JP6896826B2 - Long seats for railway vehicles - Google Patents

Description

The present invention relates to a long seat for a railroad vehicle. Specifically, the present invention is a long seat for a railroad vehicle, which is mainly installed horizontally along a side internal wall (inner wall of a vehicle body) of a railroad vehicle such as a commuter train and allows a plurality of people to sit side by side. Regarding the seat.

Conventional long seats for railroad cars, which are installed horizontally along the side wall of railroad cars such as commuter trains and allow multiple people to sit side by side, have seats even though the inside of the car is crowded with passengers. In many cases, less than the capacity of the train was seated. Therefore, there has been a demand for long seats for railway vehicles that allow the seated person to clearly recognize the position of each seat unit and that the number of seats can be reliably seated.

In order to solve the above problems, for example, in Patent Document 1, as shown in FIGS. 10 and 11, the skin 103a and the pad 103b are integrated on the seat frame 102 having a required length to be attached and fixed to the vehicle body inner wall 101. Disclosed is a vehicle long seat 100 in which seat cushions (seat cushions) 103 are arranged in a row so as to exhibit an uneven three-dimensional shape in which each seat is held by each seat by molding. There is.

The seat cushion 103 is individually and independently manufactured by integral molding for each seat unit, and each seat cushion 103 has a round recessed upper surface center portion 104 so as to wrap the buttock portion of the seated person, and the left and right sides thereof are rounded. Both side portions 105 are smoothly raised to hold the tail portion from the left and right, and have a convex shape like a bank extending in the front-rear direction.

Further, the seat frame 102 is horizontally laid horizontally by welding and fixing a plurality of brackets 102a made of pressed steel plates having a substantially L shape to the front end of the front overhanging portion and the upper end of the rear rising portion of these brackets 102a. It is mainly composed of a horizontally long front side penetrating material 102b and a rear upper side penetrating material 102c made of a square steel pipe, and a shell 106 mounted by welding and fixing to the upper surface of the front side penetrating material 102b and the upper surface of the bracket 102a.

Further, a seat back cushion (back cushion) 107 manufactured separately from the seat cushion 103 is attached to the front surface of the rear rising portion 102d of the seat frame 102. Further, a pair of upper and lower hook springs (leaf springs) 108a and 108b are attached to the backing plate 108 of the seat back cushion 107. The upper end portion of the seat back cushion 107 is formed by elastically pushing the pair of upper and lower hook springs 108a and 108b into the hooking portion of the rear upper penetrating material 102c of the seat frame 102 to hold the hook springs 108a and 108b from above and below. 107a is joined to the inner wall 101 of the vehicle body below the window frame 101s, and the lower end 107b is joined to the upper end bent edge 106a of the shell 106 and the upper end 103c of the seat cushion 103 so as to cover from the front side. ing.

Japanese Unexamined Patent Publication No. 6-154061

However, in the vehicle long seat 100 described in Patent Document 1, the seat cushion 103 is individually and independently manufactured by integrally molding for each seat unit so as to wrap the buttock portion of the seated person. Therefore, there is a problem that it takes a lot of labor in production and tends to lead to an increase in cost. There is also a problem that the number of passengers is reduced in order to secure a seating space for each person.

The present invention has been made to solve such a problem, so that the number of passengers can be increased, the seating person can clearly recognize the position of each seat unit, and the capacity can be reliably seated. At the same time, it is an object of the present invention to provide a long seat for railway vehicles, which can be easily reduced in weight and can reduce the labor required for assembly and production.

In order to achieve the above object, the long seat for a railway vehicle according to the present invention has the following configuration.
(1) A long seat for railroad vehicles that is installed horizontally along the side wall of a railroad vehicle and allows multiple people to sit side by side.
It is provided with a seat frame that protrudes from the side structure wall to the indoor side by a certain amount and is fixed to the structure, and a back cushion that is fixed to the side structure wall above the seating portion of the seat frame.
The seating section is extended to the required length for multiple people to sit side by side for the hip rest.
The back cushion is characterized in that it is formed for each seat unit.

In the present invention, the seat frame is provided with a seat frame that protrudes from the side structure wall to the indoor side by a certain amount and is fixed to the structure, and a back cushion fixed to the side structure wall above the seating portion of the seat frame. Is extended to the required length for multiple people to sit side by side for the hip rest, reducing seating space and increasing the number of passengers, as well as simplifying the production and assembly of seat frames. It can also contribute to weight reduction. In addition, it is equipped with a back cushion fixed to the side body wall above the seating part of the seat frame, and the back cushion is formed for each seat unit, so the back cushion can be made smaller and lighter. At the same time, the back cushion can be used as a mark to make the seated person clearly recognize the position of each seat unit, so that the maximum number of seats can be reliably seated.

Therefore, according to the present invention, the number of passengers can be increased, the seating person can be made to clearly recognize the position of each seat unit, the maximum number of passengers can be surely seated, and the weight can be easily reduced. It is possible to provide long seats for railway vehicles that can reduce the labor required for assembly and production.

(2) In the long seat for railway vehicles described in (1),
The seating portion is provided with a seat cushion.
The seat cushion is characterized in that it is extended to a required length for a plurality of people to sit side by side.

In the present invention, the seating portion is provided with a seat cushion, and the seat cushion is extended to a required length for a plurality of people to sit side by side, so that it is not necessary to divide the seat cushion into a plurality of seats. Cushion manufacturing and assembly can be simplified, which can contribute to cost reduction.

(3) In the long seat for railway vehicles described in (2),
The seat cushion includes a tubular cushion member detachably formed on the seating portion and a seat skin covering the tubular cushion member.
In the tubular cushion member, a pair of divided surfaces divided along the longitudinal direction from one end of the inner wall surface of the tubular cushion member to the other end of the facing outer wall surface are formed at positions different from the seating side. The seat skin is characterized in that a linear fastener that engages and disengages along the boundary line between the divided surfaces is attached.

In the present invention, the seat cushion includes a tubular cushion member detachably formed on the seating portion and a seat skin that covers the tubular cushion member, and the tubular cushion member includes the tubular cushion member. A pair of divided surfaces divided along the longitudinal direction from one end of the inner wall surface to the other end of the opposite outer wall surface are formed at positions different from the seating side, and the seat skin is formed along the boundary line between the divided surfaces. Since the linear fastener to be engaged and disengaged is attached, the seat cushion can be easily attached to and detached from the seating portion of the seat frame by opening the linear fastener and separating the divided surfaces of the tubular cushion member from each other. .. Therefore, it is possible to reduce the time and effort required for assembling and replacing the seat cushion with respect to the seat frame, which leads to cost reduction.

(4) In the long seat for railway vehicles described in (3),
The seating portion is formed with anti-rotation protrusions that stand outward along the longitudinal direction at positions different from those on the seating side, and the inner wall surface of the tubular cushion member is engaged with the anti-rotation projections. It is characterized in that a groove is formed.

In the present invention, the seating portion is formed with anti-rotation protrusions that stand outward along the longitudinal direction at positions different from those on the seating side, and the inner wall surface of the tubular cushion member engages with the anti-rotation protrusions. Since the engaging groove is formed, by engaging the engaging groove of the tubular cushion member with the detent projection of the seating portion, it is possible to easily prevent the seat cushion from rotating in the circumferential direction with respect to the seat frame. it can. Therefore, the seated person can sit on the seat cushion more stably while reducing the time and effort required for assembling the seat cushion to the seat frame.

(5) In the long seat for railway vehicles described in any one of (1) to (4).
The back cushion includes a back cushion, a back cushion member covered with the back skin, and a back backing plate fixed to the back surface of the back cushion member.
An engaging means is formed on the backrest backing plate in addition to the fixing means for fixing to the side structure wall, and an engaged means for engaging with the side structure wall is formed on the side structure wall. It is characterized by being done.

In the present invention, the back cushion includes a back cushion, a back cushion member covered with the back skin, and a back backing plate fixed to the back surface of the back cushion member. In addition to the fixing means for fixing to the side structure wall, the back cushion is formed with an engaging means, and the side structure wall is formed with an engaged means for engaging with the engaging means. Therefore, when the back cushion is fixed to the side structure wall, the variation in the fixing position of the back cushion with respect to the side structure wall can be reduced by engaging the engaging means with the engaged means in advance. Therefore, it is possible to improve the accuracy of arrangement and the appearance of the back cushion placed on the side wall, and reduce the time and effort required for assembling or replacing the back cushion on the side wall. It can lead to cost reduction.

(6) In the long seat for railway vehicles described in (5),
The engaging means comprises protrusions or concave buttons formed on the left and right end portions of the backrest backing plate, and the engaged means is formed on the side structure wall and the protrusions are fitted. It is characterized by comprising a fitting hole or a convex button fitted into the concave button.

In the present invention, the engaging means comprises protrusions or concave buttons formed on the left and right side ends of the backrest backing plate, and the engaged means is formed on the side body wall and the protrusions are fitted. Since it consists of a convex button that is fitted into a fitting hole or a concave button, protrusions or concave buttons are provided at the left and right side ends of the backrest backing plate, and the protrusion is fitted to the side structure wall. With a simple structure of providing a convex button fitted to a hole or a concave button, the positional accuracy of the back cushion with respect to the wall of the side structure can be further improved. Therefore, the labor required for assembling or replacing the back cushion with respect to the wall of the side structure can be reduced with a simple structure, which can lead to further cost reduction.

(7) In the long seat for railway vehicles according to any one of (1) to (6).
The seating portion is formed to have a seat length for two people, and the seat frame is extended in a substantially L-shape or a substantially T-shape toward the side body wall at the front end or the rear end of the seating portion. It is characterized in that it is provided with a connecting portion and is connected to the side structure at the connecting portion.

In the present invention, the seating portion is formed to have a seat length for two people, and the seat frame extends in a substantially L-shape or a substantially T-shape toward the side structure wall at the front end or the rear end of the seating portion. Since it is connected to the side structure at the connecting portion, when the seated person is seated on the seating portion, the seating portion extends in a substantially L-shape or a substantially T-shape at the front end or the rear end of the seating portion. It is possible to grip the connecting portion of the provided seat frame. Therefore, while simplifying the support structure of the seat frame with respect to the side structure, the seated posture of the seated person can be stably maintained even when the vehicle slightly swings back and forth and left and right during traveling.

(8) In the long seat for railway vehicles according to any one of (1) to (7).
A plate-shaped heater device is mounted on the wall of the side structure below the seating portion.

In the present invention, since the plate-shaped heater device is mounted on the wall of the side structure below the seating portion, when the seated person is seated on the seating portion while effectively utilizing the space below the seating portion. , The feet of the seated person can be heated efficiently.

According to the present invention, the number of passengers can be increased, the position of each seat unit can be clearly recognized by the seated person, the maximum number of passengers can be surely seated, the weight can be easily reduced, and the assembly can be performed. -It is possible to provide long seats for railway vehicles that can reduce the labor required for manufacturing.

It is a schematic perspective view of the long seat for a railroad vehicle which concerns on embodiment of this invention. FIG. 5 is a sectional view taken along the line AA shown in FIG. It is a detailed cross-sectional view of part B shown in FIG. It is a modification of the detailed cross-sectional view of part B shown in FIG. It is a C arrow view (front view) shown in FIG. FIG. 5 is a cross-sectional view taken along the line DD shown in FIG. It is a modification of the DD cross-sectional view shown in FIG. It is a schematic perspective view of the modification of the long seat for a railroad vehicle shown in FIG. It is a modification of the C arrow view (front view) shown in FIG. It is a main cross-sectional view of the long seat for a vehicle disclosed in Patent Document 1. It is a schematic perspective view of the seat cushion shown in FIG.

Next, the long seat for a railway vehicle according to the present embodiment will be described in detail with reference to the drawings. Specifically, after explaining in detail the configuration of the long seat for a railway vehicle according to the present embodiment, a method of manufacturing the long seat for the railway vehicle and assembling it to the side structure of the railway vehicle will be briefly described. In addition, various modifications of the long seat for this railway vehicle will be described.

<Structure of long seats for this railway vehicle>
First, the configuration of the long seat for this railway vehicle will be described with reference to FIGS. 1 to 3, 5 and 6. FIG. 1 shows a schematic perspective view of a long seat for a railway vehicle according to an embodiment of the present invention. FIG. 2 shows a cross-sectional view taken along the line AA shown in FIG. FIG. 3 shows a detailed cross-sectional view of part B shown in FIG. FIG. 5 shows a view taken along the arrow C (front view) shown in FIG. FIG. 6 shows a cross-sectional view taken along the line DD shown in FIG.

As shown in FIGS. 1 to 3, 5 and 6, the long seat 10 for a railway vehicle according to the present embodiment is installed horizontally along the side internal wall 11 of the railway vehicle, and a plurality of people are lined up. A long seat for a railroad vehicle on which a passenger can sit, the seat frame 2 protruding from the side structure wall 11 toward the room by a certain amount and fixed to the structure 1A (for example, the side structure 1), and the seating portion 21 of the seat frame 2. It is provided with a backrest cushion 4 fixed to the side internal wall (also referred to as "inner wall of the vehicle body"; the same applies hereinafter) 11 above. The seating portion 21 is extended to a required length for a plurality of people to sit side by side for the hip rest, and the back cushion 4 is formed for each seat unit. Further, the seating portion 21 is provided with a seat cushion 3, and the seat cushion 3 is extended to a required length for a plurality of people to sit side by side.

Specifically, a pipe-shaped seat frame 2 that projects horizontally from the side structure wall 11 toward the room by a certain amount and is fixed to the side structure 1, and a seating portion 21 that extends linearly from the seat frame 2. A cylindrical seat cushion 3 mounted on the outer peripheral surface of the seat cushion 3 and a plate-shaped back cushion 4 fixed to the side structure wall 11 above the seat cushion 3 are provided. Here, since the window portion 8 is formed on the side structure 1, the back cushion 4 is fixed to the side structure wall 11 below the window frame 81 that contours the window portion 8. The side wall 11 extends from the floor plate 71 to the ceiling, and constitutes a decorative plate (side plate) for partitioning the guest room. Further, on the side wall 11, a handrail bar 9 extending in the vertical direction is installed near the edge of the long seat 10 for a railroad vehicle in the front-rear direction.

The seat frame 2 and the seat cushion 3 are extended to a required length for a plurality of people to sit side by side for the hip rest, and are formed in a constant cross section in the front-rear direction. The seat frame 2 is made of, for example, an aluminum-based pipe member, and has a seating portion 21 formed linearly in the front-rear direction and extending substantially L-shaped toward the side structure wall 11 at the front end or the rear end of the seating portion 21. It is provided with a connecting portion 22 provided, and is bolted to the side structure 1 via a connecting plate 221 connected to the connecting portion 22. The seat frame 2 may be, for example, a solid member such as aluminum or resin, or may be inclined diagonally upward.

Here, the seat frame 2 and the seat cushion 3 are formed to have a seat length for two people on which two adults can sit side by side. A plurality of seat frames 2 and seat cushions 3 are arranged in a row in the front-rear direction. Therefore, when the seated person M is seated on the seat cushion 3, the connecting portion 22 of the seat frame 2 extending in a substantially L shape can be gripped at the front end or the rear end of the seating portion 21, and when the vehicle is traveling. The seating posture of the seated person M can be stably maintained even when the seated person M is slightly shaken back and forth and left and right.

The number of people to sit on the seat frame 2 and the seat cushion 3 can be appropriately set, and the seat frame 2 and the seat cushion 3 may be extended to a required length according to the number of people. Further, the amount of protrusion of the seat frame 2 and the seat cushion 3 toward the indoor side with respect to the side structure wall 11 and the height with respect to the floor plate 71 are preferably such that an adult can sit in a mid-waisted state. The protrusion amount and height may be set so that the elderly can easily sit on it.

Further, the seat cushion 3 includes a tubular cushion member 31 detachably formed on the seating portion 21 of the seat frame 2 and a seat skin 32 that covers the tubular cushion member 31. Here, the tubular cushion member 31 is formed in a cylindrical shape, but may be formed in a square tubular shape. Further, the tubular cushion member 31 has a pair of divided surfaces 313 and 313 divided along the longitudinal direction from one end 311a of the inner wall surface 311 of the tubular cushion member 31 to the other end 312a of the outer wall surface 312 facing the tubular cushion member 31. , It is formed at a position different from the seating side. Further, the seat skin 32 is equipped with a linear fastener 32F that engages and disengages along the boundary line between the divided surfaces 313 and 313. Further, the tubular cushion member 31 and the seat skin 32 are detachably fixed via a pair of surface fasteners 33 and 34 formed in a band shape, and the seating portion 21 of the seat frame 2 and the tubular cushion member The 31 is detachably fixed via a pair of planar fasteners 35 and 36 formed in a band shape.

Further, the long seat 10 for this railway vehicle includes a back cushion 4 fixed to a side body wall 11 above the seat cushion 3, and the back cushion 4 is manufactured for each seat unit. Here, the back cushions 4 are arranged so as to be separated from each other next to each other, but even if they are in contact with each other, they may be separated from each other. Further, the back cushion 4 is also arranged apart from the seat cushion 3. Here, the back cushion 4 is formed in a horizontally long rectangular shape in a front view (viewed by arrow C in FIG. 2), but is not necessarily limited to a rectangular shape, and is formed in, for example, a circular shape or an elliptical shape. You may be. Further, although the thickness of the back cushion 4 is formed to be substantially constant, it is not always necessary to limit the thickness to a constant value. The width dimension of the back cushion 4 may be large enough to support the back of the seated person M, and should be formed smaller than the width dimension required for each seat in the seat cushion 3. Can be done.

The back cushion 4 includes a back cushion 41, a back cushion member 42 covered with the back skin 41, and a back backing plate 43 fixed to the back surface of the back cushion member 42. It has. Further, the back cushion 4 is engaged with the back back support plate 43 separately from the fixing means 6 (61) which is attached to the upper end and the lower end of the back back plate 43 and fixed to the side structure wall 11. The combined means 51 is formed, and the engaged means 52 that engages with the engaging means 51 is formed on the side structure wall 11. The engaging means 51 and the engaged means 52 are formed so as to engage with each other before fixing the back cushion 4 to the side structure wall 11, and the means for positioning the back cushion 4 with respect to the side structure wall 11. 5 (51, 52) is configured. As the fixing means 6 of the back cushion 4, for example, a pair of planar fasteners 61 and 62 formed in a band shape can be used. The planar fasteners 61 and 62 are arranged in the vicinity of the upper end edge and the lower end edge of the back cushion 4.

Here, the engaging means 51 is composed of protrusions 51a formed at both left and right end portions in the vertical intermediate portion of the backrest backing plate 43, and the engaged means 52 is formed on the side structure wall 11 and has protrusions. The portion 51a is composed of a fitting hole 52a into which the portion 51a is fitted, but the present invention is not necessarily limited to these. For example, the protrusion 51a is formed as a cylindrical pin with a collar, a square tube pin, or the like, and the collar is fixed to the backrest plate 43. Further, the fitting hole 52a is formed in a circular hole into which a cylindrical pin is fitted, a square hole into which a square cylinder pin is fitted, or the like. The cylindrical pin or the square tube pin is formed to have a length that engages with the circular hole or the square hole before the hook portion and the loop portion of the planar fasteners 61 and 62 engage with each other.

Further, the side structure 1 is provided with a plurality of frame receiving members 14 connected to a reinforcing bone 13 for reinforcing the vehicle body outer plate 12, and each frame receiving member 14 sandwiches the side structure wall 11 and the spacer member 15. It is connected to the connecting plate 221 connected to the connecting portion 22 of the seat frame 2. Further, the frame receiving member 14 is formed in a hat cross-sectional shape, for example, and extends in the vertical direction. It is preferable that the frame receiving member 14 extends to a position where the back cushion 4 of the side structure wall 11 is fixed. Further, it is preferable that a plate-shaped heater device 72 is mounted below the seat cushion 3 on the side structure wall 11. By forming the heater device 72 in a plate shape along the side structure wall 11 below the seat cushion 3, the heating effect can be enhanced without sacrificing the foot space of the seater M. Here, the heater device 72 is formed for each seat unit, but may be integrally formed in the longitudinal direction.

<How to manufacture and assemble long seats for this railway vehicle>
Next, a method of manufacturing a long seat for this railway vehicle and assembling it to the side structure of the railway vehicle will be briefly described.

First, as shown in FIGS. 1 to 3, 5 and 6, a plurality of frame receiving members 14 are manufactured. The frame receiving member 14 is formed by press-molding a steel plate into a hat cross-sectional shape. A nut portion 16 for fixing the seat frame 2 is connected to the back surface of the zenith portion of the hat cross section of the frame receiving member 14. Further, the frame receiving members 14 are arranged at predetermined intervals in the front-rear direction corresponding to the connecting portion 22 of the seat frame 2, and are welded to the reinforcing bones 13 for reinforcing the vehicle body outer plate 12 of the side structure 1, respectively. Fix it. Further, the side structure wall 11 is formed with a fitting hole 52a into which the protrusion 51a of the back cushion 4 is fitted. Further, a planar fastener 62 for fixing the back cushion 4 is attached to the side structure wall 11. The side structure internal wall 11 is fixed to the side structure 1 by screwing to the frame receiving member 14, the window frame 81, the floor frame 73, and the like.

Next, the seat frame 2 is manufactured. The seat frame 2 uses, for example, an aluminum pipe, and has a seating portion 21 extending linearly in the front-rear direction and a substantially L-shape at the front end or the rear end of the seating portion 21 toward the side structure wall 11. An extended connecting portion 22 is formed, and a connecting plate 221 having a bolt hole formed in the connecting portion 22 is connected to the connecting portion 22. Further, the seating portion 21 is equipped with a fixing means 35 (for example, a planar fastener) for fixing the seat cushion 3. In the seat frame 2, the connecting plate 221 is brought into contact with the side structure wall 11, and the bolts inserted through the bolt holes of the connecting plate 221 are fastened to the nut portion 16 of the frame receiving member 14 to be fixed to the side structure 1.

Then, the seat cushion 3 and the back cushion 4 are manufactured. In the seat cushion 3, for example, a seat skin 32 made of synthetic fibers and a tubular cushion member 31 made of urethane foam are separately manufactured, and both are connected via a plurality of planar fasteners 33 and 34. To manufacture. At that time, the tubular cushion member 31 is divided into a pair in advance along the axial direction (front-back direction) from one end 311a of the inner wall surface 311 of the tubular cushion member 31 to the other end 312a of the outer wall surface 312 facing the tubular cushion member 31. The dividing surfaces 313 and 313 of the above are formed at positions different from those on the seating side. Further, the seat skin 32 is equipped with a linear fastener 32F that engages and disengages along the boundary line between the divided surfaces 313 and 313. Further, a planar fastener 36 fixed to the seating portion 21 is attached to the inner wall surface 311 of the tubular cushion member 31.

Further, the back cushion 4 is a method of integrally molding, for example, a back cushion 41 made of synthetic fibers, a back cushion member 42 made of urethane foam, and a back backing plate 43 made of a resin plate or a metal plate. Manufactured by. Further, a planar fastener 61 fixed to the side structure wall 11 and a protrusion 51a to be fitted to the fitting hole 52a formed in the side structure wall 11 are fixed to the back support plate 43 of the back cushion 4. To do.

Further, the seat cushion 3 is fixed to the seating portion 21 of the seat frame 2. That is, the linear fastener 32F of the seat skin 32 is opened, the divided surfaces 313 and 313 of the tubular cushion member 31 are separated from each other, and the tubular cushion member 31 is deformed into a substantially C-shaped cross section to form the seating portion 21. The inner wall surface 311 of the tubular cushion member 31 is fitted to the outer wall surface 211. Then, the planar fastener 36 of the tubular cushion member 31 and the planar fastener 35 of the seating portion 21 are engaged with each other to fix the seat cushion 3 to the seating portion 21 of the seat frame 2.

Further, in a state where the protrusion 51a of the back cushion 4 is fitted with the fitting hole 52a formed in the side structure wall 11, the fixing means 6 (plane fasteners 61, 62) are engaged with each other to engage the back. The sliding cushion 4 is fixed to the side structure wall 11. That is, when the back cushion 4 is fixed to the side structure wall 11, the variation in the fixing position of the back cushion 4 with respect to the side structure wall 11 can be reduced by fitting the protrusion 51a into the fitting hole 52a in advance. The back cushions 4 can be arranged next to each other with high positional accuracy for each seat unit.

<Various variants of long seats for this railway vehicle>
Next, various modifications of the long seat for the railway vehicle will be described with reference to FIGS. 4, 7 to 9. FIG. 4 shows a modified example of the detailed cross-sectional view of part B shown in FIG. FIG. 7 shows a modified example of the DD cross-sectional view shown in FIG. FIG. 8 shows a schematic perspective view of a modified example of the long seat for a railway vehicle shown in FIG. FIG. 9 shows a modified example of the C arrow view (front view) shown in FIG. The configuration common to the above-mentioned long seat 10 for railway vehicles is designated by a common reference numeral, and the description thereof will be omitted.

(Modification example of seat frame and seat cushion)
As described above, the seating portion 21 of the seat frame 2 and the tubular cushion member 31 are fixed via a pair of planar fasteners 35 and 36 formed in a band shape (see FIG. 3). However, the means for fixing the tubular cushion member 31 to the seating portion 21 is not necessarily limited to the configuration shown in FIG. For example, as shown in FIG. 4, the outer wall surface 211 of the seating portion 21 in the seat frame 2B is formed with anti-rotation protrusions 21b that stand outward along the longitudinal direction, and the inner wall surface 311 of the tubular cushion member 31B is formed. May be formed with an engaging groove 311b that engages with the anti-rotation projection 21b. In this case, by engaging the engaging groove 311b of the tubular cushion member 31B with the anti-rotation protrusion 21b of the seat frame 2B, the rotation of the seat cushion 3B with respect to the seat frame 2B in the circumferential direction can be easily prevented. .. In this case, the planar fastener 35 of the seating portion 21 and the planar fastener 36 of the tubular cushion member 31 can be omitted. It is preferable that the anti-rotation protrusion 21b is formed at a position different from that on the seating side, similarly to the divided surfaces 313 and 313.

(Modified example of positioning means for back cushion)
Further, as described above, as the positioning means 5 (51, 52) between the back cushion 4 and the side structure wall 11, the back support plate 43 of the back cushion 4 is formed on the side structure wall 11. The fitting hole 52a (engaged means 52) and the protrusion 51a (engaging means 51) to be fitted are fixed (see FIG. 6). However, the positioning means 5 (51, 52) of the back cushion 4 is not necessarily limited to the configuration shown in FIG. For example, as shown in FIG. 7, as the positioning means 5B between the back cushion 4 and the side structure wall 11, the engaging means 51 is formed from the concave buttons 51b formed on the left and right end portions of the back back rest plate 43. Therefore, the engaged means 52 may be composed of a convex button 52b formed on the side structure wall 11 and fitted to the concave button 51b.

(Modified example of back cushion)
Further, as described above, the back cushion 4 is fixed to the side wall 11 below the window frame 81 contouring the window member 8. Further, the back cushion 4 is formed in a horizontally long rectangular shape in a front view (viewed by arrow C in FIG. 2) (see FIG. 1). However, the arrangement and shape of the back cushion 4 is not necessarily limited to the configuration shown in FIG. For example, as shown in FIG. 8, the back cushion 4B1 arranged above the back cushion 4 fixed below the window frame 81, or the vertically long length extending from the lower side of the window frame 81 to the middle of the window frame. The back cushion 4B2 formed in a rectangular shape may be used. This is because the backrest is easy for a tall seated person. Further, as shown in FIG. 9, the back cushion 4C1 arranged below the window frame 81 and the back cushion 4C2 arranged in the middle of the window frame 81 may be arranged in two upper and lower stages. This is because the backrest is easy for both a short seated person and a tall seated person.

(Modification example of seat frame)
Further, as described above, the seat frame 2 is made of, for example, an aluminum-based pipe member, and has a seating portion 21 formed linearly in the front-rear direction and directed toward the side structure wall 11 at the front end or the rear end of the seating portion 21. It is provided with a connecting portion 22 extending in a substantially L shape, and is connected to the side structure 1 via a connecting plate 221 connected to the connecting portion 22 (see FIGS. 1 and 5). However, the shape of the connecting portion 22 of the seat frame 2 is not necessarily limited to the shapes shown in FIGS. 1 and 5. As shown in FIG. 9, the seat frame 2C is composed of one aluminum-based pipe member, and a plurality of seating portions 21 formed linearly in the front-rear direction are continuously formed and are positioned in the middle of the front-rear direction. A connecting portion 22C extending in a substantially T shape toward the side structure wall 11 at the front end or the rear end of the seating portion 21 is provided, and the side structure 1 and the side structure 1 are provided via a connecting plate 221C connected to the connecting portion 22C. It may be connected. In this case, the structure of the seat frame 2 can be simplified, the distance between the adjacent seat cushions 3 can be narrowed, and more passengers can be seated.
Although various modifications of the long seat for railway vehicles have been described above, it goes without saying that various modifications other than the above modifications are possible unless the gist of the present invention is changed.

<Effect>
According to the railroad vehicle long seat 10 according to the present embodiment described in detail above, the seat frames 2, 2B and 2C protruding from the side structure wall 11 toward the room side by a certain amount and fixed to the side structure 1 It is provided with a back cushion 4 fixed to the side structure wall 11 above the seating portions 21 of the seat frames 2, 2B and 2C, and the seating portion 21 has a required length for a plurality of people to sit side by side for a hip rest. Since it is extended to, the seating space can be reduced and the number of passengers can be increased, and the production and assembly of the seat frames 2, 2B and 2C can be simplified, which also contributes to weight reduction. Further, a back cushion 4 fixed to the side structure wall 11 above the seating portions 21 of the seat frames 2, 2B and 2C is provided, and the back cushion 4 is formed for each seat unit. The back cushion 4 can be made smaller and lighter, and the seat cushion M can be used as a mark to clearly recognize the position of each seat unit, so that the maximum number of seats can be reliably seated. ..

Therefore, according to the present embodiment, the number of passengers can be increased, the seater M can clearly recognize the position of each seat unit, the capacity can be reliably seated, and the weight can be easily reduced. Therefore, it is possible to provide long seats 10, 10B and 10C for railway vehicles that can reduce the labor required for assembly and production.

Further, according to the present embodiment, the seating portion 21 is provided with seat cushions 3 and 3B, and the seat cushions 3 and 3B are extended to a required length for a plurality of people to sit side by side. It is not necessary to divide the cushions 3 and 3B into a plurality of parts, the production and assembly of the seat cushions 3 and 3B can be simplified, and the cost can be reduced.

Further, according to the present embodiment, the seat cushions 3 and 3B include a tubular cushion member 31 and 31B detachably formed on the seating portion 21, and a seat skin 32 covering the tubular cushion member 31 and 31B. The tubular cushion members 31 and 31B are divided along the axial direction from one end 311a of the inner wall surface 311 of the tubular cushion members 31 and 31B to the other end 312a of the opposite outer wall surface 312. The surfaces 313 and 313 are formed at positions different from those on the seating side, and the seat skin 32 is equipped with a linear fastener 32F that engages and disengages along the boundary line between the divided surfaces 313 and 313. The seat cushions 3 and 3B can be easily attached to and detached from the seating portions 21 of the seat frames 2, 2B and 2C by separating the divided surfaces 313 and 313 of the tubular cushion members 31 and 31B. Therefore, it is possible to reduce the time and effort required for assembling and replacing the seat cushions 3 and 3B with respect to the seat frames 2, 2B and 2C, which leads to cost reduction.

Further, according to the present embodiment, the seating portion 21 is formed with the anti-rotation protrusion 21b that stands outward along the longitudinal direction at a position different from the seating side, and the inner wall surface 311 of the tubular cushion member 31B is formed. Since the engagement groove 311b that engages with the anti-rotation protrusion 21b is formed, the engagement groove 311b of the tubular cushion member 31B is engaged with the anti-rotation projection 21b of the seating portion 21 to engage the seat frame 2B. The rotation of the seat cushion 3B in the circumferential direction can be easily prevented. Therefore, the seater M can sit stably on the seat cushion 3B while reducing the time and effort required for assembling the seat cushion 3B to the seat frame 2B.

Further, according to the present embodiment, the back cushion 4 is fixed to the back cushion 41, the back cushion member 42 coated on the back skin 41, and the back surface of the back cushion member 42. In addition to the fixing means 6 (61) provided with the back cushion back plate 43 and fixed to the side structure wall 11, the engagement means 51 is formed on the back cushion 43, and the side structure wall 11 is provided with the engaging means 51. Since the engaged means 52 that engages with the engaging means 51 is formed, the engaging means 51 is engaged with the engaged means 52 in advance when the back cushion 4 is fixed to the side structure wall 11. As a result, it is possible to reduce the variation in the fixed position of the back cushion 4 with respect to the side structure wall 11. Therefore, the accuracy of arrangement and the appearance of the back cushion 4 arranged on the side wall 11 can be improved, and the back cushion 4 can be assembled or replaced with respect to the side wall 11. This time and effort can be reduced, leading to cost reduction.

Further, according to the present embodiment, the engaging means 51 includes protrusions 51a or concave buttons 51b formed on the left and right side ends of the backrest backing plate 43, and the engaged means 52 is a side structure wall. Since it is composed of a fitting hole 52a formed in 11 and a convex button 52b fitted in the concave button 51b or a convex button 52b into which the protrusion 51a is fitted, the protrusion 51a or the concave button is formed on the left and right end portions of the backrest backing plate 43. With a simple structure in which 51b is provided and a fitting hole 52a in which the protrusion 51a is fitted in the side structure wall 11 or a convex button 52b fitted in the concave button 51b is provided, a back cushion with respect to the side structure wall 11 is provided. The position accuracy of 4 can be further improved. Therefore, the labor required for assembling or replacing the back cushion 4 with respect to the side structure wall 11 can be reduced with a simple structure, which can lead to further cost reduction.

Further, according to the present embodiment, the seat cushions 3 and 3B are formed to have a seat length for two people, and the seat frames 2, 2B and 2C are connected to the side structure wall 11 at the front end or the rear end of the seating portion 21. Since the connecting portions 22 and 22C extending in a substantially L-shape or a substantially T-shape are provided and connected to the side structure 1 by the connecting portions 22 and 22C, the seater M is the seat cushion 3. When seated on 3B, the connecting portions 22 and 22C of the seat frames 2, 2B and 2C extending in a substantially L-shape or a substantially T-shape can be gripped at the front end or the rear end of the seating portion 21. Therefore, while simplifying the support structure of the seat frames 2, 2B, and 2C with respect to the side structure 1, the seating posture of the seated person M can be stably maintained even when the vehicle slightly swings back and forth and left and right during traveling. ..

Further, according to the present embodiment, since the plate-shaped heater device 72 is mounted below the seat cushions 3 and 3B on the side structure wall 11, the space below the seat cushions 3 and 3B is effectively utilized. While doing so, when the seated person M sits on the seat cushions 3 and 3B, the feet of the seated person M can be efficiently heated.

The present invention is mainly installed horizontally along the side internal wall of a railway vehicle such as a commuter train, as a long seat for a railway vehicle on which a plurality of people can sit side by side, or along the inner wall of a vehicle body of a bus or other vehicle. It is installed horizontally and can be used as a long seat for vehicles on which multiple people can sit side by side.

1 Side structure 1A Structure 2, 2B, 2C Seat frame 3, 3B Seat cushion 4 Back cushion 5 Positioning means 6 Fixing means 10, 10B, 10C Long seat for railroad vehicle 11 Side structure wall 12 Body skin 13 Reinforcing bone 14 frame Receiving member 15 Spacer member 20 Railroad vehicle 21 Seating part 21b Anti-rotation protrusion 22, 22C Connecting part 31 Cylindrical cushion member 32 Seat skin 32F Linear fastener 41 Backrest skin 42 Backrest cushion member 43 Backrest backing plate 51 Engagement Means 51a Protrusion 51b Concave button 52 Engagement means 52a Fitting hole 52b Convex button 211 Outer wall surface 72 Heater device 311 Inner wall surface 311a One end 311b Engagement groove 312 Outer wall surface 312a Other end 313 Dividing surface

Claims (8)

A long seat for railroad vehicles that is installed horizontally along the side wall of a railroad vehicle and allows multiple people to sit side by side.
A pipe-shaped seat frame that protrudes from the side structure wall to the inside of the room by a certain amount and is fixed to the side structure, and a cylindrical shape that is attached to the outer peripheral surface of the seating portion that extends linearly in the front-rear direction of the seat frame. A seat cushion and a back cushion fixed to the side body wall above the seat cushion.
The seating section is extended to the required length for multiple people to sit side by side for the hip rest.
The back cushion is a long seat for a railway vehicle, which is formed for each seat unit and is fixed to the side building wall apart from the seat cushion. In the long seat for railway vehicles according to claim 1 ,
The seat cushion is a long seat for railway vehicles, which is extended to a required length for a plurality of people to sit side by side. In the long seat for railway vehicles according to claim 2.
The seat cushion includes a tubular cushion member detachably formed on the seating portion and a seat skin covering the tubular cushion member.
In the tubular cushion member, a pair of divided surfaces divided along the longitudinal direction from one end of the inner wall surface of the tubular cushion member to the other end of the facing outer wall surface are formed at positions different from the seating side. A long seat for railroad vehicles, characterized in that a linear fastener that engages and disengages along a boundary line between the divided surfaces is attached to the seat skin. In the long seat for railway vehicles according to claim 3,
The seating portion is formed with anti-rotation protrusions that stand outward along the longitudinal direction at positions different from those on the seating side, and the inner wall surface of the tubular cushion member is engaged with the anti-rotation projections. A long seat for railway vehicles characterized by the formation of grooves. In the long seat for railway vehicles according to any one of claims 1 to 4.
The back cushion includes a back cushion, a back cushion member covered with the back skin, and a back backing plate fixed to the back surface of the back cushion member.
An engaging means is formed on the backrest backing plate in addition to the fixing means for fixing to the side structure wall, and an engaged means for engaging with the side structure wall is formed on the side structure wall. A long seat for railway vehicles that is characterized by being used. In the long seat for railway vehicles according to claim 5.
The engaging means comprises protrusions or concave buttons formed on the left and right end portions of the backrest backing plate, and the engaged means is formed on the side structure wall and the protrusions are fitted. A long seat for a railway vehicle, which comprises a fitting hole or a convex button fitted into the concave button. In the long seat for railway vehicles according to any one of claims 1 to 6.
The seat cushion is formed to have a seat length for two people, and the seat frame is extended in a substantially L-shape or a substantially T-shape toward the side body wall at the front end or the rear end of the seating portion. A long seat for railroad vehicles, which is provided with a connecting portion and is connected to a side structure at the connecting portion. In the long seat for railway vehicles according to any one of claims 1 to 7.
A long seat for a railway vehicle, characterized in that a plate-shaped heater device is mounted below the seat cushion on the side wall.

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