JPH11217075A - Fixed chair for electric railcar - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the execution and repair of a fixed chair for electric railcars and reduce costs. SOLUTION: A pad support frame 4 of a chair seat comprises an outer frame 6 and a wave plate 11 which is attached to the outer frame 6 in such a way that the front and rear edges of the wave plate 11 are fitted into the grooves of the front frame 6a and the rear frame 6b of the outer frame 6, dispensing with welding and lightening itself. The pad support frame 4 of the chair seat is provided with a back plate supported by the wave plate 11 so that the peripheral edge of an armoring sheet is pulled and stopped by the back plate, and the pad independent of the pad support frame 4 is detachably attached onto the pad support frame 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixed chair for a train, and more particularly, to a chair for reducing costs and facilitating construction and repair of a seat.

[0002]

2. Description of the Related Art As shown in FIG. 8, a fixed chair for a train is provided with a seat 2 and a backrest 3 on a base 1.
The seat 2 has a pad support frame 4 and a pad 5, and the two are integrated. The pad support frame 4 of the seat 2 is formed by welding an outer frame 6 with a support to the base 1 by welding, and further welding a steel plate 7 to the inside of the outer frame 6. . The pad 5 is composed of a cushioning filler material (polyurethane foam, polyester cotton, a nonwoven fabric laminate or the like) 8 and an exterior sheet 9. The filler 8 of the pad 5 is spread on the seat plate 7 of the pad support frame 4, and the outside thereof is covered with an exterior sheet 9 (this is generally a moquette), and the periphery of the exterior sheet 9 is gripper (not shown) or the like. To fix to the pad support frame 4. The seat 2 of the conventional chair is made as described above. Although the figure shows a chaise lounge, a fixed chair for one person is also an object of the present invention.

[0003]

The conventional fixed chair is:
Since the pad support frame of the seat is a welded structure, it takes a great deal of time to weld the support frame and to remove distortion during welding.
In addition, since the weight of the frame is large, it takes time to install the pad support frame on the base 1.

Further, since the pad and the pad support frame are integrated with the base, it is necessary to assemble the pad at a site where workability is poor (in a vehicle), which increases the production cost and increases the chair. Will be expensive.

Further, in the pad of the seat, especially the so-called settling of the filler is apt to progress, and if the outer sheet is loosened, stained, or worn away due to the settling, the appearance of the chair deteriorates. Repair and replacement of the exterior sheet are required, but in the conventional fixed chair where the pad is integrated with the pad support frame, the repair,
Replacing is not easy.

An object of the present invention is to solve the above-mentioned problems.

[0007]

In order to solve the above-mentioned problems, according to the present invention, a pad support frame of a seat is provided on a base, and an outer frame having a substantially rectangular shape in plan view and a wave provided inside the outer frame. The front frame and the rear frame are formed of a channel material, and the grooves of both frames are opposed to each other. The grooves of the front frame and the rear frame are corrugated in the longitudinal direction of the chair. The corrugated sheet is fitted to the outer frame by fitting the front and rear edges of the corrugated sheet, and furthermore, the pad of the seat is provided with a back plate supported by the corrugated sheet, and the back plate stops the peripheral edge of the outer sheet of the pad. Further, a structure is employed in which the pad of the seat is detachably mounted on the pad support frame by a locking tool provided corresponding to the back plate and the pad support frame.

The pad support frame of the seat may have a net on the inside of the upper surface of the exterior. In this case, the front and rear frames of the exterior may be frames without grooves.

The peripheral edge of the pad outer sheet is stopped by the pad supporting frame, not by the above-mentioned back plate, and the pad supporting frame is detachably mounted on the base with a connecting tool such as a bolt. Can also achieve the object of the invention.

[0010]

In the conventional pad support frame of the fixed chair, the outer peripheral edge of the seat plate has to be welded to the outer frame in order to prevent the bending of the steel seat plate. Since the pad support frame is formed of a pad receiving seat with a corrugated sheet and the front and rear edges of the corrugated sheet are fitted into the grooves of the outer frame to support the corrugated sheet,
No welding is required, which complicates production. Also, unlike a flat plate, this corrugated plate can obtain a reinforcing effect by corrugation.

As a result, the thickness of the corrugated sheet can be reduced as compared with a conventional steel sheet requiring a weldable thickness, and the weight of the pad support frame can be reduced.

A pad support frame using a net instead of a corrugated plate does not require welding, and the net is lighter than the corrugated plate, so that the production can be facilitated and the weight can be reduced as in the former case.

The reason why the pad can be supported by a corrugated plate or a net is that the pad is provided with a back plate that functions as a seat.

With the back plate, the pad outer sheet can be held down by the back plate to make the pad independent of the pad support frame. By detachably attaching the independent pads to the pad support frame in this manner, the pads can be assembled in advance at the factory, facilitating the construction of the chair, repairing the padding of the pad, Replacing the exterior sheet can be easily performed by removing the pad.

The pad supporting frame used in the present invention is:
Since the weight is reduced, the entire seat, including the pad support frame, can be assembled in a factory, and then it can be carried to the site and installed on the base. In this type of chair, the pad support frame is detachably attached to the base to facilitate repair and the like. In addition, the outer sheet of the pad can be stopped by the back plate of the pad as in the former, but when the outer sheet is stopped by the pad support frame, the connection between the pad and the pad support frame is made by the outer sheet, so that the connection is troublesome. Can be omitted.

[0016]

1 and 2 show an embodiment of a chair according to the present invention. The fixed chair for a train is provided with a seat 2 and a backrest 3 on a base 1 installed in the vehicle. The seat 2 is obtained by improving the pad support frame 4 and the pad 5.

The pad support frame 4 employs the one shown in FIG. 3 or FIG. 4, and the pad 5 employs the one having the back plate 10.

The pad support frame 4 shown in FIG.
a, a rear frame 6b parallel thereto, and an outer frame 6 composed of side frames 6c, 6d connecting both ends of the frames.
And a corrugated plate 11 attached thereto.

The front frame 6a and the rear frame 6b are formed of a channel material having a substantially U-shaped cross section (see FIG. 3 (b)). The front and rear edges of 11 are fitted. The corrugated plate 11 is made to wave in the longitudinal direction of the chair. When the front frame 6a and the rear frame 6b are connected by the side frames 6c and 6d after the corrugated plate 11 is fitted, the corrugated plate 11 is prevented from coming off. The connection between the front and rear frames 6a and 6b and the side frames 6c and 6d may be performed by riveting, or may be performed by other known fixing methods. Alternatively, the corrugated plate 11 may be fixed to the front and rear frames 6a and 6b at appropriate locations using rivets or the like.

Reference numeral 6e in FIG. 3B denotes a channel material fitted inside the front frame 6a. Although the front frame 6a is reinforced by the fitting of the channel material 6e, the channel material 6e is not an essential element.

In addition, the corrugated plate 11 is preferably an illustrated rectangular corrugated plate having a large support surface area. Of course, a wave having a curved surface can also be used.

The pad support frame 4 shown in FIG.
Instead, a net 12 is stretched inside the outer frame 6. The net 12 is formed by alternately staggering metal wires or twisted strings of high-tensile fibers, which are unlikely to be stretched, on locking portions 13 (shown as cut-and-raised claws) provided on the front and rear frames 6a and 6b at a constant pitch. It is made. In the case of this structure, the material of the frames 6a and 6b is not limited to the channel material.

The pad 5 is, as shown in FIG.
It is made by placing a cushioning filler material 8 on the top and wrapping the outside with an exterior sheet 9. Although the exterior sheet 9 is in close contact with the filler 8, the two are separated from each other for easy viewing. The peripheral edge of the exterior sheet 9 is detachably attached to the back surface of the back plate 10 with a strong hook-and-loop fastener 14 (the pad of the backrest can have the same structure).

The pad 5 shown in FIG. 5 is mounted on a pad support frame using a suitable locking tool. FIG. 6 is an example of a locking tool provided corresponding to the pad and the pad support frame. 15 in FIG.
Is a plug-in type locking device, and 16 is a drop-in type locking device. When the back plate 10 shown in FIG. 5 is locked to the pad support frame 4 shown in FIGS. 5 can be attached and detached. In this case, the pad support frame 4 can be fixed to the base 1 shown in FIG.

FIG. 7 shows an example in which the peripheral edge of the exterior sheet 9 is attached to the pad support frame 4 with a hook-and-loop fastener or the like. In this case, since the pad support frame 4 and the pad 5 are integrated by the exterior sheet 9 and the seat 2 is integrated, the pad support frame 4 is made detachable from the base 1. The pad support frame 4 is attached to the base 1 by, for example, locking the rear portion of the support frame 4 to the base 1 with a plug-in type stopper 15 as shown in FIG.
Flange 17 provided at the front end of base 1 at the front of support frame 4
It can be done by a method such as bolting.

[0026]

As described above, in the fixed chair for a train according to the present invention, the back plate is included in the pad, and the back plate is received by the corrugated plate or the net attached to the pad support frame. Welding and assembly are not required, and the entire seat or pad is detachably mounted independently of the base, so that it can be removed and repaired. Can be assembled in advance, facilitating construction of the seat, easy repair, and cost reduction.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an entire fixed chair for a train according to the present invention.

FIG. 2 is a side view of the chair.

3A is a perspective view showing an example of a pad support frame of a seat seat; FIG. 3B is an enlarged cross-sectional view taken along the line XX of the above; FIG. 3C is an enlarged cross-sectional view taken along the line YY of the same;

FIG. 4 is a perspective view showing another example of the pad support frame of the seat.

FIG. 5 is a cross-sectional view showing an example of a pad for a seat.

FIG. 6 is a perspective view showing an example of a locking device.

FIG. 7 is a partially cutaway side view of a seat having an integrated pad and pad support frame.

FIG. 8 is a partially broken side view of a conventional chair.

[Description of Signs] 1 Base 2 Seat 3 Backrest 4 Pad support frame 5 Pad 6 Outer frame 6a Front frame 6b Rear frame 6c, 6d Side frame 6e Channel material 7 Seat plate 8 Filler 9 Exterior sheet 10 Back plate DESCRIPTION OF SYMBOLS 11 Corrugated plate 12 Net 13 Locking part 14 Surface fastener 15 Plug-in locking tool 16 Drop-down locking tool 17 Flange

Claims (4)

[Claims] 1. A pad support frame for a seat on a base provided on a base comprises an outer frame having a substantially rectangular shape in a plan view and a corrugated plate provided inside the outer frame. The outer frame includes a front frame and a rear frame arranged in parallel. The frame is formed of a channel material, the grooves of both frames are opposed to each other, and the front and rear edges of the corrugated sheet wavy in the longitudinal direction of the chair are fitted into the grooves of the front frame and the rear frame, and the corrugated sheet is formed as an outer frame Attached to the pad of the seat and further provided with a back plate supported by the corrugated sheet, the back plate stops the peripheral edge of the outer sheet of the pad, and is provided with a locking tool provided corresponding to the back plate and the pad support frame. A fixed chair for trains where the pad of the seat is detachably mounted on the pad support frame. 2. A pad support frame of a seat seat provided on a base, comprising an outer frame having a rectangular shape in plan view and a net extending inside the upper surface of the outer frame, and a back supported by the pad of the seat seat by the net. A fixed chair for a train, comprising a plate, and a pad for a seat seat which is detachably mounted on the pad support frame with a fixing tool provided corresponding to the back plate and the pad support frame. 3. A pad support frame of a seat on a base provided on a base comprises an outer frame having a substantially rectangular shape in a plan view and a corrugated plate provided inside the outer frame, wherein the outer frame is provided with a front frame and a rear frame arranged in parallel. The frame is formed of a channel material, the grooves of both frames are opposed to each other, and the front and rear edges of the corrugated sheet wavy in the longitudinal direction of the chair are fitted into the grooves of the front frame and the rear frame, and the corrugated sheet is formed as an outer frame The pad of the seat is further provided with a back plate supported by the corrugated sheet, the peripheral edge of the outer sheet of the pad is stopped by the pad support frame, and the pad support frame is detachably mounted on the base with a connector. Fixed chair for trains attached to 4. A pad support frame for a seat seat provided on a base, comprising a rectangular outer frame in a plan view and a net extending inside the upper surface of the outer frame. A fixed chair for a train, comprising a plate, a peripheral edge of an exterior sheet of the pad is stopped by the pad support frame, and the pad support frame is detachably mounted on a base with a connector.