A backup material 26 is disposed at the corner 20 a of the inner side surface portion 20.

  The bonding portion 22 bonds the inner and outer window glasses 12 and 14 and the door portion 6 together. The bonding part 22 is formed of, for example, a silicon-based adhesive. The adhesive portion 22 is disposed in close contact between the support portion 24 of the door portion 6 and the edge portions of the inner and outer window glasses 12 and 14 and between the window holding portion 18 and the outer window glass 14. Closely arranged. The upper surface 22a of the bonding portion 22 on the window holding portion 18 side is an inclined surface that is inclined downward from the outer window glass 14 side to the window holding portion 18 side.

  Then, the assembly method of the door structure 10 is demonstrated. First, a window unit in which the inner window glass 12 and the outer window glass 14 are integrated by the spacer portion 16 is configured. Next, this window unit is attached to the door portion 6. Specifically, the window unit is attached to the window openings R1, R2 in a Kendon style. Then, the door portion 6 and the window unit, that is, the inner window glass 12 and the outer window glass 14 are fixed by the bonding portion 22.

  As described above, in the railcar door structure 10 according to the present embodiment, the corner portion 14a of the outer window glass 14 is a region that does not overlap the inner window glass 12 in the facing direction of the inner and outer window glasses 12 and 14. 14A. The region 14 </ b> A and the inner side surface portion 20 of the outer window glass 14 overlap each other in the facing direction of the inner and outer window glasses 12 and 14.

  Thereby, in the door structure 10 of a railway vehicle, even if the adhesive part 22 loses adhesiveness due to, for example, deterioration of the adhesive part 22, the outer window glass 14 is caught on the corner part 20 a of the inner side surface part 20. It is possible to prevent the inner window glass 12 adhered by the falling off. Therefore, in the door structure 10, the window glasses 12 and 14 can be prevented from falling off while the inner window glass 12 and the inner side surface 6 b of the door portion 6 are substantially flush with each other.

  In the present embodiment, the inner and outer window glasses 12 and 14 have a substantially rectangular shape. The region 14 </ b> A of the outer window glass 14 is a portion that protrudes outward in the direction of the inner window glass 12 at the corner 14 a of the outer window glass 14. Thereby, in the door structure 10, since the corner part 14a of the outer side window glass 14 is hooked on the inner surface part 20, it can control that the outer side window glass 14 moves inside a vehicle. Therefore, the door structure 10 can more reliably prevent the inner and outer window glasses 12 and 14 from falling off.

  The present invention is not limited to the above embodiment. For example, in the said embodiment, although the inner side and the outer side window glasses 12 and 14 are made into the substantially rectangular shape, the shape of the inner side and the outer side window glasses 12 and 14 is not limited to this. In the door structure, it is only necessary that the outer window glass has a region that does not overlap with the inner window glass, and that region overlaps the inner side surface portion 20.

  Moreover, in the said embodiment, although the structure which provides the area | region 14A of the outer side window glass 1 in a four corner part was demonstrated to an example, if the area | region 14A of the outer side window glass 1 was provided on the diagonal line of the outer side window glass 14, at least Good.

  DESCRIPTION OF SYMBOLS 1 ... Railcar, 6 ... Door part (door), 10 ... Door structure, 12 ... Inner window glass (inner transparent plate), 12e ... Edge, 14 ... Outer window glass (outer transparent plate), 14a ... Corner , 14A ... region, 14e ... edge, 16 ... spacer part, 18 ... window holding part, 20 ... inner side part, 22 ... adhesive part, R1, R2 ... window opening.

Claims (2)

A door structure for a railway vehicle including inner and outer transparent plates arranged so as to close a window opening formed in the door,
An annular window holder that forms part of the outer surface of the door to define the window opening outside the door and overlaps an edge of the outer transparent plate;
Defining the window opening inside the door, and an inner surface portion substantially flush with the inner transparent plate;
A spacer portion disposed between and at the edge between the inner and outer transparent plates, and for bonding the inner and outer transparent plates so that the inner and outer transparent plates face each other at a predetermined interval;
An adhesive portion for adhering the inner and outer transparent plates and the door; and
The outer transparent plate has a region that does not overlap the inner transparent plate in the facing direction of the inner and outer transparent plates,
The door structure for a railway vehicle, wherein the region of the outer transparent plate and the inner side surface portion overlap each other in the facing direction of the inner and outer transparent plates. The inner and outer transparent plates have a substantially rectangular shape,
2. The railway vehicle according to claim 1, wherein the region of the outer transparent plate is a portion that protrudes more outward in the surface direction than the inner transparent plate at a corner of the outer transparent plate. Door structure.

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