JP2013082261A - Structure of door sill part of doorway for railway vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure of a door sill part of a doorway for a railway vehicle with which even a person who pushes a wheelchair or a stroller can smoothly get on and off when passing through a vehicle door part without being caught to a rail.SOLUTION: In the structure of the door sill part of the doorway for the railway vehicle, a recessed part 2 is formed in a lower end part of a door 4 of the floor surface in the vicinity of the doorway of the railway vehicle in a door opening and closing direction, a projecting part 3 having a width narrower than that of the recessed part 2 and a height lower than that of the recessed part 2 is formed in the recessed part 2 in the same door opening and closing direction, and a recessed part 5 provided in a lower end surface of the door 4 and the projecting part 3 in the recessed part 2 provided in the floor surface are fitted to each other. Thereby, even a person who pushes a wheelchair or a stroller or is difficult to walk can smoothly pass through the door sill part.

Description

  TECHNICAL FIELD The present invention relates to a structure of a railroad door entrance and exit portion that is barrier-free so that a passenger's foot is caught on a railcar doorway rail and does not fall down.

  In FIG. 3, an upper rail 11 provided with a recess 12 is fixed to the inner side wall at the upper part of the side doorway, and a rotating wheel 13 is rotatably attached to the upper part of the door 10, and the rotating wheel 13 is attached to the upper rail 11. It runs on the recess 12. And as shown in FIG. 4, the lower part of the door 10 is guided by the rail 15 provided in the claw part 14 of the doorway. A groove 16 is formed on the inner side of the scraper portion 14 so that dust such as dirt does not enter the vehicle.

  As described above, the door 10 for opening and closing is provided at the side doorway of the railway vehicle. In this case, the door lower guide rail 15 is laid on the floor of the doorway, but if the lower guide rail 15 is present, it will hinder passengers from getting on and off, so the lower part of the side entrance of the railway vehicle will not get in the way. Such a structure has been proposed. As an example of this, a waterproof plate 14 is formed on the upper surface of the side entrance lower frame 10 in a step-like shape and further bent downward on the outside of the vehicle body (for convenience of explanation, the reference numerals are those used in Reference 1). The same is applied to the reference document 2 and the specification of the present invention, and the lower guide rail 4 is laid on the waterproof plate, and the lower guide rail 4 is sandwiched between them. A rail car side entrance lower structure is proposed in which the claw constituted by the inner claw 15 on the inner side of the vehicle and the outer claw 16 on the outer side of the vehicle are provided at the same height as the lower guide rail 4 via mounting brackets 18, respectively. (Patent Document 1)

  Usually, the lower part of the side sliding door 3 is a concave groove, which serves as a guide for the rail 5 (Patent Document 2).

Japanese Patent No. 433516 Shokai 55-102613

  Usually, a door 10 that opens and closes is provided at the entrance / exit of the train. As shown in FIG. 3, the upper portion of the door 10 is provided with a rotating wheel 13. When the door 10 is opened and closed, the recessed portion 12 of the upper rail 11 provided inside the upper side surface of the vehicle body is locked so that the rotating wheel 13 rolls. I'm allowed. As shown in FIG. A rail 15 for moving the door 10 smoothly is fixed near the side doorway portion of the vehicle floor surface at the lower part of the door 10. A groove 16 with a step is provided on the floor surface of the rail 15 on the inner side to prevent intrusion of rainwater, dust and the like.

  However, when getting on and off the vehicle, a person pushing a wheelchair or a stroller, a senior carer, or a person who has difficulty walking may struggle with the protrusion (convex part) or the groove 16 with the step. In addition, when a woman wears high heels, the heel of a thin shoe may be caught by the protrusion (convex portion) of the rail and fall. Furthermore, when the vehicle is congested, even a healthy person may get his / her feet caught on the rail.

  The present invention has been made to cope with the above-described problems. Even when a person pushing a wheelchair or a baby stroller or a person who has difficulty walking, when passing through the doorway of the vehicle, the passenger can get on and off smoothly without getting caught on the rail. It is an object of the present invention to provide a structure for a railroad door entrance that can be used.

That is, in order to solve the problems described above, the present invention described in claim 1
The crushing portion of the entrance / exit for the railway vehicle forms a recess 2 in the door opening / closing direction at the lower end of the door 4 on the floor surface near the entrance / exit of the railway vehicle, A projection 3 is formed which is narrow and has a height equal to or lower than that of the recess 2 and is fitted with the recess 5 provided on the lower end surface of the door 4 and the projection 3 in the recess 2 provided on the floor surface. It is characterized by being combined.

According to the second aspect of the present invention, there is provided that the clasp portion 1 at the entrance / exit of the railway vehicle is between the outer floor surface and the inner floor surface in the door opening / closing direction at the lower end of the door on the floor surface near the entrance / exit of the rail vehicle. A concave portion 2 is formed, and a plurality of convex portions 3A, 3B that are narrower and lower than the concave portion 2 are formed in the concave portion 2 in the door opening / closing direction of the same vehicle, and a plurality of lower end surfaces of the door 4 are formed. A plurality of convex portions 3 in the concave portions 2 on the floor surface and the concave portions 5 of the door 4 are fitted into the concave portions 5A and 5B.

  In the present invention, the crushed portion is concave, and the protrusions (convex portions) due to the rails at the side doorway are eliminated, so when passing through the vehicle doorway, even people who push wheelchairs and strollers and people who are difficult to walk get on and off the vehicle smoothly. Will be able to. Moreover, it has a guide function between the door lower end surface and the recessed part 2 of a floor surface, and the movement of a door also becomes smooth. Furthermore, when the door lower end surface and the convex portions 3 in the concave portion are plural, the engaged state is also stable, and the door is smoothly and smoothly moved. Furthermore, the present invention is characterized by the fact that the number of parts can be reduced and the number of assembling steps can be reduced by a small number of parts and a simple structure.

FIG. 1 is a cross-sectional view perpendicular to the longitudinal direction of the vehicle at the lower part of the railway vehicle, and is a diagram showing a crushed portion of the railway vehicle doorway of the present invention. FIG. 2 is another embodiment of the figure showing the crushed portion of the railway vehicle doorway of the present invention. It is a simplified diagram of a cross-sectional view of one side inside the upper part of a conventional railway vehicle. It is a simplified diagram of a sectional view of one side inside a lower portion of a conventional railway vehicle.

FIG. 1 is a cross-sectional view perpendicular to the longitudinal direction (front-rear direction) of the lower part of a railway vehicle, and is a view showing a crushed portion of the railway vehicle doorway of the present invention. In the present invention, a nail portion is formed at the entrance and exit for the railway vehicle. More specifically, in this figure, a crushing portion 1 of a railway vehicle (hereinafter referred to as a vehicle) is formed by an outer claw portion 1A and an inner claw portion 1B. During this time, it is possible to guide the lower part of the vehicle door only by the recess 2, but in order to avoid the problem with the protrusion as described in the above [0007], the recess 2 is formed in the door opening / closing direction. In the central portion of the concave portion 2, a convex portion 3 having a height shorter than the depth of the concave portion is formed in the door opening / closing direction. In other words, in the present invention, the scraped portion 1 is formed on the floor surface formed at the entrance and exit for the railway vehicle so that there is no convex portion higher than the floor surface. A recess 5 is formed at the lower end of the door 4 at the side doorway of the railway vehicle.

  That is, the present invention forms a recess 5 in the lower end portion of the door 4 at the side entrance of the railway vehicle, forms the recess 2 in the door opening / closing direction on the floor near the side entrance of the railway vehicle, and within the recess 2 Similarly, a convex part 3 narrower and lower in height than the concave part 2 is formed in the door opening and closing direction, and the concave part 5 is fitted to the convex part 3 of the concave part 2 at the lower end part of the door.

FIG. 2 is another embodiment of the figure showing the nail part 1 of the railway vehicle doorway of the present invention. In FIG. 1, the recess 2 provided in the vicinity of the doorway of the vehicle floor is fitted with the recess 5 provided at the lower end of the door 4, but the floor recess as shown in FIG. Two convex portions 3A and 3B are formed in 2, and two concave portions 5A and 5B are also formed at the lower end portion of the door 4, and these are fitted.

  If the claw portion of the entrance / exit for a railway vehicle of the present invention is configured as described above, passengers entering / exiting the entrance / exit of the vehicle, particularly those who push wheelchairs and strollers, senior carers, or people who are difficult to walk, may interfere with the protrusion of the rail You can get on and off smoothly without steps. Moreover, since the recessed part 5 of the lower end part of the door 4 fits in the recessed part 2 of a floor surface, it has the function to guide the door 4, and the movement of the door 4 is also smooth.

  In the structure of the present invention, since the concave portion 2 also functions as drainage and dust prevention, it is possible to install a drain pipe 19 similar to the conventional one, and the groove of the concave portion 2 for drainage and dust. It is also possible to install the drain hole 20 toward the outside of the vehicle.

  Since it is easy to use not only for strollers and people with wheelchairs, but also for people with physical disabilities, the vehicle equipped with the crushed portion of the entrance / exit of the railway vehicle according to the present invention is extremely useful and has great demand. There is a possibility.

1 crushed portion 1A outer crushed portion 1B inner crushed portion 2 crusty concave portion 3 convex portion 3A convex portion in the concave portion 3B convex portion in the concave portion
4 door 5 recess

Claims (2)

  A recess 2 is formed in the door opening / closing direction at the lower end of the door on the floor near the doorway of the railway vehicle, and the width of the recess 2 is narrower than that of the recess 2 in the door opening / closing direction of the same vehicle. A railway formed by forming an equivalent or low convex portion 3 and fitting a concave portion 5 provided on the lower end surface of the door 4 and a convex portion 3 in the concave portion 2 provided on the floor surface. Structure of the crushing part of the doorway for vehicles.   A concave portion 2 is formed between the outer floor surface and the inner floor surface in the door opening / closing direction at the lower end of the door on the floor surface near the entrance of the railway vehicle, and the concave portion 2 is formed in the concave portion 2 in the same door opening / closing direction. A plurality of projections 3A, 3B that are narrower and lower in height are formed, and the lower end surface of the door 4 is formed as a plurality of recesses 5A, 5B, and a plurality of projections 3 in the recesses 2 on these floor surfaces. The structure of the claw part of the entrance / exit of a railway vehicle, wherein the recess 5 of the door 4 is fitted.

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