Railway vehicle and handrail with handrail attachment

Abstract

To provide a railway vehicle with hangers and hanger hand rods which shortens times to fix the hanger to the hanger hand rod and has an enough strength, and to provide a hand rod with a hanger.SOLUTION: In a railway vehicle which has a roof body structure 100 provided with hanger hand rods 10 from which hangers 50 are plurally suspended and are installed for passengers to grasp the hangers, the hanger hand rods 10 have peak T-shaped libs 19 continuously formed on the top of the cylindrical shape, long holes for hangers 14 are formed in a vertical part 12 of the T-shaped libs 19 and the hangers 50 are arranged on the long holes for hangers 14.SELECTED DRAWING: Figure 4

Description

Technical Field

[0001] The present invention relates to a railway vehicle in which a handrail bar with a plurality of handrails for passengers to grasp by hand is attached to a roof structure, and a handrail bar with a handrail.

Background Art

[0002] Conventionally, a railway vehicle in which a handrail bar with a plurality of handrails for passengers to grasp by hand is attached to a roof structure has been widely used as a commuter railway vehicle. At the time of an emergency stop, passengers are subjected to the acceleration due to the stop and pull the handrails in the same direction, so it is assumed that a large load is applied to the handrail bar. Therefore, a stainless steel hollow pipe is used.

[0003] On the other hand, as shown in FIG. 4 of Patent Document 1, a mounting member having a hat-shaped cross section is screwed to the top of the pipe, and the suspension string of the handrail is passed through the space formed by the hat shape and the top of the stainless steel pipe to position the handrail in the longitudinal direction of the handrail bar. In addition, Patent Document 2 proposes a method of fixing the suspension string of the handrail using the hollow portion of the pipe.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0005] However, the conventional handrail bar with a handrail has the following problems. That is, in the handle and handle bar shown in Patent Document 1, since the hat-shaped attachment member is screwed to the top of the stainless steel pipe, there are many operations such as screw hole processing and tapping, and there is a problem that a long working process is required to attach the handle to the handle bar. In particular, it took time to drill a hole in the top of the stainless steel pipe. Also, in Patent Document 2, the pipe with the handle attached had to be manufactured separately, and as a total time, there was a problem that a working process longer than the above working process was required.

[0006] An object of the present invention is to solve the above problems, shorten the time for attaching a handle to a handle bar, and provide a railway vehicle having a handle and a handle bar with sufficient strength, and a handle bar with a handle.

Means for Solving the Problems

[0007] In order to solve the above problems, the railway vehicle of the present invention has the following configuration. (1) In a railway vehicle in which a handle bar with a plurality of handles for passengers to grasp by hand is attached to a roof structure, the handle bar has a continuously formed T-shaped rib on the cylindrical top, and a long hole is formed in the vertical part of the T-shaped rib, and the handle is attached to the long hole.

[0008] (2) In the railway vehicle according to (1), the handle bar is an extruded shape formed by extruding a light alloy. The light alloy includes at least aluminum alloy, magnesium alloy, lithium-aluminum alloy, etc. (3) In the railway vehicle according to (1) or (2), the upper surface of the horizontal part of the T-shaped rib is formed in an arc shape, and both end faces of the horizontal part are rounded.

[0009] In order to solve the above problems, the handle bar with a handle of the present invention has the following configuration. (4) In a handrail bar with a plurality of hanging handles for passengers to grasp by hand, and a handrail bar with a hanging handle attached to the handrail bar, the handrail bar is characterized in that a continuous T-shaped rib is formed on the cylindrical top portion, a long hole is formed in the vertical portion of the T-shaped rib, and the hanging handle is attached to the long hole.

[0010] The railway vehicle and the handrail bar with a hanging handle having the above configuration have the following functions and effects. (1) In a railway vehicle in which a handrail bar with a plurality of hanging handles for passengers to grasp by hand is attached to a roof structure, the handrail bar is characterized in that a continuous T-shaped rib is formed on the cylindrical top portion, a long hole is formed in the vertical portion of the T-shaped rib, and the hanging handle is attached to the long hole. Therefore, by simply processing a long hole in the vertical portion of the T-shaped rib, a hole for attaching the hanging string of the hanging handle can be secured, and there is no need for processing a screw hole. Thus, the time required for the work process of attaching the hanging handle to the handrail bar can be shortened, and cost reduction can be achieved. In particular, conventionally, drilling was required at the top of a stainless steel pipe, but in the present invention, only long hole processing is performed on the vertical portion having a flat plate shape, so the workability is good. Also, even when the handrail bar is made of, for example, an aluminum alloy, since the continuous T-shaped rib receives the load applied to the handrail bar during an emergency stop, there is no fear that the handrail bar will bend or break.

[0011] (2) In the railway vehicle described in (1), the handrail bar is an extruded profile formed by extruding a light alloy. Therefore, since the handrail bar can be obtained as an extruded profile, afterwards, it only needs to be cut to the required length and a long hole is processed at the required location for attaching the hanging handle. Thus, the time required for the work process of attaching the hanging handle to the handrail bar can be shortened, and cost reduction can be achieved. Also, it is possible to extrude a handrail bar with the required length from the beginning.

[0012] (3) In the railway vehicle described in (1) or (2), the horizontal part of the T-shaped rib is formed in an arc shape, and both end faces of the horizontal part are rounded. When there is a case where passengers directly grasp the part of the hanging bar where the hanging handle is not attached by hand. At this time, because of the T-shaped rib, the possibility of slipping when grasped by hand can be reduced compared to a normal round pipe. Also, due to the presence of the T-shaped rib, the width is widened, so it is easy to grasp by hand. And since the upper surface of the horizontal part of the T-shaped rib is arc-shaped, it is easy to grasp by hand, fits well in the palm of the hand, and the palm of the hand does not hurt. Also, since both ends of the horizontal part of the T-shaped rib are rounded, when a passenger grasps the hanging bar by hand, the palm of the hand does not hurt.

[0013] (4) In a hanging bar with a plurality of hanging handles suspended and attached for passengers to grasp by hand, and a hanging bar with a hanging handle attached to the hanging bar, the hanging bar has a continuously formed T-shaped rib on the top of the cylindrical shape, and a long hole is formed in the vertical part of the T-shaped rib, and the hanging handle is attached to the long hole. Therefore, by simply processing a long hole in the vertical part of the T-shaped rib, a hole for attaching the hanging string of the hanging handle can be secured, and since there is no need to process a screw hole, the time required for the work process of attaching the hanging handle to the hanging bar can be shortened, and cost reduction can be achieved. Also, even when the hanging bar is made of, for example, an aluminum alloy, since the continuously formed T-shaped rib receives the load applied to the hanging bar during an emergency stop, there is no fear of the hanging bar bending or breaking. When there is a case where passengers directly grasp the part of the hanging bar where the hanging handle is not attached by hand. At this time, because of the T-shaped rib, the possibility of slipping when grasped by hand can be reduced compared to a normal round pipe. Also, due to the presence of the T-shaped rib, the width is widened, so it is easy to grasp by hand. And since the upper surface of the horizontal part of the T-shaped rib is arc-shaped, it is easy to grasp by hand, fits well in the palm of the hand, and the palm of the hand does not hurt.

Brief Description of the Drawings

[0014]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Embodiments for Carrying Out the Invention

[0015] Embodiments of the railway vehicle and the hanging bar with a hanging strap of the present invention will be described in detail with reference to the drawings. FIG. 6 shows a partial sectional view of a railway vehicle for commuting. In the sectional view, descriptions such as windows and seats are omitted, and only the hanging strap and hanging bar relationships are shown. An inner ceiling bone 101 is attached to the lower surface of the roof structure 100. Inner ceiling bone To the inner ceiling bone 101, a hanging bar attachment member 20 for attaching the hanging bar 10 to the inner ceiling bone 101 is attached. The hanging bar 10 has a plurality of objects about 3 m long connected and is held penetrating in the rail direction inside the railway vehicle. To the hanging bar 10, a short hanging strap 40 and a long hanging strap 50 of the hanging strap are suspended and attached. The hanging strap 40 is provided at the position of the door 102 so as not to interfere with the boarding and alighting of passengers.

[0016] Next, the hanging bar 10 will be described in detail. FIG. 1 shows a front view of the hanging bar 10, FIG. 2 shows an enlarged view of part A in FIG. 1, and FIG. 3 shows a common sectional view of the BB section and the B'B' section in FIG. 2. In FIG. 3, the joint member 16 shown by the two-dot chain line is only in the B'B' section and does not exist in the BB section. The hanging rod 10 is an extruded profile made of an aluminum alloy by extrusion molding. As shown in Fig. 3, the cross-section of the hanging rod 10 has a vertical portion 12 formed vertically at the top of a cylindrical pipe 11, and a horizontal portion 13 formed horizontally at the upper part of the vertical portion 12. The upper surface 13c of the horizontal portion 13 is arc-shaped, and both ends 13a and 13b of the horizontal portion 13 are formed in a rounded shape. The vertical portion 12 and the horizontal portion 13 constitute a T-shaped rib 19. In this embodiment, the radius of curvature of the arc shape of the upper surface 13c is substantially the same as the radius of curvature of the cylindrical pipe 11, but it may be one-half or more of the radius of curvature of the pipe in consideration of ease of gripping. Also, the rounded shape of both ends 13a and 13b of the horizontal portion 13 is set to approximately one-half of the plate thickness of that portion, but a flat portion may be present in the middle as long as it smoothly connects from the arc shape of the upper surface to the back surface of the horizontal portion. Furthermore, the arc shape of the upper surface and the rounded shape of both ends may be formed with a single radius of curvature, or may be formed by smoothly connecting a plurality of radii of curvature.

[0017] As shown in Fig. 2, a notch portion 18 in which the T-shaped rib 19 is cut out is formed at the end of the hanging rod 10. The notch portion 18 is for attaching a joint pipe for connecting to another hanging rod 10. On the inner circumference of the pipe 11, a thick portion 11a is formed at the top, and a thick portion 11b is formed at the bottom. The thick portion 11b is provided to ensure the length required for cutting a tap for screw attachment because the material is an aluminum alloy. The thick portion 11a is provided so that when the mounting long holes 15 for the hanging long holes 14 and the hanging rod mounting member 20 to be described later are cut by a router, sufficient thickness remains even if excessive cutting occurs.

[0018] A cylindrical joint member 16 is mounted in the mounting long hole 15, and the joint member 16 is fixed to the pipe 11 by bolts 17. The joint member 16 is a member for reinforcing the strength of the hanging rod 10 when the hanging rod mounting member 20 is attached. The joint member 16 is, for example, a pipe-shaped member formed by mounting a split metal pipe in the mounting long hole 15. The hanging rod 10 may be formed by extrusion molding to a length of about 3 m, or may be molded to a length of about 6 m and then cut to a length of about 3 m. The reason for setting the length of the hanging rod 10 to about 3 m is to consider transportation. When it is installed in a railway vehicle, it is connected and used by a connecting pipe (not shown).

[0019] Fig. 4 shows a view of the state in which the long hanging strap 50 of the hanging strap is suspended and attached to the hanging rod 10. As shown in Figs. 1 and 2, a long hole 14 for the hanging strap is formed in the vertical portion 12 to allow the hanging straps 41 (51) of the hanging straps 40 (50) to pass through. In addition, a mounting long hole 15 is formed for attaching a joint member 16 for fixing the hanging rod 10 to the roof structure 100 via the hanging rod mounting member 20 and the ceiling inner bone 101. The cross-sectional shapes of the long hole 14 for the hanging strap and the mounting long hole 15 are the same, and are shown as a common drawing in Fig. 3. Compared with the long hole 14 for the hanging strap, the mounting long hole 15 is formed to be 1.5 to nearly 2 times as long.

[0020] Next, the hanging strap 50 will be described. Fig. 5 shows a CC cross-sectional view of Fig. 6. Fig. 5 shows the structure in which the hanging strap 50 is attached to the hanging rod 10 and then attached to the ceiling inner bone 101 by the hanging rod mounting member 20. The hanging strap 50 will be described with reference to Figs. 4 and 5. The difference between the hanging strap 40 and the hanging strap 50 is only the difference in the lengths of the hanging straps 41 and 51 and the presence or absence of the sheath 56. Therefore, the hanging strap 50 will be described here, and the description of the hanging strap 40 will be omitted. The hanging strap 51 is a belt-shaped one using a combination of synthetic resin and special woven fabric, and the circular ring 54 is a resin molded product. One end 51b of the hanging strap 51 is passed through the long hole 14 for the hanging strap, and then the hollow hole of the hollow sheath 56 is passed from top to bottom. Then, with the ring 54 enclosed, the hollow hole of the sheath 56 is passed from bottom to top again. Then, the tip 51a is in a state of overlapping with one end 51b of the hanging strap 51 and the middle portion of the hanging strap 51 to form a triple layer. The triple suspension strap 51 is coupled by a rivet 53 having a joining piece 52 and two rivet terminals 53a, 53b. That is, the rivet terminals 53a, 53b are passed through holes formed in advance at the triple-formed portion and holes formed in the joining piece 52, and the rivet terminals 53a, 53b are crushed, whereby the handle 50 is attached to the handle bar 10.

[0021] Next, the structure of the handle bar attachment member 20 for attaching the handle bar 10 to the roof structure 100 will be described with reference to FIG. 5. The handle bar attachment member 20 has a substantially U-shaped lower portion and is formed to widen toward the upper portion, and is made of aluminum casting.

[0022] On the upper side surface of the lower portion of the handle bar attachment member 20, the handle bar 10 is abutted and held with the T-shaped rib 19 as the apex. As shown in FIGS. 2 and 3, a joint member 16 is attached to a portion of the handle bar 10 where the handle bar attachment member 20 is attached. The handle bar 10 is fastened to the joint member 16 and the handle bar attachment member 20 by screws 55.

[0023] As described in detail above, according to the railway vehicle of the present embodiment, (1) in a railway vehicle in which a handle bar 10 to which a plurality of handles 50 for a passenger to grasp by hand are suspended and attached is attached to a roof structure 100, the handle bar 10 has a continuously formed T-shaped rib 19 at the top of the cylindrical shape, a handle elongated hole 14 is formed in the vertical portion 12 of the T-shaped rib 19, and the handle 50 is attached to the handle elongated hole 14. Therefore, by simply processing a long hole in the vertical portion 12 of the T-shaped rib 19, a handle elongated hole 14 for attaching the suspension string 51 of the handle 50 can be secured, and since there is no need to process a screw hole, the time required for the work process of attaching the handle 50 to the handle bar 10 can be shortened, and cost reduction can be achieved. Further, even when the handle bar 10 is made of, for example, an aluminum alloy, since the continuously formed T-shaped rib 19 receives the load applied to the handle bar at the time of emergency stop, there is no fear that the handle bar will bend or break.

[0024] (2) In the railway vehicle described in (1), the handle bar 10 is an extruded profile made of a light alloy. Since the handle bar 10 can be obtained as an extruded profile, afterwards, it only needs to be cut to the required length and the handle holes 14 for attaching the handle 50 to the required locations are processed. Therefore, the time required for the work process of attaching the handle 50 to the handle bar 10 can be shortened, and cost reduction can be achieved.

[0025] (3) In the railway vehicle described in (1) or (2), the horizontal part 13 of the T-shaped rib 19 is formed in an arc shape, and both end faces 13a of the horizontal part 13 are rounded. There are cases where passengers directly grasp the part of the handle bar 10 where the handle 50 is not attached by hand. At this time, because of the T-shaped rib 19, the possibility of slipping when grasped by hand can be reduced compared to a normal round pipe. Also, because of the T-shaped rib 19, the width is widened, so it is easy to grasp by hand. And since the horizontal part 13 of the T-shaped rib 19 is arc-shaped, it is easy to grasp by hand, fits well in the palm of the hand, and the palm of the hand does not hurt. Also, since both ends of the horizontal part 13 of the T-shaped rib 19 are rounded, the palm of the hand does not hurt when grasping the handle bar 10 by hand.

[0026] (4) In a handle bar 10 with a plurality of handles 50 suspended and attached for passengers to grasp by hand and a handle bar with a handle 50 attached to the handle bar 10, the handle bar 10 has a continuously formed T-shaped rib 19 on the cylindrical top part, and handle holes 14 are formed in the vertical part 12 of the T-shaped rib 19, and the handle is attached to the handle holes 14. Since only the handle holes 14 for attaching the handle string 51 of the handle 50 can be secured by processing the handle holes 14 in the vertical part 12 of the T-shaped rib 19 and no processing of screw holes is required, the time required for the work process of attaching the handle 50 to the handle bar 10 can be shortened, and cost reduction can be achieved. Also, even when the handle bar 10 is made of, for example, an aluminum alloy, since the continuous T-shaped rib 19 receives the load applied to the handle bar 10 during an emergency stop, there is no fear of the handle bar 10 bending or breaking. In addition, there is a case where passengers directly grasp by hand the part of the hanging bar 10 where the hanging handle 50 is not attached. At this time, because of the T-shaped rib 19, the possibility of slipping when grasped by hand can be reduced compared to an ordinary round pipe. Also, due to the presence of the T-shaped rib 19, the width is widened, making it easier to grasp by hand. And since the upper surface 13c of the horizontal portion 13 of the T-shaped rib 19 is arc-shaped, it is easy to grasp by hand, conforms well to the palm of the hand, and does not cause pain in the palm.

[0027] Note that this embodiment is merely an example and does not limit the present invention in any way. Therefore, the present invention can naturally be variously improved and modified without departing from its gist. For example, in this embodiment, an aluminum alloy is used as the material of the hanging bar 10, but a magnesium alloy, a lithium-aluminum alloy, etc. may also be used. Also, both ends of the horizontal portion 13 of the T-shaped rib 19 may be extended downward. The T-shaped rib 19 includes the case where the horizontal portion 13 is extended.

Explanation of Reference Numerals

[0028] 10 Hanging bar 11 Pipe 12 Vertical portion 13 Horizontal portion 14 Long hole for hanging handle 15 Mounting long hole 19 T-shaped rib 20 Hanging bar mounting member 50 Hanging handle 100 Roof structure 101 Ceiling inner frame

Claims

1. In a railway vehicle in which a handrail bar with a plurality of handrails suspended and attached for passengers to grasp by hand is attached to a roof structure, the handrail bar has a continuously formed T-shaped rib on the cylindrical top portion, a long hole is formed in the vertical portion of the T-shaped rib, and the handrail is attached to the long hole, characterized by the railway vehicle.

2. In the railway vehicle according to Claim 1, the handrail bar is an extruded profile obtained by extrusion molding a light alloy, characterized by the railway vehicle.

3. In the railway vehicle according to Claim 1 or Claim 2, the horizontal portion of the T-shaped rib is formed in an arc shape, and both end faces of the horizontal portion are rounded, characterized by the railway vehicle.

4. In a handrail bar with a handrail having a plurality of handrails suspended and attached for passengers to grasp by hand and a handrail attached to the handrail bar, the handrail bar has a continuously formed T-shaped rib on the cylindrical top portion, a long hole is formed in the vertical portion of the T-shaped rib, and the handrail is attached to the long hole, characterized by the handrail bar with a handrail.

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